restructured

basic_machines/autocrafter.lua

@@ -0,0 +1,415 @@
+--[[
+
+	TechAge
+	=======
+
+	Copyright (C) 2019 Joachim Stolberg
+
+	LGPLv2.1+
+	See LICENSE.txt for more information
+
+	The autocrafter is derived from pipeworks: 
+	Copyright (C) 2004 Sam Hocevar <sam@hocevar.net>  WTFPL
+	
+	TA2/TA3/TA4 Autocrafter
+	
+]]--
+
+-- for lazy programmers
+local S = function(pos) if pos then return minetest.pos_to_string(pos) end end
+local P = minetest.string_to_pos
+local M = minetest.get_meta
+-- Techage Related Data
+local TRD = function(pos) return (minetest.registered_nodes[minetest.get_node(pos).name] or {}).techage end
+
+-- Load support for intllib.
+local MP = minetest.get_modpath("techage")
+local I,_ = dofile(MP.."/intllib.lua")
+
+local STANDBY_TICKS = 10
+local COUNTDOWN_TICKS = 10
+local CYCLE_TIME = 4
+
+local function formspec(self, pos, mem)
+	return "size[8,9.2]"..
+		default.gui_bg..
+		default.gui_bg_img..
+		default.gui_slots..
+		"list[context;recipe;0,0;3,3;]"..
+		"image[2.9,1;1,1;techage_form_arrow.png]"..
+		"image[3.8,0;1,1;"..techage.get_power_image(pos, mem).."]"..
+		"list[context;output;3.8,1;1,1;]"..
+		"image_button[3.8,2;1,1;".. self:get_state_button_image(mem) ..";state_button;]"..
+		"list[context;src;0,3.2;8,2;]"..
+		"list[context;dst;5,0;3,3;]"..
+		"list[current_player;main;0,5.4;8,4;]" ..
+		"listring[current_player;main]"..
+		"listring[context;src]" ..
+		"listring[current_player;main]"..
+		"listring[context;dst]" ..
+		"listring[current_player;main]"..
+		default.get_hotbar_bg(0, 4)
+end
+
+local function count_index(invlist)
+	local index = {}
+	for _, stack in pairs(invlist) do
+		if not stack:is_empty() then
+			local stack_name = stack:get_name()
+			index[stack_name] = (index[stack_name] or 0) + stack:get_count()
+		end
+	end
+	return index
+end
+
+-- caches some recipe data
+local autocrafterCache = {}  
+
+local function get_craft(pos, inventory, hash)
+	hash = hash or minetest.hash_node_position(pos)
+	local craft = autocrafterCache[hash]
+	if not craft then
+		local recipe = inventory:get_list("recipe")
+		local output, decremented_input = minetest.get_craft_result(
+				{method = "normal", width = 3, items = recipe})
+		craft = {recipe = recipe, consumption=count_index(recipe), 
+				output = output, decremented_input = decremented_input}
+		autocrafterCache[hash] = craft
+	end
+	return craft
+end
+
+local function autocraft(pos, trd, mem, inventory, craft)
+	if not craft then return false end
+	local output_item = craft.output.item
+
+	-- check if we have enough room in dst
+	if not inventory:room_for_item("dst", output_item) then	
+		trd.State:blocked(pos, mem)
+		return
+	end
+	local consumption = craft.consumption
+	local inv_index = count_index(inventory:get_list("src"))
+	-- check if we have enough material available
+	for itemname, number in pairs(consumption) do
+		if (not inv_index[itemname]) or inv_index[itemname] < number then 
+			trd.State:idle(pos, mem)
+			return 
+		end
+	end
+	-- consume material
+	for itemname, number in pairs(consumption) do
+		for i = 1, number do -- We have to do that since remove_item does not work if count > stack_max
+			inventory:remove_item("src", ItemStack(itemname))
+		end
+	end
+
+	-- craft the result into the dst inventory and add any "replacements" as well
+	inventory:add_item("dst", output_item)
+	for i = 1, 9 do
+		inventory:add_item("dst", craft.decremented_input.items[i])
+	end
+	
+	trd.State:keep_running(pos, mem, COUNTDOWN_TICKS)
+end
+
+
+local function keep_running(pos, elapsed)
+	local mem = tubelib2.get_mem(pos)
+	local trd = TRD(pos)
+	local inv = M(pos):get_inventory()
+	local craft = get_craft(pos, inv)
+	local output_item = craft.output.item
+	autocraft(pos, trd, mem, inv, craft)
+	return trd.State:is_active(mem)
+end
+
+-- note, that this function assumes allready being updated to virtual items
+-- and doesn't handle recipes with stacksizes > 1
+local function after_recipe_change(pos, inventory)
+	local mem = tubelib2.get_mem(pos)
+	local trd = TRD(pos)
+	-- if we emptied the grid, there's no point in keeping it running or cached
+	if inventory:is_empty("recipe") then
+		autocrafterCache[minetest.hash_node_position(pos)] = nil
+		inventory:set_stack("output", 1, "")
+		trd.State:stop(pos, mem)
+		return
+	end
+	local recipe = inventory:get_list("recipe")
+
+	local hash = minetest.hash_node_position(pos)
+	local craft = autocrafterCache[hash]
+
+	if craft then
+		-- check if it changed
+		local cached_recipe = craft.recipe
+		for i = 1, 9 do
+			if recipe[i]:get_name() ~= cached_recipe[i]:get_name() then
+				autocrafterCache[hash] = nil -- invalidate recipe
+				craft = nil
+				break
+			end
+		end
+	end
+
+	craft = craft or get_craft(pos, inventory, hash)
+	local output_item = craft.output.item
+	inventory:set_stack("output", 1, output_item)
+	trd.State:stop(pos, mem)
+end
+
+-- clean out unknown items and groups, which would be handled like unknown items in the crafting grid
+-- if minetest supports query by group one day, this might replace them
+-- with a canonical version instead
+local function normalize(item_list)
+	for i = 1, #item_list do
+		local name = item_list[i]
+		if not minetest.registered_items[name] then
+			item_list[i] = ""
+		end
+	end
+	return item_list
+end
+
+local function on_output_change(pos, inventory, stack)
+	if not stack then
+		inventory:set_list("output", {})
+		inventory:set_list("recipe", {})
+	else
+		local input = minetest.get_craft_recipe(stack:get_name())
+		if not input.items or input.type ~= "normal" then return end
+		local items, width = normalize(input.items), input.width
+		local item_idx, width_idx = 1, 1
+		for i = 1, 9 do
+			if width_idx <= width then
+				inventory:set_stack("recipe", i, items[item_idx])
+				item_idx = item_idx + 1
+			else
+				inventory:set_stack("recipe", i, ItemStack(""))
+			end
+			width_idx = (width_idx < 3) and (width_idx + 1) or 1
+		end
+		-- we'll set the output slot in after_recipe_change to the actual result of the new recipe
+	end
+	after_recipe_change(pos, inventory)
+end
+
+
+local function allow_metadata_inventory_put(pos, listname, index, stack, player)
+	if minetest.is_protected(pos, player:get_player_name()) then
+		return 0
+	end
+	local inv = minetest.get_meta(pos):get_inventory()
+	local trd = TRD(pos)
+	if listname == "recipe" then
+		stack:set_count(1)
+		inv:set_stack(listname, index, stack)
+		after_recipe_change(pos, inv)
+		return 0
+	elseif listname == "output" then
