Merge remote-tracking branch 'origin/master'

.gitignore

@@ -32,6 +32,11 @@ src/CMakeFiles/*
 src/Makefile
 src/cmake_config.h
 src/cmake_install.cmake
+src/script/CMakeFiles/*
+src/script/common/CMakeFiles/*
+src/script/cpp_api/CMakeFiles/*
+src/script/lua_api/CMakeFiles/*
+src/util/CMakeFiles/*
 src/jthread/CMakeFiles/*
 src/jthread/Makefile
 src/jthread/cmake_config.h

CMakeLists.txt

@@ -133,11 +133,6 @@ endif()
 install(DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}/builtin" DESTINATION "${SHAREDIR}")
 install(DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}/client" DESTINATION "${SHAREDIR}")
 install(DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}/games/minimal" DESTINATION "${SHAREDIR}/games")
-set(COMMON_SOURCE "${CMAKE_CURRENT_SOURCE_DIR}/games/common")
-if(EXISTS ${COMMON_SOURCE} AND IS_DIRECTORY ${COMMON_SOURCE})
-	install(FILES ${COMMON_SOURCE}/README.txt DESTINATION "${SHAREDIR}/games/common/")
-	install(DIRECTORY ${COMMON_SOURCE}/mods DESTINATION "${SHAREDIR}/games/common")
-endif()
 set(MINETEST_GAME_SOURCE "${CMAKE_CURRENT_SOURCE_DIR}/games/minetest_game")
 if(EXISTS ${MINETEST_GAME_SOURCE} AND IS_DIRECTORY ${MINETEST_GAME_SOURCE})
 	install(FILES ${MINETEST_GAME_SOURCE}/game.conf DESTINATION "${SHAREDIR}/games/minetest_game/")
@@ -145,24 +140,12 @@ if(EXISTS ${MINETEST_GAME_SOURCE} AND IS_DIRECTORY ${MINETEST_GAME_SOURCE})
 	install(DIRECTORY ${MINETEST_GAME_SOURCE}/mods DESTINATION "${SHAREDIR}/games/minetest_game")
 	install(DIRECTORY ${MINETEST_GAME_SOURCE}/menu DESTINATION "${SHAREDIR}/games/minetest_game")
 endif()
-set(MINETEST_BUILD_GAME_SOURCE "${CMAKE_CURRENT_SOURCE_DIR}/games/build")
-if(EXISTS ${MINETEST_BUILD_GAME_SOURCE} AND IS_DIRECTORY ${MINETEST_BUILD_GAME_SOURCE})
-	install(FILES ${MINETEST_BUILD_GAME_SOURCE}/game.conf DESTINATION "${SHAREDIR}/games/build/")
-	install(FILES ${MINETEST_BUILD_GAME_SOURCE}/README.txt DESTINATION "${SHAREDIR}/games/build/")
-	install(DIRECTORY ${MINETEST_BUILD_GAME_SOURCE}/mods DESTINATION "${SHAREDIR}/games/build")
-endif()
-set(MINETEST_SURVIVAL_GAME_SOURCE "${CMAKE_CURRENT_SOURCE_DIR}/games/survival")
-if(EXISTS ${MINETEST_SURVIVAL_GAME_SOURCE} AND IS_DIRECTORY ${MINETEST_SURVIVAL_GAME_SOURCE})
-	install(FILES ${MINETEST_SURVIVAL_GAME_SOURCE}/game.conf DESTINATION "${SHAREDIR}/games/survival/")
-	install(FILES ${MINETEST_SURVIVAL_GAME_SOURCE}/README.txt DESTINATION "${SHAREDIR}/games/survival/")
-	install(DIRECTORY ${MINETEST_SURVIVAL_GAME_SOURCE}/mods DESTINATION "${SHAREDIR}/games/survival")
-endif()
 if(BUILD_CLIENT)
 	#install(DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}/sounds/base/pack" DESTINATION "${SHAREDIR}/sounds/base")
 	install(DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}/textures/base/pack" DESTINATION "${SHAREDIR}/textures/base")
 endif()
 if(RUN_IN_PLACE)
-	install(FILES "${CMAKE_CURRENT_SOURCE_DIR}/mods/minetest/mods_here.txt" DESTINATION "${SHAREDIR}/mods/minetest")
+	install(FILES "${CMAKE_CURRENT_SOURCE_DIR}/mods/mods_here.txt" DESTINATION "${SHAREDIR}/mods")
 	install(FILES "${CMAKE_CURRENT_SOURCE_DIR}/textures/all/textures_here.txt" DESTINATION "${SHAREDIR}/textures/all")
 endif()
 

README.txt

@@ -9,10 +9,9 @@ and contributors (see source file comments and the version control log)
 In case you downloaded the source code:
 ---------------------------------------
 If you downloaded the Minetest Engine source code in which this file is
-contained, you probably want to download these projects too:
+contained, you probably want to download the minetest_game project too:
-  https://github.com/minetest/common/
   https://github.com/minetest/minetest_game/
-See the README.txt in them.
+See the README.txt in it.
 
 Further documentation
 ----------------------
@@ -92,13 +91,6 @@ $ wget https://github.com/minetest/minetest/tarball/master -O master.tar.gz
 $ tar xf master.tar.gz
 $ cd minetest-minetest-286edd4 (or similar)
 
-Download common (needed for minetest_game and some others)
-$ cd games/
-$ wget https://github.com/minetest/common/tarball/master -O common.tar.gz
-$ tar xf common.tar.gz
-$ mv minetest-common-* common
-$ cd ..
-
 Download minetest_game (otherwise only the "Minimal development test" game is available)
 $ cd games/
 $ wget https://github.com/minetest/minetest_game/tarball/master -O minetest_game.tar.gz
@@ -124,7 +116,7 @@ $ ./minetest
 Compiling on Windows:
 ---------------------
 - This section is outdated. In addition to what is described here:
-  - In addition to minetest, you need to download common and minetest_game.
+  - In addition to minetest, you need to download minetest_game.
   - If you wish to have sound support, you need libogg, libvorbis and libopenal
 
 - You need:
@@ -267,6 +259,20 @@ distribution.
 Attribution-ShareAlike 3.0 Unported (CC BY-SA 3.0)
 http://creativecommons.org/licenses/by-sa/3.0/
 
+Authors of media files
+-----------------------
+Everything not listed in here:
+Copyright (C) 2010-2012 celeron55, Perttu Ahola <celeron55@gmail.com>
+
+BlockMen:
+  textures/base/pack/menuheader.png
+
+erlehmann:
+  misc/minetest-icon-24x24.png
+  misc/minetest-icon.ico
+  misc/minetest-icon.svg
+  textures/base/pack/logo.png
+
 License of Minetest source code
 -------------------------------
 

builtin/chatcommands.lua

@@ -261,7 +261,7 @@ minetest.register_chatcommand("teleport", {
 			}
 			for _, d in ipairs(tries) do
 				local p = {x = pos.x+d.x, y = pos.y+d.y, z = pos.z+d.z}
-				local n = minetest.env:get_node(p)
+				local n = minetest.get_node(p)
 				if not minetest.registered_nodes[n.name].walkable then
 					return p, true
 				end
@@ -272,7 +272,7 @@ minetest.register_chatcommand("teleport", {
 		local teleportee = nil
 		local p = {}
 		p.x, p.y, p.z = string.match(param, "^([%d.-]+)[, ] *([%d.-]+)[, ] *([%d.-]+)$")
-		teleportee = minetest.env:get_player_by_name(name)
+		teleportee = minetest.get_player_by_name(name)
 		if teleportee and p.x and p.y and p.z then
 			minetest.chat_send_player(name, "Teleporting to ("..p.x..", "..p.y..", "..p.z..")")
 			teleportee:setpos(p)
@@ -283,9 +283,9 @@ minetest.register_chatcommand("teleport", {
 		local p = nil
 		local target_name = nil
 		target_name = string.match(param, "^([^ ]+)$")
-		teleportee = minetest.env:get_player_by_name(name)
+		teleportee = minetest.get_player_by_name(name)
 		if target_name then
-			local target = minetest.env:get_player_by_name(target_name)
+			local target = minetest.get_player_by_name(target_name)
 			if target then
 				p = target:getpos()
 			end
@@ -303,7 +303,7 @@ minetest.register_chatcommand("teleport", {
 			local teleportee_name = nil
 			teleportee_name, p.x, p.y, p.z = string.match(param, "^([^ ]+) +([%d.-]+)[, ] *([%d.-]+)[, ] *([%d.-]+)$")
 			if teleportee_name then
-				teleportee = minetest.env:get_player_by_name(teleportee_name)
+				teleportee = minetest.get_player_by_name(teleportee_name)
 			end
 			if teleportee and p.x and p.y and p.z then
 				minetest.chat_send_player(name, "Teleporting "..teleportee_name.." to ("..p.x..", "..p.y..", "..p.z..")")
@@ -317,10 +317,10 @@ minetest.register_chatcommand("teleport", {
 			local target_name = nil
 			teleportee_name, target_name = string.match(param, "^([^ ]+) +([^ ]+)$")
 			if teleportee_name then
-				teleportee = minetest.env:get_player_by_name(teleportee_name)
+				teleportee = minetest.get_player_by_name(teleportee_name)
 			end
 			if target_name then
-				local target = minetest.env:get_player_by_name(target_name)
+				local target = minetest.get_player_by_name(target_name)
 				if target then
 					p = target:getpos()
 				end
@@ -402,7 +402,7 @@ local function handle_give_command(cmd, giver, receiver, stackstring)
 		minetest.chat_send_player(giver, 'error: cannot give an unknown item')
 		return
 	end
-	local receiverref = minetest.env:get_player_by_name(receiver)
+	local receiverref = minetest.get_player_by_name(receiver)
 	if receiverref == nil then
 		minetest.chat_send_player(giver, receiver..' is not a known player')
 		return
@@ -466,14 +466,14 @@ minetest.register_chatcommand("spawnentity", {
 			return
 		end
 		print('/spawnentity invoked, entityname="'..entityname..'"')
-		local player = minetest.env:get_player_by_name(name)
+		local player = minetest.get_player_by_name(name)
 		if player == nil then
 			print("Unable to spawn entity, player is nil")
 			return true -- Handled chat message
 		end
 		local p = player:getpos()
 		p.y = p.y + 1
-		minetest.env:add_entity(p, entityname)
+		minetest.add_entity(p, entityname)
 		minetest.chat_send_player(name, '"'..entityname
 				..'" spawned.');
 	end,
@@ -483,7 +483,7 @@ minetest.register_chatcommand("pulverize", {
 	description = "delete item in hand",
 	privs = {},
 	func = function(name, param)
-		local player = minetest.env:get_player_by_name(name)
+		local player = minetest.get_player_by_name(name)
 		if player == nil then
 			print("Unable to pulverize, player is nil")
 			return true -- Handled chat message
@@ -533,7 +533,7 @@ minetest.register_chatcommand("rollback_check", {
 			if act_p.x ~= pos.x or act_p.y ~= pos.y or act_p.z ~= pos.z then
 				nodedesc = minetest.pos_to_string(act_p)
 			end
-			local nodename = minetest.env:get_node(act_p).name
+			local nodename = minetest.get_node(act_p).name
 			minetest.chat_send_player(name, "Last actor on "..nodedesc..
 					" was "..actor..", "..dump(act_seconds)..
 					"s ago (node is now "..nodename..")")
@@ -598,7 +598,7 @@ minetest.register_chatcommand("time", {
 		if newtime == nil then
 			minetest.chat_send_player(name, "Invalid time")
 		else
-			minetest.env:set_timeofday((newtime % 24000) / 24000)
+			minetest.set_timeofday((newtime % 24000) / 24000)
 			minetest.chat_send_player(name, "Time of day changed.")
 			minetest.log("action", name .. " sets time " .. newtime)
 		end
@@ -625,7 +625,7 @@ minetest.register_chatcommand("ban", {
 			minetest.chat_send_player(name, "Ban list: " .. minetest.get_ban_list())
 			return
 		end
-		if not minetest.env:get_player_by_name(param) then
+		if not minetest.get_player_by_name(param) then
 			minetest.chat_send_player(name, "No such player")
 			return
 		end
@@ -660,7 +660,7 @@ minetest.register_chatcommand("clearobjects", {
 	func = function(name, param)
 		minetest.log("action", name .. " clears all objects")
 		minetest.chat_send_all("Clearing all objects.  This may take long.  You may experience a timeout.  (by " .. name .. ")")
-		minetest.env:clear_objects()
+		minetest.clear_objects()
 		minetest.log("action", "object clearing done")
 		minetest.chat_send_all("*** Cleared all objects.")
 	end,
@@ -673,7 +673,7 @@ minetest.register_chatcommand("msg", {
 	func = function(name, param)
 		local found, _, sendto, message = param:find("^([^%s]+)%s(.+)$")
 		if found then
-			if minetest.env:get_player_by_name(sendto) then
+			if minetest.get_player_by_name(sendto) then
 				minetest.log("action", "PM from "..name.." to "..sendto..": "..message)
 				minetest.chat_send_player(sendto, "PM from "..name..": "..message, false)
 				minetest.chat_send_player(name, "Message sent")

builtin/deprecated.lua

@@ -24,3 +24,25 @@ minetest.add_to_creative_inventory = function(itemstring)
 	minetest.log('info', "WARNING: minetest.add_to_creative_inventory: This function is deprecated and does nothing.")
 end
 
+--
+-- EnvRef
+--
+minetest.env = {}
+local envref_deprecation_message_printed = false
+setmetatable(minetest.env, {
+	__index = function(table, key)
+		if not envref_deprecation_message_printed then
+			minetest.log("info", "WARNING: minetest.env:[...] is deprecated and should be replaced with minetest.[...]")
+			envref_deprecation_message_printed = true
+		end
+		local func = minetest[key]
+		if type(func) == "function" then
+			rawset(table, key, function(self, ...)
+				return func(unpack({...}))
+			end)
+		else
+			rawset(table, key, nil)
+		end
+		return rawget(table, key)
+	end
+})

builtin/falling.lua

@@ -53,27 +53,27 @@ minetest.register_entity("__builtin:falling_node", {
 		-- Turn to actual sand when collides to ground or just move
 		local pos = self.object:getpos()
 		local bcp = {x=pos.x, y=pos.y-0.7, z=pos.z} -- Position of bottom center point
-		local bcn = minetest.env:get_node(bcp)
+		local bcn = minetest.get_node(bcp)
 		-- Note: walkable is in the node definition, not in item groups
 		if minetest.registered_nodes[bcn.name] and
 				minetest.registered_nodes[bcn.name].walkable then
 			if minetest.registered_nodes[bcn.name].buildable_to then
-				minetest.env:remove_node(bcp)
+				minetest.remove_node(bcp)
 				return
 			end
 			local np = {x=bcp.x, y=bcp.y+1, z=bcp.z}
 			-- Check what's here
-			local n2 = minetest.env:get_node(np)
+			local n2 = minetest.get_node(np)
 			-- If it's not air or liquid, remove node and replace it with
 			-- it's drops
 			if n2.name ~= "air" and (not minetest.registered_nodes[n2.name] or
 					minetest.registered_nodes[n2.name].liquidtype == "none") then
 				local drops = minetest.get_node_drops(n2.name, "")
-				minetest.env:remove_node(np)
+				minetest.remove_node(np)
 				-- Add dropped items
 				local _, dropped_item
 				for _, dropped_item in ipairs(drops) do
-					minetest.env:add_item(np, dropped_item)
+					minetest.add_item(np, dropped_item)
 				end
 				-- Run script hook
 				local _, callback
@@ -82,7 +82,7 @@ minetest.register_entity("__builtin:falling_node", {
 				end
 			end
 			-- Create node and remove entity
-			minetest.env:add_node(np, {name=self.nodename})
+			minetest.add_node(np, {name=self.nodename})
 			self.object:remove()
 			nodeupdate(np)
 		else
@@ -92,20 +92,20 @@ minetest.register_entity("__builtin:falling_node", {
 })
 
 function spawn_falling_node(p, nodename)
-	obj = minetest.env:add_entity(p, "__builtin:falling_node")
+	obj = minetest.add_entity(p, "__builtin:falling_node")
 	obj:get_luaentity():set_node(nodename)
 end
 
 function drop_attached_node(p)
-	local nn = minetest.env:get_node(p).name
+	local nn = minetest.get_node(p).name
-	minetest.env:remove_node(p)
+	minetest.remove_node(p)
 	for _,item in ipairs(minetest.get_node_drops(nn, "")) do
 		local pos = {
 			x = p.x + math.random()/2 - 0.25,
 			y = p.y + math.random()/2 - 0.25,
 			z = p.z + math.random()/2 - 0.25,
 		}
-		minetest.env:add_item(pos, item)
+		minetest.add_item(pos, item)
 	end
 end
 
@@ -130,7 +130,7 @@ function check_attached_node(p, n)
 		d.y = -1
 	end
 	local p2 = {x=p.x+d.x, y=p.y+d.y, z=p.z+d.z}
-	local nn = minetest.env:get_node(p2).name
+	local nn = minetest.get_node(p2).name
 	local def2 = minetest.registered_nodes[nn]
 	if def2 and not def2.walkable then
 		return false
@@ -143,10 +143,10 @@ end
 --
 
 function nodeupdate_single(p, delay)
-	n = minetest.env:get_node(p)
+	n = minetest.get_node(p)
 	if minetest.get_node_group(n.name, "falling_node") ~= 0 then
 		p_bottom = {x=p.x, y=p.y-1, z=p.z}
-		n_bottom = minetest.env:get_node(p_bottom)
+		n_bottom = minetest.get_node(p_bottom)
 		-- Note: walkable is in the node definition, not in item groups
 		if minetest.registered_nodes[n_bottom.name] and
 				(not minetest.registered_nodes[n_bottom.name].walkable or 
@@ -154,7 +154,7 @@ function nodeupdate_single(p, delay)
 			if delay then
 				minetest.after(0.1, nodeupdate_single, {x=p.x, y=p.y, z=p.z}, false)
 			else
-				minetest.env:remove_node(p)
+				minetest.remove_node(p)
 				spawn_falling_node(p, n.name)
 				nodeupdate(p)
 			end

builtin/item.lua

@@ -129,9 +129,9 @@ function minetest.item_place_node(itemstack, placer, pointed_thing)
 	end
 
 	local under = pointed_thing.under
-	local oldnode_under = minetest.env:get_node_or_nil(under)
+	local oldnode_under = minetest.get_node_or_nil(under)
 	local above = pointed_thing.above
-	local oldnode_above = minetest.env:get_node_or_nil(above)
+	local oldnode_above = minetest.get_node_or_nil(above)
 
 	if not oldnode_under or not oldnode_above then
 		minetest.log("info", placer:get_player_name() .. " tried to place"
@@ -163,7 +163,7 @@ function minetest.item_place_node(itemstack, placer, pointed_thing)
 	minetest.log("action", placer:get_player_name() .. " places node "
 		.. def.name .. " at " .. minetest.pos_to_string(place_to))
 	
-	local oldnode = minetest.env:get_node(place_to)
+	local oldnode = minetest.get_node(place_to)
 	local newnode = {name = def.name, param1 = 0, param2 = 0}
 
 	-- Calculate direction for wall mounted stuff like torches and signs
@@ -197,7 +197,7 @@ function minetest.item_place_node(itemstack, placer, pointed_thing)
 	end
 
 	-- Add node and update
-	minetest.env:add_node(place_to, newnode)
+	minetest.add_node(place_to, newnode)
 
 	local take_item = true
 
@@ -232,7 +232,7 @@ function minetest.item_place_object(itemstack, placer, pointed_thing)
 	local pos = minetest.get_pointed_thing_position(pointed_thing, true)
 	if pos ~= nil then
 		local item = itemstack:take_item()
-		minetest.env:add_item(pos, item)
+		minetest.add_item(pos, item)
 	end
 	return itemstack
 end
@@ -241,7 +241,7 @@ function minetest.item_place(itemstack, placer, pointed_thing)
 	-- Call on_rightclick if the pointed node defines it
 	if pointed_thing.type == "node" and placer and
 			not placer:get_player_control().sneak then
-		local n = minetest.env:get_node(pointed_thing.under)
+		local n = minetest.get_node(pointed_thing.under)
 		local nn = n.name
 		if minetest.registered_nodes[nn] and minetest.registered_nodes[nn].on_rightclick then
 			return minetest.registered_nodes[nn].on_rightclick(pointed_thing.under, n, placer, itemstack) or itemstack
@@ -258,7 +258,7 @@ function minetest.item_drop(itemstack, dropper, pos)
 	if dropper.get_player_name then
 		local v = dropper:get_look_dir()
 		local p = {x=pos.x+v.x, y=pos.y+1.5+v.y, z=pos.z+v.z}
-		local obj = minetest.env:add_item(p, itemstack)
+		local obj = minetest.add_item(p, itemstack)
 		if obj then
 			v.x = v.x*2
 			v.y = v.y*2 + 1
@@ -266,7 +266,7 @@ function minetest.item_drop(itemstack, dropper, pos)
 			obj:setvelocity(v)
 		end
 	else
-		minetest.env:add_item(pos, itemstack)
+		minetest.add_item(pos, itemstack)
 	end
 	return ItemStack("")
 end
@@ -304,7 +304,7 @@ function minetest.handle_node_drops(pos, drops, digger)
 					y = pos.y + math.random()/2-0.25,
 					z = pos.z + math.random()/2-0.25,
 				}
-				minetest.env:add_item(p, left)
+				minetest.add_item(p, left)
 			end
 		end
 	end
@@ -340,11 +340,11 @@ function minetest.node_dig(pos, node, digger)
 
 	local oldmetadata = nil
 	if def.after_dig_node then
-		oldmetadata = minetest.env:get_meta(pos):to_table()
+		oldmetadata = minetest.get_meta(pos):to_table()
 	end
 
 	-- Remove node and update
-	minetest.env:remove_node(pos)
+	minetest.remove_node(pos)
 	
 	-- Run callback
 	if def.after_dig_node then

builtin/item_entity.lua

@@ -3,7 +3,7 @@
 function minetest.spawn_item(pos, item)
 	-- Take item in any format
 	local stack = ItemStack(item)
-	local obj = minetest.env:add_entity(pos, "__builtin:item")
+	local obj = minetest.add_entity(pos, "__builtin:item")
 	obj:get_luaentity():set_item(stack:to_string())
 	return obj
 end
@@ -83,7 +83,7 @@ minetest.register_entity("__builtin:item", {
 	on_step = function(self, dtime)
 		local p = self.object:getpos()
 		p.y = p.y - 0.3
-		local nn = minetest.env:get_node(p).name
+		local nn = minetest.get_node(p).name
 		-- If node is not registered or node is walkably solid and resting on nodebox
 		local v = self.object:getvelocity()
 		if not minetest.registered_nodes[nn] or minetest.registered_nodes[nn].walkable and v.y == 0 then

builtin/misc.lua

@@ -43,7 +43,7 @@ end
 function minetest.get_connected_players()
 	-- This could be optimized a bit, but leave that for later
 	local list = {}
-	for _, obj in pairs(minetest.env:get_objects_inside_radius({x=0,y=0,z=0}, 1000000)) do
+	for _, obj in pairs(minetest.get_objects_inside_radius({x=0,y=0,z=0}, 1000000)) do
 		if obj:is_player() then
 			table.insert(list, obj)
 		end

doc/lua_api.txt

@@ -50,12 +50,8 @@ where gameid is unique to each game.
 
 The game directory contains the file game.conf, which contains these fields:
   name = <Human-readable full name of the game>
-  common_mods = <Comma-separated list of common mods>
 eg.
   name = Minetest
-  common_mods = bucket, default, doors, fire, stairs
-
-Common mods are loaded from the pseudo-game "common".
 
 The game directory can contain the file minetest.conf, which will be used
 to set default settings when running the particular game.
@@ -64,9 +60,9 @@ Mod load path
 -------------
 Generic:
   $path_share/games/gameid/mods/
-  $path_share/mods/gameid/
+  $path_share/mods/
   $path_user/games/gameid/mods/
-  $path_user/mods/gameid/ <-- User-installed mods
+  $path_user/mods/ <-- User-installed mods
   $worldpath/worldmods/
 
 In a run-in-place version (eg. the distributed windows version):
@@ -514,7 +510,7 @@ Usage:
 - Groups are stored in a table, having the group names with keys and the
   group ratings as values. For example:
     groups = {crumbly=3, soil=1}
-    ^ Default dirt (soil group actually currently not defined; TODO)
+    ^ Default dirt
     groups = {crumbly=2, soil=1, level=2, outerspace=1}
     ^ A more special dirt-kind of thing
 - Groups always have a rating associated with them. If there is no
@@ -587,6 +583,9 @@ Special groups
 - attached_node: if the node under it is not a walkable block the node will be
                   dropped as an item. If the node is wallmounted the
                   wallmounted direction is checked.
+- soil: saplings will grow on nodes in this group
+- connect_to_raillike: makes nodes of raillike drawtype connect to
+                       other group members with same drawtype
 
 Known damage and digging time defining groups
 ----------------------------------------------
@@ -769,7 +768,7 @@ Some of the values in the key-value store are handled specially:
 
 Example stuff:
 
-local meta = minetest.env:get_meta(pos)
+local meta = minetest.get_meta(pos)
 meta:set_string("formspec",
         "invsize[8,9;]"..
         "list[context;main;0,0;8,4;]"..
@@ -915,6 +914,7 @@ minetest.formspec_escape(string) -> string
 
 minetest namespace reference
 -----------------------------
+Utilities:
 minetest.get_current_modname() -> string
 minetest.get_modpath(modname) -> eg. "/home/user/.minetest/usermods/modname"
 ^ Useful for loading additional .lua modules or static data from mod
@@ -929,6 +929,7 @@ minetest.has_feature(arg) -> bool, missing_features
 ^ arg: string or table in format {foo=true, bar=true}
 ^ missing_features: {foo=true, bar=true}
 
+Logging:
 minetest.debug(line)
 ^ Always printed to stderr and logfile (print() is redirected here)
 minetest.log(line)
@@ -956,10 +957,12 @@ minetest.register_on_shutdown(func())
 minetest.register_on_placenode(func(pos, newnode, placer, oldnode, itemstack))
 ^ Called when a node has been placed
 ^ If return true no item is taken from itemstack
-^ Deprecated: Use on_construct or after_place_node in node definition instead
+^ Not recommended; use on_construct or after_place_node in node definition
+^                  whenever possible
 minetest.register_on_dignode(func(pos, oldnode, digger))
 ^ Called when a node has been dug.
-^ Deprecated: Use on_destruct or after_dig_node in node definition instead
+^ Not recommended: Use on_destruct or after_dig_node in node definition
+^                  whenever possible
 minetest.register_on_punchnode(func(pos, node, puncher))
 ^ Called when a node is punched
 minetest.register_on_generated(func(minp, maxp, blockseed))
@@ -1026,6 +1029,64 @@ minetest.chat_send_all(text)
 minetest.chat_send_player(name, text, prepend)
 ^ prepend: optional, if it is set to false "Server -!- " will not be prepended to the message
 
+Environment access:
+
+minetest.set_node(pos, node)
+minetest.add_node(pos, node): alias set_node(pos, node)
+^ Set node at position (node = {name="foo", param1=0, param2=0})
+minetest.remove_node(pos)
+^ Equivalent to set_node(pos, "air")
+minetest.get_node(pos)
+^ Returns {name="ignore", ...} for unloaded area
+minetest.get_node_or_nil(pos)
+^ Returns nil for unloaded area
+minetest.get_node_light(pos, timeofday) -> 0...15 or nil
+^ timeofday: nil = current time, 0 = night, 0.5 = day
+
+minetest.place_node(pos, node)
+^ Place node with the same effects that a player would cause
+minetest.dig_node(pos)
+^ Dig node with the same effects that a player would cause
+minetest.punch_node(pos)
+^ Punch node with the same effects that a player would cause
+  
+minetest.get_meta(pos) -- Get a NodeMetaRef at that position
+minetest.get_node_timer(pos) -- Get NodeTimerRef
+
+minetest.add_entity(pos, name): Spawn Lua-defined entity at position
+^ Returns ObjectRef, or nil if failed
+minetest.add_item(pos, item): Spawn item
+^ Returns ObjectRef, or nil if failed
+minetest.get_player_by_name(name) -- Get an ObjectRef to a player
+minetest.get_objects_inside_radius(pos, radius)
+minetest.set_timeofday(val): val: 0...1; 0 = midnight, 0.5 = midday
+minetest.get_timeofday()
+minetest.find_node_near(pos, radius, nodenames) -> pos or nil
+^ nodenames: eg. {"ignore", "group:tree"} or "default:dirt"
+minetest.find_nodes_in_area(minp, maxp, nodenames) -> list of positions
+^ nodenames: eg. {"ignore", "group:tree"} or "default:dirt"
+minetest.get_perlin(seeddiff, octaves, persistence, scale)
+^ Return world-specific perlin noise (int(worldseed)+seeddiff)
+minetest.clear_objects()
+^ clear all objects in the environments
+minetest.line_of_sight(pos1,pos2,stepsize) ->true/false
+^ checkif there is a direct line of sight between pos1 and pos2
+^ pos1 First position
+^ pos2 Second position
+^ stepsize smaller gives more accurate results but requires more computing
+             time. Default is 1.
+minetest.find_path(pos1,pos2,searchdistance,max_jump,max_drop,algorithm)
+^ -> table containing path
+^ returns a table of 3d points representing a path from pos1 to pos2 or nil
+^ pos1: start position
+^ pos2: end position
+^ searchdistance: number of blocks to search in each direction
+^ max_jump: maximum height difference to consider walkable
+^ max_drop: maximum height difference to consider droppable
+^ algorithm: A*_noprefetch(default), A*, Dijkstra
+minetest.spawn_tree (pos, {treedef})
+^ spawns L-System tree at given pos with definition in treedef table
+
 Inventory:
 minetest.get_inventory(location) -> InvRef
 ^ location = eg. {type="player", name="celeron55"}
@@ -1196,7 +1257,11 @@ minetest.deserialize(string) -> table
 
 Global objects:
 minetest.env - EnvRef of the server environment and world.
-^ Using this you can access nodes and entities
+^ Any function in the minetest namespace can be called using the syntax
+    minetest.env:somefunction(somearguments)
+  instead of
+    minetest.somefunction(somearguments)
+^ Deprecated, but support is not to be dropped soon
 
 Global tables:
 minetest.registered_items
@@ -1225,129 +1290,9 @@ minetest.digprop_glasslike(toughness)
 
 Class reference
 ----------------
-EnvRef: basically ServerEnvironment and ServerMap combined.
-methods:
-- set_node(pos, node)
-- add_node(pos, node): alias set_node(pos, node)
- ^ Set node at position (node = {name="foo", param1=0, param2=0})
-- remove_node(pos)
-  ^ Equivalent to set_node(pos, "air")
-- get_node(pos)
-  ^ Returns {name="ignore", ...} for unloaded area
-- get_node_or_nil(pos)
-  ^ Returns nil for unloaded area
-- get_node_light(pos, timeofday) -> 0...15 or nil
-  ^ timeofday: nil = current time, 0 = night, 0.5 = day
-
-- place_node(pos, node)
-  ^ Place node with the same effects that a player would cause
-- dig_node(pos)
-  ^ Dig node with the same effects that a player would cause
-- punch_node(pos)
-  ^ Punch node with the same effects that a player would cause
-  
-- get_meta(pos) -- Get a NodeMetaRef at that position
-- get_node_timer(pos) -- Get NodeTimerRef
-
-- add_entity(pos, name): Spawn Lua-defined entity at position
-  ^ Returns ObjectRef, or nil if failed
-- add_item(pos, item): Spawn item
-  ^ Returns ObjectRef, or nil if failed
-- get_player_by_name(name) -- Get an ObjectRef to a player
-- get_objects_inside_radius(pos, radius)
-- set_timeofday(val): val: 0...1; 0 = midnight, 0.5 = midday
-- get_timeofday()
-- find_node_near(pos, radius, nodenames) -> pos or nil
-  ^ nodenames: eg. {"ignore", "group:tree"} or "default:dirt"
-- find_nodes_in_area(minp, maxp, nodenames) -> list of positions
-  ^ nodenames: eg. {"ignore", "group:tree"} or "default:dirt"
-- get_perlin(seeddiff, octaves, persistence, scale)
-  ^ Return world-specific perlin noise (int(worldseed)+seeddiff)
-- clear_objects()
-  ^ clear all objects in the environments
-- line_of_sight(pos1,pos2,stepsize) ->true/false
-  ^ checkif there is a direct line of sight between pos1 and pos2
-  ^ pos1 First position
-  ^ pos2 Second position
-  ^ stepsize smaller gives more accurate results but requires more computing
-             time. Default is 1.
--find_path(pos1,pos2,searchdistance,max_jump,max_drop,algorithm) -> table containing path
-  ^ returns a table of 3d points representing a path from pos1 to pos2 or nil
-  ^ pos1: start position
-  ^ pos2: end position
-  ^ searchdistance: number of blocks to search in each direction
-  ^ max_jump: maximum height difference to consider walkable
-  ^ max_drop: maximum height difference to consider droppable
-  ^ algorithm: A*_noprefetch(default), A*, Dijkstra
-- spawn_tree (pos, {treedef})
-  ^ spawns L-System tree at given pos with definition in treedef table
-treedef={
-  axiom,         - string  initial tree axiom
-  rules_a,       - string  rules set A
-  rules_b,       - string  rules set B
-  rules_c,       - string  rules set C
-  rules_d,       - string  rules set D
-  trunk,         - string  trunk node name
-  leaves,        - string  leaves node name
-  leaves2,       - string  secondary leaves node name
-  leaves2_chance,- num     chance (0-100) to replace leaves with leaves2
-  angle,         - num     angle in deg
-  iterations,    - num     max # of iterations, usually 2 -5
-  random_level,  - num     factor to lower nr of iterations, usually 0 - 3
-  trunk_type,    - string  single/double/crossed) type of trunk: 1 node, 2x2 nodes or 3x3 in cross shape
-  thin_branches, - boolean true -> use thin (1 node) branches
-  fruit,         - string  fruit node name
-  fruit_chance,  - num     chance (0-100) to replace leaves with fruit node
-  seed,          - num     random seed
-  }
-
-Key for Special L-System Symbols used in Axioms
-  G  - move forward one unit with the pen up
-  F  - move forward one unit with the pen down drawing trunks and branches
-  f  - move forward one unit with the pen down drawing leaves (100% chance)
-  T  - move forward one unit with the pen down drawing trunks only
-  R  - move forward one unit with the pen down placing fruit
-  A  - replace with rules set A
-  B  - replace with rules set B
-  C  - replace with rules set C
-  D  - replace with rules set D
-  a  - replace with rules set A, chance 90%
-  b  - replace with rules set B, chance 80%
-  c  - replace with rules set C, chance 70%
-  d  - replace with rules set D, chance 60%
-  +  - yaw the turtle right by angle parameter
-  -  - yaw the turtle left by angle parameter
-  &  - pitch the turtle down by angle parameter
-  ^  - pitch the turtle up by angle parameter
-  /  - roll the turtle to the right by angle parameter
-  *  - roll the turtle to the left by angle parameter
-  [  - save in stack current state info
-  ]  - recover from stack state info
-
-Example usage: spawn small apple tree
-apple_tree={
-  axiom="FFFFFAFFBF",
-  rules_a="[&&&FFFFF&&FFFF][&&&++++FFFFF&&FFFF][&&&----FFFFF&&FFFF]",
-  rules_b="[&&&++FFFFF&&FFFF][&&&--FFFFF&&FFFF][&&&------FFFFF&&FFFF]",
-  trunk="default:tree",
-  leaves="default:leaves",
-  angle=30,
-  iterations=2,
-  random_level=0,
-  trunk_type="single",
-  thin_branches=true,
-  fruit_chance=10,
-  fruit="default:apple"
-  }
-minetest.env:spawn_tree(pos,apple_tree)
-
-Deprecated:
-- add_rat(pos): Add C++ rat object (no-op)
-- add_firefly(pos): Add C++ firefly object (no-op)
-
 NodeMetaRef: Node metadata - reference extra data and functionality stored
              in a node
-- Can be gotten via minetest.env:get_nodemeta(pos)
+- Can be gotten via minetest.get_nodemeta(pos)
 methods:
 - set_string(name, value)
 - get_string(name)
@@ -1361,7 +1306,7 @@ methods:
   ^ See "Node Metadata"
   
 NodeTimerRef: Node Timers - a high resolution persistent per-node timer
-- Can be gotten via minetest.env:get_node_timer(pos)
+- Can be gotten via minetest.get_node_timer(pos)
 methods:
 - set(timeout,elapsed)
   ^ set a timer's state
@@ -1454,6 +1399,8 @@ Player-only: (no-op for other objects)
   ^ flags: (is visible) hotbar, healthbar, crosshair, wielditem
   ^ pass a table containing a true/false value of each flag to be set or unset
   ^ if a flag is nil, the flag is not modified
+- hud_set_hotbar_itemcount(count): sets number of items in builtin hotbar
+  ^ count: number of items, must be between 1 and 23
 
 InvRef: Reference to an inventory
 methods:
@@ -1516,7 +1463,7 @@ methods:
 
 PerlinNoise: A perlin noise generator
 - Can be created via PerlinNoise(seed, octaves, persistence, scale)
-- Also minetest.env:get_perlin(seeddiff, octaves, persistence, scale)
+- Also minetest.get_perlin(seeddiff, octaves, persistence, scale)
 methods:
 - get2d(pos) -> 2d noise value at pos={x=,y=}
 - get3d(pos) -> 3d noise value at pos={x=,y=,z=}
@@ -1546,6 +1493,68 @@ Registered entities
     ^ Should return a string that will be passed to on_activate when
       the object is instantiated the next time.
 
+L-system trees
+---------------
+treedef={
+  axiom,         - string  initial tree axiom
+  rules_a,       - string  rules set A
+  rules_b,       - string  rules set B
+  rules_c,       - string  rules set C
+  rules_d,       - string  rules set D
+  trunk,         - string  trunk node name
+  leaves,        - string  leaves node name
+  leaves2,       - string  secondary leaves node name
+  leaves2_chance,- num     chance (0-100) to replace leaves with leaves2
+  angle,         - num     angle in deg
+  iterations,    - num     max # of iterations, usually 2 -5
+  random_level,  - num     factor to lower nr of iterations, usually 0 - 3
+  trunk_type,    - string  single/double/crossed) type of trunk: 1 node, 2x2 nodes or 3x3 in cross shape
+  thin_branches, - boolean true -> use thin (1 node) branches
+  fruit,         - string  fruit node name
+  fruit_chance,  - num     chance (0-100) to replace leaves with fruit node
+  seed,          - num     random seed
+  }
+
+Key for Special L-System Symbols used in Axioms
+  G  - move forward one unit with the pen up
+  F  - move forward one unit with the pen down drawing trunks and branches
+  f  - move forward one unit with the pen down drawing leaves (100% chance)
+  T  - move forward one unit with the pen down drawing trunks only
+  R  - move forward one unit with the pen down placing fruit
+  A  - replace with rules set A
+  B  - replace with rules set B
+  C  - replace with rules set C
+  D  - replace with rules set D
+  a  - replace with rules set A, chance 90%
+  b  - replace with rules set B, chance 80%
+  c  - replace with rules set C, chance 70%
+  d  - replace with rules set D, chance 60%
+  +  - yaw the turtle right by angle parameter
+  -  - yaw the turtle left by angle parameter
+  &  - pitch the turtle down by angle parameter
+  ^  - pitch the turtle up by angle parameter
+  /  - roll the turtle to the right by angle parameter
+  *  - roll the turtle to the left by angle parameter
+  [  - save in stack current state info
+  ]  - recover from stack state info
+
+Example usage: spawn small apple tree
+apple_tree={
+  axiom="FFFFFAFFBF",
+  rules_a="[&&&FFFFF&&FFFF][&&&++++FFFFF&&FFFF][&&&----FFFFF&&FFFF]",
+  rules_b="[&&&++FFFFF&&FFFF][&&&--FFFFF&&FFFF][&&&------FFFFF&&FFFF]",
+  trunk="default:tree",
+  leaves="default:leaves",
+  angle=30,
+  iterations=2,
+  random_level=0,
+  trunk_type="single",
+  thin_branches=true,
+  fruit_chance=10,
+  fruit="default:apple"
+  }
+minetest.spawn_tree(pos,apple_tree)
+
 Definition tables
 ------------------
 
@@ -1715,13 +1724,13 @@ Node definition (register_node)
 
     after_place_node = func(pos, placer, itemstack),
     ^ Called after constructing node when node was placed using
-      minetest.item_place_node / minetest.env:place_node
+      minetest.item_place_node / minetest.place_node
     ^ If return true no item is taken from itemstack
     ^ default: nil
     after_dig_node = func(pos, oldnode, oldmetadata, digger),
     ^ oldmetadata is in table format
     ^ Called after destructing node when node was dug using
-      minetest.node_dig / minetest.env:dig_node
+      minetest.node_dig / minetest.dig_node
     ^ default: nil
     can_dig = function(pos,player)
     ^ returns true if node can be dug, or false if not
@@ -1740,7 +1749,7 @@ Node definition (register_node)
     
     on_timer = function(pos,elapsed),
     ^ default: nil
-    ^ called by NodeTimers, see EnvRef and NodeTimerRef
+    ^ called by NodeTimers, see minetest.get_node_timer and NodeTimerRef
     ^ elapsed is the total time passed since the timer was started
     ^ return true to run the timer for another cycle with the same timeout value
 

games/minimal/mods/bucket/init.lua

@@ -41,13 +41,13 @@ function bucket.register_liquid(source, flowing, itemname, inventory_image)
 					return
 				end
 				-- Check if pointing to a liquid
-				n = minetest.env:get_node(pointed_thing.under)
+				n = minetest.get_node(pointed_thing.under)
 				if bucket.liquids[n.name] == nil then
 					-- Not a liquid
-					minetest.env:add_node(pointed_thing.above, {name=source})
+					minetest.add_node(pointed_thing.above, {name=source})
 				elseif n.name ~= source then
 					-- It's a liquid
-					minetest.env:add_node(pointed_thing.under, {name=source})
+					minetest.add_node(pointed_thing.under, {name=source})
 				end
 				return {name="bucket:bucket_empty"}
 			end
@@ -65,10 +65,10 @@ minetest.register_craftitem("bucket:bucket_empty", {
 			return
 		end
 		-- Check if pointing to a liquid source
-		n = minetest.env:get_node(pointed_thing.under)
+		n = minetest.get_node(pointed_thing.under)
 		liquiddef = bucket.liquids[n.name]
 		if liquiddef ~= nil and liquiddef.source == n.name and liquiddef.itemname ~= nil then
-			minetest.env:add_node(pointed_thing.under, {name="air"})
+			minetest.add_node(pointed_thing.under, {name="air"})
 			return {name=liquiddef.itemname}
 		end
 	end,

games/minimal/mods/default/init.lua

@@ -741,7 +741,7 @@ minetest.register_node("default:dirt_with_grass", {
 	description = "Dirt with grass",
 	tiles ={"default_grass.png", "default_dirt.png", "default_dirt.png^default_grass_side.png"},
 	is_ground_content = true,
-	groups = {crumbly=3},
+	groups = {crumbly=3, soil=1},
 	drop = 'default:dirt',
 	sounds = default.node_sound_dirt_defaults({
 		footstep = {name="default_grass_footstep", gain=0.4},
@@ -752,7 +752,7 @@ minetest.register_node("default:dirt_with_grass_footsteps", {
 	description = "Dirt with grass and footsteps",
 	tiles ={"default_grass_footsteps.png", "default_dirt.png", "default_dirt.png^default_grass_side.png"},
 	is_ground_content = true,
-	groups = {crumbly=3},
+	groups = {crumbly=3, soil=1},
 	drop = 'default:dirt',
 	sounds = default.node_sound_dirt_defaults({
 		footstep = {name="default_grass_footstep", gain=0.4},
@@ -763,7 +763,7 @@ minetest.register_node("default:dirt", {
 	description = "Dirt",
 	tiles ={"default_dirt.png"},
 	is_ground_content = true,
-	groups = {crumbly=3},
+	groups = {crumbly=3, soil=1},
 	sounds = default.node_sound_dirt_defaults(),
 })
 
