Wrench: Fix node registration from other mods

Thanks to cx384 for providing this input

concrete/locale/ja.txt

@@ -0,0 +1,9 @@
+# technic_concrete japanese translation
+# technic_concreteの日本語への翻訳
+# by damiemk
+
+Rebar = 鉄筋
+Concrete Block = コンクリートのブロック
+Blast-resistant Concrete Block = 耐爆性コンクリートのブロック
+Concrete Post Platform = コンクリートのプラットフォーム
+Concrete Post = コンクリートポスト

extranodes/locale/ja.txt

@@ -0,0 +1,8 @@
+# technic_extranodes japanese translation
+# technic_extranodesの日本語への翻訳
+# by damiemk
+
+Marble = 大理石
+Marble Bricks = 大理石のレンガ
+Granite = 花崗岩
+Concrete = コンクリート

manual.md

@@ -34,6 +34,11 @@ Note ¹: *These ores are provided by Minetest Game. See [Ores](https://wiki.mine
 
 Note ²: *These ores are provided by moreores. TODO: Add reference link*
 
+#### Chromium
+Use: stainless steel
+
+Generated below: -100m, more commonly below -200m
+
 #### Coal ¹
 Use: Fuel, alloy as carbon
 
@@ -41,33 +46,61 @@ Burning coal is a way to generate electrical power. Coal is also used,
 usually in dust form, as an ingredient in alloying recipes, wherever
 elemental carbon is required.
 
-#### Iron ¹
-Use: multiple, mainly for alloys with carbon (coal).
-
 #### Copper ¹
 Copper is a common metal, used either on its own for its electrical
 conductivity, or as the base component of alloys.
 Although common, it is very heavily used, and most of the time it will
 be the material that most limits your activity.
 
+#### Diamond ¹
+Use: mainly for cutting machines
+
+Diamond is a precious gemstone. It is used moderately, mainly for reasons
+connected to its extreme hardness.
+
+#### Gold ¹
+Use: various
+
+Generated below: -64m, more commonly below -256m
+
+Gold is a precious metal. It is most notably used in electrical items due to
+its combination of good conductivity and corrosion resistance.
+
+#### Iron ¹
+Use: multiple, mainly for alloys with carbon (coal).
+
+#### Lead
+Use: batteries, HV nuclear reactor layout
+
+Generated below: 16m, more common below -128m
+
+#### Mese ¹
+Use: various
+
+Mese is a precious gemstone, and unlike diamond it is entirely fictional.
+It is used in small quantities, wherever some magic needs to be imparted.
+
+#### Mithril ²
+Use: chests
+
+Generated below: -512m, evenly common
+
+Mithril is a fictional ore, being derived from J. R. R. Tolkien's
+Middle-Earth setting.  It is little used.
+
+#### Silver ²
+Use: conductors
+
+Generated below: -2m, evenly common
+
+Silver is a semi-precious metal and is the best conductor of all the pure elements.
+
 #### Tin ¹
 Use: batteries, bronze
 
 Tin is a common metal but is used rarely. Its abundance is well in excess
 of its usage, so you will usually have a surplus of it.
 
-#### Zinc
-Use: brass
-
-Generated below: 2m, more commonly below -32m
-
-Zinc only has a few uses but is a common metal.
-
-#### Chromium
-Use: stainless steel
-
-Generated below: -100m, more commonly below -200m
-
 #### Uranium
 Use: nuclear reactor fuel
 
@@ -79,40 +112,13 @@ shielding materials available.
 
 Keep a safety distance of a meter to avoid being harmed by radiation.
 
-#### Silver ²
-Use: conductors
+#### Zinc
+Use: brass
 
-Generated below: -2m, evenly common
+Generated below: 2m, more commonly below -32m
 
-Silver is a semi-precious metal and is the best conductor of all the pure elements.
+Zinc only has a few uses but is a common metal.
 
-#### Gold ¹
-Use: various
-
-Generated below: -64m, more commonly below -256m
-
-Gold is a precious metal. It is most notably used in electrical items due to
-its combination of good conductivity and corrosion resistance.
-
-#### Mithril ²
-Use: chests
-
-Generated below: -512m, evenly common
-
-Mithril is a fictional ore, being derived from J. R. R. Tolkien's
-Middle-Earth setting.  It is little used.
-
-#### Mese ¹
-Use: various
-
-Mese is a precious gemstone, and unlike diamond it is entirely fictional.
-It is used in small quantities, wherever some magic needs to be imparted.
-
-#### Diamond ¹
-Use: mainly for cutting machines
-
-Diamond is a precious gemstone. It is used moderately, mainly for reasons
-connected to its extreme hardness.
 
 ### 2.2 Rocks
 
@@ -136,6 +142,12 @@ Granite is found in dense clusters and is much harder to dig than standard
 stone. It has mainly decorative use, but also appears in a couple of
 machine recipes.
 
+#### Sulfur
+Uses: battery box
+
+Sulur is generated around some lava patches (caves).
+
+
 ### 2.3 Rubber
 Rubber is a biologically-derived material that has industrial uses due
 to its electrical resistivity and its impermeability.  In technic, it

modpack.conf

@@ -1 +1,3 @@
 name = technic
+description = technic
+min_minetest_version = 5.0

technic/README.md

@@ -1,14 +1,16 @@
-Technic
-=======
+# Technic (main mod)
 
-License
--------
+
+## License
+
+### Code
 
 Copyright (C) 2012-2014 Maciej Kasatkin (RealBadAngel)
 
 Technic chests code is licensed under the GNU LGPLv2+.
 
-Texture licenses:
+
+### Textures
 
 BlockMen modified by Zefram (CC BY-SA 3.0):
   * technic_chernobylite_block.png
@@ -24,15 +26,29 @@ sdzen (Elise Staudter) (CC BY-SA 3.0):
 leftshift (CC BY-SA 3.0):
   * technic_river_water_can.png
 
+Neuromancer vis Minetest Game (CC BY-SA 3.0)
+ * `technic_*_electric_furnace_*.png` (derived)
+
+[LB Photo Realism Reload](https://www.curseforge.com/minecraft/texture-packs/lb-photo-realism-reload) (CC 0)
+ * `technic_geothermal_*.png` (derived)
+ * `technic_water_mill_*.png` (derived)
+ * `technic_*_alloy_furnace_*.png` (derived)
+ * `technic_*_compressor_*.png` (derived)
+ * `technic_*_grinder_*.png` (derived)
+
 RealBadAngel: (WTFPL)
   * Everything else.
 
