code and registrations cleanup (#101)

* code and registrations cleanup

* don't expose materials to global env

---------

Co-authored-by: BuckarooBanzay <BuckarooBanzay@users.noreply.github.com>

.github/workflows/luacheck.yml

@@ -1,13 +1,10 @@
 name: luacheck
 on: [push, pull_request]
 jobs:
-  build:
+  luacheck:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@master
+      - name: Checkout
-    - name: apt
+        uses: actions/checkout@master
-      run: sudo apt-get install -y luarocks
+      - name: Luacheck
-    - name: luacheck install
+        uses: lunarmodules/luacheck@master
-      run: luarocks install --local luacheck
-    - name: luacheck run
-      run: $HOME/.luarocks/bin/luacheck ./

common.lua

@@ -1,3 +1,96 @@
+local S = minetest.get_translator("pipeworks")
+
+-- Random variables
+
+pipeworks.expect_infinite_stacks = true
+if minetest.get_modpath("unified_inventory") or not minetest.settings:get_bool("creative_mode") then
+	pipeworks.expect_infinite_stacks = false
+end
+
+pipeworks.meseadjlist={{x=0,y=0,z=1},{x=0,y=0,z=-1},{x=0,y=1,z=0},{x=0,y=-1,z=0},{x=1,y=0,z=0},{x=-1,y=0,z=0}}
+
+pipeworks.rules_all = {{x=0, y=0, z=1},{x=0, y=0, z=-1},{x=1, y=0, z=0},{x=-1, y=0, z=0},
+		{x=0, y=1, z=1},{x=0, y=1, z=-1},{x=1, y=1, z=0},{x=-1, y=1, z=0},
+		{x=0, y=-1, z=1},{x=0, y=-1, z=-1},{x=1, y=-1, z=0},{x=-1, y=-1, z=0},
+		{x=0, y=1, z=0}, {x=0, y=-1, z=0}}
+
+pipeworks.mesecons_rules={{x=0,y=0,z=1},{x=0,y=0,z=-1},{x=1,y=0,z=0},{x=-1,y=0,z=0},{x=0,y=1,z=0},{x=0,y=-1,z=0}}
+pipeworks.digilines_rules={{x=0,y=0,z=1},{x=0,y=0,z=-1},{x=1,y=0,z=0},{x=-1,y=0,z=0},{x=0,y=1,z=0},{x=0,y=-1,z=0}}
+
+pipeworks.liquid_texture = minetest.registered_nodes[pipeworks.liquids.water.flowing].tiles[1]
+if type(pipeworks.liquid_texture) == "table" then pipeworks.liquid_texture = pipeworks.liquid_texture.name end
+
+pipeworks.button_off   = {text="", texture="pipeworks_button_off.png", addopts="false;false;pipeworks_button_interm.png"}
+pipeworks.button_on    = {text="", texture="pipeworks_button_on.png",  addopts="false;false;pipeworks_button_interm.png"}
+pipeworks.button_base  = "image_button[0,4.3;1,0.6"
+pipeworks.button_label = "label[0.9,4.31;"..S("Allow splitting incoming stacks from tubes").."]"
+
+-- Helper functions
+
+function pipeworks.fix_image_names(table, replacement)
+	local outtable={}
+	for i in ipairs(table) do
+		outtable[i]=string.gsub(table[i], "_XXXXX", replacement)
+	end
+
+	return outtable
+end
+
+local function overlay_tube_texture(texture)
+	-- The texture appears the first time to be colorized as the opaque background.
+	return ("(%s)^[noalpha^[colorize:#dadada^(%s)"):format(texture, texture)
+end
+
+function pipeworks.make_tube_tile(tile)
+	if pipeworks.use_real_entities then
+		return tile
+	elseif type(tile) == "string" then
+		return overlay_tube_texture(tile)
+	else
+		tile = table.copy(tile)
+		if tile.color then
+			-- Won't work 100% of the time, but good enough.
+			tile.name = tile.name .. "^[multiply:" .. minetest.colorspec_to_colorstring(tile.color)
+			tile.color = nil
+		end
+		tile.name = overlay_tube_texture(tile.name)
+		tile.backface_culling = nil -- The texture is opaque
+		return tile
+	end
+end
+
+function pipeworks.add_node_box(t, b)
+	if not t or not b then return end
+	for i in ipairs(b)
+		do table.insert(t, b[i])
+	end
+end
+
+function pipeworks.may_configure(pos, player)
+	local name = player:get_player_name()
+	local meta = minetest.get_meta(pos)
+	local owner = meta:get_string("owner")
+
+	if owner ~= "" and owner == name then -- wielders and filters
+		return true
+	end
+	return not minetest.is_protected(pos, name)
+end
+
+function pipeworks.replace_name(tbl,tr,name)
+	local ntbl={}
+	for key,i in pairs(tbl) do
+		if type(i)=="string" then
+			ntbl[key]=string.gsub(i,tr,name)
+		elseif type(i)=="table" then
+			ntbl[key]=pipeworks.replace_name(i,tr,name)
+		else
+			ntbl[key]=i
+		end
+	end
+	return ntbl
+end
+
 ----------------------
 -- Vector functions --
 ----------------------