@@ -1133,14 +1133,14 @@ minetest.register_node("default:sign_wall", {
 	legacy_wallmounted = true,
 	sounds = default.node_sound_defaults(),
 	on_construct = function(pos)
-		--local n = minetest.env:get_node(pos)
+		--local n = minetest.get_node(pos)
-		local meta = minetest.env:get_meta(pos)
+		local meta = minetest.get_meta(pos)
 		meta:set_string("formspec", "field[text;;${text}]")
 		meta:set_string("infotext", "\"\"")
 	end,
 	on_receive_fields = function(pos, formname, fields, sender)
 		--print("Sign at "..minetest.pos_to_string(pos).." got "..dump(fields))
-		local meta = minetest.env:get_meta(pos)
+		local meta = minetest.get_meta(pos)
 		fields.text = fields.text or ""
 		print((sender:get_player_name() or "").." wrote \""..fields.text..
 				"\" to sign at "..minetest.pos_to_string(pos))
@@ -1158,7 +1158,7 @@ minetest.register_node("default:chest", {
 	legacy_facedir_simple = true,
 	sounds = default.node_sound_wood_defaults(),
 	on_construct = function(pos)
-		local meta = minetest.env:get_meta(pos)
+		local meta = minetest.get_meta(pos)
 		meta:set_string("formspec",
 				"size[8,9]"..
 				"list[current_name;main;0,0;8,4;]"..
@@ -1168,7 +1168,7 @@ minetest.register_node("default:chest", {
 		inv:set_size("main", 8*4)
 	end,
 	can_dig = function(pos,player)
-		local meta = minetest.env:get_meta(pos);
+		local meta = minetest.get_meta(pos);
 		local inv = meta:get_inventory()
 		return inv:is_empty("main")
 	end,
@@ -1190,13 +1190,13 @@ minetest.register_node("default:chest_locked", {
 	legacy_facedir_simple = true,
 	sounds = default.node_sound_wood_defaults(),
 	after_place_node = function(pos, placer)
-		local meta = minetest.env:get_meta(pos)
+		local meta = minetest.get_meta(pos)
 		meta:set_string("owner", placer:get_player_name() or "")
 		meta:set_string("infotext", "Locked Chest (owned by "..
 				meta:get_string("owner")..")")
 	end,
 	on_construct = function(pos)
-		local meta = minetest.env:get_meta(pos)
+		local meta = minetest.get_meta(pos)
 		meta:set_string("formspec",
 				"size[8,9]"..
 				"list[current_name;main;0,0;8,4;]"..
@@ -1207,12 +1207,12 @@ minetest.register_node("default:chest_locked", {
 		inv:set_size("main", 8*4)
 	end,
 	can_dig = function(pos,player)
-		local meta = minetest.env:get_meta(pos);
+		local meta = minetest.get_meta(pos);
 		local inv = meta:get_inventory()
 		return inv:is_empty("main")
 	end,
 	allow_metadata_inventory_move = function(pos, from_list, from_index, to_list, to_index, count, player)
-		local meta = minetest.env:get_meta(pos)
+		local meta = minetest.get_meta(pos)
 		if not has_locked_chest_privilege(meta, player) then
 			minetest.log("action", player:get_player_name()..
 					" tried to access a locked chest belonging to "..
@@ -1223,7 +1223,7 @@ minetest.register_node("default:chest_locked", {
 		return count
 	end,
     allow_metadata_inventory_put = function(pos, listname, index, stack, player)
-		local meta = minetest.env:get_meta(pos)
+		local meta = minetest.get_meta(pos)
 		if not has_locked_chest_privilege(meta, player) then
 			minetest.log("action", player:get_player_name()..
 					" tried to access a locked chest belonging to "..
@@ -1234,7 +1234,7 @@ minetest.register_node("default:chest_locked", {
 		return stack:get_count()
 	end,
     allow_metadata_inventory_take = function(pos, listname, index, stack, player)
-		local meta = minetest.env:get_meta(pos)
+		local meta = minetest.get_meta(pos)
 		if not has_locked_chest_privilege(meta, player) then
 			minetest.log("action", player:get_player_name()..
 					" tried to access a locked chest belonging to "..
@@ -1275,7 +1275,7 @@ minetest.register_node("default:furnace", {
 	legacy_facedir_simple = true,
 	sounds = default.node_sound_stone_defaults(),
 	on_construct = function(pos)
-		local meta = minetest.env:get_meta(pos)
+		local meta = minetest.get_meta(pos)
 		meta:set_string("formspec", default.furnace_inactive_formspec)
 		meta:set_string("infotext", "Furnace")
 		local inv = meta:get_inventory()
@@ -1284,7 +1284,7 @@ minetest.register_node("default:furnace", {
 		inv:set_size("dst", 4)
 	end,
 	can_dig = function(pos,player)
-		local meta = minetest.env:get_meta(pos);
+		local meta = minetest.get_meta(pos);
 		local inv = meta:get_inventory()
 		if not inv:is_empty("fuel") then
 			return false
@@ -1308,7 +1308,7 @@ minetest.register_node("default:furnace_active", {
 	legacy_facedir_simple = true,
 	sounds = default.node_sound_stone_defaults(),
 	on_construct = function(pos)
-		local meta = minetest.env:get_meta(pos)
+		local meta = minetest.get_meta(pos)
 		meta:set_string("formspec", default.furnace_inactive_formspec)
 		meta:set_string("infotext", "Furnace");
 		local inv = meta:get_inventory()
@@ -1317,7 +1317,7 @@ minetest.register_node("default:furnace_active", {
 		inv:set_size("dst", 4)
 	end,
 	can_dig = function(pos,player)
-		local meta = minetest.env:get_meta(pos);
+		local meta = minetest.get_meta(pos);
 		local inv = meta:get_inventory()
 		if not inv:is_empty("fuel") then
 			return false
@@ -1331,16 +1331,16 @@ minetest.register_node("default:furnace_active", {
 })
 
 function hacky_swap_node(pos,name)
-	local node = minetest.env:get_node(pos)
+	local node = minetest.get_node(pos)
-	local meta = minetest.env:get_meta(pos)
+	local meta = minetest.get_meta(pos)
 	local meta0 = meta:to_table()
 	if node.name == name then
 		return
 	end
 	node.name = name
 	local meta0 = meta:to_table()
-	minetest.env:set_node(pos,node)
+	minetest.set_node(pos,node)
-	meta = minetest.env:get_meta(pos)
+	meta = minetest.get_meta(pos)
 	meta:from_table(meta0)
 end
 
@@ -1349,7 +1349,7 @@ minetest.register_abm({
 	interval = 1.0,
 	chance = 1,
 	action = function(pos, node, active_object_count, active_object_count_wider)
-		local meta = minetest.env:get_meta(pos)
+		local meta = minetest.get_meta(pos)
 		for i, name in ipairs({
 				"fuel_totaltime",
 				"fuel_time",

games/minimal/mods/default/mapgen.lua

@@ -104,17 +104,17 @@ minetest.register_on_generated(function(minp, maxp, seed)
 		for divz=0+1,divs-1-1 do
 			local cx = minp.x + math.floor((divx+0.5)*divlen)
 			local cz = minp.z + math.floor((divz+0.5)*divlen)
-			if minetest.env:get_node({x=cx,y=1,z=cz}).name == "default:water_source" and
+			if minetest.get_node({x=cx,y=1,z=cz}).name == "default:water_source" and
-					minetest.env:get_node({x=cx,y=0,z=cz}).name == "default:sand" then
+					minetest.get_node({x=cx,y=0,z=cz}).name == "default:sand" then
 				local is_shallow = true
 				local num_water_around = 0
-				if minetest.env:get_node({x=cx-divlen*2,y=1,z=cz+0}).name == "default:water_source" then
+				if minetest.get_node({x=cx-divlen*2,y=1,z=cz+0}).name == "default:water_source" then
 					num_water_around = num_water_around + 1 end
-				if minetest.env:get_node({x=cx+divlen*2,y=1,z=cz+0}).name == "default:water_source" then
+				if minetest.get_node({x=cx+divlen*2,y=1,z=cz+0}).name == "default:water_source" then
 					num_water_around = num_water_around + 1 end
-				if minetest.env:get_node({x=cx+0,y=1,z=cz-divlen*2}).name == "default:water_source" then
+				if minetest.get_node({x=cx+0,y=1,z=cz-divlen*2}).name == "default:water_source" then
 					num_water_around = num_water_around + 1 end
-				if minetest.env:get_node({x=cx+0,y=1,z=cz+divlen*2}).name == "default:water_source" then
+				if minetest.get_node({x=cx+0,y=1,z=cz+divlen*2}).name == "default:water_source" then
 					num_water_around = num_water_around + 1 end
 				if num_water_around >= 2 then
 					is_shallow = false
@@ -122,8 +122,8 @@ minetest.register_on_generated(function(minp, maxp, seed)
 				if is_shallow then
 					for x1=-divlen,divlen do
 					for z1=-divlen,divlen do
-						if minetest.env:get_node({x=cx+x1,y=0,z=cz+z1}).name == "default:sand" then
+						if minetest.get_node({x=cx+x1,y=0,z=cz+z1}).name == "default:sand" then
-							minetest.env:set_node({x=cx+x1,y=0,z=cz+z1}, {name="default:clay"})
+							minetest.set_node({x=cx+x1,y=0,z=cz+z1}, {name="default:clay"})
 						end
 					end
 					end

games/minimal/mods/experimental/init.lua

@@ -66,7 +66,7 @@ test_sound()
 function on_step(dtime)
 	-- print("experimental on_step")
 	--[[
-	objs = minetest.env:get_objects_inside_radius({x=0,y=0,z=0}, 10)
+	objs = minetest.get_objects_inside_radius({x=0,y=0,z=0}, 10)
 	for k, obj in pairs(objs) do
 		name = obj:get_player_name()
 		if name then
@@ -86,17 +86,17 @@ function on_step(dtime)
 	experimental.t1 = experimental.t1 + dtime
 	if experimental.t1 >= 2 then
 		experimental.t1 = experimental.t1 - 2
-		minetest.log("time of day is "..minetest.env:get_timeofday())
+		minetest.log("time of day is "..minetest.get_timeofday())
 		if experimental.day then
 			minetest.log("forcing day->night")
 			experimental.day = false
-			minetest.env:set_timeofday(0.0)
+			minetest.set_timeofday(0.0)
 		else
 			minetest.log("forcing night->day")
 			experimental.day = true
-			minetest.env:set_timeofday(0.5)
+			minetest.set_timeofday(0.5)
 		end
-		minetest.log("time of day is "..minetest.env:get_timeofday())
+		minetest.log("time of day is "..minetest.get_timeofday())
 	end
 	--]]
 end
@@ -133,8 +133,8 @@ minetest.register_node("experimental:tnt", {
 
 minetest.register_on_punchnode(function(p, node)
 	if node.name == "experimental:tnt" then
-		minetest.env:remove_node(p)
+		minetest.remove_node(p)
-		minetest.env:add_entity(p, "experimental:tnt")
+		minetest.add_entity(p, "experimental:tnt")
 		nodeupdate(p)
 	end
 end)
@@ -262,7 +262,7 @@ minetest.register_on_chat_message(function(name, message)
 			minetest.chat_send_player(name, "you don't have permission to interact")
 			return true -- Handled chat message
 		end
-		local player = minetest.env:get_player_by_name(name)
+		local player = minetest.get_player_by_name(name)
 		if player == nil then
 			print("Unable to spawn entity, player is nil")
 			return true -- Handled chat message
@@ -270,7 +270,7 @@ minetest.register_on_chat_message(function(name, message)
 		local entityname = "experimental:dummyball"
 		local p = player:getpos()
 		p.y = p.y + 1
-		minetest.env:add_entity(p, entityname)
+		minetest.add_entity(p, entityname)
 		minetest.chat_send_player(name, '"'..entityname
 				..'" spawned.');
 		return true -- Handled chat message
@@ -323,7 +323,7 @@ end)
 minetest.register_on_generated(function(minp, maxp)
 	--print("on_generated: minp="..dump(minp).." maxp="..dump(maxp))
 	--cp = {x=(minp.x+maxp.x)/2, y=(minp.y+maxp.y)/2, z=(minp.z+maxp.z)/2}
-	--minetest.env:add_node(cp, {name="sand"})
+	--minetest.add_node(cp, {name="sand"})
 end)
 
 -- Example setting get
@@ -353,7 +353,7 @@ end)
 	action = function(pos, node, active_object_count, active_object_count_wider)
 		print("TNT ABM action")
 		pos.y = pos.y + 1
-		minetest.env:add_node(pos, {name="papyrus"})
+		minetest.add_node(pos, {name="papyrus"})
 	end,
 })]]
 
@@ -364,7 +364,7 @@ end)
 	chance = 1,
 	action = function(pos, node, active_object_count, active_object_count_wider)
 		print("ABM: Sign text changed")
-		local meta = minetest.env:get_meta(pos)
+		local meta = minetest.get_meta(pos)
 		meta:set_text("foo")
 	end,
 })]]
@@ -395,7 +395,7 @@ minetest.register_abm({
         end
        
         pos.y = pos.y + 1
-        n = minetest.env:get_node(pos)
+        n = minetest.get_node(pos)
         print(dump(n))
         if n.name ~= "air" then
             return
@@ -404,7 +404,7 @@ minetest.register_abm({
         pos.y = pos.y + 2
         ncpos = pos
         nctime = os.clock()
-        minetest.env:add_node(ncpos, {name="nyancat"})
+        minetest.add_node(ncpos, {name="nyancat"})
     end
 })
 
@@ -431,12 +431,12 @@ minetest.register_abm({
             p2 = {x = p1.x + s1[2], y = p1.y, z = p1.z + s1[3]}
             table.insert(ncold, 1, p0)
             while #ncold >= 10 do
-                minetest.env:add_node(ncold[#ncold], {name="air"})
+                minetest.add_node(ncold[#ncold], {name="air"})
                 table.remove(ncold, #ncold)
             end
-            minetest.env:add_node(p0, {name="nyancat_rainbow"})
+            minetest.add_node(p0, {name="nyancat_rainbow"})
-            minetest.env:add_node(p1, {name="nyancat", param1=s0[4]})
+            minetest.add_node(p1, {name="nyancat", param1=s0[4]})
-            minetest.env:add_node(p2, {name="air"})
+            minetest.add_node(p2, {name="air"})
             ncpos = p1
         end
     end,
@@ -448,20 +448,20 @@ minetest.register_node("experimental:tester_node_1", {
 	groups = {oddly_breakable_by_hand=2},
 	sounds = default.node_sound_wood_defaults(),
 	-- This was known to cause a bug in minetest.item_place_node() when used
-	-- via minetest.env:place_node(), causing a placer with no position
+	-- via minetest.place_node(), causing a placer with no position
   	paramtype2 = "facedir",
 
 	on_construct = function(pos)
 		experimental.print_to_everything("experimental:tester_node_1:on_construct("..minetest.pos_to_string(pos)..")")
-		local meta = minetest.env:get_meta(pos)
+		local meta = minetest.get_meta(pos)
 		meta:set_string("mine", "test")
-		local timer = minetest.env:get_node_timer(pos)
+		local timer = minetest.get_node_timer(pos)
 		timer:start(4, 3)
 	end,
 
     after_place_node = function(pos, placer)
 		experimental.print_to_everything("experimental:tester_node_1:after_place_node("..minetest.pos_to_string(pos)..")")
-		local meta = minetest.env:get_meta(pos)
+		local meta = minetest.get_meta(pos)
 		if meta:get_string("mine") == "test" then
 			experimental.print_to_everything("correct metadata found")
 		else
@@ -493,14 +493,14 @@ minetest.register_craftitem("experimental:tester_tool_1", {
     on_use = function(itemstack, user, pointed_thing)
 		--print(dump(pointed_thing))
 		if pointed_thing.type == "node" then
-			if minetest.env:get_node(pointed_thing.under).name == "experimental:tester_node_1" then
+			if minetest.get_node(pointed_thing.under).name == "experimental:tester_node_1" then
 				local p = pointed_thing.under
 				minetest.log("action", "Tester tool used at "..minetest.pos_to_string(p))
-				minetest.env:dig_node(p)
+				minetest.dig_node(p)
 			else
 				local p = pointed_thing.above
 				minetest.log("action", "Tester tool used at "..minetest.pos_to_string(p))
-				minetest.env:place_node(p, {name="experimental:tester_node_1"})
+				minetest.place_node(p, {name="experimental:tester_node_1"})
 			end
 		end
 	end,
@@ -556,7 +556,7 @@ minetest.register_chatcommand("test1", {
 	params = "",
 	description = "Test 1: Modify player's inventory view",
 	func = function(name, param)
-		local player = minetest.env:get_player_by_name(name)
+		local player = minetest.get_player_by_name(name)
 		if not player then
 			return
 		end

games/minimal/mods/legacy/init.lua

@@ -79,14 +79,12 @@ minetest.register_craftitem(":rat", {
 	description = "Rat",
 	inventory_image = "rat.png",
 	on_drop = function(item, dropper, pos)
-		minetest.env:add_rat(pos)
 		item:take_item()
 		return item
 	end,
 	on_place = function(item, dropped, pointed)
 		pos = minetest.get_pointed_thing_position(pointed, true)
 		if pos ~= nil then
-			minetest.env:add_rat(pos)
 			item:take_item()
 			return item
 		end
@@ -103,14 +101,12 @@ minetest.register_craftitem(":firefly", {
 	description = "Firefly",
 	inventory_image = "firefly.png",
 	on_drop = function(item, dropper, pos)
-		minetest.env:add_firefly(pos)
 		item:take_item()
 		return item
 	end,
 	on_place = function(item, dropped, pointed)
 		pos = minetest.get_pointed_thing_position(pointed, true)
 		if pos ~= nil then
-			minetest.env:add_firefly(pos)
 			item:take_item()
 			return item
 		end

minetest.conf.example

@@ -12,7 +12,7 @@
 #
 # NOTE: This file might not be up-to-date, refer to the
 #       defaultsettings.cpp file for an up-to-date list:
-# https://bitbucket.org/celeron55/minetest/src/tip/src/defaultsettings.cpp
+# https://github.com/minetest/minetest/blob/master/src/defaultsettings.cpp
 #
 # A vim command to convert most of defaultsettings.cpp to conf file format:
 # :'<,'>s/\tsettings->setDefault("\([^"]*\)", "\([^"]*\)");.*/#\1 = \2/g

mods/minetest/mods_here.txt

@@ -1 +0,0 @@
-You can install Minetest mods by copying (and extracting) them into this folder.

mods/mods_here.txt

@@ -0,0 +1,4 @@
+You can install Minetest mods by copying (and extracting) them into this folder.
+To enable them, go to the configure world window in the main menu or write
+  load_mod_<modname> = true
+in world.mt in the world directory.

po/uk/minetest.po

@@ -51,7 +51,7 @@ msgstr ""
 msgid ""
 "\n"
 "Check debug.txt for details."
-msgstr "Деталі у файлі debug.txt."
+msgstr "\nДеталі у файлі debug.txt."
 
 #: src/guiConfigureWorld.cpp:123
 msgid ""

src/CMakeLists.txt

@@ -206,6 +206,9 @@ configure_file(
 	"${PROJECT_BINARY_DIR}/cmake_config.h"
 )
 
+add_subdirectory(script)
+add_subdirectory(util)
+
 set(common_SRCS
 	rollback_interface.cpp
 	rollback.cpp
@@ -222,22 +225,6 @@ set(common_SRCS
 	itemdef.cpp
 	nodedef.cpp
 	object_properties.cpp
-	scriptapi_types.cpp
-	scriptapi_common.cpp
-	scriptapi_content.cpp
-	scriptapi_craft.cpp
-	scriptapi_node.cpp
-	scriptapi_item.cpp
-	scriptapi_env.cpp
-	scriptapi_nodetimer.cpp
-	scriptapi_noise.cpp
-	scriptapi_entity.cpp
-	scriptapi_object.cpp
-	scriptapi_nodemeta.cpp
-	scriptapi_inventory.cpp
-	scriptapi_particles.cpp
-	scriptapi.cpp
-	script.cpp
 	log.cpp
 	content_sao.cpp
 	emerge.cpp
@@ -283,12 +270,8 @@ set(common_SRCS
 	staticobject.cpp
 	serverlist.cpp
 	pathfinder.cpp
-	util/serialize.cpp
+	${SCRIPT_SRCS}
-	util/directiontables.cpp
+	${UTIL_SRCS}
-	util/numeric.cpp
-	util/pointedthing.cpp
-	util/string.cpp
-	util/timetaker.cpp
 )
 
 # This gives us the icon
@@ -365,6 +348,7 @@ set(minetestserver_SRCS
 
 include_directories(
 	${PROJECT_BINARY_DIR}
+	${PROJECT_SOURCE_DIR}
 	${IRRLICHT_INCLUDE_DIR}
 	${ZLIB_INCLUDE_DIR}
 	${CMAKE_BUILD_TYPE}
@@ -375,6 +359,7 @@ include_directories(
 	${SQLITE3_INCLUDE_DIR}
 	${LUA_INCLUDE_DIR}
 	${JSON_INCLUDE_DIR}
+	${PROJECT_SOURCE_DIR}/script
 )
 
 if(USE_FREETYPE)

src/camera.cpp

@@ -71,7 +71,12 @@ Camera::Camera(scene::ISceneManager* smgr, MapDrawControl& draw_control,
 
 	m_digging_anim(0),
 	m_digging_button(-1),
-	m_dummymesh(createCubeMesh(v3f(1,1,1)))
+	m_dummymesh(createCubeMesh(v3f(1,1,1))),
+
+	m_wield_change_timer(0.125),
+	m_wield_mesh_next(NULL),
+	m_previous_playeritem(-1),
+	m_previous_itemname("")
 {
 	//dstream<<__FUNCTION_NAME<<std::endl;
 
@@ -142,6 +147,22 @@ void Camera::step(f32 dtime)
 			m_view_bobbing_fall = -1; // Mark the effect as finished
 	}
 
+	bool was_under_zero = m_wield_change_timer < 0;
+	if(m_wield_change_timer < 0.125)
+		m_wield_change_timer += dtime;
+	if(m_wield_change_timer > 0.125)
+		m_wield_change_timer = 0.125;
+
+	if(m_wield_change_timer >= 0 && was_under_zero) {
+		if(m_wield_mesh_next) {
+			m_wieldnode->setMesh(m_wield_mesh_next);
+			m_wieldnode->setVisible(true);
+		} else {
+			m_wieldnode->setVisible(false);
+		}
+		m_wield_mesh_next = NULL;
+	}
+
 	if (m_view_bobbing_state != 0)
 	{
 		//f32 offset = dtime * m_view_bobbing_speed * 0.035;
@@ -342,8 +363,7 @@ void Camera::update(LocalPlayer* player, f32 frametime, v2u32 screensize,
 	m_fov_y = fov_degrees * M_PI / 180.0;
 	// Increase vertical FOV on lower aspect ratios (<16:10)
 	m_fov_y *= MYMAX(1.0, MYMIN(1.4, sqrt(16./10. / m_aspect)));
-	// WTF is this? It can't be right
+	m_fov_x = 2 * atan(m_aspect * tan(0.5 * m_fov_y));
-	m_fov_x = 2 * atan(0.5 * m_aspect * tan(m_fov_y));
 	m_cameranode->setAspectRatio(m_aspect);
 	m_cameranode->setFOV(m_fov_y);
 
@@ -352,6 +372,10 @@ void Camera::update(LocalPlayer* player, f32 frametime, v2u32 screensize,
 	v3f wield_position = v3f(55, -35, 65);
 	//v3f wield_rotation = v3f(-100, 120, -100);
 	v3f wield_rotation = v3f(-100, 120, -100);
+	if(m_wield_change_timer < 0)
+		wield_position.Y -= 40 + m_wield_change_timer*320;
+	else
+		wield_position.Y -= 40 - m_wield_change_timer*320;
 	if(m_digging_anim < 0.05 || m_digging_anim > 0.5){
 		f32 frac = 1.0;
 		if(m_digging_anim > 0.5)
@@ -560,18 +584,34 @@ void Camera::setDigging(s32 button)
 		m_digging_button = button;
 }
 
-void Camera::wield(const ItemStack &item)
+void Camera::wield(const ItemStack &item, u16 playeritem)
 {
 	IItemDefManager *idef = m_gamedef->idef();
-	scene::IMesh *wield_mesh = idef->getWieldMesh(item.getDefinition(idef).name, m_gamedef);
+	std::string itemname = item.getDefinition(idef).name;
-	if(wield_mesh)
+	m_wield_mesh_next = idef->getWieldMesh(itemname, m_gamedef);
-	{
+	if(playeritem != m_previous_playeritem &&
-		m_wieldnode->setMesh(wield_mesh);
+			!(m_previous_itemname == "" && itemname == "")) {
-		m_wieldnode->setVisible(true);
+		m_previous_playeritem = playeritem;
-	}
+		m_previous_itemname = itemname;
-	else
+		if(m_wield_change_timer >= 0.125)
-	{
+			m_wield_change_timer = -0.125;
-		m_wieldnode->setVisible(false);
+		else if(m_wield_change_timer > 0) {
+			m_wield_change_timer = -m_wield_change_timer;
+		}
+	} else {
+		if(m_wield_mesh_next) {
+			m_wieldnode->setMesh(m_wield_mesh_next);
+			m_wieldnode->setVisible(true);
+		} else {
+			m_wieldnode->setVisible(false);
+		}
+		m_wield_mesh_next = NULL;
+		if(m_previous_itemname != itemname) {
+			m_previous_itemname = itemname;
+			m_wield_change_timer = 0;
+		}
+		else
+			m_wield_change_timer = 0.125;
 	}
 }
 

src/camera.h

@@ -117,7 +117,7 @@ public:
 	void setDigging(s32 button);
 
 	// Replace the wielded item mesh
-	void wield(const ItemStack &item);
+	void wield(const ItemStack &item, u16 playeritem);
 
 	// Draw the wielded tool.
 	// This has to happen *after* the main scene is drawn.
@@ -178,6 +178,12 @@ private:
 
 	//dummymesh for camera
 	irr::scene::IAnimatedMesh* m_dummymesh;
+
+	// Animation when changing wielded item
+	f32 m_wield_change_timer;
+	scene::IMesh *m_wield_mesh_next;
+	u16 m_previous_playeritem;
+	std::string m_previous_itemname;
 };
 
 #endif

src/client.cpp

@@ -350,6 +350,11 @@ Client::~Client()
 	m_mesh_update_thread.setRun(false);
 	while(m_mesh_update_thread.IsRunning())
 		sleep_ms(100);
+	while(!m_mesh_update_thread.m_queue_out.empty()) {
+		MeshUpdateResult r = m_mesh_update_thread.m_queue_out.pop_front();
+		delete r.mesh;
+	}
+
 
 	delete m_inventory_from_server;
 
@@ -757,6 +762,8 @@ void Client::step(float dtime)
 
 				// Replace with the new mesh
 				block->mesh = r.mesh;
+			} else {
+				delete r.mesh;
 			}
 			if(r.ack_block_to_server)
 			{
@@ -1980,7 +1987,7 @@ void Client::ProcessData(u8 *data, u32 datasize, u16 sender_peer_id)
 
 		event.spawn_particle.expirationtime = expirationtime;
 		event.spawn_particle.size = size;
-		event.add_particlespawner.collisiondetection =
+		event.spawn_particle.collisiondetection =
 				collisiondetection;
 		event.spawn_particle.texture = new std::string(texture);
 
@@ -2129,6 +2136,23 @@ void Client::ProcessData(u8 *data, u32 datasize, u16 sender_peer_id)
 		player->hud_flags &= ~mask;
 		player->hud_flags |= flags;
 	}
+	else if(command == TOCLIENT_HUD_SET_PARAM)
+	{
+		std::string datastring((char *)&data[2], datasize - 2);
+		std::istringstream is(datastring, std::ios_base::binary);
+
+		Player *player = m_env.getLocalPlayer();
+		assert(player != NULL);
+
+		u16 param         = readU16(is);
+		std::string value = deSerializeString(is);
+
+		if(param == HUD_PARAM_HOTBAR_ITEMCOUNT && value.size() == 4){
+			s32 hotbar_itemcount = readS32((u8*) value.c_str());
+			if(hotbar_itemcount > 0 && hotbar_itemcount <= HUD_HOTBAR_ITEMCOUNT_MAX)
+				player->hud_hotbar_itemcount = hotbar_itemcount;
+		}
+	}
 	else
 	{
 		infostream<<"Client: Ignoring unknown command "

src/clientserver.h

@@ -480,6 +480,14 @@ enum ToClientCommand
 		u32 flags
 		u32 mask
 	*/
+
+	TOCLIENT_HUD_SET_PARAM = 0x4d,
+	/*
+		u16 command
+		u16 param
+		u16 len
+		u8[len] value
+	*/
 };
 
 enum ToServerCommand

src/collision.cpp

@@ -298,7 +298,7 @@ collisionMoveResult collisionMoveSimple(Environment *env, IGameDef *gamedef,
 			f32 distance = speed_f.getLength();
 			std::vector<DistanceSortedActiveObject> clientobjects;
 			c_env->getActiveObjects(pos_f,distance * 1.5,clientobjects);
-			for (int i=0; i < clientobjects.size(); i++)
+			for (size_t i=0; i < clientobjects.size(); i++)
 			{
 				if ((self == 0) || (self != clientobjects[i].obj)) {
 					objects.push_back((ActiveObject*)clientobjects[i].obj);

src/content_abm.cpp

@@ -99,14 +99,10 @@ class MakeTreesFromSaplingsABM : public ActiveBlockModifier
 {
 private:
 	content_t c_junglesapling;
-	content_t c_dirt;
-	content_t c_dirt_with_grass;
 	
 public:
 	MakeTreesFromSaplingsABM(ServerEnvironment *env, INodeDefManager *nodemgr) {
-		c_junglesapling   = nodemgr->getId("junglesapling");
+		c_junglesapling = nodemgr->getId("junglesapling");
-		c_dirt            = nodemgr->getId("mapgen_dirt");
-		c_dirt_with_grass = nodemgr->getId("mapgen_dirt_with_grass");
 	}
 
 	virtual std::set<std::string> getTriggerContents()
@@ -127,8 +123,7 @@ public:
 		ServerMap *map = &env->getServerMap();
 		
 		MapNode n_below = map->getNodeNoEx(p - v3s16(0, 1, 0));
-		if (n_below.getContent() != c_dirt &&
+		if (!((ItemGroupList) ndef->get(n_below).groups)["soil"])
-			n_below.getContent() != c_dirt_with_grass)
 			return;
 			
 		bool is_jungle_tree = n.getContent() == c_junglesapling;
@@ -196,17 +191,58 @@ public:
 	virtual void trigger(ServerEnvironment *env, v3s16 p, MapNode n)
 	{
 		ServerMap *map = &env->getServerMap();
-		if (map->transforming_liquid_size() < 500)
+		if (map->transforming_liquid_size() > 500)
-			map->transforming_liquid_add(p);
+			return;
+		map->transforming_liquid_add(p);
 		//if ((*map).m_transforming_liquid.size() < 500) (*map).m_transforming_liquid.push_back(p);
 	}
 };
 
+class LiquidDropABM : public ActiveBlockModifier
+{
+private:
+	std::set<std::string> contents;
+
+public:
+	LiquidDropABM(ServerEnvironment *env, INodeDefManager *nodemgr) 
+	{
+		std::set<content_t> liquids;
+		nodemgr->getIds("group:liquid", liquids);
+		for(std::set<content_t>::const_iterator k = liquids.begin(); k != liquids.end(); k++)
+			contents.insert(nodemgr->get(*k).liquid_alternative_source);
+	}
+	virtual std::set<std::string> getTriggerContents()
+	{ return contents; }
+	virtual std::set<std::string> getRequiredNeighbors()
+	{
+		std::set<std::string> neighbors;
+		neighbors.insert("mapgen_air");
+		return neighbors; 
+	}
+	virtual float getTriggerInterval()
+	{ return 20.0; }
+	virtual u32 getTriggerChance()
+	{ return 10; }
+	virtual void trigger(ServerEnvironment *env, v3s16 p, MapNode n) 
+	{
+		ServerMap *map = &env->getServerMap();
+		if (map->transforming_liquid_size() > 500)
+			return;
+		//todo: look around except top
+		MapNode n_below = map->getNodeNoEx(p - v3s16(0, 1, 0));
+		if (n_below.getContent() != CONTENT_AIR)
+			return;
+		map->transforming_liquid_add(p);
+	}
+};
+
 void add_legacy_abms(ServerEnvironment *env, INodeDefManager *nodedef)
 {
 	env->addActiveBlockModifier(new GrowGrassABM());
 	env->addActiveBlockModifier(new RemoveGrassABM());
 	env->addActiveBlockModifier(new MakeTreesFromSaplingsABM(env, nodedef));
-	if (g_settings->getBool("liquid_finite"))
+	if (g_settings->getBool("liquid_finite")) {
 		env->addActiveBlockModifier(new LiquidFlowABM(env, nodedef));
+		env->addActiveBlockModifier(new LiquidDropABM(env, nodedef));
+	}
 }

src/content_mapblock.cpp

@@ -1188,34 +1188,81 @@ void mapblock_mesh_generate_special(MeshMakeData *data,
 			MapNode n_minus_z_plus_y = data->m_vmanip.getNodeNoEx(blockpos_nodes + v3s16(x, y+1, z-1));
 			MapNode n_plus_z_minus_y = data->m_vmanip.getNodeNoEx(blockpos_nodes + v3s16(x, y-1, z+1));
 			MapNode n_minus_z_minus_y = data->m_vmanip.getNodeNoEx(blockpos_nodes + v3s16(x, y-1, z-1));
-			
+
 			content_t thiscontent = n.getContent();
-			if(n_minus_x.getContent() == thiscontent)
+			std::string groupname = "connect_to_raillike"; // name of the group that enables connecting to raillike nodes of different kind
+			bool self_connect_to_raillike = ((ItemGroupList) nodedef->get(n).groups)[groupname] != 0;
+
+			if ((nodedef->get(n_minus_x).drawtype == NDT_RAILLIKE
+					&& ((ItemGroupList) nodedef->get(n_minus_x).groups)[groupname] != 0
+					&& self_connect_to_raillike)
+					|| n_minus_x.getContent() == thiscontent)
 				is_rail_x[0] = true;
-			if (n_minus_x_minus_y.getContent() == thiscontent)
+
+			if ((nodedef->get(n_minus_x_minus_y).drawtype == NDT_RAILLIKE
+					&& ((ItemGroupList) nodedef->get(n_minus_x_minus_y).groups)[groupname] != 0
+					&& self_connect_to_raillike)
+					|| n_minus_x_minus_y.getContent() == thiscontent)
 				is_rail_x_minus_y[0] = true;
-			if(n_minus_x_plus_y.getContent() == thiscontent)
+
+			if ((nodedef->get(n_minus_x_plus_y).drawtype == NDT_RAILLIKE
+					&& ((ItemGroupList) nodedef->get(n_minus_x_plus_y).groups)[groupname] != 0
+					&& self_connect_to_raillike)
+					|| n_minus_x_plus_y.getContent() == thiscontent)
 				is_rail_x_plus_y[0] = true;
 
-			if(n_plus_x.getContent() == thiscontent)
+			if ((nodedef->get(n_plus_x).drawtype == NDT_RAILLIKE
+					&& ((ItemGroupList) nodedef->get(n_plus_x).groups)[groupname] != 0
+					&& self_connect_to_raillike)
+					|| n_plus_x.getContent() == thiscontent)
 				is_rail_x[1] = true;
-			if (n_plus_x_minus_y.getContent() == thiscontent)
+
+			if ((nodedef->get(n_plus_x_minus_y).drawtype == NDT_RAILLIKE
+					&& ((ItemGroupList) nodedef->get(n_plus_x_minus_y).groups)[groupname] != 0
+					&& self_connect_to_raillike)
+					|| n_plus_x_minus_y.getContent() == thiscontent)
 				is_rail_x_minus_y[1] = true;
-			if(n_plus_x_plus_y.getContent() == thiscontent)
+
+			if ((nodedef->get(n_plus_x_plus_y).drawtype == NDT_RAILLIKE
+					&& ((ItemGroupList) nodedef->get(n_plus_x_plus_y).groups)[groupname] != 0
+					&& self_connect_to_raillike)
+					|| n_plus_x_plus_y.getContent() == thiscontent)
 				is_rail_x_plus_y[1] = true;
 
-			if(n_minus_z.getContent() == thiscontent)
+			if ((nodedef->get(n_minus_z).drawtype == NDT_RAILLIKE
+					&& ((ItemGroupList) nodedef->get(n_minus_z).groups)[groupname] != 0
+					&& self_connect_to_raillike)
+					|| n_minus_z.getContent() == thiscontent)
 				is_rail_z[0] = true;
-			if (n_minus_z_minus_y.getContent() == thiscontent)
+
+			if ((nodedef->get(n_minus_z_minus_y).drawtype == NDT_RAILLIKE
+					&& ((ItemGroupList) nodedef->get(n_minus_z_minus_y).groups)[groupname] != 0
+					&& self_connect_to_raillike)
+					|| n_minus_z_minus_y.getContent() == thiscontent)
 				is_rail_z_minus_y[0] = true;
-			if(n_minus_z_plus_y.getContent() == thiscontent)
+
+			if ((nodedef->get(n_minus_z_plus_y).drawtype == NDT_RAILLIKE
+					&& ((ItemGroupList) nodedef->get(n_minus_z_plus_y).groups)[groupname] != 0
+					&& self_connect_to_raillike)
+					|| n_minus_z_plus_y.getContent() == thiscontent)
 				is_rail_z_plus_y[0] = true;
 
-			if(n_plus_z.getContent() == thiscontent)
+			if ((nodedef->get(n_plus_z).drawtype == NDT_RAILLIKE
+					&& ((ItemGroupList) nodedef->get(n_plus_z).groups)[groupname] != 0
+					&& self_connect_to_raillike)
+					|| n_plus_z.getContent() == thiscontent)
 				is_rail_z[1] = true;
-			if (n_plus_z_minus_y.getContent() == thiscontent)
+
+			if ((nodedef->get(n_plus_z_minus_y).drawtype == NDT_RAILLIKE
+					&& ((ItemGroupList) nodedef->get(n_plus_z_minus_y).groups)[groupname] != 0
+					&& self_connect_to_raillike)
+					|| n_plus_z_minus_y.getContent() == thiscontent)
 				is_rail_z_minus_y[1] = true;
-			if(n_plus_z_plus_y.getContent() == thiscontent)
+
+			if ((nodedef->get(n_plus_z_plus_y).drawtype == NDT_RAILLIKE
+					&& ((ItemGroupList) nodedef->get(n_plus_z_plus_y).groups)[groupname] != 0
+					&& self_connect_to_raillike)
+					|| n_plus_z_plus_y.getContent() == thiscontent)
 				is_rail_z_plus_y[1] = true;
 
 			bool is_rail_x_all[] = {false, false};
@@ -1255,7 +1302,8 @@ void mapblock_mesh_generate_special(MeshMakeData *data,
 				if(is_rail_x_all[0] && is_rail_x_all[1])
 					angle = 90;
 				if(is_rail_z_all[0] && is_rail_z_all[1]){
-					if (n_minus_z_plus_y.getContent() == thiscontent) angle = 180;
+					if (is_rail_z_plus_y[0])
+						angle = 180;
 				}
 				else if(is_rail_x_all[0] && is_rail_z_all[0])
 					angle = 270;

src/content_sao.cpp

@@ -27,7 +27,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 #include "tool.h" // For ToolCapabilities
 #include "gamedef.h"
 #include "player.h"
-#include "scriptapi.h"
+#include "cpp_api/scriptapi.h"
 #include "genericobject.h"
 #include "util/serialize.h"
 
@@ -387,8 +387,7 @@ LuaEntitySAO::LuaEntitySAO(ServerEnvironment *env, v3f pos,
 LuaEntitySAO::~LuaEntitySAO()
 {
 	if(m_registered){
-		lua_State *L = m_env->getLua();
+		ENV_TO_SA(m_env)->luaentity_Remove(m_id);
-		scriptapi_luaentity_rm(L, m_id);
 	}
 }
 
@@ -397,16 +396,15 @@ void LuaEntitySAO::addedToEnvironment(u32 dtime_s)
 	ServerActiveObject::addedToEnvironment(dtime_s);
 	
 	// Create entity from name
-	lua_State *L = m_env->getLua();
+	m_registered = ENV_TO_SA(m_env)->luaentity_Add(m_id, m_init_name.c_str());
-	m_registered = scriptapi_luaentity_add(L, m_id, m_init_name.c_str());
 	
 	if(m_registered){
 		// Get properties
-		scriptapi_luaentity_get_properties(L, m_id, &m_prop);
+		ENV_TO_SA(m_env)->luaentity_GetProperties(m_id, &m_prop);
 		// Initialize HP from properties
 		m_hp = m_prop.hp_max;
 		// Activate entity, supplying serialized state
-		scriptapi_luaentity_activate(L, m_id, m_init_state.c_str(), dtime_s);
+		ENV_TO_SA(m_env)->luaentity_Activate(m_id, m_init_state.c_str(), dtime_s);
 	}
 }
 
@@ -515,8 +513,7 @@ void LuaEntitySAO::step(float dtime, bool send_recommended)
 	}
 
 	if(m_registered){
-		lua_State *L = m_env->getLua();
+		ENV_TO_SA(m_env)->luaentity_Step(m_id, dtime);
-		scriptapi_luaentity_step(L, m_id, dtime);
 	}
 
 	if(send_recommended == false)
@@ -626,8 +623,7 @@ std::string LuaEntitySAO::getStaticData()
 	os<<serializeString(m_init_name);
 	// state
 	if(m_registered){
-		lua_State *L = m_env->getLua();
+		std::string state = ENV_TO_SA(m_env)->luaentity_GetStaticdata(m_id);
-		std::string state = scriptapi_luaentity_get_staticdata(L, m_id);
 		os<<serializeLongString(state);
 	} else {
 		os<<serializeLongString(m_init_state);
@@ -673,8 +669,14 @@ int LuaEntitySAO::punch(v3f dir,
 	{
 		setHP(getHP() - result.damage);
 		
+
+		std::string punchername = "nil";
+
+		if ( puncher != 0 )
+			punchername = puncher->getDescription();
+
 		actionstream<<getDescription()<<" punched by "
-				<<puncher->getDescription()<<", damage "<<result.damage
+				<<punchername<<", damage "<<result.damage
 				<<" hp, health now "<<getHP()<<" hp"<<std::endl;
 		
 		{
@@ -688,8 +690,7 @@ int LuaEntitySAO::punch(v3f dir,
 			m_removed = true;
 	}
 
-	lua_State *L = m_env->getLua();
+	ENV_TO_SA(m_env)->luaentity_Punch(m_id, puncher,
-	scriptapi_luaentity_punch(L, m_id, puncher,
 			time_from_last_punch, toolcap, dir);
 
 	return result.wear;
@@ -702,8 +703,7 @@ void LuaEntitySAO::rightClick(ServerActiveObject *clicker)
 	// It's best that attachments cannot be clicked
 	if(isAttached())
 		return;
-	lua_State *L = m_env->getLua();
+	ENV_TO_SA(m_env)->luaentity_Rightclick(m_id, clicker);
-	scriptapi_luaentity_rightclick(L, m_id, clicker);
 }
 
 void LuaEntitySAO::setPos(v3f pos)
@@ -1307,8 +1307,13 @@ int PlayerSAO::punch(v3f dir,
 	HitParams hitparams = getHitParams(m_armor_groups, toolcap,
 			time_from_last_punch);
 
+	std::string punchername = "nil";
+
+	if ( puncher != 0 )
+		punchername = puncher->getDescription();
+
 	actionstream<<"Player "<<m_player->getName()<<" punched by "
-			<<puncher->getDescription()<<", damage "<<hitparams.hp
+			<<punchername<<", damage "<<hitparams.hp
 			<<" HP"<<std::endl;
 
 	setHP(getHP() - hitparams.hp);

src/emerge.cpp

@@ -32,8 +32,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 #include "mapblock.h"
 #include "serverobject.h"
 #include "settings.h"
-#include "script.h"
+#include "cpp_api/scriptapi.h"
-#include "scriptapi.h"
 #include "profiler.h"
 #include "log.h"
 #include "nodedef.h"
@@ -349,7 +348,7 @@ bool EmergeThread::getBlockOrStartGen(v3s16 p, MapBlock **b,
 
 void *EmergeThread::Thread() {
 	ThreadStarted();
-	log_register_thread("EmergeThread" + id);
+	log_register_thread("EmergeThread" + itos(id));
 	DSTACK(__FUNCTION_NAME);
 	BEGIN_DEBUG_EXCEPTION_HANDLER
 
@@ -418,7 +417,7 @@ void *EmergeThread::Thread() {
 						ign(&m_server->m_ignore_map_edit_events_area,
 						VoxelArea(minp, maxp));
 					{  // takes about 90ms with -O1 on an e3-1230v2
-						scriptapi_environment_on_generated(m_server->m_lua,
+						SERVER_TO_SA(m_server)->environment_OnGenerated(
 								minp, maxp, emerge->getBlockSeed(minp));
 					}
 

src/emerge.h

@@ -31,8 +31,8 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 	infostream << "EmergeThread: " x << std::endl; }
 
 class Mapgen;
-class MapgenParams;
+struct MapgenParams;
-class MapgenFactory;
+struct MapgenFactory;
 class Biome;
 class BiomeDefManager;
 class EmergeThread;

src/environment.cpp

@@ -32,7 +32,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 #include "settings.h"
 #include "log.h"
 #include "profiler.h"
-#include "scriptapi.h"
+#include "cpp_api/scriptapi.h"
 #include "nodedef.h"
 #include "nodemetadata.h"
 #include "main.h" // For g_settings, g_profiler
@@ -320,10 +320,10 @@ void ActiveBlockList::update(std::list<v3s16> &active_positions,
 	ServerEnvironment
 */
 
-ServerEnvironment::ServerEnvironment(ServerMap *map, lua_State *L,
+ServerEnvironment::ServerEnvironment(ServerMap *map, ScriptApi *scriptIface,
 		IGameDef *gamedef, IBackgroundBlockEmerger *emerger):
 	m_map(map),
-	m_lua(L),
+	m_script(scriptIface),
 	m_gamedef(gamedef),
 	m_emerger(emerger),
 	m_random_spawn_timer(3),
@@ -826,7 +826,7 @@ void ServerEnvironment::activateBlock(MapBlock *block, u32 additional_dtime)
 				i != elapsed_timers.end(); i++){
 			n = block->getNodeNoEx(i->first);
 			v3s16 p = i->first + block->getPosRelative();
-			if(scriptapi_node_on_timer(m_lua,p,n,i->second.elapsed))
+			if(m_script->node_on_timer(p,n,i->second.elapsed))
 				block->setNodeTimer(i->first,NodeTimer(i->second.timeout,0));
 		}
 	}
@@ -847,17 +847,17 @@ bool ServerEnvironment::setNode(v3s16 p, const MapNode &n)
 	MapNode n_old = m_map->getNodeNoEx(p);
 	// Call destructor
 	if(ndef->get(n_old).has_on_destruct)
-		scriptapi_node_on_destruct(m_lua, p, n_old);
+		m_script->node_on_destruct(p, n_old);
 	// Replace node
 	bool succeeded = m_map->addNodeWithEvent(p, n);
 	if(!succeeded)
 		return false;
 	// Call post-destructor
 	if(ndef->get(n_old).has_after_destruct)
-		scriptapi_node_after_destruct(m_lua, p, n_old);
+		m_script->node_after_destruct(p, n_old);
 	// Call constructor
 	if(ndef->get(n).has_on_construct)
-		scriptapi_node_on_construct(m_lua, p, n);
+		m_script->node_on_construct(p, n);
 	return true;
 }
 
@@ -867,7 +867,7 @@ bool ServerEnvironment::removeNode(v3s16 p)
 	MapNode n_old = m_map->getNodeNoEx(p);
 	// Call destructor
 	if(ndef->get(n_old).has_on_destruct)
-		scriptapi_node_on_destruct(m_lua, p, n_old);
+		m_script->node_on_destruct(p, n_old);
 	// Replace with air
 	// This is slightly optimized compared to addNodeWithEvent(air)
 	bool succeeded = m_map->removeNodeWithEvent(p);
@@ -875,7 +875,7 @@ bool ServerEnvironment::removeNode(v3s16 p)
 		return false;
 	// Call post-destructor
 	if(ndef->get(n_old).has_after_destruct)
-		scriptapi_node_after_destruct(m_lua, p, n_old);
+		m_script->node_after_destruct(p, n_old);
 	// Air doesn't require constructor
 	return true;
 }
@@ -910,7 +910,6 @@ void ServerEnvironment::clearAllObjects()
 		if(obj->getType() == ACTIVEOBJECT_TYPE_PLAYER)
 			continue;
 		u16 id = i->first;
-		v3f objectpos = obj->getBasePosition();
 		// Delete static object if block is loaded
 		if(obj->m_static_exists){
 			MapBlock *block = m_map->getBlockNoCreateNoEx(obj->m_static_block);
@@ -931,7 +930,7 @@ void ServerEnvironment::clearAllObjects()
 		// Tell the object about removal
 		obj->removingFromEnvironment();
 		// Deregister in scripting api
-		scriptapi_rm_object_reference(m_lua, obj);
+		m_script->removeObjectReference(obj);
 
 		// Delete active object
 		if(obj->environmentDeletes())
@@ -1031,8 +1030,6 @@ void ServerEnvironment::step(float dtime)
 			// Ignore disconnected players
 			if(player->peer_id == 0)
 				continue;
-
-			v3f playerpos = player->getPosition();
 			
