Merge remote branch 'origin/master'

2013-02-28 18:03:28 +01:00 · 2013-02-28 18:03:28 +01:00 · 22e186b4aa
commit 22e186b4aa
parent 372acf7b8e d31f07bd4b
259 changed files with 16745 additions and 1479 deletions
--- a/.gitignore
+++ b/.gitignore
@ -36,6 +36,12 @@ src/jthread/cmake_install.cmake
 src/jthread/libjthread.a
 src/lua/build/
 src/lua/CMakeFiles/
+src/cguittfont/CMakeFiles/
+src/cguittfont/libcguittfont.a
+src/cguittfont/cmake_install.cmake
+src/cguittfont/Makefile
+src/json/CMakeFiles/
+src/json/libjson.a
 CMakeCache.txt
 CPackConfig.cmake
 CPackSourceConfig.cmake
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@ -148,6 +148,8 @@ if(RUN_IN_PLACE)
 	install(FILES "${CMAKE_CURRENT_SOURCE_DIR}/textures/all/textures_here.txt" DESTINATION "${SHAREDIR}/textures/all")
 endif()

+install(DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}/fonts" DESTINATION "${SHAREDIR}")
+
 install(FILES "README.txt" DESTINATION "${DOCDIR}")
 install(FILES "doc/lua_api.txt" DESTINATION "${DOCDIR}")
 install(FILES "doc/mapformat.txt" DESTINATION "${DOCDIR}")
--- a/README.txt
+++ b/README.txt
@ -3,23 +3,23 @@ Minetest

 An InfiniMiner/Minecraft inspired game.

-Copyright (c) 2010-2012 Perttu Ahola <celeron55@gmail.com>
-and ther contributors (see source file comments and the version control log)
+Copyright (c) 2010-2013 Perttu Ahola <celeron55@gmail.com>
+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 the minetest_game project too:
-  https://github.com/celeron55/minetest_game/
+  https://github.com/minetest/minetest_game/
 See the README.txt in it.

 Further documentation
 ----------------------
 - Website: http://minetest.net/
 - Wiki: http://wiki.minetest.com/
- Developer wiki: http://minetest.net/wiki/
- Forum: http://minetest.net/forum/
- Github: https://github.com/celeron55/minetest/
+- Developer wiki: http://dev.minetest.net/
+- Forum: http://forum.minetest.net/
+- Github: https://github.com/minetest/minetest/
 - doc/ directory of source distribution

 This game is not finished
@ -41,7 +41,7 @@ Default Controls
 Paths
 ------
 $bin   - Compiled binaries
-$share - Cistributed read-only data
+$share - Distributed read-only data
 $user  - User-created modifiable data

 Windows .zip / RUN_IN_PLACE source:
@ -83,15 +83,15 @@ Install dependencies. Here's an example for Debian/Ubuntu:
 $ apt-get install build-essential libirrlicht-dev cmake libbz2-dev libpng12-dev libjpeg8-dev libxxf86vm-dev libgl1-mesa-dev libsqlite3-dev libogg-dev libvorbis-dev libopenal-dev

 Download source, extract (this is the URL to the latest of source repository, which might not work at all times):
-$ wget https://github.com/celeron55/minetest/tarball/master -O master.tar.gz
+$ wget https://github.com/minetest/minetest/tarball/master -O master.tar.gz
 $ tar xf master.tar.gz
-$ cd celeron55-minetest-286edd4 (or similar)
+$ cd minetest-minetest-286edd4 (or similar)

 Download minetest_game (otherwise only the "Minimal development test" game is available)
 $ cd games/
-$ wget https://github.com/celeron55/minetest_game/tarball/master -O master.tar.gz
+$ wget https://github.com/minetest/minetest_game/tarball/master -O master.tar.gz
 $ tar xf master.tar.gz
-$ mv celeron55-minetest_game-* minetest_game
+$ mv minetest-minetest_game-* minetest_game
 $ cd ..

 Build a version that runs directly from the source directory:
@ -126,7 +126,7 @@ Compiling on Windows:
 		http://www.winimage.com/zLibDll/index.html
 	* Zlib library (zlibwapi.lib and zlibwapi.dll from zlib125dll.zip):
 		http://www.winimage.com/zLibDll/index.html
-	* Optional: gettext bibrary and tools:
+	* Optional: gettext library and tools:
 		http://gnuwin32.sourceforge.net/downlinks/gettext.php
 		- This is used for other UI languages. Feel free to leave it out.
 	* And, of course, Minetest:
@ -258,7 +258,7 @@ License of Minetest source code
 -------------------------------

 Minetest
-Copyright (C) 2010-2011 celeron55, Perttu Ahola <celeron55@gmail.com>
+Copyright (C) 2010-2013 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
@ -372,4 +372,8 @@ DejaVu Sans Mono:

  Copyright (c) 2006 by Tavmjong Bah. All Rights Reserved.

+  Liberation Fonts Copyright:
+
+  Copyright (c) 2007 Red Hat, Inc. All rights reserved. LIBERATION is a trademark of Red Hat, Inc.
+

--- a/builtin/builtin.lua
+++ b/builtin/builtin.lua
@ -8,6 +8,7 @@
 -- Initialize some very basic things
 print = minetest.debug
 math.randomseed(os.time())
+os.setlocale("C", "numeric")

 -- Load other files
 dofile(minetest.get_modpath("__builtin").."/serialize.lua")
--- a/builtin/item.lua
+++ b/builtin/item.lua
@ -141,7 +141,7 @@ function minetest.item_place_node(itemstack, placer, pointed_thing)
 		minetest.log("info", placer:get_player_name() .. " tried to place"
 			.. " node in invalid position " .. minetest.pos_to_string(above)
 			.. ", replacing " .. oldnode_above.name)
-		return
+		return itemstack
 	end

 	-- Place above pointed node
@ -186,7 +186,7 @@ function minetest.item_place_node(itemstack, placer, pointed_thing)
 		not check_attached_node(place_to, newnode) then
 		minetest.log("action", "attached node " .. def.name ..
 			" can not be placed at " .. minetest.pos_to_string(place_to))
-		return
+		return itemstack
 	end

 	-- Add node and update
@ -237,16 +237,14 @@ function minetest.item_place(itemstack, placer, pointed_thing)
 		local n = minetest.env:get_node(pointed_thing.under)
 		local nn = n.name
 		if minetest.registered_nodes[nn] and minetest.registered_nodes[nn].on_rightclick then
-			minetest.registered_nodes[nn].on_rightclick(pointed_thing.under, n, placer)
-			return
+			return minetest.registered_nodes[nn].on_rightclick(pointed_thing.under, n, placer, itemstack)
 		end
 	end

 	if itemstack:get_definition().type == "node" then
 		return minetest.item_place_node(itemstack, placer, pointed_thing)
-	elseif itemstack:get_definition().type ~= "none" then
-		return minetest.item_place_object(itemstack, placer, pointed_thing)
 	end
+	return itemstack
 end

 function minetest.item_drop(itemstack, dropper, pos)
@ -263,7 +261,7 @@ function minetest.item_drop(itemstack, dropper, pos)
 	else
 		minetest.env:add_item(pos, itemstack)
 	end
-	return ""
+	return ItemStack("")
 end

 function minetest.item_eat(hp_change, replace_with_item)
@ -292,7 +290,15 @@ function minetest.handle_node_drops(pos, drops, digger)
 	if digger:get_inventory() then
 		local _, dropped_item
 		for _, dropped_item in ipairs(drops) do
-			digger:get_inventory():add_item("main", dropped_item)
+			local left = digger:get_inventory():add_item("main", dropped_item)
+			if not left:is_empty() then
+				local p = {
+					x = pos.x + math.random()/2-0.25,
+					y = pos.y + math.random()/2-0.25,
+					z = pos.z + math.random()/2-0.25,
+				}
+				minetest.env:add_item(p, left)
+			end
 		end
 	end
 end
--- a/builtin/item_entity.lua
+++ b/builtin/item_entity.lua
@ -109,7 +109,10 @@ minetest.register_entity("__builtin:item", {

 	on_punch = function(self, hitter)
 		if self.itemstring ~= '' then
-			hitter:get_inventory():add_item("main", self.itemstring)
+			local left = hitter:get_inventory():add_item("main", self.itemstring)
+			if not left:is_empty() then
+				return
+			end
 		end
 		self.object:remove()
 	end,
--- a/cmake/Modules/FindJson.cmake
+++ b/cmake/Modules/FindJson.cmake
@ -0,0 +1,18 @@
+# Look for json, use our own if not found
+
+#FIND_PATH(JSON_INCLUDE_DIR json.h)
+
+#FIND_LIBRARY(JSON_LIBRARY NAMES json)
+
+#IF(JSON_LIBRARY AND JSON_INCLUDE_DIR)
+#	SET( JSON_FOUND TRUE )
+#ENDIF(JSON_LIBRARY AND JSON_INCLUDE_DIR)
+
+#IF(JSON_FOUND)
+#	MESSAGE(STATUS "Found system json header file in ${JSON_INCLUDE_DIR}")
+#	MESSAGE(STATUS "Found system json library ${JSON_LIBRARY}")
+#ELSE(JSON_FOUND)
+	SET(JSON_INCLUDE_DIR ${PROJECT_SOURCE_DIR}/json)
+	SET(JSON_LIBRARY json)
+	MESSAGE(STATUS "Using project json library")
+#ENDIF(JSON_FOUND)
--- a/doc/lua_api.txt
+++ b/doc/lua_api.txt
@ -1093,6 +1093,7 @@ treedef={
  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
@ -1497,8 +1498,10 @@ Node definition (register_node)
    on_punch = func(pos, node, puncher),
    ^ default: minetest.node_punch
    ^ By default: does nothing
-    on_rightclick = func(pos, node, clicker),
+    on_rightclick = func(pos, node, clicker, itemstack),
    ^ default: nil
+    ^ if defined, itemstack will hold clicker's wielded item
+      Shall return the leftover itemstack
    on_dig = func(pos, node, digger),
    ^ default: minetest.node_dig
    ^ By default: checks privileges, wears out tool and removes node
--- a/doc/protocol.txt
+++ b/doc/protocol.txt
@ -1,4 +1,4 @@
-Minetest-c55 protocol (incomplete, early draft):
+Minetest protocol (incomplete, early draft):
 Updated 2011-06-18

 A custom protocol over UDP.
--- a/fonts/liberationmono.ttf
+++ b/fonts/liberationmono.ttf
--- a/fonts/liberationsans.ttf
+++ b/fonts/liberationsans.ttf
--- a/games/minimal/mods/default/mapgen.lua
+++ b/games/minimal/mods/default/mapgen.lua
@ -27,7 +27,7 @@ minetest.register_alias("mapgen_mese", "default:mese")
 -- Ore generation
 --

-local function generate_ore(name, wherein, minp, maxp, seed, chunks_per_volume, ore_per_chunk, height_min, height_max)
+local function generate_ore(name, wherein, minp, maxp, seed, chunks_per_volume, ore_per_chunk, height_min, height_max, param2)
 	if maxp.y < height_min or minp.y > height_max then
 		return
 	end
@ -57,7 +57,7 @@ local function generate_ore(name, wherein, minp, maxp, seed, chunks_per_volume,
 					local z2 = z0+z1
 					local p2 = {x=x2, y=y2, z=z2}
 					if minetest.env:get_node(p2).name == wherein then
-						minetest.env:set_node(p2, {name=name})
+						minetest.env:set_node(p2, {name=name, param2=param2})
 					end
 				end
 			end
@ -110,5 +110,11 @@ minetest.register_on_generated(function(minp, maxp, seed)
 		end
 		end
 	end
+	if minetest.setting_get("liquid_finite") then
+		generate_ore("default:water_source", "default:stone", minp, maxp, seed+42, 1/24/24/24, 4,  -100,   -10,  128)
+		generate_ore("default:water_source", "default:stone", minp, maxp, seed+42, 1/28/28/28, 3,  -10000, -101, 128)
+		generate_ore("default:lava_source",  "default:stone", minp, maxp, seed+43, 1/38/38/38, 2,  -500,   -100, 128)
+		generate_ore("default:lava_source",  "default:stone", minp, maxp, seed+43, 1/30/30/30, 4,  -31000, -501, 128)
+	end
 end)

--- a/minetest.conf.example
+++ b/minetest.conf.example
@ -90,6 +90,14 @@
 #enable_fog = true
 # Enable a bit lower water surface; disable for speed (not quite optimized)
 #new_style_water = false
+# Constant volume liquids
+#liquid_finite = false
+# Update liquids every .. recommend for finite: 0.2
+#liquid_update = 1.0
+# When finite liquid: relax flowing blocks to source if level near max and N nearby source blocks, more realistic, but not true constant. values: 0,1,2,3,4 : 0 - disable, 1 - most aggresive
+#liquid_relax = 1
+# optimization: faster cave flood (and not true constant)
+#liquid_fast_flood = 1
 # Enable nice leaves; disable for speed
 #new_style_leaves = true
 # Enable smooth lighting with simple ambient occlusion;
@ -159,14 +167,29 @@
 #media_fetch_threads = 8

 # Url to the server list displayed in the Multiplayer Tab
-#serverlist_url = servers.minetest.ru/server.list
+#serverlist_url = servers.minetest.net
 # File in client/serverlist/ that contains your favorite servers displayed in the Multiplayer Tab
 #serverlist_file = favoriteservers.txt

