Merge remote-tracking branch 'upstream/master'

extension of d2954c52, using the same compatibility check for now, though it would be good to bump the minimum minetest version to 5.4 at some point

fixes #11

.github/workflows/luacheck.yml

@@ -0,0 +1,13 @@
+name: luacheck
+on: [push, pull_request]
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@master
+    - name: apt
+      run: sudo apt-get install -y luarocks
+    - name: luacheck install
+      run: luarocks install --local luacheck
+    - name: luacheck run
+      run: $HOME/.luarocks/bin/luacheck ./

.luacheckrc

@@ -0,0 +1,24 @@
+unused_args = false
+max_line_length= 240
+redefined = false
+
+globals = {
+	"pipeworks",
+	"luaentity"
+}
+
+read_globals = {
+	-- Stdlib
+	string = {fields = {"split"}},
+	table = {fields = {"copy", "getn"}},
+
+	-- Minetest
+	"vector", "ItemStack",
+	"dump", "minetest",
+	"VoxelManip", "VoxelArea",
+
+	-- mods
+	"default", "mesecon", "digiline",
+	"screwdriver", "unified_inventory"
+
+}

README

@@ -1,7 +1,7 @@
 This mod uses nodeboxes to supply a complete set of 3D pipes and tubes, 
 along devices that work with them.
 
-See https://gitlab.com/VanessaE/pipeworks/wikis/ for detailed information about usage of this mod.
+See https://github.com/mt-mods/pipeworks/wiki/ for detailed information about usage of this mod.
 
 Unlike the previous version of this mod, these pipes are rounded, and when 
 placed, they'll automatically join together as needed.  Pipes can go vertically 

autocrafter.lua

@@ -67,8 +67,11 @@ local function run_autocrafter(pos, elapsed)
 	local inventory = meta:get_inventory()
 	local craft = get_craft(pos, inventory)
 	local output_item = craft.output.item
+	-- NALC: existence de limitgroup ?
+	local limitcraft = minetest.get_item_group(output_item:get_name(), "limitcraft") or 0
 	-- only use crafts that have an actual result
-	if output_item:is_empty() then
+	-- NALC: ou si l'item n'est pas dans le group limitcraft
+	if output_item:is_empty() or limitcraft > 0 then
 		meta:set_string("infotext", S("unconfigured Autocrafter: unknown recipe"))
 		return false
 	end
@@ -190,8 +193,9 @@ local function update_meta(meta, enabled)
 			"listring[context;dst]" ..
 			"listring[current_player;main]"
 	if minetest.get_modpath("digilines") then
-		fs = fs.."field[1,3.5;4,1;channel;"..S("Channel")..";${channel}]"
-		fs = fs.."button_exit[5,3.2;2,1;save;"..S("Save").."]"
+		fs = fs.."field[0.3,3.5;4.5,1;channel;"..S("Channel")..";${channel}]"..
+			"button[4.5,3.2;1.5,1;set_channel;"..S("Set").."]"..
+			"button_exit[6,3.2;2,1;close;"..S("Close").."]"
 	end
 	meta:set_string("formspec",fs)
 
@@ -276,7 +280,9 @@ minetest.register_node("pipeworks:autocrafter", {
 		update_meta(meta, false)
 	end,
 	on_receive_fields = function(pos, formname, fields, sender)
-		if not pipeworks.may_configure(pos, sender) then return end
+		if (fields.quit and not fields.key_enter_field) or not pipeworks.may_configure(pos, sender) then
+			return
+		end
 		local meta = minetest.get_meta(pos)
 		if fields.on then
 			update_meta(meta, false)
@@ -285,7 +291,8 @@ minetest.register_node("pipeworks:autocrafter", {
 			if update_meta(meta, true) then
 				start_crafter(pos)
 			end
-		elseif fields.save then
+		end
+		if fields.channel then
 			meta:set_string("channel", fields.channel)
 		end
 	end,
@@ -423,6 +430,7 @@ minetest.register_node("pipeworks:autocrafter", {
 		},
 	},
 })
+pipeworks.ui_cat_tube_list[#pipeworks.ui_cat_tube_list+1] = "pipeworks:autocrafter"
 