 			// Move
 			player->move(dtime, *m_map, 100*BS);
@@ -1162,7 +1159,7 @@ void ServerEnvironment::step(float dtime)
 						i != elapsed_timers.end(); i++){
 					n = block->getNodeNoEx(i->first);
 					p = i->first + block->getPosRelative();
-					if(scriptapi_node_on_timer(m_lua,p,n,i->second.elapsed))
+					if(m_script->node_on_timer(p,n,i->second.elapsed))
 						block->setNodeTimer(i->first,NodeTimer(i->second.timeout,0));
 				}
 			}
@@ -1216,7 +1213,7 @@ void ServerEnvironment::step(float dtime)
 	/*
 		Step script environment (run global on_step())
 	*/
-	scriptapi_environment_step(m_lua, dtime);
+	m_script->environment_Step(dtime);
 
 	/*
 		Step active objects
@@ -1510,7 +1507,7 @@ u16 ServerEnvironment::addActiveObjectRaw(ServerActiveObject *object,
 			<<std::endl;
 	
 	// Register reference in scripting api (must be done before post-init)
-	scriptapi_add_object_reference(m_lua, object);
+	m_script->addObjectReference(object);
 	// Post-initialize object
 	object->addedToEnvironment(dtime_s);
 	
@@ -1598,7 +1595,7 @@ void ServerEnvironment::removeRemovedObjects()
 		// Tell the object about removal
 		obj->removingFromEnvironment();
 		// Deregister in scripting api
-		scriptapi_rm_object_reference(m_lua, obj);
+		m_script->removeObjectReference(obj);
 
 		// Delete
 		if(obj->environmentDeletes())
@@ -1904,7 +1901,7 @@ void ServerEnvironment::deactivateFarObjects(bool force_delete)
 		// Tell the object about removal
 		obj->removingFromEnvironment();
 		// Deregister in scripting api
-		scriptapi_rm_object_reference(m_lua, obj);
+		m_script->removeObjectReference(obj);
 
 		// Delete active object
 		if(obj->environmentDeletes())
@@ -2072,8 +2069,6 @@ void ClientEnvironment::step(float dtime)
 		*/
 		
 		{
-			v3f lplayerpos = lplayer->getPosition();
-			
 			// Apply physics
 			if(free_move == false && is_climbing == false)
 			{
@@ -2174,7 +2169,7 @@ void ClientEnvironment::step(float dtime)
 		v3s16 p2 = floatToInt(pf + v3f(0, BS*0.8, 0), BS);
 		MapNode n2 = m_map->getNodeNoEx(p2);
 		v3s16 p3 = floatToInt(pf + v3f(0, BS*1.6, 0), BS);
-		MapNode n3 = m_map->getNodeNoEx(p2);
+		MapNode n3 = m_map->getNodeNoEx(p3);
 
 		u32 damage_per_second = 0;
 		damage_per_second = MYMAX(damage_per_second,
@@ -2197,7 +2192,6 @@ void ClientEnvironment::step(float dtime)
 			i != m_players.end(); ++i)
 	{
 		Player *player = *i;
-		v3f playerpos = player->getPosition();
 		
 		/*
 			Handle non-local players

src/environment.h

@@ -50,6 +50,7 @@ class IGameDef;
 class Map;
 class ServerMap;
 class ClientMap;
+class ScriptApi;
 
 class Environment
 {
@@ -190,7 +191,7 @@ public:
 class ServerEnvironment : public Environment
 {
 public:
-	ServerEnvironment(ServerMap *map, lua_State *L, IGameDef *gamedef,
+	ServerEnvironment(ServerMap *map, ScriptApi *iface, IGameDef *gamedef,
 			IBackgroundBlockEmerger *emerger);
 	~ServerEnvironment();
 
@@ -198,8 +199,9 @@ public:
 
 	ServerMap & getServerMap();
 
-	lua_State* getLua()
+	//TODO find way to remove this fct!
-		{ return m_lua; }
+	ScriptApi* getScriptIface()
+		{ return m_script; }
 
 	IGameDef *getGameDef()
 		{ return m_gamedef; }
@@ -348,7 +350,7 @@ private:
 	// The map
 	ServerMap *m_map;
 	// Lua state
-	lua_State *m_lua;
+	ScriptApi* m_script;
 	// Game definition
 	IGameDef *m_gamedef;
 	// Background block emerger (the server, in practice)

src/game.cpp

@@ -66,6 +66,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 	#include "sound_openal.h"
 #endif
 #include "event_manager.h"
+#include <iomanip>
 #include <list>
 #include "util/directiontables.h"
 
@@ -134,6 +135,10 @@ struct TextDestPlayerInventory : public TextDest
 		m_client->sendInventoryFields(m_formname, fields);
 	}
 
+	void setFormName(std::string formname) {
+		m_formname = formname;
+	}
+
 	Client *m_client;
 	std::string m_formname;
 };
@@ -847,7 +852,7 @@ void nodePlacementPrediction(Client &client,
 					<<") - Name not known"<<std::endl;
 			return;
 		}
-		// Predict param2
+		// Predict param2 for facedir and wallmounted nodes
 		u8 param2 = 0;
 		if(nodedef->get(id).param_type_2 == CPT2_WALLMOUNTED){
 			v3s16 dir = nodepos - neighbourpos;
@@ -859,8 +864,33 @@ void nodePlacementPrediction(Client &client,
 				param2 = dir.Z < 0 ? 5 : 4;
 			}
 		}
-		// TODO: Facedir prediction
+		if(nodedef->get(id).param_type_2 == CPT2_FACEDIR){
-		// TODO: If predicted node is in attached_node group, check attachment
+			v3s16 dir = nodepos - floatToInt(client.getEnv().getLocalPlayer()->getPosition(), BS);
+			if(abs(dir.X) > abs(dir.Z)){
+				param2 = dir.X < 0 ? 3 : 1;
+			} else {
+				param2 = dir.Z < 0 ? 2 : 0;
+			}
+		}
+		assert(param2 >= 0 && param2 <= 5);
+		//Check attachment if node is in group attached_node
+		if(((ItemGroupList) nodedef->get(id).groups)["attached_node"] != 0){
+			static v3s16 wallmounted_dirs[8] = {
+				v3s16(0,1,0),
+				v3s16(0,-1,0),
+				v3s16(1,0,0),
+				v3s16(-1,0,0),
+				v3s16(0,0,1),
+				v3s16(0,0,-1),
+			};
+			v3s16 pp;
+			if(nodedef->get(id).param_type_2 == CPT2_WALLMOUNTED)
+				pp = p + wallmounted_dirs[param2];
+			else
+				pp = p + v3s16(0,-1,0);
+			if(!nodedef->get(map.getNode(pp)).walkable)
+				return;
+		}
 		// Add node to client map
 		MapNode n(id, 0, param2);
 		try{
@@ -895,6 +925,7 @@ void the_game(
 )
 {
 	FormspecFormSource* current_formspec = 0;
+	TextDestPlayerInventory* current_textdest = 0;
 	video::IVideoDriver* driver = device->getVideoDriver();
 	scene::ISceneManager* smgr = device->getSceneManager();
 	
@@ -1042,7 +1073,7 @@ void the_game(
 		u32 lasttime = device->getTimer()->getTime();
 		while(device->run())
 		{
-			f32 dtime=0; // in seconds
+			f32 dtime = 0.033; // in seconds
 			if (cloud_menu_background) {
 				u32 time = device->getTimer()->getTime();
 				if(time > lasttime)
@@ -1136,7 +1167,7 @@ void the_game(
 		u32 lasttime = device->getTimer()->getTime();
 		while(device->run())
 		{
-			f32 dtime=0; // in seconds
+			f32 dtime = 0.033; // in seconds
 			if (cloud_menu_background) {
 				u32 time = device->getTimer()->getTime();
 				if(time > lasttime)
@@ -1962,7 +1993,7 @@ void the_game(
 		{
 			s32 wheel = input->getMouseWheel();
 			u16 max_item = MYMIN(PLAYER_INVENTORY_SIZE-1,
-					hud.hotbar_itemcount-1);
+					player->hud_hotbar_itemcount-1);
 
 			if(wheel < 0)
 			{
@@ -1986,7 +2017,7 @@ void the_game(
 			const KeyPress *kp = NumberKey + (i + 1) % 10;
 			if(input->wasKeyDown(*kp))
 			{
-				if(i < PLAYER_INVENTORY_SIZE && i < hud.hotbar_itemcount)
+				if(i < PLAYER_INVENTORY_SIZE && i < player->hud_hotbar_itemcount)
 				{
 					new_playeritem = i;
 
@@ -2211,19 +2242,23 @@ void the_game(
 					if (current_formspec == 0)
 					{
 						/* Create menu */
+						/* Note: FormspecFormSource and TextDestPlayerInventory
+						 * are deleted by guiFormSpecMenu                     */
 						current_formspec = new FormspecFormSource(*(event.show_formspec.formspec),&current_formspec);
-
+						current_textdest = new TextDestPlayerInventory(&client,*(event.show_formspec.formname));
 						GUIFormSpecMenu *menu =
 								new GUIFormSpecMenu(device, guiroot, -1,
 										&g_menumgr,
 										&client, gamedef);
 						menu->setFormSource(current_formspec);
-						menu->setTextDest(new TextDestPlayerInventory(&client,*(event.show_formspec.formname)));
+						menu->setTextDest(current_textdest);
 						menu->drop();
 					}
 					else
 					{
+						assert(current_textdest != 0);
 						/* update menu */
+						current_textdest->setFormName(*(event.show_formspec.formname));
 						current_formspec->setForm(*(event.show_formspec.formspec));
 					}
 					delete(event.show_formspec.formspec);
@@ -2927,21 +2962,20 @@ void the_game(
 			static float endscenetime_avg = 0;
 			endscenetime_avg = endscenetime_avg * 0.95 + (float)endscenetime*0.05;*/
 			
-			char temptext[300];
+			std::ostringstream os(std::ios_base::binary);
-			snprintf(temptext, 300, "%s ("
+			os<<std::fixed
-					"R: range_all=%i"
+				<<program_name_and_version
-					")"
+				<<" (R: range_all="<<draw_control.range_all<<")"
-					" drawtime=%.0f, dtime_jitter = % .1f %%"
+				<<std::setprecision(0)
-					", v_range = %.1f, RTT = %.3f",
+				<<" drawtime = "<<drawtime_avg
-					program_name_and_version,
+				<<std::setprecision(1)
-					draw_control.range_all,
+				<<", dtime_jitter = "
-					drawtime_avg,
+				<<(dtime_jitter1_max_fraction * 100.0)<<" %"
-					dtime_jitter1_max_fraction * 100.0,
+				<<std::setprecision(1)
-					draw_control.wanted_range,
+				<<", v_range = "<<draw_control.wanted_range
-					client.getRTT()
+				<<std::setprecision(3)
-					);
+				<<", RTT = "<<client.getRTT();
-			
+			guitext->setText(narrow_to_wide(os.str()).c_str());
-			guitext->setText(narrow_to_wide(temptext).c_str());
 			guitext->setVisible(true);
 		}
 		else if(show_hud || show_chat)
@@ -2956,17 +2990,15 @@ void the_game(
 		
 		if(show_debug)
 		{
-			char temptext[300];
+			std::ostringstream os(std::ios_base::binary);
-			snprintf(temptext, 300,
+			os<<std::setprecision(1)<<std::fixed
-					"(% .1f, % .1f, % .1f)"
+				<<"(" <<(player_position.X/BS)
-					" (yaw = %.1f) (seed = %llu)",
+				<<", "<<(player_position.Y/BS)
-					player_position.X/BS,
+				<<", "<<(player_position.Z/BS)
-					player_position.Y/BS,
+				<<") (yaw="<<(wrapDegrees_0_360(camera_yaw))
-					player_position.Z/BS,
+				<<") (seed = "<<((unsigned long long)client.getMapSeed())
-					wrapDegrees_0_360(camera_yaw),
+				<<")";
-					(unsigned long long)client.getMapSeed());
+			guitext2->setText(narrow_to_wide(os.str()).c_str());
-
-			guitext2->setText(narrow_to_wide(temptext).c_str());
 			guitext2->setVisible(true);
 		}
 		else
@@ -3084,7 +3116,7 @@ void the_game(
 			ItemStack item;
 			if(mlist != NULL)
 				item = mlist->getItem(client.getPlayerItem());
-			camera.wield(item);
+			camera.wield(item, client.getPlayerItem());
 		}
 
 		/*

src/guiChatConsole.cpp

@@ -121,7 +121,9 @@ GUIChatConsole::GUIChatConsole(
 
 GUIChatConsole::~GUIChatConsole()
 {
-	delete m_font;
+#if USE_FREETYPE
+	m_font->drop();
+#endif
 }
 
 void GUIChatConsole::openConsole(f32 height)

src/guiConfigureWorld.cpp

@@ -116,40 +116,18 @@ GUIConfigureWorld::GUIConfigureWorld(gui::IGUIEnvironment* env,
 		// mod_names
 		if(!mod.is_modpack &&
 		   mod_names.count(modname) == 0)
-			m_new_mod_names.insert(modname);
+			m_settings.setBool("load_mod_"+modname, false);
 	}
-	if(!m_new_mod_names.empty())
-	{
-		wchar_t* text = wgettext("Warning: Some mods are not configured yet.\n"
-				"They will be enabled by default when you save the configuration.  ");
-		GUIMessageMenu *menu = 
-			new GUIMessageMenu(Environment, Parent, -1, m_menumgr, text);
-		menu->drop();
-		delete[] text;
-	}
-	
-
 	// find missing mods (mentioned in world.mt, but not installed)
-	std::set<std::string> missing_mods;
 	for(std::set<std::string>::iterator it = mod_names.begin();
 		it != mod_names.end(); ++it)
 	{
 		std::string modname = *it;
 		if(m_addonmods.count(modname) == 0)
-			missing_mods.insert(modname);
+			m_settings.remove("load_mod_"+modname);
 	}
-	if(!missing_mods.empty())
+	std::string worldmtfile = m_wspec.path+DIR_DELIM+"world.mt";
-	{
+	m_settings.updateConfigFile(worldmtfile.c_str());
-		wchar_t* text = wgettext("Warning: Some configured mods are missing.\n"
-				"Their setting will be removed when you save the configuration.  ");
-		GUIMessageMenu *menu = 
-			new GUIMessageMenu(Environment, Parent, -1, m_menumgr, text);
-		delete[] text;
-		for(std::set<std::string>::iterator it = missing_mods.begin();
-			it != missing_mods.end(); ++it)
-			m_settings.remove("load_mod_"+(*it));
-		menu->drop();
-	}	
 }
 
 void GUIConfigureWorld::drawMenu()
@@ -187,8 +165,6 @@ void GUIConfigureWorld::regenerateGui(v2u32 screensize)
 	DesiredRect = rect;
 	recalculateAbsolutePosition(false);
 
-	v2s32 size = rect.getSize();
-
 	v2s32 topleft = v2s32(10, 10);
 
 	/*
@@ -388,11 +364,6 @@ bool GUIConfigureWorld::OnEvent(const SEvent& event)
 				return true;
 			}
 			case GUI_ID_SAVE: {
-				for(std::set<std::string>::iterator it = m_new_mod_names.begin();
-					it!= m_new_mod_names.end(); ++it)
-				{
-					m_settings.setBool("load_mod_"+(*it),true);
-				}
 				std::string worldmtfile = m_wspec.path+DIR_DELIM+"world.mt";
 				m_settings.updateConfigFile(worldmtfile.c_str());
 
@@ -558,22 +529,14 @@ void GUIConfigureWorld::buildTreeView(std::map<std::string, ModSpec> mods,
 			buildTreeView(mod.modpack_content, new_node);
 		else
 		{
-			// set icon for node: ? for new mods, x for disabled mods,
+			// set icon for node: x for disabled mods, checkmark for enabled mods
-			// checkmark for enabled mods
+			bool mod_enabled = false;
-			if(m_new_mod_names.count(modname) > 0)
+			if(m_settings.exists("load_mod_"+modname))
-			{
+				mod_enabled = m_settings.getBool("load_mod_"+modname);
-				new_node->setIcon(QUESTIONMARK_STR);
+			if(mod_enabled)
-			}
+				new_node->setIcon(CHECKMARK_STR);
 			else
-			{
+				new_node->setIcon(CROSS_STR);
-				bool mod_enabled = true;
-				if(m_settings.exists("load_mod_"+modname))
-					mod_enabled = m_settings.getBool("load_mod_"+modname);
-				if(mod_enabled)
-					new_node->setIcon(CHECKMARK_STR);
-				else 
-					new_node->setIcon(CROSS_STR);
-			}
 		}
 	}
 }
@@ -690,7 +653,6 @@ void GUIConfigureWorld::enableMod(std::string modname)
 		m_nodes.find(modname);
 	if(it != m_nodes.end())
 		(*it).second->setIcon(CHECKMARK_STR);
-	m_new_mod_names.erase(modname);
 	//also enable all dependencies
 	for(std::set<std::string>::iterator it=mspec.depends.begin();
 		it != mspec.depends.end(); ++it)
@@ -715,7 +677,6 @@ void GUIConfigureWorld::disableMod(std::string modname)
 		m_nodes.find(modname);
  	if(it != m_nodes.end())
 		(*it).second->setIcon(CROSS_STR);
-	m_new_mod_names.erase(modname);
 	//also disable all mods that depend on this one
 	std::pair<std::multimap<std::string, std::string>::iterator, 
 			  std::multimap<std::string, std::string>::iterator > rdep = 

src/guiConfigureWorld.h

@@ -69,9 +69,6 @@ private:
 	// the settings in the world.mt file
 	Settings m_settings;
 
-	// mods that are installed but not mentioned in world.mt file
-	std::set<std::string> m_new_mod_names;
-
 	// maps modnames to nodes in m_treeview
 	std::map<std::string,gui::IGUITreeViewNode*> m_nodes;
 

src/guiCreateWorld.cpp

@@ -112,8 +112,6 @@ void GUICreateWorld::regenerateGui(v2u32 screensize)
 	DesiredRect = rect;
 	recalculateAbsolutePosition(false);
 
-	v2s32 size = rect.getSize();
-
 	v2s32 topleft = v2s32(10+80, 10+70);
 
 	/*
@@ -137,6 +135,9 @@ void GUICreateWorld::regenerateGui(v2u32 screensize)
 		evt.EventType = EET_KEY_INPUT_EVENT;
 		evt.KeyInput.Key = KEY_END;
 		evt.KeyInput.PressedDown = true;
+		evt.KeyInput.Char = 0;
+		evt.KeyInput.Control = 0;
+		evt.KeyInput.Shift = 0;
 		e->OnEvent(evt);
 	}
 	{

src/guiFormSpecMenu.cpp

@@ -418,9 +418,12 @@ void GUIFormSpecMenu::regenerateGui(v2u32 screensize)
 					e->setTextAlignment(gui::EGUIA_UPPERLEFT, gui::EGUIA_UPPERLEFT);
 				} else {
 					irr::SEvent evt;
-					evt.KeyInput.Key = KEY_END;
 					evt.EventType = EET_KEY_INPUT_EVENT;
+					evt.KeyInput.Key = KEY_END;
 					evt.KeyInput.PressedDown = true;
+					evt.KeyInput.Char = 0;
+					evt.KeyInput.Control = 0;
+					evt.KeyInput.Shift = 0;
 					e->OnEvent(evt);
 				}
 

src/guiMainMenu.cpp

@@ -54,11 +54,11 @@ const wchar_t *contrib_core_strs[] = {
 	L"Lisa Milne (darkrose) <lisa@ltmnet.com>",
 	L"Maciej Kasatkin (RealBadAngel) <mk@realbadangel.pl>",
 	L"proller <proler@gmail.com>",
-	L"sfan5 <sfan5@live.de>"
+	L"sfan5 <sfan5@live.de>",
+	L"kahrl <kahrl@gmx.net>"
 };
 
 const wchar_t *contrib_active_strs[] = {
-	L"kahrl <kahrl@gmx.net>",
 	L"sapier <sapier@gmx.net>",
 	L"Vanessa Ezekowitz (VanessaE) <vanessaezekowitz@gmail.com>",
 	L"Jurgen Doser (doserj) <jurgen.doser@gmail.com>",

src/guiPasswordChange.cpp

@@ -95,7 +95,6 @@ void GUIPasswordChange::regenerateGui(v2u32 screensize)
 
 	v2s32 size = rect.getSize();
 	v2s32 topleft_client(40, 0);
-	v2s32 size_client = size - v2s32(40, 0);
 
 	/*
 		Add stuff

src/guiTextInputMenu.cpp

@@ -121,6 +121,9 @@ void GUITextInputMenu::regenerateGui(v2u32 screensize)
 		evt.EventType = EET_KEY_INPUT_EVENT;
 		evt.KeyInput.Key = KEY_END;
 		evt.KeyInput.PressedDown = true;
+		evt.KeyInput.Char = 0;
+		evt.KeyInput.Control = 0;
+		evt.KeyInput.Shift = 0;
 		e->OnEvent(evt);
 	}
 	changeCtype("");

src/guiVolumeChange.cpp

@@ -96,7 +96,6 @@ void GUIVolumeChange::regenerateGui(v2u32 screensize)
 
 	v2s32 size = rect.getSize();
 	v2s32 topleft_client(40, 0);
-	v2s32 size_client = size - v2s32(40, 0);
 	int volume=(int)(g_settings->getFloat("sound_volume")*100);
 	/*
 		Add stuff

src/hud.cpp

@@ -43,7 +43,6 @@ Hud::Hud(video::IVideoDriver *driver, gui::IGUIEnvironment* guienv,
 	screensize       = v2u32(0, 0);
 	displaycenter    = v2s32(0, 0);
 	hotbar_imagesize = 48;
-	hotbar_itemcount = 8;
 	
 	tsrc = gamedef->getTextureSource();
 	
@@ -286,6 +285,7 @@ void Hud::drawHotbar(v2s32 centerlowerpos, s32 halfheartcount, u16 playeritem) {
 		return;
 	}
 	
+	s32 hotbar_itemcount = player->hud_hotbar_itemcount;
 	s32 padding = hotbar_imagesize / 12;
 	s32 width = hotbar_itemcount * (hotbar_imagesize + padding * 2);
 	v2s32 pos = centerlowerpos - v2s32(width / 2, hotbar_imagesize + padding * 2);

src/hud.h

@@ -36,6 +36,11 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 #define HUD_FLAG_CROSSHAIR_VISIBLE (1 << 2)
 #define HUD_FLAG_WIELDITEM_VISIBLE (1 << 3)
 
+#define HUD_PARAM_HOTBAR_ITEMCOUNT 1
+
+#define HUD_HOTBAR_ITEMCOUNT_DEFAULT 8
+#define HUD_HOTBAR_ITEMCOUNT_MAX     23
+
 class Player;
 
 enum HudElementType {
@@ -46,7 +51,7 @@ enum HudElementType {
 };
 
 enum HudElementStat {
-	HUD_STAT_POS,
+	HUD_STAT_POS = 0,
 	HUD_STAT_NAME,
 	HUD_STAT_SCALE,
 	HUD_STAT_TEXT,
@@ -102,7 +107,6 @@ public:
 	v2u32 screensize;
 	v2s32 displaycenter;
 	s32 hotbar_imagesize;
-	s32 hotbar_itemcount;
 	
 	video::SColor crosshair_argb;
 	video::SColor selectionbox_argb;

src/inventorymanager.cpp

@@ -20,7 +20,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 #include "inventorymanager.h"
 #include "log.h"
 #include "environment.h"
-#include "scriptapi.h"
+#include "cpp_api/scriptapi.h"
 #include "serverobject.h"
 #include "main.h"  // for g_settings
 #include "settings.h"
@@ -226,9 +226,8 @@ void IMoveAction::apply(InventoryManager *mgr, ServerActiveObject *player, IGame
 			to_inv.type == InventoryLocation::DETACHED &&
 			from_inv.name == to_inv.name)
 	{
-		lua_State *L = player->getEnv()->getLua();
+		src_can_take_count = PLAYER_TO_SA(player)->detached_inventory_AllowMove(
-		src_can_take_count = scriptapi_detached_inventory_allow_move(
+				from_inv.name, from_list, from_i,
-				L, from_inv.name, from_list, from_i,
 				to_list, to_i, try_take_count, player);
 		dst_can_put_count = src_can_take_count;
 	}
@@ -237,20 +236,18 @@ void IMoveAction::apply(InventoryManager *mgr, ServerActiveObject *player, IGame
 		// Destination is detached
 		if(to_inv.type == InventoryLocation::DETACHED)
 		{
-			lua_State *L = player->getEnv()->getLua();
 			ItemStack src_item = list_from->getItem(from_i);
 			src_item.count = try_take_count;
-			dst_can_put_count = scriptapi_detached_inventory_allow_put(
+			dst_can_put_count = PLAYER_TO_SA(player)->detached_inventory_AllowPut(
-					L, to_inv.name, to_list, to_i, src_item, player);
+					to_inv.name, to_list, to_i, src_item, player);
 		}
 		// Source is detached
 		if(from_inv.type == InventoryLocation::DETACHED)
 		{
-			lua_State *L = player->getEnv()->getLua();
 			ItemStack src_item = list_from->getItem(from_i);
 			src_item.count = try_take_count;
-			src_can_take_count = scriptapi_detached_inventory_allow_take(
+			src_can_take_count = PLAYER_TO_SA(player)->detached_inventory_AllowTake(
-					L, from_inv.name, from_list, from_i, src_item, player);
+					from_inv.name, from_list, from_i, src_item, player);
 		}
 	}
 
@@ -262,9 +259,8 @@ void IMoveAction::apply(InventoryManager *mgr, ServerActiveObject *player, IGame
 			to_inv.type == InventoryLocation::NODEMETA &&
 			from_inv.p == to_inv.p)
 	{
-		lua_State *L = player->getEnv()->getLua();
+		src_can_take_count = PLAYER_TO_SA(player)->nodemeta_inventory_AllowMove(
-		src_can_take_count = scriptapi_nodemeta_inventory_allow_move(
+				from_inv.p, from_list, from_i,
-				L, from_inv.p, from_list, from_i,
 				to_list, to_i, try_take_count, player);
 		dst_can_put_count = src_can_take_count;
 	}
@@ -273,20 +269,18 @@ void IMoveAction::apply(InventoryManager *mgr, ServerActiveObject *player, IGame
 		// Destination is nodemeta
 		if(to_inv.type == InventoryLocation::NODEMETA)
 		{
-			lua_State *L = player->getEnv()->getLua();
 			ItemStack src_item = list_from->getItem(from_i);
 			src_item.count = try_take_count;
-			dst_can_put_count = scriptapi_nodemeta_inventory_allow_put(
+			dst_can_put_count = PLAYER_TO_SA(player)->nodemeta_inventory_AllowPut(
-					L, to_inv.p, to_list, to_i, src_item, player);
+					to_inv.p, to_list, to_i, src_item, player);
 		}
 		// Source is nodemeta
 		if(from_inv.type == InventoryLocation::NODEMETA)
 		{
-			lua_State *L = player->getEnv()->getLua();
 			ItemStack src_item = list_from->getItem(from_i);
 			src_item.count = try_take_count;
-			src_can_take_count = scriptapi_nodemeta_inventory_allow_take(
+			src_can_take_count = PLAYER_TO_SA(player)->nodemeta_inventory_AllowTake(
-					L, from_inv.p, from_list, from_i, src_item, player);
+					from_inv.p, from_list, from_i, src_item, player);
 		}
 	}
 
@@ -412,9 +406,8 @@ void IMoveAction::apply(InventoryManager *mgr, ServerActiveObject *player, IGame
 			to_inv.type == InventoryLocation::DETACHED &&
 			from_inv.name == to_inv.name)
 	{
-		lua_State *L = player->getEnv()->getLua();
+		PLAYER_TO_SA(player)->detached_inventory_OnMove(
-		scriptapi_detached_inventory_on_move(
+				from_inv.name, from_list, from_i,
-				L, from_inv.name, from_list, from_i,
 				to_list, to_i, count, player);
 	}
 	else
@@ -422,16 +415,14 @@ void IMoveAction::apply(InventoryManager *mgr, ServerActiveObject *player, IGame
 		// Destination is detached
 		if(to_inv.type == InventoryLocation::DETACHED)
 		{
-			lua_State *L = player->getEnv()->getLua();
+			PLAYER_TO_SA(player)->detached_inventory_OnPut(
-			scriptapi_detached_inventory_on_put(
+					to_inv.name, to_list, to_i, src_item, player);
-					L, to_inv.name, to_list, to_i, src_item, player);
 		}
 		// Source is detached
 		if(from_inv.type == InventoryLocation::DETACHED)
 		{
-			lua_State *L = player->getEnv()->getLua();
+			PLAYER_TO_SA(player)->detached_inventory_OnTake(
-			scriptapi_detached_inventory_on_take(
+					from_inv.name, from_list, from_i, src_item, player);
-					L, from_inv.name, from_list, from_i, src_item, player);
 		}
 	}
 
@@ -442,25 +433,22 @@ void IMoveAction::apply(InventoryManager *mgr, ServerActiveObject *player, IGame
 			to_inv.type == InventoryLocation::NODEMETA &&
 			from_inv.p == to_inv.p)
 	{
-		lua_State *L = player->getEnv()->getLua();
+		PLAYER_TO_SA(player)->nodemeta_inventory_OnMove(
-		scriptapi_nodemeta_inventory_on_move(
+				from_inv.p, from_list, from_i,
-				L, from_inv.p, from_list, from_i,
 				to_list, to_i, count, player);
 	}
 	else{
 		// Destination is nodemeta
 		if(to_inv.type == InventoryLocation::NODEMETA)
 		{
-			lua_State *L = player->getEnv()->getLua();
+			PLAYER_TO_SA(player)->nodemeta_inventory_OnPut(
-			scriptapi_nodemeta_inventory_on_put(
+					to_inv.p, to_list, to_i, src_item, player);
-					L, to_inv.p, to_list, to_i, src_item, player);
 		}
 		// Source is nodemeta
 		else if(from_inv.type == InventoryLocation::NODEMETA)
 		{
-			lua_State *L = player->getEnv()->getLua();
+			PLAYER_TO_SA(player)->nodemeta_inventory_OnTake(
-			scriptapi_nodemeta_inventory_on_take(
+					from_inv.p, from_list, from_i, src_item, player);
-					L, from_inv.p, from_list, from_i, src_item, player);
 		}
 	}
 	
@@ -563,21 +551,19 @@ void IDropAction::apply(InventoryManager *mgr, ServerActiveObject *player, IGame
 	// Source is detached
 	if(from_inv.type == InventoryLocation::DETACHED)
 	{
-		lua_State *L = player->getEnv()->getLua();
 		ItemStack src_item = list_from->getItem(from_i);
 		src_item.count = take_count;
-		src_can_take_count = scriptapi_detached_inventory_allow_take(
+		src_can_take_count = PLAYER_TO_SA(player)->detached_inventory_AllowTake(
-				L, from_inv.name, from_list, from_i, src_item, player);
+				from_inv.name, from_list, from_i, src_item, player);
 	}
 
 	// Source is nodemeta
 	if(from_inv.type == InventoryLocation::NODEMETA)
 	{
-		lua_State *L = player->getEnv()->getLua();
 		ItemStack src_item = list_from->getItem(from_i);
 		src_item.count = take_count;
-		src_can_take_count = scriptapi_nodemeta_inventory_allow_take(
+		src_can_take_count = PLAYER_TO_SA(player)->nodemeta_inventory_AllowTake(
-				L, from_inv.p, from_list, from_i, src_item, player);
+				from_inv.p, from_list, from_i, src_item, player);
 	}
 
 	if(src_can_take_count != -1 && src_can_take_count < take_count)
@@ -590,7 +576,7 @@ void IDropAction::apply(InventoryManager *mgr, ServerActiveObject *player, IGame
 	// Drop the item
 	ItemStack item1 = list_from->getItem(from_i);
 	item1.count = take_count;
-	if(scriptapi_item_on_drop(player->getEnv()->getLua(), item1, player,
+	if(PLAYER_TO_SA(player)->item_OnDrop(item1, player,
 				player->getBasePosition() + v3f(0,1,0)))
 	{
 		actually_dropped_count = take_count - item1.count;
@@ -627,17 +613,15 @@ void IDropAction::apply(InventoryManager *mgr, ServerActiveObject *player, IGame
 	// Source is detached
 	if(from_inv.type == InventoryLocation::DETACHED)
 	{
-		lua_State *L = player->getEnv()->getLua();
+		PLAYER_TO_SA(player)->detached_inventory_OnTake(
-		scriptapi_detached_inventory_on_take(
+				from_inv.name, from_list, from_i, src_item, player);
-				L, from_inv.name, from_list, from_i, src_item, player);
 	}
 
 	// Source is nodemeta
 	if(from_inv.type == InventoryLocation::NODEMETA)
 	{
-		lua_State *L = player->getEnv()->getLua();
+		PLAYER_TO_SA(player)->nodemeta_inventory_OnTake(
-		scriptapi_nodemeta_inventory_on_take(
+				from_inv.p, from_list, from_i, src_item, player);
-				L, from_inv.p, from_list, from_i, src_item, player);
 	}
 
 	/*

src/jthread/jmutex.h

@@ -57,6 +57,7 @@ public:
 	int Lock();
 	int Unlock();
 	bool IsInitialized() 						{ return initialized; }
+
 private:
 #if (defined(WIN32) || defined(_WIN32_WCE))
 #ifdef JMUTEX_CRITICALSECTION
@@ -66,6 +67,14 @@ private:
 #endif // JMUTEX_CRITICALSECTION
 #else // pthread mutex
 	pthread_mutex_t mutex;
+
+	bool IsLocked() {
+		if (pthread_mutex_trylock(&mutex)) {
+			pthread_mutex_unlock(&mutex);
+			return true;
+		}
+		return false;
+	}
 #endif // WIN32
 	bool initialized;
 };

src/localplayer.cpp

@@ -73,6 +73,7 @@ void LocalPlayer::move(f32 dtime, ClientEnvironment *env, f32 pos_max_d,
 	if(isAttached)
 	{
 		setPosition(overridePosition);
+		m_sneak_node_exists = false;
 		return;
 	}
 
@@ -85,6 +86,7 @@ void LocalPlayer::move(f32 dtime, ClientEnvironment *env, f32 pos_max_d,
 	{
         position += m_speed * dtime;
 		setPosition(position);
+		m_sneak_node_exists = false;
 		return;
 	}
 

src/main.cpp

@@ -1845,7 +1845,9 @@ int main(int argc, char *argv[])
 
 					MenuMusicFetcher soundfetcher;
 					ISoundManager *sound = NULL;
+#if USE_SOUND
 					sound = createOpenALSoundManager(&soundfetcher);
+#endif
 					if(!sound)
 						sound = &dummySoundManager;
 					SimpleSoundSpec spec;
@@ -1940,6 +1942,9 @@ int main(int argc, char *argv[])
 						sound = NULL;
 					}
 
+					// Save controls status
+					menu->readInput(&menudata);
+
 					infostream<<"Dropping main menu"<<std::endl;
 
 					menu->drop();
@@ -2145,7 +2150,9 @@ int main(int argc, char *argv[])
 	*/
 	device->drop();
 
-	delete font;
+#if USE_FREETYPE
+	font->drop();
+#endif
 
 #endif // !SERVER
 	

src/map.cpp

@@ -288,10 +288,10 @@ void Map::unspreadLight(enum LightBank bank,
 			continue;
 
 		// Calculate relative position in block
-		v3s16 relpos = pos - blockpos_last * MAP_BLOCKSIZE;
+		//v3s16 relpos = pos - blockpos_last * MAP_BLOCKSIZE;
 
 		// Get node straight from the block
-		MapNode n = block->getNode(relpos);
+		//MapNode n = block->getNode(relpos);
 
 		u8 oldlight = j->second;
 
@@ -937,7 +937,7 @@ void Map::addNodeAndUpdate(v3s16 p, MapNode n,
 	*/
 
 	v3s16 toppos = p + v3s16(0,1,0);
-	v3s16 bottompos = p + v3s16(0,-1,0);
+	//v3s16 bottompos = p + v3s16(0,-1,0);
 
 	bool node_under_sunlight = true;
 	std::set<v3s16> light_sources;
@@ -1246,7 +1246,7 @@ void Map::removeNodeAndUpdate(v3s16 p,
 		// Get the brightest neighbour node and propagate light from it
 		v3s16 n2p = getBrightestNeighbour(bank, p);
 		try{
-			MapNode n2 = getNode(n2p);
+			//MapNode n2 = getNode(n2p);
 			lightNeighbors(bank, n2p, modified_blocks);
 		}
 		catch(InvalidPositionException &e)
@@ -1755,7 +1755,7 @@ void Map::transformLiquidsFinite(std::map<v3s16, MapBlock*> & modified_blocks)
 		}
 
 		//relax up
-		if (relax && p0.Y <= water_level && liquid_levels[D_TOP] == 0 &&
+		if (relax && ((p0.Y == water_level) || (fast_flood && p0.Y <= water_level)) && liquid_levels[D_TOP] == 0 &&
 			liquid_levels[D_BOTTOM] == LIQUID_LEVEL_SOURCE &&
 			total_level >= LIQUID_LEVEL_SOURCE * can_liquid_same_level-
 			(can_liquid_same_level - relax) &&
@@ -2831,7 +2831,7 @@ ServerMapSector * ServerMap::createSector(v2s16 p2d)
 	sector = new ServerMapSector(this, p2d, m_gamedef);
 
 	// Sector position on map in nodes
-	v2s16 nodepos2d = p2d * MAP_BLOCKSIZE;
+	//v2s16 nodepos2d = p2d * MAP_BLOCKSIZE;
 
 	/*
 		Insert to container

src/mapgen.cpp

@@ -71,6 +71,12 @@ Ore *createOre(OreType type) {
 }
 
 
+Ore::~Ore() {
+	delete np;
+	delete noise;
+}
+
+
 void Ore::resolveNodeNames(INodeDefManager *ndef) {
 	if (ore == CONTENT_IGNORE) {
 		ore = ndef->getId(ore_name);
@@ -347,23 +353,18 @@ bool MapgenV6Params::readParams(Settings *settings) {
 	freq_desert = settings->getFloat("mgv6_freq_desert");
 	freq_beach  = settings->getFloat("mgv6_freq_beach");
 
-	np_terrain_base   = settings->getNoiseParams("mgv6_np_terrain_base");
+	bool success = 
-	np_terrain_higher = settings->getNoiseParams("mgv6_np_terrain_higher");
+		settings->getNoiseParams("mgv6_np_terrain_base",   np_terrain_base)   &&
-	np_steepness      = settings->getNoiseParams("mgv6_np_steepness");
+		settings->getNoiseParams("mgv6_np_terrain_higher", np_terrain_higher) &&
-	np_height_select  = settings->getNoiseParams("mgv6_np_height_select");
+		settings->getNoiseParams("mgv6_np_steepness",      np_steepness)      &&
-	np_mud            = settings->getNoiseParams("mgv6_np_mud");
+		settings->getNoiseParams("mgv6_np_height_select",  np_height_select)  &&
-	np_beach          = settings->getNoiseParams("mgv6_np_beach");
+		settings->getNoiseParams("mgv6_np_mud",            np_mud)            &&
-	np_biome          = settings->getNoiseParams("mgv6_np_biome");
+		settings->getNoiseParams("mgv6_np_beach",          np_beach)          &&
-	np_cave           = settings->getNoiseParams("mgv6_np_cave");
+		settings->getNoiseParams("mgv6_np_biome",          np_biome)          &&
-	np_humidity       = settings->getNoiseParams("mgv6_np_humidity");
+		settings->getNoiseParams("mgv6_np_cave",           np_cave)           &&
-	np_trees          = settings->getNoiseParams("mgv6_np_trees");
+		settings->getNoiseParams("mgv6_np_humidity",       np_humidity)       &&
-	np_apple_trees    = settings->getNoiseParams("mgv6_np_apple_trees");
+		settings->getNoiseParams("mgv6_np_trees",          np_trees)          &&
-
+		settings->getNoiseParams("mgv6_np_apple_trees",    np_apple_trees);
-	bool success =
-		np_terrain_base  && np_terrain_higher && np_steepness &&
-		np_height_select && np_trees          && np_mud       &&
-		np_beach         && np_biome          && np_cave      &&
-		np_humidity      && np_apple_trees;
 	return success;
 }
 
@@ -387,16 +388,13 @@ void MapgenV6Params::writeParams(Settings *settings) {
 
 
 bool MapgenV7Params::readParams(Settings *settings) {
-	np_terrain_base    = settings->getNoiseParams("mgv7_np_terrain_base");
+	bool success = 
-	np_terrain_alt     = settings->getNoiseParams("mgv7_np_terrain_alt");
+		settings->getNoiseParams("mgv7_np_terrain_base",    np_terrain_base)    &&
-	np_terrain_mod     = settings->getNoiseParams("mgv7_np_terrain_mod");
+		settings->getNoiseParams("mgv7_np_terrain_alt",     np_terrain_alt)     &&
-	np_terrain_persist = settings->getNoiseParams("mgv7_np_terrain_persist");
+		settings->getNoiseParams("mgv7_np_terrain_mod",     np_terrain_mod)     &&
-	np_height_select   = settings->getNoiseParams("mgv7_np_height_select");
+		settings->getNoiseParams("mgv7_np_terrain_persist", np_terrain_persist) &&
-	np_ridge           = settings->getNoiseParams("mgv7_np_ridge");
+		settings->getNoiseParams("mgv7_np_height_select",   np_height_select)   &&
-	
+		settings->getNoiseParams("mgv7_np_ridge",           np_ridge);
-	bool success =
-		np_terrain_base    && np_terrain_alt   && np_terrain_mod &&
-		np_terrain_persist && np_height_select && np_ridge;
 	return success;
 }
 

src/mapgen.h

@@ -74,7 +74,8 @@ struct MapgenParams {
 	}
 	
 	virtual bool readParams(Settings *settings) = 0;
-	virtual void writeParams(Settings *settings) {};
+	virtual void writeParams(Settings *settings) = 0;
+	virtual ~MapgenParams() {}
 };
 
 class Mapgen {
@@ -86,6 +87,8 @@ public:
 	ManualMapVoxelManipulator *vm;
 	INodeDefManager *ndef;
 
+	virtual ~Mapgen() {}
+
 	void updateLiquid(UniqueQueue<v3s16> *trans_liquid, v3s16 nmin, v3s16 nmax);
 	void setLighting(v3s16 nmin, v3s16 nmax, u8 light);
 	void lightSpread(VoxelArea &a, v3s16 p, u8 light);
@@ -105,6 +108,7 @@ struct MapgenFactory {
 	virtual Mapgen *createMapgen(int mgid, MapgenParams *params,
 								 EmergeManager *emerge) = 0;
 	virtual MapgenParams *createMapgenParams() = 0;
+	virtual ~MapgenFactory() {}
 };
 
 enum OreType {
@@ -140,6 +144,8 @@ public:
 		noise   = NULL;
 	}
 	
+	virtual ~Ore();
+	
 	void resolveNodeNames(INodeDefManager *ndef);
 	void placeOre(Mapgen *mg, u32 blockseed, v3s16 nmin, v3s16 nmax);
 	virtual void generate(ManualMapVoxelManipulator *vm, int seed,
@@ -147,11 +153,13 @@ public:
 };
 
 class OreScatter : public Ore {
+	~OreScatter() {}
 	virtual void generate(ManualMapVoxelManipulator *vm, int seed,
 						u32 blockseed, v3s16 nmin, v3s16 nmax);
 };
 
 class OreSheet : public Ore {
+	~OreSheet() {}
 	virtual void generate(ManualMapVoxelManipulator *vm, int seed,
 						u32 blockseed, v3s16 nmin, v3s16 nmax);
 };

src/mapgen_indev.cpp

@@ -84,17 +84,14 @@ void NoiseIndev::transformNoiseMapFarScale(float xx, float yy, float zz) {
 MapgenIndev::MapgenIndev(int mapgenid, MapgenIndevParams *params, EmergeManager *emerge) 
 	: MapgenV6(mapgenid, params, emerge)
 {
-        noiseindev_terrain_base   = new NoiseIndev(params->npindev_terrain_base,   seed, csize.X, csize.Z);
+	noiseindev_terrain_base    = new NoiseIndev(&params->npindev_terrain_base,   seed, csize.X, csize.Z);
-        noiseindev_terrain_higher = new NoiseIndev(params->npindev_terrain_higher, seed, csize.X, csize.Z);
+	noiseindev_terrain_higher  = new NoiseIndev(&params->npindev_terrain_higher, seed, csize.X, csize.Z);
-        noiseindev_steepness      = new NoiseIndev(params->npindev_steepness,      seed, csize.X, csize.Z);
+	noiseindev_steepness       = new NoiseIndev(&params->npindev_steepness,      seed, csize.X, csize.Z);
-//        noise_height_select  = new Noise(params->np_height_select,  seed, csize.X, csize.Y);
+	noiseindev_mud             = new NoiseIndev(&params->npindev_mud,            seed, csize.X, csize.Z);
-//        noise_trees          = new Noise(params->np_trees,          seed, csize.X, csize.Y);
+	noiseindev_float_islands1  = new NoiseIndev(&params->npindev_float_islands1, seed, csize.X, csize.Y, csize.Z);
-        noiseindev_mud            = new NoiseIndev(params->npindev_mud,            seed, csize.X, csize.Z);
+	noiseindev_float_islands2  = new NoiseIndev(&params->npindev_float_islands2, seed, csize.X, csize.Y, csize.Z);
-//        noise_beach          = new Noise(params->np_beach,          seed, csize.X, csize.Y);
+	noiseindev_float_islands3  = new NoiseIndev(&params->npindev_float_islands3, seed, csize.X, csize.Z);
-        noiseindev_float_islands1  = new NoiseIndev(params->npindev_float_islands1,  seed, csize.X, csize.Y, csize.Z);
+	noiseindev_biome           = new NoiseIndev(&params->npindev_biome,          seed, csize.X, csize.Z);
-        noiseindev_float_islands2  = new NoiseIndev(params->npindev_float_islands2,  seed, csize.X, csize.Y, csize.Z);
-        noiseindev_float_islands3  = new NoiseIndev(params->npindev_float_islands3,  seed, csize.X, csize.Z);
-        noiseindev_biome          = new NoiseIndev(params->npindev_biome,          seed, csize.X, csize.Z);
 }
 
 MapgenIndev::~MapgenIndev() {
@@ -170,46 +167,41 @@ void MapgenIndev::calculateNoise() {
 }
 
 bool MapgenIndevParams::readParams(Settings *settings) {
-        freq_desert = settings->getFloat("mgv6_freq_desert");
+	freq_desert = settings->getFloat("mgv6_freq_desert");
-        freq_beach  = settings->getFloat("mgv6_freq_beach");
+	freq_beach  = settings->getFloat("mgv6_freq_beach");
 