+		on_output_change(pos, inv, stack)
+		return 0
+	elseif listname == "src" and trd.State:get_state(M(pos)) == techage.STANDBY then
+		trd.State:start(pos, M(pos))
+	end
+	return stack:get_count()
+end
+
+local function allow_metadata_inventory_take(pos, listname, index, stack, player)
+	if minetest.is_protected(pos, player:get_player_name()) then
+		return 0
+	end
+--		upgrade_autocrafter(pos)
+	local inv = minetest.get_meta(pos):get_inventory()
+	if listname == "recipe" then
+		inv:set_stack(listname, index, ItemStack(""))
+		after_recipe_change(pos, inv)
+		return 0
+	elseif listname == "output" then
+		on_output_change(pos, inv, nil)
+		return 0
+	end
+	return stack:get_count()
+end
+
+local function allow_metadata_inventory_move(pos, from_list, from_index, to_list, to_index, count, player)
+	if minetest.is_protected(pos, player:get_player_name()) then
+		return 0
+	end
+	local inv = minetest.get_meta(pos):get_inventory()
+	local stack = inv:get_stack(from_list, from_index)
+
+	if to_list == "output" then
+		on_output_change(pos, inv, stack)
+		return 0
+	elseif from_list == "output" then
+		on_output_change(pos, inv, nil)
+		if to_list ~= "recipe" then
+			return 0
+		end -- else fall through to recipe list handling
+	end
+
+	if from_list == "recipe" or to_list == "recipe" then
+		if from_list == "recipe" then
+			inv:set_stack(from_list, from_index, ItemStack(""))
+		end
+		if to_list == "recipe" then
+			stack:set_count(1)
+			inv:set_stack(to_list, to_index, stack)
+		end
+		after_recipe_change(pos, inv)
+		return 0
+	end
+
+	return count
+end
+
+local function on_receive_fields(pos, formname, fields, player)
+	if minetest.is_protected(pos, player:get_player_name()) then
+		return
+	end
+	local mem = tubelib2.get_mem(pos)
+	TRD(pos).State:state_button_event(pos, mem, fields)
+end
+
+local function can_dig(pos, player)
+	if minetest.is_protected(pos, player:get_player_name()) then
+		return false
+	end
+	local inv = M(pos):get_inventory()
+	return inv:is_empty("dst") and inv:is_empty("src")
+end
+
+local tiles = {}
+-- '#' will be replaced by the stage number
+-- '{power}' will be replaced by the power PNG
+tiles.pas = {
+	-- up, down, right, left, back, front
+	"techage_filling_ta#.png^techage_appl_autocrafter.png^techage_frame_ta#_top.png",
+	"techage_filling_ta#.png^techage_frame_ta#.png",
+	"techage_filling_ta#.png^techage_frame_ta#.png^techage_appl_outp.png",
+	"techage_filling_ta#.png^techage_frame_ta#.png^techage_appl_inp.png",
+	"techage_filling_ta#.png^techage_appl_autocrafter.png^techage_frame_ta#.png",
+	"techage_filling_ta#.png^techage_appl_autocrafter.png^techage_frame_ta#.png",
+}
+tiles.act = {
+	-- up, down, right, left, back, front
+	{
+		image = "techage_filling4_ta#.png^techage_appl_autocrafter4.png^techage_frame4_ta#_top.png",
+		backface_culling = false,
+		animation = {
+			type = "vertical_frames",
+			aspect_w = 32,
+			aspect_h = 32,
+			length = 0.5,
+		},
+	},
+	"techage_filling_ta#.png^techage_frame_ta#.png",
+	"techage_filling_ta#.png^techage_frame_ta#.png^techage_appl_outp.png",
+	"techage_filling_ta#.png^techage_frame_ta#.png^techage_appl_inp.png",
+	{
+		image = "techage_filling4_ta#.png^techage_appl_autocrafter4.png^techage_frame4_ta#.png",
+		backface_culling = false,
+		animation = {
+			type = "vertical_frames",
+			aspect_w = 32,
+			aspect_h = 32,
+			length = 0.5,
+		},
+	},
+	{
+		image = "techage_filling4_ta#.png^techage_appl_autocrafter4.png^techage_frame4_ta#.png",
+		backface_culling = false,
+		animation = {
+			type = "vertical_frames",
+			aspect_w = 32,
+			aspect_h = 32,
+			length = 0.5,
+		},
+	},
+}
+tiles.def = {
+	-- up, down, right, left, back, front
+	"techage_filling_ta#.png^techage_appl_autocrafter.png^techage_frame_ta#_top.png",
+	"techage_filling_ta#.png^techage_frame_ta#.png",
+	"techage_filling_ta#.png^techage_frame_ta#.png^techage_appl_outp.png^techage_appl_defect.png",
+	"techage_filling_ta#.png^techage_frame_ta#.png^techage_appl_inp.png^techage_appl_defect.png",
+	"techage_filling_ta#.png^techage_appl_autocrafter.png^techage_frame_ta#.png^techage_appl_defect.png",
+	"techage_filling_ta#.png^techage_appl_autocrafter.png^techage_frame_ta#.png^techage_appl_defect.png",
+}
+
+local tubing = {
+	on_pull_item = function(pos, in_dir, num)
+		local meta = minetest.get_meta(pos)
+		if meta:get_int("pull_dir") == in_dir then
+			local inv = M(pos):get_inventory()
+			return techage.get_items(inv, "dst", num)
+		end
+	end,
+	on_push_item = function(pos, in_dir, stack)
+		local meta = minetest.get_meta(pos)
+		if meta:get_int("push_dir") == in_dir  or in_dir == 5 then
+			local inv = M(pos):get_inventory()
+			return techage.put_items(inv, "src", stack)
+		end
+	end,
+	on_unpull_item = function(pos, in_dir, stack)
+		local meta = minetest.get_meta(pos)
+		if meta:get_int("pull_dir") == in_dir then
+			local inv = M(pos):get_inventory()
+			return techage.put_items(inv, "dst", stack)
+		end
+	end,
+	on_recv_message = function(pos, topic, payload)
+		local resp = TRD(pos).State:on_receive_message(pos, topic, payload)
+		if resp then
+			return resp
+		else
+			return "unsupported"
+		end
+	end,
+	on_node_load = function(pos)
+		TRD(pos).State:on_node_load(pos)
+	end,
+	on_node_repair = function(pos)
+		return TRD(pos).State:on_node_repair(pos)
+	end,
+}
+
+local node_name_ta2, node_name_ta3, node_name_ta4 = 
+	techage.register_consumer("autocrafter", I("Autocrafter"), tiles, {
+		drawtype = "normal",
+		cycle_time = CYCLE_TIME,
+		standby_ticks = STANDBY_TICKS,
+		has_item_meter = true,
+		aging_factor = 10,
+		formspec = formspec,
+		tubing = tubing,
+		after_place_node = function(pos, placer)
+			local inv = M(pos):get_inventory()
+			inv:set_size("src", 2*8)
+			inv:set_size("recipe", 3*3)
+			inv:set_size("dst", 3*3)
+			inv:set_size("output", 1)
+		end,
+		can_dig = can_dig,
+		node_timer = keep_running,
+		on_receive_fields = on_receive_fields,
+		allow_metadata_inventory_put = allow_metadata_inventory_put,
+		allow_metadata_inventory_move = allow_metadata_inventory_move,
+		allow_metadata_inventory_take = allow_metadata_inventory_take,
+		groups = {choppy=2, cracky=2, crumbly=2},
+		sounds = default.node_sound_wood_defaults(),
+		num_items = {0,1,2,4},
+		power_consumption = {0,2,3,4},
+	})
+
+minetest.register_craft({
+	output = node_name_ta2,
+	recipe = {
+		{"group:wood", "default:diamond", "group:wood"},
+		{"techage:tubeS", "basic_materials:gear_steel", "techage:tubeS"},
+		{"group:wood", "techage:iron_ingot", "group:wood"},
+	},
+})