 minetest.register_craft( {
 	output = "pipeworks:autocrafter 2",

compat-furnaces.lua

@@ -188,9 +188,26 @@ local function furnace_node_timer(pos, elapsed)
 					-- No valid fuel in fuel list
 					fuel_totaltime = 0
 					src_time = 0
+				else
+					-- prevent blocking of fuel inventory (for automatization mods)
+					local is_fuel = minetest.get_craft_result({method = "fuel", width = 1, items = {afterfuel.items[1]:to_string()}})
+					if is_fuel.time == 0 then
+						table.insert(fuel.replacements, afterfuel.items[1])
+						inv:set_stack("fuel", 1, "")
 					else
 						-- Take fuel from fuel list
 						inv:set_stack("fuel", 1, afterfuel.items[1])
+					end
+					-- Put replacements in dst list or drop them on the furnace.
+					local replacements = fuel.replacements
+					if replacements[1] then
+						local leftover = inv:add_item("dst", replacements[1])
+						if not leftover:is_empty() then
+							local above = vector.new(pos.x, pos.y + 1, pos.z)
+							local drop_pos = minetest.find_node_near(above, 1, {"air"}) or above
+							minetest.item_drop(replacements[1], nil, drop_pos)
+						end
+					end
 					update = true
 					fuel_totaltime = fuel.time + (fuel_time - fuel_totaltime)
 					src_time = src_time + elapsed

decorative_tubes.lua

@@ -28,6 +28,7 @@ minetest.register_node("pipeworks:steel_block_embedded_tube", {
 	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"
 
 minetest.register_craft( {
 	output = "pipeworks:steel_block_embedded_tube 1",
@@ -45,6 +46,10 @@ local pane_box = {
 		{ -8/16, -8/16, -1/16, 8/16, 8/16, 1/16 } -- pane
 	}
 }
+
+local texture_alpha_mode = minetest.features.use_texture_alpha_string_modes
+	and "clip" or true
+
 minetest.register_node("pipeworks:steel_pane_embedded_tube", {
 	drawtype = "nodebox",
 	description = S("Airtight panel embedded tube"),
@@ -55,6 +60,7 @@ minetest.register_node("pipeworks:steel_pane_embedded_tube", {
 		"pipeworks_pane_embedded_tube_sides.png",
 		"pipeworks_pane_embedded_tube_ends.png", "pipeworks_pane_embedded_tube_ends.png",
 		},
+	use_texture_alpha = texture_alpha_mode,
 	node_box = pane_box,
 	selection_box = pane_box,
 	collision_box = pane_box,
@@ -76,6 +82,7 @@ minetest.register_node("pipeworks:steel_pane_embedded_tube", {
 	after_dig_node = pipeworks.after_dig,
 	on_rotate = pipeworks.on_rotate,
 })
+pipeworks.ui_cat_tube_list[#pipeworks.ui_cat_tube_list+1] = "pipeworks:steel_pane_embedded_tube"
 
 minetest.register_craft( {
 	output = "pipeworks:steel_pane_embedded_tube 1",

devices.lua

@@ -1,6 +1,8 @@
 local S = minetest.get_translator("pipeworks")
 local new_flow_logic_register = pipeworks.flowables.register
 
+local texture_alpha_mode = minetest.features.use_texture_alpha_string_modes
+
 local polys = ""
 if pipeworks.enable_lowpoly then polys = "_lowpoly" end
 
@@ -28,7 +30,9 @@ function pipeworks.rotate_on_place(itemstack, placer, pointed_thing)
 		if (not placer:get_player_control().sneak)
 		  and minetest.registered_nodes[node.name]
 		  and minetest.registered_nodes[node.name].on_rightclick then
-			minetest.registered_nodes[node.name].on_rightclick(pointed_thing.under, node, placer, itemstack)
+			minetest.registered_nodes[node.name].on_rightclick(pointed_thing.under,
+				node, placer, itemstack, pointed_thing)
+
 		else
 
 			local pitch = placer:get_look_pitch()
@@ -140,6 +144,7 @@ for s in ipairs(states) do
 		drawtype = "mesh",
 		mesh = "pipeworks_pump"..polys..".obj",
 		tiles = { "pipeworks_pump_"..states[s]..".png" },
+		use_texture_alpha = texture_alpha_mode and "clip" or true,
 		paramtype = "light",
 		paramtype2 = "facedir",
 		groups = dgroups,
@@ -222,6 +227,8 @@ for s in ipairs(states) do
 		new_flow_logic_register.directional_horizonal_rotate(nodename_valve_empty, true)
 	end
 end
+pipeworks.ui_cat_tube_list[#pipeworks.ui_cat_tube_list+1] = "pipeworks:pump_off"
+pipeworks.ui_cat_tube_list[#pipeworks.ui_cat_tube_list+1] = "pipeworks:valve_off_empty"
 