+#font_path = fonts/liberationsans.ttf
+#font_size = 13
+#mono_font_path = fonts/liberationmono.ttf
+#mono_font_size = 13
+
 #
 # Server stuff
 #

+# Name of server
+#server_name = Minetest server
+# Description of server
+#server_description = mine here
+# Domain name of server
+#server_address = game.minetest.net
+# Homepage of server
+#server_url = http://minetest.net
+# Automaticaly report to masterserver
+#server_announce = 0
 # Default game (default when creating a new world)
 #default_game = minetest
 # World directory (everything in the world is stored here)
@ -245,6 +268,21 @@
 # Files that are not present would be fetched the usual way
 #remote_media =

+# Physics stuff
+#movement_acceleration_default = 3
+#movement_acceleration_air = 2
+#movement_acceleration_fast = 10
+#movement_speed_walk = 4
+#movement_speed_crouch = 1.35
+#movement_speed_fast = 20
+#movement_speed_climb = 2
+#movement_speed_jump = 6.5
+#movement_speed_descend = 6
+#movement_liquid_fluidity = 1
+#movement_liquid_fluidity_smooth = 0.5
+#movement_liquid_sink = 10
+#movement_gravity = 9.81
+
 # Mapgen stuff
 #mg_name = v6
 #water_level = 1
--- a/old/changelog.txt
+++ b/old/changelog.txt
@ -1,4 +1,4 @@
-Minetest-c55 changelog
+Minetest changelog
 ----------------------
 This should contain all the major changes.
 For minor stuff, refer to the commit log of the repository.
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@ -5,6 +5,7 @@ cmake_minimum_required( VERSION 2.6 )
 mark_as_advanced(EXECUTABLE_OUTPUT_PATH LIBRARY_OUTPUT_PATH)
 mark_as_advanced(JTHREAD_INCLUDE_DIR JTHREAD_LIBRARY)
 mark_as_advanced(SQLITE3_INCLUDE_DIR SQLITE3_LIBRARY)
+mark_as_advanced(JSON_INCLUDE_DIR JSON_LIBRARY)

 option(ENABLE_CURL "Enable cURL support for fetching media" 1)

@ -93,6 +94,12 @@ if(USE_SOUND)
 		)
 endif()

+option(ENABLE_FREETYPE "Enable freetype2 (truetype fonts and basic unicode support)" OFF)
+set(USE_FREETYPE 0)
+if(ENABLE_FREETYPE)
+	set(USE_FREETYPE 1)
+endif(ENABLE_FREETYPE)
+
 if(NOT MSVC)
 	set(USE_GPROF 0 CACHE BOOL "Use -pg flag for g++")
 endif()
@ -117,6 +124,14 @@ if(WIN32)
 			CACHE FILEPATH "Path to zlibwapi.dll (for installation)")
 	set(IRRLICHT_SOURCE_DIR "${PROJECT_SOURCE_DIR}/../../irrlicht-1.7.2"
 			CACHE PATH "irrlicht dir")
+	if(USE_FREETYPE)
+		set(FREETYPE_INCLUDE_DIR_ft2build "${PROJECT_SOURCE_DIR}/../../freetype2/include/"
+				CACHE PATH "freetype include dir")
+		set(FREETYPE_INCLUDE_DIR_freetype2 "${PROJECT_SOURCE_DIR}/../../freetype2/include/freetype"
+				CACHE PATH "freetype include dir")
+		set(FREETYPE_LIBRARY "${PROJECT_SOURCE_DIR}/../../freetype2/objs/win32/vc2005/freetype247.lib"
+				CACHE FILEPATH "Path to freetype247.lib")
+	endif(USE_FREETYPE)
 	set(MINGWM10_DLL ""
 			CACHE FILEPATH "Path to mingwm10.dll (for installation)")
 	if(ENABLE_SOUND)
@ -156,6 +171,13 @@ endif()

 find_package(Jthread REQUIRED)
 find_package(Sqlite3 REQUIRED)
+find_package(Json REQUIRED)
+
+if(USE_FREETYPE)
+	find_package(Freetype REQUIRED)
+	set(CGUITTFONT_INCLUDE_DIR "${CMAKE_CURRENT_SOURCE_DIR}/cguittfont")
+	set(CGUITTFONT_LIBRARY cguittfont)
+endif(USE_FREETYPE)

 # Do not use system-wide installation of Lua, because it'll likely be a
 # different version and/or has different build options.
@ -187,6 +209,7 @@ set(common_SRCS
 	script.cpp
 	log.cpp
 	content_sao.cpp
+	emerge.cpp
 	mapgen.cpp
 	mapgen_v6.cpp
 	treegen.cpp
@ -222,6 +245,7 @@ set(common_SRCS
 	biome.cpp
 	clientserver.cpp
 	staticobject.cpp
+	serverlist.cpp
 	util/serialize.cpp
 	util/directiontables.cpp
 	util/numeric.cpp
@ -274,6 +298,7 @@ set(minetest_SRCS
 	guiFormSpecMenu.cpp
 	guiPauseMenu.cpp
 	guiPasswordChange.cpp
+	guiVolumeChange.cpp
 	guiDeathScreen.cpp
 	guiChatConsole.cpp
 	guiCreateWorld.cpp
@ -283,11 +308,17 @@ set(minetest_SRCS
 	filecache.cpp
 	tile.cpp
 	shader.cpp
-	serverlist.cpp
 	game.cpp
 	main.cpp
 )

+if(USE_FREETYPE)
+	set(minetest_SRCS
+		${minetest_SRCS}
+		intlGUIEditBox.cpp
+	)
+endif(USE_FREETYPE)
+
 # Server sources
 set(minetestserver_SRCS
 	${common_SRCS}
@ -305,8 +336,22 @@ include_directories(
 	${JTHREAD_INCLUDE_DIR}
 	${SQLITE3_INCLUDE_DIR}
 	${LUA_INCLUDE_DIR}
+	${JSON_INCLUDE_DIR}
 )

+if(USE_FREETYPE)
+	include_directories(
+		${FREETYPE_INCLUDE_DIRS}
+		${CGUITTFONT_INCLUDE_DIR}
+	)
+endif(USE_FREETYPE)
+
+if(USE_CURL)
+	include_directories(
+		${CURL_INCLUDE_DIR}
+	)
+endif(USE_CURL)
+
 set(EXECUTABLE_OUTPUT_PATH "${CMAKE_SOURCE_DIR}/bin")

 if(BUILD_CLIENT)
@ -325,19 +370,23 @@ if(BUILD_CLIENT)
 		${JTHREAD_LIBRARY}
 		${SQLITE3_LIBRARY}
 		${LUA_LIBRARY}
+		${JSON_LIBRARY}
 		${PLATFORM_LIBS}
 		${CLIENT_PLATFORM_LIBS}
 	)
-
 	if(USE_CURL)
 		target_link_libraries(
 			${PROJECT_NAME}
 			${CURL_LIBRARY}
 		)
-		include_directories(
-			${CURL_INCLUDE_DIR}
-		)
 	endif(USE_CURL)
+	if(USE_FREETYPE)
+		target_link_libraries(
+			${PROJECT_NAME}
+			${FREETYPE_LIBRARY}
+			${CGUITTFONT_LIBRARY}
+		)
+	endif(USE_FREETYPE)
 endif(BUILD_CLIENT)

 if(BUILD_SERVER)
@ -347,11 +396,20 @@ if(BUILD_SERVER)
 		${ZLIB_LIBRARIES}
 		${JTHREAD_LIBRARY}
 		${SQLITE3_LIBRARY}
+		${JSON_LIBRARY}
+		${GETTEXT_LIBRARY}
 		${LUA_LIBRARY}
 		${PLATFORM_LIBS}
 	)
+	if(USE_CURL)
+		target_link_libraries(
+			${PROJECT_NAME}server
+			${CURL_LIBRARY}
+		)
+	endif(USE_CURL)
 endif(BUILD_SERVER)

+
 #
 # Set some optimizations and tweaks
 #
@ -518,9 +576,18 @@ else (SQLITE3_FOUND)
 	add_subdirectory(sqlite)
 endif (SQLITE3_FOUND)

+if (BUILD_CLIENT AND USE_FREETYPE)
+	add_subdirectory(cguittfont)
+endif (BUILD_CLIENT AND USE_FREETYPE)
+
 if (LUA_FOUND)
 else (LUA_FOUND)
 	add_subdirectory(lua)
 endif (LUA_FOUND)

+if (JSON_FOUND)
+else (JSON_FOUND)
+	add_subdirectory(json)
+endif (JSON_FOUND)
+
 #end
--- a/src/activeobject.h
+++ b/src/activeobject.h
@ -1,6 +1,6 @@
 /*
-Minetest-c55
-Copyright (C) 2010-2011 celeron55, Perttu Ahola <celeron55@gmail.com>
+Minetest
+Copyright (C) 2010-2013 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
--- a/src/ban.cpp
+++ b/src/ban.cpp
@ -1,6 +1,6 @@
 /*
-Minetest-c55
-Copyright (C) 2011 celeron55, Perttu Ahola <celeron55@gmail.com>
+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
--- a/src/ban.h
+++ b/src/ban.h
@ -1,6 +1,6 @@
 /*
-Minetest-c55
-Copyright (C) 2011 celeron55, Perttu Ahola <celeron55@gmail.com>
+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
--- a/src/base64.h
+++ b/src/base64.h
@ -7,4 +7,4 @@ bool base64_is_valid(std::string const& s);
 std::string base64_encode(unsigned char const* , unsigned int len);
 std::string base64_decode(std::string const& s);

-#endif // BASE64_HEADER
+#endif // BASE64_HEADER
--- a/src/biome.cpp
+++ b/src/biome.cpp
@ -1,6 +1,6 @@
 /*
-Minetest-c55
-Copyright (C) 2010-2011 kwolekr, Ryan Kwolek <kwolekr2@cs.scranton.edu>
+Minetest
+Copyright (C) 2010-2013 kwolekr, Ryan Kwolek <kwolekr2@cs.scranton.edu>

 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
--- a/src/biome.h
+++ b/src/biome.h
@ -1,6 +1,6 @@
 /*
-Minetest-c55
-Copyright (C) 2010-2011 kwolekr, Ryan Kwolek <kwolekr2@cs.scranton.edu>
+Minetest
+Copyright (C) 2010-2013 kwolekr, Ryan Kwolek <kwolekr2@cs.scranton.edu>