-        npindev_terrain_base   = settings->getNoiseIndevParams("mgindev_np_terrain_base");
+	bool success = 
-        npindev_terrain_higher = settings->getNoiseIndevParams("mgindev_np_terrain_higher");
+		settings->getNoiseIndevParams("mgindev_np_terrain_base",   npindev_terrain_base)   &&
-        npindev_steepness      = settings->getNoiseIndevParams("mgindev_np_steepness");
+		settings->getNoiseIndevParams("mgindev_np_terrain_higher", npindev_terrain_higher) &&
-        np_height_select  = settings->getNoiseParams("mgv6_np_height_select");
+		settings->getNoiseIndevParams("mgindev_np_steepness",      npindev_steepness)      &&
-        np_trees          = settings->getNoiseParams("mgv6_np_trees");
+		settings->getNoiseParams("mgv6_np_height_select",          np_height_select)       &&
-        npindev_mud            = settings->getNoiseIndevParams("mgindev_np_mud");
+		settings->getNoiseParams("mgv6_np_trees",                  np_trees)               &&
-        np_beach          = settings->getNoiseParams("mgv6_np_beach");
+		settings->getNoiseIndevParams("mgindev_np_mud",            npindev_mud)            &&
-        npindev_biome     = settings->getNoiseIndevParams("mgindev_np_biome");
+		settings->getNoiseParams("mgv6_np_beach",                  np_beach)               &&
-        np_cave           = settings->getNoiseParams("mgv6_np_cave");
+		settings->getNoiseIndevParams("mgindev_np_biome",          npindev_biome)          &&
-        npindev_float_islands1  = settings->getNoiseIndevParams("mgindev_np_float_islands1");
+		settings->getNoiseParams("mgv6_np_cave",                   np_cave)                &&
-        npindev_float_islands2  = settings->getNoiseIndevParams("mgindev_np_float_islands2");
+		settings->getNoiseIndevParams("mgindev_np_float_islands1", npindev_float_islands1) &&
-        npindev_float_islands3  = settings->getNoiseIndevParams("mgindev_np_float_islands3");
+		settings->getNoiseIndevParams("mgindev_np_float_islands2", npindev_float_islands2) &&
-
+		settings->getNoiseIndevParams("mgindev_np_float_islands3", npindev_float_islands3);
-        bool success =
+	return success;
-                npindev_terrain_base  && npindev_terrain_higher && npindev_steepness &&
-                np_height_select && np_trees          && npindev_mud       &&
-                np_beach         && np_biome          && np_cave &&
-                npindev_float_islands1 && npindev_float_islands2 && npindev_float_islands3;
-        return success;
 }
 
 void MapgenIndevParams::writeParams(Settings *settings) {
-        settings->setFloat("mgv6_freq_desert", freq_desert);
+	settings->setFloat("mgv6_freq_desert", freq_desert);
-        settings->setFloat("mgv6_freq_beach",  freq_beach);
+	settings->setFloat("mgv6_freq_beach",  freq_beach);
 
-        settings->setNoiseIndevParams("mgindev_np_terrain_base",   npindev_terrain_base);
+	settings->setNoiseIndevParams("mgindev_np_terrain_base",   npindev_terrain_base);
-        settings->setNoiseIndevParams("mgindev_np_terrain_higher", npindev_terrain_higher);
+	settings->setNoiseIndevParams("mgindev_np_terrain_higher", npindev_terrain_higher);
-        settings->setNoiseIndevParams("mgindev_np_steepness",      npindev_steepness);
+	settings->setNoiseIndevParams("mgindev_np_steepness",      npindev_steepness);
-        settings->setNoiseParams("mgv6_np_height_select",  np_height_select);
+	settings->setNoiseParams("mgv6_np_height_select",          np_height_select);
-        settings->setNoiseParams("mgv6_np_trees",          np_trees);
+	settings->setNoiseParams("mgv6_np_trees",                  np_trees);
-        settings->setNoiseIndevParams("mgindev_np_mud",            npindev_mud);
+	settings->setNoiseIndevParams("mgindev_np_mud",            npindev_mud);
-        settings->setNoiseParams("mgv6_np_beach",          np_beach);
+	settings->setNoiseParams("mgv6_np_beach",                  np_beach);
-        settings->setNoiseIndevParams("mgindev_np_biome",          npindev_biome);
+	settings->setNoiseIndevParams("mgindev_np_biome",          npindev_biome);
-        settings->setNoiseParams("mgv6_np_cave",           np_cave);
+	settings->setNoiseParams("mgv6_np_cave",                   np_cave);
-        settings->setNoiseIndevParams("mgindev_np_float_islands1",  npindev_float_islands1);
+	settings->setNoiseIndevParams("mgindev_np_float_islands1", npindev_float_islands1);
-        settings->setNoiseIndevParams("mgindev_np_float_islands2",  npindev_float_islands2);
+	settings->setNoiseIndevParams("mgindev_np_float_islands2", npindev_float_islands2);
-        settings->setNoiseIndevParams("mgindev_np_float_islands3",  npindev_float_islands3);
+	settings->setNoiseIndevParams("mgindev_np_float_islands3", npindev_float_islands3);
 }
 
 

src/mapgen_indev.h

@@ -32,30 +32,33 @@ struct NoiseIndevParams : public NoiseParams {
 	float farscale;
 	float farspread;
 
-	NoiseIndevParams(){}
+	NoiseIndevParams() {}
-	NoiseIndevParams(float offset_, float scale_, v3f spread_, int seed_, int octaves_, float persist_, float farscale_ = 1, float farspread_ = 1)
+	NoiseIndevParams(float offset_, float scale_, v3f spread_,
+					 int seed_, int octaves_, float persist_,
+					  float farscale_ = 1, float farspread_ = 1)
 	{
-		offset = offset_;
+		offset  = offset_;
-		scale = scale_;
+		scale   = scale_;
-		spread = spread_;
+		spread  = spread_;
-		seed = seed_;
+		seed    = seed_;
 		octaves = octaves_;
 		persist = persist_;
 
-		farscale = farscale_;
+		farscale  = farscale_;
 		farspread = farspread_;
 	}
-
+	
+	~NoiseIndevParams() {}
 };
 
-#define getNoiseIndevParams(x) getStruct<NoiseIndevParams>((x), "f,f,v3,s32,s32,f,f,f")
+#define getNoiseIndevParams(x, y) getStruct((x), "f,f,v3,s32,s32,f,f,f", &(y), sizeof(y))
-#define setNoiseIndevParams(x, y) setStruct((x), "f,f,v3,s32,s32,f,f,f", (y))
+#define setNoiseIndevParams(x, y) setStruct((x), "f,f,v3,s32,s32,f,f,f", &(y))
 
 class NoiseIndev : public Noise {
-    public:
+public:
 	NoiseIndevParams *npindev;
 
-	//NoiseIndev() {};
+	virtual ~NoiseIndev() {};
 	NoiseIndev(NoiseIndevParams *np, int seed, int sx, int sy);
 	NoiseIndev(NoiseIndevParams *np, int seed, int sx, int sy, int sz);
 	void init(NoiseIndevParams *np, int seed, int sx, int sy, int sz);
@@ -77,34 +80,34 @@ extern NoiseIndevParams nparams_indev_def_float_islands;
 */
 
 struct MapgenIndevParams : public MapgenV6Params {
-	NoiseIndevParams *npindev_terrain_base;
+	NoiseIndevParams npindev_terrain_base;
-	NoiseIndevParams *npindev_terrain_higher;
+	NoiseIndevParams npindev_terrain_higher;
-	NoiseIndevParams *npindev_steepness;
+	NoiseIndevParams npindev_steepness;
 	//NoiseParams *np_height_select;
 	//NoiseParams *np_trees;
-	NoiseIndevParams *npindev_mud;
+	NoiseIndevParams npindev_mud;
 	//NoiseParams *np_beach;
-	NoiseIndevParams *npindev_biome;
+	NoiseIndevParams npindev_biome;
 	//NoiseParams *np_cave;
-	NoiseIndevParams *npindev_float_islands1;
+	NoiseIndevParams npindev_float_islands1;
-	NoiseIndevParams *npindev_float_islands2;
+	NoiseIndevParams npindev_float_islands2;
-	NoiseIndevParams *npindev_float_islands3;
+	NoiseIndevParams npindev_float_islands3;
 
 	MapgenIndevParams() {
 		//freq_desert       = 0.45;
 		//freq_beach        = 0.15;
-		npindev_terrain_base   = &nparams_indev_def; //&nparams_indev_def_terrain_base;
+		npindev_terrain_base   = nparams_indev_def; //&nparams_indev_def_terrain_base;
-		npindev_terrain_higher = &nparams_indev_def; //&nparams_indev_def_terrain_higher;
+		npindev_terrain_higher = nparams_indev_def; //&nparams_indev_def_terrain_higher;
-		npindev_steepness      = &nparams_indev_def; //&nparams_indev_def_steepness;
+		npindev_steepness      = nparams_indev_def; //&nparams_indev_def_steepness;
 		//np_height_select  = &nparams_v6_def_height_select;
 		//np_trees          = &nparams_v6_def_trees;
-		npindev_mud            = &nparams_indev_def; //&nparams_indev_def_mud;
+		npindev_mud            = nparams_indev_def; //&nparams_indev_def_mud;
 		//np_beach          = &nparams_v6_def_beach;
-		npindev_biome          = &nparams_indev_def; //&nparams_indev_def_biome;
+		npindev_biome          = nparams_indev_def; //&nparams_indev_def_biome;
 		//np_cave           = &nparams_v6_def_cave;
-		npindev_float_islands1  = &nparams_indev_def; //&nparams_indev_def_float_islands;
+		npindev_float_islands1  = nparams_indev_def; //&nparams_indev_def_float_islands;
-		npindev_float_islands2  = &nparams_indev_def; //&nparams_indev_def_float_islands;
+		npindev_float_islands2  = nparams_indev_def; //&nparams_indev_def_float_islands;
-		npindev_float_islands3  = &nparams_indev_def; //&nparams_indev_def_float_islands;
+		npindev_float_islands3  = nparams_indev_def; //&nparams_indev_def_float_islands;
 
 	}
 

src/mapgen_singlenode.h

@@ -24,8 +24,8 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 
 struct MapgenSinglenodeParams : public MapgenParams {
 	
-	MapgenSinglenodeParams() {
+	MapgenSinglenodeParams() {}
-	}
+	~MapgenSinglenodeParams() {}
 	
 	bool readParams(Settings *settings);
 	void writeParams(Settings *settings);

src/mapgen_v6.cpp

@@ -80,18 +80,18 @@ MapgenV6::MapgenV6(int mapgenid, MapgenV6Params *params, EmergeManager *emerge)
 
 	this->ystride = csize.X; //////fix this
 
-	np_cave        = params->np_cave;
+	np_cave        = &params->np_cave;
-	np_humidity    = params->np_humidity;
+	np_humidity    = &params->np_humidity;
-	np_trees       = params->np_trees;
+	np_trees       = &params->np_trees;
-	np_apple_trees = params->np_apple_trees;
+	np_apple_trees = &params->np_apple_trees;
 
-	noise_terrain_base   = new Noise(params->np_terrain_base,   seed, csize.X, csize.Y);
+	noise_terrain_base   = new Noise(&params->np_terrain_base,   seed, csize.X, csize.Y);
-	noise_terrain_higher = new Noise(params->np_terrain_higher, seed, csize.X, csize.Y);
+	noise_terrain_higher = new Noise(&params->np_terrain_higher, seed, csize.X, csize.Y);
-	noise_steepness      = new Noise(params->np_steepness,      seed, csize.X, csize.Y);
+	noise_steepness      = new Noise(&params->np_steepness,      seed, csize.X, csize.Y);
-	noise_height_select  = new Noise(params->np_height_select,  seed, csize.X, csize.Y);
+	noise_height_select  = new Noise(&params->np_height_select,  seed, csize.X, csize.Y);
-	noise_mud            = new Noise(params->np_mud,            seed, csize.X, csize.Y);
+	noise_mud            = new Noise(&params->np_mud,            seed, csize.X, csize.Y);
-	noise_beach          = new Noise(params->np_beach,          seed, csize.X, csize.Y);
+	noise_beach          = new Noise(&params->np_beach,          seed, csize.X, csize.Y);
-	noise_biome          = new Noise(params->np_biome,          seed, csize.X, csize.Y);
+	noise_biome          = new Noise(&params->np_biome,          seed, csize.X, csize.Y);
 }
 
 
@@ -375,8 +375,6 @@ void MapgenV6::makeChunk(BlockMakeData *data) {
 	v3s16 blockpos = data->blockpos_requested;
 	v3s16 blockpos_min = data->blockpos_min;
 	v3s16 blockpos_max = data->blockpos_max;
-	v3s16 blockpos_full_min = blockpos_min - v3s16(1,1,1);
-	v3s16 blockpos_full_max = blockpos_max + v3s16(1,1,1);
 
 	// Area of central chunk
 	node_min = blockpos_min*MAP_BLOCKSIZE;

src/mapgen_v6.h

@@ -45,35 +45,36 @@ extern NoiseParams nparams_v6_def_apple_trees;
 struct MapgenV6Params : public MapgenParams {
 	float freq_desert;
 	float freq_beach;
-	NoiseParams *np_terrain_base;
+	NoiseParams np_terrain_base;
-	NoiseParams *np_terrain_higher;
+	NoiseParams np_terrain_higher;
-	NoiseParams *np_steepness;
+	NoiseParams np_steepness;
-	NoiseParams *np_height_select;
+	NoiseParams np_height_select;
-	NoiseParams *np_mud;
+	NoiseParams np_mud;
-	NoiseParams *np_beach;
+	NoiseParams np_beach;
-	NoiseParams *np_biome;
+	NoiseParams np_biome;
-	NoiseParams *np_cave;
+	NoiseParams np_cave;
-	NoiseParams *np_humidity;
+	NoiseParams np_humidity;
-	NoiseParams *np_trees;
+	NoiseParams np_trees;
-	NoiseParams *np_apple_trees;
+	NoiseParams np_apple_trees;
 	
 	MapgenV6Params() {
 		freq_desert       = 0.45;
 		freq_beach        = 0.15;
-		np_terrain_base   = &nparams_v6_def_terrain_base;
+		np_terrain_base   = nparams_v6_def_terrain_base;
-		np_terrain_higher = &nparams_v6_def_terrain_higher;
+		np_terrain_higher = nparams_v6_def_terrain_higher;
-		np_steepness      = &nparams_v6_def_steepness;
+		np_steepness      = nparams_v6_def_steepness;
-		np_height_select  = &nparams_v6_def_height_select;
+		np_height_select  = nparams_v6_def_height_select;
-		np_mud            = &nparams_v6_def_mud;
+		np_mud            = nparams_v6_def_mud;
-		np_beach          = &nparams_v6_def_beach;
+		np_beach          = nparams_v6_def_beach;
-		np_biome          = &nparams_v6_def_biome;
+		np_biome          = nparams_v6_def_biome;
-		np_cave           = &nparams_v6_def_cave;
+		np_cave           = nparams_v6_def_cave;
-		np_humidity       = &nparams_v6_def_humidity;
+		np_humidity       = nparams_v6_def_humidity;
-		np_trees          = &nparams_v6_def_trees;
+		np_trees          = nparams_v6_def_trees;
-		np_apple_trees    = &nparams_v6_def_apple_trees;
+		np_apple_trees    = nparams_v6_def_apple_trees;
-
 	}
 	
+	~MapgenV6Params() {}
+	
 	bool readParams(Settings *settings);
 	void writeParams(Settings *settings);
 };

src/mapgen_v7.cpp

@@ -85,12 +85,12 @@ MapgenV7::MapgenV7(int mapgenid, MapgenV7Params *params, EmergeManager *emerge)
 	this->ridge_heightmap = new s16[csize.X * csize.Z];
 
 	// Terrain noise
-	noise_terrain_base    = new Noise(params->np_terrain_base,    seed, csize.X, csize.Z);
+	noise_terrain_base    = new Noise(&params->np_terrain_base,    seed, csize.X, csize.Z);
-	noise_terrain_alt     = new Noise(params->np_terrain_alt,     seed, csize.X, csize.Z);
+	noise_terrain_alt     = new Noise(&params->np_terrain_alt,     seed, csize.X, csize.Z);
-	noise_terrain_mod     = new Noise(params->np_terrain_mod,     seed, csize.X, csize.Z);
+	noise_terrain_mod     = new Noise(&params->np_terrain_mod,     seed, csize.X, csize.Z);
-	noise_terrain_persist = new Noise(params->np_terrain_persist, seed, csize.X, csize.Z);
+	noise_terrain_persist = new Noise(&params->np_terrain_persist, seed, csize.X, csize.Z);
-	noise_height_select   = new Noise(params->np_height_select,   seed, csize.X, csize.Z);
+	noise_height_select   = new Noise(&params->np_height_select,   seed, csize.X, csize.Z);
-	noise_ridge           = new Noise(params->np_ridge, seed, csize.X, csize.Y, csize.Z);
+	noise_ridge           = new Noise(&params->np_ridge, seed, csize.X, csize.Y, csize.Z);
 	
 	// Biome noise
 	noise_heat     = new Noise(bmgr->np_heat,     seed, csize.X, csize.Z);
@@ -152,8 +152,6 @@ void MapgenV7::makeChunk(BlockMakeData *data) {
 	
 	v3s16 blockpos_min = data->blockpos_min;
 	v3s16 blockpos_max = data->blockpos_max;
-	v3s16 blockpos_full_min = blockpos_min - v3s16(1, 1, 1);
-	v3s16 blockpos_full_max = blockpos_max + v3s16(1, 1, 1);
 	node_min = blockpos_min * MAP_BLOCKSIZE;
 	node_max = (blockpos_max + v3s16(1, 1, 1)) * MAP_BLOCKSIZE - v3s16(1, 1, 1);
 	full_node_min = (blockpos_min - 1) * MAP_BLOCKSIZE;

src/mapgen_v7.h

@@ -30,22 +30,24 @@ extern NoiseParams nparams_v7_def_height_select;
 extern NoiseParams nparams_v7_def_ridge;
 
 struct MapgenV7Params : public MapgenParams {
-	NoiseParams *np_terrain_base;
+	NoiseParams np_terrain_base;
-	NoiseParams *np_terrain_alt;
+	NoiseParams np_terrain_alt;
-	NoiseParams *np_terrain_mod;
+	NoiseParams np_terrain_mod;
-	NoiseParams *np_terrain_persist;
+	NoiseParams np_terrain_persist;
-	NoiseParams *np_height_select;
+	NoiseParams np_height_select;
-	NoiseParams *np_ridge;
+	NoiseParams np_ridge;
 	
 	MapgenV7Params() {
-		np_terrain_base    = &nparams_v7_def_terrain_base;
+		np_terrain_base    = nparams_v7_def_terrain_base;
-		np_terrain_alt     = &nparams_v7_def_terrain_alt;
+		np_terrain_alt     = nparams_v7_def_terrain_alt;
-		np_terrain_mod     = &nparams_v7_def_terrain_mod;
+		np_terrain_mod     = nparams_v7_def_terrain_mod;
-		np_terrain_persist = &nparams_v7_def_terrain_persist;
+		np_terrain_persist = nparams_v7_def_terrain_persist;
-		np_height_select   = &nparams_v7_def_height_select;
+		np_height_select   = nparams_v7_def_height_select;
-		np_ridge           = &nparams_v7_def_ridge;
+		np_ridge           = nparams_v7_def_ridge;
 	}
 	
+	~MapgenV7Params() {}
+	
 	bool readParams(Settings *settings);
 	void writeParams(Settings *settings);
 };

src/mods.cpp

@@ -220,7 +220,7 @@ ModConfiguration::ModConfiguration(std::string worldpath)
 	Settings worldmt_settings;
 	worldmt_settings.readConfigFile(worldmt.c_str());
 	std::vector<std::string> names = worldmt_settings.getNames();
-	std::set<std::string> exclude_mod_names;
+	std::set<std::string> include_mod_names;
 	for(std::vector<std::string>::iterator it = names.begin(); 
 		it != names.end(); ++it)
 	{	
@@ -229,14 +229,13 @@ ModConfiguration::ModConfiguration(std::string worldpath)
 		// explicitely excluded. if mod is not mentioned at all, it is
 		// enabled. So by default, all installed mods are enabled.
 		if (name.compare(0,9,"load_mod_") == 0 &&
-			!worldmt_settings.getBool(name))
+			worldmt_settings.getBool(name))
 		{
-			exclude_mod_names.insert(name.substr(9));
+			include_mod_names.insert(name.substr(9));
 		}
 	}
 
-	// Collect all mods in gamespec.addon_mods_paths,
+	// Collect all mods that are also in include_mod_names
-	// excluding those in the set exclude_mod_names
 	std::vector<ModSpec> addon_mods;
 	for(std::set<std::string>::const_iterator it_path = gamespec.addon_mods_paths.begin();
 			it_path != gamespec.addon_mods_paths.end(); ++it_path)
@@ -246,10 +245,13 @@ ModConfiguration::ModConfiguration(std::string worldpath)
 			it != addon_mods_in_path.end(); ++it)
 		{
 			ModSpec& mod = *it;
-			if(exclude_mod_names.count(mod.name) == 0)
+			if(include_mod_names.count(mod.name) != 0)
 				addon_mods.push_back(mod);
+			else
+				worldmt_settings.setBool("load_mod_" + mod.name, false);
 		}
 	}
+	worldmt_settings.updateConfigFile(worldmt.c_str());
 
 	addMods(addon_mods);
 
@@ -307,7 +309,7 @@ void ModConfiguration::addMods(std::vector<ModSpec> new_mods)
 				// BAD CASE: name conflict in different levels.
 				u32 oldindex = existing_mods[mod.name];
 				const ModSpec &oldmod = m_unsatisfied_mods[oldindex];
-				errorstream<<"WARNING: Mod name conflict detected: \""
+				actionstream<<"WARNING: Mod name conflict detected: \""
 					<<mod.name<<"\""<<std::endl
 					<<"Will not load: "<<oldmod.path<<std::endl
 					<<"Overridden by: "<<mod.path<<std::endl;

src/noise.h

@@ -72,8 +72,8 @@ struct NoiseParams {
 
 
 // Convenience macros for getting/setting NoiseParams in Settings
-#define getNoiseParams(x) getStruct<NoiseParams>((x), "f,f,v3,s32,s32,f")
+#define getNoiseParams(x, y) getStruct((x), "f,f,v3,s32,s32,f", &(y), sizeof(y))
-#define setNoiseParams(x, y) setStruct((x), "f,f,v3,s32,s32,f", (y))
+#define setNoiseParams(x, y) setStruct((x), "f,f,v3,s32,s32,f", &(y))
 
 class Noise {
 public:
@@ -88,7 +88,7 @@ public:
 
 	Noise(NoiseParams *np, int seed, int sx, int sy);
 	Noise(NoiseParams *np, int seed, int sx, int sy, int sz);
-	~Noise();
+	virtual ~Noise();
 
 	virtual void init(NoiseParams *np, int seed, int sx, int sy, int sz);
 	void setSize(int sx, int sy);

src/player.cpp

@@ -81,6 +81,8 @@ Player::Player(IGameDef *gamedef):
 
 	hud_flags = HUD_FLAG_HOTBAR_VISIBLE | HUD_FLAG_HEALTHBAR_VISIBLE |
 			 HUD_FLAG_CROSSHAIR_VISIBLE | HUD_FLAG_WIELDITEM_VISIBLE;
+
+	hud_hotbar_itemcount = HUD_HOTBAR_ITEMCOUNT_DEFAULT;
 }
 
 Player::~Player()

src/player.h

@@ -87,7 +87,7 @@ class Map;
 class IGameDef;
 struct CollisionInfo;
 class PlayerSAO;
-class HudElement;
+struct HudElement;
 
 class Player
 {
@@ -250,6 +250,7 @@ public:
 	
 	std::vector<HudElement *> hud;
 	u32 hud_flags;
+	s32 hud_hotbar_itemcount;
 
 protected:
 	IGameDef *m_gamedef;

src/script.cpp

@@ -1,126 +0,0 @@
-/*
-Minetest
-Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com>
-
-This program is free software; you can redistribute it and/or modify
-it under the terms of the GNU Lesser General Public License as published by
-the Free Software Foundation; either version 2.1 of the License, or
-(at your option) any later version.
-
-This program is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-GNU Lesser General Public License for more details.
-
-You should have received a copy of the GNU Lesser General Public License along
-with this program; if not, write to the Free Software Foundation, Inc.,
-51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
-*/
-
-#include "script.h"
-#include <cstdarg>
-#include <cstring>
-#include <cstdio>
-#include <cstdlib>
-#include "log.h"
-#include <iostream>
-
-extern "C" {
-#include <lua.h>
-#include <lualib.h>
-#include <lauxlib.h>
-}
-
-LuaError::LuaError(lua_State *L, const std::string &s)
-{
-	m_s = "LuaError: ";
-	m_s += s + "\n";
-	m_s += script_get_backtrace(L);
-}
-
-std::string script_get_backtrace(lua_State *L)
-{
-	std::string s;
-	lua_getfield(L, LUA_GLOBALSINDEX, "debug");
-	if(lua_istable(L, -1)){
-		lua_getfield(L, -1, "traceback");
-		if(lua_isfunction(L, -1)){
-			lua_call(L, 0, 1);
-			if(lua_isstring(L, -1)){
-				s += lua_tostring(L, -1);
-			}
-			lua_pop(L, 1);
-		}
-		else{
-			lua_pop(L, 1);
-		}
-	}
-	lua_pop(L, 1);
-	return s;
-}
-
-void script_error(lua_State *L, const char *fmt, ...)
-{
-	va_list argp;
-	va_start(argp, fmt);
-	char buf[10000];
-	vsnprintf(buf, 10000, fmt, argp);
-	va_end(argp);
-	//errorstream<<"SCRIPT ERROR: "<<buf;
-	throw LuaError(L, buf);
-}
-
-int luaErrorHandler(lua_State *L) {
-	lua_getfield(L, LUA_GLOBALSINDEX, "debug");
-	if (!lua_istable(L, -1)) {
-		lua_pop(L, 1);
-		return 1;
-	}
-	lua_getfield(L, -1, "traceback");
-	if (!lua_isfunction(L, -1)) {
-		lua_pop(L, 2);
-		return 1;
-	}
-	lua_pushvalue(L, 1);
-	lua_pushinteger(L, 2);
-	lua_call(L, 2, 1);
-	return 1;
-}
-
-bool script_load(lua_State *L, const char *path)
-{
-	verbosestream<<"Loading and running script from "<<path<<std::endl;
-
-	lua_pushcfunction(L, luaErrorHandler);
-	int errorhandler = lua_gettop(L);
-
-	int ret = luaL_loadfile(L, path) || lua_pcall(L, 0, 0, errorhandler);
-	if(ret){
-		errorstream<<"========== ERROR FROM LUA ==========="<<std::endl;
-		errorstream<<"Failed to load and run script from "<<std::endl;
-		errorstream<<path<<":"<<std::endl;
-		errorstream<<std::endl;
-		errorstream<<lua_tostring(L, -1)<<std::endl;
-		errorstream<<std::endl;
-		errorstream<<"=======END OF ERROR FROM LUA ========"<<std::endl;
-		lua_pop(L, 1); // Pop error message from stack
-		lua_pop(L, 1); // Pop the error handler from stack
-		return false;
-	}
-	lua_pop(L, 1); // Pop the error handler from stack
-	return true;
-}
-
-lua_State* script_init()
-{
-	lua_State *L = luaL_newstate();
-	luaL_openlibs(L);
-	return L;
-}
-
-void script_deinit(lua_State *L)
-{
-	lua_close(L);
-}
-
-

src/script/CMakeLists.txt

@@ -0,0 +1,9 @@
+add_subdirectory(common)
+add_subdirectory(cpp_api)
+add_subdirectory(lua_api)
+
+set(SCRIPT_SRCS 
+	${SCRIPT_COMMON_SRCS}
+	${SCRIPT_CPP_API_SRCS}
+	${SCRIPT_LUA_API_SRCS}
+	PARENT_SCOPE)

src/script/common/CMakeLists.txt

@@ -0,0 +1,6 @@
+set(SCRIPT_COMMON_SRCS
+	${CMAKE_CURRENT_SOURCE_DIR}/c_content.cpp
+	${CMAKE_CURRENT_SOURCE_DIR}/c_converter.cpp
+	${CMAKE_CURRENT_SOURCE_DIR}/c_types.cpp
+	${CMAKE_CURRENT_SOURCE_DIR}/c_internal.cpp
+	PARENT_SCOPE)

src/script/common/c_content.cpp

@@ -0,0 +1,923 @@
+/*
+Minetest
+Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com>
+
+This program is free software; you can redistribute it and/or modify
+it under the terms of the GNU Lesser General Public License as published by
+the Free Software Foundation; either version 2.1 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU Lesser General Public License for more details.
+
+You should have received a copy of the GNU Lesser General Public License along
+with this program; if not, write to the Free Software Foundation, Inc.,
+51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+*/
+#include "common/c_content.h"
+#include "common/c_converter.h"
+#include "common/c_types.h"
+#include "nodedef.h"
+#include "itemdef.h"
+#include "object_properties.h"
+#include "cpp_api/s_node.h"
+#include "lua_api/l_object.h"
+#include "lua_api/l_item.h"
+#include "common/c_internal.h"
+#include "server.h"
+#include "log.h"
+#include "tool.h"
+#include "server.h"
+
+struct EnumString es_TileAnimationType[] =
+{
+	{TAT_NONE, "none"},
+	{TAT_VERTICAL_FRAMES, "vertical_frames"},
+	{0, NULL},
+};
+
+/******************************************************************************/
+ItemDefinition read_item_definition(lua_State* L,int index,
+		ItemDefinition default_def)
+{
+	if(index < 0)
+		index = lua_gettop(L) + 1 + index;
+
+	// Read the item definition
+	ItemDefinition def = default_def;
+
+	def.type = (ItemType)getenumfield(L, index, "type",
+			es_ItemType, ITEM_NONE);
+	getstringfield(L, index, "name", def.name);
+	getstringfield(L, index, "description", def.description);
+	getstringfield(L, index, "inventory_image", def.inventory_image);
+	getstringfield(L, index, "wield_image", def.wield_image);
+
+	lua_getfield(L, index, "wield_scale");
+	if(lua_istable(L, -1)){
+		def.wield_scale = check_v3f(L, -1);
+	}
+	lua_pop(L, 1);
+
+	def.stack_max = getintfield_default(L, index, "stack_max", def.stack_max);
+	if(def.stack_max == 0)
+		def.stack_max = 1;
+
+	lua_getfield(L, index, "on_use");
+	def.usable = lua_isfunction(L, -1);
+	lua_pop(L, 1);
+
+	getboolfield(L, index, "liquids_pointable", def.liquids_pointable);
+
+	warn_if_field_exists(L, index, "tool_digging_properties",
+			"deprecated: use tool_capabilities");
+
+	lua_getfield(L, index, "tool_capabilities");
+	if(lua_istable(L, -1)){
+		def.tool_capabilities = new ToolCapabilities(
+				read_tool_capabilities(L, -1));
+	}
+
+	// If name is "" (hand), ensure there are ToolCapabilities
+	// because it will be looked up there whenever any other item has
+	// no ToolCapabilities
+	if(def.name == "" && def.tool_capabilities == NULL){
+		def.tool_capabilities = new ToolCapabilities();
+	}
+
+	lua_getfield(L, index, "groups");
+	read_groups(L, -1, def.groups);
+	lua_pop(L, 1);
+
+	lua_getfield(L, index, "sounds");
+	if(lua_istable(L, -1)){
+		lua_getfield(L, -1, "place");
+		read_soundspec(L, -1, def.sound_place);
+		lua_pop(L, 1);
+	}
+	lua_pop(L, 1);
+
+	// Client shall immediately place this node when player places the item.
+	// Server will update the precise end result a moment later.
+	// "" = no prediction
+	getstringfield(L, index, "node_placement_prediction",
+			def.node_placement_prediction);
+
+	return def;
+}
+
+/******************************************************************************/
+void read_object_properties(lua_State *L, int index,
+		ObjectProperties *prop)
+{
+	if(index < 0)
+		index = lua_gettop(L) + 1 + index;
+	if(!lua_istable(L, index))
+		return;
+
+	prop->hp_max = getintfield_default(L, -1, "hp_max", 10);
+
+	getboolfield(L, -1, "physical", prop->physical);
+
+	getfloatfield(L, -1, "weight", prop->weight);
+
+	lua_getfield(L, -1, "collisionbox");
+	if(lua_istable(L, -1))
+		prop->collisionbox = read_aabb3f(L, -1, 1.0);
+	lua_pop(L, 1);
+
+	getstringfield(L, -1, "visual", prop->visual);
+
+	getstringfield(L, -1, "mesh", prop->mesh);
+
+	lua_getfield(L, -1, "visual_size");
+	if(lua_istable(L, -1))
+		prop->visual_size = read_v2f(L, -1);
+	lua_pop(L, 1);
+
+	lua_getfield(L, -1, "textures");
+	if(lua_istable(L, -1)){
+		prop->textures.clear();
+		int table = lua_gettop(L);
+		lua_pushnil(L);
+		while(lua_next(L, table) != 0){
+			// key at index -2 and value at index -1
+			if(lua_isstring(L, -1))
+				prop->textures.push_back(lua_tostring(L, -1));
+			else
+				prop->textures.push_back("");
+			// removes value, keeps key for next iteration
+			lua_pop(L, 1);
+		}
+	}
+	lua_pop(L, 1);
+
+	lua_getfield(L, -1, "colors");
+	if(lua_istable(L, -1)){
+		prop->colors.clear();
+		int table = lua_gettop(L);
+		lua_pushnil(L);
+		while(lua_next(L, table) != 0){
+			// key at index -2 and value at index -1
+			if(lua_isstring(L, -1))
+				prop->colors.push_back(readARGB8(L, -1));
+			else
+				prop->colors.push_back(video::SColor(255, 255, 255, 255));
+			// removes value, keeps key for next iteration
+			lua_pop(L, 1);
+		}
+	}
+	lua_pop(L, 1);
+
+	lua_getfield(L, -1, "spritediv");
+	if(lua_istable(L, -1))
+		prop->spritediv = read_v2s16(L, -1);
+	lua_pop(L, 1);
+
+	lua_getfield(L, -1, "initial_sprite_basepos");
+	if(lua_istable(L, -1))
+		prop->initial_sprite_basepos = read_v2s16(L, -1);
+	lua_pop(L, 1);
+
+	getboolfield(L, -1, "is_visible", prop->is_visible);
+	getboolfield(L, -1, "makes_footstep_sound", prop->makes_footstep_sound);
+	getfloatfield(L, -1, "automatic_rotate", prop->automatic_rotate);
+}
+
+/******************************************************************************/
+TileDef read_tiledef(lua_State *L, int index)
+{
+	if(index < 0)
+		index = lua_gettop(L) + 1 + index;
+
+	TileDef tiledef;
+
+	// key at index -2 and value at index
+	if(lua_isstring(L, index)){
+		// "default_lava.png"
+		tiledef.name = lua_tostring(L, index);
+	}
+	else if(lua_istable(L, index))
+	{
+		// {name="default_lava.png", animation={}}
+		tiledef.name = "";
+		getstringfield(L, index, "name", tiledef.name);
+		getstringfield(L, index, "image", tiledef.name); // MaterialSpec compat.
+		tiledef.backface_culling = getboolfield_default(
+					L, index, "backface_culling", true);
+		// animation = {}
+		lua_getfield(L, index, "animation");
+		if(lua_istable(L, -1)){
+			// {type="vertical_frames", aspect_w=16, aspect_h=16, length=2.0}
+			tiledef.animation.type = (TileAnimationType)
+					getenumfield(L, -1, "type", es_TileAnimationType,
+					TAT_NONE);
+			tiledef.animation.aspect_w =
+					getintfield_default(L, -1, "aspect_w", 16);
+			tiledef.animation.aspect_h =
+					getintfield_default(L, -1, "aspect_h", 16);
+			tiledef.animation.length =
+					getfloatfield_default(L, -1, "length", 1.0);
+		}
+		lua_pop(L, 1);
+	}
+
+	return tiledef;
+}
+
+/******************************************************************************/
+ContentFeatures read_content_features(lua_State *L, int index)
+{
+	if(index < 0)
+		index = lua_gettop(L) + 1 + index;
+
+	ContentFeatures f;
+
+	/* Cache existence of some callbacks */
+	lua_getfield(L, index, "on_construct");
+	if(!lua_isnil(L, -1)) f.has_on_construct = true;
+	lua_pop(L, 1);
+	lua_getfield(L, index, "on_destruct");
+	if(!lua_isnil(L, -1)) f.has_on_destruct = true;
+	lua_pop(L, 1);
+	lua_getfield(L, index, "after_destruct");
+	if(!lua_isnil(L, -1)) f.has_after_destruct = true;
+	lua_pop(L, 1);
+
+	lua_getfield(L, index, "on_rightclick");
+	f.rightclickable = lua_isfunction(L, -1);
+	lua_pop(L, 1);
+	
+	/* Name */
+	getstringfield(L, index, "name", f.name);
+
+	/* Groups */
+	lua_getfield(L, index, "groups");
+	read_groups(L, -1, f.groups);
+	lua_pop(L, 1);
+
+	/* Visual definition */
+
+	f.drawtype = (NodeDrawType)getenumfield(L, index, "drawtype",
+			ScriptApiNode::es_DrawType,NDT_NORMAL);
+	getfloatfield(L, index, "visual_scale", f.visual_scale);
+
+	// tiles = {}
+	lua_getfield(L, index, "tiles");
+	// If nil, try the deprecated name "tile_images" instead
+	if(lua_isnil(L, -1)){
+		lua_pop(L, 1);
+		warn_if_field_exists(L, index, "tile_images",
+				"Deprecated; new name is \"tiles\".");
+		lua_getfield(L, index, "tile_images");
+	}
+	if(lua_istable(L, -1)){
+		int table = lua_gettop(L);
+		lua_pushnil(L);
+		int i = 0;
+		while(lua_next(L, table) != 0){
+			// Read tiledef from value
+			f.tiledef[i] = read_tiledef(L, -1);
+			// removes value, keeps key for next iteration
+			lua_pop(L, 1);
+			i++;
+			if(i==6){
+				lua_pop(L, 1);
+				break;
+			}
+		}
+		// Copy last value to all remaining textures
+		if(i >= 1){
+			TileDef lasttile = f.tiledef[i-1];
+			while(i < 6){
+				f.tiledef[i] = lasttile;
+				i++;
+			}
+		}
+	}
+	lua_pop(L, 1);
+
+	// special_tiles = {}
+	lua_getfield(L, index, "special_tiles");
+	// If nil, try the deprecated name "special_materials" instead
+	if(lua_isnil(L, -1)){
+		lua_pop(L, 1);
+		warn_if_field_exists(L, index, "special_materials",
+				"Deprecated; new name is \"special_tiles\".");
+		lua_getfield(L, index, "special_materials");
+	}
+	if(lua_istable(L, -1)){
+		int table = lua_gettop(L);
+		lua_pushnil(L);
+		int i = 0;
+		while(lua_next(L, table) != 0){
+			// Read tiledef from value
+			f.tiledef_special[i] = read_tiledef(L, -1);
+			// removes value, keeps key for next iteration
+			lua_pop(L, 1);
+			i++;
+			if(i==6){
+				lua_pop(L, 1);
+				break;
+			}
+		}
+	}
+	lua_pop(L, 1);
+
+	f.alpha = getintfield_default(L, index, "alpha", 255);
+
+	bool usealpha = getboolfield_default(L, index,
+			"use_texture_alpha", false);
+	if (usealpha)
+		f.alpha = 0;
+
+	/* Other stuff */
+
+	lua_getfield(L, index, "post_effect_color");
+	if(!lua_isnil(L, -1))
+		f.post_effect_color = readARGB8(L, -1);
+	lua_pop(L, 1);
+
+	f.param_type = (ContentParamType)getenumfield(L, index, "paramtype",
+			ScriptApiNode::es_ContentParamType, CPT_NONE);
+	f.param_type_2 = (ContentParamType2)getenumfield(L, index, "paramtype2",
+			ScriptApiNode::es_ContentParamType2, CPT2_NONE);
+
+	// Warn about some deprecated fields
+	warn_if_field_exists(L, index, "wall_mounted",
+			"deprecated: use paramtype2 = 'wallmounted'");
+	warn_if_field_exists(L, index, "light_propagates",
+			"deprecated: determined from paramtype");
+	warn_if_field_exists(L, index, "dug_item",
+			"deprecated: use 'drop' field");
+	warn_if_field_exists(L, index, "extra_dug_item",
+			"deprecated: use 'drop' field");
+	warn_if_field_exists(L, index, "extra_dug_item_rarity",
+			"deprecated: use 'drop' field");
+	warn_if_field_exists(L, index, "metadata_name",
+			"deprecated: use on_add and metadata callbacks");
+
+	// True for all ground-like things like stone and mud, false for eg. trees
+	getboolfield(L, index, "is_ground_content", f.is_ground_content);
+	f.light_propagates = (f.param_type == CPT_LIGHT);
+	getboolfield(L, index, "sunlight_propagates", f.sunlight_propagates);
+	// This is used for collision detection.
+	// Also for general solidness queries.
+	getboolfield(L, index, "walkable", f.walkable);
+	// Player can point to these
+	getboolfield(L, index, "pointable", f.pointable);
+	// Player can dig these
+	getboolfield(L, index, "diggable", f.diggable);
+	// Player can climb these
+	getboolfield(L, index, "climbable", f.climbable);
+	// Player can build on these
+	getboolfield(L, index, "buildable_to", f.buildable_to);
+	// Whether the node is non-liquid, source liquid or flowing liquid
+	f.liquid_type = (LiquidType)getenumfield(L, index, "liquidtype",
+			ScriptApiNode::es_LiquidType, LIQUID_NONE);
+	// If the content is liquid, this is the flowing version of the liquid.
+	getstringfield(L, index, "liquid_alternative_flowing",
+			f.liquid_alternative_flowing);
+	// If the content is liquid, this is the source version of the liquid.
+	getstringfield(L, index, "liquid_alternative_source",
+			f.liquid_alternative_source);
+	// Viscosity for fluid flow, ranging from 1 to 7, with
+	// 1 giving almost instantaneous propagation and 7 being
+	// the slowest possible
+	f.liquid_viscosity = getintfield_default(L, index,
+			"liquid_viscosity", f.liquid_viscosity);
+	getboolfield(L, index, "liquid_renewable", f.liquid_renewable);
+	// Amount of light the node emits
+	f.light_source = getintfield_default(L, index,
+			"light_source", f.light_source);
+	f.damage_per_second = getintfield_default(L, index,
+			"damage_per_second", f.damage_per_second);
+
+	lua_getfield(L, index, "node_box");
+	if(lua_istable(L, -1))
+		f.node_box = read_nodebox(L, -1);
+	lua_pop(L, 1);
+
+	lua_getfield(L, index, "selection_box");
+	if(lua_istable(L, -1))
+		f.selection_box = read_nodebox(L, -1);
+ 	lua_pop(L, 1);
+
+	// Set to true if paramtype used to be 'facedir_simple'
+	getboolfield(L, index, "legacy_facedir_simple", f.legacy_facedir_simple);
+	// Set to true if wall_mounted used to be set to true
+	getboolfield(L, index, "legacy_wallmounted", f.legacy_wallmounted);
+
+	// Sound table
+	lua_getfield(L, index, "sounds");
+	if(lua_istable(L, -1)){
+		lua_getfield(L, -1, "footstep");
+		read_soundspec(L, -1, f.sound_footstep);
+		lua_pop(L, 1);
+		lua_getfield(L, -1, "dig");
+		read_soundspec(L, -1, f.sound_dig);
+		lua_pop(L, 1);
+		lua_getfield(L, -1, "dug");
+		read_soundspec(L, -1, f.sound_dug);
+		lua_pop(L, 1);
+	}
+	lua_pop(L, 1);
+
+	return f;
+}
+
+/******************************************************************************/
+void read_server_sound_params(lua_State *L, int index,
+		ServerSoundParams &params)
+{
+	if(index < 0)
+		index = lua_gettop(L) + 1 + index;
+	// Clear
+	params = ServerSoundParams();
+	if(lua_istable(L, index)){
+		getfloatfield(L, index, "gain", params.gain);
+		getstringfield(L, index, "to_player", params.to_player);
+		lua_getfield(L, index, "pos");
+		if(!lua_isnil(L, -1)){
+			v3f p = read_v3f(L, -1)*BS;
+			params.pos = p;
+			params.type = ServerSoundParams::SSP_POSITIONAL;
+		}
+		lua_pop(L, 1);
+		lua_getfield(L, index, "object");
+		if(!lua_isnil(L, -1)){
+			ObjectRef *ref = ObjectRef::checkobject(L, -1);
+			ServerActiveObject *sao = ObjectRef::getobject(ref);
+			if(sao){
+				params.object = sao->getId();
+				params.type = ServerSoundParams::SSP_OBJECT;
+			}
+		}
+		lua_pop(L, 1);
+		params.max_hear_distance = BS*getfloatfield_default(L, index,
+				"max_hear_distance", params.max_hear_distance/BS);
+		getboolfield(L, index, "loop", params.loop);
+	}
+}
+
+/******************************************************************************/
+void read_soundspec(lua_State *L, int index, SimpleSoundSpec &spec)
+{
+	if(index < 0)
+		index = lua_gettop(L) + 1 + index;
+	if(lua_isnil(L, index)){
+	} else if(lua_istable(L, index)){
+		getstringfield(L, index, "name", spec.name);
+		getfloatfield(L, index, "gain", spec.gain);
+	} else if(lua_isstring(L, index)){
+		spec.name = lua_tostring(L, index);
+	}
+}
+
+/******************************************************************************/
+NodeBox read_nodebox(lua_State *L, int index)
+{
+	NodeBox nodebox;
+	if(lua_istable(L, -1)){
+		nodebox.type = (NodeBoxType)getenumfield(L, index, "type",
+				ScriptApiNode::es_NodeBoxType, NODEBOX_REGULAR);
+
+		lua_getfield(L, index, "fixed");
+		if(lua_istable(L, -1))
+			nodebox.fixed = read_aabb3f_vector(L, -1, BS);
+		lua_pop(L, 1);
+
+		lua_getfield(L, index, "wall_top");
+		if(lua_istable(L, -1))
+			nodebox.wall_top = read_aabb3f(L, -1, BS);
+		lua_pop(L, 1);
+
+		lua_getfield(L, index, "wall_bottom");
+		if(lua_istable(L, -1))
+			nodebox.wall_bottom = read_aabb3f(L, -1, BS);
+		lua_pop(L, 1);
+
+		lua_getfield(L, index, "wall_side");
+		if(lua_istable(L, -1))
+			nodebox.wall_side = read_aabb3f(L, -1, BS);
+		lua_pop(L, 1);
+	}
+	return nodebox;
+}
+
+/******************************************************************************/
+MapNode readnode(lua_State *L, int index, INodeDefManager *ndef)
+{
+	lua_getfield(L, index, "name");
+	const char *name = luaL_checkstring(L, -1);
+	lua_pop(L, 1);
+	u8 param1;
+	lua_getfield(L, index, "param1");
+	if(lua_isnil(L, -1))
+		param1 = 0;
+	else
+		param1 = lua_tonumber(L, -1);
+	lua_pop(L, 1);
+	u8 param2;
+	lua_getfield(L, index, "param2");
+	if(lua_isnil(L, -1))
+		param2 = 0;
+	else
+		param2 = lua_tonumber(L, -1);
+	lua_pop(L, 1);
+	return MapNode(ndef, name, param1, param2);
+}
+
+/******************************************************************************/
+void pushnode(lua_State *L, const MapNode &n, INodeDefManager *ndef)
+{
+	lua_newtable(L);
+	lua_pushstring(L, ndef->get(n).name.c_str());
+	lua_setfield(L, -2, "name");
+	lua_pushnumber(L, n.getParam1());
+	lua_setfield(L, -2, "param1");
+	lua_pushnumber(L, n.getParam2());
+	lua_setfield(L, -2, "param2");
+}
+
+/******************************************************************************/
+void warn_if_field_exists(lua_State *L, int table,
+		const char *fieldname, const std::string &message)
+{
+	lua_getfield(L, table, fieldname);
+	if(!lua_isnil(L, -1)){
+//TODO find way to access backtrace fct from here
+		//		infostream<<script_get_backtrace(L)<<std::endl;
+		infostream<<"WARNING: field \""<<fieldname<<"\": "
+				<<message<<std::endl;
+	}
+	lua_pop(L, 1);
+}
+
+/******************************************************************************/
+int getenumfield(lua_State *L, int table,
+		const char *fieldname, const EnumString *spec, int default_)
+{
+	int result = default_;
+	string_to_enum(spec, result,
+			getstringfield_default(L, table, fieldname, ""));
+	return result;
+}
+
+/******************************************************************************/
+bool string_to_enum(const EnumString *spec, int &result,
+		const std::string &str)
+{
+	const EnumString *esp = spec;
+	while(esp->str){
+		if(str == std::string(esp->str)){
+			result = esp->num;
+			return true;
+		}
+		esp++;
+	}
+	return false;
+}
+
+/******************************************************************************/
+ItemStack read_item(lua_State* L, int index,Server* srv)
+{
+	if(index < 0)
+		index = lua_gettop(L) + 1 + index;
+
+	if(lua_isnil(L, index))
+	{
+		return ItemStack();
+	}
+	else if(lua_isuserdata(L, index))
+	{
+		// Convert from LuaItemStack
+		LuaItemStack *o = LuaItemStack::checkobject(L, index);
+		return o->getItem();
+	}
+	else if(lua_isstring(L, index))
+	{
+		// Convert from itemstring
+		std::string itemstring = lua_tostring(L, index);
+		IItemDefManager *idef = srv->idef();
+		try
+		{
+			ItemStack item;
+			item.deSerialize(itemstring, idef);
+			return item;
+		}
+		catch(SerializationError &e)
+		{
+			infostream<<"WARNING: unable to create item from itemstring"
+					<<": "<<itemstring<<std::endl;
+			return ItemStack();
+		}
+	}
+	else if(lua_istable(L, index))
+	{
+		// Convert from table
+		IItemDefManager *idef = srv->idef();
+		std::string name = getstringfield_default(L, index, "name", "");
+		int count = getintfield_default(L, index, "count", 1);
+		int wear = getintfield_default(L, index, "wear", 0);
+		std::string metadata = getstringfield_default(L, index, "metadata", "");
+		return ItemStack(name, count, wear, metadata, idef);
+	}
+	else
+	{
+		throw LuaError(L, "Expecting itemstack, itemstring, table or nil");
+	}
+}
+
+/******************************************************************************/
+void push_tool_capabilities(lua_State *L,
+		const ToolCapabilities &toolcap)
+{
+	lua_newtable(L);
+	setfloatfield(L, -1, "full_punch_interval", toolcap.full_punch_interval);
+		setintfield(L, -1, "max_drop_level", toolcap.max_drop_level);
+		// Create groupcaps table
+		lua_newtable(L);
+		// For each groupcap
+		for(std::map<std::string, ToolGroupCap>::const_iterator
+				i = toolcap.groupcaps.begin(); i != toolcap.groupcaps.end(); i++){
+			// Create groupcap table
+			lua_newtable(L);
+			const std::string &name = i->first;
+			const ToolGroupCap &groupcap = i->second;
+			// Create subtable "times"
+			lua_newtable(L);
+			for(std::map<int, float>::const_iterator
+					i = groupcap.times.begin(); i != groupcap.times.end(); i++){
+				int rating = i->first;
+				float time = i->second;
+				lua_pushinteger(L, rating);
+				lua_pushnumber(L, time);
+				lua_settable(L, -3);
+			}
+			// Set subtable "times"
+			lua_setfield(L, -2, "times");
+			// Set simple parameters
+			setintfield(L, -1, "maxlevel", groupcap.maxlevel);
+			setintfield(L, -1, "uses", groupcap.uses);
+			// Insert groupcap table into groupcaps table
+			lua_setfield(L, -2, name.c_str());
+		}
+		// Set groupcaps table
+		lua_setfield(L, -2, "groupcaps");
+		//Create damage_groups table
+		lua_newtable(L);
+		// For each damage group
+		for(std::map<std::string, s16>::const_iterator
+				i = toolcap.damageGroups.begin(); i != toolcap.damageGroups.end(); i++){
+			// Create damage group table
+			lua_pushinteger(L, i->second);
+			lua_setfield(L, -2, i->first.c_str());
+		}
+		lua_setfield(L, -2, "damage_groups");
+}
+
+/******************************************************************************/
+void push_inventory_list(Inventory *inv, const char *name,
+		lua_State *L)
+{
+	InventoryList *invlist = inv->getList(name);
+	if(invlist == NULL){
+		lua_pushnil(L);
+		return;
+	}
+	std::vector<ItemStack> items;
+	for(u32 i=0; i<invlist->getSize(); i++)
+		items.push_back(invlist->getItem(i));
+	push_items(L, items);
+}
+
+/******************************************************************************/
+void read_inventory_list(Inventory *inv, const char *name,
+		lua_State *L, int tableindex, Server* srv,int forcesize)
+{
+	if(tableindex < 0)
+		tableindex = lua_gettop(L) + 1 + tableindex;
+	// If nil, delete list
+	if(lua_isnil(L, tableindex)){
+		inv->deleteList(name);
+		return;
+	}
+	// Otherwise set list
+	std::vector<ItemStack> items = read_items(L, tableindex,srv);
+	int listsize = (forcesize != -1) ? forcesize : items.size();
+	InventoryList *invlist = inv->addList(name, listsize);
+	int index = 0;
+	for(std::vector<ItemStack>::const_iterator
+			i = items.begin(); i != items.end(); i++){
+		if(forcesize != -1 && index == forcesize)
+			break;
+		invlist->changeItem(index, *i);
+		index++;
+	}
+	while(forcesize != -1 && index < forcesize){
+		invlist->deleteItem(index);
+		index++;
+	}
+}
+
+/******************************************************************************/
+ToolCapabilities read_tool_capabilities(
+		lua_State *L, int table)
+{
+	ToolCapabilities toolcap;
+	getfloatfield(L, table, "full_punch_interval", toolcap.full_punch_interval);
+	getintfield(L, table, "max_drop_level", toolcap.max_drop_level);
+	lua_getfield(L, table, "groupcaps");
+	if(lua_istable(L, -1)){
+		int table_groupcaps = lua_gettop(L);
+		lua_pushnil(L);
+		while(lua_next(L, table_groupcaps) != 0){
+			// key at index -2 and value at index -1
+			std::string groupname = luaL_checkstring(L, -2);
+			if(lua_istable(L, -1)){
+				int table_groupcap = lua_gettop(L);
+				// This will be created
+				ToolGroupCap groupcap;
+				// Read simple parameters
+				getintfield(L, table_groupcap, "maxlevel", groupcap.maxlevel);
+				getintfield(L, table_groupcap, "uses", groupcap.uses);
+				// DEPRECATED: maxwear
+				float maxwear = 0;
+				if(getfloatfield(L, table_groupcap, "maxwear", maxwear)){
+					if(maxwear != 0)
+						groupcap.uses = 1.0/maxwear;
+					else
+						groupcap.uses = 0;
+					infostream<<script_get_backtrace(L)<<std::endl;
+					infostream<<"WARNING: field \"maxwear\" is deprecated; "
+							<<"should replace with uses=1/maxwear"<<std::endl;
+				}
+				// Read "times" table
+				lua_getfield(L, table_groupcap, "times");
+				if(lua_istable(L, -1)){
+					int table_times = lua_gettop(L);
+					lua_pushnil(L);
+					while(lua_next(L, table_times) != 0){
+						// key at index -2 and value at index -1
+						int rating = luaL_checkinteger(L, -2);
+						float time = luaL_checknumber(L, -1);
+						groupcap.times[rating] = time;
+						// removes value, keeps key for next iteration
+						lua_pop(L, 1);
+					}
+				}
+				lua_pop(L, 1);
+				// Insert groupcap into toolcap
+				toolcap.groupcaps[groupname] = groupcap;
+			}
+			// removes value, keeps key for next iteration
+			lua_pop(L, 1);
+		}
+	}
+	lua_pop(L, 1);
+
+	lua_getfield(L, table, "damage_groups");
+	if(lua_istable(L, -1)){
+		int table_damage_groups = lua_gettop(L);
+		lua_pushnil(L);
+		while(lua_next(L, table_damage_groups) != 0){
+			// key at index -2 and value at index -1
+			std::string groupname = luaL_checkstring(L, -2);
+			u16 value = luaL_checkinteger(L, -1);
+			toolcap.damageGroups[groupname] = value;
+			// removes value, keeps key for next iteration
+			lua_pop(L, 1);
+		}
+	}
+	lua_pop(L, 1);
+	return toolcap;
+}
+
+/******************************************************************************/
+void push_dig_params(lua_State *L,const DigParams &params)
+{
+	lua_newtable(L);
+	setboolfield(L, -1, "diggable", params.diggable);
+	setfloatfield(L, -1, "time", params.time);
+	setintfield(L, -1, "wear", params.wear);
+}
+
+/******************************************************************************/
+void push_hit_params(lua_State *L,const HitParams &params)
+{
+	lua_newtable(L);
+	setintfield(L, -1, "hp", params.hp);
+	setintfield(L, -1, "wear", params.wear);
+}
+
+/******************************************************************************/
+u32 getflagsfield(lua_State *L, int table,
+	const char *fieldname, FlagDesc *flagdesc) {
+	std::string flagstring;
+
+	flagstring = getstringfield_default(L, table, fieldname, "");
+	return readFlagString(flagstring, flagdesc);
+}
+
+/******************************************************************************/
+/* Lua Stored data!                                                           */
+/******************************************************************************/
+
+/******************************************************************************/
+void read_groups(lua_State *L, int index,
+		std::map<std::string, int> &result)
+{
+	if (!lua_istable(L,index))
+		return;
+	result.clear();
+	lua_pushnil(L);
+	if(index < 0)
+		index -= 1;
+	while(lua_next(L, index) != 0){
+		// key at index -2 and value at index -1
+		std::string name = luaL_checkstring(L, -2);
+		int rating = luaL_checkinteger(L, -1);
+		result[name] = rating;
+		// removes value, keeps key for next iteration
+		lua_pop(L, 1);
+	}
+}
+
+/******************************************************************************/
+void push_items(lua_State *L, const std::vector<ItemStack> &items)
+{
+	// Get the table insert function
+	lua_getglobal(L, "table");
+	lua_getfield(L, -1, "insert");
+	int table_insert = lua_gettop(L);
+	// Create and fill table
+	lua_newtable(L);
+	int table = lua_gettop(L);
+	for(u32 i=0; i<items.size(); i++){
+		ItemStack item = items[i];
+		lua_pushvalue(L, table_insert);
+		lua_pushvalue(L, table);
+		LuaItemStack::create(L, item);
+		if(lua_pcall(L, 2, 0, 0))
+			script_error(L, "error: %s", lua_tostring(L, -1));
+	}
+	lua_remove(L, -2); // Remove table
+	lua_remove(L, -2); // Remove insert
+}
+
+/******************************************************************************/
+std::vector<ItemStack> read_items(lua_State *L, int index,Server* srv)
+{
+	if(index < 0)
+		index = lua_gettop(L) + 1 + index;
+
+	std::vector<ItemStack> items;
+	luaL_checktype(L, index, LUA_TTABLE);
+	lua_pushnil(L);
+	while(lua_next(L, index) != 0){
+		// key at index -2 and value at index -1
+		items.push_back(read_item(L, -1, srv));
+		// removes value, keeps key for next iteration
+		lua_pop(L, 1);
+	}
+	return items;
+}
+
+/******************************************************************************/
+void luaentity_get(lua_State *L, u16 id)
+{
+	// Get minetest.luaentities[i]
+	lua_getglobal(L, "minetest");
+	lua_getfield(L, -1, "luaentities");
+	luaL_checktype(L, -1, LUA_TTABLE);
+	lua_pushnumber(L, id);
+	lua_gettable(L, -2);
+	lua_remove(L, -2); // luaentities
+	lua_remove(L, -2); // minetest
+}
+
+/******************************************************************************/
+NoiseParams *read_noiseparams(lua_State *L, int index)
+{
+	if (index < 0)
+		index = lua_gettop(L) + 1 + index;
+
+	if (!lua_istable(L, index))
+		return NULL;
+
+	NoiseParams *np = new NoiseParams;
+
+	np->offset  = getfloatfield_default(L, index, "offset", 0.0);
+	np->scale   = getfloatfield_default(L, index, "scale", 0.0);
+	lua_getfield(L, index, "spread");
+	np->spread  = read_v3f(L, -1);
+	lua_pop(L, 1);
+	np->seed    = getintfield_default(L, index, "seed", 0);
+	np->octaves = getintfield_default(L, index, "octaves", 0);
+	np->persist = getfloatfield_default(L, index, "persist", 0.0);
+
+	return np;
+}