basic_machines/basalt.lua

@@ -0,0 +1,85 @@
+--[[
+
+	TechAge
+	=======
+
+	Copyright (C) 2019 Joachim Stolberg
+
+	LGPLv2.1+
+	See LICENSE.txt for more information
+	
+	Basalt as result from the lava/water generator
+	
+]]--
+
+
+-- Replace default:stone with techage:basalt which is less valuable for ore generation.
+default.cool_lava = function(pos, node)
+	if node.name == "default:lava_source" then
+		minetest.set_node(pos, {name = "default:obsidian"})
+	else -- Lava flowing
+		minetest.set_node(pos, {name = "techage:basalt_stone"})
+	end
+	minetest.sound_play("default_cool_lava",
+		{pos = pos, max_hear_distance = 16, gain = 0.25})
+end
+
+minetest.register_node("techage:basalt_stone", {
+	description = "Basalt Stone",
+	tiles = {"default_stone.png^[brighten"},
+	groups = {cracky = 3, stone = 1},
+	drop = "default:silver_sand",
+	sounds = default.node_sound_stone_defaults(),
+})
+minetest.register_node("techage:basalt_stone_brick", {
+	description = "Basalt Stone Brick",
+	paramtype2 = "facedir",
+	place_param2 = 0,
+	tiles = {"default_stone_brick.png^[brighten"},
+	is_ground_content = false,
+	groups = {cracky = 2, stone = 1},
+	sounds = default.node_sound_stone_defaults(),
+})
+
+minetest.register_node("techage:basalt_stone_block", {
+	description = "Basalt Stone Block",
+	tiles = {"default_stone_block.png^[brighten"},
+	is_ground_content = false,
+	groups = {cracky = 2, stone = 1},
+	sounds = default.node_sound_stone_defaults(),
+})
+
+minetest.register_node("techage:basalt_gravel", {
+	description = "Basalt Gravel",
+	tiles = {"default_gravel.png^[brighten"},
+	groups = {crumbly = 2, falling_node = 1},
+	sounds = default.node_sound_gravel_defaults(),
+})
+
+minetest.register_node("techage:sieved_basalt_gravel", {
+	description = "Sieved Basalt Gravel",
+	tiles = {"default_gravel.png^[brighten"},
+	groups = {crumbly = 2, falling_node = 1, not_in_creative_inventory=1},
+	sounds = default.node_sound_gravel_defaults(),
+})
+
+minetest.register_craft({
+	output = "techage:basalt_stone_brick 4",
+	recipe = {
+		{"techage:basalt_stone", "techage:basalt_stone"},
+		{"techage:basalt_stone", "techage:basalt_stone"},
+	}
+})
+
+minetest.register_craft({
+	output = "techage:basalt_stone_block 9",
+	recipe = {
+		{"techage:basalt_stone", "techage:basalt_stone", "techage:basalt_stone"},
+		{"techage:basalt_stone", "techage:basalt_stone", "techage:basalt_stone"},
+		{"techage:basalt_stone", "techage:basalt_stone", "techage:basalt_stone"},
+	}
+})
+
+techage.add_grinder_recipe({input="techage:basalt_stone", output="techage:basalt_gravel"})
+techage.add_grinder_recipe({input="techage:basalt_gravel", output="default:clay"})
+techage.add_grinder_recipe({input="techage:sieved_basalt_gravel", output="default:clay"})

basic_machines/blackhole.lua

@@ -0,0 +1,65 @@
+--[[
+
+	TechAge
+	=======
+
+	Copyright (C) 2019 Joachim Stolberg
+
+	LGPLv2.1+
+	See LICENSE.txt for more information
+
+	The autocrafter is derived from pipeworks: 
+	Copyright (C) 2004 Sam Hocevar <sam@hocevar.net>  WTFPL
+	
+	All items disappear.
+	
+]]--
+
+minetest.register_node("techage:blackhole", {
+	description = "Techage Black Hole",
+	tiles = {
+		-- up, down, right, left, back, front
+		"techage_filling_ta3.png^techage_frame_ta3.png",
+		"techage_filling_ta3.png^techage_frame_ta3.png",
+		"techage_filling_ta3.png^techage_frame_ta3.png^techage_appl_blackhole.png",
+		"techage_filling_ta3.png^techage_frame_ta3.png^techage_appl_blackhole.png^techage_appl_inp.png",
+		"techage_filling_ta3.png^techage_frame_ta3.png^techage_appl_blackhole.png",
+		"techage_filling_ta3.png^techage_frame_ta3.png^techage_appl_blackhole.png",
+	},
+
+	after_place_node = function(pos, placer)
+		local meta = minetest.get_meta(pos)
+		local node = minetest.get_node(pos)
+		meta:set_int("push_dir", techage.side_to_indir("L", node.param2))
+		meta:set_string("infotext","Techage Black Hole (let items disappear)")
+	end,
+	
+	on_rotate = screwdriver.disallow,
+	paramtype2 = "facedir",
+	groups = {choppy=2, cracky=2, crumbly=2},
+	is_ground_content = false,
+	sounds = default.node_sound_wood_defaults(),
+})
+
+
+
+minetest.register_craft({
+	output = "techage:blackhole",
+	recipe = {
+		{"group:wood",    "",                   "group:wood"},
+		{"tubelib:tubeS", "default:coal_lump",  ""},
+		{"group:wood",    "",                   "group:wood"},
+	},
+})
+
+techage.register_node("techage:blackhole", {}, {
+	on_pull_item = nil,  		-- not needed
+	on_unpull_item = nil,		-- not needed
+	
+	on_push_item = function(pos, in_dir, stack)
+		local meta = minetest.get_meta(pos)
+		if meta:get_int("push_dir") == in_dir then
+			return true
+		end
+	end,
+})	