 local nodename_valve_loaded = "pipeworks:valve_on_loaded"
 minetest.register_node(nodename_valve_loaded, {
@@ -282,6 +289,7 @@ minetest.register_node("pipeworks:grating", {
 		"pipeworks_grating_sides.png",
 		"pipeworks_grating_sides.png"
 	},
+	use_texture_alpha = texture_alpha_mode and "clip" or true,
 	drawtype = "nodebox",
 	node_box = {
 		type = "fixed",
@@ -301,6 +309,7 @@ minetest.register_node("pipeworks:grating", {
 	end,
 	on_rotate = false
 })
+pipeworks.ui_cat_tube_list[#pipeworks.ui_cat_tube_list+1] = "pipeworks:grating"
 
 -- outlet spigot
 
@@ -352,6 +361,7 @@ minetest.register_node(nodename_spigot_loaded, {
 		},
 		{ name = "pipeworks_spigot.png" }
 	},
+	use_texture_alpha = texture_alpha_mode and "blend" or true,
 	sunlight_propagates = true,
 	paramtype = "light",
 	paramtype2 = "facedir",
@@ -378,6 +388,8 @@ minetest.register_node(nodename_spigot_loaded, {
 	drop = "pipeworks:spigot",
 	on_rotate = pipeworks.fix_after_rotation
 })
+pipeworks.ui_cat_tube_list[#pipeworks.ui_cat_tube_list+1] = "pipeworks:spigot"
+
 -- new flow logic does not currently distinguish between these two visual states.
 -- register both so existing flowing spigots continue to work (even if the visual doesn't match the spigot's behaviour).
 new_flow_logic_register.directional_horizonal_rotate(nodename_spigot_empty, false)
@@ -441,6 +453,9 @@ minetest.register_node(nodename_panel_loaded, {
 	drop = "pipeworks:entry_panel_empty",
 	on_rotate = pipeworks.fix_after_rotation
 })
+
+pipeworks.ui_cat_tube_list[#pipeworks.ui_cat_tube_list+1] = "pipeworks:entry_panel_empty"
+
 -- TODO: AFAIK the two panels have no visual difference, so are redundant under new flow logic - alias?
 new_flow_logic_register.directional_horizonal_rotate(nodename_panel_empty, true)
 new_flow_logic_register.directional_horizonal_rotate(nodename_panel_loaded, true)
@@ -525,6 +540,8 @@ minetest.register_node(nodename_sensor_loaded, {
 	mesecons = pipereceptor_on,
 	on_rotate = pipeworks.fix_after_rotation
 })
+pipeworks.ui_cat_tube_list[#pipeworks.ui_cat_tube_list+1] = "pipeworks:flow_sensor_empty"
+
 new_flow_logic_register.directional_horizonal_rotate(nodename_sensor_empty, true)
 new_flow_logic_register.directional_horizonal_rotate(nodename_sensor_loaded, true)
 -- activate flow sensor at roughly half the pressure pumps drive pipes
@@ -603,6 +620,7 @@ for fill = 0, 10 do
 		on_rotate = false
 	})
 end
+pipeworks.ui_cat_tube_list[#pipeworks.ui_cat_tube_list+1] = "pipeworks:storage_tank_0"
 
 -- fountainhead
 
@@ -639,6 +657,7 @@ minetest.register_node(nodename_fountain_empty, {
 	},
 	on_rotate = false
 })
+pipeworks.ui_cat_tube_list[#pipeworks.ui_cat_tube_list+1] = "pipeworks:fountainhead"
 
 local nodename_fountain_loaded = "pipeworks:fountainhead_pouring"
 minetest.register_node(nodename_fountain_loaded, {
@@ -734,6 +753,7 @@ minetest.register_node(nodename_sp_loaded, {
 	check_for_pole = pipeworks.check_for_vert_pipe,
 	check_for_horiz_pole = pipeworks.check_for_horiz_pipe
 })
+pipeworks.ui_cat_tube_list[#pipeworks.ui_cat_tube_list+1] = "pipeworks:straight_pipe_empty"
 
 new_flow_logic_register.directional_horizonal_rotate(nodename_sp_empty, true)
 new_flow_logic_register.directional_horizonal_rotate(nodename_sp_loaded, true)

filter-injector.lua

@@ -14,17 +14,20 @@ local function set_filter_formspec(data, meta)
 