crafts.lua

@@ -1,70 +1,5 @@
-local materials = {
-	stone = "default:stone",
-	desert_stone = "default:desert_stone",
-	desert_sand = "default:desert_sand",
-	chest = "default:chest",
-	copper_ingot = "default:copper_ingot",
-	steel_ingot = "default:steel_ingot",
-	gold_ingot = "default:gold_ingot",
-	mese = "default:mese",
-	mese_crystal = "default:mese_crystal",
-	mese_crystal_fragment = "default:mese_crystal_fragment",
-	teleporter = "default:mese",
-	glass = "default:glass",
-}
-
-if minetest.get_modpath("mcl_core") then
-	materials = {
-		stone = "mcl_core:stone",
-		desert_stone = "mcl_core:redsandstone",
-		desert_sand = "mcl_core:sand",
-		chest = "mcl_chests:chest",
-		steel_ingot = "mcl_core:iron_ingot",
-		gold_ingot = "mcl_core:gold_ingot",
-		mese = "mesecons_torch:redstoneblock",
-		mese_crystal = "mesecons:redstone",
-		mese_crystal_fragment = "mesecons:redstone",
-		teleporter = "mesecons_torch:redstoneblock",
-		copper_ingot = "mcl_copper:copper_ingot",
-		glass = "mcl_core:glass",
-	}
-elseif minetest.get_modpath("fl_ores") and minetest.get_modpath("fl_stone") then
-	materials = {
-		stone = "fl_stone:stone",
-		desert_stone = "fl_stone:desert_stone",
-		desert_sand = "fl_stone:desert_sand",
-		chest = "fl_storage:wood_chest",
-		steel_ingot = "fl_ores:iron_ingot",
-		gold_ingot = "fl_ores:gold_ingot",
-		mese = "fl_ores:iron_ingot",
-		mese_crystal = "fl_ores:iron_ingot",
-		mese_crystal_fragment = "fl_ores:iron_ingot",
-		teleporter = "fl_ores:iron_ingot",
-		copper_ingot = "fl_ores:copper_ingot",
-		glass = "fl_glass:framed_glass",
-	}
-elseif minetest.get_modpath("hades_core") then
-	materials = {
-		stone = "hades_core:stone",
-		desert_stone = "hades_core:stone_baked",
-		desert_sand = "hades_core:volcanic_sand",
-		chest = "hades_chests:chest";
-		steel_ingot = "hades_core:steel_ingot",
-		gold_ingot = "hades_core:gold_ingot",
-		mese = "hades_core:mese",
-		mese_crystal = "hades_core:mese_crystal",
-		mese_crystal_fragment = "hades_core:mese_crystal_fragment",
-		teleporter = "hades_materials:teleporter_device",
-		copper_ingot = "hades_core:copper_ingot",
-		tin_ingot = "hades_core:tin_ingot",
-		glass = "hades_core:glass",
-	}
-  if minetest.get_modpath("hades_default") then
-		materials.desert_sand = "hades_default:desert_sand"
-  end
-end
-
 -- Crafting recipes for pipes
+local materials = ...
 
 minetest.register_craft( {
 	output = "pipeworks:pipe_1_empty 12",
@@ -194,15 +129,6 @@ minetest.register_craft( {
 	},
 })
 