src/script/common/c_content.h

@@ -0,0 +1,146 @@
+/*
+Minetest
+Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com>
+
+This program is free software; you can redistribute it and/or modify
+it under the terms of the GNU Lesser General Public License as published by
+the Free Software Foundation; either version 2.1 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU Lesser General Public License for more details.
+
+You should have received a copy of the GNU Lesser General Public License along
+with this program; if not, write to the Free Software Foundation, Inc.,
+51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+*/
+
+
+/******************************************************************************/
+/******************************************************************************/
+/* WARNING!!!! do NOT add this header in any include file or any code file    */
+/*             not being a script/modapi file!!!!!!!!                         */
+/******************************************************************************/
+/******************************************************************************/
+
+#ifndef C_CONTENT_H_
+#define C_CONTENT_H_
+
+extern "C" {
+#include <lua.h>
+}
+
+#include <iostream>
+#include <map>
+#include <vector>
+
+#include "irrlichttypes_bloated.h"
+#include "util/string.h"
+
+class MapNode;
+class INodeDefManager;
+class PointedThing;
+class ItemStack;
+class ItemDefinition;
+class ToolCapabilities;
+class ObjectProperties;
+class SimpleSoundSpec;
+class ServerSoundParams;
+class Inventory;
+class NodeBox;
+class ContentFeatures;
+class TileDef;
+class Server;
+struct DigParams;
+struct HitParams;
+struct EnumString;
+struct NoiseParams;
+
+
+ContentFeatures    read_content_features         (lua_State *L, int index);
+TileDef            read_tiledef                  (lua_State *L, int index);
+void               read_soundspec                (lua_State *L, int index,
+                                                  SimpleSoundSpec &spec);
+NodeBox            read_nodebox                  (lua_State *L, int index);
+
+void               read_server_sound_params      (lua_State *L, int index,
+                                                  ServerSoundParams &params);
+
+void          push_dig_params           (lua_State *L,const DigParams &params);
+void          push_hit_params           (lua_State *L,const HitParams &params);
+
+ItemStack     read_item                 (lua_State *L, int index, Server* srv);
+
+
+ToolCapabilities   read_tool_capabilities    (lua_State *L,
+                                              int table);
+void               push_tool_capabilities    (lua_State *L,
+                                              const ToolCapabilities &prop);
+
+ItemDefinition     read_item_definition      (lua_State *L,
+                                              int index,
+                                              ItemDefinition default_def);
+void               read_object_properties    (lua_State *L,
+                                              int index,
+                                              ObjectProperties *prop);
+
+//TODO fix parameter oreder!
+void               push_inventory_list       (Inventory *inv,
+                                              const char *name,
+                                              lua_State *L);
+void               read_inventory_list       (Inventory *inv,
+                                              const char *name,
+                                              lua_State *L,
+                                              int tableindex,
+                                              Server* srv,
+                                              int forcesize=-1);
+
+MapNode            readnode                  (lua_State *L,
+                                              int index,
+                                              INodeDefManager *ndef);
+void               pushnode                  (lua_State *L,
+                                              const MapNode &n,
+                                              INodeDefManager *ndef);
+
+NodeBox            read_nodebox              (lua_State *L, int index);
+
+void               read_groups               (lua_State *L,
+                                              int index,
+                                              std::map<std::string, int> &result);
+
+//TODO rename to "read_enum_field"
+int                getenumfield              (lua_State *L,
+                                              int table,
+                                              const char *fieldname,
+                                              const EnumString *spec,
+                                              int default_);
+
+u32                getflagsfield             (lua_State *L, int table,
+                                              const char *fieldname,
+                                              FlagDesc *flagdesc);
+
+void               push_items                (lua_State *L,
+                                              const std::vector<ItemStack> &items);
+
+std::vector<ItemStack> read_items            (lua_State *L,
+                                              int index,
+                                              Server* srv);
+
+void               read_soundspec            (lua_State *L,
+                                              int index,
+                                              SimpleSoundSpec &spec);
+
+
+bool               string_to_enum            (const EnumString *spec,
+                                              int &result,
+                                              const std::string &str);
+
+NoiseParams*       read_noiseparams          (lua_State *L, int index);
+
+void               luaentity_get             (lua_State *L,u16 id);
+
+extern struct EnumString es_TileAnimationType[];
+
+#endif /* C_CONTENT_H_ */

src/script/common/c_converter.cpp

@@ -17,19 +17,14 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */
 
-#include "scriptapi.h"
-#include "scriptapi_types.h"
-
 extern "C" {
-#include <lauxlib.h>
+#include "lua.h"
+#include "lauxlib.h"
 }
 
 #include "util/numeric.h"
-#include "nodedef.h"
+#include "common/c_converter.h"
-
+#include "constants.h"
-/*
-	C struct <-> Lua table converter functions
-*/
 
 void push_v3f(lua_State *L, v3f p)
 {
@@ -147,7 +142,7 @@ v3s16 check_v3s16(lua_State *L, int index)
 
 video::SColor readARGB8(lua_State *L, int index)
 {
-	video::SColor color;
+	video::SColor color(0);
 	luaL_checktype(L, index, LUA_TTABLE);
 	lua_getfield(L, index, "a");
 	if(lua_isnumber(L, -1))
@@ -345,44 +340,4 @@ void setboolfield(lua_State *L, int table,
 	lua_setfield(L, table, fieldname);
 }
 
-u32 getflagsfield(lua_State *L, int table,
-		const char *fieldname, FlagDesc *flagdesc) {
-	std::string flagstring;
-	
-	flagstring = getstringfield_default(L, table, fieldname, "");
-	return readFlagString(flagstring, flagdesc);
-}
 
-/* minetest specific types */
-MapNode readnode(lua_State *L, int index, INodeDefManager *ndef)
-{
-	lua_getfield(L, index, "name");
-	const char *name = luaL_checkstring(L, -1);
-	lua_pop(L, 1);
-	u8 param1;
-	lua_getfield(L, index, "param1");
-	if(lua_isnil(L, -1))
-		param1 = 0;
-	else
-		param1 = lua_tonumber(L, -1);
-	lua_pop(L, 1);
-	u8 param2;
-	lua_getfield(L, index, "param2");
-	if(lua_isnil(L, -1))
-		param2 = 0;
-	else
-		param2 = lua_tonumber(L, -1);
-	lua_pop(L, 1);
-	return MapNode(ndef, name, param1, param2);
-}
-
-void pushnode(lua_State *L, const MapNode &n, INodeDefManager *ndef)
-{
-	lua_newtable(L);
-	lua_pushstring(L, ndef->get(n).name.c_str());
-	lua_setfield(L, -2, "name");
-	lua_pushnumber(L, n.getParam1());
-	lua_setfield(L, -2, "param1");
-	lua_pushnumber(L, n.getParam2());
-	lua_setfield(L, -2, "param2");
-}

src/script/common/c_converter.h

@@ -1,5 +1,5 @@
 /*
-Minetest-c55
+Minetest
 Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com>
 
 This program is free software; you can redistribute it and/or modify
@@ -17,16 +17,21 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */
 
-#ifndef LUA_TYPES_H_
-#define LUA_TYPES_H_
 
-#include <iostream>
+/******************************************************************************/
-#include <map>
+/******************************************************************************/
+/* WARNING!!!! do NOT add this header in any include file or any code file    */
+/*             not being a script/modapi file!!!!!!!!                         */
+/******************************************************************************/
+/******************************************************************************/
+#ifndef C_CONVERTER_H_
+#define C_CONVERTER_H_
+
 #include <vector>
+#include <map>
 
 #include "irrlichttypes_bloated.h"
-#include "porting.h"
+#include "common/c_types.h"
-#include "map.h"
 
 extern "C" {
 #include <lua.h>
@@ -51,8 +56,6 @@ bool               getboolfield(lua_State *L, int table,
                              const char *fieldname, bool &result);
 bool               getfloatfield(lua_State *L, int table,
                              const char *fieldname, float &result);
-u32                getflagsfield(lua_State *L, int table,
-                             const char *fieldname, FlagDesc *flagdesc);
 
 std::string        checkstringfield(lua_State *L, int table,
                              const char *fieldname);
@@ -65,26 +68,29 @@ void               setboolfield(lua_State *L, int table,
                              const char *fieldname, bool value);
 
 
-v3f           checkFloatPos                 (lua_State *L, int index);
+v3f           checkFloatPos             (lua_State *L, int index);
-v3f           check_v3f                     (lua_State *L, int index);
+v3f           check_v3f                 (lua_State *L, int index);
-v3s16         check_v3s16                   (lua_State *L, int index);
+v3s16         check_v3s16               (lua_State *L, int index);
 
-v3f           read_v3f                      (lua_State *L, int index);
+v3f           read_v3f                  (lua_State *L, int index);
-v2f           read_v2f                      (lua_State *L, int index);
+v2f           read_v2f                  (lua_State *L, int index);
-v2s16         read_v2s16                    (lua_State *L, int index);
+v2s16         read_v2s16                (lua_State *L, int index);
-video::SColor readARGB8                     (lua_State *L, int index);
+video::SColor readARGB8                 (lua_State *L, int index);
-aabb3f        read_aabb3f                   (lua_State *L, int index, f32 scale);
+aabb3f        read_aabb3f               (lua_State *L, int index, f32 scale);
-v3s16         read_v3s16                    (lua_State *L, int index);
+v3s16         read_v3s16                (lua_State *L, int index);
 std::vector<aabb3f>
-              read_aabb3f_vector            (lua_State *L, int index, f32 scale);
+              read_aabb3f_vector        (lua_State *L, int index, f32 scale);
 
-void          push_v3s16                    (lua_State *L, v3s16 p);
+void          push_v3s16                (lua_State *L, v3s16 p);
-void          pushFloatPos                  (lua_State *L, v3f p);
+void          pushFloatPos              (lua_State *L, v3f p);
-void          push_v3f                      (lua_State *L, v3f p);
+void          push_v3f                  (lua_State *L, v3f p);
-void          push_v2f                      (lua_State *L, v2f p);
+void          push_v2f                  (lua_State *L, v2f p);
 
 
-MapNode readnode(lua_State *L, int index, INodeDefManager *ndef);
-void pushnode(lua_State *L, const MapNode &n, INodeDefManager *ndef);
 
-#endif /* LUA_TYPES_H_ */
+void               warn_if_field_exists      (lua_State *L,
+                                              int table,
+                                              const char *fieldname,
+                                              const std::string &message);
+
+#endif /* C_CONVERTER_H_ */

src/script/common/c_internal.cpp

@@ -0,0 +1,65 @@
+/*
+Minetest
+Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com>
+
+This program is free software; you can redistribute it and/or modify
+it under the terms of the GNU Lesser General Public License as published by
+the Free Software Foundation; either version 2.1 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU Lesser General Public License for more details.
+
+You should have received a copy of the GNU Lesser General Public License along
+with this program; if not, write to the Free Software Foundation, Inc.,
+51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+*/
+
+#include "common/c_internal.h"
+#include "server.h"
+#include "cpp_api/scriptapi.h"
+
+ScriptApi* get_scriptapi(lua_State *L)
+{
+	// Get server from registry
+	lua_getfield(L, LUA_REGISTRYINDEX, "scriptapi");
+	ScriptApi* sapi_ptr = (ScriptApi*) lua_touserdata(L, -1);
+	lua_pop(L, 1);
+	return sapi_ptr;
+}
+
+std::string script_get_backtrace(lua_State *L)
+{
+	std::string s;
+	lua_getfield(L, LUA_GLOBALSINDEX, "debug");
+	if(lua_istable(L, -1)){
+		lua_getfield(L, -1, "traceback");
+		if(lua_isfunction(L, -1)){
+			lua_call(L, 0, 1);
+			if(lua_isstring(L, -1)){
+				s += lua_tostring(L, -1);
+			}
+			lua_pop(L, 1);
+		}
+		else{
+			lua_pop(L, 1);
+		}
+	}
+	lua_pop(L, 1);
+	return s;
+}
+
+void script_error(lua_State* L,const char *fmt, ...)
+{
+	va_list argp;
+	va_start(argp, fmt);
+	char buf[10000];
+	vsnprintf(buf, 10000, fmt, argp);
+	va_end(argp);
+	//errorstream<<"SCRIPT ERROR: "<<buf;
+	throw LuaError(L, buf);
+}
+
+

src/script/common/c_internal.h

@@ -0,0 +1,60 @@
+/*
+Minetest
+Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com>
+
+This program is free software; you can redistribute it and/or modify
+it under the terms of the GNU Lesser General Public License as published by
+the Free Software Foundation; either version 2.1 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU Lesser General Public License for more details.
+
+You should have received a copy of the GNU Lesser General Public License along
+with this program; if not, write to the Free Software Foundation, Inc.,
+51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+*/
+
+/******************************************************************************/
+/******************************************************************************/
+/* WARNING!!!! do NOT add this header in any include file or any code file    */
+/*             not being a modapi file!!!!!!!!                                */
+/******************************************************************************/
+/******************************************************************************/
+
+#ifndef C_INTERNAL_H_
+#define C_INTERNAL_H_
+
+class Server;
+class ScriptApi;
+#include <iostream>
+
+#include "lua_api/l_base.h"
+
+extern "C" {
+#include "lua.h"
+}
+
+#define luamethod(class, name) {#name, class::l_##name}
+#define STACK_TO_SERVER(L) get_scriptapi(L)->getServer()
+#define API_FCT(name) registerFunction(L,#name,l_##name,top)
+
+#define REGISTER_LUA_REF(cln)                                                  \
+class ModApi_##cln : public ModApiBase {                                       \
+	public:                                                                    \
+		ModApi_##cln() : ModApiBase() {};                                      \
+		bool Initialize(lua_State* L, int top) {                               \
+			cln::Register(L);                                                  \
+			return true;                                                       \
+		};                                                                     \
+};                                                                             \
+ModApi_##cln macro_generated_prototype__##cln;
+
+
+ScriptApi*  get_scriptapi          (lua_State *L);
+std::string script_get_backtrace   (lua_State *L);
+void        script_error           (lua_State *L, const char *fmt, ...);
+
+#endif /* C_INTERNAL_H_ */

src/script/common/c_types.cpp

@@ -1,5 +1,5 @@
 /*
-Minetest-c55
+Minetest
 Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com>
 
 This program is free software; you can redistribute it and/or modify
@@ -17,21 +17,24 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */
 
-#ifndef LUA_CONTENT_H_
+#include <iostream>
-#define LUA_CONTENT_H_
 
-extern "C" {
+#include "common/c_types.h"
-#include <lua.h>
+#include "common/c_internal.h"
+#include "itemdef.h"
+
+LuaError::LuaError(lua_State *L, const std::string &s)
+{
+	m_s = "LuaError: ";
+	m_s += s + "\n";
+	m_s += script_get_backtrace(L);
 }
 
-#include "nodedef.h"
+struct EnumString es_ItemType[] =
-
+	{
-ContentFeatures    read_content_features         (lua_State *L, int index);
+		{ITEM_NONE, "none"},
-TileDef            read_tiledef                  (lua_State *L, int index);
+		{ITEM_NODE, "node"},
-void               read_soundspec                (lua_State *L, int index,
+		{ITEM_CRAFT, "craft"},
-		SimpleSoundSpec &spec);
+		{ITEM_TOOL, "tool"},
-NodeBox            read_nodebox                  (lua_State *L, int index);
+		{0, NULL},
-
+	};
-extern struct EnumString es_TileAnimationType[];
-
-#endif /* LUA_CONTENT_H_ */

src/script/common/c_types.h

@@ -0,0 +1,90 @@
+/*
+Minetest
+Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com>
+
+This program is free software; you can redistribute it and/or modify
+it under the terms of the GNU Lesser General Public License as published by
+the Free Software Foundation; either version 2.1 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU Lesser General Public License for more details.
+
+You should have received a copy of the GNU Lesser General Public License along
+with this program; if not, write to the Free Software Foundation, Inc.,
+51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+*/
+
+#ifndef C_TYPES_H_
+#define C_TYPES_H_
+
+extern "C" {
+#include "lua.h"
+}
+
+#include <iostream>
+
+struct EnumString
+{
+	int num;
+	const char *str;
+};
+
+class StackUnroller
+{
+private:
+	lua_State *m_lua;
+	int m_original_top;
+public:
+	StackUnroller(lua_State *L):
+		m_lua(L),
+		m_original_top(-1)
+	{
+		m_original_top = lua_gettop(m_lua); // store stack height
+	}
+	~StackUnroller()
+	{
+		lua_settop(m_lua, m_original_top); // restore stack height
+	}
+};
+
+class ModNameStorer
+{
+private:
+	lua_State *L;
+public:
+	ModNameStorer(lua_State *L_, const std::string modname):
+		L(L_)
+	{
+		// Store current modname in registry
+		lua_pushstring(L, modname.c_str());
+		lua_setfield(L, LUA_REGISTRYINDEX, "minetest_current_modname");
+	}
+	~ModNameStorer()
+	{
+		// Clear current modname in registry
+		lua_pushnil(L);
+		lua_setfield(L, LUA_REGISTRYINDEX, "minetest_current_modname");
+	}
+};
+
+class LuaError : public std::exception
+{
+public:
+	LuaError(lua_State *L, const std::string &s);
+
+	virtual ~LuaError() throw()
+	{}
+	virtual const char * what() const throw()
+	{
+		return m_s.c_str();
+	}
+	std::string m_s;
+};
+
+
+extern EnumString es_ItemType[];
+
+#endif /* C_TYPES_H_ */

src/script/cpp_api/CMakeLists.txt

@@ -0,0 +1,11 @@
+set(SCRIPT_CPP_API_SRCS
+	${CMAKE_CURRENT_SOURCE_DIR}/s_base.cpp
+	${CMAKE_CURRENT_SOURCE_DIR}/s_entity.cpp
+	${CMAKE_CURRENT_SOURCE_DIR}/s_env.cpp
+	${CMAKE_CURRENT_SOURCE_DIR}/s_inventory.cpp
+	${CMAKE_CURRENT_SOURCE_DIR}/s_item.cpp
+	${CMAKE_CURRENT_SOURCE_DIR}/s_node.cpp
+	${CMAKE_CURRENT_SOURCE_DIR}/s_nodemeta.cpp
+	${CMAKE_CURRENT_SOURCE_DIR}/s_player.cpp
+	${CMAKE_CURRENT_SOURCE_DIR}/scriptapi.cpp
+	PARENT_SCOPE)

src/script/cpp_api/s_base.cpp

@@ -0,0 +1,264 @@
+/*
+Minetest
+Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com>
+
+This program is free software; you can redistribute it and/or modify
+it under the terms of the GNU Lesser General Public License as published by
+the Free Software Foundation; either version 2.1 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU Lesser General Public License for more details.
+
+You should have received a copy of the GNU Lesser General Public License along
+with this program; if not, write to the Free Software Foundation, Inc.,
+51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+*/
+
+#include <stdio.h>
+#include <cstdarg>
+
+extern "C" {
+#include "lua.h"
+#include "lauxlib.h"
+}
+
+#include "cpp_api/s_base.h"
+#include "lua_api/l_object.h"
+#include "serverobject.h"
+
+ScriptApiBase::ScriptApiBase() :
+		m_luastackmutex(),
+#ifdef LOCK_DEBUG
+		m_locked(false),
+#endif
+		m_luastack(0),
+		m_server(0),
+		m_environment(0)
+{
+
+}
+
+
+void ScriptApiBase::realityCheck()
+{
+	int top = lua_gettop(m_luastack);
+	if(top >= 30){
+		dstream<<"Stack is over 30:"<<std::endl;
+		stackDump(dstream);
+		scriptError("Stack is over 30 (reality check)");
+	}
+}
+
+void  ScriptApiBase::scriptError(const char *fmt, ...)
+{
+	va_list argp;
+	va_start(argp, fmt);
+	char buf[10000];
+	vsnprintf(buf, 10000, fmt, argp);
+	va_end(argp);
+	//errorstream<<"SCRIPT ERROR: "<<buf;
+	throw LuaError(m_luastack, buf);
+}
+
+void ScriptApiBase::stackDump(std::ostream &o)
+{
+  int i;
+  int top = lua_gettop(m_luastack);
+  for (i = 1; i <= top; i++) {  /* repeat for each level */
+	int t = lua_type(m_luastack, i);
+	switch (t) {
+
+	  case LUA_TSTRING:  /* strings */
+	  	o<<"\""<<lua_tostring(m_luastack, i)<<"\"";
+		break;
+
+	  case LUA_TBOOLEAN:  /* booleans */
+		o<<(lua_toboolean(m_luastack, i) ? "true" : "false");
+		break;
+
+	  case LUA_TNUMBER:  /* numbers */ {
+	  	char buf[10];
+		snprintf(buf, 10, "%g", lua_tonumber(m_luastack, i));
+		o<<buf;
+		break; }
+
+	  default:  /* other values */
+		o<<lua_typename(m_luastack, t);
+		break;
+
+	}
+	o<<" ";
+  }
+  o<<std::endl;
+}
+
+// Push the list of callbacks (a lua table).
+// Then push nargs arguments.
+// Then call this function, which
+// - runs the callbacks
+// - removes the table and arguments from the lua stack
+// - pushes the return value, computed depending on mode
+void ScriptApiBase::runCallbacks(int nargs,RunCallbacksMode mode)
+{
+	lua_State *L = getStack();
+
+	// Insert the return value into the lua stack, below the table
+	assert(lua_gettop(L) >= nargs + 1);
+	lua_pushnil(L);
+	lua_insert(L, -(nargs + 1) - 1);
+	// Stack now looks like this:
+	// ... <return value = nil> <table> <arg#1> <arg#2> ... <arg#n>
+
+	int rv = lua_gettop(L) - nargs - 1;
+	int table = rv + 1;
+	int arg = table + 1;
+
+	luaL_checktype(L, table, LUA_TTABLE);
+
+	// Foreach
+	lua_pushnil(L);
+	bool first_loop = true;
+	while(lua_next(L, table) != 0){
+		// key at index -2 and value at index -1
+		luaL_checktype(L, -1, LUA_TFUNCTION);
+		// Call function
+		for(int i = 0; i < nargs; i++)
+			lua_pushvalue(L, arg+i);
+		if(lua_pcall(L, nargs, 1, 0))
+			scriptError("error: %s", lua_tostring(L, -1));
+
+		// Move return value to designated space in stack
+		// Or pop it
+		if(first_loop){
+			// Result of first callback is always moved
+			lua_replace(L, rv);
+			first_loop = false;
+		} else {
+			// Otherwise, what happens depends on the mode
+			if(mode == RUN_CALLBACKS_MODE_FIRST)
+				lua_pop(L, 1);
+			else if(mode == RUN_CALLBACKS_MODE_LAST)
+				lua_replace(L, rv);
+			else if(mode == RUN_CALLBACKS_MODE_AND ||
+					mode == RUN_CALLBACKS_MODE_AND_SC){
+				if((bool)lua_toboolean(L, rv) == true &&
+						(bool)lua_toboolean(L, -1) == false)
+					lua_replace(L, rv);
+				else
+					lua_pop(L, 1);
+			}
+			else if(mode == RUN_CALLBACKS_MODE_OR ||
+					mode == RUN_CALLBACKS_MODE_OR_SC){
+				if((bool)lua_toboolean(L, rv) == false &&
+						(bool)lua_toboolean(L, -1) == true)
+					lua_replace(L, rv);
+				else
+					lua_pop(L, 1);
+			}
+			else
+				assert(0);
+		}
+
+		// Handle short circuit modes
+		if(mode == RUN_CALLBACKS_MODE_AND_SC &&
+				(bool)lua_toboolean(L, rv) == false)
+			break;
+		else if(mode == RUN_CALLBACKS_MODE_OR_SC &&
+				(bool)lua_toboolean(L, rv) == true)
+			break;
+
+		// value removed, keep key for next iteration
+	}
+
+	// Remove stuff from stack, leaving only the return value
+	lua_settop(L, rv);
+
+	// Fix return value in case no callbacks were called
+	if(first_loop){
+		if(mode == RUN_CALLBACKS_MODE_AND ||
+				mode == RUN_CALLBACKS_MODE_AND_SC){
+			lua_pop(L, 1);
+			lua_pushboolean(L, true);
+		}
+		else if(mode == RUN_CALLBACKS_MODE_OR ||
+				mode == RUN_CALLBACKS_MODE_OR_SC){
+			lua_pop(L, 1);
+			lua_pushboolean(L, false);
+		}
+	}
+}
+
+void ScriptApiBase::addObjectReference(ServerActiveObject *cobj)
+{
+	SCRIPTAPI_PRECHECKHEADER
+	//infostream<<"scriptapi_add_object_reference: id="<<cobj->getId()<<std::endl;
+
+	// Create object on stack
+	ObjectRef::create(L, cobj); // Puts ObjectRef (as userdata) on stack
+	int object = lua_gettop(L);
+
+	// Get minetest.object_refs table
+	lua_getglobal(L, "minetest");
+	lua_getfield(L, -1, "object_refs");
+	luaL_checktype(L, -1, LUA_TTABLE);
+	int objectstable = lua_gettop(L);
+
+	// object_refs[id] = object
+	lua_pushnumber(L, cobj->getId()); // Push id
+	lua_pushvalue(L, object); // Copy object to top of stack
+	lua_settable(L, objectstable);
+}
+
+void ScriptApiBase::removeObjectReference(ServerActiveObject *cobj)
+{
+	SCRIPTAPI_PRECHECKHEADER
+	//infostream<<"scriptapi_rm_object_reference: id="<<cobj->getId()<<std::endl;
+
+	// Get minetest.object_refs table
+	lua_getglobal(L, "minetest");
+	lua_getfield(L, -1, "object_refs");
+	luaL_checktype(L, -1, LUA_TTABLE);
+	int objectstable = lua_gettop(L);
+
+	// Get object_refs[id]
+	lua_pushnumber(L, cobj->getId()); // Push id
+	lua_gettable(L, objectstable);
+	// Set object reference to NULL
+	ObjectRef::set_null(L);
+	lua_pop(L, 1); // pop object
+
+	// Set object_refs[id] = nil
+	lua_pushnumber(L, cobj->getId()); // Push id
+	lua_pushnil(L);
+	lua_settable(L, objectstable);
+}
+
+// Creates a new anonymous reference if cobj=NULL or id=0
+void ScriptApiBase::objectrefGetOrCreate(
+		ServerActiveObject *cobj)
+{
+	lua_State *L = getStack();
+
+	if(cobj == NULL || cobj->getId() == 0){
+		ObjectRef::create(L, cobj);
+	} else {
+		objectrefGet(cobj->getId());
+	}
+}
+
+void ScriptApiBase::objectrefGet(u16 id)
+{
+	lua_State *L = getStack();
+
+	// Get minetest.object_refs[i]
+	lua_getglobal(L, "minetest");
+	lua_getfield(L, -1, "object_refs");
+	luaL_checktype(L, -1, LUA_TTABLE);
+	lua_pushnumber(L, id);
+	lua_gettable(L, -2);
+	lua_remove(L, -2); // object_refs
+	lua_remove(L, -2); // minetest
+}

src/script/cpp_api/s_base.h

@@ -0,0 +1,167 @@
+/*
+Minetest
+Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com>
+
+This program is free software; you can redistribute it and/or modify
+it under the terms of the GNU Lesser General Public License as published by
+the Free Software Foundation; either version 2.1 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU Lesser General Public License for more details.
+
+You should have received a copy of the GNU Lesser General Public License along
+with this program; if not, write to the Free Software Foundation, Inc.,
+51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+*/
+
+#ifndef S_BASE_H_
+#define S_BASE_H_
+
+#include <iostream>
+
+#include "irrlichttypes.h"
+#include "jmutex.h"
+#include "jmutexautolock.h"
+#include "common/c_types.h"
+#include "debug.h"
+
+#define LOCK_DEBUG
+
+class Server;
+class Environment;
+class ServerActiveObject;
+class LuaABM;
+class InvRef;
+class ModApiBase;
+class ModApiEnvMod;
+class ObjectRef;
+class NodeMetaRef;
+
+
+/* definitions */
+// What scriptapi_run_callbacks does with the return values of callbacks.
+// Regardless of the mode, if only one callback is defined,
+// its return value is the total return value.
+// Modes only affect the case where 0 or >= 2 callbacks are defined.
+enum RunCallbacksMode
+{
+	// Returns the return value of the first callback
+	// Returns nil if list of callbacks is empty
+	RUN_CALLBACKS_MODE_FIRST,
+	// Returns the return value of the last callback
+	// Returns nil if list of callbacks is empty
+	RUN_CALLBACKS_MODE_LAST,
+	// If any callback returns a false value, the first such is returned
+	// Otherwise, the first callback's return value (trueish) is returned
+	// Returns true if list of callbacks is empty
+	RUN_CALLBACKS_MODE_AND,
+	// Like above, but stops calling callbacks (short circuit)
+	// after seeing the first false value
+	RUN_CALLBACKS_MODE_AND_SC,
+	// If any callback returns a true value, the first such is returned
+	// Otherwise, the first callback's return value (falseish) is returned
+	// Returns false if list of callbacks is empty
+	RUN_CALLBACKS_MODE_OR,
+	// Like above, but stops calling callbacks (short circuit)
+	// after seeing the first true value
+	RUN_CALLBACKS_MODE_OR_SC,
+	// Note: "a true value" and "a false value" refer to values that
+	// are converted by lua_toboolean to true or false, respectively.
+};
+
+
+class ScriptApiBase {
+public:
+
+	/* object */
+	void addObjectReference(ServerActiveObject *cobj);
+	void removeObjectReference(ServerActiveObject *cobj);
+
+	ScriptApiBase();
+
+protected:
+	friend class LuaABM;
+	friend class InvRef;
+	friend class ObjectRef;
+	friend class NodeMetaRef;
+	friend class ModApiBase;
+	friend class ModApiEnvMod;
+
+
+	inline lua_State* getStack()
+		{ return m_luastack; }
+
+	bool setStack(lua_State* stack) {
+		if (m_luastack == 0) {
+			m_luastack = stack;
+			return true;
+		}
+		return false;
+	}
+
+	void realityCheck();
+	void scriptError(const char *fmt, ...);
+	void stackDump(std::ostream &o);
+	void runCallbacks(int nargs,RunCallbacksMode mode);
+
+	inline Server* getServer() { return m_server; }
+	void setServer(Server* server) { m_server = server; }
+
+	Environment* getEnv() { return m_environment; }
+	void setEnv(Environment* env) { m_environment = env; }
+
+	void objectrefGetOrCreate(ServerActiveObject *cobj);
+	void objectrefGet(u16 id);
+
+	JMutex			m_luastackmutex;
+#ifdef LOCK_DEBUG
+	bool            m_locked;
+#endif
+private:
+	lua_State*      m_luastack;
+
+	Server* 		m_server;
+	Environment*	m_environment;
+
+
+};
+
+#ifdef LOCK_DEBUG
+class LockChecker {
+public:
+	LockChecker(bool* variable) {
+		assert(*variable == false);
+
+		m_variable = variable;
+		*m_variable = true;
+	}
+	~LockChecker() {
+		*m_variable = false;
+	}
+private:
+bool* m_variable;
+};
+
+#define LOCK_CHECK LockChecker(&(this->m_locked))
+#else
+#define LOCK_CHECK while(0)
+#endif
+
+#define LUA_STACK_AUTOLOCK JMutexAutoLock(this->m_luastackmutex)
+
+#define SCRIPTAPI_PRECHECKHEADER                                               \
+		LUA_STACK_AUTOLOCK;                                                    \
+		LOCK_CHECK;                                                            \
+		realityCheck();                                                        \
+		lua_State *L = getStack();                                             \
+		assert(lua_checkstack(L, 20));                                         \
+		StackUnroller stack_unroller(L);
+
+#define PLAYER_TO_SA(p)   p->getEnv()->getScriptIface()
+#define ENV_TO_SA(env)    env->getScriptIface()
+#define SERVER_TO_SA(srv) srv->getScriptIface()
+
+#endif /* S_BASE_H_ */

src/script/cpp_api/s_entity.cpp

@@ -17,43 +17,22 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */
 
-#include "scriptapi.h"
+#include "cpp_api/s_entity.h"
-#include "scriptapi_entity.h"
+#include "log.h"
+#include "object_properties.h"
+#include "common/c_converter.h"
+#include "common/c_content.h"
 
 extern "C" {
-#include <lauxlib.h>
+#include "lauxlib.h"
 }
 
-#include "log.h"
+bool ScriptApiEntity::luaentity_Add(u16 id, const char *name)
-#include "script.h"
-#include "scriptapi_types.h"
-#include "scriptapi_object.h"
-#include "scriptapi_common.h"
-
-
-void luaentity_get(lua_State *L, u16 id)
 {
-	// Get minetest.luaentities[i]
+	SCRIPTAPI_PRECHECKHEADER
-	lua_getglobal(L, "minetest");
-	lua_getfield(L, -1, "luaentities");
-	luaL_checktype(L, -1, LUA_TTABLE);
-	lua_pushnumber(L, id);
-	lua_gettable(L, -2);
-	lua_remove(L, -2); // luaentities
-	lua_remove(L, -2); // minetest
-}
 