-CC BY-SA 3.0: <http://creativecommons.org/licenses/by-sa/3.0/>
 
-Sound licenses:
+### Sounds
 
 veikk0 (Veikko Mäkelä) (CC BY-SA 4.0):
   * technic_hv_nuclear_reactor_siren_danger_loop.ogg
     * Derived from "Nuclear alarm.wav" by Freesound.org user rene___ from <https://freesound.org/people/rene___/sounds/56778/>. Originally licensed under CC0 1.0 <https://creativecommons.org/publicdomain/zero/1.0/>
 
-CC BY-SA 4.0: <https://creativecommons.org/licenses/by-sa/4.0/>
+
+### References
+
+CC BY-SA 3.0: http://creativecommons.org/licenses/by-sa/3.0/
+
+CC BY-SA 4.0: https://creativecommons.org/licenses/by-sa/4.0/

technic/doc/api.md

@@ -35,6 +35,10 @@ Available functions:
 * `technic.is_tier_cable(nodename, tier)`
 	* Tells whether the node `nodename` is the cable of the tier `tier`.
 	* Short version of `technic.get_cable_tier(nodename) == tier`
+* `technic.register_cable_tier(nodename, tier)`
+	* Register user defined cable to list of known tier cables.
+	* `nodename`: string, name of the node
+	* `tier`: string, tier name
 
 
 ## Machines

technic/machines/LV/init.lua

@@ -22,3 +22,6 @@ dofile(path.."/extractor.lua")
 dofile(path.."/compressor.lua")
 
 dofile(path.."/music_player.lua")
+-- NEW LV LAMPS
+dofile(path.."/led.lua")
+dofile(path.."/lamp.lua")

technic/machines/LV/lamp.lua

@@ -0,0 +1,156 @@
+
+-- LV Lamp
+-- Illuminates a 7x7x3(H) volume below itself with light bright as the sun.
+
+
+local S = technic.getter
+
+local desc = S("@1 Lamp", S("LV"))
+local active_desc = S("@1 Active", desc)
+local unpowered_desc = S("@1 Unpowered", desc)
+local off_desc = S("@1 Off", desc)
+local demand = 50
+
+
+-- Invisible light source node used for illumination
+minetest.register_node("technic:dummy_light_source", {
+	description = S("Dummy light source node"),
+	inventory_image = "technic_dummy_light_source.png",
+	wield_image = "technic_dummy_light_source.png",
+	paramtype = "light",
+	drawtype = "airlike",
+	light_source = 14,
+	sunlight_propagates = true,
+	walkable = false,
+	buildable_to = true,
+	diggable = false,
+	pointable = false,
+	--drop = "",  -- Intentionally allowed to drop itself
+	groups = {not_in_creative_inventory = 1}
+})
+
+
+local function illuminate(pos, active)
+	local pos1 = {x = pos.x - 3, y = pos.y - 1, z = pos.z - 3}
+	local pos2 = {x = pos.x + 3, y = pos.y - 3, z = pos.z + 3}
+
+	local find_node = active and "air" or "technic:dummy_light_source"
+	local set_node = {name = (active and "technic:dummy_light_source" or "air")}
+
+	for _,p in pairs(minetest.find_nodes_in_area(pos1, pos2, find_node)) do
+		minetest.set_node(p, set_node)
+	end
+end
+
+local function lamp_run(pos, node)
+	local meta = minetest.get_meta(pos)
+
+	if meta:get_int("LV_EU_demand") == 0 then
+		return  -- Lamp is turned off
+	end
+
+	local eu_input = meta:get_int("LV_EU_input")
+
+	if node.name == "technic:lv_lamp_active" then
+		if eu_input < demand then
+			technic.swap_node(pos, "technic:lv_lamp")
+			meta:set_string("infotext", unpowered_desc)
+			illuminate(pos, false)
+		else
+			illuminate(pos, true)
+		end
+	elseif node.name == "technic:lv_lamp" then
+		if eu_input >= demand then
+			technic.swap_node(pos, "technic:lv_lamp_active")
+			meta:set_string("infotext", active_desc)
+			illuminate(pos, true)
+		end
+	end
+end
+
+local function lamp_toggle(pos, node, player)
+	if not player or minetest.is_protected(pos, player:get_player_name()) then
+		return
+	end
+	local meta = minetest.get_meta(pos)
+	if meta:get_int("LV_EU_demand") == 0 then
+		meta:set_string("infotext", active_desc)
+		meta:set_int("LV_EU_demand", demand)
+	else
+		illuminate(pos, false)
+		technic.swap_node(pos, "technic:lv_lamp")
+		meta:set_string("infotext", off_desc)
+		meta:set_int("LV_EU_demand", 0)
+	end
+end
+
+local common_fields = {
+	drawtype = "nodebox",
+	node_box = {
+		type = "fixed",
+		fixed = {0.5,0.5,0.5,-0.5,-0.2,-0.5}
+	},
+	tiles = {
+		"technic_lv_lamp_top.png",
+		"technic_lv_lamp_bottom.png",
+		"technic_lv_lamp_side.png",
+		"technic_lv_lamp_side.png",
+		"technic_lv_lamp_side.png",
+		"technic_lv_lamp_side.png"
+	},
+	connect_sides = {"front", "back", "left", "right", "top"},
+	can_dig = technic.machine_can_dig,
+	technic_run = lamp_run,
+	on_destruct = illuminate,
+	on_rightclick = lamp_toggle
+}
+
+local ndef
+
+ndef = {
+	description = desc,
+	groups = {cracky = 2, technic_machine = 1, technic_lv = 1},
+	on_construct = function(pos)
+		local meta = minetest.get_meta(pos)
+		meta:set_string("infotext", desc)
+		meta:set_int("LV_EU_demand", demand)
+	end
+}
+
+for k, v in pairs(common_fields) do
+	ndef[k] = v
+end
+
+minetest.register_node("technic:lv_lamp", ndef)
+
+
+ndef = {
+	description = active_desc,
+	paramtype = "light",
+	light_source = 14,
+	drop = "technic:lv_lamp",
+	groups = {cracky = 2, technic_machine = 1, technic_lv = 1, not_in_creative_inventory = 1},
+	technic_on_disable = function(pos)
+		illuminate(pos, false)
+		technic.swap_node(pos, "technic:lv_lamp")
+	end,
+}
+
+for k, v in pairs(common_fields) do
+	ndef[k] = v
+end
+
+minetest.register_node("technic:lv_lamp_active", ndef)
+
+
+technic.register_machine("LV", "technic:lv_lamp", technic.receiver)
+technic.register_machine("LV", "technic:lv_lamp_active", technic.receiver)
+
+minetest.register_craft({
+	output = "technic:lv_lamp",
+	recipe = {
+		{"default:glass", "default:glass", "default:glass"},
+		{"technic:lv_led", "technic:lv_led", "technic:lv_led"},
+		{"mesecons_materials:glue", "technic:lv_cable", "mesecons_materials:glue"},
+	}
+})