-minetest.register_craft( {
-	output = "pipeworks:steel_block_embedded_tube 1",
-	recipe = {
-		{ materials.steel_ingot, materials.steel_ingot, materials.steel_ingot },
-		{ materials.steel_ingot, "pipeworks:tube_1", materials.steel_ingot },
-		{ materials.steel_ingot, materials.steel_ingot, materials.steel_ingot }
-	},
-})
-
 minetest.register_craft( {
 	output = "pipeworks:steel_pane_embedded_tube 1",
 	recipe = {

init.lua

@@ -4,21 +4,20 @@
 -- and devices that they can connect to.
 --
 
-pipeworks = {}
+pipeworks = {
-pipeworks.ui_cat_tube_list = {}
+	ui_cat_tube_list = {},
-
+	worldpath = minetest.get_worldpath(),
-pipeworks.worldpath = minetest.get_worldpath()
+	modpath = minetest.get_modpath("pipeworks"),
-pipeworks.modpath = minetest.get_modpath("pipeworks")
+	liquids = {
-local S = minetest.get_translator("pipeworks")
+		water = {
-
+			source = minetest.registered_nodes["mapgen_water_source"].name,
-pipeworks.liquids = {}
+			flowing = minetest.registered_nodes["mapgen_water_source"].liquid_alternative_flowing
-pipeworks.liquids.water = {
+		},
-	source = minetest.registered_nodes["mapgen_water_source"].name,
+		river_water = {
-	flowing = minetest.registered_nodes["mapgen_water_source"].liquid_alternative_flowing
+			source = minetest.registered_nodes["mapgen_river_water_source"].name,
-}
+			flowing = minetest.registered_nodes["mapgen_river_water_source"].liquid_alternative_flowing
-pipeworks.liquids.river_water = {
+		}
-	source = minetest.registered_nodes["mapgen_river_water_source"].name,
+	}
-	flowing = minetest.registered_nodes["mapgen_river_water_source"].liquid_alternative_flowing
 }
 
 dofile(pipeworks.modpath.."/default_settings.lua")
@@ -36,97 +35,6 @@ if pipeworks.entity_update_interval >= 0.2 and pipeworks.enable_accelerator_tube
 	minetest.log("warning", "pipeworks accelerator tubes will not entirely work with an entity update interval 0.2 or above.")
 end
 