 	local formspec
 	if data.digiline then
-		formspec = "size[8,2.7]"..
-			"item_image[0,0;1,1;pipeworks:"..data.name.."]"..
-			"label[1,0;"..minetest.formspec_escape(itemname).."]"..
-			"field[0.3,1.5;8.0,1;channel;"..S("Channel")..";${channel}]"..
-			fs_helpers.cycling_button(meta, "button[0,2;4,1", "slotseq_mode",
+		formspec =
+			"size[8.5,3]"..
+			"item_image[0.2,0;1,1;pipeworks:"..data.name.."]"..
+			"label[1.2,0.2;"..minetest.formspec_escape(itemname).."]"..
+			"field[0.5,1.6;4.6,1;channel;"..S("Channel")..";${channel}]"..
+			"button[4.8,1.3;1.5,1;set_channel;"..S("Set").."]"..
+			fs_helpers.cycling_button(meta, "button[0.2,2.3;4.05,1", "slotseq_mode",
 				{S("Sequence slots by Priority"),
 				 S("Sequence slots Randomly"),
 				 S("Sequence slots by Rotation")})..
-			fs_helpers.cycling_button(meta, "button[4,2;4,1", "exmatch_mode",
+			fs_helpers.cycling_button(meta, "button[4.25,2.3;4.05,1", "exmatch_mode",
 				{S("Exact match - off"),
-				 S("Exact match - on")})
+				 S("Exact match - on")})..
+			"button_exit[6.3,1.3;2,1;close;"..S("Close").."]"
 	else
 		local exmatch_button = ""
 		if data.stackwise then
@@ -425,10 +428,14 @@ for _, data in ipairs({
 		end
 
 		node.on_receive_fields = function(pos, formname, fields, sender)
-			if not pipeworks.may_configure(pos, sender) then return end
+			if (fields.quit and not fields.key_enter_field)
+			or not pipeworks.may_configure(pos, sender) then
+				return
+			end
+
 			fs_helpers.on_receive_fields(pos, fields)
 
-			if fields.channel then
+			if fields.channel and (fields.key_enter_field == "channel" or fields.set_channel) then
 				minetest.get_meta(pos):set_string("channel", fields.channel)
 			end
 
@@ -472,6 +479,7 @@ for _, data in ipairs({
 
 
 	minetest.register_node("pipeworks:"..data.name, node)
+	pipeworks.ui_cat_tube_list[#pipeworks.ui_cat_tube_list+1] = "pipeworks:"..data.name
 end
 
 minetest.register_craft( {

init.lua

@@ -5,6 +5,7 @@
 --
 
 pipeworks = {}
+pipeworks.ui_cat_tube_list = {}
 
 pipeworks.worldpath = minetest.get_worldpath()
 pipeworks.modpath = minetest.get_modpath("pipeworks")
@@ -148,4 +149,16 @@ end
 
 minetest.register_alias("pipeworks:pipe", "pipeworks:pipe_110000_empty")
 
+-- Unified Inventory categories integration
+
+if minetest.global_exists("unified_inventory") and unified_inventory.registered_categories then
+	if not unified_inventory.registered_categories["automation"] then
+		unified_inventory.register_category("automation", {
+			symbol = "pipeworks:lua_tube000000",
+			label = "Automation components"
+		})
+	end
+	unified_inventory.add_category_items("automation", pipeworks.ui_cat_tube_list)
+end
+
 minetest.log("info", "Pipeworks loaded!")

item_transport.lua

@@ -1,5 +1,5 @@
 local luaentity = pipeworks.luaentity
-local enable_max_limit = minetest.settings:get("pipeworks_enable_items_per_tube_limit")
+local enable_max_limit = minetest.settings:get_bool("pipeworks_enable_items_per_tube_limit")
 local max_tube_limit = tonumber(minetest.settings:get("pipeworks_max_items_per_tube")) or 30
 if enable_max_limit == nil then enable_max_limit = true end
 
@@ -55,15 +55,22 @@ end)
 -- tube overload mechanism:
 -- when the tube's item count (tracked in the above tube_item_count table)
 -- exceeds the limit configured per tube, replace it with a broken one.
+
+function pipeworks.break_tube(pos)
+	local node = minetest.get_node(pos)
+	local meta = minetest.get_meta(pos)
+	meta:set_string("the_tube_was", minetest.serialize(node))
+	minetest.swap_node(pos, {name = "pipeworks:broken_tube_1"})
+	pipeworks.scan_for_tube_objects(pos)
+end
+
 local crunch_tube = function(pos, cnode, cmeta)
 	if enable_max_limit then
 		local h = minetest.hash_node_position(pos)
 		local itemcount = tube_item_count[h] or 0
 		if itemcount > max_tube_limit then
-			cmeta:set_string("the_tube_was", minetest.serialize(cnode))
 			pipeworks.logger("Warning - a tube at "..minetest.pos_to_string(pos).." broke due to too many items ("..itemcount..")")
-			minetest.swap_node(pos, {name = "pipeworks:broken_tube_1"})
-			pipeworks.scan_for_tube_objects(pos)
+			pipeworks.break_tube(pos)
 		end
 	end
 end

locale/pipeworks.fr.tr

@@ -3,6 +3,10 @@
 # License: CC-by-SA 4.0
 # Author: Louis Royer <4259825-lroyer@users.noreply.gitlab.com>
 