technic/machines/LV/led.lua

@@ -0,0 +1,95 @@
+-- LED
+-- Intended primarily as a core component for LED lamps.
+
+local S = technic.getter
+
+local desc = S("@1 LED", S("LV"))
+local active_desc = S("@1 Active", desc)
+local unpowered_desc = S("@1 Unpowered", desc)
+local demand = 5
+
+
+local function led_run(pos, node)
+	local meta = minetest.get_meta(pos)
+	local eu_input = meta:get_int("LV_EU_input")
+
+	if eu_input < demand and node.name == "technic:lv_led_active" then
+		technic.swap_node(pos, "technic:lv_led")
+		meta:set_string("infotext", unpowered_desc)
+	elseif eu_input >= demand and node.name == "technic:lv_led" then
+		technic.swap_node(pos, "technic:lv_led_active")
+		meta:set_string("infotext", active_desc)
+	end
+end
+
+local common_fields = {
+	drawtype = "nodebox",
+	node_box = {
+		type = "fixed",
+		fixed = {0.5, 0.5, 0.5, -0.5, 0.3, -0.5}
+	},
+	tiles = {
+		"technic_lv_led_top.png",
+		"technic_lv_led.png",
+		"technic_lv_led_side.png",
+		"technic_lv_led_side2.png",
+		"technic_lv_led_side2.png",
+		"technic_lv_led_side2.png",
+	},
+
+	connect_sides = {"front", "back", "left", "right", "top", "bottom"},
+	can_dig = technic.machine_can_dig,
+	technic_run = led_run,
+}
+
+local ndef
+
+ndef = {
+	description = desc,
+	inventory_image = "technic_lv_led_inv.png",
+	sunlight_propagates = true,
+	groups = {cracky = 2, technic_machine = 1, technic_lv = 1},
+
+	on_construct = function(pos)
+		local meta = minetest.get_meta(pos)
+		meta:set_string("infotext", desc)
+		meta:set_int("LV_EU_demand", demand)
+	end,
+}
+
+for k, v in pairs(common_fields) do
+	ndef[k] = v
+end
+
+minetest.register_node("technic:lv_led", ndef)
+
+
+ndef = {
+	description = active_desc,
+	paramtype = "light",
+	light_source = 9,
+	drop = "technic:lv_led",
+	groups = {cracky = 2, technic_machine = 1, technic_lv = 1, not_in_creative_inventory = 1},
+	technic_on_disable = function(pos)
+		technic.swap_node(pos, "technic:lv_led")
+	end,
+}
+
+for k, v in pairs(common_fields) do
+	ndef[k] = v
+end
+
+minetest.register_node("technic:lv_led_active", ndef)
+
+
+technic.register_machine("LV", "technic:lv_led", technic.receiver)
+technic.register_machine("LV", "technic:lv_led_active", technic.receiver)
+
+minetest.register_craft({
+	output = "technic:lv_led 2",
+	recipe = {
+		{"", "homedecor:plastic_sheeting", ""},
+		{"homedecor:plastic_sheeting", "technic:doped_silicon_wafer", "homedecor:plastic_sheeting"},
+		{"", "technic:fine_silver_wire", ""},
+	}
+})

technic/machines/register/battery_box.lua

@@ -192,10 +192,10 @@ function technic.register_battery_box(data)
 	end
 
 	local run = function(pos, node)
-		local below = minetest.get_node({x=pos.x, y=pos.y-1, z=pos.z})
 		local meta = minetest.get_meta(pos)
+		local network_id = tonumber(meta:get_string(tier.."_network"))
 
-		if not technic.is_tier_cable(below.name, tier) then
+		if not technic.networks[network_id] then
 			meta:set_string("infotext", S("%s Battery Box Has No Network"):format(tier))
 			return
 		end

technic/machines/register/cables.lua

@@ -11,6 +11,13 @@ function technic.get_cable_tier(name)
 	return cable_tier[name]
 end
 
+function technic.register_cable_tier(name, tier)
+	assert(technic.machines[tier], "Tier does not exist")
+	assert(type(name) == "string", "Invalid node name")
+
+	cable_tier[name] = tier
+end
+
 local function check_connections(pos)
 	-- Build a table of all machines
 	local machines = {}
@@ -60,7 +67,7 @@ local function clear_networks(pos)
 				local tier = network.tier
 
 				-- Actually add it to the (cached) network
-				-- This is similar to check_node_subp
+				-- !! IMPORTANT: ../switching_station.lua -> check_node_subp() must be kept in sync
 				technic.cables[minetest.hash_node_position(pos)] = network_id
 				pos.visited = 1
 				if technic.is_tier_cable(node.name, tier) then
@@ -69,7 +76,7 @@ local function clear_networks(pos)
 				elseif technic.machines[tier][node.name] then
 					-- Found a machine
 					local eu_type = technic.machines[tier][node.name]
-					meta:set_string(tier.."_network", minetest.pos_to_string(sw_pos))
+					meta:set_string(tier.."_network", string.format("%.20g", network_id))
 					if     eu_type == technic.producer then
 						table.insert(network.PR_nodes, pos)
 					elseif eu_type == technic.receiver then

technic/machines/register/grinder_recipes.lua

@@ -23,6 +23,8 @@ local recipes = {
 	{"technic:sulfur_lump",        "technic:sulfur_dust 2"},
 	{"default:stone",              "technic:stone_dust"},
 	{"default:sand",               "technic:stone_dust"},
+	{"default:desert_sand",        "technic:stone_dust"},
+	{"default:silver_sand",        "technic:stone_dust"},
 
 	-- Other
 	{"default:cobble",           "default:gravel"},

technic/machines/supply_converter.lua

@@ -120,7 +120,7 @@ local run = function(pos, node, run_stage)
 		return
 	end
 
-	local remain = 0.9
+	local efficiency = 0.9
 	-- Machine information
 	local machine_name  = S("Supply Converter")
 	local meta          = minetest.get_meta(pos)
@@ -133,7 +133,6 @@ local run = function(pos, node, run_stage)
 		enabled = enabled == "1"
 	end
 	enabled = enabled and (meta:get_int("mesecon_mode") == 0 or meta:get_int("mesecon_effect") ~= 0)
-	local demand = enabled and meta:get_int("power") or 0
 
 	local pos_up        = {x=pos.x, y=pos.y+1, z=pos.z}
 	local pos_down      = {x=pos.x, y=pos.y-1, z=pos.z}
@@ -144,14 +143,37 @@ local run = function(pos, node, run_stage)
 	local to   = technic.get_cable_tier(name_down)
 
 	if from and to then
-		local input = meta:get_int(from.."_EU_input")
-		meta:set_int(from.."_EU_demand", demand)
+		-- Get the "to" network switching station for EU demand calculation
+		local network_hash = technic.cables[minetest.hash_node_position(pos_down)]
+		local network = network_hash and minetest.get_position_from_hash(network_hash)
+		local sw_pos = network and {x=network.x,y=network.y+1,z=network.z}
+		local timeout = 0
+		for tier in pairs(technic.machines) do
+			-- Supply converter must be connected to a network
+			timeout = math.max(meta:get_int(tier.."_EU_timeout"), timeout)
+		end
+		if timeout > 0 and sw_pos and minetest.get_node(sw_pos).name == "technic:switching_station" then
+			local sw_meta = minetest.get_meta(sw_pos)
+			local demand = 0
+			if enabled then
+				-- Reverse evaluate the required machine and round to a nice number
+				demand = sw_meta:get_int("ba_demand") + sw_meta:get_int("demand")
+				demand = 100 * math.ceil(demand / efficiency / 100)
+				-- Do not draw more than the limit
+				demand = math.min(demand, meta:get_int("power"))
+			end
+
+			local input = meta:get_int(from.."_EU_input") -- actual input
+			meta:set_int(from.."_EU_demand", demand) -- desired input
 			meta:set_int(from.."_EU_supply", 0)
 			meta:set_int(to.."_EU_demand", 0)
-		meta:set_int(to.."_EU_supply", input * remain)
+			meta:set_int(to.."_EU_supply", input * efficiency)
 			meta:set_string("infotext", S("@1 (@2 @3 -> @4 @5)", machine_name,
 				technic.EU_string(input), from,
-			technic.EU_string(input * remain), to))
+				technic.EU_string(input * efficiency), to))
+		else
+			meta:set_string("infotext",S("%s Has No Network"):format(machine_name))
+		end
 	else
 		meta:set_string("infotext", S("%s Has Bad Cabling"):format(machine_name))
 		if to then

technic/machines/switching_station.lua

@@ -117,6 +117,7 @@ local function add_cable_node(nodes, pos, network_id, queue)
 end
 