basic_machines/forceload.lua

@@ -0,0 +1,218 @@
+--[[
+
+	Tube Library
+	============
+
+	Copyright (C) 2017-2019 Joachim Stolberg
+
+	LGPLv2.1+
+	See LICENSE.txt for more information
+
+	forceload.lua:
+	
+]]--
+
+-- for lazy programmers
+local S = function(pos) if pos then return minetest.pos_to_string(pos) end end
+local P = minetest.string_to_pos
+local M = minetest.get_meta
+
+local function calc_area(pos)
+	local xpos = (math.floor(pos.x / 16) * 16)
+	local ypos = (math.floor(pos.y / 16) * 16)
+	local zpos = (math.floor(pos.z / 16) * 16)
+	local pos1 = {x=xpos, y=ypos, z=zpos}
+	local pos2 = {x=xpos+15, y=ypos+15, z=zpos+15}
+	return pos1, pos2
+end
+
+local function in_list(list, x)
+	local pos1 = calc_area(x)
+	for _,v in ipairs(list) do
+		local pos2 = calc_area(v)
+		if vector.equals(pos1, pos2) then return true end
+	end
+	return false
+end
+
+local function remove_list_elem(list, x)
+	local n = nil
+	for idx, v in ipairs(list) do
+		if vector.equals(v, x) then 
+			n = idx
+			break
+		end
+	end
+	if n then
+		table.remove(list, n)
+	end
+	return list
+end
+
+local function chat(player, text)
+	minetest.chat_send_player(player:get_player_name(), "[Tubelib] "..text)
+end
+
+local function get_node_lvm(pos)
+	local node = minetest.get_node_or_nil(pos)
+	if node then
+		return node
+	end
+	local vm = minetest.get_voxel_manip()
+	local MinEdge, MaxEdge = vm:read_from_map(pos, pos)
+	local data = vm:get_data()
+	local param2_data = vm:get_param2_data()
+	local area = VoxelArea:new({MinEdge = MinEdge, MaxEdge = MaxEdge})
+	local idx = area:index(pos.x, pos.y, pos.z)
+	node = {
+		name = minetest.get_name_from_content_id(data[idx]),
+		param2 = param2_data[idx]
+	}
+	return node
+end
+
+local function add_pos(pos, player)
+	local lPos = minetest.deserialize(player:get_attribute("tubelib_forceload_blocks")) or {}
+	if not in_list(lPos, pos) and #lPos < tubelib.max_num_forceload_blocks then
+		lPos[#lPos+1] = pos
+		player:set_attribute("tubelib_forceload_blocks", minetest.serialize(lPos))
+		return true
+	end
+	return false
+end
+	
+local function del_pos(pos, player)
+	local lPos = minetest.deserialize(player:get_attribute("tubelib_forceload_blocks")) or {}
+	lPos = remove_list_elem(lPos, pos)
+	player:set_attribute("tubelib_forceload_blocks", minetest.serialize(lPos))
+end
+
+local function get_pos_list(player)
+	return minetest.deserialize(player:get_attribute("tubelib_forceload_blocks")) or {}
+end
+
+local function set_pos_list(player, lPos)
+	player:set_attribute("tubelib_forceload_blocks", minetest.serialize(lPos))
+end
+
+local function get_data(pos, player)
+	local pos1, pos2 = calc_area(pos)
+	local num = #minetest.deserialize(player:get_attribute("tubelib_forceload_blocks")) or 0
+	local max = tubelib.max_num_forceload_blocks
+	return pos1, pos2, num, max
+end
+
+local function formspec(player)
+	local lPos = get_pos_list(player)
+	local tRes = {}
+	tRes[1] = "size[7,9]"..
+	default.gui_bg..
+	default.gui_bg_img..
+	default.gui_slots..
+	"label[0,0;List of your Forceload Blocks:]"
+	
+	for idx,pos in ipairs(lPos) do
+		local pos1, pos2 = calc_area(pos)
+		local ypos = 0.2 + idx * 0.4
+		tRes[#tRes+1] = "label[0,"..ypos..";"..idx.."]"
+		tRes[#tRes+1] = "label[0.8,"..ypos..";"..S(pos1).."]"
+		tRes[#tRes+1] = "label[3.2,"..ypos..";to]"
+		tRes[#tRes+1] = "label[4,"..ypos..";"..S(pos2).."]"
+	end
+	return table.concat(tRes)
+end
+
+
+minetest.register_node("tubelib:forceload", {
+	description = "Tubelib Forceload Block",
+	tiles = {
+		-- up, down, right, left, back, front
+		'tubelib_front.png',
+		'tubelib_front.png',
+		{
+			image = "tubelib_forceload.png",
+			backface_culling = false,
+			animation = {
+				type = "vertical_frames",
+				aspect_w = 32,
+				aspect_h = 32,
+				length = 0.5,
+			},
+		},
+	},
+
+	after_place_node = function(pos, placer, itemstack)
+		if add_pos(pos, placer) then
+			minetest.forceload_block(pos, true)
+			local pos1, pos2, num, max = get_data(pos, placer)
+			M(pos):set_string("infotext", "Area "..S(pos1).." to "..S(pos2).." loaded!\n"..
+				"Punch the block to make the area visible.")
+			chat(placer, "Area ("..num.."/"..max..") "..S(pos1).." to "..S(pos2).." loaded!")
+			tubelib.mark_region(placer:get_player_name(), pos1, pos2)
+			M(pos):set_string("owner", placer:get_player_name())
+		else
+			chat(placer, "Area already loaded or max. number of Forceload Blocks reached!")
+			minetest.remove_node(pos)
+			return itemstack
+		end
+	end,
+
+	after_dig_node = function(pos, oldnode, oldmetadata, digger)
+		local player = minetest.get_player_by_name(oldmetadata.fields.owner)
+		if player then
+			del_pos(pos, player)
+		end
+		minetest.forceload_free_block(pos, true)
+		tubelib.unmark_region(oldmetadata.fields.owner)
+	end,
+	
+	on_rightclick = function(pos, node, clicker, itemstack, pointed_thing)
+		if M(pos):get_string("owner") == clicker:get_player_name() or
+				minetest.check_player_privs(clicker:get_player_name(), "server") then
+			local s = formspec(clicker)
+			minetest.show_formspec(clicker:get_player_name(), "tubelib:forceload", s)
+		end
+	end,
+	
+	on_punch = function(pos, node, puncher, pointed_thing)
+		local pos1, pos2 = calc_area(pos)
+		tubelib.switch_region(puncher:get_player_name(), pos1, pos2)
+	end,
+
+	paramtype = "light",
+	sunlight_propagates = true,
+	groups = {choppy=2, cracky=2, crumbly=2, 
+		not_in_creative_inventory = tubelib.max_num_forceload_blocks == 0 and 1 or 0},
+	is_ground_content = false,
+	sounds = default.node_sound_wood_defaults(),
+})
+
+
+if tubelib.max_num_forceload_blocks > 0 then
+	minetest.register_craft({
+		output = "tubelib:forceload",
+		recipe = {
+			{"group:wood", "", "group:wood"},
+			{"", "basic_materials:energy_crystal_simple", ""},
+			{"group:wood", "tubelib:wlanchip", "group:wood"},
+		},
+	})
+end
+
+minetest.register_on_joinplayer(function(player)
+	local lPos = {}
+	for _,pos in ipairs(get_pos_list(player)) do
+		local node = get_node_lvm(pos)
+		if node.name == "tubelib:forceload" then
+			minetest.forceload_block(pos, true)
+			lPos[#lPos+1] = pos
+		end
+	end
+	set_pos_list(player, lPos)
+end)
+
+minetest.register_on_leaveplayer(function(player)
+	for _,pos in ipairs(get_pos_list(player)) do
+		minetest.forceload_free_block(pos, true)
+	end
+end)