-/*
-	luaentity
-*/
-
-bool scriptapi_luaentity_add(lua_State *L, u16 id, const char *name)
-{
-	realitycheck(L);
-	assert(lua_checkstack(L, 20));
 	verbosestream<<"scriptapi_luaentity_add: id="<<id<<" name=\""
 			<<name<<"\""<<std::endl;
-	StackUnroller stack_unroller(L);
 
 	// Get minetest.registered_entities[name]
 	lua_getglobal(L, "minetest");
@@ -80,7 +59,7 @@ bool scriptapi_luaentity_add(lua_State *L, u16 id, const char *name)
 
 	// Add object reference
 	// This should be userdata with metatable ObjectRef
-	objectref_get(L, id);
+	objectrefGet(id);
 	luaL_checktype(L, -1, LUA_TUSERDATA);
 	if(!luaL_checkudata(L, -1, "ObjectRef"))
 		luaL_typerror(L, -1, "ObjectRef");
@@ -97,16 +76,15 @@ bool scriptapi_luaentity_add(lua_State *L, u16 id, const char *name)
 	return true;
 }
 
-void scriptapi_luaentity_activate(lua_State *L, u16 id,
+void ScriptApiEntity::luaentity_Activate(u16 id,
 		const std::string &staticdata, u32 dtime_s)
 {
-	realitycheck(L);
+	SCRIPTAPI_PRECHECKHEADER
-	assert(lua_checkstack(L, 20));
+
 	verbosestream<<"scriptapi_luaentity_activate: id="<<id<<std::endl;
-	StackUnroller stack_unroller(L);
 
 	// Get minetest.luaentities[id]
-	luaentity_get(L, id);
+	luaentity_get(L,id);
 	int object = lua_gettop(L);
 
 	// Get on_activate function
@@ -119,15 +97,15 @@ void scriptapi_luaentity_activate(lua_State *L, u16 id,
 		lua_pushinteger(L, dtime_s);
 		// Call with 3 arguments, 0 results
 		if(lua_pcall(L, 3, 0, 0))
-			script_error(L, "error running function on_activate: %s\n",
+			scriptError("error running function on_activate: %s\n",
 					lua_tostring(L, -1));
 	}
 }
 
-void scriptapi_luaentity_rm(lua_State *L, u16 id)
+void ScriptApiEntity::luaentity_Remove(u16 id)
 {
-	realitycheck(L);
+	SCRIPTAPI_PRECHECKHEADER
-	assert(lua_checkstack(L, 20));
+
 	verbosestream<<"scriptapi_luaentity_rm: id="<<id<<std::endl;
 
 	// Get minetest.luaentities table
@@ -144,15 +122,14 @@ void scriptapi_luaentity_rm(lua_State *L, u16 id)
 	lua_pop(L, 2); // pop luaentities, minetest
 }
 
-std::string scriptapi_luaentity_get_staticdata(lua_State *L, u16 id)
+std::string ScriptApiEntity::luaentity_GetStaticdata(u16 id)
 {
-	realitycheck(L);
+	SCRIPTAPI_PRECHECKHEADER
-	assert(lua_checkstack(L, 20));
+
 	//infostream<<"scriptapi_luaentity_get_staticdata: id="<<id<<std::endl;
-	StackUnroller stack_unroller(L);
 
 	// Get minetest.luaentities[id]
-	luaentity_get(L, id);
+	luaentity_get(L,id);
 	int object = lua_gettop(L);
 
 	// Get get_staticdata function
@@ -165,7 +142,7 @@ std::string scriptapi_luaentity_get_staticdata(lua_State *L, u16 id)
 	lua_pushvalue(L, object); // self
 	// Call with 1 arguments, 1 results
 	if(lua_pcall(L, 1, 1, 0))
-		script_error(L, "error running function get_staticdata: %s\n",
+		scriptError("error running function get_staticdata: %s\n",
 				lua_tostring(L, -1));
 
 	size_t len=0;
@@ -173,16 +150,15 @@ std::string scriptapi_luaentity_get_staticdata(lua_State *L, u16 id)
 	return std::string(s, len);
 }
 
-void scriptapi_luaentity_get_properties(lua_State *L, u16 id,
+void ScriptApiEntity::luaentity_GetProperties(u16 id,
 		ObjectProperties *prop)
 {
-	realitycheck(L);
+	SCRIPTAPI_PRECHECKHEADER
-	assert(lua_checkstack(L, 20));
+
 	//infostream<<"scriptapi_luaentity_get_properties: id="<<id<<std::endl;
-	StackUnroller stack_unroller(L);
 
 	// Get minetest.luaentities[id]
-	luaentity_get(L, id);
+	luaentity_get(L,id);
 	//int object = lua_gettop(L);
 
 	// Set default values that differ from ObjectProperties defaults
@@ -214,15 +190,14 @@ void scriptapi_luaentity_get_properties(lua_State *L, u16 id,
 	lua_pop(L, 1);
 }
 
-void scriptapi_luaentity_step(lua_State *L, u16 id, float dtime)
+void ScriptApiEntity::luaentity_Step(u16 id, float dtime)
 {
-	realitycheck(L);
+	SCRIPTAPI_PRECHECKHEADER
-	assert(lua_checkstack(L, 20));
+
 	//infostream<<"scriptapi_luaentity_step: id="<<id<<std::endl;
-	StackUnroller stack_unroller(L);
 
 	// Get minetest.luaentities[id]
-	luaentity_get(L, id);
+	luaentity_get(L,id);
 	int object = lua_gettop(L);
 	// State: object is at top of stack
 	// Get step function
@@ -234,22 +209,21 @@ void scriptapi_luaentity_step(lua_State *L, u16 id, float dtime)
 	lua_pushnumber(L, dtime); // dtime
 	// Call with 2 arguments, 0 results
 	if(lua_pcall(L, 2, 0, 0))
-		script_error(L, "error running function 'on_step': %s\n", lua_tostring(L, -1));
+		scriptError("error running function 'on_step': %s\n", lua_tostring(L, -1));
 }
 
 // Calls entity:on_punch(ObjectRef puncher, time_from_last_punch,
 //                       tool_capabilities, direction)
-void scriptapi_luaentity_punch(lua_State *L, u16 id,
+void ScriptApiEntity::luaentity_Punch(u16 id,
 		ServerActiveObject *puncher, float time_from_last_punch,
 		const ToolCapabilities *toolcap, v3f dir)
 {
-	realitycheck(L);
+	SCRIPTAPI_PRECHECKHEADER
-	assert(lua_checkstack(L, 20));
+
 	//infostream<<"scriptapi_luaentity_step: id="<<id<<std::endl;
-	StackUnroller stack_unroller(L);
 
 	// Get minetest.luaentities[id]
-	luaentity_get(L, id);
+	luaentity_get(L,id);
 	int object = lua_gettop(L);
 	// State: object is at top of stack
 	// Get function
@@ -258,26 +232,25 @@ void scriptapi_luaentity_punch(lua_State *L, u16 id,
 		return;
 	luaL_checktype(L, -1, LUA_TFUNCTION);
 	lua_pushvalue(L, object); // self
-	objectref_get_or_create(L, puncher); // Clicker reference
+	objectrefGetOrCreate(puncher); // Clicker reference
 	lua_pushnumber(L, time_from_last_punch);
 	push_tool_capabilities(L, *toolcap);
 	push_v3f(L, dir);
 	// Call with 5 arguments, 0 results
 	if(lua_pcall(L, 5, 0, 0))
-		script_error(L, "error running function 'on_punch': %s\n", lua_tostring(L, -1));
+		scriptError("error running function 'on_punch': %s\n", lua_tostring(L, -1));
 }
 
 // Calls entity:on_rightclick(ObjectRef clicker)
-void scriptapi_luaentity_rightclick(lua_State *L, u16 id,
+void ScriptApiEntity::luaentity_Rightclick(u16 id,
 		ServerActiveObject *clicker)
 {
-	realitycheck(L);
+	SCRIPTAPI_PRECHECKHEADER
-	assert(lua_checkstack(L, 20));
+
 	//infostream<<"scriptapi_luaentity_step: id="<<id<<std::endl;
-	StackUnroller stack_unroller(L);
 
 	// Get minetest.luaentities[id]
-	luaentity_get(L, id);
+	luaentity_get(L,id);
 	int object = lua_gettop(L);
 	// State: object is at top of stack
 	// Get function
@@ -286,8 +259,9 @@ void scriptapi_luaentity_rightclick(lua_State *L, u16 id,
 		return;
 	luaL_checktype(L, -1, LUA_TFUNCTION);
 	lua_pushvalue(L, object); // self
-	objectref_get_or_create(L, clicker); // Clicker reference
+	objectrefGetOrCreate(clicker); // Clicker reference
 	// Call with 2 arguments, 0 results
 	if(lua_pcall(L, 2, 0, 0))
-		script_error(L, "error running function 'on_rightclick': %s\n", lua_tostring(L, -1));
+		scriptError("error running function 'on_rightclick': %s\n", lua_tostring(L, -1));
 }
+

src/script/cpp_api/s_entity.h

@@ -0,0 +1,50 @@
+/*
+Minetest
+Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com>
+
+This program is free software; you can redistribute it and/or modify
+it under the terms of the GNU Lesser General Public License as published by
+the Free Software Foundation; either version 2.1 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU Lesser General Public License for more details.
+
+You should have received a copy of the GNU Lesser General Public License along
+with this program; if not, write to the Free Software Foundation, Inc.,
+51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+*/
+
+#ifndef S_ENTITY_H_
+#define S_ENTITY_H_
+
+#include "cpp_api/s_base.h"
+#include "irr_v3d.h"
+
+class ObjectProperties;
+class ToolCapabilities;
+
+class ScriptApiEntity
+		: virtual public ScriptApiBase
+{
+public:
+	bool luaentity_Add(u16 id, const char *name);
+	void luaentity_Activate(u16 id,
+			const std::string &staticdata, u32 dtime_s);
+	void luaentity_Remove(u16 id);
+	std::string luaentity_GetStaticdata(u16 id);
+	void luaentity_GetProperties(u16 id,
+			ObjectProperties *prop);
+	void luaentity_Step(u16 id, float dtime);
+	void luaentity_Punch(u16 id,
+			ServerActiveObject *puncher, float time_from_last_punch,
+			const ToolCapabilities *toolcap, v3f dir);
+	void luaentity_Rightclick(u16 id,
+			ServerActiveObject *clicker);
+};
+
+
+
+#endif /* S_ENTITY_H_ */

src/script/cpp_api/s_env.cpp

@@ -0,0 +1,132 @@
+/*
+Minetest
+Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com>
+
+This program is free software; you can redistribute it and/or modify
+it under the terms of the GNU Lesser General Public License as published by
+the Free Software Foundation; either version 2.1 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU Lesser General Public License for more details.
+
+You should have received a copy of the GNU Lesser General Public License along
+with this program; if not, write to the Free Software Foundation, Inc.,
+51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+*/
+
+#include "cpp_api/s_env.h"
+#include "common/c_converter.h"
+#include "log.h"
+#include "environment.h"
+#include "lua_api/l_env.h"
+
+extern "C" {
+#include "lauxlib.h"
+}
+
+void ScriptApiEnv::environment_OnGenerated(v3s16 minp, v3s16 maxp,
+		u32 blockseed)
+{
+	SCRIPTAPI_PRECHECKHEADER
+
+	// Get minetest.registered_on_generateds
+	lua_getglobal(L, "minetest");
+	lua_getfield(L, -1, "registered_on_generateds");
+	// Call callbacks
+	push_v3s16(L, minp);
+	push_v3s16(L, maxp);
+	lua_pushnumber(L, blockseed);
+	runCallbacks(3, RUN_CALLBACKS_MODE_FIRST);
+}
+
+void ScriptApiEnv::environment_Step(float dtime)
+{
+	SCRIPTAPI_PRECHECKHEADER
+	//infostream<<"scriptapi_environment_step"<<std::endl;
+
+	// Get minetest.registered_globalsteps
+	lua_getglobal(L, "minetest");
+	lua_getfield(L, -1, "registered_globalsteps");
+	// Call callbacks
+	lua_pushnumber(L, dtime);
+	runCallbacks(1, RUN_CALLBACKS_MODE_FIRST);
+}
+
+void ScriptApiEnv::initializeEnvironment(ServerEnvironment *env)
+{
+	SCRIPTAPI_PRECHECKHEADER
+	verbosestream<<"scriptapi_add_environment"<<std::endl;
+	setEnv(env);
+
+	/*
+		Add ActiveBlockModifiers to environment
+	*/
+
+	// Get minetest.registered_abms
+	lua_getglobal(L, "minetest");
+	lua_getfield(L, -1, "registered_abms");
+	luaL_checktype(L, -1, LUA_TTABLE);
+	int registered_abms = lua_gettop(L);
+
+	if(lua_istable(L, registered_abms)){
+		int table = lua_gettop(L);
+		lua_pushnil(L);
+		while(lua_next(L, table) != 0){
+			// key at index -2 and value at index -1
+			int id = lua_tonumber(L, -2);
+			int current_abm = lua_gettop(L);
+
+			std::set<std::string> trigger_contents;
+			lua_getfield(L, current_abm, "nodenames");
+			if(lua_istable(L, -1)){
+				int table = lua_gettop(L);
+				lua_pushnil(L);
+				while(lua_next(L, table) != 0){
+					// key at index -2 and value at index -1
+					luaL_checktype(L, -1, LUA_TSTRING);
+					trigger_contents.insert(lua_tostring(L, -1));
+					// removes value, keeps key for next iteration
+					lua_pop(L, 1);
+				}
+			} else if(lua_isstring(L, -1)){
+				trigger_contents.insert(lua_tostring(L, -1));
+			}
+			lua_pop(L, 1);
+
+			std::set<std::string> required_neighbors;
+			lua_getfield(L, current_abm, "neighbors");
+			if(lua_istable(L, -1)){
+				int table = lua_gettop(L);
+				lua_pushnil(L);
+				while(lua_next(L, table) != 0){
+					// key at index -2 and value at index -1
+					luaL_checktype(L, -1, LUA_TSTRING);
+					required_neighbors.insert(lua_tostring(L, -1));
+					// removes value, keeps key for next iteration
+					lua_pop(L, 1);
+				}
+			} else if(lua_isstring(L, -1)){
+				required_neighbors.insert(lua_tostring(L, -1));
+			}
+			lua_pop(L, 1);
+
+			float trigger_interval = 10.0;
+			getfloatfield(L, current_abm, "interval", trigger_interval);
+
+			int trigger_chance = 50;
+			getintfield(L, current_abm, "chance", trigger_chance);
+
+			LuaABM *abm = new LuaABM(L, id, trigger_contents,
+					required_neighbors, trigger_interval, trigger_chance);
+
+			env->addActiveBlockModifier(abm);
+
+			// removes value, keeps key for next iteration
+			lua_pop(L, 1);
+		}
+	}
+	lua_pop(L, 1);
+}

src/script/cpp_api/s_env.h

@@ -17,33 +17,24 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */
 
-#ifndef SCRIPT_HEADER
+#ifndef S_ENV_H_
-#define SCRIPT_HEADER
+#define S_ENV_H_
 
-#include <exception>
+#include "cpp_api/s_base.h"
-#include <string>
+#include "irr_v3d.h"
 
-typedef struct lua_State lua_State;
+class ServerEnvironment;
 
-class LuaError : public std::exception
+class ScriptApiEnv
+		: virtual public ScriptApiBase
 {
 public:
-	LuaError(lua_State *L, const std::string &s);
+	// On environment step
+	void environment_Step(float dtime);
+	// After generating a piece of map
+	void environment_OnGenerated(v3s16 minp, v3s16 maxp,u32 blockseed);
 
-	virtual ~LuaError() throw()
+	void initializeEnvironment(ServerEnvironment *env);
-	{}
-	virtual const char * what() const throw()
-	{
-		return m_s.c_str();
-	}
-	std::string m_s;
 };
 
-lua_State* script_init();
+#endif /* S_ENV_H_ */
-void script_deinit(lua_State *L);
-std::string script_get_backtrace(lua_State *L);
-void script_error(lua_State *L, const char *fmt, ...);
-bool script_load(lua_State *L, const char *path);
-
-#endif
-

src/script/cpp_api/s_inventory.cpp

@@ -0,0 +1,260 @@
+/*
+Minetest
+Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com>
+
+This program is free software; you can redistribute it and/or modify
+it under the terms of the GNU Lesser General Public License as published by
+the Free Software Foundation; either version 2.1 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU Lesser General Public License for more details.
+
+You should have received a copy of the GNU Lesser General Public License along
+with this program; if not, write to the Free Software Foundation, Inc.,
+51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+*/
+
+#include "cpp_api/s_inventory.h"
+#include "inventorymanager.h"
+#include "lua_api/l_inventory.h"
+#include "lua_api/l_item.h"
+#include "log.h"
+
+// Return number of accepted items to be moved
+int ScriptApiDetached::detached_inventory_AllowMove(
+		const std::string &name,
+		const std::string &from_list, int from_index,
+		const std::string &to_list, int to_index,
+		int count, ServerActiveObject *player)
+{
+	SCRIPTAPI_PRECHECKHEADER
+
+	// Push callback function on stack
+	if(!getDetachedInventoryCallback(name, "allow_move"))
+		return count;
+
+	// function(inv, from_list, from_index, to_list, to_index, count, player)
+	// inv
+	InventoryLocation loc;
+	loc.setDetached(name);
+	InvRef::create(L, loc);
+	// from_list
+	lua_pushstring(L, from_list.c_str());
+	// from_index
+	lua_pushinteger(L, from_index + 1);
+	// to_list
+	lua_pushstring(L, to_list.c_str());
+	// to_index
+	lua_pushinteger(L, to_index + 1);
+	// count
+	lua_pushinteger(L, count);
+	// player
+	objectrefGetOrCreate(player);
+	if(lua_pcall(L, 7, 1, 0))
+		scriptError("error: %s", lua_tostring(L, -1));
+	if(!lua_isnumber(L, -1))
+		throw LuaError(L, "allow_move should return a number");
+	return luaL_checkinteger(L, -1);
+}
+
+// Return number of accepted items to be put
+int ScriptApiDetached::detached_inventory_AllowPut(
+		const std::string &name,
+		const std::string &listname, int index, ItemStack &stack,
+		ServerActiveObject *player)
+{
+	SCRIPTAPI_PRECHECKHEADER
+
+	// Push callback function on stack
+	if(!getDetachedInventoryCallback(name, "allow_put"))
+		return stack.count; // All will be accepted
+
+	// Call function(inv, listname, index, stack, player)
+	// inv
+	InventoryLocation loc;
+	loc.setDetached(name);
+	InvRef::create(L, loc);
+	// listname
+	lua_pushstring(L, listname.c_str());
+	// index
+	lua_pushinteger(L, index + 1);
+	// stack
+	LuaItemStack::create(L, stack);
+	// player
+	objectrefGetOrCreate(player);
+	if(lua_pcall(L, 5, 1, 0))
+		scriptError("error: %s", lua_tostring(L, -1));
+	if(!lua_isnumber(L, -1))
+		throw LuaError(L, "allow_put should return a number");
+	return luaL_checkinteger(L, -1);
+}
+
+// Return number of accepted items to be taken
+int ScriptApiDetached::detached_inventory_AllowTake(
+		const std::string &name,
+		const std::string &listname, int index, ItemStack &stack,
+		ServerActiveObject *player)
+{
+	SCRIPTAPI_PRECHECKHEADER
+
+	// Push callback function on stack
+	if(!getDetachedInventoryCallback(name, "allow_take"))
+		return stack.count; // All will be accepted
+
+	// Call function(inv, listname, index, stack, player)
+	// inv
+	InventoryLocation loc;
+	loc.setDetached(name);
+	InvRef::create(L, loc);
+	// listname
+	lua_pushstring(L, listname.c_str());
+	// index
+	lua_pushinteger(L, index + 1);
+	// stack
+	LuaItemStack::create(L, stack);
+	// player
+	objectrefGetOrCreate(player);
+	if(lua_pcall(L, 5, 1, 0))
+		scriptError("error: %s", lua_tostring(L, -1));
+	if(!lua_isnumber(L, -1))
+		throw LuaError(L, "allow_take should return a number");
+	return luaL_checkinteger(L, -1);
+}
+
+// Report moved items
+void ScriptApiDetached::detached_inventory_OnMove(
+		const std::string &name,
+		const std::string &from_list, int from_index,
+		const std::string &to_list, int to_index,
+		int count, ServerActiveObject *player)
+{
+	SCRIPTAPI_PRECHECKHEADER
+
+	// Push callback function on stack
+	if(!getDetachedInventoryCallback(name, "on_move"))
+		return;
+
+	// function(inv, from_list, from_index, to_list, to_index, count, player)
+	// inv
+	InventoryLocation loc;
+	loc.setDetached(name);
+	InvRef::create(L, loc);
+	// from_list
+	lua_pushstring(L, from_list.c_str());
+	// from_index
+	lua_pushinteger(L, from_index + 1);
+	// to_list
+	lua_pushstring(L, to_list.c_str());
+	// to_index
+	lua_pushinteger(L, to_index + 1);
+	// count
+	lua_pushinteger(L, count);
+	// player
+	objectrefGetOrCreate(player);
+	if(lua_pcall(L, 7, 0, 0))
+		scriptError("error: %s", lua_tostring(L, -1));
+}
+
+// Report put items
+void ScriptApiDetached::detached_inventory_OnPut(
+		const std::string &name,
+		const std::string &listname, int index, ItemStack &stack,
+		ServerActiveObject *player)
+{
+	SCRIPTAPI_PRECHECKHEADER
+
+	// Push callback function on stack
+	if(!getDetachedInventoryCallback(name, "on_put"))
+		return;
+
+	// Call function(inv, listname, index, stack, player)
+	// inv
+	InventoryLocation loc;
+	loc.setDetached(name);
+	InvRef::create(L, loc);
+	// listname
+	lua_pushstring(L, listname.c_str());
+	// index
+	lua_pushinteger(L, index + 1);
+	// stack
+	LuaItemStack::create(L, stack);
+	// player
+	objectrefGetOrCreate(player);
+	if(lua_pcall(L, 5, 0, 0))
+		scriptError("error: %s", lua_tostring(L, -1));
+}
+
+// Report taken items
+void ScriptApiDetached::detached_inventory_OnTake(
+		const std::string &name,
+		const std::string &listname, int index, ItemStack &stack,
+		ServerActiveObject *player)
+{
+	SCRIPTAPI_PRECHECKHEADER
+
+	// Push callback function on stack
+	if(!getDetachedInventoryCallback(name, "on_take"))
+		return;
+
+	// Call function(inv, listname, index, stack, player)
+	// inv
+	InventoryLocation loc;
+	loc.setDetached(name);
+	InvRef::create(L, loc);
+	// listname
+	lua_pushstring(L, listname.c_str());
+	// index
+	lua_pushinteger(L, index + 1);
+	// stack
+	LuaItemStack::create(L, stack);
+	// player
+	objectrefGetOrCreate(player);
+	if(lua_pcall(L, 5, 0, 0))
+		scriptError("error: %s", lua_tostring(L, -1));
+}
+
+// Retrieves minetest.detached_inventories[name][callbackname]
+// If that is nil or on error, return false and stack is unchanged
+// If that is a function, returns true and pushes the
+// function onto the stack
+bool ScriptApiDetached::getDetachedInventoryCallback(
+		const std::string &name, const char *callbackname)
+{
+	lua_State *L = getStack();
+
+	lua_getglobal(L, "minetest");
+	lua_getfield(L, -1, "detached_inventories");
+	lua_remove(L, -2);
+	luaL_checktype(L, -1, LUA_TTABLE);
+	lua_getfield(L, -1, name.c_str());
+	lua_remove(L, -2);
+	// Should be a table
+	if(lua_type(L, -1) != LUA_TTABLE)
+	{
+		errorstream<<"Item \""<<name<<"\" not defined"<<std::endl;
+		lua_pop(L, 1);
+		return false;
+	}
+	lua_getfield(L, -1, callbackname);
+	lua_remove(L, -2);
+	// Should be a function or nil
+	if(lua_type(L, -1) == LUA_TFUNCTION)
+	{
+		return true;
+	}
+	else if(lua_isnil(L, -1))
+	{
+		lua_pop(L, 1);
+		return false;
+	}
+	else
+	{
+		errorstream<<"Detached inventory \""<<name<<"\" callback \""
+			<<callbackname<<"\" is not a function"<<std::endl;
+		lua_pop(L, 1);
+		return false;
+	}
+}

src/script/cpp_api/s_inventory.h

@@ -0,0 +1,71 @@
+/*
+Minetest
+Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com>
+
+This program is free software; you can redistribute it and/or modify
+it under the terms of the GNU Lesser General Public License as published by
+the Free Software Foundation; either version 2.1 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU Lesser General Public License for more details.
+
+You should have received a copy of the GNU Lesser General Public License along
+with this program; if not, write to the Free Software Foundation, Inc.,
+51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+*/
+
+#ifndef S_INVENTORY_H_
+#define S_INVENTORY_H_
+
+#include "cpp_api/s_base.h"
+
+class ItemStack;
+
+class ScriptApiDetached
+		: virtual public ScriptApiBase
+{
+public:
+	/* Detached inventory callbacks */
+	// Return number of accepted items to be moved
+	int detached_inventory_AllowMove(
+			const std::string &name,
+			const std::string &from_list, int from_index,
+			const std::string &to_list, int to_index,
+			int count, ServerActiveObject *player);
+	// Return number of accepted items to be put
+	int detached_inventory_AllowPut(
+			const std::string &name,
+			const std::string &listname, int index, ItemStack &stack,
+			ServerActiveObject *player);
+	// Return number of accepted items to be taken
+	int detached_inventory_AllowTake(
+			const std::string &name,
+			const std::string &listname, int index, ItemStack &stack,
+			ServerActiveObject *player);
+	// Report moved items
+	void detached_inventory_OnMove(
+			const std::string &name,
+			const std::string &from_list, int from_index,
+			const std::string &to_list, int to_index,
+			int count, ServerActiveObject *player);
+	// Report put items
+	void detached_inventory_OnPut(
+			const std::string &name,
+			const std::string &listname, int index, ItemStack &stack,
+			ServerActiveObject *player);
+	// Report taken items
+	void detached_inventory_OnTake(
+			const std::string &name,
+			const std::string &listname, int index, ItemStack &stack,
+			ServerActiveObject *player);
+private:
+	bool getDetachedInventoryCallback(
+			const std::string &name, const char *callbackname);
+};
+
+
+
+#endif /* S_INVENTORY_H_ */

src/script/cpp_api/s_item.cpp

@@ -0,0 +1,164 @@
+/*
+Minetest
+Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com>
+
+This program is free software; you can redistribute it and/or modify
+it under the terms of the GNU Lesser General Public License as published by
+the Free Software Foundation; either version 2.1 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU Lesser General Public License for more details.
+
+You should have received a copy of the GNU Lesser General Public License along
+with this program; if not, write to the Free Software Foundation, Inc.,
+51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+*/
+
+#include "cpp_api/s_item.h"
+#include "common/c_converter.h"
+#include "common/c_content.h"
+#include "lua_api/l_item.h"
+#include "server.h"
+
+bool ScriptApiItem::item_OnDrop(ItemStack &item,
+		ServerActiveObject *dropper, v3f pos)
+{
+	SCRIPTAPI_PRECHECKHEADER
+
+	// Push callback function on stack
+	if(!getItemCallback(item.name.c_str(), "on_drop"))
+		return false;
+
+	// Call function
+	LuaItemStack::create(L, item);
+	objectrefGetOrCreate(dropper);
+	pushFloatPos(L, pos);
+	if(lua_pcall(L, 3, 1, 0))
+		scriptError("error: %s", lua_tostring(L, -1));
+	if(!lua_isnil(L, -1))
+		item = read_item(L,-1, getServer());
+	return true;
+}
+
+bool ScriptApiItem::item_OnPlace(ItemStack &item,
+		ServerActiveObject *placer, const PointedThing &pointed)
+{
+	SCRIPTAPI_PRECHECKHEADER
+
+	// Push callback function on stack
+	if(!getItemCallback(item.name.c_str(), "on_place"))
+		return false;
+
+	// Call function
+	LuaItemStack::create(L, item);
+	objectrefGetOrCreate(placer);
+	pushPointedThing(pointed);
+	if(lua_pcall(L, 3, 1, 0))
+		scriptError("error: %s", lua_tostring(L, -1));
+	if(!lua_isnil(L, -1))
+		item = read_item(L,-1, getServer());
+	return true;
+}
+
+bool ScriptApiItem::item_OnUse(ItemStack &item,
+		ServerActiveObject *user, const PointedThing &pointed)
+{
+	SCRIPTAPI_PRECHECKHEADER
+
+	// Push callback function on stack
+	if(!getItemCallback(item.name.c_str(), "on_use"))
+		return false;
+
+	// Call function
+	LuaItemStack::create(L, item);
+	objectrefGetOrCreate(user);
+	pushPointedThing(pointed);
+	if(lua_pcall(L, 3, 1, 0))
+		scriptError("error: %s", lua_tostring(L, -1));
+	if(!lua_isnil(L, -1))
+		item = read_item(L,-1, getServer());
+	return true;
+}
+
+// Retrieves minetest.registered_items[name][callbackname]
+// If that is nil or on error, return false and stack is unchanged
+// If that is a function, returns true and pushes the
+// function onto the stack
+// If minetest.registered_items[name] doesn't exist, minetest.nodedef_default
+// is tried instead so unknown items can still be manipulated to some degree
+bool ScriptApiItem::getItemCallback(const char *name, const char *callbackname)
+{
+	lua_State* L = getStack();
+
+	lua_getglobal(L, "minetest");
+	lua_getfield(L, -1, "registered_items");
+	lua_remove(L, -2);
+	luaL_checktype(L, -1, LUA_TTABLE);
+	lua_getfield(L, -1, name);
+	lua_remove(L, -2);
+	// Should be a table
+	if(lua_type(L, -1) != LUA_TTABLE)
+	{
+		// Report error and clean up
+		errorstream<<"Item \""<<name<<"\" not defined"<<std::endl;
+		lua_pop(L, 1);
+
+		// Try minetest.nodedef_default instead
+		lua_getglobal(L, "minetest");
+		lua_getfield(L, -1, "nodedef_default");
+		lua_remove(L, -2);
+		luaL_checktype(L, -1, LUA_TTABLE);
+	}
+	lua_getfield(L, -1, callbackname);
+	lua_remove(L, -2);
+	// Should be a function or nil
+	if(lua_type(L, -1) == LUA_TFUNCTION)
+	{
+		return true;
+	}
+	else if(lua_isnil(L, -1))
+	{
+		lua_pop(L, 1);
+		return false;
+	}
+	else
+	{
+		errorstream<<"Item \""<<name<<"\" callback \""
+			<<callbackname<<" is not a function"<<std::endl;
+		lua_pop(L, 1);
+		return false;
+	}
+}
+
+void ScriptApiItem::pushPointedThing(const PointedThing& pointed)
+{
+	lua_State* L = getStack();
+
+	lua_newtable(L);
+	if(pointed.type == POINTEDTHING_NODE)
+	{
+		lua_pushstring(L, "node");
+		lua_setfield(L, -2, "type");
+		push_v3s16(L, pointed.node_undersurface);
+		lua_setfield(L, -2, "under");
+		push_v3s16(L, pointed.node_abovesurface);
+		lua_setfield(L, -2, "above");
+	}
+	else if(pointed.type == POINTEDTHING_OBJECT)
+	{
+		lua_pushstring(L, "object");
+		lua_setfield(L, -2, "type");
+		objectrefGet(pointed.object_id);
+		lua_setfield(L, -2, "ref");
+	}
+	else
+	{
+		lua_pushstring(L, "nothing");
+		lua_setfield(L, -2, "type");
+	}
+}
+
+

src/script/cpp_api/s_item.h

@@ -0,0 +1,55 @@
+/*
+Minetest
+Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com>
+
+This program is free software; you can redistribute it and/or modify
+it under the terms of the GNU Lesser General Public License as published by
+the Free Software Foundation; either version 2.1 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU Lesser General Public License for more details.
+
+You should have received a copy of the GNU Lesser General Public License along
+with this program; if not, write to the Free Software Foundation, Inc.,
+51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+*/
+
+#ifndef S_ITEM_H_
+#define S_ITEM_H_
+
+#include "cpp_api/s_base.h"
+#include "irr_v3d.h"
+
+class PointedThing;
+class ItemStack;
+class ServerActiveObject;
+class ItemDefinition;
+class LuaItemStack;
+class ModApiItemMod;
+
+class ScriptApiItem
+: virtual public ScriptApiBase
+{
+public:
+	bool item_OnDrop(ItemStack &item,
+			ServerActiveObject *dropper, v3f pos);
+	bool item_OnPlace(ItemStack &item,
+			ServerActiveObject *placer, const PointedThing &pointed);
+	bool item_OnUse(ItemStack &item,
+			ServerActiveObject *user, const PointedThing &pointed);
+
+protected:
+	friend class LuaItemStack;
+	friend class ModApiItemMod;
+
+	bool getItemCallback(const char *name, const char *callbackname);
+private:
+	void pushPointedThing(const PointedThing& pointed);
+
+};
+
+
+#endif /* S_ITEM_H_ */

src/script/cpp_api/s_node.cpp

@@ -0,0 +1,233 @@
+/*
+Minetest
+Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com>
+
+This program is free software; you can redistribute it and/or modify
+it under the terms of the GNU Lesser General Public License as published by
+the Free Software Foundation; either version 2.1 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU Lesser General Public License for more details.
+
+You should have received a copy of the GNU Lesser General Public License along
+with this program; if not, write to the Free Software Foundation, Inc.,
+51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+*/
+
+#include "cpp_api/s_node.h"
+#include "common/c_converter.h"
+#include "common/c_content.h"
+#include "nodedef.h"
+#include "server.h"
+
+
+struct EnumString ScriptApiNode::es_DrawType[] =
+	{
+		{NDT_NORMAL, "normal"},
+		{NDT_AIRLIKE, "airlike"},
+		{NDT_LIQUID, "liquid"},
+		{NDT_FLOWINGLIQUID, "flowingliquid"},
+		{NDT_GLASSLIKE, "glasslike"},
+		{NDT_GLASSLIKE_FRAMED, "glasslike_framed"},
+		{NDT_ALLFACES, "allfaces"},
+		{NDT_ALLFACES_OPTIONAL, "allfaces_optional"},
+		{NDT_TORCHLIKE, "torchlike"},
+		{NDT_SIGNLIKE, "signlike"},
+		{NDT_PLANTLIKE, "plantlike"},
+		{NDT_FENCELIKE, "fencelike"},
+		{NDT_RAILLIKE, "raillike"},
+		{NDT_NODEBOX, "nodebox"},
+		{0, NULL},
+	};
+
+struct EnumString ScriptApiNode::es_ContentParamType2[] =
+	{
+		{CPT2_NONE, "none"},
+		{CPT2_FULL, "full"},
+		{CPT2_FLOWINGLIQUID, "flowingliquid"},
+		{CPT2_FACEDIR, "facedir"},
+		{CPT2_WALLMOUNTED, "wallmounted"},
+		{0, NULL},
+	};
+
+struct EnumString ScriptApiNode::es_LiquidType[] =
+	{
+		{LIQUID_NONE, "none"},
+		{LIQUID_FLOWING, "flowing"},
+		{LIQUID_SOURCE, "source"},
+		{0, NULL},
+	};
+
+struct EnumString ScriptApiNode::es_ContentParamType[] =
+	{
+		{CPT_NONE, "none"},
+		{CPT_LIGHT, "light"},
+		{0, NULL},
+	};
+
+struct EnumString ScriptApiNode::es_NodeBoxType[] =
+	{
+		{NODEBOX_REGULAR, "regular"},
+		{NODEBOX_FIXED, "fixed"},
+		{NODEBOX_WALLMOUNTED, "wallmounted"},
+		{0, NULL},
+	};
+
+ScriptApiNode::ScriptApiNode() {
+}
+
+ScriptApiNode::~ScriptApiNode() {
+}
+
+bool ScriptApiNode::node_on_punch(v3s16 p, MapNode node,
+		ServerActiveObject *puncher)
+{
+	SCRIPTAPI_PRECHECKHEADER
+
+	INodeDefManager *ndef = getServer()->ndef();
+
+	// Push callback function on stack
+	if(!getItemCallback(ndef->get(node).name.c_str(), "on_punch"))
+		return false;
+
+	// Call function
+	push_v3s16(L, p);
+	pushnode(L, node, ndef);
+	objectrefGetOrCreate(puncher);
+	if(lua_pcall(L, 3, 0, 0))
+		scriptError("error: %s", lua_tostring(L, -1));
+	return true;
+}
+
+bool ScriptApiNode::node_on_dig(v3s16 p, MapNode node,
+		ServerActiveObject *digger)
+{
+	SCRIPTAPI_PRECHECKHEADER
+
+	INodeDefManager *ndef = getServer()->ndef();
+
+	// Push callback function on stack
+	if(!getItemCallback(ndef->get(node).name.c_str(), "on_dig"))
+		return false;
+
+	// Call function
+	push_v3s16(L, p);
+	pushnode(L, node, ndef);
+	objectrefGetOrCreate(digger);
+	if(lua_pcall(L, 3, 0, 0))
+		scriptError("error: %s", lua_tostring(L, -1));
+	return true;
+}
+
+void ScriptApiNode::node_on_construct(v3s16 p, MapNode node)
+{
+	SCRIPTAPI_PRECHECKHEADER
+
+	INodeDefManager *ndef = getServer()->ndef();
+
+	// Push callback function on stack
+	if(!getItemCallback(ndef->get(node).name.c_str(), "on_construct"))
+		return;
+
+	// Call function
+	push_v3s16(L, p);
+	if(lua_pcall(L, 1, 0, 0))
+		scriptError("error: %s", lua_tostring(L, -1));
+}
+
+void ScriptApiNode::node_on_destruct(v3s16 p, MapNode node)
+{
+	SCRIPTAPI_PRECHECKHEADER
+
+	INodeDefManager *ndef = getServer()->ndef();
+
+	// Push callback function on stack
+	if(!getItemCallback(ndef->get(node).name.c_str(), "on_destruct"))
+		return;
+
+	// Call function
+	push_v3s16(L, p);
+	if(lua_pcall(L, 1, 0, 0))
+		scriptError("error: %s", lua_tostring(L, -1));
+}
+
+void ScriptApiNode::node_after_destruct(v3s16 p, MapNode node)
+{
+	SCRIPTAPI_PRECHECKHEADER
+
+	INodeDefManager *ndef = getServer()->ndef();
+
+	// Push callback function on stack
+	if(!getItemCallback(ndef->get(node).name.c_str(), "after_destruct"))
+		return;
+
+	// Call function
+	push_v3s16(L, p);
+	pushnode(L, node, ndef);
+	if(lua_pcall(L, 2, 0, 0))
+		scriptError("error: %s", lua_tostring(L, -1));
+}
+
+bool ScriptApiNode::node_on_timer(v3s16 p, MapNode node, f32 dtime)
+{
+	SCRIPTAPI_PRECHECKHEADER
+
+	INodeDefManager *ndef = getServer()->ndef();
+
+	// Push callback function on stack
+	if(!getItemCallback(ndef->get(node).name.c_str(), "on_timer"))
+		return false;
+
+	// Call function
+	push_v3s16(L, p);
+	lua_pushnumber(L,dtime);
+	if(lua_pcall(L, 2, 1, 0))
+		scriptError("error: %s", lua_tostring(L, -1));
+	if((bool)lua_isboolean(L,-1) && (bool)lua_toboolean(L,-1) == true)
+		return true;
+
+	return false;
+}
+
+void ScriptApiNode::node_on_receive_fields(v3s16 p,
+		const std::string &formname,
+		const std::map<std::string, std::string> &fields,
+		ServerActiveObject *sender)
+{
+	SCRIPTAPI_PRECHECKHEADER
+
+	INodeDefManager *ndef = getServer()->ndef();
+
+	// If node doesn't exist, we don't know what callback to call
+	MapNode node = getEnv()->getMap().getNodeNoEx(p);
+	if(node.getContent() == CONTENT_IGNORE)
+		return;
+
+	// Push callback function on stack
+	if(!getItemCallback(ndef->get(node).name.c_str(), "on_receive_fields"))
+		return;
+
+	// Call function
+	// param 1
+	push_v3s16(L, p);
+	// param 2
+	lua_pushstring(L, formname.c_str());
+	// param 3
+	lua_newtable(L);
+	for(std::map<std::string, std::string>::const_iterator
+			i = fields.begin(); i != fields.end(); i++){
+		const std::string &name = i->first;
+		const std::string &value = i->second;
+		lua_pushstring(L, name.c_str());
+		lua_pushlstring(L, value.c_str(), value.size());
+		lua_settable(L, -3);
+	}
+	// param 4
+	objectrefGetOrCreate(sender);
+	if(lua_pcall(L, 4, 0, 0))
+		scriptError("error: %s", lua_tostring(L, -1));
+}
+

src/script/cpp_api/s_node.h

@@ -0,0 +1,62 @@
+/*
+Minetest
+Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com>
+
+This program is free software; you can redistribute it and/or modify
+it under the terms of the GNU Lesser General Public License as published by
+the Free Software Foundation; either version 2.1 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU Lesser General Public License for more details.
+
+You should have received a copy of the GNU Lesser General Public License along
+with this program; if not, write to the Free Software Foundation, Inc.,
+51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+*/
+
+#ifndef S_NODE_H_
+#define S_NODE_H_
+
+#include <map>
+
+#include "irr_v3d.h"
+#include "cpp_api/s_base.h"
+#include "cpp_api/s_nodemeta.h"
+
+class MapNode;
+class ServerActiveObject;
+
+class ScriptApiNode
+		: virtual public ScriptApiBase,
+		  public ScriptApiNodemeta
+{
+public:
+	ScriptApiNode();
+	virtual ~ScriptApiNode();
+
+	bool node_on_punch(v3s16 p, MapNode node,
+			ServerActiveObject *puncher);
+	bool node_on_dig(v3s16 p, MapNode node,
+			ServerActiveObject *digger);
+	void node_on_construct(v3s16 p, MapNode node);
+	void node_on_destruct(v3s16 p, MapNode node);
+	void node_after_destruct(v3s16 p, MapNode node);
+	bool node_on_timer(v3s16 p, MapNode node, f32 dtime);
+	void node_on_receive_fields(v3s16 p,
+			const std::string &formname,
+			const std::map<std::string, std::string> &fields,
+			ServerActiveObject *sender);
+public:
+	static struct EnumString es_DrawType[];
+	static struct EnumString es_ContentParamType[];
+	static struct EnumString es_ContentParamType2[];
+	static struct EnumString es_LiquidType[];
+	static struct EnumString es_NodeBoxType[];
+};
+
+
+
+#endif /* S_NODE_H_ */