 -- Generic function to add found connected nodes to the right classification array
+-- !! IMPORTANT: register/cables.lua -> clear_networks() must be kept in sync
 local check_node_subp = function(network, pos, machines, sw_pos, from_below, network_id, queue)
 	technic.get_or_load_node(pos)
 	local name = minetest.get_node(pos).name
@@ -133,7 +134,9 @@ local check_node_subp = function(network, pos, machines, sw_pos, from_below, net
 
 	--dprint(name.." is a "..machines[name])
 	local meta = minetest.get_meta(pos)
-	meta:set_string(network.tier.."_network", minetest.pos_to_string(sw_pos))
+	-- Normal tostring() does not have enough precision, neither does meta:set_int()
+	-- Lua 5.1 bug: Cannot use hexadecimal notation for compression (see LuaJIT #911)
+	meta:set_string(network.tier.."_network", string.format("%.20g", network_id))
 
 	if     eu_type == technic.producer then
 		add_network_node(network.PR_nodes, pos, network_id)
@@ -354,6 +357,8 @@ minetest.register_abm({
 			BA_eu_supply = BA_eu_supply + meta1:get_int(eu_supply_str)
 			BA_eu_demand = BA_eu_demand + meta1:get_int(eu_demand_str)
 		end
+		-- Expose value for the supply converter
+		meta:set_int("ba_demand", BA_eu_demand)
 		--dprint("Total BA supply:"..BA_eu_supply)
 		--dprint("Total BA demand:"..BA_eu_demand)
 

technic/tools/chainsaw.lua

@@ -1,338 +1,217 @@
 -- Configuration
 
 local chainsaw_max_charge      = 30000 -- Maximum charge of the saw
--- Gives 2500 nodes on a single charge (about 50 complete normal trees)
-local chainsaw_charge_per_node = 12
 -- Cut down tree leaves.  Leaf decay may cause slowness on large trees
 -- if this is disabled.
 local chainsaw_leaves = true
 
--- First value is node name; second is whether the node is considered even if chainsaw_leaves is false.
-local nodes = {
-	-- The default trees
-	{"default:acacia_tree", true},
-	{"default:aspen_tree", true},
-	{"default:jungletree", true},
-	{"default:papyrus", true},
-	{"default:cactus", true},
-	{"default:tree", true},
-	{"default:apple", true},
-	{"default:pine_tree", true},
-	{"default:acacia_leaves", false},
-	{"default:aspen_leaves", false},
-	{"default:leaves", false},
-	{"default:jungleleaves", false},
-	{"default:pine_needles", false},
+local chainsaw_efficiency = 0.95 -- Drops less items
 
-	-- The default bushes
-	{"default:acacia_bush_stem", true},
-	{"default:bush_stem", true},
-	{"default:pine_bush_stem", true},
-	{"default:acacia_bush_leaves", false},
-	{"default:blueberry_bush_leaves", false},
-	{"default:blueberry_bush_leaves_with_berries", false},
-	{"default:bush_leaves", false},
-	{"default:pine_bush_needles", false},
-
-	-- Rubber trees from moretrees or technic_worldgen if moretrees isn't installed
-	{"moretrees:rubber_tree_trunk_empty", true},
-	{"moretrees:rubber_tree_trunk", true},
-	{"moretrees:rubber_tree_leaves", false},
-
-	-- Support moretrees (trunk)
-	{"moretrees:acacia_trunk", true},
-	{"moretrees:apple_tree_trunk", true},
-	{"moretrees:beech_trunk", true},
-	{"moretrees:birch_trunk", true},
-	{"moretrees:cedar_trunk", true},
-	{"moretrees:date_palm_ffruit_trunk", true},
-	{"moretrees:date_palm_fruit_trunk", true},
-	{"moretrees:date_palm_mfruit_trunk", true},
-	{"moretrees:date_palm_trunk", true},
-	{"moretrees:fir_trunk", true},
-	{"moretrees:jungletree_trunk", true},
-	{"moretrees:oak_trunk", true},
-	{"moretrees:palm_trunk", true},
-	{"moretrees:palm_fruit_trunk", true},
-	{"moretrees:palm_fruit_trunk_gen", true},
-	{"moretrees:pine_trunk", true},
-	{"moretrees:poplar_trunk", true},
-	{"moretrees:sequoia_trunk", true},
-	{"moretrees:spruce_trunk", true},
-	{"moretrees:willow_trunk", true},
-	-- Support moretrees (leaves)
-	{"moretrees:acacia_leaves", false},
-	{"moretrees:apple_tree_leaves", false},
-	{"moretrees:beech_leaves", false},
-	{"moretrees:birch_leaves", false},
-	{"moretrees:cedar_leaves", false},
-	{"moretrees:date_palm_leaves", false},
-	{"moretrees:fir_leaves", false},
-	{"moretrees:fir_leaves_bright", false},
-	{"moretrees:jungletree_leaves_green", false},
-	{"moretrees:jungletree_leaves_yellow", false},
-	{"moretrees:jungletree_leaves_red", false},
-	{"moretrees:oak_leaves", false},
-	{"moretrees:palm_leaves", false},
-	{"moretrees:poplar_leaves", false},
-	{"moretrees:pine_leaves", false},
-	{"moretrees:sequoia_leaves", false},
-	{"moretrees:spruce_leaves", false},
-	{"moretrees:willow_leaves", false},
-	-- Support moretrees (fruit)
-	{"moretrees:acorn", false},
-	{"moretrees:apple_blossoms", false},
-	{"moretrees:cedar_cone", false},
-	{"moretrees:coconut", false},
-	{"moretrees:coconut_0", false},
-	{"moretrees:coconut_1", false},
-	{"moretrees:coconut_2", false},
-	{"moretrees:coconut_3", false},
-	{"moretrees:dates_f0", false},
-	{"moretrees:dates_f1", false},
-	{"moretrees:dates_f2", false},
-	{"moretrees:dates_f3", false},
-	{"moretrees:dates_f4", false},
-	{"moretrees:dates_fn", false},
-	{"moretrees:dates_m0", false},
-	{"moretrees:dates_n", false},
-	{"moretrees:fir_cone", false},
-	{"moretrees:pine_cone", false},
-	{"moretrees:spruce_cone", false},
-
-	-- Support growing_trees
-	{"growing_trees:trunk", true},
-	{"growing_trees:medium_trunk", true},
-	{"growing_trees:big_trunk", true},
-	{"growing_trees:trunk_top", true},
-	{"growing_trees:trunk_sprout", true},
-	{"growing_trees:branch_sprout", true},
-	{"growing_trees:branch", true},
-	{"growing_trees:branch_xmzm", true},
-	{"growing_trees:branch_xpzm", true},
-	{"growing_trees:branch_xmzp", true},
-	{"growing_trees:branch_xpzp", true},
-	{"growing_trees:branch_zz", true},
-	{"growing_trees:branch_xx", true},
-	{"growing_trees:leaves", false},
-
-	-- Support cool_trees
-	{"bamboo:trunk", true},
-	{"bamboo:leaves", false},
-	{"birch:trunk", true},
-	{"birch:leaves", false},
-	{"cherrytree:trunk", true},
-	{"cherrytree:blossom_leaves", false},
-	{"cherrytree:leaves", false},
-	{"chestnuttree:trunk", true},
-	{"chestnuttree:leaves", false},
-	{"clementinetree:trunk", true},
-	{"clementinetree:leaves", false},
-	{"ebony:trunk", true},
-	{"ebony:creeper", false},
-	{"ebony:creeper_leaves", false},
-	{"ebony:leaves", false},
-	{"jacaranda:trunk", true},
-	{"jacaranda:blossom_leaves", false},
-	{"larch:trunk", true},
-	{"larch:leaves", false},
-	{"lemontree:trunk", true},
-	{"lemontree:leaves", false},
-	{"mahogany:trunk", true},
-	{"mahogany:leaves", false},
-	{"palm:trunk", true},
-	{"palm:leaves", false},
-
-	-- Support growing_cactus
-	{"growing_cactus:sprout", true},
-	{"growing_cactus:branch_sprout_vertical", true},
-	{"growing_cactus:branch_sprout_vertical_fixed", true},
-	{"growing_cactus:branch_sprout_xp", true},
-	{"growing_cactus:branch_sprout_xm", true},
-	{"growing_cactus:branch_sprout_zp", true},
-	{"growing_cactus:branch_sprout_zm", true},
-	{"growing_cactus:trunk", true},
-	{"growing_cactus:branch_trunk", true},
-	{"growing_cactus:branch", true},
-	{"growing_cactus:branch_xp", true},
-	{"growing_cactus:branch_xm", true},
-	{"growing_cactus:branch_zp", true},
-	{"growing_cactus:branch_zm", true},
-	{"growing_cactus:branch_zz", true},
-	{"growing_cactus:branch_xx", true},
-
-	-- Support farming_plus
-	{"farming_plus:banana_leaves", false},
-	{"farming_plus:banana", false},
-	{"farming_plus:cocoa_leaves", false},
-	{"farming_plus:cocoa", false},
-
-	-- Support nature
-	{"nature:blossom", false},
-
-	-- Support snow
-	{"snow:needles", false},
-	{"snow:needles_decorated", false},
-	{"snow:star", false},
-
-	-- Support vines (also generated by moretrees if available)
-	{"vines:vines", false},
-
-	{"trunks:moss", false},
-	{"trunks:moss_fungus", false},
-	{"trunks:treeroot", false},
-
-	-- Support ethereal
-	{"ethereal:bamboo", true},
-	{"ethereal:bamboo_leaves", false},
-	{"ethereal:banana_trunk", true},
-	{"ethereal:bananaleaves", false},
-	{"ethereal:banana", false},
-	{"ethereal:birch_trunk", true},
-	{"ethereal:birch_leaves", false},
-	{"ethereal:frost_tree", true},
-	{"ethereal:frost_leaves", false},
-	{"ethereal:mushroom_trunk", true},
-	{"ethereal:mushroom", false},
-	{"ethereal:mushroom_pore", true},
-	{"ethereal:orangeleaves", false},
-	{"ethereal:orange", false},
-	{"ethereal:palm_trunk", true},
-	{"ethereal:palmleaves", false},
-	{"ethereal:coconut", false},
-	{"ethereal:redwood_trunk", true},
-	{"ethereal:redwood_leaves", false},
-	{"ethereal:sakura_trunk", true},
-	{"ethereal:sakura_leaves", false},
-	{"ethereal:sakura_leaves2", false},
-	{"ethereal:scorched_tree", true},
-	{"ethereal:willow_trunk", true},
-	{"ethereal:willow_twig", false},
-	{"ethereal:yellow_trunk", true},
-	{"ethereal:yellowleaves", false},
-	{"ethereal:golden_apple", false},
-}
-
-local timber_nodenames = {}
-for _, node in pairs(nodes) do
-	if chainsaw_leaves or node[2] then
-		timber_nodenames[node[1]] = true
-	end
-end
+-- Maximal dimensions of the tree to cut
+local tree_max_radius = 10
+local tree_max_height = 70
 