basic_machines/gravelsieve.lua

@@ -76,41 +76,47 @@ end
 
 
 -- determine ore based on the calculated probability
-local function get_random_ore()
+local function get_random_gravel_ore()
 	for ore, probability in pairs(techage.ore_probability) do
 		if math.random(probability) == 1 then
-			local item = ItemStack(ore)
+			return ItemStack(ore)
-			return item
 		end
 	end
+	if math.random(2) == 1 then
+		return ItemStack("default:gravel")
+	else
+		return ItemStack("techage:sieved_gravel")
+	end
+end
+
+local function get_random_basalt_ore()
+	if math.random(40) == 1 then
+		return ItemStack("default:coal_lump")
+	elseif math.random(40) == 1 then
+		return ItemStack("default:iron_lump")
+	elseif math.random(2) == 1 then
+		return ItemStack("techage:basalt_gravel")
+	else
+		return ItemStack("techage:sieved_basalt_gravel")
+	end
 end
 
 local function sieving(pos, trd, mem, inv)
-	local gravel = ItemStack("default:gravel")
+	local src, dst
-
+	if inv:contains_item("src", ItemStack("techage:basalt_gravel")) then
-	if not inv:contains_item("src", gravel) then
+		dst, src = get_random_basalt_ore(), ItemStack("techage:basalt_gravel")
+	elseif inv:contains_item("src", ItemStack("default:gravel")) then
+		dst, src = get_random_gravel_ore(), ItemStack("default:gravel")
+	else
 		trd.State:idle(pos, mem)
 		return
 	end
-	
-	local dst = get_random_ore()
-	if not dst then
-	    -- move gravel or sieved gravel to dst
-		mem.gravel_cnt = (mem.gravel_cnt or 0) + 1
-		if (mem.gravel_cnt % 2) == 0 then
-			dst = gravel
-		else
-			dst = ItemStack("techage:sieved_gravel")
-		end
-	end
 	if not inv:room_for_item("dst", dst) then
-		--trd.State:blocked(pos, mem)
 		trd.State:idle(pos, mem)
 		return
 	end
-		
 	inv:add_item("dst", dst)
-	inv:remove_item("src", gravel)
+	inv:remove_item("src", src)
 	trd.State:keep_running(pos, mem, COUNTDOWN_TICKS)
 end
 

basic_machines/grinder.lua

@@ -283,9 +283,8 @@ techage.add_grinder_recipe({input="default:cobble", output="default:gravel"})
 techage.add_grinder_recipe({input="default:desert_cobble", output="default:gravel"})
 techage.add_grinder_recipe({input="default:mossycobble", output="default:gravel"})
 techage.add_grinder_recipe({input="default:gravel", output="default:sand"})
-techage.add_grinder_recipe({input="gravelsieve:sieved_gravel", output="default:sand"})
+techage.add_grinder_recipe({input="techage:sieved_gravel", output="default:sand"})
 techage.add_grinder_recipe({input="default:coral_skeleton", output="default:silver_sand"})
-techage.add_grinder_recipe({input="tubelib:basalt_stone", output="default:silver_sand"})
 
 if minetest.global_exists("skytest") then
 	techage.add_grinder_recipe({input="default:desert_sand", output="skytest:dust"})