src/script/cpp_api/s_nodemeta.cpp

@@ -0,0 +1,261 @@
+/*
+Minetest
+Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com>
+
+This program is free software; you can redistribute it and/or modify
+it under the terms of the GNU Lesser General Public License as published by
+the Free Software Foundation; either version 2.1 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU Lesser General Public License for more details.
+
+You should have received a copy of the GNU Lesser General Public License along
+with this program; if not, write to the Free Software Foundation, Inc.,
+51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+*/
+
+#include "cpp_api/s_nodemeta.h"
+#include "common/c_converter.h"
+#include "nodedef.h"
+#include "mapnode.h"
+#include "server.h"
+#include "lua_api/l_item.h"
+
+extern "C" {
+#include "lauxlib.h"
+}
+
+// Return number of accepted items to be moved
+int ScriptApiNodemeta::nodemeta_inventory_AllowMove(v3s16 p,
+		const std::string &from_list, int from_index,
+		const std::string &to_list, int to_index,
+		int count, ServerActiveObject *player)
+{
+	SCRIPTAPI_PRECHECKHEADER
+
+	INodeDefManager *ndef = getServer()->ndef();
+
+	// If node doesn't exist, we don't know what callback to call
+	MapNode node = getEnv()->getMap().getNodeNoEx(p);
+	if(node.getContent() == CONTENT_IGNORE)
+		return 0;
+
+	// Push callback function on stack
+	if(!getItemCallback(ndef->get(node).name.c_str(),
+			"allow_metadata_inventory_move"))
+		return count;
+
+	// function(pos, from_list, from_index, to_list, to_index, count, player)
+	// pos
+	push_v3s16(L, p);
+	// from_list
+	lua_pushstring(L, from_list.c_str());
+	// from_index
+	lua_pushinteger(L, from_index + 1);
+	// to_list
+	lua_pushstring(L, to_list.c_str());
+	// to_index
+	lua_pushinteger(L, to_index + 1);
+	// count
+	lua_pushinteger(L, count);
+	// player
+	objectrefGetOrCreate(player);
+	if(lua_pcall(L, 7, 1, 0))
+		scriptError("error: %s", lua_tostring(L, -1));
+	if(!lua_isnumber(L, -1))
+		throw LuaError(L, "allow_metadata_inventory_move should return a number");
+	return luaL_checkinteger(L, -1);
+}
+
+// Return number of accepted items to be put
+int ScriptApiNodemeta::nodemeta_inventory_AllowPut(v3s16 p,
+		const std::string &listname, int index, ItemStack &stack,
+		ServerActiveObject *player)
+{
+	SCRIPTAPI_PRECHECKHEADER
+
+	INodeDefManager *ndef = getServer()->ndef();
+
+	// If node doesn't exist, we don't know what callback to call
+	MapNode node = getEnv()->getMap().getNodeNoEx(p);
+	if(node.getContent() == CONTENT_IGNORE)
+		return 0;
+
+	// Push callback function on stack
+	if(!getItemCallback(ndef->get(node).name.c_str(),
+			"allow_metadata_inventory_put"))
+		return stack.count;
+
+	// Call function(pos, listname, index, stack, player)
+	// pos
+	push_v3s16(L, p);
+	// listname
+	lua_pushstring(L, listname.c_str());
+	// index
+	lua_pushinteger(L, index + 1);
+	// stack
+	LuaItemStack::create(L, stack);
+	// player
+	objectrefGetOrCreate(player);
+	if(lua_pcall(L, 5, 1, 0))
+		scriptError("error: %s", lua_tostring(L, -1));
+	if(!lua_isnumber(L, -1))
+		throw LuaError(L, "allow_metadata_inventory_put should return a number");
+	return luaL_checkinteger(L, -1);
+}
+
+// Return number of accepted items to be taken
+int ScriptApiNodemeta::nodemeta_inventory_AllowTake(v3s16 p,
+		const std::string &listname, int index, ItemStack &stack,
+		ServerActiveObject *player)
+{
+	SCRIPTAPI_PRECHECKHEADER
+
+	INodeDefManager *ndef = getServer()->ndef();
+
+	// If node doesn't exist, we don't know what callback to call
+	MapNode node = getEnv()->getMap().getNodeNoEx(p);
+	if(node.getContent() == CONTENT_IGNORE)
+		return 0;
+
+	// Push callback function on stack
+	if(!getItemCallback(ndef->get(node).name.c_str(),
+			"allow_metadata_inventory_take"))
+		return stack.count;
+
+	// Call function(pos, listname, index, count, player)
+	// pos
+	push_v3s16(L, p);
+	// listname
+	lua_pushstring(L, listname.c_str());
+	// index
+	lua_pushinteger(L, index + 1);
+	// stack
+	LuaItemStack::create(L, stack);
+	// player
+	objectrefGetOrCreate(player);
+	if(lua_pcall(L, 5, 1, 0))
+		scriptError("error: %s", lua_tostring(L, -1));
+	if(!lua_isnumber(L, -1))
+		throw LuaError(L, "allow_metadata_inventory_take should return a number");
+	return luaL_checkinteger(L, -1);
+}
+
+// Report moved items
+void ScriptApiNodemeta::nodemeta_inventory_OnMove(v3s16 p,
+		const std::string &from_list, int from_index,
+		const std::string &to_list, int to_index,
+		int count, ServerActiveObject *player)
+{
+	SCRIPTAPI_PRECHECKHEADER
+
+	INodeDefManager *ndef = getServer()->ndef();
+
+	// If node doesn't exist, we don't know what callback to call
+	MapNode node = getEnv()->getMap().getNodeNoEx(p);
+	if(node.getContent() == CONTENT_IGNORE)
+		return;
+
+	// Push callback function on stack
+	if(!getItemCallback(ndef->get(node).name.c_str(),
+			"on_metadata_inventory_move"))
+		return;
+
+	// function(pos, from_list, from_index, to_list, to_index, count, player)
+	// pos
+	push_v3s16(L, p);
+	// from_list
+	lua_pushstring(L, from_list.c_str());
+	// from_index
+	lua_pushinteger(L, from_index + 1);
+	// to_list
+	lua_pushstring(L, to_list.c_str());
+	// to_index
+	lua_pushinteger(L, to_index + 1);
+	// count
+	lua_pushinteger(L, count);
+	// player
+	objectrefGetOrCreate(player);
+	if(lua_pcall(L, 7, 0, 0))
+		scriptError("error: %s", lua_tostring(L, -1));
+}
+
+// Report put items
+void ScriptApiNodemeta::nodemeta_inventory_OnPut(v3s16 p,
+		const std::string &listname, int index, ItemStack &stack,
+		ServerActiveObject *player)
+{
+	SCRIPTAPI_PRECHECKHEADER
+
+	INodeDefManager *ndef = getServer()->ndef();
+
+	// If node doesn't exist, we don't know what callback to call
+	MapNode node = getEnv()->getMap().getNodeNoEx(p);
+	if(node.getContent() == CONTENT_IGNORE)
+		return;
+
+	// Push callback function on stack
+	if(!getItemCallback(ndef->get(node).name.c_str(),
+			"on_metadata_inventory_put"))
+		return;
+
+	// Call function(pos, listname, index, stack, player)
+	// pos
+	push_v3s16(L, p);
+	// listname
+	lua_pushstring(L, listname.c_str());
+	// index
+	lua_pushinteger(L, index + 1);
+	// stack
+	LuaItemStack::create(L, stack);
+	// player
+	objectrefGetOrCreate(player);
+	if(lua_pcall(L, 5, 0, 0))
+		scriptError("error: %s", lua_tostring(L, -1));
+}
+
+// Report taken items
+void ScriptApiNodemeta::nodemeta_inventory_OnTake(v3s16 p,
+		const std::string &listname, int index, ItemStack &stack,
+		ServerActiveObject *player)
+{
+	SCRIPTAPI_PRECHECKHEADER
+
+	INodeDefManager *ndef = getServer()->ndef();
+
+	// If node doesn't exist, we don't know what callback to call
+	MapNode node = getEnv()->getMap().getNodeNoEx(p);
+	if(node.getContent() == CONTENT_IGNORE)
+		return;
+
+	// Push callback function on stack
+	if(!getItemCallback(ndef->get(node).name.c_str(),
+			"on_metadata_inventory_take"))
+		return;
+
+	// Call function(pos, listname, index, stack, player)
+	// pos
+	push_v3s16(L, p);
+	// listname
+	lua_pushstring(L, listname.c_str());
+	// index
+	lua_pushinteger(L, index + 1);
+	// stack
+	LuaItemStack::create(L, stack);
+	// player
+	objectrefGetOrCreate(player);
+	if(lua_pcall(L, 5, 0, 0))
+		scriptError("error: %s", lua_tostring(L, -1));
+}
+
+ScriptApiNodemeta::ScriptApiNodemeta() {
+}
+
+ScriptApiNodemeta::~ScriptApiNodemeta() {
+}
+
+
+

src/script/cpp_api/s_nodemeta.h

@@ -0,0 +1,67 @@
+/*
+Minetest
+Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com>
+
+This program is free software; you can redistribute it and/or modify
+it under the terms of the GNU Lesser General Public License as published by
+the Free Software Foundation; either version 2.1 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU Lesser General Public License for more details.
+
+You should have received a copy of the GNU Lesser General Public License along
+with this program; if not, write to the Free Software Foundation, Inc.,
+51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+*/
+
+#ifndef S_NODEMETA_H_
+#define S_NODEMETA_H_
+
+#include "cpp_api/s_base.h"
+#include "cpp_api/s_item.h"
+#include "irr_v3d.h"
+
+class ItemStack;
+
+class ScriptApiNodemeta
+		: virtual public ScriptApiBase,
+		  public ScriptApiItem
+{
+public:
+	ScriptApiNodemeta();
+	virtual ~ScriptApiNodemeta();
+
+	// Return number of accepted items to be moved
+	int nodemeta_inventory_AllowMove(v3s16 p,
+			const std::string &from_list, int from_index,
+			const std::string &to_list, int to_index,
+			int count, ServerActiveObject *player);
+	// Return number of accepted items to be put
+	int nodemeta_inventory_AllowPut(v3s16 p,
+			const std::string &listname, int index, ItemStack &stack,
+			ServerActiveObject *player);
+	// Return number of accepted items to be taken
+	int nodemeta_inventory_AllowTake(v3s16 p,
+			const std::string &listname, int index, ItemStack &stack,
+			ServerActiveObject *player);
+	// Report moved items
+	void nodemeta_inventory_OnMove(v3s16 p,
+			const std::string &from_list, int from_index,
+			const std::string &to_list, int to_index,
+			int count, ServerActiveObject *player);
+	// Report put items
+	void nodemeta_inventory_OnPut(v3s16 p,
+			const std::string &listname, int index, ItemStack &stack,
+			ServerActiveObject *player);
+	// Report taken items
+	void nodemeta_inventory_OnTake(v3s16 p,
+			const std::string &listname, int index, ItemStack &stack,
+			ServerActiveObject *player);
+private:
+
+};
+
+#endif /* S_NODEMETA_H_ */

src/script/cpp_api/s_player.cpp

@@ -0,0 +1,113 @@
+/*
+Minetest
+Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com>
+
+This program is free software; you can redistribute it and/or modify
+it under the terms of the GNU Lesser General Public License as published by
+the Free Software Foundation; either version 2.1 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU Lesser General Public License for more details.
+
+You should have received a copy of the GNU Lesser General Public License along
+with this program; if not, write to the Free Software Foundation, Inc.,
+51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+*/
+
+#include "cpp_api/s_player.h"
+
+void ScriptApiPlayer::on_newplayer(ServerActiveObject *player)
+{
+	SCRIPTAPI_PRECHECKHEADER
+
+	// Get minetest.registered_on_newplayers
+	lua_getglobal(L, "minetest");
+	lua_getfield(L, -1, "registered_on_newplayers");
+	// Call callbacks
+	objectrefGetOrCreate(player);
+	runCallbacks(1, RUN_CALLBACKS_MODE_FIRST);
+}
+
+void ScriptApiPlayer::on_dieplayer(ServerActiveObject *player)
+{
+	SCRIPTAPI_PRECHECKHEADER
+
+	// Get minetest.registered_on_dieplayers
+	lua_getglobal(L, "minetest");
+	lua_getfield(L, -1, "registered_on_dieplayers");
+	// Call callbacks
+	objectrefGetOrCreate(player);
+	runCallbacks(1, RUN_CALLBACKS_MODE_FIRST);
+}
+
+bool ScriptApiPlayer::on_respawnplayer(ServerActiveObject *player)
+{
+	SCRIPTAPI_PRECHECKHEADER
+
+	// Get minetest.registered_on_respawnplayers
+	lua_getglobal(L, "minetest");
+	lua_getfield(L, -1, "registered_on_respawnplayers");
+	// Call callbacks
+	objectrefGetOrCreate(player);
+	runCallbacks(1, RUN_CALLBACKS_MODE_OR);
+	bool positioning_handled_by_some = lua_toboolean(L, -1);
+	return positioning_handled_by_some;
+}
+
+void ScriptApiPlayer::on_joinplayer(ServerActiveObject *player)
+{
+	SCRIPTAPI_PRECHECKHEADER
+
+	// Get minetest.registered_on_joinplayers
+	lua_getglobal(L, "minetest");
+	lua_getfield(L, -1, "registered_on_joinplayers");
+	// Call callbacks
+	objectrefGetOrCreate(player);
+	runCallbacks(1, RUN_CALLBACKS_MODE_FIRST);
+}
+
+void ScriptApiPlayer::on_leaveplayer(ServerActiveObject *player)
+{
+	SCRIPTAPI_PRECHECKHEADER
+
+	// Get minetest.registered_on_leaveplayers
+	lua_getglobal(L, "minetest");
+	lua_getfield(L, -1, "registered_on_leaveplayers");
+	// Call callbacks
+	objectrefGetOrCreate(player);
+	runCallbacks(1, RUN_CALLBACKS_MODE_FIRST);
+}
+
+void ScriptApiPlayer::on_playerReceiveFields(ServerActiveObject *player,
+		const std::string &formname,
+		const std::map<std::string, std::string> &fields)
+{
+	SCRIPTAPI_PRECHECKHEADER
+
+	// Get minetest.registered_on_chat_messages
+	lua_getglobal(L, "minetest");
+	lua_getfield(L, -1, "registered_on_player_receive_fields");
+	// Call callbacks
+	// param 1
+	objectrefGetOrCreate(player);
+	// param 2
+	lua_pushstring(L, formname.c_str());
+	// param 3
+	lua_newtable(L);
+	for(std::map<std::string, std::string>::const_iterator
+			i = fields.begin(); i != fields.end(); i++){
+		const std::string &name = i->first;
+		const std::string &value = i->second;
+		lua_pushstring(L, name.c_str());
+		lua_pushlstring(L, value.c_str(), value.size());
+		lua_settable(L, -3);
+	}
+	runCallbacks(3, RUN_CALLBACKS_MODE_OR_SC);
+}
+ScriptApiPlayer::~ScriptApiPlayer() {
+}
+
+

src/script/cpp_api/s_player.h

@@ -0,0 +1,44 @@
+/*
+Minetest
+Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com>
+
+This program is free software; you can redistribute it and/or modify
+it under the terms of the GNU Lesser General Public License as published by
+the Free Software Foundation; either version 2.1 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU Lesser General Public License for more details.
+
+You should have received a copy of the GNU Lesser General Public License along
+with this program; if not, write to the Free Software Foundation, Inc.,
+51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+*/
+
+#ifndef S_PLAYER_H_
+#define S_PLAYER_H_
+
+#include "cpp_api/s_base.h"
+
+
+class ScriptApiPlayer
+		: virtual public ScriptApiBase
+{
+public:
+	virtual ~ScriptApiPlayer();
+
+	void on_newplayer(ServerActiveObject *player);
+	void on_dieplayer(ServerActiveObject *player);
+	bool on_respawnplayer(ServerActiveObject *player);
+	void on_joinplayer(ServerActiveObject *player);
+	void on_leaveplayer(ServerActiveObject *player);
+
+	void on_playerReceiveFields(ServerActiveObject *player,
+			const std::string &formname,
+			const std::map<std::string, std::string> &fields);
+};
+
+
+#endif /* S_PLAYER_H_ */

src/script/cpp_api/scriptapi.cpp

@@ -0,0 +1,291 @@
+/*
+Minetest
+Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com>
+
+This program is free software; you can redistribute it and/or modify
+it under the terms of the GNU Lesser General Public License as published by
+the Free Software Foundation; either version 2.1 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU Lesser General Public License for more details.
+
+You should have received a copy of the GNU Lesser General Public License along
+with this program; if not, write to the Free Software Foundation, Inc.,
+51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+*/
+
+extern "C" {
+#include "lua.h"
+#include "lauxlib.h"
+#include "lualib.h"
+}
+
+
+#include "scriptapi.h"
+#include "common/c_converter.h"
+#include "lua_api/l_base.h"
+#include "log.h"
+#include "mods.h"
+
+int script_ErrorHandler(lua_State *L) {
+	lua_getfield(L, LUA_GLOBALSINDEX, "debug");
+	if (!lua_istable(L, -1)) {
+		lua_pop(L, 1);
+		return 1;
+	}
+	lua_getfield(L, -1, "traceback");
+	if (!lua_isfunction(L, -1)) {
+		lua_pop(L, 2);
+		return 1;
+	}
+	lua_pushvalue(L, 1);
+	lua_pushinteger(L, 2);
+	lua_call(L, 2, 1);
+	return 1;
+}
+
+
+bool ScriptApi::getAuth(const std::string &playername,
+		std::string *dst_password, std::set<std::string> *dst_privs)
+{
+	SCRIPTAPI_PRECHECKHEADER
+
+	getAuthHandler();
+	lua_getfield(L, -1, "get_auth");
+	if(lua_type(L, -1) != LUA_TFUNCTION)
+		throw LuaError(L, "Authentication handler missing get_auth");
+	lua_pushstring(L, playername.c_str());
+	if(lua_pcall(L, 1, 1, 0))
+		scriptError("error: %s", lua_tostring(L, -1));
+
+	// nil = login not allowed
+	if(lua_isnil(L, -1))
+		return false;
+	luaL_checktype(L, -1, LUA_TTABLE);
+
+	std::string password;
+	bool found = getstringfield(L, -1, "password", password);
+	if(!found)
+		throw LuaError(L, "Authentication handler didn't return password");
+	if(dst_password)
+		*dst_password = password;
+
+	lua_getfield(L, -1, "privileges");
+	if(!lua_istable(L, -1))
+		throw LuaError(L,
+				"Authentication handler didn't return privilege table");
+	if(dst_privs)
+		readPrivileges(-1, *dst_privs);
+	lua_pop(L, 1);
+
+	return true;
+}
+
+void ScriptApi::getAuthHandler()
+{
+	lua_State *L = getStack();
+
+	lua_getglobal(L, "minetest");
+	lua_getfield(L, -1, "registered_auth_handler");
+	if(lua_isnil(L, -1)){
+		lua_pop(L, 1);
+		lua_getfield(L, -1, "builtin_auth_handler");
+	}
+	if(lua_type(L, -1) != LUA_TTABLE)
+		throw LuaError(L, "Authentication handler table not valid");
+}
+
+void ScriptApi::readPrivileges(int index,std::set<std::string> &result)
+{
+	lua_State *L = getStack();
+
+	result.clear();
+	lua_pushnil(L);
+	if(index < 0)
+		index -= 1;
+	while(lua_next(L, index) != 0){
+		// key at index -2 and value at index -1
+		std::string key = luaL_checkstring(L, -2);
+		bool value = lua_toboolean(L, -1);
+		if(value)
+			result.insert(key);
+		// removes value, keeps key for next iteration
+		lua_pop(L, 1);
+	}
+}
+
+void ScriptApi::createAuth(const std::string &playername,
+		const std::string &password)
+{
+	SCRIPTAPI_PRECHECKHEADER
+
+	getAuthHandler();
+	lua_getfield(L, -1, "create_auth");
+	if(lua_type(L, -1) != LUA_TFUNCTION)
+		throw LuaError(L, "Authentication handler missing create_auth");
+	lua_pushstring(L, playername.c_str());
+	lua_pushstring(L, password.c_str());
+	if(lua_pcall(L, 2, 0, 0))
+		scriptError("error: %s", lua_tostring(L, -1));
+}
+
+bool ScriptApi::setPassword(const std::string &playername,
+		const std::string &password)
+{
+	SCRIPTAPI_PRECHECKHEADER
+
+	getAuthHandler();
+	lua_getfield(L, -1, "set_password");
+	if(lua_type(L, -1) != LUA_TFUNCTION)
+		throw LuaError(L, "Authentication handler missing set_password");
+	lua_pushstring(L, playername.c_str());
+	lua_pushstring(L, password.c_str());
+	if(lua_pcall(L, 2, 1, 0))
+		scriptError("error: %s", lua_tostring(L, -1));
+	return lua_toboolean(L, -1);
+}
+
+bool ScriptApi::on_chat_message(const std::string &name,
+		const std::string &message)
+{
+	SCRIPTAPI_PRECHECKHEADER
+
+	// Get minetest.registered_on_chat_messages
+	lua_getglobal(L, "minetest");
+	lua_getfield(L, -1, "registered_on_chat_messages");
+	// Call callbacks
+	lua_pushstring(L, name.c_str());
+	lua_pushstring(L, message.c_str());
+	runCallbacks(2, RUN_CALLBACKS_MODE_OR_SC);
+	bool ate = lua_toboolean(L, -1);
+	return ate;
+}
+
+void ScriptApi::on_shutdown()
+{
+	SCRIPTAPI_PRECHECKHEADER
+
+	// Get registered shutdown hooks
+	lua_getglobal(L, "minetest");
+	lua_getfield(L, -1, "registered_on_shutdown");
+	// Call callbacks
+	runCallbacks(0, RUN_CALLBACKS_MODE_FIRST);
+}
+
+bool ScriptApi::loadMod(const std::string &scriptpath,const std::string &modname)
+{
+	ModNameStorer modnamestorer(getStack(), modname);
+
+	if(!string_allowed(modname, MODNAME_ALLOWED_CHARS)){
+		errorstream<<"Error loading mod \""<<modname
+				<<"\": modname does not follow naming conventions: "
+				<<"Only chararacters [a-z0-9_] are allowed."<<std::endl;
+		return false;
+	}
+
+	bool success = false;
+
+	try{
+		success = scriptLoad(scriptpath.c_str());
+	}
+	catch(LuaError &e){
+		errorstream<<"Error loading mod \""<<modname
+				<<"\": "<<e.what()<<std::endl;
+	}
+
+	return success;
+}
+
+ScriptApi::ScriptApi() {
+	assert("Invalid call to default constructor of scriptapi!" == 0);
+}
+
+ScriptApi::ScriptApi(Server* server)
+{
+
+	setServer(server);
+	setStack(luaL_newstate());
+	assert(getStack());
+
+	//TODO add security
+
+	luaL_openlibs(getStack());
+
+	SCRIPTAPI_PRECHECKHEADER
+
+	lua_pushlightuserdata(L, this);
+	lua_setfield(L, LUA_REGISTRYINDEX, "scriptapi");
+
+	lua_newtable(L);
+	lua_setglobal(L, "minetest");
+
+
+	for (std::vector<ModApiBase*>::iterator i = m_mod_api_modules->begin();
+			i != m_mod_api_modules->end(); i++) {
+		//initializers are called within minetest global table!
+		lua_getglobal(L, "minetest");
+		int top = lua_gettop(L);
+		bool ModInitializedSuccessfull = (*i)->Initialize(L,top);
+		assert(ModInitializedSuccessfull);
+	}
+
+	infostream << "SCRIPTAPI: initialized " << m_mod_api_modules->size()
+													<< " modules" << std::endl;
+
+	// Get the main minetest table
+	lua_getglobal(L, "minetest");
+
+	// Add tables to minetest
+	lua_newtable(L);
+	lua_setfield(L, -2, "object_refs");
+
+	lua_newtable(L);
+	lua_setfield(L, -2, "luaentities");
+}
+
+ScriptApi::~ScriptApi() {
+	lua_close(getStack());
+}
+
+bool ScriptApi::scriptLoad(const char *path)
+{
+	lua_State* L = getStack();
+	setStack(0);
+
+	verbosestream<<"Loading and running script from "<<path<<std::endl;
+
+	lua_pushcfunction(L, script_ErrorHandler);
+	int errorhandler = lua_gettop(L);
+
+	int ret = luaL_loadfile(L, path) || lua_pcall(L, 0, 0, errorhandler);
+	if(ret){
+		errorstream<<"========== ERROR FROM LUA ==========="<<std::endl;
+		errorstream<<"Failed to load and run script from "<<std::endl;
+		errorstream<<path<<":"<<std::endl;
+		errorstream<<std::endl;
+		errorstream<<lua_tostring(L, -1)<<std::endl;
+		errorstream<<std::endl;
+		errorstream<<"=======END OF ERROR FROM LUA ========"<<std::endl;
+		lua_pop(L, 1); // Pop error message from stack
+		lua_pop(L, 1); // Pop the error handler from stack
+		return false;
+	}
+	lua_pop(L, 1); // Pop the error handler from stack
+	return true;
+}
+
+bool ScriptApi::registerModApiModule(ModApiBase* ptr) {
+	if (ScriptApi::m_mod_api_modules == 0)
+		ScriptApi::m_mod_api_modules = new std::vector<ModApiBase*>();
+
+	assert(ScriptApi::m_mod_api_modules != 0);
+
+	ScriptApi::m_mod_api_modules->push_back(ptr);
+
+	return true;
+}
+
+std::vector<ModApiBase*>* ScriptApi::m_mod_api_modules = 0;

src/script/cpp_api/scriptapi.h

@@ -0,0 +1,82 @@
+/*
+Minetest
+Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com>
+
+This program is free software; you can redistribute it and/or modify
+it under the terms of the GNU Lesser General Public License as published by
+the Free Software Foundation; either version 2.1 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU Lesser General Public License for more details.
+
+You should have received a copy of the GNU Lesser General Public License along
+with this program; if not, write to the Free Software Foundation, Inc.,
+51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+*/
+
+#ifndef SCRIPTAPI_H_
+#define SCRIPTAPI_H_
+
+#include <map>
+#include <set>
+#include <vector>
+
+#include "cpp_api/s_base.h"
+#include "cpp_api/s_player.h"
+#include "cpp_api/s_env.h"
+#include "cpp_api/s_node.h"
+#include "cpp_api/s_inventory.h"
+#include "cpp_api/s_entity.h"
+
+class ModApiBase;
+
+/*****************************************************************************/
+/* Scriptapi <-> Core Interface                                              */
+/*****************************************************************************/
+
+class ScriptApi
+		: virtual public ScriptApiBase,
+		  public ScriptApiPlayer,
+		  public ScriptApiEnv,
+		  public ScriptApiNode,
+		  public ScriptApiDetached,
+		  public ScriptApiEntity
+{
+public:
+	ScriptApi();
+	ScriptApi(Server* server);
+	~ScriptApi();
+
+	// Returns true if script handled message
+	bool on_chat_message(const std::string &name, const std::string &message);
+
+	/* server */
+	void on_shutdown();
+
+	/* auth */
+	bool getAuth(const std::string &playername,
+			std::string *dst_password, std::set<std::string> *dst_privs);
+	void createAuth(const std::string &playername,
+			const std::string &password);
+	bool setPassword(const std::string &playername,
+			const std::string &password);
+
+	/** register a lua api module to scriptapi */
+	static bool registerModApiModule(ModApiBase* prototype);
+	/** load a mod **/
+	bool loadMod(const std::string &scriptpath,const std::string &modname);
+
+private:
+	void getAuthHandler();
+	void readPrivileges(int index,std::set<std::string> &result);
+
+	bool scriptLoad(const char *path);
+
+	static std::vector<ModApiBase*>* m_mod_api_modules;
+
+};
+
+#endif /* SCRIPTAPI_H_ */

src/script/lua_api/CMakeLists.txt

@@ -0,0 +1,13 @@
+set(SCRIPT_LUA_API_SRCS
+	${CMAKE_CURRENT_SOURCE_DIR}/l_base.cpp
+	${CMAKE_CURRENT_SOURCE_DIR}/l_craft.cpp
+	${CMAKE_CURRENT_SOURCE_DIR}/l_env.cpp
+	${CMAKE_CURRENT_SOURCE_DIR}/l_inventory.cpp
+	${CMAKE_CURRENT_SOURCE_DIR}/l_item.cpp
+	${CMAKE_CURRENT_SOURCE_DIR}/luaapi.cpp
+	${CMAKE_CURRENT_SOURCE_DIR}/l_nodemeta.cpp
+	${CMAKE_CURRENT_SOURCE_DIR}/l_nodetimer.cpp
+	${CMAKE_CURRENT_SOURCE_DIR}/l_noise.cpp
+	${CMAKE_CURRENT_SOURCE_DIR}/l_object.cpp
+	${CMAKE_CURRENT_SOURCE_DIR}/l_particles.cpp
+	PARENT_SCOPE)

src/script/lua_api/l_base.cpp

@@ -0,0 +1,63 @@
+/*
+Minetest
+Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com>
+
+This program is free software; you can redistribute it and/or modify
+it under the terms of the GNU Lesser General Public License as published by
+the Free Software Foundation; either version 2.1 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU Lesser General Public License for more details.
+
+You should have received a copy of the GNU Lesser General Public License along
+with this program; if not, write to the Free Software Foundation, Inc.,
+51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+*/
+
+#include "cpp_api/scriptapi.h"
+#include "lua_api/l_base.h"
+#include "common/c_internal.h"
+#include "log.h"
+
+extern "C" {
+#include "lua.h"
+}
+
+ModApiBase::ModApiBase() {
+	ScriptApi::registerModApiModule(this);
+}
+
+Server* ModApiBase::getServer(lua_State* L) {
+	return get_scriptapi(L)->getServer();
+}
+
+Environment* ModApiBase::getEnv(lua_State* L) {
+	return get_scriptapi(L)->getEnv();
+}
+
+bool ModApiBase::registerFunction(	lua_State* L,
+								const char* name,
+								lua_CFunction fct,
+								int top
+								) {
+	//TODO check presence first!
+
+	lua_pushstring(L,name);
+	lua_pushcfunction(L,fct);
+	lua_settable(L, top);
+
+	return true;
+}
+
+struct EnumString es_BiomeTerrainType[] =
+{
+	{BIOME_TERRAIN_NORMAL, "normal"},
+	{BIOME_TERRAIN_LIQUID, "liquid"},
+	{BIOME_TERRAIN_NETHER, "nether"},
+	{BIOME_TERRAIN_AETHER, "aether"},
+	{BIOME_TERRAIN_FLAT,   "flat"},
+	{0, NULL},
+};

src/script/lua_api/l_base.h

@@ -0,0 +1,63 @@
+/*
+Minetest
+Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com>
+
+This program is free software; you can redistribute it and/or modify
+it under the terms of the GNU Lesser General Public License as published by
+the Free Software Foundation; either version 2.1 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU Lesser General Public License for more details.
+
+You should have received a copy of the GNU Lesser General Public License along
+with this program; if not, write to the Free Software Foundation, Inc.,
+51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+*/
+
+#ifndef L_BASE_H_
+#define L_BASE_H_
+
+#include "biome.h"
+#include "common/c_types.h"
+
+extern "C" {
+#include "lua.h"
+}
+
+extern struct EnumString es_BiomeTerrainType[];
+
+class ScriptApi;
+class Server;
+class Environment;
+
+typedef class ModApiBase {
+
+public:
+	ModApiBase();
+
+	virtual bool Initialize(lua_State* L, int top) = 0;
+	virtual ~ModApiBase() {};
+
+protected:
+	static Server* getServer(      lua_State* L);
+	static Environment* getEnv(    lua_State* L);
+	static bool registerFunction(	lua_State* L,
+									const char* name,
+									lua_CFunction fct,
+									int top
+									);
+} ModApiBase;
+
+#if (defined(WIN32) || defined(_WIN32_WCE))
+#define NO_MAP_LOCK_REQUIRED
+#else
+#include "main.h"
+#include "profiler.h"
+#define NO_MAP_LOCK_REQUIRED ScopeProfiler nolocktime(g_profiler,"Scriptapi: unlockable time",SPT_ADD)
+//#define NO_ENVLOCK_REQUIRED assert(getServer(L).m_env_mutex.IsLocked() == false)
+#endif
+
+#endif /* L_BASE_H_ */

src/script/lua_api/l_craft.cpp

@@ -17,20 +17,24 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */
 
-#include "scriptapi.h"
+
-#include "scriptapi_craft.h"
+#include "lua_api/l_craft.h"
+#include "common/c_internal.h"
+#include "common/c_converter.h"
+#include "common/c_content.h"
+#include "server.h"
+#include "lua_api/l_item.h"
 
 extern "C" {
-#include <lauxlib.h>
+#include "lauxlib.h"
 }
 
-#include "script.h"
+ModApiCraft::ModApiCraft()
-#include "scriptapi_types.h"
+	: ModApiBase() {
-#include "scriptapi_common.h"
-#include "scriptapi_item.h"
 
+}
 
-struct EnumString es_CraftMethod[] =
+struct EnumString ModApiCraft::es_CraftMethod[] =
 {
 	{CRAFT_METHOD_NORMAL, "normal"},
 	{CRAFT_METHOD_COOKING, "cooking"},
@@ -40,7 +44,7 @@ struct EnumString es_CraftMethod[] =
 
 
 // helper for register_craft
-bool read_craft_recipe_shaped(lua_State *L, int index,
+bool ModApiCraft::readCraftRecipeShaped(lua_State *L, int index,
 		int &width, std::vector<std::string> &recipe)
 {
 	if(index < 0)
@@ -81,7 +85,7 @@ bool read_craft_recipe_shaped(lua_State *L, int index,
 }
 
 // helper for register_craft
-bool read_craft_recipe_shapeless(lua_State *L, int index,
+bool ModApiCraft::readCraftRecipeShapeless(lua_State *L, int index,
 		std::vector<std::string> &recipe)
 {
 	if(index < 0)
@@ -103,7 +107,7 @@ bool read_craft_recipe_shapeless(lua_State *L, int index,
 }
 
 // helper for register_craft
-bool read_craft_replacements(lua_State *L, int index,
+bool ModApiCraft::readCraftReplacements(lua_State *L, int index,
 		CraftReplacements &replacements)
 {
 	if(index < 0)
@@ -135,15 +139,16 @@ bool read_craft_replacements(lua_State *L, int index,
 	return true;
 }
 // register_craft({output=item, recipe={{item00,item10},{item01,item11}})
-int l_register_craft(lua_State *L)
+int ModApiCraft::l_register_craft(lua_State *L)
 {
+	NO_MAP_LOCK_REQUIRED;
 	//infostream<<"register_craft"<<std::endl;
 	luaL_checktype(L, 1, LUA_TTABLE);
 	int table = 1;
 
 	// Get the writable craft definition manager from the server
 	IWritableCraftDefManager *craftdef =
-			get_server(L)->getWritableCraftDefManager();
+			getServer(L)->getWritableCraftDefManager();
 
 	std::string type = getstringfield_default(L, table, "type", "shaped");
 
@@ -161,7 +166,7 @@ int l_register_craft(lua_State *L)
 		if(lua_isnil(L, -1))
 			throw LuaError(L, "Crafting definition is missing a recipe"
 					" (output=\"" + output + "\")");
-		if(!read_craft_recipe_shaped(L, -1, width, recipe))
+		if(!readCraftRecipeShaped(L, -1, width, recipe))
 			throw LuaError(L, "Invalid crafting recipe"
 					" (output=\"" + output + "\")");
 
@@ -169,7 +174,7 @@ int l_register_craft(lua_State *L)
 		lua_getfield(L, table, "replacements");
 		if(!lua_isnil(L, -1))
 		{
-			if(!read_craft_replacements(L, -1, replacements))
+			if(!readCraftReplacements(L, -1, replacements))
 				throw LuaError(L, "Invalid replacements"
 						" (output=\"" + output + "\")");
 		}
@@ -193,7 +198,7 @@ int l_register_craft(lua_State *L)
 			throw LuaError(L, "Crafting definition (shapeless)"
 					" is missing a recipe"
 					" (output=\"" + output + "\")");
-		if(!read_craft_recipe_shapeless(L, -1, recipe))
+		if(!readCraftRecipeShapeless(L, -1, recipe))
 			throw LuaError(L, "Invalid crafting recipe"
 					" (output=\"" + output + "\")");
 
@@ -201,7 +206,7 @@ int l_register_craft(lua_State *L)
 		lua_getfield(L, table, "replacements");
 		if(!lua_isnil(L, -1))
 		{
-			if(!read_craft_replacements(L, -1, replacements))
+			if(!readCraftReplacements(L, -1, replacements))
 				throw LuaError(L, "Invalid replacements"
 						" (output=\"" + output + "\")");
 		}
@@ -242,7 +247,7 @@ int l_register_craft(lua_State *L)
 		lua_getfield(L, table, "replacements");
 		if(!lua_isnil(L, -1))
 		{
-			if(!read_craft_replacements(L, -1, replacements))
+			if(!readCraftReplacements(L, -1, replacements))
 				throw LuaError(L, "Invalid replacements"
 						" (cooking output=\"" + output + "\")");
 		}
@@ -266,7 +271,7 @@ int l_register_craft(lua_State *L)
 		lua_getfield(L, table, "replacements");
 		if(!lua_isnil(L, -1))
 		{
-			if(!read_craft_replacements(L, -1, replacements))
+			if(!readCraftReplacements(L, -1, replacements))
 				throw LuaError(L, "Invalid replacements"
 						" (fuel recipe=\"" + recipe + "\")");
 		}
@@ -285,8 +290,10 @@ int l_register_craft(lua_State *L)
 }
 
 // get_craft_result(input)
-int l_get_craft_result(lua_State *L)
+int ModApiCraft::l_get_craft_result(lua_State *L)
 {
+	NO_MAP_LOCK_REQUIRED;
+
 	int input_i = 1;
 	std::string method_s = getstringfield_default(L, input_i, "method", "normal");
 	enum CraftMethod method = (CraftMethod)getenumfield(L, input_i, "method",
@@ -297,10 +304,10 @@ int l_get_craft_result(lua_State *L)
 		width = luaL_checkinteger(L, -1);
 	lua_pop(L, 1);
 	lua_getfield(L, input_i, "items");
-	std::vector<ItemStack> items = read_items(L, -1);
+	std::vector<ItemStack> items = read_items(L, -1,getServer(L));
 	lua_pop(L, 1); // items
 
-	IGameDef *gdef = get_server(L);
+	IGameDef *gdef = getServer(L);
 	ICraftDefManager *cdef = gdef->cdef();
 	CraftInput input(method, width, items);
 	CraftOutput output;
@@ -328,13 +335,15 @@ int l_get_craft_result(lua_State *L)
 }
 
 // get_craft_recipe(result item)
-int l_get_craft_recipe(lua_State *L)
+int ModApiCraft::l_get_craft_recipe(lua_State *L)
 {
+	NO_MAP_LOCK_REQUIRED;
+
 	int k = 1;
 	int input_i = 1;
 	std::string o_item = luaL_checkstring(L,input_i);
 
-	IGameDef *gdef = get_server(L);
+	IGameDef *gdef = getServer(L);
 	ICraftDefManager *cdef = gdef->cdef();
 	CraftInput input;
 	CraftOutput output(o_item,0);
@@ -379,10 +388,12 @@ int l_get_craft_recipe(lua_State *L)
 }
 
 // get_all_craft_recipes(result item)
-int l_get_all_craft_recipes(lua_State *L)
+int ModApiCraft::l_get_all_craft_recipes(lua_State *L)
 {
+	NO_MAP_LOCK_REQUIRED;
+
 	std::string o_item = luaL_checkstring(L,1);
-	IGameDef *gdef = get_server(L);
+	IGameDef *gdef = getServer(L);
 	ICraftDefManager *cdef = gdef->cdef();
 	CraftInput input;
 	CraftOutput output(o_item,0);
@@ -423,8 +434,8 @@ int l_get_all_craft_recipes(lua_State *L)
 			{
 				if (i->empty())
 					continue;
-				lua_pushinteger(L, k);
+				lua_pushinteger(L,k);
-				lua_pushstring(L, i->name.c_str());
+				lua_pushstring(L,i->name.c_str());
 				lua_settable(L, -3);
 			}
 			lua_setfield(L, -2, "items");
@@ -451,3 +462,16 @@ int l_get_all_craft_recipes(lua_State *L)
 	}
 	return 1;
 }
+
+bool ModApiCraft::Initialize(lua_State* L, int top) {
+	bool retval = true;
+
+	retval &= API_FCT(get_all_craft_recipes);
+	retval &= API_FCT(get_craft_recipe);
+	retval &= API_FCT(get_craft_result);
+	retval &= API_FCT(register_craft);
+
+	return retval;
+}
+
+ModApiCraft modapicraft_prototype;

src/script/lua_api/l_craft.h

@@ -0,0 +1,52 @@
+/*
+Minetest
+Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com>
+
+This program is free software; you can redistribute it and/or modify
+it under the terms of the GNU Lesser General Public License as published by
+the Free Software Foundation; either version 2.1 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU Lesser General Public License for more details.
+
+You should have received a copy of the GNU Lesser General Public License along
+with this program; if not, write to the Free Software Foundation, Inc.,
+51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+*/
+
+#ifndef L_CRAFT_H_
+#define L_CRAFT_H_
+
+#include <vector>
+
+extern "C" {
+#include <lua.h>
+}
+
+#include "lua_api/l_base.h"
+#include "craftdef.h"
+
+class ModApiCraft : public ModApiBase {
+public:
+	ModApiCraft();
+	bool Initialize(lua_State* L, int top);
+private:
+	static int l_register_craft(lua_State *L);
+	static int l_get_craft_recipe(lua_State *L);
+	static int l_get_all_craft_recipes(lua_State *L);
+	static int l_get_craft_result(lua_State *L);
+
+	static bool readCraftReplacements(lua_State *L, int index,
+			CraftReplacements &replacements);
+	static bool readCraftRecipeShapeless(lua_State *L, int index,
+			std::vector<std::string> &recipe);
+	static bool readCraftRecipeShaped(lua_State *L, int index,
+			int &width, std::vector<std::string> &recipe);
+
+	static struct EnumString es_CraftMethod[];
+};
+
+#endif /* L_CRAFT_H_ */