 local S = technic.getter
 
+--[[
+Format: [node_name] = dig_cost
+
+This table is filled automatically afterwards to support mods such as:
+
+	cool_trees
+	ethereal
+	moretrees
+]]
+local tree_nodes = {
+	-- For the sake of maintenance, keep this sorted alphabetically!
+	["default:acacia_bush_stem"] = -1,
+	["default:bush_stem"] = -1,
+	["default:pine_bush_stem"] = -1,
+
+	["default:cactus"] = -1,
+	["default:papyrus"] = -1,
+
+	-- dfcaves "fruits"
+	["df_trees:blood_thorn_spike"] = -1,
+	["df_trees:blood_thorn_spike_dead"] = -1,
+	["df_trees:tunnel_tube_fruiting_body"] = -1,
+
+	["ethereal:bamboo"] = -1,
+}
+
+-- Function to decide whether or not to cut a certain node (and at which energy cost)
+local function populate_costs(name, def)
+	repeat
+		if tree_nodes[name] == -1 then
+			tree_nodes[name] = nil
+			break -- Manually added, but need updating
+		end
+		if (def.groups.tree or 0) > 0 then
+			break -- Tree node
+		end
+		if (def.groups.leaves or 0) > 0 and chainsaw_leaves then
+			break -- Leaves
+		end
+		if (def.groups.leafdecay_drop or 0) > 0 then
+			break -- Food
+		end
+		return -- Abort function: do not dig this node
+
+	-- luacheck: push ignore 511
+	until 1
+	-- luacheck: pop
+
+	-- Function did not return! --> add content ID to the digging table
+	local content_id = minetest.get_content_id(name)
+
+	-- Get 12 in average
+	local cost = 0
+	if def.groups.choppy then
+		cost = def.groups.choppy * 5 -- trunks (usually 3 * 5)
+	elseif def.groups.snappy then
+		cost = def.groups.snappy * 2 -- leaves
+	end
+	tree_nodes[content_id] = math.max(4, cost)
+end
+
+minetest.register_on_mods_loaded(function()
+	local ndefs = minetest.registered_nodes
+	-- Populate hardcoded nodes
+	for name in pairs(tree_nodes) do
+		local ndef = ndefs[name]
+		if ndef and ndef.groups then
+			populate_costs(name, ndef)
+		end
+	end
+
+	-- Find all trees and leaves
+	for name, def in pairs(ndefs) do
+		if def.groups then
+			populate_costs(name, def)
+		end
+	end
+end)
+
+
 technic.register_power_tool("technic:chainsaw", chainsaw_max_charge)
 
--- This function checks if the specified node should be sawed
-local function check_if_node_sawed(pos)
-	local node_name = minetest.get_node(pos).name
-	if timber_nodenames[node_name]
-			or (chainsaw_leaves and minetest.get_item_group(node_name, "leaves") ~= 0)
-			or minetest.get_item_group(node_name, "tree") ~= 0 then
-		return true
+local pos9dir = {
+	{ 1, 0,  0},
+	{-1, 0,  0},
+	{ 0, 0,  1},
+	{ 0, 0, -1},
+	{ 1, 0,  1},
+	{-1, 0, -1},
+	{ 1, 0, -1},
+	{-1, 0,  1},
+	{ 0, 1,  0}, -- up
+}
+
+local cutter = {
+	-- See function cut_tree()
+}
+
+local c_air = minetest.get_content_id("air")
+local function dig_recursive(x, y, z)
+	local i = cutter.area:index(x, y, z)
+	if cutter.seen[i] then
+		return
+	end
+	cutter.seen[i] = 1 -- Mark as visited
+
+	if cutter.param2[i] ~= 0 then
+		-- Do not dig manually placed nodes
+		return
 	end
 