+## generic interaction
+Set=Fixer
+Close=Fermer
+
 ## digilines interfacing
 Channel=Canal
 
@@ -86,11 +90,12 @@ Sorting pneumatic tube=Tuyau pneumatique triant
 
 ## teleport tube
 Receive=Reception
-channels are public by default=Les canaux sont publics par défaut
-use <player>:<channel> for fully private channels=Utilisez <joueur>:<canal> pour un canal entièrement privé
-use <player>;<channel> for private receivers=Utilisez <joueur>;<canal> pour une réception privée
+Channels are public by default=Les canaux sont publics par défaut
+Use <player>:<channel> for fully private channels=Utilisez <joueur>:<canal> pour un canal entièrement privé
+Use <player>;<channel> for private receivers=Utilisez <joueur>;<canal> pour une réception privée
 Teleporting Pneumatic Tube Segment=Segment de tuyau pneumatique téléporteur
-unconfigured Teleportation Tube=Tuyau téléporteur non-configuré
+Teleporting Tube=Tuyau pneumatique téléporteur
+Unconfigured Teleportation Tube=Tuyau téléporteur non-configuré
 Sorry, channel '@1' is reserved for exclusive use by @2=Désolé, le canal '@1' est réservé exclusivement à l’utilisateur @2.
 Sorry, receiving from channel '@1' is reserved for @2=Désolé, la réception depuis le canal '@1' est réservée pour @2.
 Teleportation Tube @1 on '@2'=Tuyau de téléportation @1 sur '@2'
@@ -102,7 +107,9 @@ Trash Can=Poubelle
 Pneumatic tube segment (legacy)=Segment de tuyau pneumatique (obsolète)
 
 ## vacuum tubes
+Radius=Rayon
 Vacuuming Pneumatic Tube Segment=Segment de tuyau pneumatique aspirant
+Adjustable Vacuuming Tube=Tuyau pneumatique aspirant réglable
 Adjustable Vacuuming Pneumatic Tube Segment=Segment de tuyau pneumatique aspirant réglable
 Adjustable Vacuuming Pneumatic Tube Segment (@1m)=Segment de tuyau pneumatique aspirant réglable (@1 m)
 

locale/pipeworks.zh_CN.tr

@@ -2,6 +2,10 @@
 # License: CC-by-SA 4.0
 # Author: pevernow <3450354617@qq.com>
 
+## generic interaction
+Set=
+Cancel=
+
 ## digilines interfacing
 Channel=频道
 
@@ -84,11 +88,12 @@ Sorting pneumatic tube=分类管道
 
 ## teleport tube
 Receive=接收
-channels are public by default=频道默认为公开
-use <player>:<channel> for fully private channels=将<player>:<channel>用于完全私人的频道
-use <player>;<channel> for private receivers=使用<player>;<channel>作为私人接收器
+Channels are public by default=频道默认为公开
+Use <player>:<channel> for fully private channels=将<player>:<channel>用于完全私人的频道
+Use <player>;<channel> for private receivers=使用<player>;<channel>作为私人接收器
 Teleporting Pneumatic Tube Segment=传送管道
-unconfigured Teleportation Tube=未配置的传送管道
+Teleporting Tube=
+Unconfigured Teleportation Tube=未配置的传送管道
 Sorry, channel '@1' is reserved for exclusive use by @2=抱歉，频道‘@1’保留供‘@2’专用
 Sorry, receiving from channel '@1' is reserved for @2=抱歉，从频道'@1'接收的内容已保留给'@2'
 Teleportation Tube @1 on '@2'=传送管'@1'在'@2'上
@@ -100,7 +105,9 @@ Trash Can=垃圾箱
 Pneumatic tube segment (legacy)=普通管道（旧式）
 