--- Random variables
-
-pipeworks.expect_infinite_stacks = true
-if minetest.get_modpath("unified_inventory") or not minetest.settings:get_bool("creative_mode") then
-	pipeworks.expect_infinite_stacks = false
-end
-
-pipeworks.meseadjlist={{x=0,y=0,z=1},{x=0,y=0,z=-1},{x=0,y=1,z=0},{x=0,y=-1,z=0},{x=1,y=0,z=0},{x=-1,y=0,z=0}}
-
-pipeworks.rules_all = {{x=0, y=0, z=1},{x=0, y=0, z=-1},{x=1, y=0, z=0},{x=-1, y=0, z=0},
-		{x=0, y=1, z=1},{x=0, y=1, z=-1},{x=1, y=1, z=0},{x=-1, y=1, z=0},
-		{x=0, y=-1, z=1},{x=0, y=-1, z=-1},{x=1, y=-1, z=0},{x=-1, y=-1, z=0},
-		{x=0, y=1, z=0}, {x=0, y=-1, z=0}}
-
-pipeworks.mesecons_rules={{x=0,y=0,z=1},{x=0,y=0,z=-1},{x=1,y=0,z=0},{x=-1,y=0,z=0},{x=0,y=1,z=0},{x=0,y=-1,z=0}}
-pipeworks.digilines_rules={{x=0,y=0,z=1},{x=0,y=0,z=-1},{x=1,y=0,z=0},{x=-1,y=0,z=0},{x=0,y=1,z=0},{x=0,y=-1,z=0}}
-
-pipeworks.liquid_texture = minetest.registered_nodes[pipeworks.liquids.water.flowing].tiles[1]
-if type(pipeworks.liquid_texture) == "table" then pipeworks.liquid_texture = pipeworks.liquid_texture.name end
-
-pipeworks.button_off   = {text="", texture="pipeworks_button_off.png", addopts="false;false;pipeworks_button_interm.png"}
-pipeworks.button_on    = {text="", texture="pipeworks_button_on.png",  addopts="false;false;pipeworks_button_interm.png"}
-pipeworks.button_base  = "image_button[0,4.3;1,0.6"
-pipeworks.button_label = "label[0.9,4.31;"..S("Allow splitting incoming stacks from tubes").."]"
-
--- Helper functions
-
-function pipeworks.fix_image_names(table, replacement)
-	local outtable={}
-	for i in ipairs(table) do
-		outtable[i]=string.gsub(table[i], "_XXXXX", replacement)
-	end
-
-	return outtable
-end
-
-local function overlay_tube_texture(texture)
-	-- The texture appears the first time to be colorized as the opaque background.
-	return ("(%s)^[noalpha^[colorize:#dadada^(%s)"):format(texture, texture)
-end
-
-function pipeworks.make_tube_tile(tile)
-	if pipeworks.use_real_entities then
-		return tile
-	elseif type(tile) == "string" then
-		return overlay_tube_texture(tile)
-	else
-		tile = table.copy(tile)
-		if tile.color then
-			-- Won't work 100% of the time, but good enough.
-			tile.name = tile.name .. "^[multiply:" .. minetest.colorspec_to_colorstring(tile.color)
-			tile.color = nil
-		end
-		tile.name = overlay_tube_texture(tile.name)
-		tile.backface_culling = nil -- The texture is opaque
-		return tile
-	end
-end
-
-function pipeworks.add_node_box(t, b)
-	if not t or not b then return end
-	for i in ipairs(b)
-		do table.insert(t, b[i])
-	end
-end
-
-function pipeworks.may_configure(pos, player)
-	local name = player:get_player_name()
-	local meta = minetest.get_meta(pos)
-	local owner = meta:get_string("owner")
-
-	if owner ~= "" and owner == name then -- wielders and filters
-		return true
-	end
-	return not minetest.is_protected(pos, name)
-end
-
-function pipeworks.replace_name(tbl,tr,name)
-	local ntbl={}
-	for key,i in pairs(tbl) do
-		if type(i)=="string" then
-			ntbl[key]=string.gsub(i,tr,name)
-		elseif type(i)=="table" then
-			ntbl[key]=pipeworks.replace_name(i,tr,name)
-		else
-			ntbl[key]=i
-		end
-	end
-	return ntbl
-end
-
 pipeworks.logger = function(msg)
 	minetest.log("action", "[pipeworks] "..msg)
 end
@@ -150,15 +58,29 @@ dofile(pipeworks.modpath.."/autoplace_tubes.lua")
 dofile(pipeworks.modpath.."/luaentity.lua")
 dofile(pipeworks.modpath.."/item_transport.lua")
 dofile(pipeworks.modpath.."/flowing_logic.lua")
-dofile(pipeworks.modpath.."/tube_registration.lua")
-dofile(pipeworks.modpath.."/routing_tubes.lua")
-dofile(pipeworks.modpath.."/sorting_tubes.lua")
-dofile(pipeworks.modpath.."/signal_tubes.lua")
-dofile(pipeworks.modpath.."/decorative_tubes.lua")
 dofile(pipeworks.modpath.."/filter-injector.lua")
 dofile(pipeworks.modpath.."/trashcan.lua")
 dofile(pipeworks.modpath.."/wielder.lua")
 
+local materials = loadfile(pipeworks.modpath.."/materials.lua")()
+
+dofile(pipeworks.modpath.."/tubes/registration.lua")
+dofile(pipeworks.modpath.."/tubes/routing.lua")
+dofile(pipeworks.modpath.."/tubes/sorting.lua")
+dofile(pipeworks.modpath.."/tubes/signal.lua")
+loadfile(pipeworks.modpath.."/tubes/embedded_tube.lua")(materials)
+dofile(pipeworks.modpath.."/tubes/pane_embedded_tube.lua")
+
+if pipeworks.enable_teleport_tube then
+	dofile(pipeworks.modpath.."/tubes/teleport.lua")
+end
+if pipeworks.enable_lua_tube and minetest.get_modpath("mesecons") then
+	dofile(pipeworks.modpath.."/tubes/lua.lua")
+end
+if pipeworks.enable_sand_tube or pipeworks.enable_mese_sand_tube then
+	dofile(pipeworks.modpath.."/tubes/vacuum.lua")
+end
+
 local logicdir = "/pressure_logic/"
 
