a little more optimization, and sounds when placing nodes on builders and diggers

class_layout.lua

@@ -32,6 +32,10 @@ local get_node_image = function(pos, node)
 	return node_image
 end
 
+-- temporary pointsets used while searching
+local to_test = Pointset.create()
+local tested = Pointset.create()
+
 function DigtronLayout.create(pos, player)
 	local self = {}
 	setmetatable(self, DigtronLayout)
@@ -57,10 +61,6 @@ function DigtronLayout.create(pos, player)
 	self.extents.max_z = pos.z
 	self.extents.min_z = pos.z
 
-	-- temporary pointsets used while searching
-	local to_test = Pointset.create()
-	local tested = Pointset.create()
-
 	tested:set(pos.x, pos.y, pos.z, true)
 	to_test:set(pos.x + 1, pos.y, pos.z, true)
 	to_test:set(pos.x - 1, pos.y, pos.z, true)
@@ -168,6 +168,9 @@ function DigtronLayout.create(pos, player)
 	
 	digtron.award_layout(self, player) -- hook for achievements mod
 	
+	to_test:clear()
+	tested:clear()
+	
 	return self
 end
 

class_pointset.lua

@@ -17,6 +17,13 @@ function Pointset.create()
 	return set
 end
 
+function Pointset:clear()
+	local points = self.points
+	for k, v in pairs(points) do
+		points[k] = nil
+	end
+end
+
 function Pointset:set(x, y, z, value)
 	-- sets a value in the 3D array "points".
 	self.points[hash_node_position_values(x,y,z)] = value

nodes/node_builders.lua

@@ -53,8 +53,13 @@ local builder_formspec = function(pos, meta)
 end
 
 local builder_on_rightclick = function(pos, node, clicker, itemstack, pointed_thing)
-	if itemstack:get_definition().type == "node" and minetest.get_item_group(itemstack:get_name(), "digtron") > 0 then
+	local item_def = itemstack:get_definition()
-		return minetest.item_place_node(itemstack, clicker, pointed_thing)
+	if item_def.type == "node" and minetest.get_item_group(itemstack:get_name(), "digtron") > 0 then
+		local returnstack, success = minetest.item_place_node(itemstack, clicker, pointed_thing)
+		if success and item_def.sounds and item_def.sounds.place and item_def.sounds.place.name then
+			minetest.sound_play(item_def.sounds.place, {pos = pos})
+		end
+		return returnstack, success
 	end
 	local meta = minetest.get_meta(pos)	
 	minetest.show_formspec(clicker:get_player_name(),

nodes/node_diggers.lua

@@ -61,8 +61,13 @@ local intermittent_on_construct = function(pos)
 end
 
 local intermittent_on_rightclick = function(pos, node, clicker, itemstack, pointed_thing)
-	if itemstack:get_definition().type == "node" and minetest.get_item_group(itemstack:get_name(), "digtron") > 0 then
+	local item_def = itemstack:get_definition()
-		return minetest.item_place_node(itemstack, clicker, pointed_thing)
+	if item_def.type == "node" and minetest.get_item_group(itemstack:get_name(), "digtron") > 0 then
+		local returnstack, success = minetest.item_place_node(itemstack, clicker, pointed_thing)
+		if success and item_def.sounds and item_def.sounds.place and item_def.sounds.place.name then
+			minetest.sound_play(item_def.sounds.place, {pos = pos})
+		end
+		return returnstack, success
 	end
 	local meta = minetest.get_meta(pos)	
 	minetest.show_formspec(clicker:get_player_name(),

nodes/node_item_ejector.lua

@@ -31,7 +31,7 @@ local ejector_formspec = function(pos, meta)
 		"tooltip[autoeject;" .. S("When checked, will eject items automatically with every Digtron cycle.\nItem ejectors can always be operated manually by punching them.") .. "]"
 end
 
-local function eject_items(pos, node, player, eject_even_without_pipeworks)
+local function eject_items(pos, node, player, eject_even_without_pipeworks, layout)
 	local dir = minetest.facedir_to_dir(node.param2)
 	local destination_pos = vector.add(pos, dir)
 	local destination_node_name = minetest.get_node(destination_pos).name
@@ -54,7 +54,9 @@ local function eject_items(pos, node, player, eject_even_without_pipeworks)
 		return false
 	end	
 
-	local layout = DigtronLayout.create(pos, player)
+	if layout == nil then
+		layout = DigtronLayout.create(pos, player)
+	end
 
 	-- Build a list of all the items that builder nodes want to use.
 	local filter_items = {}
@@ -141,9 +143,9 @@ minetest.register_node("digtron:inventory_ejector", {
 		eject_items(pos, node, player, true)
 	end,
 	
-	execute_eject = function(pos, node, player)
+	execute_eject = function(pos, node, player, layout)
 		local meta = minetest.get_meta(pos)
-		eject_items(pos, node, player, meta:get_string("nonpipe") == "true")
+		eject_items(pos, node, player, meta:get_string("nonpipe") == "true", layout)
 	end,
 	
 	on_receive_fields = function(pos, formname, fields, sender)

util_execute_cycle.lua

@@ -337,7 +337,7 @@ digtron.execute_dig_cycle = function(pos, clicker)
 			local target = minetest.get_node(location.pos)
 			local targetdef = minetest.registered_nodes[target.name]
 			if targetdef.execute_eject ~= nil then
-				targetdef.execute_eject(location.pos, target, clicker)
+				targetdef.execute_eject(location.pos, target, clicker, layout)
 			else
 				minetest.log(string.format("%s has an ejector group but is missing execute_eject method! This is an error in mod programming, file a bug.", targetdef.name))
 			end