src/script/lua_api/l_env.cpp

@@ -0,0 +1,687 @@
+/*
+Minetest
+Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com>
+
+This program is free software; you can redistribute it and/or modify
+it under the terms of the GNU Lesser General Public License as published by
+the Free Software Foundation; either version 2.1 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU Lesser General Public License for more details.
+
+You should have received a copy of the GNU Lesser General Public License along
+with this program; if not, write to the Free Software Foundation, Inc.,
+51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+*/
+
+#include "cpp_api/scriptapi.h"
+#include "lua_api/l_base.h"
+#include "lua_api/l_env.h"
+#include "environment.h"
+#include "server.h"
+#include "daynightratio.h"
+#include "util/pointedthing.h"
+#include "content_sao.h"
+
+#include "common/c_converter.h"
+#include "common/c_content.h"
+#include "common/c_internal.h"
+#include "lua_api/l_nodemeta.h"
+#include "lua_api/l_nodetimer.h"
+#include "lua_api/l_noise.h"
+#include "treegen.h"
+#include "pathfinder.h"
+
+
+#define GET_ENV_PTR ServerEnvironment* env =                                   \
+				dynamic_cast<ServerEnvironment*>(getEnv(L));                   \
+				if( env == NULL) return 0
+
+void LuaABM::trigger(ServerEnvironment *env, v3s16 p, MapNode n,
+		u32 active_object_count, u32 active_object_count_wider)
+{
+	ScriptApi* scriptIface = SERVER_TO_SA(env);
+	scriptIface->realityCheck();
+
+	lua_State* L = scriptIface->getStack();
+	assert(lua_checkstack(L, 20));
+	StackUnroller stack_unroller(L);
+
+	// Get minetest.registered_abms
+	lua_getglobal(L, "minetest");
+	lua_getfield(L, -1, "registered_abms");
+	luaL_checktype(L, -1, LUA_TTABLE);
+	int registered_abms = lua_gettop(L);
+
+	// Get minetest.registered_abms[m_id]
+	lua_pushnumber(L, m_id);
+	lua_gettable(L, registered_abms);
+	if(lua_isnil(L, -1))
+		assert(0);
+
+	// Call action
+	luaL_checktype(L, -1, LUA_TTABLE);
+	lua_getfield(L, -1, "action");
+	luaL_checktype(L, -1, LUA_TFUNCTION);
+	push_v3s16(L, p);
+	pushnode(L, n, env->getGameDef()->ndef());
+	lua_pushnumber(L, active_object_count);
+	lua_pushnumber(L, active_object_count_wider);
+	if(lua_pcall(L, 4, 0, 0))
+		script_error(L, "error: %s", lua_tostring(L, -1));
+}
+
+// Exported functions
+
+// minetest.set_node(pos, node)
+// pos = {x=num, y=num, z=num}
+int ModApiEnvMod::l_set_node(lua_State *L)
+{
+	GET_ENV_PTR;
+
+	INodeDefManager *ndef = env->getGameDef()->ndef();
+	// parameters
+	v3s16 pos = read_v3s16(L, 1);
+	MapNode n = readnode(L, 2, ndef);
+	// Do it
+	bool succeeded = env->setNode(pos, n);
+	lua_pushboolean(L, succeeded);
+	return 1;
+}
+
+int ModApiEnvMod::l_add_node(lua_State *L)
+{
+	return l_set_node(L);
+}
+
+// minetest.remove_node(pos)
+// pos = {x=num, y=num, z=num}
+int ModApiEnvMod::l_remove_node(lua_State *L)
+{
+	GET_ENV_PTR;
+
+	// parameters
+	v3s16 pos = read_v3s16(L, 1);
+	// Do it
+	bool succeeded = env->removeNode(pos);
+	lua_pushboolean(L, succeeded);
+	return 1;
+}
+
+// minetest.get_node(pos)
+// pos = {x=num, y=num, z=num}
+int ModApiEnvMod::l_get_node(lua_State *L)
+{
+	GET_ENV_PTR;
+
+	// pos
+	v3s16 pos = read_v3s16(L, 1);
+	// Do it
+	MapNode n = env->getMap().getNodeNoEx(pos);
+	// Return node
+	pushnode(L, n, env->getGameDef()->ndef());
+	return 1;
+}
+
+// minetest.get_node_or_nil(pos)
+// pos = {x=num, y=num, z=num}
+int ModApiEnvMod::l_get_node_or_nil(lua_State *L)
+{
+	GET_ENV_PTR;
+
+	// pos
+	v3s16 pos = read_v3s16(L, 1);
+	// Do it
+	try{
+		MapNode n = env->getMap().getNode(pos);
+		// Return node
+		pushnode(L, n, env->getGameDef()->ndef());
+		return 1;
+	} catch(InvalidPositionException &e)
+	{
+		lua_pushnil(L);
+		return 1;
+	}
+}
+
+// minetest.get_node_light(pos, timeofday)
+// pos = {x=num, y=num, z=num}
+// timeofday: nil = current time, 0 = night, 0.5 = day
+int ModApiEnvMod::l_get_node_light(lua_State *L)
+{
+	GET_ENV_PTR;
+
+	// Do it
+	v3s16 pos = read_v3s16(L, 1);
+	u32 time_of_day = env->getTimeOfDay();
+	if(lua_isnumber(L, 2))
+		time_of_day = 24000.0 * lua_tonumber(L, 2);
+	time_of_day %= 24000;
+	u32 dnr = time_to_daynight_ratio(time_of_day, true);
+	try{
+		MapNode n = env->getMap().getNode(pos);
+		INodeDefManager *ndef = env->getGameDef()->ndef();
+		lua_pushinteger(L, n.getLightBlend(dnr, ndef));
+		return 1;
+	} catch(InvalidPositionException &e)
+	{
+		lua_pushnil(L);
+		return 1;
+	}
+}
+
+// minetest.place_node(pos, node)
+// pos = {x=num, y=num, z=num}
+int ModApiEnvMod::l_place_node(lua_State *L)
+{
+	GET_ENV_PTR;
+
+	v3s16 pos = read_v3s16(L, 1);
+	MapNode n = readnode(L, 2, env->getGameDef()->ndef());
+
+	// Don't attempt to load non-loaded area as of now
+	MapNode n_old = env->getMap().getNodeNoEx(pos);
+	if(n_old.getContent() == CONTENT_IGNORE){
+		lua_pushboolean(L, false);
+		return 1;
+	}
+	// Create item to place
+	INodeDefManager *ndef = getServer(L)->ndef();
+	IItemDefManager *idef = getServer(L)->idef();
+	ItemStack item(ndef->get(n).name, 1, 0, "", idef);
+	// Make pointed position
+	PointedThing pointed;
+	pointed.type = POINTEDTHING_NODE;
+	pointed.node_abovesurface = pos;
+	pointed.node_undersurface = pos + v3s16(0,-1,0);
+	// Place it with a NULL placer (appears in Lua as a non-functional
+	// ObjectRef)
+	bool success = get_scriptapi(L)->item_OnPlace(item, NULL, pointed);
+	lua_pushboolean(L, success);
+	return 1;
+}
+
+// minetest.dig_node(pos)
+// pos = {x=num, y=num, z=num}
+int ModApiEnvMod::l_dig_node(lua_State *L)
+{
+	GET_ENV_PTR;
+
+	v3s16 pos = read_v3s16(L, 1);
+
+	// Don't attempt to load non-loaded area as of now
+	MapNode n = env->getMap().getNodeNoEx(pos);
+	if(n.getContent() == CONTENT_IGNORE){
+		lua_pushboolean(L, false);
+		return 1;
+	}
+	// Dig it out with a NULL digger (appears in Lua as a
+	// non-functional ObjectRef)
+	bool success = get_scriptapi(L)->node_on_dig(pos, n, NULL);
+	lua_pushboolean(L, success);
+	return 1;
+}
+
+// minetest.punch_node(pos)
+// pos = {x=num, y=num, z=num}
+int ModApiEnvMod::l_punch_node(lua_State *L)
+{
+	GET_ENV_PTR;
+
+	v3s16 pos = read_v3s16(L, 1);
+
+	// Don't attempt to load non-loaded area as of now
+	MapNode n = env->getMap().getNodeNoEx(pos);
+	if(n.getContent() == CONTENT_IGNORE){
+		lua_pushboolean(L, false);
+		return 1;
+	}
+	// Punch it with a NULL puncher (appears in Lua as a non-functional
+	// ObjectRef)
+	bool success = get_scriptapi(L)->node_on_punch(pos, n, NULL);
+	lua_pushboolean(L, success);
+	return 1;
+}
+
+// minetest.get_meta(pos)
+int ModApiEnvMod::l_get_meta(lua_State *L)
+{
+	GET_ENV_PTR;
+
+	// Do it
+	v3s16 p = read_v3s16(L, 1);
+	NodeMetaRef::create(L, p, env);
+	return 1;
+}
+
+// minetest.get_node_timer(pos)
+int ModApiEnvMod::l_get_node_timer(lua_State *L)
+{
+	GET_ENV_PTR;
+
+	// Do it
+	v3s16 p = read_v3s16(L, 1);
+	NodeTimerRef::create(L, p, env);
+	return 1;
+}
+
+// minetest.add_entity(pos, entityname) -> ObjectRef or nil
+// pos = {x=num, y=num, z=num}
+int ModApiEnvMod::l_add_entity(lua_State *L)
+{
+	GET_ENV_PTR;
+
+	// pos
+	v3f pos = checkFloatPos(L, 1);
+	// content
+	const char *name = luaL_checkstring(L, 2);
+	// Do it
+	ServerActiveObject *obj = new LuaEntitySAO(env, pos, name, "");
+	int objectid = env->addActiveObject(obj);
+	// If failed to add, return nothing (reads as nil)
+	if(objectid == 0)
+		return 0;
+	// Return ObjectRef
+	get_scriptapi(L)->objectrefGetOrCreate(obj);
+	return 1;
+}
+
+// minetest.add_item(pos, itemstack or itemstring or table) -> ObjectRef or nil
+// pos = {x=num, y=num, z=num}
+int ModApiEnvMod::l_add_item(lua_State *L)
+{
+	GET_ENV_PTR;
+
+	// pos
+	//v3f pos = checkFloatPos(L, 1);
+	// item
+	ItemStack item = read_item(L, 2,getServer(L));
+	if(item.empty() || !item.isKnown(getServer(L)->idef()))
+		return 0;
+	// Use minetest.spawn_item to spawn a __builtin:item
+	lua_getglobal(L, "minetest");
+	lua_getfield(L, -1, "spawn_item");
+	if(lua_isnil(L, -1))
+		return 0;
+	lua_pushvalue(L, 1);
+	lua_pushstring(L, item.getItemString().c_str());
+	if(lua_pcall(L, 2, 1, 0))
+		script_error(L, "error: %s", lua_tostring(L, -1));
+	return 1;
+	/*lua_pushvalue(L, 1);
+	lua_pushstring(L, "__builtin:item");
+	lua_pushstring(L, item.getItemString().c_str());
+	return l_add_entity(L);*/
+	/*// Do it
+	ServerActiveObject *obj = createItemSAO(env, pos, item.getItemString());
+	int objectid = env->addActiveObject(obj);
+	// If failed to add, return nothing (reads as nil)
+	if(objectid == 0)
+		return 0;
+	// Return ObjectRef
+	objectrefGetOrCreate(L, obj);
+	return 1;*/
+}
+
+// minetest.get_player_by_name(name)
+int ModApiEnvMod::l_get_player_by_name(lua_State *L)
+{
+	GET_ENV_PTR;
+
+	// Do it
+	const char *name = luaL_checkstring(L, 1);
+	Player *player = env->getPlayer(name);
+	if(player == NULL){
+		lua_pushnil(L);
+		return 1;
+	}
+	PlayerSAO *sao = player->getPlayerSAO();
+	if(sao == NULL){
+		lua_pushnil(L);
+		return 1;
+	}
+	// Put player on stack
+	get_scriptapi(L)->objectrefGetOrCreate(sao);
+	return 1;
+}
+
+// minetest.get_objects_inside_radius(pos, radius)
+int ModApiEnvMod::l_get_objects_inside_radius(lua_State *L)
+{
+	// Get the table insert function
+	lua_getglobal(L, "table");
+	lua_getfield(L, -1, "insert");
+	int table_insert = lua_gettop(L);
+
+	GET_ENV_PTR;
+
+	// Do it
+	v3f pos = checkFloatPos(L, 1);
+	float radius = luaL_checknumber(L, 2) * BS;
+	std::set<u16> ids = env->getObjectsInsideRadius(pos, radius);
+	lua_newtable(L);
+	int table = lua_gettop(L);
+	for(std::set<u16>::const_iterator
+			i = ids.begin(); i != ids.end(); i++){
+		ServerActiveObject *obj = env->getActiveObject(*i);
+		// Insert object reference into table
+		lua_pushvalue(L, table_insert);
+		lua_pushvalue(L, table);
+		get_scriptapi(L)->objectrefGetOrCreate(obj);
+		if(lua_pcall(L, 2, 0, 0))
+			script_error(L, "error: %s", lua_tostring(L, -1));
+	}
+	return 1;
+}
+
+// minetest.set_timeofday(val)
+// val = 0...1
+int ModApiEnvMod::l_set_timeofday(lua_State *L)
+{
+	GET_ENV_PTR;
+
+	// Do it
+	float timeofday_f = luaL_checknumber(L, 1);
+	assert(timeofday_f >= 0.0 && timeofday_f <= 1.0);
+	int timeofday_mh = (int)(timeofday_f * 24000.0);
+	// This should be set directly in the environment but currently
+	// such changes aren't immediately sent to the clients, so call
+	// the server instead.
+	//env->setTimeOfDay(timeofday_mh);
+	getServer(L)->setTimeOfDay(timeofday_mh);
+	return 0;
+}
+
+// minetest.get_timeofday() -> 0...1
+int ModApiEnvMod::l_get_timeofday(lua_State *L)
+{
+	GET_ENV_PTR;
+
+	// Do it
+	int timeofday_mh = env->getTimeOfDay();
+	float timeofday_f = (float)timeofday_mh / 24000.0;
+	lua_pushnumber(L, timeofday_f);
+	return 1;
+}
+
+
+// minetest.find_node_near(pos, radius, nodenames) -> pos or nil
+// nodenames: eg. {"ignore", "group:tree"} or "default:dirt"
+int ModApiEnvMod::l_find_node_near(lua_State *L)
+{
+	GET_ENV_PTR;
+
+	INodeDefManager *ndef = getServer(L)->ndef();
+	v3s16 pos = read_v3s16(L, 1);
+	int radius = luaL_checkinteger(L, 2);
+	std::set<content_t> filter;
+	if(lua_istable(L, 3)){
+		int table = 3;
+		lua_pushnil(L);
+		while(lua_next(L, table) != 0){
+			// key at index -2 and value at index -1
+			luaL_checktype(L, -1, LUA_TSTRING);
+			ndef->getIds(lua_tostring(L, -1), filter);
+			// removes value, keeps key for next iteration
+			lua_pop(L, 1);
+		}
+	} else if(lua_isstring(L, 3)){
+		ndef->getIds(lua_tostring(L, 3), filter);
+	}
+
+	for(int d=1; d<=radius; d++){
+		std::list<v3s16> list;
+		getFacePositions(list, d);
+		for(std::list<v3s16>::iterator i = list.begin();
+				i != list.end(); ++i){
+			v3s16 p = pos + (*i);
+			content_t c = env->getMap().getNodeNoEx(p).getContent();
+			if(filter.count(c) != 0){
+				push_v3s16(L, p);
+				return 1;
+			}
+		}
+	}
+	return 0;
+}
+
+// minetest.find_nodes_in_area(minp, maxp, nodenames) -> list of positions
+// nodenames: eg. {"ignore", "group:tree"} or "default:dirt"
+int ModApiEnvMod::l_find_nodes_in_area(lua_State *L)
+{
+	GET_ENV_PTR;
+
+	INodeDefManager *ndef = getServer(L)->ndef();
+	v3s16 minp = read_v3s16(L, 1);
+	v3s16 maxp = read_v3s16(L, 2);
+	std::set<content_t> filter;
+	if(lua_istable(L, 3)){
+		int table = 3;
+		lua_pushnil(L);
+		while(lua_next(L, table) != 0){
+			// key at index -2 and value at index -1
+			luaL_checktype(L, -1, LUA_TSTRING);
+			ndef->getIds(lua_tostring(L, -1), filter);
+			// removes value, keeps key for next iteration
+			lua_pop(L, 1);
+		}
+	} else if(lua_isstring(L, 3)){
+		ndef->getIds(lua_tostring(L, 3), filter);
+	}
+
+	// Get the table insert function
+	lua_getglobal(L, "table");
+	lua_getfield(L, -1, "insert");
+	int table_insert = lua_gettop(L);
+
+	lua_newtable(L);
+	int table = lua_gettop(L);
+	for(s16 x=minp.X; x<=maxp.X; x++)
+	for(s16 y=minp.Y; y<=maxp.Y; y++)
+	for(s16 z=minp.Z; z<=maxp.Z; z++)
+	{
+		v3s16 p(x,y,z);
+		content_t c = env->getMap().getNodeNoEx(p).getContent();
+		if(filter.count(c) != 0){
+			lua_pushvalue(L, table_insert);
+			lua_pushvalue(L, table);
+			push_v3s16(L, p);
+			if(lua_pcall(L, 2, 0, 0))
+				script_error(L, "error: %s", lua_tostring(L, -1));
+		}
+	}
+	return 1;
+}
+
+// minetest.get_perlin(seeddiff, octaves, persistence, scale)
+// returns world-specific PerlinNoise
+int ModApiEnvMod::l_get_perlin(lua_State *L)
+{
+	GET_ENV_PTR;
+
+	int seeddiff = luaL_checkint(L, 1);
+	int octaves = luaL_checkint(L, 2);
+	float persistence = luaL_checknumber(L, 3);
+	float scale = luaL_checknumber(L, 4);
+
+	LuaPerlinNoise *n = new LuaPerlinNoise(seeddiff + int(env->getServerMap().getSeed()), octaves, persistence, scale);
+	*(void **)(lua_newuserdata(L, sizeof(void *))) = n;
+	luaL_getmetatable(L, "PerlinNoise");
+	lua_setmetatable(L, -2);
+	return 1;
+}
+
+// minetest.get_perlin_map(noiseparams, size)
+// returns world-specific PerlinNoiseMap
+int ModApiEnvMod::l_get_perlin_map(lua_State *L)
+{
+	GET_ENV_PTR;
+
+	NoiseParams *np = read_noiseparams(L, 1);
+	if (!np)
+		return 0;
+	v3s16 size = read_v3s16(L, 2);
+
+	int seed = (int)(env->getServerMap().getSeed());
+	LuaPerlinNoiseMap *n = new LuaPerlinNoiseMap(np, seed, size);
+	*(void **)(lua_newuserdata(L, sizeof(void *))) = n;
+	luaL_getmetatable(L, "PerlinNoiseMap");
+	lua_setmetatable(L, -2);
+	return 1;
+}
+
+// minetest.clear_objects()
+// clear all objects in the environment
+int ModApiEnvMod::l_clear_objects(lua_State *L)
+{
+	GET_ENV_PTR;
+
+	env->clearAllObjects();
+	return 0;
+}
+
+// minetest.line_of_sight(pos1, pos2, stepsize) -> true/false
+int ModApiEnvMod::l_line_of_sight(lua_State *L) {
+	float stepsize = 1.0;
+
+	GET_ENV_PTR;
+
+	// read position 1 from lua
+	v3f pos1 = checkFloatPos(L, 2);
+	// read position 2 from lua
+	v3f pos2 = checkFloatPos(L, 2);
+	//read step size from lua
+	if(lua_isnumber(L, 3))
+	stepsize = lua_tonumber(L, 3);
+
+	return (env->line_of_sight(pos1,pos2,stepsize));
+}
+
+// minetest.find_path(pos1, pos2, searchdistance,
+//     max_jump, max_drop, algorithm) -> table containing path
+int ModApiEnvMod::l_find_path(lua_State *L)
+{
+	GET_ENV_PTR;
+
+	v3s16 pos1                  = read_v3s16(L, 2);
+	v3s16 pos2                  = read_v3s16(L, 3);
+	unsigned int searchdistance = luaL_checkint(L, 4);
+	unsigned int max_jump       = luaL_checkint(L, 5);
+	unsigned int max_drop       = luaL_checkint(L, 6);
+	algorithm algo              = A_PLAIN_NP;
+	if(! lua_isnil(L, 7)) {
+		std::string algorithm       = luaL_checkstring(L,7);
+
+		if (algorithm == "A*")
+			algo = A_PLAIN;
+
+		if (algorithm == "Dijkstra")
+			algo = DIJKSTRA;
+	}
+
+	std::vector<v3s16> path =
+			get_Path(env,pos1,pos2,searchdistance,max_jump,max_drop,algo);
+
+	if (path.size() > 0)
+	{
+		lua_newtable(L);
+		int top = lua_gettop(L);
+		unsigned int index = 1;
+		for (std::vector<v3s16>::iterator i = path.begin(); i != path.end();i++)
+		{
+			lua_pushnumber(L,index);
+			push_v3s16(L, *i);
+			lua_settable(L, top);
+			index++;
+		}
+		return 1;
+	}
+
+	return 0;
+}
+
+// minetest.spawn_tree(pos, treedef)
+int ModApiEnvMod::l_spawn_tree(lua_State *L)
+{
+	GET_ENV_PTR;
+
+	v3s16 p0 = read_v3s16(L, 1);
+
+	treegen::TreeDef tree_def;
+	std::string trunk,leaves,fruit;
+	INodeDefManager *ndef = env->getGameDef()->ndef();
+
+	if(lua_istable(L, 2))
+	{
+		getstringfield(L, 2, "axiom", tree_def.initial_axiom);
+		getstringfield(L, 2, "rules_a", tree_def.rules_a);
+		getstringfield(L, 2, "rules_b", tree_def.rules_b);
+		getstringfield(L, 2, "rules_c", tree_def.rules_c);
+		getstringfield(L, 2, "rules_d", tree_def.rules_d);
+		getstringfield(L, 2, "trunk", trunk);
+		tree_def.trunknode=ndef->getId(trunk);
+		getstringfield(L, 2, "leaves", leaves);
+		tree_def.leavesnode=ndef->getId(leaves);
+		tree_def.leaves2_chance=0;
+		getstringfield(L, 2, "leaves2", leaves);
+		if (leaves !="")
+		{
+			tree_def.leaves2node=ndef->getId(leaves);
+			getintfield(L, 2, "leaves2_chance", tree_def.leaves2_chance);
+		}
+		getintfield(L, 2, "angle", tree_def.angle);
+		getintfield(L, 2, "iterations", tree_def.iterations);
+		getintfield(L, 2, "random_level", tree_def.iterations_random_level);
+		getstringfield(L, 2, "trunk_type", tree_def.trunk_type);
+		getboolfield(L, 2, "thin_branches", tree_def.thin_branches);
+		tree_def.fruit_chance=0;
+		getstringfield(L, 2, "fruit", fruit);
+		if (fruit != "")
+		{
+			tree_def.fruitnode=ndef->getId(fruit);
+			getintfield(L, 2, "fruit_chance",tree_def.fruit_chance);
+		}
+		getintfield(L, 2, "seed", tree_def.seed);
+	}
+	else
+		return 0;
+	treegen::spawn_ltree (env, p0, ndef, tree_def);
+	return 1;
+}
+
+bool ModApiEnvMod::Initialize(lua_State *L,int top)
+{
+
+	bool retval = true;
+
+	retval &= API_FCT(set_node);
+	retval &= API_FCT(add_node);
+	retval &= API_FCT(add_item);
+	retval &= API_FCT(remove_node);
+	retval &= API_FCT(get_node);
+	retval &= API_FCT(get_node_or_nil);
+	retval &= API_FCT(get_node_light);
+	retval &= API_FCT(place_node);
+	retval &= API_FCT(dig_node);
+	retval &= API_FCT(punch_node);
+	retval &= API_FCT(add_entity);
+	retval &= API_FCT(get_meta);
+	retval &= API_FCT(get_node_timer);
+	retval &= API_FCT(get_player_by_name);
+	retval &= API_FCT(get_objects_inside_radius);
+	retval &= API_FCT(set_timeofday);
+	retval &= API_FCT(get_timeofday);
+	retval &= API_FCT(find_node_near);
+	retval &= API_FCT(find_nodes_in_area);
+	retval &= API_FCT(get_perlin);
+	retval &= API_FCT(get_perlin_map);
+	retval &= API_FCT(clear_objects);
+	retval &= API_FCT(spawn_tree);
+
+	return retval;
+}
+
+ModApiEnvMod modapienv_prototype;

src/script/lua_api/l_env.h

@@ -1,5 +1,5 @@
 /*
-Minetest-c55
+Minetest
 Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com>
 
 This program is free software; you can redistribute it and/or modify
@@ -17,8 +17,8 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */
 
-#ifndef LUA_ENVIRONMENT_H_
+#ifndef L_ENV_H_
-#define LUA_ENVIRONMENT_H_
+#define L_ENV_H_
 
 extern "C" {
 #include <lua.h>
@@ -26,145 +26,147 @@ extern "C" {
 }
 
 #include "environment.h"
+#include "lua_api/l_base.h"
 
-/*
+class ModApiEnvMod
-	EnvRef
+	:public ModApiBase
-*/
-
-class EnvRef
 {
 private:
-	ServerEnvironment *m_env;
+	// minetest.set_node(pos, node)
-
-	static const char className[];
-	static const luaL_reg methods[];
-
-	static int gc_object(lua_State *L) ;
-
-	static EnvRef *checkobject(lua_State *L, int narg);
-
-	// Exported functions
-
-	// EnvRef:set_node(pos, node)
 	// pos = {x=num, y=num, z=num}
 	static int l_set_node(lua_State *L);
 
 	static int l_add_node(lua_State *L);
 
-	// EnvRef:remove_node(pos)
+	// minetest.remove_node(pos)
 	// pos = {x=num, y=num, z=num}
 	static int l_remove_node(lua_State *L);
 
-	// EnvRef:get_node(pos)
+	// minetest.get_node(pos)
 	// pos = {x=num, y=num, z=num}
 	static int l_get_node(lua_State *L);
 
-	// EnvRef:get_node_or_nil(pos)
+	// minetest.get_node_or_nil(pos)
 	// pos = {x=num, y=num, z=num}
 	static int l_get_node_or_nil(lua_State *L);
 
-	// EnvRef:get_node_light(pos, timeofday)
+	// minetest.get_node_light(pos, timeofday)
 	// pos = {x=num, y=num, z=num}
 	// timeofday: nil = current time, 0 = night, 0.5 = day
 	static int l_get_node_light(lua_State *L);
 
-	// EnvRef:place_node(pos, node)
+	// minetest.place_node(pos, node)
 	// pos = {x=num, y=num, z=num}
 	static int l_place_node(lua_State *L);
 
-	// EnvRef:dig_node(pos)
+	// minetest.dig_node(pos)
 	// pos = {x=num, y=num, z=num}
 	static int l_dig_node(lua_State *L);
 
-	// EnvRef:punch_node(pos)
+	// minetest.punch_node(pos)
 	// pos = {x=num, y=num, z=num}
 	static int l_punch_node(lua_State *L);
 
-	// EnvRef:get_meta(pos)
+	// minetest.get_meta(pos)
 	static int l_get_meta(lua_State *L);
 
-	// EnvRef:get_node_timer(pos)
+	// minetest.get_node_timer(pos)
 	static int l_get_node_timer(lua_State *L);
 
-	// EnvRef:add_entity(pos, entityname) -> ObjectRef or nil
+	// minetest.add_entity(pos, entityname) -> ObjectRef or nil
 	// pos = {x=num, y=num, z=num}
 	static int l_add_entity(lua_State *L);
 
-	// EnvRef:add_item(pos, itemstack or itemstring or table) -> ObjectRef or nil
+	// minetest.add_item(pos, itemstack or itemstring or table) -> ObjectRef or nil
 	// pos = {x=num, y=num, z=num}
 	static int l_add_item(lua_State *L);
 
-	// EnvRef:add_rat(pos)
+	// minetest.get_player_by_name(name)
-	// pos = {x=num, y=num, z=num}
-	static int l_add_rat(lua_State *L);
-
-	// EnvRef:add_firefly(pos)
-	// pos = {x=num, y=num, z=num}
-	static int l_add_firefly(lua_State *L);
-
-	// EnvRef:get_player_by_name(name)
 	static int l_get_player_by_name(lua_State *L);
 
-	// EnvRef:get_objects_inside_radius(pos, radius)
+	// minetest.get_objects_inside_radius(pos, radius)
 	static int l_get_objects_inside_radius(lua_State *L);
 
-	// EnvRef:set_timeofday(val)
+	// minetest.set_timeofday(val)
 	// val = 0...1
 	static int l_set_timeofday(lua_State *L);
 
-	// EnvRef:get_timeofday() -> 0...1
+	// minetest.get_timeofday() -> 0...1
 	static int l_get_timeofday(lua_State *L);
 
-	// EnvRef:find_node_near(pos, radius, nodenames) -> pos or nil
+	// minetest.find_node_near(pos, radius, nodenames) -> pos or nil
 	// nodenames: eg. {"ignore", "group:tree"} or "default:dirt"
 	static int l_find_node_near(lua_State *L);
 
-	// EnvRef:find_nodes_in_area(minp, maxp, nodenames) -> list of positions
+	// minetest.find_nodes_in_area(minp, maxp, nodenames) -> list of positions
 	// nodenames: eg. {"ignore", "group:tree"} or "default:dirt"
 	static int l_find_nodes_in_area(lua_State *L);
 
-	//	EnvRef:get_perlin(seeddiff, octaves, persistence, scale)
+	// minetest.get_perlin(seeddiff, octaves, persistence, scale)
-	//  returns world-specific PerlinNoise
+	// returns world-specific PerlinNoise
 	static int l_get_perlin(lua_State *L);
 
-	//  EnvRef:get_perlin_map(noiseparams, size)
+	// minetest.get_perlin_map(noiseparams, size)
-	//  returns world-specific PerlinNoiseMap
+	// returns world-specific PerlinNoiseMap
 	static int l_get_perlin_map(lua_State *L);
 
-	// EnvRef:clear_objects()
+	// minetest.clear_objects()
 	// clear all objects in the environment
 	static int l_clear_objects(lua_State *L);
 
+	// minetest.spawn_tree(pos, treedef)
 	static int l_spawn_tree(lua_State *L);
 
-
+	// minetest.line_of_sight(pos1, pos2, stepsize) -> true/false
 	static int l_line_of_sight(lua_State *L);
 
-	//find a path between two positions
+	// minetest.find_path(pos1, pos2, searchdistance,
+	//     max_jump, max_drop, algorithm) -> table containing path
 	static int l_find_path(lua_State *L);
 
 public:
-	EnvRef(ServerEnvironment *env);
+	bool Initialize(lua_State *L, int top);
-
-	~EnvRef();
-
-	// Creates an EnvRef and leaves it on top of stack
-	// Not callable from Lua; all references are created on the C side.
-	static void create(lua_State *L, ServerEnvironment *env);
-
-	static void set_null(lua_State *L);
-
-	static void Register(lua_State *L);
 };
 
-/*****************************************************************************/
+class LuaABM : public ActiveBlockModifier
-/* Minetest interface                                                        */
+{
-/*****************************************************************************/
+private:
-// On environment step
+	int m_id;
-void scriptapi_environment_step(lua_State *L, float dtime);
-// After generating a piece of map
-void scriptapi_environment_on_generated(lua_State *L, v3s16 minp, v3s16 maxp,
-		u32 blockseed);
-void scriptapi_add_environment(lua_State *L, ServerEnvironment *env);
 
-#endif /* LUA_ENVIRONMENT_H_ */
+	std::set<std::string> m_trigger_contents;
+	std::set<std::string> m_required_neighbors;
+	float m_trigger_interval;
+	u32 m_trigger_chance;
+public:
+	LuaABM(lua_State *L, int id,
+			const std::set<std::string> &trigger_contents,
+			const std::set<std::string> &required_neighbors,
+			float trigger_interval, u32 trigger_chance):
+		m_id(id),
+		m_trigger_contents(trigger_contents),
+		m_required_neighbors(required_neighbors),
+		m_trigger_interval(trigger_interval),
+		m_trigger_chance(trigger_chance)
+	{
+	}
+	virtual std::set<std::string> getTriggerContents()
+	{
+		return m_trigger_contents;
+	}
+	virtual std::set<std::string> getRequiredNeighbors()
+	{
+		return m_required_neighbors;
+	}
+	virtual float getTriggerInterval()
+	{
+		return m_trigger_interval;
+	}
+	virtual u32 getTriggerChance()
+	{
+		return m_trigger_chance;
+	}
+	virtual void trigger(ServerEnvironment *env, v3s16 p, MapNode n,
+			u32 active_object_count, u32 active_object_count_wider);
+};
+
+#endif /* L_ENV_H_ */

src/script/lua_api/l_inventory.cpp

@@ -17,17 +17,15 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */
 
-#include "scriptapi.h"
+#include "cpp_api/scriptapi.h"
-#include "scriptapi_inventory.h"
+#include "common/c_converter.h"
+#include "common/c_content.h"
+#include "lua_api/l_inventory.h"
+#include "lua_api/l_item.h"
+#include "common/c_internal.h"
 #include "server.h"
-#include "script.h"
 #include "log.h"
-#include "scriptapi_types.h"
+#include "inventorymanager.h"
-#include "scriptapi_common.h"
-#include "scriptapi_inventory.h"
-#include "scriptapi_item.h"
-#include "scriptapi_object.h"
-
 
 /*
 	InvRef
@@ -42,12 +40,13 @@ InvRef* InvRef::checkobject(lua_State *L, int narg)
 
 Inventory* InvRef::getinv(lua_State *L, InvRef *ref)
 {
-	return get_server(L)->getInventory(ref->m_loc);
+	return STACK_TO_SERVER(L)->getInventory(ref->m_loc);
 }
 
 InventoryList* InvRef::getlist(lua_State *L, InvRef *ref,
 		const char *listname)
 {
+	NO_MAP_LOCK_REQUIRED;
 	Inventory *inv = getinv(L, ref);
 	if(!inv)
 		return NULL;
@@ -57,7 +56,7 @@ InventoryList* InvRef::getlist(lua_State *L, InvRef *ref,
 void InvRef::reportInventoryChange(lua_State *L, InvRef *ref)
 {
 	// Inform other things that the inventory has changed
-	get_server(L)->setInventoryModified(ref->m_loc);
+	STACK_TO_SERVER(L)->setInventoryModified(ref->m_loc);
 }
 
 // Exported functions
@@ -72,6 +71,7 @@ int InvRef::gc_object(lua_State *L) {
 // is_empty(self, listname) -> true/false
 int InvRef::l_is_empty(lua_State *L)
 {
+	NO_MAP_LOCK_REQUIRED;
 	InvRef *ref = checkobject(L, 1);
 	const char *listname = luaL_checkstring(L, 2);
 	InventoryList *list = getlist(L, ref, listname);
@@ -86,6 +86,7 @@ int InvRef::l_is_empty(lua_State *L)
 // get_size(self, listname)
 int InvRef::l_get_size(lua_State *L)
 {
+	NO_MAP_LOCK_REQUIRED;
 	InvRef *ref = checkobject(L, 1);
 	const char *listname = luaL_checkstring(L, 2);
 	InventoryList *list = getlist(L, ref, listname);
@@ -100,6 +101,7 @@ int InvRef::l_get_size(lua_State *L)
 // get_width(self, listname)
 int InvRef::l_get_width(lua_State *L)
 {
+	NO_MAP_LOCK_REQUIRED;
 	InvRef *ref = checkobject(L, 1);
 	const char *listname = luaL_checkstring(L, 2);
 	InventoryList *list = getlist(L, ref, listname);
@@ -114,6 +116,7 @@ int InvRef::l_get_width(lua_State *L)
 // set_size(self, listname, size)
 int InvRef::l_set_size(lua_State *L)
 {
+	NO_MAP_LOCK_REQUIRED;
 	InvRef *ref = checkobject(L, 1);
 	const char *listname = luaL_checkstring(L, 2);
 	int newsize = luaL_checknumber(L, 3);
@@ -136,6 +139,7 @@ int InvRef::l_set_size(lua_State *L)
 // set_width(self, listname, size)
 int InvRef::l_set_width(lua_State *L)
 {
+	NO_MAP_LOCK_REQUIRED;
 	InvRef *ref = checkobject(L, 1);
 	const char *listname = luaL_checkstring(L, 2);
 	int newwidth = luaL_checknumber(L, 3);
@@ -153,6 +157,7 @@ int InvRef::l_set_width(lua_State *L)
 // get_stack(self, listname, i) -> itemstack
 int InvRef::l_get_stack(lua_State *L)
 {
+	NO_MAP_LOCK_REQUIRED;
 	InvRef *ref = checkobject(L, 1);
 	const char *listname = luaL_checkstring(L, 2);
 	int i = luaL_checknumber(L, 3) - 1;
@@ -167,10 +172,11 @@ int InvRef::l_get_stack(lua_State *L)
 // set_stack(self, listname, i, stack) -> true/false
 int InvRef::l_set_stack(lua_State *L)
 {
+	NO_MAP_LOCK_REQUIRED;
 	InvRef *ref = checkobject(L, 1);
 	const char *listname = luaL_checkstring(L, 2);
 	int i = luaL_checknumber(L, 3) - 1;
-	ItemStack newitem = read_item(L, 4);
+	ItemStack newitem = read_item(L, 4,STACK_TO_SERVER(L));
 	InventoryList *list = getlist(L, ref, listname);
 	if(list != NULL && i >= 0 && i < (int) list->getSize()){
 		list->changeItem(i, newitem);
@@ -185,25 +191,27 @@ int InvRef::l_set_stack(lua_State *L)
 // get_list(self, listname) -> list or nil
 int InvRef::l_get_list(lua_State *L)
 {
+	NO_MAP_LOCK_REQUIRED;
 	InvRef *ref = checkobject(L, 1);
 	const char *listname = luaL_checkstring(L, 2);
 	Inventory *inv = getinv(L, ref);
-	inventory_get_list_to_lua(inv, listname, L);
+	push_inventory_list(inv, listname, L);
 	return 1;
 }
 
 // set_list(self, listname, list)
 int InvRef::l_set_list(lua_State *L)
 {
+	NO_MAP_LOCK_REQUIRED;
 	InvRef *ref = checkobject(L, 1);
 	const char *listname = luaL_checkstring(L, 2);
 	Inventory *inv = getinv(L, ref);
 	InventoryList *list = inv->getList(listname);
 	if(list)
-		inventory_set_list_from_lua(inv, listname, L, 3,
+		read_inventory_list(inv, listname, L, 3,
-				list->getSize());
+				STACK_TO_SERVER(L),list->getSize());
 	else
-		inventory_set_list_from_lua(inv, listname, L, 3);
+		read_inventory_list(inv, listname, L, 3,STACK_TO_SERVER(L));
 	reportInventoryChange(L, ref);
 	return 0;
 }
@@ -212,9 +220,10 @@ int InvRef::l_set_list(lua_State *L)
 // Returns the leftover stack
 int InvRef::l_add_item(lua_State *L)
 {
+	NO_MAP_LOCK_REQUIRED;
 	InvRef *ref = checkobject(L, 1);
 	const char *listname = luaL_checkstring(L, 2);
-	ItemStack item = read_item(L, 3);
+	ItemStack item = read_item(L, 3,STACK_TO_SERVER(L));
 	InventoryList *list = getlist(L, ref, listname);
 	if(list){
 		ItemStack leftover = list->addItem(item);
@@ -231,9 +240,10 @@ int InvRef::l_add_item(lua_State *L)
 // Returns true if the item completely fits into the list
 int InvRef::l_room_for_item(lua_State *L)
 {
+	NO_MAP_LOCK_REQUIRED;
 	InvRef *ref = checkobject(L, 1);
 	const char *listname = luaL_checkstring(L, 2);
-	ItemStack item = read_item(L, 3);
+	ItemStack item = read_item(L, 3,STACK_TO_SERVER(L));
 	InventoryList *list = getlist(L, ref, listname);
 	if(list){
 		lua_pushboolean(L, list->roomForItem(item));
@@ -247,9 +257,10 @@ int InvRef::l_room_for_item(lua_State *L)
 // Returns true if the list contains the given count of the given item name
 int InvRef::l_contains_item(lua_State *L)
 {
+	NO_MAP_LOCK_REQUIRED;
 	InvRef *ref = checkobject(L, 1);
 	const char *listname = luaL_checkstring(L, 2);
-	ItemStack item = read_item(L, 3);
+	ItemStack item = read_item(L, 3, STACK_TO_SERVER(L));
 	InventoryList *list = getlist(L, ref, listname);
 	if(list){
 		lua_pushboolean(L, list->containsItem(item));
@@ -263,9 +274,10 @@ int InvRef::l_contains_item(lua_State *L)
 // Returns the items that were actually removed
 int InvRef::l_remove_item(lua_State *L)
 {
+	NO_MAP_LOCK_REQUIRED;
 	InvRef *ref = checkobject(L, 1);
 	const char *listname = luaL_checkstring(L, 2);
-	ItemStack item = read_item(L, 3);
+	ItemStack item = read_item(L, 3,STACK_TO_SERVER(L));
 	InventoryList *list = getlist(L, ref, listname);
 	if(list){
 		ItemStack removed = list->removeItem(item);
@@ -281,6 +293,7 @@ int InvRef::l_remove_item(lua_State *L)
 // get_location() -> location (like minetest.get_inventory(location))
 int InvRef::l_get_location(lua_State *L)
 {
+	NO_MAP_LOCK_REQUIRED;
 	InvRef *ref = checkobject(L, 1);
 	const InventoryLocation &loc = ref->m_loc;
 	switch(loc.type){
@@ -293,10 +306,10 @@ int InvRef::l_get_location(lua_State *L)
 		return 1;
 	case InventoryLocation::NODEMETA:
 		lua_newtable(L);
-		lua_pushstring(L, "nodemeta");
+		lua_pushstring(L, "node");
 		lua_setfield(L, -2, "type");
 		push_v3s16(L, loc.p);
-		lua_setfield(L, -2, "name");
+		lua_setfield(L, -2, "pos");
 		return 1;
 	case InventoryLocation::DETACHED:
 		lua_newtable(L);
@@ -329,6 +342,7 @@ InvRef::~InvRef()
 // Not callable from Lua; all references are created on the C side.
 void InvRef::create(lua_State *L, const InventoryLocation &loc)
 {
+	NO_MAP_LOCK_REQUIRED;
 	InvRef *o = new InvRef(loc);
 	*(void **)(lua_newuserdata(L, sizeof(void *))) = o;
 	luaL_getmetatable(L, className);
@@ -336,6 +350,7 @@ void InvRef::create(lua_State *L, const InventoryLocation &loc)
 }
 void InvRef::createPlayer(lua_State *L, Player *player)
 {
+	NO_MAP_LOCK_REQUIRED;
 	InventoryLocation loc;
 	loc.setPlayer(player->getName());
 	create(L, loc);
@@ -394,328 +409,48 @@ const luaL_reg InvRef::methods[] = {
 	{0,0}
 };
 
-void inventory_get_list_to_lua(Inventory *inv, const char *name,
-		lua_State *L)
-{
-	InventoryList *invlist = inv->getList(name);
-	if(invlist == NULL){
-		lua_pushnil(L);
-		return;
-	}
-	std::vector<ItemStack> items;
-	for(u32 i=0; i<invlist->getSize(); i++)
-		items.push_back(invlist->getItem(i));
-	push_items(L, items);
-}
-
-void inventory_set_list_from_lua(Inventory *inv, const char *name,
-		lua_State *L, int tableindex, int forcesize)
-{
-	if(tableindex < 0)
-		tableindex = lua_gettop(L) + 1 + tableindex;
-	// If nil, delete list
-	if(lua_isnil(L, tableindex)){
-		inv->deleteList(name);
-		return;
-	}
-	// Otherwise set list
-	std::vector<ItemStack> items = read_items(L, tableindex);
-	int listsize = (forcesize != -1) ? forcesize : items.size();
-	InventoryList *invlist = inv->addList(name, listsize);
-	int index = 0;
-	for(std::vector<ItemStack>::const_iterator
-			i = items.begin(); i != items.end(); i++){
-		if(forcesize != -1 && index == forcesize)
-			break;
-		invlist->changeItem(index, *i);
-		index++;
-	}
-	while(forcesize != -1 && index < forcesize){
-		invlist->deleteItem(index);
-		index++;
-	}
-}
-
 // get_inventory(location)
-int l_get_inventory(lua_State *L)
+int ModApiInventory::l_get_inventory(lua_State *L)
 {
 	InventoryLocation loc;
 
 	std::string type = checkstringfield(L, 1, "type");
-	if(type == "player"){
+
-		std::string name = checkstringfield(L, 1, "name");
+	if(type == "node"){
-		loc.setPlayer(name);
-	} else if(type == "node"){
 		lua_getfield(L, 1, "pos");
 		v3s16 pos = check_v3s16(L, -1);
 		loc.setNodeMeta(pos);
-	} else if(type == "detached"){
+
-		std::string name = checkstringfield(L, 1, "name");
+		if(getServer(L)->getInventory(loc) != NULL)
-		loc.setDetached(name);
+			InvRef::create(L, loc);
+		else
+			lua_pushnil(L);
+		return 1;
+	} else {
+		NO_MAP_LOCK_REQUIRED;
+		if(type == "player"){
+			std::string name = checkstringfield(L, 1, "name");
+			loc.setPlayer(name);
+		} else if(type == "detached"){
+			std::string name = checkstringfield(L, 1, "name");
+			loc.setDetached(name);
+		}
+
+		if(getServer(L)->getInventory(loc) != NULL)
+			InvRef::create(L, loc);
+		else
+			lua_pushnil(L);
+		return 1;	
+		// END NO_MAP_LOCK_REQUIRED;
 	}
-
-	if(get_server(L)->getInventory(loc) != NULL)
-		InvRef::create(L, loc);
-	else
-		lua_pushnil(L);
-	return 1;
-}
-
-/*
-	Detached inventory callbacks
-*/
-
-// Retrieves minetest.detached_inventories[name][callbackname]
-// If that is nil or on error, return false and stack is unchanged
-// If that is a function, returns true and pushes the
-// function onto the stack
-static bool get_detached_inventory_callback(lua_State *L,
-		const std::string &name, const char *callbackname)
-{
-	lua_getglobal(L, "minetest");
-	lua_getfield(L, -1, "detached_inventories");
-	lua_remove(L, -2);
-	luaL_checktype(L, -1, LUA_TTABLE);
-	lua_getfield(L, -1, name.c_str());
-	lua_remove(L, -2);
-	// Should be a table
-	if(lua_type(L, -1) != LUA_TTABLE)
-	{
-		errorstream<<"Item \""<<name<<"\" not defined"<<std::endl;
-		lua_pop(L, 1);
-		return false;
-	}
-	lua_getfield(L, -1, callbackname);
-	lua_remove(L, -2);
-	// Should be a function or nil
-	if(lua_type(L, -1) == LUA_TFUNCTION)
-	{
-		return true;
-	}
-	else if(lua_isnil(L, -1))
-	{
-		lua_pop(L, 1);
-		return false;
-	}
-	else
-	{
-		errorstream<<"Detached inventory \""<<name<<"\" callback \""
-			<<callbackname<<"\" is not a function"<<std::endl;
-		lua_pop(L, 1);
-		return false;
-	}
-}
-
-// Return number of accepted items to be moved
-int scriptapi_detached_inventory_allow_move(lua_State *L,
-		const std::string &name,
-		const std::string &from_list, int from_index,
-		const std::string &to_list, int to_index,
-		int count, ServerActiveObject *player)
-{
-	realitycheck(L);
-	assert(lua_checkstack(L, 20));
-	StackUnroller stack_unroller(L);
-
-	// Push callback function on stack
-	if(!get_detached_inventory_callback(L, name, "allow_move"))
-		return count;
-
-	// function(inv, from_list, from_index, to_list, to_index, count, player)
-	// inv
-	InventoryLocation loc;
-	loc.setDetached(name);
-	InvRef::create(L, loc);
-	// from_list
-	lua_pushstring(L, from_list.c_str());
-	// from_index
-	lua_pushinteger(L, from_index + 1);
-	// to_list
-	lua_pushstring(L, to_list.c_str());
-	// to_index
-	lua_pushinteger(L, to_index + 1);
-	// count
-	lua_pushinteger(L, count);
-	// player
-	objectref_get_or_create(L, player);
-	if(lua_pcall(L, 7, 1, 0))
-		script_error(L, "error: %s", lua_tostring(L, -1));
-	if(!lua_isnumber(L, -1))
-		throw LuaError(L, "allow_move should return a number");
-	return luaL_checkinteger(L, -1);
-}
-
-// Return number of accepted items to be put
-int scriptapi_detached_inventory_allow_put(lua_State *L,
-		const std::string &name,
-		const std::string &listname, int index, ItemStack &stack,
-		ServerActiveObject *player)
-{
-	realitycheck(L);
-	assert(lua_checkstack(L, 20));
-	StackUnroller stack_unroller(L);
-
-	// Push callback function on stack
-	if(!get_detached_inventory_callback(L, name, "allow_put"))
-		return stack.count; // All will be accepted
-
-	// Call function(inv, listname, index, stack, player)
-	// inv
-	InventoryLocation loc;
-	loc.setDetached(name);
-	InvRef::create(L, loc);
-	// listname
-	lua_pushstring(L, listname.c_str());
-	// index
-	lua_pushinteger(L, index + 1);
-	// stack
-	LuaItemStack::create(L, stack);
-	// player
-	objectref_get_or_create(L, player);
-	if(lua_pcall(L, 5, 1, 0))
-		script_error(L, "error: %s", lua_tostring(L, -1));
-	if(!lua_isnumber(L, -1))
-		throw LuaError(L, "allow_put should return a number");
-	return luaL_checkinteger(L, -1);
-}
-
-// Return number of accepted items to be taken
-int scriptapi_detached_inventory_allow_take(lua_State *L,
-		const std::string &name,
-		const std::string &listname, int index, ItemStack &stack,
-		ServerActiveObject *player)
-{
-	realitycheck(L);
-	assert(lua_checkstack(L, 20));
-	StackUnroller stack_unroller(L);
-
-	// Push callback function on stack
-	if(!get_detached_inventory_callback(L, name, "allow_take"))
-		return stack.count; // All will be accepted
-
-	// Call function(inv, listname, index, stack, player)
-	// inv
-	InventoryLocation loc;
-	loc.setDetached(name);
-	InvRef::create(L, loc);
-	// listname
-	lua_pushstring(L, listname.c_str());
-	// index
-	lua_pushinteger(L, index + 1);
-	// stack
-	LuaItemStack::create(L, stack);
-	// player
-	objectref_get_or_create(L, player);
-	if(lua_pcall(L, 5, 1, 0))
-		script_error(L, "error: %s", lua_tostring(L, -1));
-	if(!lua_isnumber(L, -1))
-		throw LuaError(L, "allow_take should return a number");
-	return luaL_checkinteger(L, -1);
-}
-
-// Report moved items
-void scriptapi_detached_inventory_on_move(lua_State *L,
-		const std::string &name,
-		const std::string &from_list, int from_index,
-		const std::string &to_list, int to_index,
-		int count, ServerActiveObject *player)
-{
-	realitycheck(L);
-	assert(lua_checkstack(L, 20));
-	StackUnroller stack_unroller(L);
-
-	// Push callback function on stack
-	if(!get_detached_inventory_callback(L, name, "on_move"))
-		return;
-
-	// function(inv, from_list, from_index, to_list, to_index, count, player)
-	// inv
-	InventoryLocation loc;
-	loc.setDetached(name);
-	InvRef::create(L, loc);
-	// from_list
-	lua_pushstring(L, from_list.c_str());
-	// from_index
-	lua_pushinteger(L, from_index + 1);
-	// to_list
-	lua_pushstring(L, to_list.c_str());
-	// to_index
-	lua_pushinteger(L, to_index + 1);
-	// count
-	lua_pushinteger(L, count);
-	// player
-	objectref_get_or_create(L, player);
-	if(lua_pcall(L, 7, 0, 0))
-		script_error(L, "error: %s", lua_tostring(L, -1));
-}
-
-// Report put items
-void scriptapi_detached_inventory_on_put(lua_State *L,
-		const std::string &name,
-		const std::string &listname, int index, ItemStack &stack,
-		ServerActiveObject *player)
-{
-	realitycheck(L);
-	assert(lua_checkstack(L, 20));
-	StackUnroller stack_unroller(L);
-
-	// Push callback function on stack
-	if(!get_detached_inventory_callback(L, name, "on_put"))
-		return;
-
-	// Call function(inv, listname, index, stack, player)
-	// inv
-	InventoryLocation loc;
-	loc.setDetached(name);
-	InvRef::create(L, loc);
-	// listname
-	lua_pushstring(L, listname.c_str());
-	// index
-	lua_pushinteger(L, index + 1);
-	// stack
-	LuaItemStack::create(L, stack);
-	// player
-	objectref_get_or_create(L, player);
-	if(lua_pcall(L, 5, 0, 0))
-		script_error(L, "error: %s", lua_tostring(L, -1));
-}
-
-// Report taken items
-void scriptapi_detached_inventory_on_take(lua_State *L,
-		const std::string &name,
-		const std::string &listname, int index, ItemStack &stack,
-		ServerActiveObject *player)
-{
-	realitycheck(L);
-	assert(lua_checkstack(L, 20));
-	StackUnroller stack_unroller(L);
-
-	// Push callback function on stack
-	if(!get_detached_inventory_callback(L, name, "on_take"))
-		return;
-
-	// Call function(inv, listname, index, stack, player)
-	// inv
-	InventoryLocation loc;
-	loc.setDetached(name);
-	InvRef::create(L, loc);
-	// listname
-	lua_pushstring(L, listname.c_str());
-	// index
-	lua_pushinteger(L, index + 1);
-	// stack
-	LuaItemStack::create(L, stack);
-	// player
-	objectref_get_or_create(L, player);
-	if(lua_pcall(L, 5, 0, 0))
-		script_error(L, "error: %s", lua_tostring(L, -1));
 }
 
 // create_detached_inventory_raw(name)
-int l_create_detached_inventory_raw(lua_State *L)
+int ModApiInventory::l_create_detached_inventory_raw(lua_State *L)
 {
+	NO_MAP_LOCK_REQUIRED;
 	const char *name = luaL_checkstring(L, 1);
-	if(get_server(L)->createDetachedInventory(name) != NULL){
+	if(getServer(L)->createDetachedInventory(name) != NULL){
 		InventoryLocation loc;
 		loc.setDetached(name);
 		InvRef::create(L, loc);
@@ -724,3 +459,21 @@ int l_create_detached_inventory_raw(lua_State *L)
 	}
 	return 1;
 }
+
+bool ModApiInventory::Initialize(lua_State *L, int top) {
+	bool retval = true;
+
+	retval &= API_FCT(create_detached_inventory_raw);
+	retval &= API_FCT(get_inventory);
+
+	InvRef::Register(L);
+
+	return retval;
+}
+
+ModApiInventory::ModApiInventory()
+	: ModApiBase() {
+
+}
+
+ModApiInventory modapiinventory_prototype;