 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
--- a/src/camera.cpp
+++ b/src/camera.cpp
@ -1,6 +1,6 @@
 /*
-Minetest-c55
-Copyright (C) 2010-2011 celeron55, Perttu Ahola <celeron55@gmail.com>
+Minetest
+Copyright (C) 2010-2013 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
--- a/src/camera.h
+++ b/src/camera.h
@ -1,6 +1,6 @@
 /*
-Minetest-c55
-Copyright (C) 2010-2011 celeron55, Perttu Ahola <celeron55@gmail.com>
+Minetest
+Copyright (C) 2010-2013 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
--- a/src/cguittfont/CGUITTFont.cpp
+++ b/src/cguittfont/CGUITTFont.cpp
--- a/src/cguittfont/CGUITTFont.h
+++ b/src/cguittfont/CGUITTFont.h
@ -0,0 +1,377 @@
+/*
+   CGUITTFont FreeType class for Irrlicht
+   Copyright (c) 2009-2010 John Norman
+
+   This software is provided 'as-is', without any express or implied
+   warranty. In no event will the authors be held liable for any
+   damages arising from the use of this software.
+
+   Permission is granted to anyone to use this software for any
+   purpose, including commercial applications, and to alter it and
+   redistribute it freely, subject to the following restrictions:
+
+   1. The origin of this software must not be misrepresented; you
+      must not claim that you wrote the original software. If you use
+      this software in a product, an acknowledgment in the product
+      documentation would be appreciated but is not required.
+
+   2. Altered source versions must be plainly marked as such, and
+      must not be misrepresented as being the original software.
+
+   3. This notice may not be removed or altered from any source
+      distribution.
+
+   The original version of this class can be located at:
+   http://irrlicht.suckerfreegames.com/
+
+   John Norman
+   john@suckerfreegames.com
+*/
+
+#ifndef __C_GUI_TTFONT_H_INCLUDED__
+#define __C_GUI_TTFONT_H_INCLUDED__
+
+#include <irrlicht.h>
+#include <ft2build.h>
+#include FT_FREETYPE_H
+
+namespace irr
+{
+namespace gui
+{
+	struct SGUITTFace;
+	class CGUITTFont;
+
+	//! Class to assist in deleting glyphs.
+	class CGUITTAssistDelete
+	{
+		public:
+			template <class T, typename TAlloc>
+			static void Delete(core::array<T, TAlloc>& a)
+			{
+				TAlloc allocator;
+				allocator.deallocate(a.pointer());
+			}
+	};
+
+	//! Structure representing a single TrueType glyph.
+	struct SGUITTGlyph
+	{
+		//! Constructor.
+		SGUITTGlyph() : isLoaded(false), glyph_page(0), surface(0), parent(0) {}
+
+		//! Destructor.
+		~SGUITTGlyph() { unload(); }
+
+		//! Preload the glyph.
+		//!	The preload process occurs when the program tries to cache the glyph from FT_Library.
+		//! However, it simply defines the SGUITTGlyph's properties and will only create the page
+		//! textures if necessary.  The actual creation of the textures should only occur right
+		//! before the batch draw call.
+		void preload(u32 char_index, FT_Face face, video::IVideoDriver* driver, u32 font_size, const FT_Int32 loadFlags);
+
+		//! Unloads the glyph.
+		void unload();
+
+		//! Creates the IImage object from the FT_Bitmap.
+		video::IImage* createGlyphImage(const FT_Bitmap& bits, video::IVideoDriver* driver) const;
+
+		//! If true, the glyph has been loaded.
+		bool isLoaded;
+
+		//! The page the glyph is on.
+		u32 glyph_page;
+
+		//! The source rectangle for the glyph.
+		core::recti source_rect;
+
+		//! The offset of glyph when drawn.
+		core::vector2di offset;
+
+		//! Glyph advance information.
+		FT_Vector advance;
+
+		//! This is just the temporary image holder.  After this glyph is paged,
+		//! it will be dropped.
+		mutable video::IImage* surface;
+
+		//! The pointer pointing to the parent (CGUITTFont)
+		CGUITTFont* parent;
+	};
+
+	//! Holds a sheet of glyphs.
+	class CGUITTGlyphPage
+	{
+		public:
+			CGUITTGlyphPage(video::IVideoDriver* Driver, const io::path& texture_name) :texture(0), available_slots(0), used_slots(0), dirty(false), driver(Driver), name(texture_name) {}
+			~CGUITTGlyphPage()
+			{
+				if (texture)
+				{
+					if (driver)
+						driver->removeTexture(texture);
+					else texture->drop();
+				}
+			}
+
+			//! Create the actual page texture,
+			bool createPageTexture(const u8& pixel_mode, const core::dimension2du& texture_size)
+			{
+				if( texture )
+					return false;
+
+				bool flgmip = driver->getTextureCreationFlag(video::ETCF_CREATE_MIP_MAPS);
+				driver->setTextureCreationFlag(video::ETCF_CREATE_MIP_MAPS, false);
+
+				// Set the texture color format.
+				switch (pixel_mode)
+				{
+					case FT_PIXEL_MODE_MONO:
+						texture = driver->addTexture(texture_size, name, video::ECF_A1R5G5B5);
+						break;
+					case FT_PIXEL_MODE_GRAY:
+					default:
+						texture = driver->addTexture(texture_size, name, video::ECF_A8R8G8B8);
+						break;
+				}
+
+				// Restore our texture creation flags.
+				driver->setTextureCreationFlag(video::ETCF_CREATE_MIP_MAPS, flgmip);
+				return texture ? true : false;
+			}
+
+			//! Add the glyph to a list of glyphs to be paged.
+			//! This collection will be cleared after updateTexture is called.
+			void pushGlyphToBePaged(const SGUITTGlyph* glyph)
+			{
+				glyph_to_be_paged.push_back(glyph);
+			}
+
+			//! Updates the texture atlas with new glyphs.
+			void updateTexture()
+			{
+				if (!dirty) return;
+
+				void* ptr = texture->lock();
+				video::ECOLOR_FORMAT format = texture->getColorFormat();
+				core::dimension2du size = texture->getOriginalSize();
+				video::IImage* pageholder = driver->createImageFromData(format, size, ptr, true, false);
+
+				for (u32 i = 0; i < glyph_to_be_paged.size(); ++i)
+				{
+					const SGUITTGlyph* glyph = glyph_to_be_paged[i];
+					if (glyph && glyph->isLoaded)
+					{
+						if (glyph->surface)
+						{
+							glyph->surface->copyTo(pageholder, glyph->source_rect.UpperLeftCorner);
+							glyph->surface->drop();
+							glyph->surface = 0;
+						}
+						else
+						{
+							; // TODO: add error message?
+							//currently, if we failed to create the image, just ignore this operation.
+						}
+					}
+				}
+
+				pageholder->drop();
+				texture->unlock();
+				glyph_to_be_paged.clear();
+				dirty = false;
+			}
+
+			video::ITexture* texture;
+			u32 available_slots;
+			u32 used_slots;
+			bool dirty;
+
+			core::array<core::vector2di> render_positions;
+			core::array<core::recti> render_source_rects;
+
+		private:
+			core::array<const SGUITTGlyph*> glyph_to_be_paged;
+			video::IVideoDriver* driver;
+			io::path name;
+	};
+
+	//! Class representing a TrueType font.
+	class CGUITTFont : public IGUIFont
+	{
+		public:
+			//! Creates a new TrueType font and returns a pointer to it.  The pointer must be drop()'ed when finished.
+			//! \param env The IGUIEnvironment the font loads out of.
+			//! \param filename The filename of the font.
+			//! \param size The size of the font glyphs in pixels.  Since this is the size of the individual glyphs, the true height of the font may change depending on the characters used.
+			//! \param antialias set the use_monochrome (opposite to antialias) flag
+			//! \param transparency set the use_transparency flag
+			//! \return Returns a pointer to a CGUITTFont.  Will return 0 if the font failed to load.
+			static CGUITTFont* createTTFont(IGUIEnvironment *env, const io::path& filename, const u32 size, const bool antialias = true, const bool transparency = true);
+			static CGUITTFont* createTTFont(IrrlichtDevice *device, const io::path& filename, const u32 size, const bool antialias = true, const bool transparency = true);
+			static CGUITTFont* create(IGUIEnvironment *env, const io::path& filename, const u32 size, const bool antialias = true, const bool transparency = true);
+			static CGUITTFont* create(IrrlichtDevice *device, const io::path& filename, const u32 size, const bool antialias = true, const bool transparency = true);
+
+			//! Destructor
+			virtual ~CGUITTFont();
+
+			//! Sets the amount of glyphs to batch load.
+			virtual void setBatchLoadSize(u32 batch_size) { batch_load_size = batch_size; }
+
+			//! Sets the maximum texture size for a page of glyphs.
+			virtual void setMaxPageTextureSize(const core::dimension2du& texture_size) { max_page_texture_size = texture_size; }
+
+			//! Get the font size.
+			virtual u32 getFontSize() const { return size; }
+
+			//! Check the font's transparency.
+			virtual bool isTransparent() const { return use_transparency; }
+
+			//! Check if the font auto-hinting is enabled.
+			//! Auto-hinting is FreeType's built-in font hinting engine.
+			virtual bool useAutoHinting() const { return use_auto_hinting; }
+
+			//! Check if the font hinting is enabled.
+			virtual bool useHinting()	 const { return use_hinting; }
+
+			//! Check if the font is being loaded as a monochrome font.
+			//! The font can either be a 256 color grayscale font, or a 2 color monochrome font.
+			virtual bool useMonochrome()  const { return use_monochrome; }
+
+			//! Tells the font to allow transparency when rendering.
+			//! Default: true.
+			//! \param flag If true, the font draws using transparency.
+			virtual void setTransparency(const bool flag);
+
+			//! Tells the font to use monochrome rendering.
+			//! Default: false.
+			//! \param flag If true, the font draws using a monochrome image.  If false, the font uses a grayscale image.
+			virtual void setMonochrome(const bool flag);
+
+			//! Enables or disables font hinting.
+			//! Default: Hinting and auto-hinting true.
+			//! \param enable If false, font hinting is turned off. If true, font hinting is turned on.
+			//! \param enable_auto_hinting If true, FreeType uses its own auto-hinting algorithm.  If false, it tries to use the algorithm specified by the font.
+			virtual void setFontHinting(const bool enable, const bool enable_auto_hinting = true);
+
+			//! Draws some text and clips it to the specified rectangle if wanted.
+			virtual void draw(const core::stringw& text, const core::rect<s32>& position,
+				video::SColor color, bool hcenter=false, bool vcenter=false,
+				const core::rect<s32>* clip=0);
+
+			//! Returns the dimension of a character produced by this font.
+			virtual core::dimension2d<u32> getCharDimension(const wchar_t ch) const;
+
+			//! Returns the dimension of a text string.
+			virtual core::dimension2d<u32> getDimension(const wchar_t* text) const;
+			virtual core::dimension2d<u32> getDimension(const core::ustring& text) const;
+
+			//! Calculates the index of the character in the text which is on a specific position.
+			virtual s32 getCharacterFromPos(const wchar_t* text, s32 pixel_x) const;
+			virtual s32 getCharacterFromPos(const core::ustring& text, s32 pixel_x) const;
+
+			//! Sets global kerning width for the font.
+			virtual void setKerningWidth(s32 kerning);
+
+			//! Sets global kerning height for the font.
+			virtual void setKerningHeight(s32 kerning);
+
+			//! Gets kerning values (distance between letters) for the font. If no parameters are provided,
+			virtual s32 getKerningWidth(const wchar_t* thisLetter=0, const wchar_t* previousLetter=0) const;
+			virtual s32 getKerningWidth(const uchar32_t thisLetter=0, const uchar32_t previousLetter=0) const;
+
+			//! Returns the distance between letters
+			virtual s32 getKerningHeight() const;
+
+			//! Define which characters should not be drawn by the font.
+			virtual void setInvisibleCharacters(const wchar_t *s);
+			virtual void setInvisibleCharacters(const core::ustring& s);
+
+			//! Get the last glyph page if there's still available slots.
+			//! If not, it will return zero.
+			CGUITTGlyphPage* getLastGlyphPage() const;
+
+			//! Create a new glyph page texture.
+			//! \param pixel_mode the pixel mode defined by FT_Pixel_Mode
+			//should be better typed. fix later.
+			CGUITTGlyphPage* createGlyphPage(const u8& pixel_mode);
+
+			//! Get the last glyph page's index.
+			u32 getLastGlyphPageIndex() const { return Glyph_Pages.size() - 1; }
+
+			//! Create corresponding character's software image copy from the font,
+			//! so you can use this data just like any ordinary video::IImage.
+			//! \param ch The character you need
+			virtual video::IImage* createTextureFromChar(const uchar32_t& ch);
+
+			//! This function is for debugging mostly. If the page doesn't exist it returns zero.
+			//! \param page_index Simply return the texture handle of a given page index.
+			virtual video::ITexture* getPageTextureByIndex(const u32& page_index) const;
+
+			//! Add a list of scene nodes generated by putting font textures on the 3D planes.
+			virtual core::array<scene::ISceneNode*> addTextSceneNode
+				(const wchar_t* text, scene::ISceneManager* smgr, scene::ISceneNode* parent = 0,
+				 const video::SColor& color = video::SColor(255, 0, 0, 0), bool center = false );
+
+		protected:
+			bool use_monochrome;
+			bool use_transparency;
+			bool use_hinting;
+			bool use_auto_hinting;
+			u32 size;
+			u32 batch_load_size;
+			core::dimension2du max_page_texture_size;
+
+		private:
+			// Manages the FreeType library.
+			static FT_Library c_library;
+			static core::map<io::path, SGUITTFace*> c_faces;
+			static bool c_libraryLoaded;
+			static scene::IMesh* shared_plane_ptr_;
+			static scene::SMesh  shared_plane_;
+
+			CGUITTFont(IGUIEnvironment *env);
+			bool load(const io::path& filename, const u32 size, const bool antialias, const bool transparency);
+			void reset_images();
+			void update_glyph_pages() const;
+			void update_load_flags()
+			{
+				// Set up our loading flags.
+				load_flags = FT_LOAD_DEFAULT | FT_LOAD_RENDER;
+				if (!useHinting()) load_flags |= FT_LOAD_NO_HINTING;
+				if (!useAutoHinting()) load_flags |= FT_LOAD_NO_AUTOHINT;
+				if (useMonochrome()) load_flags |= FT_LOAD_MONOCHROME | FT_LOAD_TARGET_MONO | FT_RENDER_MODE_MONO;
+				else load_flags |= FT_LOAD_TARGET_NORMAL;
+			}
+			u32 getWidthFromCharacter(wchar_t c) const;
+			u32 getWidthFromCharacter(uchar32_t c) const;
+			u32 getHeightFromCharacter(wchar_t c) const;
+			u32 getHeightFromCharacter(uchar32_t c) const;
+			u32 getGlyphIndexByChar(wchar_t c) const;
+			u32 getGlyphIndexByChar(uchar32_t c) const;
+			core::vector2di getKerning(const wchar_t thisLetter, const wchar_t previousLetter) const;
+			core::vector2di getKerning(const uchar32_t thisLetter, const uchar32_t previousLetter) const;
+			core::dimension2d<u32> getDimensionUntilEndOfLine(const wchar_t* p) const;
+
+			void createSharedPlane();
+
+			irr::IrrlichtDevice* Device;
+			gui::IGUIEnvironment* Environment;
+			video::IVideoDriver* Driver;
+			io::path filename;
+			FT_Face tt_face;
+			FT_Size_Metrics font_metrics;
+			FT_Int32 load_flags;
+
+			mutable core::array<CGUITTGlyphPage*> Glyph_Pages;
+			mutable core::array<SGUITTGlyph> Glyphs;
+
+			s32 GlobalKerningWidth;
+			s32 GlobalKerningHeight;
+			core::ustring Invisible;
+	};
+
+} // end namespace gui
+} // end namespace irr
+
+#endif // __C_GUI_TTFONT_H_INCLUDED__
--- a/src/cguittfont/CMakeLists.txt
+++ b/src/cguittfont/CMakeLists.txt
@ -0,0 +1,17 @@
+include_directories(
+  ${IRRLICHT_INCLUDE_DIR}
+  ${FREETYPE_INCLUDE_DIRS}
+)
+
+# CGUITTFont authors, y u no include headers you use?
+#   Do not add CGUITTFont.cpp to the line below.
+#   xCGUITTFont.cpp is a wrapper file that includes
+#   additional required headers.
+add_library(cguittfont xCGUITTFont.cpp)
+
+target_link_libraries(
+  cguittfont
+  ${IRRLICHT_LIBRARY}
+  ${FREETYPE_LIBRARY}
+  ${ZLIB_LIBRARIES}  # needed by freetype, repeated here for safety
+)
--- a/src/cguittfont/irrUString.h
+++ b/src/cguittfont/irrUString.h
--- a/src/cguittfont/xCGUITTFont.cpp
+++ b/src/cguittfont/xCGUITTFont.cpp
@ -0,0 +1,5 @@
+// A wrapper source file to avoid hack with gcc and modifying
+// the CGUITTFont files.
+
+#include "xCGUITTFont.h"
+#include "CGUITTFont.cpp"
--- a/src/cguittfont/xCGUITTFont.h
+++ b/src/cguittfont/xCGUITTFont.h
@ -0,0 +1,7 @@
+// A wrapper header to avoid hack with gcc and modifying
+// the CGUITTFont files.
+
+#include <algorithm>
+#include <stddef.h>
+#include "irrUString.h"
+#include "CGUITTFont.h"
--- a/src/chat.cpp
+++ b/src/chat.cpp
@ -1,6 +1,6 @@
 /*
-Minetest-c55
-Copyright (C) 2011 celeron55, Perttu Ahola <celeron55@gmail.com>
+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
--- a/src/chat.h
+++ b/src/chat.h
@ -1,6 +1,6 @@
 /*
-Minetest-c55
-Copyright (C) 2011 celeron55, Perttu Ahola <celeron55@gmail.com>
+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
--- a/src/client.cpp
+++ b/src/client.cpp
@ -1,6 +1,6 @@
 /*
-Minetest-c55
-Copyright (C) 2010 celeron55, Perttu Ahola <celeron55@gmail.com>
+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
@ -1514,6 +1514,26 @@ void Client::ProcessData(u8 *data, u32 datasize, u16 sender_peer_id)
 			}
 		}
 	}
+	else if(command == TOCLIENT_MOVEMENT)
+	{
+		std::string datastring((char*)&data[2], datasize-2);
+		std::istringstream is(datastring, std::ios_base::binary);
+		Player *player = m_env.getLocalPlayer();
+		assert(player != NULL);
+
+		player->movement_acceleration_default = readF1000(is) * BS;
+		player->movement_acceleration_air = readF1000(is) * BS;
+		player->movement_acceleration_fast = readF1000(is) * BS;
+		player->movement_speed_walk = readF1000(is) * BS;
+		player->movement_speed_crouch = readF1000(is) * BS;
+		player->movement_speed_fast = readF1000(is) * BS;
+		player->movement_speed_climb = readF1000(is) * BS;
+		player->movement_speed_jump = readF1000(is) * BS;
+		player->movement_liquid_fluidity = readF1000(is) * BS;
+		player->movement_liquid_fluidity_smooth = readF1000(is) * BS;
+		player->movement_liquid_sink = readF1000(is) * BS;
+		player->movement_gravity = readF1000(is) * BS;
+	}
 	else if(command == TOCLIENT_HP)
 	{
 		std::string datastring((char*)&data[2], datasize-2);
--- a/src/client.h
+++ b/src/client.h
@ -1,6 +1,6 @@
 /*
-Minetest-c55
-Copyright (C) 2010 celeron55, Perttu Ahola <celeron55@gmail.com>
+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
--- a/src/clientmap.cpp
+++ b/src/clientmap.cpp
@ -1,6 +1,6 @@
 /*
-Minetest-c55
-Copyright (C) 2010-2012 celeron55, Perttu Ahola <celeron55@gmail.com>
+Minetest
+Copyright (C) 2010-2013 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
@ -864,7 +864,7 @@ void ClientMap::renderPostFx()
 	// - If the player is in liquid, draw a semi-transparent overlay.
 	const ContentFeatures& features = nodemgr->get(n);
 	video::SColor post_effect_color = features.post_effect_color;
-	if(features.solidness == 2 && g_settings->getBool("free_move") == false)
+	if(features.solidness == 2 && !(g_settings->getBool("noclip") && m_gamedef->checkLocalPrivilege("noclip")))
 	{
 		post_effect_color = video::SColor(255, 0, 0, 0);
 	}
--- a/src/clientmap.h
+++ b/src/clientmap.h
@ -1,6 +1,6 @@
 /*
-Minetest-c55
-Copyright (C) 2010-2012 celeron55, Perttu Ahola <celeron55@gmail.com>
+Minetest
+Copyright (C) 2010-2013 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
--- a/src/clientobject.cpp
+++ b/src/clientobject.cpp
@ -1,6 +1,6 @@
 /*
-Minetest-c55
-Copyright (C) 2010-2011 celeron55, Perttu Ahola <celeron55@gmail.com>
+Minetest
+Copyright (C) 2010-2013 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
--- a/src/clientobject.h
+++ b/src/clientobject.h
@ -1,6 +1,6 @@
 /*
-Minetest-c55
-Copyright (C) 2010-2011 celeron55, Perttu Ahola <celeron55@gmail.com>
+Minetest
+Copyright (C) 2010-2013 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
--- a/src/clientserver.cpp
+++ b/src/clientserver.cpp
@ -1,6 +1,6 @@
 /*
-Minetest-c55
-Copyright (C) 2010-2012 celeron55, Perttu Ahola <celeron55@gmail.com>
+Minetest
+Copyright (C) 2010-2013 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
--- a/src/clientserver.h
+++ b/src/clientserver.h
@ -1,6 +1,6 @@
 /*
-Minetest-c55
-Copyright (C) 2010-2012 celeron55, Perttu Ahola <celeron55@gmail.com>
+Minetest
+Copyright (C) 2010-2013 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
@ -364,6 +364,23 @@ enum ToClientCommand
 		u16 len
 		u8[len] formname
 	*/
+
+	TOCLIENT_MOVEMENT = 0x45,
+	/*
+		u16 command
+		f1000 movement_acceleration_default
+		f1000 movement_acceleration_air
+		f1000 movement_acceleration_fast
+		f1000 movement_speed_walk
+		f1000 movement_speed_crouch
+		f1000 movement_speed_fast
+		f1000 movement_speed_climb
+		f1000 movement_speed_jump
+		f1000 movement_liquid_fluidity
+		f1000 movement_liquid_fluidity_smooth
+		f1000 movement_liquid_sink
+		f1000 movement_gravity
+	*/
 };