-	return false
+	local c_id = cutter.data[i]
+	local cost = tree_nodes[c_id]
+	if not cost or cost > cutter.charge then
+		return -- Cannot dig this node
 	end
 
--- Table for saving what was sawed down
-local produced = {}
+	-- Count dug nodes
+	cutter.drops[c_id] = (cutter.drops[c_id] or 0) + 1
+	cutter.seen[i] = 2 -- Mark as dug (for callbacks)
+	cutter.data[i] = c_air
+	cutter.charge = cutter.charge - cost
 
--- Save the items sawed down so that we can drop them in a nice single stack
-local function handle_drops(drops)
-	for _, item in ipairs(drops) do
-		local stack = ItemStack(item)
-		local name = stack:get_name()
-		local p = produced[name]
-		if not p then
-			produced[name] = stack
-		else
-			p:set_count(p:get_count() + stack:get_count())
+	-- Expand maximal bounds for area protection check
+	if x < cutter.minp.x then cutter.minp.x = x end
+	if y < cutter.minp.y then cutter.minp.y = y end
+	if z < cutter.minp.z then cutter.minp.z = z end
+	if x > cutter.maxp.x then cutter.maxp.x = x end
+	if y > cutter.maxp.y then cutter.maxp.y = y end
+	if z > cutter.maxp.z then cutter.maxp.z = z end
+
+	-- Traverse neighbors
+	local xn, yn, zn
+	for _, offset in ipairs(pos9dir) do
+		xn, yn, zn = x + offset[1], y + offset[2], z + offset[3]
+		if cutter.area:contains(xn, yn, zn) then
+			 dig_recursive(xn, yn, zn)
 		end
 	end
 end
 
---- Iterator over positions to try to saw around a sawed node.
--- This returns positions in a 3x1x3 area around the position, plus the
--- position above it.  This does not return the bottom position to prevent
--- the chainsaw from cutting down nodes below the cutting position.
--- @param pos Sawing position.
-local function iterSawTries(pos)
-	-- Copy position to prevent mangling it
-	local pos = vector.new(pos)
-	local i = 0
+local handle_drops
 
-	return function()
-		i = i + 1
-		-- Given a (top view) area like so (where 5 is the starting position):
-		-- X -->
-		-- Z 123
-		-- | 456
-		-- V 789
-		-- This will return positions 1, 4, 7, 2, 8 (skip 5), 3, 6, 9,
-		-- and the position above 5.
-		if i == 1 then
-			-- Move to starting position
-			pos.x = pos.x - 1
-			pos.z = pos.z - 1
-		elseif i == 4 or i == 7 then
-			-- Move to next X and back to start of Z when we reach
-			-- the end of a Z line.
-			pos.x = pos.x + 1
-			pos.z = pos.z - 2
-		elseif i == 5 then
-			-- Skip the middle position (we've already run on it)
-			-- and double-increment the counter.
-			pos.z = pos.z + 2
-			i = i + 1
-		elseif i <= 9 then
-			-- Go to next Z.
-			pos.z = pos.z + 1
-		elseif i == 10 then
-			-- Move back to center and up.
-			-- The Y+ position must be last so that we don't dig
-			-- straight upward and not come down (since the Y-
-			-- position isn't checked).
-			pos.x = pos.x - 1
-			pos.z = pos.z - 1
-			pos.y = pos.y + 1
-		else
-			return nil
-		end
-		return pos
-	end
+local function chainsaw_dig(player, pos, remaining_charge)
+	local minp = {
+		x = pos.x - (tree_max_radius + 1),
+		y = pos.y,
+		z = pos.z - (tree_max_radius + 1)
+	}
+	local maxp = {
+		x = pos.x + (tree_max_radius + 1),
+		y = pos.y + tree_max_height,
+		z = pos.z + (tree_max_radius + 1)
+	}
+
+	local vm = minetest.get_voxel_manip()
+	local emin, emax = vm:read_from_map(minp, maxp)
+
+	cutter = {
+		area = VoxelArea:new{MinEdge=emin, MaxEdge=emax},
+		data = vm:get_data(),
+		param2 = vm:get_param2_data(),
+		seen = {},
+		drops = {}, -- [content_id] = count
+		minp = vector.copy(pos),
+		maxp = vector.copy(pos),
+		charge = remaining_charge
+	}
+
+	dig_recursive(pos.x, pos.y, pos.z)
+
+	-- Check protection
+	local player_name = player:get_player_name()
+	if minetest.is_area_protected(cutter.minp, cutter.maxp, player_name, 6) then
+		minetest.chat_send_player(player_name, "The chainsaw cannot cut this tree. The cuboid " ..
+			minetest.pos_to_string(cutter.minp) .. ", " .. minetest.pos_to_string(cutter.maxp) ..
+			" contains protected nodes.")
+		minetest.record_protection_violation(pos, player_name)
+		return
 	end
 
--- This function does all the hard work. Recursively we dig the node at hand
--- if it is in the table and then search the surroundings for more stuff to dig.
-local function recursive_dig(pos, remaining_charge)
-	if remaining_charge < chainsaw_charge_per_node then
-		return remaining_charge
-	end
-	local node = minetest.get_node(pos)
+	minetest.sound_play("chainsaw", {
+		pos = pos,
+		gain = 1.0,
+		max_hear_distance = 20
+	})
 
-	if not check_if_node_sawed(pos) then
-		return remaining_charge
-	end
+	handle_drops(pos)
 
-	-- Wood found - cut it
-	handle_drops(minetest.get_node_drops(node.name, ""))
-	minetest.remove_node(pos)
-	remaining_charge = remaining_charge - chainsaw_charge_per_node
+	vm:set_data(cutter.data)
+	vm:write_to_map(true)
+	vm:update_map()
 
-	-- Check surroundings and run recursively if any charge left
-	for npos in iterSawTries(pos) do
-		if remaining_charge < chainsaw_charge_per_node then
-			break
-		end
-		if check_if_node_sawed(npos) then
-			remaining_charge = recursive_dig(npos, remaining_charge)
-		else
-			minetest.check_for_falling(npos)
+	-- Update falling nodes
+	for i, status in pairs(cutter.seen) do
+		if status == 2 then -- actually dug
+			minetest.check_for_falling(cutter.area:position(i))
 		end
 	end
-	return remaining_charge
 end
 
 -- Function to randomize positions for new node drops
@@ -369,30 +248,50 @@ local function get_drop_pos(pos)
 	return pos
 end
 
--- Chainsaw entry point
-local function chainsaw_dig(pos, current_charge)
-	-- Start sawing things down
-	local remaining_charge = recursive_dig(pos, current_charge)
-	minetest.sound_play("chainsaw", {pos = pos, gain = 1.0,
-			max_hear_distance = 10})
+local drop_inv = minetest.create_detached_inventory("technic:chainsaw_drops", {}, ":technic")
+handle_drops = function(pos)
+	local n_slots = 100
+	drop_inv:set_size("main", n_slots)
+	drop_inv:set_list("main", {})
 