basic_machines/mark.lua

@@ -0,0 +1,93 @@
+--[[
+
+	Tube Library
+	============
+
+	Copyright (C) 2019 Joachim Stolberg
+	Code derived from wordedit (sfan5, Anthony Zhang (Uberi/Temperest), and Brett O'Donnell (cornernote))
+
+	LGPLv2.1+
+	See LICENSE.txt for more information
+
+	mark.lua:
+	
+]]--
+
+local marker_region = {}
+
+function tubelib.unmark_region(name)
+	if marker_region[name] ~= nil then --marker already exists
+		--wip: make the area stay loaded somehow
+		for _, entity in ipairs(marker_region[name]) do
+			entity:remove()
+		end
+		marker_region[name] = nil
+	end
+end
+
+function tubelib.mark_region(name, pos1, pos2)
+
+	tubelib.unmark_region(name)
+	
+	local thickness = 0.2
+	local sizex, sizey, sizez = (1 + pos2.x - pos1.x) / 2, (1 + pos2.y - pos1.y) / 2, (1 + pos2.z - pos1.z) / 2
+	local markers = {}
+
+	--XY plane markers
+	for _, z in ipairs({pos1.z - 0.5, pos2.z + 0.5}) do
+		local marker = minetest.add_entity({x=pos1.x + sizex - 0.5, y=pos1.y + sizey - 0.5, z=z}, "tubelib:region_cube")
+		if marker ~= nil then
+			marker:set_properties({
+				visual_size={x=sizex * 2, y=sizey * 2},
+				collisionbox = {-sizex, -sizey, -thickness, sizex, sizey, thickness},
+			})
+			marker:get_luaentity().player_name = name
+			table.insert(markers, marker)
+		end
+	end
+
+	--YZ plane markers
+	for _, x in ipairs({pos1.x - 0.5, pos2.x + 0.5}) do
+		local marker = minetest.add_entity({x=x, y=pos1.y + sizey - 0.5, z=pos1.z + sizez - 0.5}, "tubelib:region_cube")
+		if marker ~= nil then
+			marker:set_properties({
+				visual_size={x=sizez * 2, y=sizey * 2},
+				collisionbox = {-thickness, -sizey, -sizez, thickness, sizey, sizez},
+			})
+			marker:setyaw(math.pi / 2)
+			marker:get_luaentity().player_name = name
+			table.insert(markers, marker)
+		end
+	end
+
+	marker_region[name] = markers
+end
+
+function tubelib.switch_region(name, pos1, pos2)
+	if marker_region[name] ~= nil then --marker already exists
+		tubelib.unmark_region(name)
+	else
+		tubelib.mark_region(name, pos1, pos2)
+	end
+end
+
+minetest.register_entity(":tubelib:region_cube", {
+	initial_properties = {
+		visual = "upright_sprite",
+		visual_size = {x=1.1, y=1.1},
+		textures = {"tubelib_cube.png"},
+		use_texture_alpha = true,
+		visual_size = {x=10, y=10},
+		physical = false,
+	},
+	on_step = function(self, dtime)
+		if marker_region[self.player_name] == nil then
+			self.object:remove()
+			return
+		end
+	end,
+	on_punch = function(self, hitter)
+		tubelib.unmark_region(self.player_name)
+	end,
+})
+

basic_machines/pusher.lua

@@ -42,7 +42,7 @@ local function pushing(pos, trd, meta, mem)
 	local push_dir = meta:get_int("push_dir")
 	local items = techage.pull_items(pos, pull_dir, trd.num_items)
 	if items ~= nil then
-		if techage.push_items(pos, push_dir, items) == false then
+		if techage.push_items(pos, push_dir, items) ~= true then
 			-- place item back
 			techage.unpull_items(pos, pull_dir, items)
 			trd.State:blocked(pos, mem)

basis/junction.lua

@@ -63,11 +63,13 @@ function techage.register_junction(name, size, boxes, network, node)
 		node.is_ground_content = false 
 		node.drop = name.."0" 
 		
-		minetest.register_node(name..idx, node)
+		minetest.register_node(name..idx, table.copy(node))
 		network:add_secondary_node_names({name..idx})
 	end
 end
 
+
+
 function techage.junction_type(conn)
 	local val = 0
 	for idx = 1,6 do

basis/lib.lua

@@ -1,3 +1,26 @@
+--[[
+
+	TechAge
+	=======
+
+	Copyright (C) 2019 Joachim Stolberg
+
+	LGPLv2.1+
+	See LICENSE.txt for more information
+	
+	Helper functions
+
+]]--
+
+-- for lazy programmers
+local S = function(pos) if pos then return minetest.pos_to_string(pos) end end
+local P = minetest.string_to_pos
+local M = minetest.get_meta
+
+-- Load support for intllib.
+local MP = minetest.get_modpath("techage")
+local I,_ = dofile(MP.."/intllib.lua")
+
 function techage.range(val, min, max)
 	val = tonumber(val)
 	if val < min then return min end
@@ -12,3 +35,22 @@ function techage.one_of(val, selection)
 	return selection[1]
 end
 
+--
+-- Functions used to hide electric cable and biogas pipes
+--
+-- Overridden method of tubelib2!
+function techage.get_primary_node_param2(pos, dir)
+	local npos = vector.add(pos, tubelib2.Dir6dToVector[dir or 0])
+	local param2 = M(npos):get_int("tl2_param2")
+	if param2 ~= 0 then
+		return param2, npos
+	end
+end
+
+-- Overridden method of tubelib2!
+function techage.is_primary_node(pos, dir)
+	local npos = vector.add(pos, tubelib2.Dir6dToVector[dir or 0])
+	local param2 = M(npos):get_int("tl2_param2")
+	return param2 ~= 0
+end
+

init.lua

@@ -25,13 +25,16 @@ else
 	dofile(MP.."/basis/guide.lua")  -- construction guide
 	dofile(MP.."/basis/power.lua")  -- power distribution 
 	dofile(MP.."/basis/node_states.lua") -- state model
-	dofile(MP.."/basis/trowel.lua")  -- hidden networks
 	dofile(MP.."/basis/junction.lua")  -- network junction box
 	dofile(MP.."/basis/tubes.lua")  -- tubelib replacement
 	dofile(MP.."/basis/command.lua")  -- tubelib replacement
 	dofile(MP.."/basis/consumer.lua")  -- consumer base model
 	dofile(MP.."/basis/firebox.lua")  -- common firebox functions
-
+	
+	-- Tools
+	dofile(MP.."/tools/trowel.lua")
+	--dofile(MP.."/tools/repairkit.lua")
+	
 	-- Power networks
 	dofile(MP.."/power/drive_axle.lua")
 	dofile(MP.."/power/steam_pipe.lua")
@@ -62,15 +65,19 @@ else
 	dofile(MP.."/steam_engine/flywheel.lua")
 	dofile(MP.."/steam_engine/gearbox.lua")
 	dofile(MP.."/steam_engine/consumer.lua")
-	dofile(MP.."/steam_engine/battery.lua")
 
 	-- Basic Machines
 	dofile(MP.."/basic_machines/pusher.lua")
+	dofile(MP.."/basic_machines/blackhole.lua")
 	dofile(MP.."/basic_machines/legacy_nodes.lua")
 	dofile(MP.."/basic_machines/grinder.lua")
 	dofile(MP.."/basic_machines/distributor.lua")
 	dofile(MP.."/basic_machines/gravelsieve.lua")
 	dofile(MP.."/basic_machines/chest.lua")
+	dofile(MP.."/basic_machines/autocrafter.lua")
+	if techage.basalt_stone_enabled then
+		dofile(MP.."/basic_machines/basalt.lua")
+	end
 