 enum ToServerCommand
--- a/src/clientsimpleobject.h
+++ b/src/clientsimpleobject.h
@ -1,6 +1,6 @@
 /*
-Minetest-c55
-Copyright (C) 2012 celeron55, Perttu Ahola <celeron55@gmail.com>
+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
--- a/src/clouds.cpp
+++ b/src/clouds.cpp
@ -1,6 +1,6 @@
 /*
-Minetest-c55
-Copyright (C) 2010-2011 celeron55, Perttu Ahola <celeron55@gmail.com>
+Minetest
+Copyright (C) 2010-2013 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
--- a/src/clouds.h
+++ b/src/clouds.h
@ -1,6 +1,6 @@
 /*
-Minetest-c55
-Copyright (C) 2010-2011 celeron55, Perttu Ahola <celeron55@gmail.com>
+Minetest
+Copyright (C) 2010-2013 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
--- a/src/cmake_config.h.in
+++ b/src/cmake_config.h.in
@ -9,6 +9,7 @@
 #define CMAKE_USE_GETTEXT @USE_GETTEXT@
 #define CMAKE_USE_CURL @USE_CURL@
 #define CMAKE_USE_SOUND @USE_SOUND@
+#define CMAKE_USE_FREETYPE @USE_FREETYPE@
 #define CMAKE_STATIC_SHAREDIR "@SHAREDIR@"

 #ifdef NDEBUG
--- a/src/collision.cpp
+++ b/src/collision.cpp
@ -1,6 +1,6 @@
 /*
-Minetest-c55
-Copyright (C) 2010 celeron55, Perttu Ahola <celeron55@gmail.com>
+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
@ -199,6 +199,10 @@ collisionMoveResult collisionMoveSimple(Map *map, IGameDef *gamedef,
 	/*
 		Calculate new velocity
 	*/
+	if( dtime > 0.5 ) {
+		infostream<<"collisionMoveSimple: WARNING: maximum step interval exceeded, lost movement details!"<<std::endl;
+		dtime = 0.5;
+	}
 	speed_f += accel_f * dtime;

    // If there is no speed, there are no collisions
--- a/src/collision.h
+++ b/src/collision.h
@ -1,6 +1,6 @@
 /*
-Minetest-c55
-Copyright (C) 2010 celeron55, Perttu Ahola <celeron55@gmail.com>
+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
--- a/src/config.h
+++ b/src/config.h
@ -12,6 +12,7 @@
 #define USE_GETTEXT 0
 #define USE_SOUND 0
 #define USE_CURL 0
+#define USE_FREETYPE 0
 #define STATIC_SHAREDIR ""
 #define BUILD_INFO "non-cmake"

@ -29,6 +30,8 @@
 	#define USE_SOUND CMAKE_USE_SOUND
 	#undef USE_CURL
 	#define USE_CURL CMAKE_USE_CURL
+	#undef USE_FREETYPE
+	#define USE_FREETYPE CMAKE_USE_FREETYPE
 	#undef STATIC_SHAREDIR
 	#define STATIC_SHAREDIR CMAKE_STATIC_SHAREDIR
 	#undef BUILD_INFO
--- a/src/connection.cpp
+++ b/src/connection.cpp
@ -1,6 +1,6 @@
 /*
-Minetest-c55
-Copyright (C) 2010 celeron55, Perttu Ahola <celeron55@gmail.com>
+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
--- a/src/connection.h
+++ b/src/connection.h
@ -1,6 +1,6 @@
 /*
-Minetest-c55
-Copyright (C) 2010 celeron55, Perttu Ahola <celeron55@gmail.com>
+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
--- a/src/constants.h
+++ b/src/constants.h
@ -1,6 +1,6 @@
 /*
-Minetest-c55
-Copyright (C) 2010 celeron55, Perttu Ahola <celeron55@gmail.com>
+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
--- a/src/content_abm.cpp
+++ b/src/content_abm.cpp
@ -1,6 +1,6 @@
 /*
-Minetest-c55
-Copyright (C) 2011 celeron55, Perttu Ahola <celeron55@gmail.com>
+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
@ -26,6 +26,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 #include "settings.h"
 #include "mapblock.h" // For getNodeBlockPos
 #include "treegen.h" // For treegen::make_tree
+#include "main.h" // for g_settings
 #include "map.h"

 #define PP(x) "("<<(x).X<<","<<(x).Y<<","<<(x).Z<<")"
@ -80,7 +81,8 @@ public:
 		ServerMap *map = &env->getServerMap();
 		
 		MapNode n_top = map->getNodeNoEx(p+v3s16(0,1,0));
-		if(!ndef->get(n_top).light_propagates ||
+		if((!ndef->get(n_top).light_propagates &&
+				n_top.getContent() != CONTENT_IGNORE) ||
 				ndef->get(n_top).isLiquid())
 		{
 			n.setContent(ndef->getId("mapgen_dirt"));
@ -118,7 +120,7 @@ public:
 		v3s16 tree_blockp = getNodeBlockPos(tree_p);
 		vmanip.initialEmerge(tree_blockp - v3s16(1,1,1), tree_blockp + v3s16(1,1,1));
 		bool is_apple_tree = myrand()%4 == 0;
-		treegen::make_tree(vmanip, tree_p, is_apple_tree, ndef);
+		treegen::make_tree(vmanip, tree_p, is_apple_tree, ndef, myrand());
 		vmanip.blitBackAll(&modified_blocks);

 		// update lighting
@ -145,11 +147,42 @@ public:
 	}
 };

+class LiquidFlowABM : public ActiveBlockModifier
+{
+private:
+	std::set<std::string> contents;
+
+public:
+	LiquidFlowABM(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_flowing);
+		
+	}
+	virtual std::set<std::string> getTriggerContents()
+	{
+		return contents;
+	}
+	virtual float getTriggerInterval()
+	{ return 10.0; }
+	virtual u32 getTriggerChance()
+	{ return 10; }
+	virtual void trigger(ServerEnvironment *env, v3s16 p, MapNode n)
+	{
+		ServerMap *map = &env->getServerMap();
+		if (map->transforming_liquid_size() < 500)
+			map->transforming_liquid_add(p);
+		//if ((*map).m_transforming_liquid.size() < 500) (*map).m_transforming_liquid.push_back(p);
+	}
+};
+
 void add_legacy_abms(ServerEnvironment *env, INodeDefManager *nodedef)
 {
 	env->addActiveBlockModifier(new GrowGrassABM());
 	env->addActiveBlockModifier(new RemoveGrassABM());
 	env->addActiveBlockModifier(new MakeTreesFromSaplingsABM());
+	if (g_settings->getBool("liquid_finite"))
+		env->addActiveBlockModifier(new LiquidFlowABM(env, nodedef));
 }
-
-
--- a/src/content_abm.h
+++ b/src/content_abm.h
@ -1,6 +1,6 @@
 /*
-Minetest-c55
-Copyright (C) 2011 celeron55, Perttu Ahola <celeron55@gmail.com>
+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
--- a/src/content_cao.cpp
+++ b/src/content_cao.cpp
@ -1,6 +1,6 @@
 /*
-Minetest-c55
-Copyright (C) 2010-2011 celeron55, Perttu Ahola <celeron55@gmail.com>
+Minetest
+Copyright (C) 2010-2013 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
--- a/src/content_cao.h
+++ b/src/content_cao.h
@ -1,6 +1,6 @@
 /*
-Minetest-c55
-Copyright (C) 2010-2011 celeron55, Perttu Ahola <celeron55@gmail.com>
+Minetest
+Copyright (C) 2010-2013 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
--- a/src/content_cso.cpp
+++ b/src/content_cso.cpp
@ -1,6 +1,6 @@
 /*
-Minetest-c55
-Copyright (C) 2012 celeron55, Perttu Ahola <celeron55@gmail.com>
+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
@ -25,6 +25,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 #include "log.h"
 #include "map.h"