 -- note that even with these files the new flow logic is not yet default.
@@ -172,9 +94,6 @@ dofile(pipeworks.modpath..logicdir.."flowable_node_registry_install.lua")
 if pipeworks.enable_pipes then
 	dofile(pipeworks.modpath.."/pipes.lua")
 end
-if pipeworks.enable_teleport_tube then
-	dofile(pipeworks.modpath.."/teleport_tube.lua")
-end
 if pipeworks.enable_pipe_devices then
 	dofile(pipeworks.modpath.."/devices.lua")
 end
@@ -191,14 +110,8 @@ end
 if pipeworks.enable_autocrafter then
 	dofile(pipeworks.modpath.."/autocrafter.lua")
 end
-if pipeworks.enable_lua_tube and minetest.get_modpath("mesecons") then
-	dofile(pipeworks.modpath.."/lua_tube.lua")
-end
-if pipeworks.enable_sand_tube or pipeworks.enable_mese_sand_tube then
-	dofile(pipeworks.modpath.."/vacuum_tubes.lua")
-end
 
-dofile(pipeworks.modpath.."/crafts.lua")
+loadfile(pipeworks.modpath.."/crafts.lua")(materials)
 
 minetest.register_alias("pipeworks:pipe", "pipeworks:pipe_110000_empty")
 

materials.lua

@@ -0,0 +1,67 @@
+local materials = {
+    stone = "default:stone",
+    desert_stone = "default:desert_stone",
+    desert_sand = "default:desert_sand",
+    chest = "default:chest",
+    copper_ingot = "default:copper_ingot",
+    steel_ingot = "default:steel_ingot",
+    gold_ingot = "default:gold_ingot",
+    mese = "default:mese",
+    mese_crystal = "default:mese_crystal",
+    mese_crystal_fragment = "default:mese_crystal_fragment",
+    teleporter = "default:mese",
+    glass = "default:glass"
+}
+
+if minetest.get_modpath("mcl_core") then
+    materials = {
+        stone = "mcl_core:stone",
+        desert_stone = "mcl_core:redsandstone",
+        desert_sand = "mcl_core:sand",
+        chest = "mcl_chests:chest",
+        steel_ingot = "mcl_core:iron_ingot",
+        gold_ingot = "mcl_core:gold_ingot",
+        mese = "mesecons_torch:redstoneblock",
+        mese_crystal = "mesecons:redstone",
+        mese_crystal_fragment = "mesecons:redstone",
+        teleporter = "mesecons_torch:redstoneblock",
+        copper_ingot = "mcl_copper:copper_ingot",
+        glass = "mcl_core:glass",
+    }
+elseif minetest.get_modpath("fl_ores") and minetest.get_modpath("fl_stone") then
+    materials = {
+        stone = "fl_stone:stone",
+        desert_stone = "fl_stone:desert_stone",
+        desert_sand = "fl_stone:desert_sand",
+        chest = "fl_storage:wood_chest",
+        steel_ingot = "fl_ores:iron_ingot",
+        gold_ingot = "fl_ores:gold_ingot",
+        mese = "fl_ores:iron_ingot",
+        mese_crystal = "fl_ores:iron_ingot",
+        mese_crystal_fragment = "fl_ores:iron_ingot",
+        teleporter = "fl_ores:iron_ingot",
+        copper_ingot = "fl_ores:copper_ingot",
+        glass = "fl_glass:framed_glass",
+    }
+elseif minetest.get_modpath("hades_core") then
+    materials = {
+        stone = "hades_core:stone",
+        desert_stone = "hades_core:stone_baked",
+        desert_sand = "hades_core:volcanic_sand",
+        chest = "hades_chests:chest";
+        steel_ingot = "hades_core:steel_ingot",
+        gold_ingot = "hades_core:gold_ingot",
+        mese = "hades_core:mese",
+        mese_crystal = "hades_core:mese_crystal",
+        mese_crystal_fragment = "hades_core:mese_crystal_fragment",
+        teleporter = "hades_materials:teleporter_device",
+        copper_ingot = "hades_core:copper_ingot",
+        tin_ingot = "hades_core:tin_ingot",
+        glass = "hades_core:glass",
+    }
+    if minetest.get_modpath("hades_default") then
+        materials.desert_sand = "hades_default:desert_sand"
+    end
+end
+
+return materials