 	-- Coal power station
 	dofile(MP.."/coal_power_station/firebox.lua")
@@ -82,8 +89,9 @@ else
 
 
 
+	dofile(MP.."/test/battery.lua")
 	--dofile(MP.."/test/test.lua")
-	--dofile(MP.."/test/generator.lua")
+	dofile(MP.."/test/generator.lua")
 	--dofile(MP.."/test/consumer.lua")
 
 

iron_age/hammer.lua

@@ -38,7 +38,7 @@ minetest.register_tool("techage:hammer_bronze", {
 		full_punch_interval = 1.0,
 		max_drop_level=1,
 		groupcaps={
-			cracky = {times={[1]=5.00, [2]=2.0, [3]=1.0}, uses=30, maxlevel=2},
+			cracky = {times={[1]=5.00, [2]=2.0, [3]=1.0}, uses=50, maxlevel=2},
 		},
 		damage_groups = {fleshy=4},
 	},
@@ -57,7 +57,7 @@ minetest.register_tool("techage:hammer_steel", {
 		full_punch_interval = 1.0,
 		max_drop_level=1,
 		groupcaps={
-			cracky = {times={[1]=4.00, [2]=1.60, [3]=0.80}, uses=30, maxlevel=2},
+			cracky = {times={[1]=4.00, [2]=1.60, [3]=0.80}, uses=60, maxlevel=2},
 		},
 		damage_groups = {fleshy=4},
 	},
@@ -76,7 +76,7 @@ minetest.register_tool("techage:hammer_mese", {
 		full_punch_interval = 0.9,
 		max_drop_level=3,
 		groupcaps={
-			cracky = {times={[1]=2.4, [2]=1.2, [3]=0.60}, uses=40, maxlevel=3},
+			cracky = {times={[1]=2.4, [2]=1.2, [3]=0.60}, uses=80, maxlevel=3},
 		},
 		damage_groups = {fleshy=5},
 	},
@@ -95,7 +95,7 @@ minetest.register_tool("techage:hammer_diamond", {
 		full_punch_interval = 0.9,
 		max_drop_level=3,
 		groupcaps={
-			cracky = {times={[1]=2.0, [2]=1.0, [3]=0.50}, uses=40, maxlevel=3},
+			cracky = {times={[1]=2.0, [2]=1.0, [3]=0.50}, uses=100, maxlevel=3},
 		},
 		damage_groups = {fleshy=5},
 	},
@@ -108,7 +108,7 @@ minetest.register_tool("techage:hammer_diamond", {
 })
 
 minetest.register_craft({
-	output = "techage:hammer_bronze",
+	output = "techage:hammer_bronze 2",
 	recipe = {
 		{"default:bronze_ingot", "group:stick", "default:bronze_ingot"},
 		{"default:bronze_ingot", "group:stick", "default:bronze_ingot"},
@@ -116,7 +116,7 @@ minetest.register_craft({
 	}
 })
 minetest.register_craft({
-	output = "techage:hammer_steel",
+	output = "techage:hammer_steel 2",
 	recipe = {
 		{"default:steel_ingot", "group:stick", "default:steel_ingot"},
 		{"default:steel_ingot", "group:stick", "default:steel_ingot"},
@@ -124,7 +124,7 @@ minetest.register_craft({
 	}
 })
 minetest.register_craft({
-	output = "techage:hammer_mese",
+	output = "techage:hammer_mese 2",
 	recipe = {
 		{"default:mese_crystal", "group:stick", "default:mese_crystal"},
 		{"default:mese_crystal", "group:stick", "default:mese_crystal"},
@@ -132,7 +132,7 @@ minetest.register_craft({
 	}
 })
 minetest.register_craft({
-	output = "techage:hammer_diamond",
+	output = "techage:hammer_diamond 2",
 	recipe = {
 		{"default:diamond", "group:stick", "default:diamond"},
 		{"default:diamond", "group:stick", "default:diamond"},

iron_age/recipes.lua

@@ -26,13 +26,6 @@ techage.ironage_register_recipe({
 	time = 8,
 })
 
-techage.ironage_register_recipe({
-	output = "default:clay", 
-	recipe = {"techage:sieved_gravel"}, 
-	heat = 3,
-	time = 3,
-})
-
 techage.ironage_register_recipe({
 	output = "techage:iron_ingot", 
 	recipe = {"default:iron_lump"}, 

power/electric_cable.lua

@@ -21,7 +21,6 @@ local M = minetest.get_meta
 local MP = minetest.get_modpath("techage")
 local I,_ = dofile(MP.."/intllib.lua")
 
-
 local Cable = tubelib2.Tube:new({
 	dirs_to_check = {1,2,3,4,5,6},
 	max_tube_length = 1000, 
@@ -128,7 +127,8 @@ minetest.register_node("techage:electric_cableA", {
 	paramtype = "light",
 	sunlight_propagates = true,
 	is_ground_content = false,
-	groups = {snappy = 2, choppy = 2, oddly_breakable_by_hand = 3, techage_trowel = 1},
+	groups = {snappy = 2, choppy = 2, oddly_breakable_by_hand = 3, 
+			techage_trowel = 1, not_in_creative_inventory = 1},
 	sounds = default.node_sound_defaults(),
 	drop = "techage:electric_cableS",
 })
@@ -148,17 +148,13 @@ local Boxes = {
 }
 
 techage.register_junction("techage:electric_junction", 2/8, Boxes, techage.ElectricCable, {
-	description = "Electricity Junction Box",
+	description = I("TA4 Electricity Junction Box"),
 	tiles = {"techage_electric_junction.png"},
 	groups = {snappy = 2, choppy = 2, oddly_breakable_by_hand = 3, techage_trowel = 1},
 	sounds = default.node_sound_defaults(),
 	techage = {
 		power_network = techage.ElectricCable,
 	},
-	description = "Electricity Junction Box",
-	tiles = {"techage_electric_junction.png"},
-	groups = {snappy = 2, choppy = 2, oddly_breakable_by_hand = 3, techage_trowel = 1},
-	sounds = default.node_sound_defaults(),
 	
 	after_place_node = distributor.after_place_node,
 	after_dig_node = distributor.after_dig_node,

steam_engine/cylinder.lua

@@ -53,19 +53,10 @@ local function start_cylinder(pos, on)
 	if on and mem.running then
 		consumer.turn_power_on(pos, POWER_CONSUMPTION)
 		swap_node(pos, "techage:cylinder_on")
-		mem.handle = minetest.sound_play("techage_steamengine", {
-			pos = pos, 
-			max_hear_distance = 4, 
-			gain = 0.7, 
-			loop = true})
 		return true
 	else
 		consumer.turn_power_on(pos, 0)
 		swap_node(pos, "techage:cylinder")
-		if mem.handle then
-			minetest.sound_stop(mem.handle)
-			mem.handle = nil
-		end
 	end
 	return false
 end	
@@ -164,18 +155,3 @@ minetest.register_craft({
 		{"default:wood", "techage:iron_ingot", "basic_materials:steel_bar"},
 	},
 })
-
-minetest.register_lbm({
-	label = "[techage] Steam engine sound",
-	name = "techage:steam_engine",
-	nodenames = {"techage:cylinder_on"},
-	run_at_every_load = true,
-	action = function(pos, node)
-		local mem = tubelib2.get_mem(pos)
-		mem.handle = minetest.sound_play("techage_steamengine", {
-			pos = pos, 
-			max_hear_distance = 4, 
-			gain = 0.7, 
-			loop = true})
-	end
-})

steam_engine/flywheel.lua

@@ -56,13 +56,28 @@ local function can_start(pos, mem, state)
 	return start_cylinder(pos, true)
 end
 