+/*
 static void setBillboardTextureMatrix(scene::IBillboardSceneNode *bill,
 		float txs, float tys, int col, int row)
 {
@ -33,6 +34,7 @@ static void setBillboardTextureMatrix(scene::IBillboardSceneNode *bill,
 	matrix.setTextureTranslate(txs*col, tys*row);
 	matrix.setTextureScale(txs, tys);
 }
+*/

 class SmokePuffCSO: public ClientSimpleObject
 {
--- a/src/content_cso.h
+++ b/src/content_cso.h
@ -1,6 +1,6 @@
 /*
-Minetest-c55
-Copyright (C) 2012 celeron55, Perttu Ahola <celeron55@gmail.com>
+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
--- a/src/content_mapblock.cpp
+++ b/src/content_mapblock.cpp
@ -1,6 +1,6 @@
 /*
-Minetest-c55
-Copyright (C) 2010-2011 celeron55, Perttu Ahola <celeron55@gmail.com>
+Minetest
+Copyright (C) 2010-2013 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
@ -261,7 +261,7 @@ void mapblock_mesh_generate_special(MeshMakeData *data,
 						level = (-0.5+node_liquid_level) * BS;
 					else if(n2.getContent() == c_flowing)
 						level = (-0.5 + ((float)(n2.param2&LIQUID_LEVEL_MASK)
-								+ 0.5) / 8.0 * node_liquid_level) * BS;
+								+ 0.5) / (float)LIQUID_LEVEL_SOURCE * node_liquid_level) * BS;

 					// Check node above neighbor.
 					// NOTE: This doesn't get executed if neighbor
@ -324,7 +324,7 @@ void mapblock_mesh_generate_special(MeshMakeData *data,
 					}
 				}
 				if(air_count >= 2)
-					cornerlevel = -0.5*BS;
+					cornerlevel = -0.5*BS+0.1;
 				else if(valid_count > 0)
 					cornerlevel /= valid_count;
 				corner_levels[i] = cornerlevel;
@ -733,7 +733,7 @@ void mapblock_mesh_generate_special(MeshMakeData *data,
 			u16 l = getInteriorLight(n, 1, data);
 			video::SColor c = MapBlock_LightColor(255, l, decode_light(f.light_source));

-			for(u32 j=0; j<4; j++)
+			for(u32 j=0; j<2; j++)
 			{
 				video::S3DVertex vertices[4] =
 				{
@ -759,16 +759,6 @@ void mapblock_mesh_generate_special(MeshMakeData *data,
 					for(u16 i=0; i<4; i++)
 						vertices[i].Pos.rotateXZBy(-45);
 				}
-				else if(j == 2)
-				{
-					for(u16 i=0; i<4; i++)
-						vertices[i].Pos.rotateXZBy(135);
-				}
-				else if(j == 3)
-				{
-					for(u16 i=0; i<4; i++)
-						vertices[i].Pos.rotateXZBy(-135);
-				}

 				for(u16 i=0; i<4; i++)
 				{
--- a/src/content_mapblock.h
+++ b/src/content_mapblock.h
@ -1,6 +1,6 @@
 /*
-Minetest-c55
-Copyright (C) 2010-2011 celeron55, Perttu Ahola <celeron55@gmail.com>
+Minetest
+Copyright (C) 2010-2013 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
--- a/src/content_mapnode.cpp
+++ b/src/content_mapnode.cpp
@ -1,6 +1,6 @@
 /*
-Minetest-c55
-Copyright (C) 2010-2011 celeron55, Perttu Ahola <celeron55@gmail.com>
+Minetest
+Copyright (C) 2010-2013 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
--- a/src/content_mapnode.h
+++ b/src/content_mapnode.h
@ -1,6 +1,6 @@
 /*
-Minetest-c55
-Copyright (C) 2010-2011 celeron55, Perttu Ahola <celeron55@gmail.com>
+Minetest
+Copyright (C) 2010-2013 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
--- a/src/content_nodemeta.cpp
+++ b/src/content_nodemeta.cpp
@ -1,6 +1,6 @@
 /*
-Minetest-c55
-Copyright (C) 2010-2012 celeron55, Perttu Ahola <celeron55@gmail.com>
+Minetest
+Copyright (C) 2010-2013 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
--- a/src/content_nodemeta.h
+++ b/src/content_nodemeta.h
@ -1,6 +1,6 @@
 /*
-Minetest-c55
-Copyright (C) 2010-2011 celeron55, Perttu Ahola <celeron55@gmail.com>
+Minetest
+Copyright (C) 2010-2013 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
--- a/src/content_object.h
+++ b/src/content_object.h
@ -1,6 +1,6 @@
 /*
-Minetest-c55
-Copyright (C) 2010-2011 celeron55, Perttu Ahola <celeron55@gmail.com>
+Minetest
+Copyright (C) 2010-2013 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
--- a/src/content_sao.cpp
+++ b/src/content_sao.cpp
@ -1,6 +1,6 @@
 /*
-Minetest-c55
-Copyright (C) 2010-2011 celeron55, Perttu Ahola <celeron55@gmail.com>
+Minetest
+Copyright (C) 2010-2013 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
--- a/src/content_sao.h
+++ b/src/content_sao.h
@ -1,6 +1,6 @@
 /*
-Minetest-c55
-Copyright (C) 2010-2011 celeron55, Perttu Ahola <celeron55@gmail.com>
+Minetest
+Copyright (C) 2010-2013 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
--- a/src/craftdef.cpp
+++ b/src/craftdef.cpp
@ -1,6 +1,6 @@
 /*
-Minetest-c55
-Copyright (C) 2011 celeron55, Perttu Ahola <celeron55@gmail.com>
+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
--- a/src/craftdef.h
+++ b/src/craftdef.h
@ -1,6 +1,6 @@
 /*
-Minetest-c55
-Copyright (C) 2011 celeron55, Perttu Ahola <celeron55@gmail.com>
+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
--- a/src/daynightratio.h
+++ b/src/daynightratio.h
@ -1,6 +1,6 @@
 /*
-Minetest-c55
-Copyright (C) 2010-2012 celeron55, Perttu Ahola <celeron55@gmail.com>
+Minetest
+Copyright (C) 2010-2013 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
--- a/src/debug.cpp
+++ b/src/debug.cpp
@ -1,6 +1,6 @@
 /*
-Minetest-c55
-Copyright (C) 2010 celeron55, Perttu Ahola <celeron55@gmail.com>
+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
--- a/src/debug.h
+++ b/src/debug.h
@ -1,6 +1,6 @@
 /*
-Minetest-c55
-Copyright (C) 2010 celeron55, Perttu Ahola <celeron55@gmail.com>
+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
@ -32,6 +32,9 @@ with this program; if not, write to the Free Software Foundation, Inc.,

 #ifdef _WIN32
 	#define WIN32_LEAN_AND_MEAN
+	#ifndef _WIN32_WINNT
+		#define _WIN32_WINNT 0x0500
+	#endif
 	#include <windows.h>
 	#ifdef _MSC_VER
 		#include <eh.h>
--- a/src/defaultsettings.cpp
+++ b/src/defaultsettings.cpp
@ -1,6 +1,6 @@
 /*
-Minetest-c55
-Copyright (C) 2010 celeron55, Perttu Ahola <celeron55@gmail.com>
+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
@ -18,6 +18,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 */

 #include "settings.h"
+#include "filesys.h"

 void set_default_settings(Settings *settings)
 {
@ -129,8 +130,18 @@ void set_default_settings(Settings *settings)

 	settings->setDefault("media_fetch_threads", "8");

-	settings->setDefault("serverlist_url", "servers.minetest.ru/server.list");
+	settings->setDefault("serverlist_url", "servers.minetest.net");
 	settings->setDefault("serverlist_file", "favoriteservers.txt");
+	settings->setDefault("server_announce", "false");
+	settings->setDefault("server_url", "");
+	settings->setDefault("server_address", "");
+	settings->setDefault("server_name", "");
+	settings->setDefault("server_description", "");
+
+	settings->setDefault("font_path", porting::getDataPath("fonts" DIR_DELIM "liberationsans.ttf"));
+	settings->setDefault("font_size", "13");
+	settings->setDefault("mono_font_path", porting::getDataPath("fonts" DIR_DELIM "liberationmono.ttf"));
+	settings->setDefault("mono_font_size", "13");

 	// Server stuff
 	// "map-dir" doesn't exist by default.
@ -172,10 +183,34 @@ void set_default_settings(Settings *settings)
 	settings->setDefault("congestion_control_max_rate", "400");
 	settings->setDefault("congestion_control_min_rate", "10");
 	settings->setDefault("remote_media", "");
+	settings->setDefault("debug_log_level", "0");
+	settings->setDefault("emergequeue_limit_total", "256");
+	settings->setDefault("emergequeue_limit_diskonly", "");
+	settings->setDefault("emergequeue_limit_generate", "");
+	settings->setDefault("num_emerge_threads", "1");
+	
+	// physics stuff
+	settings->setDefault("movement_acceleration_default", "3");
+	settings->setDefault("movement_acceleration_air", "2");
+	settings->setDefault("movement_acceleration_fast", "10");
+	settings->setDefault("movement_speed_walk", "4");
+	settings->setDefault("movement_speed_crouch", "1.35");
+	settings->setDefault("movement_speed_fast", "20");
+	settings->setDefault("movement_speed_climb", "2");
+	settings->setDefault("movement_speed_jump", "6.5");
+	settings->setDefault("movement_liquid_fluidity", "1");
+	settings->setDefault("movement_liquid_fluidity_smooth", "0.5");
+	settings->setDefault("movement_liquid_sink", "10");
+	settings->setDefault("movement_gravity", "9.81");
 	