 ## vacuum tubes
+Radius=
 Vacuuming Pneumatic Tube Segment=拾取管道
+Adjustable Vacuuming Tube=
 Adjustable Vacuuming Pneumatic Tube Segment=高级拾取管道
 Adjustable Vacuuming Pneumatic Tube Segment (@1m)=高级拾取管道(@1m)
 

locale/template.txt

@@ -3,6 +3,10 @@
 # License: CC-by-SA 4.0
 # Author:
 
+## generic interaction
+Set=
+Cancel=
+
 ## digilines interfacing
 Channel=
 
@@ -86,11 +90,12 @@ Sorting pneumatic tube=
 
 ## teleport tube
 Receive=
-channels are public by default=
-use <player>:<channel> for fully private channels=
-use <player>;<channel> for private receivers=
+Channels are public by default=
+Use <player>:<channel> for fully private channels=
+Use <player>;<channel> for private receivers=
 Teleporting Pneumatic Tube Segment=
-unconfigured Teleportation Tube=
+Teleporting Tube=
+Unconfigured Teleportation Tube=
 Sorry, channel '@1' is reserved for exclusive use by @2=
 Sorry, receiving from channel '@1' is reserved for @2=
 Teleportation Tube @1 on '@2'=
@@ -102,7 +107,9 @@ Trash Can=
 Pneumatic tube segment (legacy)=
 
 ## vacuum tubes
+Radius=
 Vacuuming Pneumatic Tube Segment=
+Adjustable Vacuuming Tube=
 Adjustable Vacuuming Pneumatic Tube Segment=
 Adjustable Vacuuming Pneumatic Tube Segment (@1m)=
 

lua_tube.lua

@@ -666,6 +666,7 @@ local function reset_formspec(meta, code, errmsg)
 	code = minetest.formspec_escape(code or "")
 	errmsg = minetest.formspec_escape(tostring(errmsg or ""))
 	meta:set_string("formspec", "size[12,10]"
+		.."style_type[label,textarea;font=mono]"
 		.."background[-0.2,-0.25;12.4,10.75;jeija_luac_background.png]"
 		.."label[0.1,8.3;"..errmsg.."]"
 		.."textarea[0.2,0.2;12.2,9.5;code;;"..code.."]"
@@ -813,82 +814,56 @@ local tiles_base = {
 	"pipeworks_mese_tube_plain_2.png", "pipeworks_mese_tube_plain_1.png",
 	"pipeworks_mese_tube_plain_6.png", "pipeworks_mese_tube_plain_5.png"}
 
