[pipeworks] Update and fix for #426

mods/pipeworks/autocrafter.lua

@@ -223,7 +223,7 @@ local function upgrade_autocrafter(pos, meta)
 			if not recipe then return end
 			for idx, stack in ipairs(recipe) do
 				if not stack:is_empty() then
-					minetest.item_drop(stack, "", pos)
+					minetest.add_item(pos, stack)
 					stack:set_count(1)
 					stack:set_wear(0)
 					inv:set_stack("recipe", idx, stack)

mods/pipeworks/compat.lua

@@ -15,6 +15,10 @@ minetest.override_item("default:furnace", {
 		insert_object = function(pos, node, stack, direction)
 			local meta = minetest.get_meta(pos)
 			local inv = meta:get_inventory()
+			local timer = minetest.get_node_timer(pos)
+			if not timer:is_started() then
+				timer:start(1.0)
+			end
 			if direction.y == 1 then
 				return inv:add_item("fuel",stack)
 			else
@@ -60,6 +64,10 @@ minetest.override_item("default:furnace_active", {
 		insert_object = function(pos,node,stack,direction)
 			local meta = minetest.get_meta(pos)
 			local inv = meta:get_inventory()
+			local timer = minetest.get_node_timer(pos)
+			if not timer:is_started() then
+				timer:start(1.0)
+			end
 			if direction.y == 1 then
 				return inv:add_item("fuel", stack)
 			else

mods/pipeworks/description.txt

@@ -0,0 +1 @@
+This mod uses nodeboxes to supply a complete set of 3D pipes and tubes, along devices that work with them.

mods/pipeworks/filter-injector.lua

@@ -28,7 +28,7 @@ end
 -- todo SOON: this function has *way too many* parameters
 local function grabAndFire(data,slotseq_mode,filtmeta,frominv,frominvname,frompos,fromnode,filterfor,fromtube,fromdef,dir,fakePlayer,all)
 	local sposes = {}
-	for spos,stack in ipairs(frominv:get_list(frominvname)) do
+	for spos,stack in ipairs(frominv:get_list(frominvname) or {}) do -- Modification made for https://github.com/MinetestForFun/server-minetestforfun/issues/426 (Mg|06/04/2016)
 		local matches
 		if filterfor == "" then
 			matches = stack:get_name() ~= ""

mods/pipeworks/item_transport.lua

@@ -249,7 +249,10 @@ luaentity.register_entity("pipeworks:tubed_item", {
 			if not found_next then
 				drop_pos = minetest.find_node_near(vector.add(self.start_pos, velocity), 1, "air")
 				if drop_pos then
-					minetest.item_drop(stack, "", drop_pos)
+					-- Using add_item instead of item_drop since this makes pipeworks backward
+					-- compatible with Minetest 0.4.13.
+					-- Using item_drop here makes Minetest 0.4.13 crash.
+					minetest.add_item(drop_pos, stack)
 					self:remove()
 					return
 				end

mods/pipeworks/mod.conf

@@ -0,0 +1 @@
+name = pipeworks

mods/pipeworks/sorting_tubes.lua

@@ -6,7 +6,7 @@ if pipeworks.enable_mese_tube then
 			local inv = meta:get_inventory()
 			for i = 1, 6 do
 				for _, stack in ipairs(inv:get_list("line"..i)) do
-					minetest.item_drop(stack, "", pos)
+					minetest.add_item(pos, stack)
 				end
 			end
 		end

mods/pipeworks/vacuum_tubes.lua

@@ -87,27 +87,21 @@ local tube_inject_item = pipeworks.tube_inject_item
 local get_objects_inside_radius = minetest.get_objects_inside_radius
 local function vacuum(pos, radius)
 	radius = radius + 0.5
-	local max_items = 0
 	for _, object in pairs(get_objects_inside_radius(pos, sqrt_3 * radius)) do
 		local lua_entity = object:get_luaentity()
 		if not object:is_player() and lua_entity and lua_entity.name == "__builtin:item" then
-			max_items = max_items + 1
+			local obj_pos = object:getpos()
-			if max_items > 50 then
+			local x1, y1, z1 = pos.x, pos.y, pos.z
-				object:remove()
+			local x2, y2, z2 = obj_pos.x, obj_pos.y, obj_pos.z
-			else
-				local obj_pos = object:getpos()
-				local x1, y1, z1 = pos.x, pos.y, pos.z
-				local x2, y2, z2 = obj_pos.x, obj_pos.y, obj_pos.z
 
-				if  x1 - radius <= x2 and x2 <= x1 + radius
+			if  x1 - radius <= x2 and x2 <= x1 + radius
-				and y1 - radius <= y2 and y2 <= y1 + radius
+			and y1 - radius <= y2 and y2 <= y1 + radius
-				and z1 - radius <= z2 and z2 <= z1 + radius then
+			and z1 - radius <= z2 and z2 <= z1 + radius then
-					if lua_entity.itemstring ~= "" then
+				if lua_entity.itemstring ~= "" then
-						tube_inject_item(pos, pos, vector.new(0, 0, 0), lua_entity.itemstring)
+					tube_inject_item(pos, pos, vector.new(0, 0, 0), lua_entity.itemstring)
-						lua_entity.itemstring = ""
+					lua_entity.itemstring = ""
-					end
-					object:remove()
 				end
+				object:remove()
 			end
 		end
 	end