 	//mapgen related things
 	settings->setDefault("mg_name", "v6");
 	settings->setDefault("water_level", "1");
+	settings->setDefault("liquid_finite", "false");
+	settings->setDefault("liquid_update", "1.0");
+	settings->setDefault("liquid_relax", "1");
+	settings->setDefault("liquid_fast_flood", "1");
+	
 	settings->setDefault("chunksize", "5");
 	settings->setDefault("mg_flags", "trees, caves, v6_biome_blend");
 	settings->setDefault("mgv6_freq_desert", "0.45");
--- a/src/defaultsettings.h
+++ b/src/defaultsettings.h
@ -1,6 +1,6 @@
 /*
-Minetest-c55
-Copyright (C) 2011 celeron55, Perttu Ahola <celeron55@gmail.com>
+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
--- a/src/emerge.cpp
+++ b/src/emerge.cpp
@ -0,0 +1,453 @@
+/*
+Minetest-c55
+Copyright (C) 2010-2011 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 "server.h"
+#include <iostream>
+#include <queue>
+#include "clientserver.h"
+#include "map.h"
+#include "jmutexautolock.h"
+#include "main.h"
+#include "constants.h"
+#include "voxel.h"
+#include "config.h"
+#include "mapblock.h"
+#include "serverobject.h"
+#include "settings.h"
+#include "script.h"
+#include "scriptapi.h"
+#include "profiler.h"
+#include "log.h"
+#include "nodedef.h"
+#include "biome.h"
+#include "emerge.h"
+#include "mapgen_v6.h"
+
+
+/////////////////////////////// Emerge Manager ////////////////////////////////
+
+EmergeManager::EmergeManager(IGameDef *gamedef, BiomeDefManager *bdef) {
+	//register built-in mapgens
+	registerMapgen("v6", new MapgenFactoryV6());
+
+	this->biomedef = bdef ? bdef : new BiomeDefManager(gamedef);
+	this->params   = NULL;
+	
+	mapgen_debug_info = g_settings->getBool("enable_mapgen_debug_info");
+
+	queuemutex.Init();
+	
+	int nthreads;
+	if (g_settings->get("num_emerge_threads").empty()) {
+		int nprocs = porting::getNumberOfProcessors();
+		// leave a proc for the main thread and one for some other misc threads
+		nthreads = (nprocs > 2) ? nprocs - 2 : 1;
+	} else {
+		nthreads = g_settings->getU16("num_emerge_threads");
+	}
+	if (nthreads < 1)
+		nthreads = 1;
+	
+	qlimit_total    = g_settings->getU16("emergequeue_limit_total");
+	qlimit_diskonly = g_settings->get("emergequeue_limit_diskonly").empty() ?
+		nthreads * 5 + 1 :
+		g_settings->getU16("emergequeue_limit_diskonly");
+	qlimit_generate = g_settings->get("emergequeue_limit_generate").empty() ?
+		nthreads + 1 :
+		g_settings->getU16("emergequeue_limit_generate");
+	
+	for (int i = 0; i != nthreads; i++)
+		emergethread.push_back(new EmergeThread((Server *)gamedef, i));
+		
+	infostream << "EmergeManager: using " << nthreads << " threads" << std::endl;
+}
+
+
+EmergeManager::~EmergeManager() {
+	for (unsigned int i = 0; i != emergethread.size(); i++) {
+		emergethread[i]->setRun(false);
+		emergethread[i]->qevent.signal();
+		emergethread[i]->stop();
+		delete emergethread[i];
+		delete mapgen[i];
+	}
+	
+	delete biomedef;
+	delete params;
+}
+
+
+void EmergeManager::initMapgens(MapgenParams *mgparams) {
+	Mapgen *mg;
+	
+	if (mapgen.size())
+		return;
+	
+	this->params = mgparams;
+	for (unsigned int i = 0; i != emergethread.size(); i++) {
+		mg = createMapgen(params->mg_name, 0, params);
+		if (!mg) {
+			infostream << "EmergeManager: falling back to mapgen v6" << std::endl;
+			delete params;
+			params = createMapgenParams("v6");
+			mg = createMapgen("v6", 0, params);
+		}
+		mapgen.push_back(mg);
+	}
+}
+
+
+bool EmergeManager::enqueueBlockEmerge(u16 peer_id, v3s16 p, bool allow_generate) {
+	std::map<v3s16, BlockEmergeData *>::const_iterator iter;
+	BlockEmergeData *bedata;
+	u16 count;
+	u8 flags = 0;
+	int idx = 0;
+	
+	if (allow_generate)
+		flags |= BLOCK_EMERGE_ALLOWGEN;
+
+	{
+		JMutexAutoLock queuelock(queuemutex);
+		
+		count = blocks_enqueued.size();
+		if (count >= qlimit_total)
+			return false;
+
+		count = peer_queue_count[peer_id];
+		u16 qlimit_peer = allow_generate ? qlimit_generate : qlimit_diskonly;
+		if (count >= qlimit_peer)
+			return false;
+		
+		iter = blocks_enqueued.find(p);
+		if (iter != blocks_enqueued.end()) {
+			bedata = iter->second;
+			bedata->flags |= flags;
+			return true;
+		}
+
+		bedata = new BlockEmergeData;
+		bedata->flags = flags;
+		bedata->peer_requested = peer_id;
+		blocks_enqueued.insert(std::make_pair(p, bedata));
+		
+		peer_queue_count[peer_id] = count + 1;
+		
+		// insert into the EmergeThread queue with the least items
+		int lowestitems = emergethread[0]->blockqueue.size();
+		for (unsigned int i = 1; i != emergethread.size(); i++) {
+			int nitems = emergethread[i]->blockqueue.size();
+			if (nitems < lowestitems) {
+				idx = i;
+				lowestitems = nitems;
+			}
+		}
+		
+		emergethread[idx]->blockqueue.push(p);
+	}
+	emergethread[idx]->qevent.signal();
+	
+	return true;
+}
+
+
+int EmergeManager::getGroundLevelAtPoint(v2s16 p) {
+	if (mapgen.size() == 0 || !mapgen[0]) {
+		errorstream << "EmergeManager: getGroundLevelAtPoint() called"
+		" before mapgen initialized" << std::endl;
+		return 0;
+	}
+	
+	return mapgen[0]->getGroundLevelAtPoint(p);
+}
+
+
+bool EmergeManager::isBlockUnderground(v3s16 blockpos) {
+	/*
+	v2s16 p = v2s16((blockpos.X * MAP_BLOCKSIZE) + MAP_BLOCKSIZE / 2,
+					(blockpos.Y * MAP_BLOCKSIZE) + MAP_BLOCKSIZE / 2);
+	int ground_level = getGroundLevelAtPoint(p);
+	return blockpos.Y * (MAP_BLOCKSIZE + 1) <= min(water_level, ground_level);
+	*/
+
+	//yuck, but then again, should i bother being accurate?
+	//the height of the nodes in a single block is quite variable
+	return blockpos.Y * (MAP_BLOCKSIZE + 1) <= params->water_level;
+}
+
+
+u32 EmergeManager::getBlockSeed(v3s16 p) {
+	return (u32)(params->seed & 0xFFFFFFFF) +
+		p.Z * 38134234 +
+		p.Y * 42123 +
+		p.X * 23;
+}
+
+
+Mapgen *EmergeManager::createMapgen(std::string mgname, int mgid,
+									 MapgenParams *mgparams) {
+	std::map<std::string, MapgenFactory *>::const_iterator iter;
+	iter = mglist.find(mgname);
+	if (iter == mglist.end()) {
+		errorstream << "EmergeManager; mapgen " << mgname <<
+		 " not registered" << std::endl;
+		return NULL;
+	}
+	
+	MapgenFactory *mgfactory = iter->second;
+	return mgfactory->createMapgen(mgid, mgparams, this);
+}
+
+
+MapgenParams *EmergeManager::createMapgenParams(std::string mgname) {
+	std::map<std::string, MapgenFactory *>::const_iterator iter;
+	iter = mglist.find(mgname);
+	if (iter == mglist.end()) {
+		errorstream << "EmergeManager: mapgen " << mgname <<
+		 " not registered" << std::endl;
+		return NULL;
+	}
+	
+	MapgenFactory *mgfactory = iter->second;
+	return mgfactory->createMapgenParams();
+}
+
+
+MapgenParams *EmergeManager::getParamsFromSettings(Settings *settings) {
+	std::string mg_name = settings->get("mg_name");
+	MapgenParams *mgparams = createMapgenParams(mg_name);
+	
+	mgparams->mg_name     = mg_name;
+	mgparams->seed        = settings->getU64(settings == g_settings ? "fixed_map_seed" : "seed");
+	mgparams->water_level = settings->getS16("water_level");
+	mgparams->chunksize   = settings->getS16("chunksize");
+	mgparams->flags       = settings->getFlagStr("mg_flags", flagdesc_mapgen);
+
+	if (!mgparams->readParams(settings)) {
+		delete mgparams;
+		return NULL;
+	}
+	return mgparams;
+}
+
+
+void EmergeManager::setParamsToSettings(Settings *settings) {
+	settings->set("mg_name",         params->mg_name);
+	settings->setU64("seed",         params->seed);
+	settings->setS16("water_level",  params->water_level);
+	settings->setS16("chunksize",    params->chunksize);
+	settings->setFlagStr("mg_flags", params->flags, flagdesc_mapgen);
+
+	params->writeParams(settings);
+}
+
+
+void EmergeManager::registerMapgen(std::string mgname, MapgenFactory *mgfactory) {
+	mglist.insert(std::make_pair(mgname, mgfactory));
+	infostream << "EmergeManager: registered mapgen " << mgname << std::endl;
+}
+
+
+////////////////////////////// Emerge Thread ////////////////////////////////// 
+
+bool EmergeThread::popBlockEmerge(v3s16 *pos, u8 *flags) {
+	std::map<v3s16, BlockEmergeData *>::iterator iter;
+	JMutexAutoLock queuelock(emerge->queuemutex);
+
+	if (blockqueue.empty())
+		return false;
+	v3s16 p = blockqueue.front();
+	blockqueue.pop();
+	
+	*pos = p;
+	
+	iter = emerge->blocks_enqueued.find(p);
+	if (iter == emerge->blocks_enqueued.end()) 
+		return false; //uh oh, queue and map out of sync!!
+
+	BlockEmergeData *bedata = iter->second;
+	*flags = bedata->flags;
+	
+	emerge->peer_queue_count[bedata->peer_requested]--;
+
+	delete bedata;
+	emerge->blocks_enqueued.erase(iter);
+	
+	return true;
+}
+
+
+bool EmergeThread::getBlockOrStartGen(v3s16 p, MapBlock **b, 
+									BlockMakeData *data, bool allow_gen) {
+	v2s16 p2d(p.X, p.Z);
+	//envlock: usually takes <=1ms, sometimes 90ms or ~400ms to acquire
+	JMutexAutoLock envlock(m_server->m_env_mutex); 
+	
+	// Load sector if it isn't loaded
+	if (map->getSectorNoGenerateNoEx(p2d) == NULL)
+		map->loadSectorMeta(p2d);
+
+	// Attempt to load block
+	MapBlock *block = map->getBlockNoCreateNoEx(p);
+	if (!block || block->isDummy() || !block->isGenerated()) {
+		EMERGE_DBG_OUT("not in memory, attempting to load from disk");
+		block = map->loadBlock(p);
+	}
+
+	// If could not load and allowed to generate,
+	// start generation inside this same envlock
+	if (allow_gen && (block == NULL || !block->isGenerated())) {
+		EMERGE_DBG_OUT("generating");
+		*b = block;
+		return map->initBlockMake(data, p);
+	}
+	
+	*b = block;
+	return false;
+}
+
+
+void *EmergeThread::Thread() {
+	ThreadStarted();
+	log_register_thread("EmergeThread" + id);
+	DSTACK(__FUNCTION_NAME);
+	BEGIN_DEBUG_EXCEPTION_HANDLER
+
+	v3s16 last_tried_pos(-32768,-32768,-32768); // For error output
+	v3s16 p;
+	u8 flags;
+	
+	map    = (ServerMap *)&(m_server->m_env->getMap());
+	emerge = m_server->m_emerge;
+	mapgen = emerge->mapgen[id];
+	enable_mapgen_debug_info = emerge->mapgen_debug_info;
+	
+	while (getRun())
+	try {
+		if (!popBlockEmerge(&p, &flags)) {
+			qevent.wait();
+			continue;
+		}
+
+		last_tried_pos = p;
+		if (blockpos_over_limit(p))
+			continue;
+
+		bool allow_generate = flags & BLOCK_EMERGE_ALLOWGEN;
+		EMERGE_DBG_OUT("p=" PP(p) " allow_generate=" << allow_generate);
+		
+		/*
+			Try to fetch block from memory or disk.
+			If not found and asked to generate, initialize generator.
+		*/
+		BlockMakeData data;
+		MapBlock *block = NULL;
+		core::map<v3s16, MapBlock *> modified_blocks;
+		
+		if (getBlockOrStartGen(p, &block, &data, allow_generate)) {
+			{
+				ScopeProfiler sp(g_profiler, "EmergeThread: Mapgen::makeChunk", SPT_AVG);
+				TimeTaker t("mapgen::make_block()");
+
+				mapgen->makeChunk(&data);
+
+				if (enable_mapgen_debug_info == false)
+					t.stop(true); // Hide output
+			}
+
+			{
+				//envlock: usually 0ms, but can take either 30 or 400ms to acquire
+				JMutexAutoLock envlock(m_server->m_env_mutex); 
+				ScopeProfiler sp(g_profiler, "EmergeThread: after "
+						"Mapgen::makeChunk (envlock)", SPT_AVG);
+
+				map->finishBlockMake(&data, modified_blocks);
+				
+				block = map->getBlockNoCreateNoEx(p);
+				if (block) {
+					/*
+						Do some post-generate stuff
+					*/
+					v3s16 minp = data.blockpos_min * MAP_BLOCKSIZE;
+					v3s16 maxp = data.blockpos_max * MAP_BLOCKSIZE +
+								 v3s16(1,1,1) * (MAP_BLOCKSIZE - 1);
+
+					// Ignore map edit events, they will not need to be sent
+					// to anybody because the block hasn't been sent to anybody
+					MapEditEventAreaIgnorer 
+						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,
+								minp, maxp, emerge->getBlockSeed(minp));
+					}
+
+					EMERGE_DBG_OUT("ended up with: " << analyze_block(block));
+					
+					m_server->m_env->activateBlock(block, 0);
+				}
+			}
+		}
+
+		/*
+			Set sent status of modified blocks on clients
+		*/
+
+		// NOTE: Server's clients are also behind the connection mutex
+		//conlock: consistently takes 30-40ms to acquire
+		JMutexAutoLock lock(m_server->m_con_mutex);
+		// Add the originally fetched block to the modified list
+		if (block)
+			modified_blocks.insert(p, block);
+
+		// Set the modified blocks unsent for all the clients
+		for (core::map<u16, RemoteClient*>::Iterator
+			 i = m_server->m_clients.getIterator();
+			 i.atEnd() == false; i++) {
+			RemoteClient *client = i.getNode()->getValue();
+			if (modified_blocks.size() > 0) {
+				// Remove block from sent history
+				client->SetBlocksNotSent(modified_blocks);
+			}
+		}
+	}
+	catch (VersionMismatchException &e) {
+		std::ostringstream err;
+		err << "World data version mismatch in MapBlock "<<PP(last_tried_pos)<<std::endl;
+		err << "----"<<std::endl;
+		err << "\""<<e.what()<<"\""<<std::endl;
+		err << "See debug.txt."<<std::endl;
+		err << "World probably saved by a newer version of Minetest."<<std::endl;
+		m_server->setAsyncFatalError(err.str());
+	}
+	catch (SerializationError &e) {
+		std::ostringstream err;
+		err << "Invalid data in MapBlock "<<PP(last_tried_pos)<<std::endl;
+		err << "----"<<std::endl;
+		err << "\""<<e.what()<<"\""<<std::endl;
+		err << "See debug.txt."<<std::endl;
+		err << "You can ignore this using [ignore_world_load_errors = true]."<<std::endl;
+		m_server->setAsyncFatalError(err.str());
+	}
+	
+	END_DEBUG_EXCEPTION_HANDLER(errorstream)
+	log_deregister_thread();
+	return NULL;
+}
--- a/src/emerge.h
+++ b/src/emerge.h
@ -0,0 +1,128 @@
+#ifndef EMERGE_HEADER
+#define EMERGE_HEADER
+
+#include <map>
+#include <queue>
+#include "util/thread.h"
+
+#define BLOCK_EMERGE_ALLOWGEN (1<<0)
+
+#define EMERGE_DBG_OUT(x) \
+	{ if (enable_mapgen_debug_info) \
+	infostream << "EmergeThread: " x << std::endl; }
+
+class Mapgen;
+class MapgenParams;
+class MapgenFactory;
+class Biome;
+class BiomeDefManager;
+class EmergeThread;
+class ManualMapVoxelManipulator;
+
+#include "server.h"
+
+struct BlockMakeData {
+	ManualMapVoxelManipulator *vmanip;
+	u64 seed;
+	v3s16 blockpos_min;
+	v3s16 blockpos_max;
+	v3s16 blockpos_requested;
+	UniqueQueue<v3s16> transforming_liquid;
+	INodeDefManager *nodedef;
+
+	BlockMakeData():
+		vmanip(NULL),
+		seed(0),
+		nodedef(NULL)
+	{}
+
+	~BlockMakeData() { delete vmanip; }
+};
+
+struct BlockEmergeData {
+	u16 peer_requested;
+	u8 flags;
+};
+
+class EmergeManager {
+public:
+	std::map<std::string, MapgenFactory *> mglist;
+	
+	std::vector<Mapgen *> mapgen;
+	std::vector<EmergeThread *> emergethread;
+	
+	//settings
+	MapgenParams *params;
+	bool mapgen_debug_info;
+	u16 qlimit_total;
+	u16 qlimit_diskonly;
+	u16 qlimit_generate;
+	
+	//block emerge queue data structures
+	JMutex queuemutex;
+	std::map<v3s16, BlockEmergeData *> blocks_enqueued;
+	std::map<u16, u16> peer_queue_count;
+
+	//biome manager
+	BiomeDefManager *biomedef;
+
+	EmergeManager(IGameDef *gamedef, BiomeDefManager *bdef);
+	~EmergeManager();
+
+	void initMapgens(MapgenParams *mgparams);
+	Mapgen *createMapgen(std::string mgname, int mgid,
+						MapgenParams *mgparams);
+	MapgenParams *createMapgenParams(std::string mgname);
+	bool enqueueBlockEmerge(u16 peer_id, v3s16 p, bool allow_generate);
+	
+	void registerMapgen(std::string name, MapgenFactory *mgfactory);
+	MapgenParams *getParamsFromSettings(Settings *settings);
+	void setParamsToSettings(Settings *settings);
+	
+	//mapgen helper methods
+	Biome *getBiomeAtPoint(v3s16 p);
+	int getGroundLevelAtPoint(v2s16 p);
+	bool isBlockUnderground(v3s16 blockpos);
+	u32 getBlockSeed(v3s16 p);
+};
+
+class EmergeThread : public SimpleThread
+{
+	Server *m_server;
+	ServerMap *map;
+	EmergeManager *emerge;
+	Mapgen *mapgen;
+	bool enable_mapgen_debug_info;
+	int id;
+	
+public:
+	Event qevent;
+	std::queue<v3s16> blockqueue;
+	
+	EmergeThread(Server *server, int ethreadid):
+		SimpleThread(),
+		m_server(server),
+		map(NULL),
+		emerge(NULL),
+		mapgen(NULL),
+		id(ethreadid)
+	{
+	}
+
+	void *Thread();
+
+	void trigger()
+	{
+		setRun(true);
+		if(IsRunning() == false)
+		{
+			Start();
+		}
+	}
+
+	bool popBlockEmerge(v3s16 *pos, u8 *flags);
+	bool getBlockOrStartGen(v3s16 p, MapBlock **b, 
+							BlockMakeData *data, bool allow_generate);
+};
+
+#endif
--- a/src/environment.cpp
+++ b/src/environment.cpp
@ -1,6 +1,6 @@
 /*
-Minetest-c55
-Copyright (C) 2010-2011 celeron55, Perttu Ahola <celeron55@gmail.com>
+Minetest
+Copyright (C) 2010-2013 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
@ -2065,20 +2065,37 @@ void ClientEnvironment::step(float dtime)
 			{
 				// Gravity
 				v3f speed = lplayer->getSpeed();
-				if(lplayer->swimming_up == false)
-					speed.Y -= 9.81 * BS * dtime_part * 2;
+				if(lplayer->in_liquid == false)
+					speed.Y -= lplayer->movement_gravity * dtime_part * 2;