tubes/embedded_tube.lua

@@ -0,0 +1,68 @@
+local materials = ...
+local S = minetest.get_translator("pipeworks")
+
+local straight = function(pos, node, velocity, stack) return {velocity} end
+local steel_tex = "[combine:16x16^[noalpha^[colorize:#D3D3D3"
+if minetest.get_modpath("default") then steel_tex = "default_steel_block.png" end
+
+-- register an embedded tube
+function pipeworks.register_embedded_tube(nodename, opts)
+	minetest.register_node(nodename, {
+		description = opts.description,
+		tiles = {
+			opts.base_texture,
+			opts.base_texture,
+			opts.base_texture,
+			opts.base_texture,
+			opts.base_texture .. "^pipeworks_tube_connection_metallic.png",
+			opts.base_texture .. "^pipeworks_tube_connection_metallic.png",
+		},
+		paramtype = "light",
+		paramtype2 = "facedir",
+		groups = {
+			cracky = 1,
+			oddly_breakable_by_hand = 1,
+			tubedevice = 1,
+			dig_glass = 2,
+			pickaxey=1,
+			handy=1
+		},
+		_mcl_hardness = 0.8,
+		legacy_facedir_simple = true,
+		_sound_def = {
+			key = "node_sound_stone_defaults",
+		},
+		tube = {
+			connect_sides = {
+				front = 1,
+				back = 1
+			},
+			priority = 50,
+			can_go = straight,
+			can_insert = function(pos, node, stack, direction)
+				local dir = minetest.facedir_to_dir(node.param2)
+				return vector.equals(dir, direction) or vector.equals(vector.multiply(dir, -1), direction)
+			end
+		},
+		after_place_node = pipeworks.after_place,
+		after_dig_node = pipeworks.after_dig,
+		on_rotate = pipeworks.on_rotate,
+	})
+
+	minetest.register_craft( {
+		output = nodename .. " 1",
+		recipe = {
+			{ opts.base_ingredient, opts.base_ingredient, opts.base_ingredient },
+			{ opts.base_ingredient, "pipeworks:tube_1", opts.base_ingredient },
+			{ opts.base_ingredient, opts.base_ingredient, opts.base_ingredient }
+		},
+	})
+	pipeworks.ui_cat_tube_list[#pipeworks.ui_cat_tube_list+1] = nodename
+end
+
+-- steelblock embedded tube
+pipeworks.register_embedded_tube("pipeworks:steel_block_embedded_tube", {
+	description = S("Airtight steelblock embedded tube"),
+	base_texture = steel_tex,
+	base_ingredient = materials.steel_ingot
+})

tubes/pane_embedded_tube.lua

@@ -1,39 +1,6 @@
 local S = minetest.get_translator("pipeworks")
 
 local straight = function(pos, node, velocity, stack) return {velocity} end
-local steel_tex = "[combine:16x16^[noalpha^[colorize:#D3D3D3"
-if minetest.get_modpath("default") then steel_tex = "default_steel_block.png" end
-
-minetest.register_node("pipeworks:steel_block_embedded_tube", {
-	description = S("Airtight steelblock embedded tube"),
-	tiles = {
-		steel_tex, steel_tex,
-		steel_tex, steel_tex,
-		steel_tex .. "^pipeworks_tube_connection_metallic.png",
-		steel_tex .. "^pipeworks_tube_connection_metallic.png",
-		},
-	paramtype = "light",
-	paramtype2 = "facedir",
-	groups = {cracky=1, oddly_breakable_by_hand = 1, tubedevice = 1, dig_glass = 2, pickaxey=1, handy=1},
-	_mcl_hardness=0.8,
-	legacy_facedir_simple = true,
-	_sound_def = {
-        key = "node_sound_stone_defaults",
-    },
-	tube = {
-		connect_sides = {front = 1, back = 1,},
-		priority = 50,
-		can_go = straight,
-		can_insert = function(pos, node, stack, direction)
-			local dir = minetest.facedir_to_dir(node.param2)
-			return vector.equals(dir, direction) or vector.equals(vector.multiply(dir, -1), direction)
-		end,
-	},
-	after_place_node = pipeworks.after_place,
-	after_dig_node = pipeworks.after_dig,
-	on_rotate = pipeworks.on_rotate,
-})
-pipeworks.ui_cat_tube_list[#pipeworks.ui_cat_tube_list+1] = "pipeworks:steel_block_embedded_tube"
 
 local pane_box = {
 	type = "fixed",