+local tiles_on_off = {
+	R__0   = "^pipeworks_lua_tube_port_%s.png",
+	R_90  = "^(pipeworks_lua_tube_port_%s.png^[transformR90)",
+	R180 = "^(pipeworks_lua_tube_port_%s.png^[transformR180)",
+	R270 = "^(pipeworks_lua_tube_port_%s.png^[transformR270)"
+}
+
+local texture_alpha_mode = minetest.features.use_texture_alpha_string_modes
+	and "clip" or true
+
 for red    = 0, 1 do -- 0 = off  1 = on
 for blue   = 0, 1 do
 for yellow = 0, 1 do
 for green  = 0, 1 do
 for black  = 0, 1 do
 for white  = 0, 1 do
-	local cid = tostring(white)..tostring(black)..tostring(green)..
-			tostring(yellow)..tostring(blue)..tostring(red)
+	local cid = white..black..green..yellow..blue..red
 	local node_name = BASENAME..cid
+
 	local tiles = table.copy(tiles_base)
-	if red == 1 then
-		tiles[1] = tiles[1].."^(pipeworks_lua_tube_port_on.png^[transformR90)"
-		tiles[2] = tiles[2].."^(pipeworks_lua_tube_port_on.png^[transformR90)"
-		tiles[5] = tiles[5].."^(pipeworks_lua_tube_port_on.png^[transformR270)"
-		tiles[6] = tiles[6].."^(pipeworks_lua_tube_port_on.png^[transformR90)"
-	else
-		tiles[1] = tiles[1].."^(pipeworks_lua_tube_port_off.png^[transformR90)"
-		tiles[2] = tiles[2].."^(pipeworks_lua_tube_port_off.png^[transformR90)"
-		tiles[5] = tiles[5].."^(pipeworks_lua_tube_port_off.png^[transformR270)"
-		tiles[6] = tiles[6].."^(pipeworks_lua_tube_port_off.png^[transformR90)"
-	end
-	if blue == 1 then
-		tiles[1] = tiles[1].."^(pipeworks_lua_tube_port_on.png^[transformR270)"
-		tiles[2] = tiles[2].."^(pipeworks_lua_tube_port_on.png^[transformR270)"
-		tiles[5] = tiles[5].."^(pipeworks_lua_tube_port_on.png^[transformR90)"
-		tiles[6] = tiles[6].."^(pipeworks_lua_tube_port_on.png^[transformR270)"
-	else
-		tiles[1] = tiles[1].."^(pipeworks_lua_tube_port_off.png^[transformR270)"
-		tiles[2] = tiles[2].."^(pipeworks_lua_tube_port_off.png^[transformR270)"
-		tiles[5] = tiles[5].."^(pipeworks_lua_tube_port_off.png^[transformR90)"
-		tiles[6] = tiles[6].."^(pipeworks_lua_tube_port_off.png^[transformR270)"
-	end
-	if yellow == 1 then
-		tiles[3] = tiles[3].."^(pipeworks_lua_tube_port_on.png^[transformR180)"
-		tiles[4] = tiles[4].."^(pipeworks_lua_tube_port_on.png^[transformR180)"
-		tiles[5] = tiles[5].."^(pipeworks_lua_tube_port_on.png^[transformR180)"
-		tiles[6] = tiles[6].."^(pipeworks_lua_tube_port_on.png^[transformR180)"
-	else
-		tiles[3] = tiles[3].."^(pipeworks_lua_tube_port_off.png^[transformR180)"
-		tiles[4] = tiles[4].."^(pipeworks_lua_tube_port_off.png^[transformR180)"
-		tiles[5] = tiles[5].."^(pipeworks_lua_tube_port_off.png^[transformR180)"
-		tiles[6] = tiles[6].."^(pipeworks_lua_tube_port_off.png^[transformR180)"
-	end
-	if green == 1 then
-		tiles[3] = tiles[3].."^pipeworks_lua_tube_port_on.png"
-		tiles[4] = tiles[4].."^pipeworks_lua_tube_port_on.png"
-		tiles[5] = tiles[5].."^pipeworks_lua_tube_port_on.png"
-		tiles[6] = tiles[6].."^pipeworks_lua_tube_port_on.png"
-	else
-		tiles[3] = tiles[3].."^pipeworks_lua_tube_port_off.png"
-		tiles[4] = tiles[4].."^pipeworks_lua_tube_port_off.png"
-		tiles[5] = tiles[5].."^pipeworks_lua_tube_port_off.png"
-		tiles[6] = tiles[6].."^pipeworks_lua_tube_port_off.png"
-	end
-	if black == 1 then
-		tiles[1] = tiles[1].."^(pipeworks_lua_tube_port_on.png^[transformR180)"
-		tiles[2] = tiles[2].."^pipeworks_lua_tube_port_on.png"
-		tiles[3] = tiles[3].."^(pipeworks_lua_tube_port_on.png^[transformR90)"
-		tiles[4] = tiles[4].."^(pipeworks_lua_tube_port_on.png^[transformR270)"
-	else
-		tiles[1] = tiles[1].."^(pipeworks_lua_tube_port_off.png^[transformR180)"
-		tiles[2] = tiles[2].."^pipeworks_lua_tube_port_off.png"
-		tiles[3] = tiles[3].."^(pipeworks_lua_tube_port_off.png^[transformR90)"
-		tiles[4] = tiles[4].."^(pipeworks_lua_tube_port_off.png^[transformR270)"
-	end
-	if white == 1 then
-		tiles[1] = tiles[1].."^pipeworks_lua_tube_port_on.png"
-		tiles[2] = tiles[2].."^(pipeworks_lua_tube_port_on.png^[transformR180)"
-		tiles[3] = tiles[3].."^(pipeworks_lua_tube_port_on.png^[transformR270)"
-		tiles[4] = tiles[4].."^(pipeworks_lua_tube_port_on.png^[transformR90)"
-	else
-		tiles[1] = tiles[1].."^pipeworks_lua_tube_port_off.png"
-		tiles[2] = tiles[2].."^(pipeworks_lua_tube_port_off.png^[transformR180)"
-		tiles[3] = tiles[3].."^(pipeworks_lua_tube_port_off.png^[transformR270)"
-		tiles[4] = tiles[4].."^(pipeworks_lua_tube_port_off.png^[transformR90)"
-	end
+	-- Red
+	tiles[1] = tiles[1]..tiles_on_off.R_90:format(red == 1 and "on" or "off");
+	tiles[2] = tiles[2]..tiles_on_off.R_90:format(red == 1 and "on" or "off");
+	tiles[5] = tiles[5]..tiles_on_off.R270:format(red == 1 and "on" or "off");
+	tiles[6] = tiles[6]..tiles_on_off.R_90:format(red == 1 and "on" or "off");
+	-- Blue
+	tiles[1] = tiles[1]..tiles_on_off.R270:format(blue == 1 and "on" or "off");
+	tiles[2] = tiles[2]..tiles_on_off.R270:format(blue == 1 and "on" or "off");
+	tiles[5] = tiles[5]..tiles_on_off.R_90:format(blue == 1 and "on" or "off");
+	tiles[6] = tiles[6]..tiles_on_off.R270:format(blue == 1 and "on" or "off");
+	-- Yellow
+	tiles[1] = tiles[1]..tiles_on_off.R180:format(yellow == 1 and "on" or "off");
+	tiles[2] = tiles[2]..tiles_on_off.R180:format(yellow == 1 and "on" or "off");
+	tiles[5] = tiles[5]..tiles_on_off.R180:format(yellow == 1 and "on" or "off");
+	tiles[6] = tiles[6]..tiles_on_off.R180:format(yellow == 1 and "on" or "off");
+	-- Green
+	tiles[3] = tiles[3]..tiles_on_off.R__0:format(green == 1 and "on" or "off");
+	tiles[4] = tiles[4]..tiles_on_off.R__0:format(green == 1 and "on" or "off");
+	tiles[5] = tiles[5]..tiles_on_off.R__0:format(green == 1 and "on" or "off");
+	tiles[6] = tiles[6]..tiles_on_off.R__0:format(green == 1 and "on" or "off");
+	-- Black
+	tiles[1] = tiles[1]..tiles_on_off.R180:format(black == 1 and "on" or "off");
+	tiles[2] = tiles[2]..tiles_on_off.R__0:format(black == 1 and "on" or "off");
+	tiles[3] = tiles[3]..tiles_on_off.R_90:format(black == 1 and "on" or "off");
+	tiles[4] = tiles[4]..tiles_on_off.R270:format(black == 1 and "on" or "off");
+	-- White
+	tiles[1] = tiles[1]..tiles_on_off.R__0:format(white == 1 and "on" or "off");
+	tiles[2] = tiles[2]..tiles_on_off.R180:format(white == 1 and "on" or "off");
+	tiles[3] = tiles[3]..tiles_on_off.R270:format(white == 1 and "on" or "off");
+	tiles[4] = tiles[4]..tiles_on_off.R_90:format(white == 1 and "on" or "off");
 