-				// Water resistance
-				if(lplayer->in_water_stable || lplayer->in_water)
+				// Liquid floating / sinking
+				if(lplayer->in_liquid && !lplayer->swimming_vertical)
+					speed.Y -= lplayer->movement_liquid_sink * dtime_part * 2;
+
+				// Liquid resistance
+				if(lplayer->in_liquid_stable || lplayer->in_liquid)
 				{
-					f32 max_down = 2.0*BS;
-					if(speed.Y < -max_down) speed.Y = -max_down;
+					// How much the node's viscosity blocks movement, ranges between 0 and 1
+					// Should match the scale at which viscosity increase affects other liquid attributes
+					const f32 viscosity_factor = 0.3;

-					f32 max = 2.5*BS;
-					if(speed.getLength() > max)
-					{
-						speed = speed / speed.getLength() * max;
-					}
+					v3f d_wanted = -speed / lplayer->movement_liquid_fluidity;
+					f32 dl = d_wanted.getLength();
+					if(dl > lplayer->movement_liquid_fluidity_smooth)
+						dl = lplayer->movement_liquid_fluidity_smooth;
+					dl *= (lplayer->liquid_viscosity * viscosity_factor) + (1 - viscosity_factor);
+					
+					v3f d = d_wanted.normalize() * dl;
+					speed += d;
+					
+#if 0 // old code
+					if(speed.X > lplayer->movement_liquid_fluidity + lplayer->movement_liquid_fluidity_smooth)	speed.X -= lplayer->movement_liquid_fluidity_smooth;
+					if(speed.X < -lplayer->movement_liquid_fluidity - lplayer->movement_liquid_fluidity_smooth)	speed.X += lplayer->movement_liquid_fluidity_smooth;
+					if(speed.Y > lplayer->movement_liquid_fluidity + lplayer->movement_liquid_fluidity_smooth)	speed.Y -= lplayer->movement_liquid_fluidity_smooth;
+					if(speed.Y < -lplayer->movement_liquid_fluidity - lplayer->movement_liquid_fluidity_smooth)	speed.Y += lplayer->movement_liquid_fluidity_smooth;
+					if(speed.Z > lplayer->movement_liquid_fluidity + lplayer->movement_liquid_fluidity_smooth)	speed.Z -= lplayer->movement_liquid_fluidity_smooth;
+					if(speed.Z < -lplayer->movement_liquid_fluidity - lplayer->movement_liquid_fluidity_smooth)	speed.Z += lplayer->movement_liquid_fluidity_smooth;
+#endif
 				}

 				lplayer->setSpeed(speed);
--- a/src/environment.h
+++ b/src/environment.h
@ -1,6 +1,6 @@
 /*
-Minetest-c55
-Copyright (C) 2010-2011 celeron55, Perttu Ahola <celeron55@gmail.com>
+Minetest
+Copyright (C) 2010-2013 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
@ -40,7 +40,6 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 #include "mapnode.h"
 #include "mapblock.h"

-class Server;
 class ServerEnvironment;
 class ActiveBlockModifier;
 class ServerActiveObject;
--- a/src/event.h
+++ b/src/event.h
@ -1,6 +1,6 @@
 /*
-Minetest-c55
-Copyright (C) 2012 celeron55, Perttu Ahola <celeron55@gmail.com>
+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
--- a/src/event_manager.h
+++ b/src/event_manager.h
@ -1,6 +1,6 @@
 /*
-Minetest-c55
-Copyright (C) 2012 celeron55, Perttu Ahola <celeron55@gmail.com>
+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
--- a/src/exceptions.h
+++ b/src/exceptions.h
@ -1,6 +1,6 @@
 /*
-Minetest-c55
-Copyright (C) 2010 celeron55, Perttu Ahola <celeron55@gmail.com>
+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
--- a/src/farmesh.cpp
+++ b/src/farmesh.cpp
@ -1,6 +1,6 @@
 /*
-Part of Minetest-c55
-Copyright (C) 2011 celeron55, Perttu Ahola <celeron55@gmail.com>
+Part of 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
--- a/src/farmesh.h
+++ b/src/farmesh.h
@ -1,6 +1,6 @@
 /*
-Part of Minetest-c55
-Copyright (C) 2010-2011 celeron55, Perttu Ahola <celeron55@gmail.com>
+Part of Minetest
+Copyright (C) 2010-2013 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
--- a/src/filecache.cpp
+++ b/src/filecache.cpp
@ -1,7 +1,7 @@
 /*
-Minetest-c55
-Copyright (C) 2010 celeron55, Perttu Ahola <celeron55@gmail.com>
-Copyright (C) 2012 Jonathan Neuschäfer <j.neuschaefer@gmx.net>
+Minetest
+Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com>
+Copyright (C) 2013 Jonathan Neuschäfer <j.neuschaefer@gmx.net>

 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
--- a/src/filecache.h
+++ b/src/filecache.h
@ -1,7 +1,7 @@
 /*
-Minetest-c55
-Copyright (C) 2010 celeron55, Perttu Ahola <celeron55@gmail.com>
-Copyright (C) 2012 Jonathan Neuschäfer <j.neuschaefer@gmx.net>
+Minetest
+Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com>
+Copyright (C) 2013 Jonathan Neuschäfer <j.neuschaefer@gmx.net>

 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
--- a/src/filesys.cpp
+++ b/src/filesys.cpp
@ -1,6 +1,6 @@
 /*
-Minetest-c55
-Copyright (C) 2010 celeron55, Perttu Ahola <celeron55@gmail.com>
+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
--- a/src/filesys.h
+++ b/src/filesys.h
@ -1,6 +1,6 @@
 /*
-Minetest-c55
-Copyright (C) 2010 celeron55, Perttu Ahola <celeron55@gmail.com>
+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
--- a/src/game.cpp
+++ b/src/game.cpp
@ -1,6 +1,6 @@
 /*
-Minetest-c55
-Copyright (C) 2010-2011 celeron55, Perttu Ahola <celeron55@gmail.com>
+Minetest
+Copyright (C) 2010-2013 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
@ -29,6 +29,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 #include "server.h"
 #include "guiPauseMenu.h"
 #include "guiPasswordChange.h"
+#include "guiVolumeChange.h"
 #include "guiFormSpecMenu.h"
 #include "guiTextInputMenu.h"
 #include "guiDeathScreen.h"
@ -1262,7 +1263,7 @@ void the_game(
 	gui::IGUIStaticText *guitext_info = guienv->addStaticText(
 			L"",
 			core::rect<s32>(0,0,400,text_height*5+5) + v2s32(100,200),
-			false, false);
+			false, true);
 	
 	// Status text (displays info when showing and hiding GUI stuff, etc.)
 	gui::IGUIStaticText *guitext_status = guienv->addStaticText(
@ -1519,6 +1520,13 @@ void the_game(
 			g_gamecallback->changepassword_requested = false;
 		}

+		if(g_gamecallback->changevolume_requested)
+		{
+			(new GUIVolumeChange(guienv, guiroot, -1,
+				&g_menumgr, &client))->drop();
+			g_gamecallback->changevolume_requested = false;
+		}
+
 		/* Process TextureSource's queue */
 		tsrc->processQueue();

@ -2531,7 +2539,8 @@ void the_game(
 					// make that happen
 					const ItemDefinition &def =
 							playeritem.getDefinition(itemdef);
-					if(def.node_placement_prediction != "")
+					if(def.node_placement_prediction != ""
+							&& !nodedef->get(map.getNode(nodepos)).rightclickable)
 					do{ // breakable
 						verbosestream<<"Node placement prediction for "
 								<<playeritem.name<<" is "
@ -2807,12 +2816,12 @@ void the_game(
 			char temptext[300];
 			snprintf(temptext, 300,
 					"(% .1f, % .1f, % .1f)"
-					" (yaw = %.1f) (seed = %lli)",
+					" (yaw = %.1f) (seed = %llu)",
 					player_position.X/BS,
 					player_position.Y/BS,
 					player_position.Z/BS,
 					wrapDegrees_0_360(camera_yaw),
-					client.getMapSeed());
+					(unsigned long long)client.getMapSeed());

 			guitext2->setText(narrow_to_wide(temptext).c_str());
 			guitext2->setVisible(true);
--- a/src/game.h
+++ b/src/game.h
@ -1,6 +1,6 @@
 /*
-Minetest-c55
-Copyright (C) 2011 celeron55, Perttu Ahola <celeron55@gmail.com>
+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
--- a/src/gamedef.h
+++ b/src/gamedef.h
@ -1,6 +1,6 @@
 /*
-Minetest-c55
-Copyright (C) 2011 celeron55, Perttu Ahola <celeron55@gmail.com>
+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
--- a/src/genericobject.cpp
+++ b/src/genericobject.cpp
@ -1,6 +1,6 @@
 /*
-Minetest-c55
-Copyright (C) 2012 celeron55, Perttu Ahola <celeron55@gmail.com>
+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
--- a/src/genericobject.h
+++ b/src/genericobject.h
@ -1,6 +1,6 @@
 /*
-Minetest-c55
-Copyright (C) 2012 celeron55, Perttu Ahola <celeron55@gmail.com>
+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
--- a/src/gettext.h
+++ b/src/gettext.h
@ -12,6 +12,11 @@
 #define gettext_noop(String) String
 #define N_(String) gettext_noop (String)