-	-- Now drop items for the player
-	for name, stack in pairs(produced) do
-		-- Drop stacks of stack max or less
-		local count, max = stack:get_count(), stack:get_stack_max()
-		stack:set_count(max)
-		while count > max do
-			minetest.add_item(get_drop_pos(pos), stack)
-			count = count - max
+	-- Put all dropped items into the detached inventory
+	for c_id, count in pairs(cutter.drops) do
+		local name = minetest.get_name_from_content_id(c_id)
+
+		-- Add drops in bulk -> keep some randomness
+		while count > 0 do
+			local drops = minetest.get_node_drops(name, "")
+			-- higher numbers are faster but return uneven sapling counts
+			local decrement = math.ceil(count * 0.3)
+			decrement = math.min(count, math.max(5, decrement))
+
+			for _, stack in ipairs(drops) do
+				stack = ItemStack(stack)
+				local total = math.ceil(stack:get_count() * decrement * chainsaw_efficiency)
+				local stack_max = stack:get_stack_max()
+
+				-- Split into full stacks
+				while total > 0 do
+					local size = math.min(total, stack_max)
+					stack:set_count(size)
+					drop_inv:add_item("main", stack)
+					total = total - size
+				end
+			end
+			count = count - decrement
+		end
+	end
+
+	-- Drop in random places
+	for i = 1, n_slots do
+		local stack = drop_inv:get_stack("main", i)
+		if stack:is_empty() then
+			break
 		end
-		stack:set_count(count)
 		minetest.add_item(get_drop_pos(pos), stack)
 	end
 
-	-- Clean up
-	produced = {}
-
-	return remaining_charge
+	drop_inv:set_size("main", 0) -- free RAM
 end
 
 
@@ -408,8 +307,7 @@ minetest.register_tool("technic:chainsaw", {
 		end
 
 		local meta = minetest.deserialize(itemstack:get_metadata())
-		if not meta or not meta.charge or
-				meta.charge < chainsaw_charge_per_node then
+		if not meta or not meta.charge then
 			return
 		end
 
@@ -421,7 +319,11 @@ minetest.register_tool("technic:chainsaw", {
 
 		-- Send current charge to digging function so that the
 		-- chainsaw will stop after digging a number of nodes
-		meta.charge = chainsaw_dig(pointed_thing.under, meta.charge)
+		chainsaw_dig(user, pointed_thing.under, meta.charge)
+		meta.charge = cutter.charge
+
+		cutter = {} -- Free RAM
+
 		if not technic.creative_mode then
 			technic.set_RE_wear(itemstack, meta.charge, chainsaw_max_charge)
 			itemstack:set_metadata(minetest.serialize(meta))

technic_chests/common.lua

@@ -1,7 +1,7 @@
 technic.chests.groups = {snappy=2, choppy=2, oddly_breakable_by_hand=2,
-		tubedevice=1, tubedevice_receiver=1}
+		tubedevice=1, tubedevice_receiver=1, technic_chest=1}
 technic.chests.groups_noinv = {snappy=2, choppy=2, oddly_breakable_by_hand=2,
-		tubedevice=1, tubedevice_receiver=1, not_in_creative_inventory=1}
+		tubedevice=1, tubedevice_receiver=1, not_in_creative_inventory=1, technic_chest=1}
 
 technic.chests.tube = {
 	insert_object = function(pos, node, stack, direction)

technic_chests/locale/ja.txt

@@ -0,0 +1,41 @@
+# technic_chests japanese translation
+# technic_chestsの日本語への翻訳
+# by damiemk
+
+%s Chest = %s のチェスト
+%s Locked Chest = %s ロックされたチェスト
+%s Locked Chest (owned by %s) = %s のロックされたチェスト (%s が所有)
+Color Filter: %s = カラーフィルター: %s
+Edit chest description: = チェストの説明を編集する:
+
+# Colors
+Black = 黒
+Blue = 青
+Brown = 茶色
+Cyan = シアン
+Dark Green = 濃い緑色
+Dark Grey = 暗灰色 
+Green = 緑
+Grey = 灰色
+Magenta = マジェンタ
+Orange = 橙色
+Pink = 桃色
+Red = 赤
+Violet = 紫
+White = 白
+Yellow = 黄色
+None = デフォルト
+
+# Materials
+Copper = 銅
+Gold = 金
+Iron = 鉄
+Mithril = ミスリル
+Silver = 銀
+Wooden = 木造
+
+# Sorting
+Sort = 組織する
+Auto-sort is %s = 自動組織が %s になっている
+Off = オフ
+On = オン

technic_chests/register.lua

@@ -4,9 +4,10 @@ local pipeworks = rawget(_G, "pipeworks")
 local fs_helpers
 local tubelib_exists = minetest.global_exists("tubelib")
 
+local registered_chest_data = {} -- data passed to :register()
+
 local allow_label = ""
 local tube_entry = ""
-local shift_edit_field = 0
 
 if not minetest.get_modpath("pipeworks") then
 	-- Pipeworks is not installed. Simulate using a dummy table...
@@ -26,11 +27,11 @@ if not minetest.get_modpath("pipeworks") then
 	fs_helpers.cycling_button = function() return "" end
 else
 	fs_helpers = pipeworks.fs_helpers
-	allow_label = "label[0.9,0.36;Allow splitting incoming stacks from tubes]"
-	shift_edit_field = 3
+	allow_label = "Allow splitting incoming stacks from tubes"
 	tube_entry = "^pipeworks_tube_connection_metallic.png"
 end
 
+-- Change the appearance of the chest
 local chest_mark_colors = {
 	{"black", S("Black")},
 	{"blue", S("Blue")},
@@ -84,33 +85,43 @@ end
 
 local function set_formspec(pos, data, page)
 	local meta = minetest.get_meta(pos)
-	local formspec = data.base_formspec
-	formspec = formspec..fs_helpers.cycling_button(
+
+	-- Static formspec elements are in base_formspec
+	local fs = { data.base_formspec }
+
+	-- Pipeworks splitting setting
+	fs[#fs + 1] = fs_helpers.cycling_button(
 		meta,
-				"image_button[0,0.35;1,0.6",
+		"image_button[0,0.5;1,0.6",
 		"splitstacks",
 		{
 			pipeworks.button_off,
 			pipeworks.button_on
 		}
-			)..allow_label
+	)
 