+local function play_sound(pos)
+	local mem = tubelib2.get_mem(pos)
+	mem.handle = minetest.sound_play("techage_steamengine", {
+		pos = pos, 
+		gain = 0.5,
+		max_hear_distance = 10})
+	minetest.after(2, play_sound, pos)
+end
+
 local function start_node(pos, mem, state)
+	print("start_node")
 	generator.turn_power_on(pos, POWER_CAPACITY)
+	play_sound(pos)
 end
 
 local function stop_node(pos, mem, state)
 	start_cylinder(pos, false)
 	generator.turn_power_on(pos, 0)
+	if mem.handle then
+		minetest.sound_stop(mem.handle)
+		mem.handle = nil
+	end
 end
 
 local State = techage.NodeStates:new({
@@ -248,3 +263,14 @@ minetest.register_craft({
 		{"default:wood", "techage:iron_ingot", "basic_materials:steel_bar"},
 	},
 })
+
+minetest.register_lbm({
+	label = "[techage] Steam engine sound",
+	name = "techage:steam_engine",
+	nodenames = {"techage:flywheel_on"},
+	run_at_every_load = true,
+	action = function(pos, node)
+		play_sound(pos)
+	end
+})
+

tools/repairkit.lua

@@ -0,0 +1,92 @@
+--[[
+
+	Tube Library
+	============
+
+	Copyright (C) 2017-2018 Joachim Stolberg
+
+	LGPLv2.1+
+	See LICENSE.txt for more information
+
+	repairkit.lua:
+]]--
+
+-- for lazy programmers
+local S = function(pos) if pos then return minetest.pos_to_string(pos) end end
+local P = minetest.string_to_pos
+local M = minetest.get_meta
+
+local function destroy_node(itemstack, placer, pointed_thing)
+	if pointed_thing.type == "node" then
+		local pos = pointed_thing.under
+		if not minetest.is_protected(pos, placer:get_player_name()) then
+			M(pos):set_int("tubelib_aging", 999999)
+		end
+	end
+end
+
+local function repair_node(itemstack, user, pointed_thing)
+	local pos = pointed_thing.under
+	if pos then
+		if tubelib.repair_node(pos) then
+			minetest.chat_send_player(user:get_player_name(), "[Tubelib] Node repaired")
+			itemstack:take_item()
+			return itemstack
+		end
+	end
+	return 
+end
+
+local function read_state(itemstack, user, pointed_thing)
+	local pos = pointed_thing.under
+	if pos then
+		local number = tubelib.get_node_number(pos)
+		if number then
+			local state = tubelib.send_request(number, "state", nil)
+			local counter = tubelib.send_request(number, "counter", nil)
+			local aging = tubelib.send_request(number, "aging", nil)
+			if state and counter and aging then
+				if type(counter) ~= "number" then counter = "unknown" end
+				minetest.chat_send_player(user:get_player_name(), "[Tubelib] state ="..state..", counter = "..counter..", aging = "..aging)
+			end
+		end
+	end
+end
+
+minetest.register_craftitem("tubelib:repairkit", {
+	description = "Tubelib Repair Kit",
+	inventory_image = "tubelib_repairkit.png",
+	wield_image = "tubelib_repairkit.png^[transformR270",
+	groups = {cracky=1, book=1},
+	on_use = repair_node,
+	node_placement_prediction = "",
+})
+
+
+minetest.register_node("tubelib:end_wrench", {
+	description = "Tubelib End Wrench (use = read status, place = destroy)",
+	inventory_image = "tubelib_end_wrench.png",
+	wield_image = "tubelib_end_wrench.png",
+	groups = {cracky=1, book=1},
+	on_use = read_state,
+	on_place = destroy_node,
+	node_placement_prediction = "",
+})
+
+minetest.register_craft({
+	output = "tubelib:repairkit",
+	recipe = {
+		{"", "basic_materials:gear_steel", ""},
+		{"", "tubelib:end_wrench", ""},
+		{"", "basic_materials:oil_extract", ""},
+	},
+})
+
+minetest.register_craft({
+	output = "tubelib:end_wrench 4",
+	recipe = {
+		{"", "", "default:steel_ingot"},
+		{"", "default:tin_ingot", ""},
+		{"default:steel_ingot", "", ""},
+	},
+})

tools/trowel.lua

@@ -24,22 +24,6 @@ local I,_ = dofile(MP.."/intllib.lua")
 -- used by other tools: dug_node[player_name] = pos
 techage.dug_node = {}
 
--- Overridden method of tubelib2!
-function techage.get_primary_node_param2(pos, dir)
-	local npos = vector.add(pos, tubelib2.Dir6dToVector[dir or 0])
-	local param2 = M(npos):get_int("tl2_param2")
-	if param2 ~= 0 then
-		return param2, npos
-	end
-end
-
--- Overridden method of tubelib2!
-function techage.is_primary_node(pos, dir)
-	local npos = vector.add(pos, tubelib2.Dir6dToVector[dir or 0])
-	local param2 = M(npos):get_int("tl2_param2")
-	return param2 ~= 0
-end
-
 -- Determine if one node in the surrounding is a hidden tube/cable/pipe
 local function other_hidden_nodes(pos, node_name)
 	return M({x=pos.x+1, y=pos.y, z=pos.z}):get_string(node_name) ~= "" or
@@ -112,6 +96,7 @@ minetest.register_on_dignode(function(pos, oldnode, digger)
 		techage.ElectricCable:after_dig_node(pos, oldnode, digger)
 		techage.BiogasPipe:after_dig_node(pos, oldnode, digger)
 	else
+		-- store pos for other tools without own 'register_on_dignode'
 		techage.dug_node[digger:get_player_name()] = pos
 	end
 end)