+#if defined(_WIN32)
+#define WIN32_LEAN_AND_MEAN
+#include <windows.h>
+#endif
+
 inline void init_gettext(const char *path) {
 #if USE_GETTEXT
 	// don't do this if MSVC compiler is used, it gives an assertion fail
@ -20,14 +25,44 @@ inline void init_gettext(const char *path) {
 	#endif
 	bindtextdomain(PROJECT_NAME, path);
 	textdomain(PROJECT_NAME);
+#if defined(_WIN32)
+	// As linux is successfully switched to UTF-8 completely at about year 2005
+	// Windows still uses obsolete codepage based locales because you
+	// cannot recompile closed-source applications
+
+	// Set character encoding for Win32
+	char *tdomain = textdomain( (char *) NULL );
+	if( tdomain == NULL )
+	{
+		fprintf( stderr, "warning: domainname parameter is the null pointer, default domain is not set\n" );
+		tdomain = (char *) "messages";
+	}
+	/*char *codeset = */bind_textdomain_codeset( tdomain, "UTF-8" );
+	//fprintf( stdout, "%s: debug: domainname = %s; codeset = %s\n", argv[0], tdomain, codeset );
+#endif // defined(_WIN32)
 #endif
 }

 inline wchar_t* chartowchar_t(const char *str)
 {
+	wchar_t* nstr = 0;
+#if defined(_WIN32)
+	int nResult = MultiByteToWideChar( CP_UTF8, 0, (LPCSTR) str, -1, 0, 0 );
+	if( nResult == 0 )
+	{
+		fprintf( stderr, "error: MultiByteToWideChar returned null\n" );
+	}
+	else
+	{
+		nstr = new wchar_t[nResult];
+		MultiByteToWideChar( CP_UTF8, 0, (LPCSTR) str, -1, (WCHAR *) nstr, nResult );
+	}
+#else
 	size_t l = strlen(str)+1;
-	wchar_t* nstr = new wchar_t[l];
+	nstr = new wchar_t[l];
 	mbstowcs(nstr, str, l);
+#endif
+
 	return nstr;
 }

@ -38,12 +73,12 @@ inline wchar_t* wgettext(const char *str)

 inline void changeCtype(const char *l)
 {
-	char *ret = NULL;
+	/*char *ret = NULL;
 	ret = setlocale(LC_CTYPE, l);
 	if(ret == NULL)
 		infostream<<"locale could not be set"<<std::endl;
 	else
-		infostream<<"locale has been set to:"<<ret<<std::endl;
+		infostream<<"locale has been set to:"<<ret<<std::endl;*/
 }
 #define GETTEXT_HEADER
 #endif
--- a/src/gettime.h
+++ b/src/gettime.h
@ -1,6 +1,6 @@
 /*
-Minetest-c55
-Copyright (C) 2010 celeron55, Perttu Ahola <celeron55@gmail.com>
+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
--- a/src/guiChatConsole.cpp
+++ b/src/guiChatConsole.cpp
@ -1,6 +1,6 @@
 /*
-Minetest-c55
-Copyright (C) 2011 celeron55, Perttu Ahola <celeron55@gmail.com>
+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
@ -32,6 +32,10 @@ with this program; if not, write to the Free Software Foundation, Inc.,

 #include "gettext.h"

+#if USE_FREETYPE
+#include "xCGUITTFont.h"
+#endif
+
 inline u32 clamp_u8(s32 value)
 {
 	return (u32) MYMIN(MYMAX(value, 0), 255);
@ -90,8 +94,14 @@ GUIChatConsole::GUIChatConsole(

 	// load the font
 	// FIXME should a custom texture_path be searched too?
+	#if USE_FREETYPE
+	std::string font_name = g_settings->get("mono_font_path");
+	u16 font_size = g_settings->getU16("mono_font_size");
+	m_font = gui::CGUITTFont::createTTFont(env, font_name.c_str(), font_size);
+	#else
 	std::string font_name = "fontdejavusansmono.png";
 	m_font = env->getFont(getTexturePath(font_name).c_str());
+	#endif
 	if (m_font == NULL)
 	{
 		dstream << "Unable to load font: " << font_name << std::endl;
--- a/src/guiChatConsole.h
+++ b/src/guiChatConsole.h
@ -1,6 +1,6 @@
 /*
-Minetest-c55
-Copyright (C) 2011 celeron55, Perttu Ahola <celeron55@gmail.com>
+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
--- a/src/guiConfigureWorld.cpp
+++ b/src/guiConfigureWorld.cpp
@ -1,6 +1,6 @@
 /*
-Minetest-c55
-Copyright (C) 2012 celeron55, Perttu Ahola <celeron55@gmail.com>
+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
@ -414,8 +414,9 @@ bool GUIConfigureWorld::OnEvent(const SEvent& event)
 				else if(selected_node != NULL && selected_node->getText() != NULL)
 				{  
 					std::string modname = wide_to_narrow(selected_node->getText());
-					ModSpec mod = m_addonmods[modname];
-					enableAllMods(mod.modpack_content,true);
+					std::map<std::string, ModSpec>::iterator mod_it = m_addonmods.find(modname);
+					if(mod_it != m_addonmods.end())
+						enableAllMods(mod_it->second.modpack_content,true);
 				}
 				return true;
 			}
@ -427,8 +428,9 @@ bool GUIConfigureWorld::OnEvent(const SEvent& event)
 				if(selected_node != NULL && selected_node->getText() != NULL)
 				{
 					std::string modname = wide_to_narrow(selected_node->getText());
-					ModSpec mod = m_addonmods[modname];
-					enableAllMods(mod.modpack_content,false);
+					std::map<std::string, ModSpec>::iterator mod_it = m_addonmods.find(modname);
+					if(mod_it != m_addonmods.end())
+						enableAllMods(mod_it->second.modpack_content,false);
 				}
 				return true;
 			}
@ -446,7 +448,7 @@ bool GUIConfigureWorld::OnEvent(const SEvent& event)
 			return true;
 		}
 		if(event.GUIEvent.EventType==gui::EGET_TREEVIEW_NODE_SELECT &&
-			event.GUIEvent.Caller->getID() == GUI_ID_MOD_TREEVIEW)
+		   event.GUIEvent.Caller->getID() == GUI_ID_MOD_TREEVIEW)
 		{
 			selecting_dep = -1;
 			selecting_rdep = -1;
@ -560,42 +562,49 @@ void GUIConfigureWorld::adjustSidebar()
 		modname_w = L"N/A";
 	std::string modname = wide_to_narrow(modname_w);

-	// if no mods installed, don't show buttons or checkbox on the sidebar
+	ModSpec mspec;
+	std::map<std::string, ModSpec>::iterator it = m_addonmods.find(modname);
+	if(it != m_addonmods.end())
+		mspec = it->second;
+
+	m_dependencies_listbox->clear();
+	m_rdependencies_listbox->clear();
+
+	// if no mods installed, there is nothing to enable/disable, so we
+	// don't show buttons or checkbox on the sidebar
 	if(node->getParent() == m_treeview->getRoot() && !node->hasChilds())
 	{
 		m_disableall->setVisible(false);
 		m_enableall->setVisible(false);
 		m_enabled_checkbox->setVisible(false);
+		return;
 	} 
-	else
+	
+    // a modpack is not enabled/disabled by itself, only its cotnents
+    // are. so we show show enable/disable all buttons, but hide the
+    // checkbox
+	if(node->getParent() == m_treeview->getRoot() ||
+	   mspec.is_modpack)
 	{
-		// if modpack, show enable/disable all buttons. otherwise, show
-		// enabled checkbox
-		if(node->getParent() == m_treeview->getRoot() ||
-		   m_addonmods[modname].is_modpack)
-		{
-			m_enabled_checkbox->setVisible(false);
-			m_disableall->setVisible(true);
-			m_enableall->setVisible(true);
-			m_modname_text->setText((L"Modpack: "+modname_w).c_str());
-		}	
-		else	
-		{
-			m_disableall->setVisible(false);
-			m_enableall->setVisible(false);
-			m_enabled_checkbox->setVisible(true);
-			m_modname_text->setText((L"Mod: "+modname_w).c_str());
-		}
-	}
+		m_enabled_checkbox->setVisible(false);
+		m_disableall->setVisible(true);
+		m_enableall->setVisible(true);
+		m_modname_text->setText((L"Modpack: "+modname_w).c_str());
+		return;
+	}	
+
+	// for a normal mod, we hide the enable/disable all buttons, but show the checkbox.
+	m_disableall->setVisible(false);
+	m_enableall->setVisible(false);
+	m_enabled_checkbox->setVisible(true);
+	m_modname_text->setText((L"Mod: "+modname_w).c_str());
+
 	// the mod is enabled unless it is disabled in the world.mt settings. 
 	bool mod_enabled = true;
 	if(m_settings.exists("load_mod_"+modname))
 		mod_enabled = m_settings.getBool("load_mod_"+modname);
 	m_enabled_checkbox->setChecked(mod_enabled);

-	// dependencies of this mod:
-	m_dependencies_listbox->clear();
-	ModSpec mspec = m_addonmods[modname];
 	for(std::set<std::string>::iterator it=mspec.depends.begin();
 		it != mspec.depends.end(); ++it)
 	{
@ -611,9 +620,7 @@ void GUIConfigureWorld::adjustSidebar()
 		m_dependencies_listbox->addItem(narrow_to_wide(dependency).c_str());
 	}

-
 	// reverse dependencies of this mod:
-	m_rdependencies_listbox->clear();
 	std::pair< std::multimap<std::string, std::string>::iterator, 
 			std::multimap<std::string, std::string>::iterator > rdep = 
 		m_reverse_depends.equal_range(modname);
@ -639,19 +646,25 @@ void GUIConfigureWorld::enableAllMods(std::map<std::string, ModSpec> mods,bool e
 			enableAllMods(mod.modpack_content,enable);
 		else // not a modpack
 			setEnabled(mod.name, enable);
+
 	}
 }

 void GUIConfigureWorld::enableMod(std::string modname)
 {
+	std::map<std::string, ModSpec>::iterator mod_it = m_addonmods.find(modname);
+	if(mod_it == m_addonmods.end()){
+		errorstream << "enableMod() called with invalid mod name \"" << modname << "\"" << std::endl;
+		return;
+	}
+	ModSpec mspec = mod_it->second;
 	m_settings.setBool("load_mod_"+modname,true);
 	std::map<std::string,gui::IGUITreeViewNode*>::iterator it = 
 		m_nodes.find(modname);
- 	if(it != m_nodes.end())
+	if(it != m_nodes.end())
 		(*it).second->setIcon(CHECKMARK_STR);
 	m_new_mod_names.erase(modname);
 	//also enable all dependencies
-	ModSpec mspec = m_addonmods[modname];
 	for(std::set<std::string>::iterator it=mspec.depends.begin();
 		it != mspec.depends.end(); ++it)
 	{
@ -664,6 +677,12 @@ void GUIConfigureWorld::enableMod(std::string modname)

 void GUIConfigureWorld::disableMod(std::string modname)
 {
+	std::map<std::string, ModSpec>::iterator mod_it = m_addonmods.find(modname);
+	if(mod_it == m_addonmods.end()){
+		errorstream << "disableMod() called with invalid mod name \"" << modname << "\"" << std::endl;
+		return;
+	}
+
 	m_settings.setBool("load_mod_"+modname,false);
 	std::map<std::string,gui::IGUITreeViewNode*>::iterator it = 
 		m_nodes.find(modname);
--- a/src/guiConfigureWorld.h
+++ b/src/guiConfigureWorld.h
@ -1,6 +1,6 @@
 /*
-Minetest-c55
-Copyright (C) 2012 celeron55, Perttu Ahola <celeron55@gmail.com>
+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
--- a/src/guiConfirmMenu.cpp
+++ b/src/guiConfirmMenu.cpp
@ -1,6 +1,6 @@
 /*
-Minetest-c55
-Copyright (C) 2012 celeron55, Perttu Ahola <celeron55@gmail.com>
+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
--- a/src/guiConfirmMenu.h
+++ b/src/guiConfirmMenu.h
@ -1,6 +1,6 @@
 /*
-Minetest-c55
-Copyright (C) 2012 celeron55, Perttu Ahola <celeron55@gmail.com>
+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
--- a/src/guiCreateWorld.cpp
+++ b/src/guiCreateWorld.cpp
@ -1,6 +1,6 @@
 /*
-Minetest-c55
-Copyright (C) 2012 celeron55, Perttu Ahola <celeron55@gmail.com>
+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
--- a/src/guiCreateWorld.h
+++ b/src/guiCreateWorld.h
@ -1,6 +1,6 @@
 /*
-Minetest-c55
-Copyright (C) 2012 celeron55, Perttu Ahola <celeron55@gmail.com>
+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
--- a/src/guiDeathScreen.cpp
+++ b/src/guiDeathScreen.cpp
@ -1,6 +1,6 @@
 /*
-Minetest-c55
-Copyright (C) 2011 celeron55, Perttu Ahola <celeron55@gmail.com>
+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
--- a/Show More
+++ b/Show More