 	if data.autosort then
 		local status = meta:get_int("autosort")
-		formspec = formspec.."button["..(data.hileft+2)..","..(data.height+1.1)..";3,0.8;autosort_to_"..(1-status)..";"..
-			S("Auto-sort is %s"):format(status == 1 and S("On") or S("Off")).."]"
+		fs[#fs + 1] = ("checkbox[%g,%g;autosort_to_%s;%s;%s]"):format(
+			data.hileft + 2.2, data.lotop - 1.15,
+			tostring(1 - status), S("Auto-sort upon exit"), tostring(status == 1))
 	end
+
 	if data.infotext then
 		local formspec_infotext = minetest.formspec_escape(meta:get_string("infotext"))
+
+		local button_fmt = "image_button[%g,0;0.8,0.8;%s;%s;]"
 		if page == "main" then
-			formspec = formspec.."image_button["..(shift_edit_field+data.hileft+2.1)..",0.1;0.8,0.8;"
-					.."technic_pencil_icon.png;edit_infotext;]"
-					.."label["..(shift_edit_field+data.hileft+3)..",0;"..formspec_infotext.."]"
+			fs[#fs + 1] = button_fmt:format(data.hileft + 6.1,
+				"technic_pencil_icon.png", "edit_infotext")
+
+			fs[#fs + 1] = "label["..(data.hileft+7.1)..",0.1;"..formspec_infotext.."]"
 		elseif page == "edit_infotext" then
-			formspec = formspec.."image_button["..(shift_edit_field+data.hileft+2.1)..",0.1;0.8,0.8;"
-					.."technic_checkmark_icon.png;save_infotext;]"
-					.."field["..(shift_edit_field+data.hileft+3.3)..",0.2;4.8,1;"
-					.."infotext_box;"..S("Edit chest description:")..";"
+			fs[#fs + 1] = button_fmt:format(data.hileft + 6.1,
+				"technic_checkmark_icon.png", "save_infotext")
+
+			fs[#fs + 1] = "field["..(data.hileft+7.3)..",0.2;4,1;"
+					.."infotext_box;;"
 					..formspec_infotext.."]"
 		end
 	end
@@ -122,9 +133,9 @@ local function set_formspec(pos, data, page)
 		else
 			colorName = S("None")
 		end
-		formspec = formspec.."label["..(data.coleft+0.2)..","..(data.lotop+3)..";"..S("Color Filter: %s"):format(colorName).."]"
+		fs[#fs + 1] = "label["..(data.coleft+0.2)..","..(data.lotop+3)..";"..S("Color Filter: %s"):format(colorName).."]"
 	end
-	meta:set_string("formspec", formspec)
+	meta:set_string("formspec", table.concat(fs))
 end
 
 local function sort_inventory(inv)
@@ -171,6 +182,7 @@ local function get_receive_fields(name, data)
 
 		if fields.sort or (data.autosort and fields.quit and meta:get_int("autosort") == 1) then
 			sort_inventory(meta:get_inventory())
+			return -- No formspec update
 		end
 		if fields.edit_infotext then
 			page = "edit_infotext"
@@ -191,7 +203,6 @@ local function get_receive_fields(name, data)
 			fs_helpers.on_receive_fields(pos, fields)
 		end
 
-		meta:get_inventory():set_size("main", data.width * data.height)
 		set_formspec(pos, data, page)
 	end
 end
@@ -199,10 +210,8 @@ end
 function technic.chests:definition(name, data)
 	local lname = name:lower()
 	name = S(name)
-	local d = {}
-	for k, v in pairs(data) do d[k] = v end
-	data = d
 
+	-- Calculate formspec positions
 	data.lowidth = 8
 	data.ovwidth = math.max(data.lowidth, data.width)
 	data.hileft = (data.ovwidth - data.width) / 2
@@ -222,23 +231,29 @@ function technic.chests:definition(name, data)
 	data.lotop = data.height + 2
 	data.ovheight = data.lotop + 4
 
-	local front = {"technic_"..lname.."_chest_front.png"}
-	data.base_formspec = "size["..data.ovwidth..","..data.ovheight.."]"..
-			"label[0,0;"..S("%s Chest"):format(name).."]"..
-			"list[context;main;"..data.hileft..",1;"..data.width..","..data.height..";]"..
-			"list[current_player;main;"..data.loleft..","..data.lotop..";8,4;]"..
-			"background[-0.19,-0.25;"..(data.ovwidth+0.4)..","..(data.ovheight+0.75)..";technic_chest_form_bg.png]"..
-			"background["..data.hileft..",1;"..data.width..","..data.height..";technic_"..lname.."_chest_inventory.png]"..
-			"background["..data.loleft..","..data.lotop..";8,4;technic_main_inventory.png]"..
+	-- Set up constant formspec fields
+	local fs = {
+		"size["..data.ovwidth..","..data.ovheight.."]",
+		"label[0,0;"..S("%s Chest"):format(name).."]",
+		"list[context;main;"..data.hileft..",1;"..data.width..","..data.height..";]",
+		"list[current_player;main;"..data.loleft..","..data.lotop..";8,4;]",
 		"listring[]"
+	}
+	if #allow_label > 0 then
+		fs[#fs + 1] = ("label[0.9,0.5;%s]"):format(allow_label)
+	end
+
+	if data.color then
+		fs[#fs + 1] = get_color_buttons(data.coleft, data.lotop)
+	end
 
 	if data.sort then
-		data.base_formspec = data.base_formspec.."button["..data.hileft..","..(data.height+1.1)..";1,0.8;sort;"..S("Sort").."]"
-	end
-	if data.color then
-		data.base_formspec = data.base_formspec..get_color_buttons(data.coleft, data.lotop)
+		fs[#fs + 1] = ("button[%g,%g;2,0.7;sort;%s]"):format(
+			data.hileft, data.lotop - 1, S("Sort now"))
 	end
+	data.base_formspec = table.concat(fs)
 
+	local front = {"technic_"..lname.."_chest_front.png"}
 	local locked_after_place
 	if data.locked then
 		locked_after_place = function(pos, placer)
@@ -372,10 +387,12 @@ local _TUBELIB_CALLBACKS = {
 }
 
 function technic.chests:register(name, data)
+	data = table.copy(data) -- drop reference
 	local def = technic.chests:definition(name, data)
 
 	local nn = "technic:"..name:lower()..(data.locked and "_locked" or "").."_chest"
 	minetest.register_node(":"..nn, def)
+	registered_chest_data[nn] = data
 
 	if tubelib_exists then
 		tubelib.register_node(nn, {}, _TUBELIB_CALLBACKS)
@@ -397,7 +414,11 @@ function technic.chests:register(name, data)
 			colordef.drop = nn
 			colordef.groups = self.groups_noinv
 			colordef.tiles = { def.tiles[1], def.tiles[2], def.tiles[3], def.tiles[4], def.tiles[5], mk_front("technic_chest_overlay"..postfix..".png") }
-			minetest.register_node(":"..nn..postfix, colordef)
+
+			local new_name = nn .. postfix
+			minetest.register_node(":" .. new_name, colordef)
+			registered_chest_data[new_name] = data -- for all colors
+
 			if tubelib_exists then
 				tubelib.register_node(nn..postfix, {}, _TUBELIB_CALLBACKS)
 			end
@@ -405,3 +426,15 @@ function technic.chests:register(name, data)
 	end
 end
 
+
+-- Migration of chest formspecs
+-- Group is specified in common.lua
+minetest.register_lbm({
+	label = "technic_chests formspec upgrade",
+	name = "technic_chests:upgrade_formspec",
+	nodenames = {"group:technic_chest"},
+	run_at_every_load = false,
+	action = function(pos, node)
+		set_formspec(pos, registered_chest_data[node.name], "main")
+	end
+})

wrench/init.lua

@@ -69,6 +69,8 @@ local function restore(pos, placer, itemstack)
 	return itemstack
 end
 
+minetest.register_on_mods_loaded(function()
+	-- Delayed registration for foreign mod support
 	for name, info in pairs(wrench.registered_nodes) do
 		local olddef = minetest.registered_nodes[name]
 		if olddef then
@@ -86,6 +88,7 @@ for name, info in pairs(wrench.registered_nodes) do
 			minetest.register_node(":"..get_pickup_name(name), newdef)
 		end
 	end
+end)
 
 minetest.register_tool("wrench:wrench", {
 	description = S("Wrench"),

wrench/locale/ja.txt

@@ -0,0 +1,6 @@
+# technic_wrench japanese translation
+# technic_wrenchの日本語への翻訳
+# by damiemk
+
+Wrench = レンチ
+%s with items = アイテム付きレンチ %s