 	local groups = {snappy = 3, tube = 1, tubedevice = 1, overheat = 1}
 	if red + blue + yellow + green + black + white ~= 0 then
@@ -933,6 +908,7 @@ for white  = 0, 1 do
 		description = "Lua controlled Tube",
 		drawtype = "nodebox",
 		tiles = tiles,
+		use_texture_alpha = texture_alpha_mode,
 		paramtype = "light",
 		is_ground_content = false,
 		groups = groups,
@@ -1006,6 +982,8 @@ end
 end
 end
 
+pipeworks.ui_cat_tube_list[#pipeworks.ui_cat_tube_list+1] = BASENAME.."000000"
+
 ------------------------------------
 -- Overheated Lua controlled Tube --
 ------------------------------------
@@ -1039,6 +1017,7 @@ tiles_burnt[4] = tiles_burnt[4].."^(pipeworks_lua_tube_port_burnt.png^[transform
 minetest.register_node(BASENAME .. "_burnt", {
 	drawtype = "nodebox",
 	tiles = tiles_burnt,
+	use_texture_alpha = texture_alpha_mode,
 	is_burnt = true,
 	paramtype = "light",
 	is_ground_content = false,

mod.conf

@@ -1,5 +1,5 @@
 name = pipeworks
 description = This mod uses mesh nodes and nodeboxes to supply a complete set of 3D pipes and tubes, along with devices that work with them.
 depends = default, basic_materials, screwdriver
-optional_depends = mesecons, mesecons_mvps, digilines, signs_lib
+optional_depends = mesecons, mesecons_mvps, digilines, signs_lib, unified_inventory
 min_minetest_version = 5.2.0

pipes.lua

@@ -133,7 +133,7 @@ for index, connects in ipairs(cconnects) do
 	new_flow_logic_register.simple(emptypipe)
 	new_flow_logic_register.simple(fullpipe)
 end
-
+pipeworks.ui_cat_tube_list[#pipeworks.ui_cat_tube_list+1] = "pipeworks:pipe_1_empty"
 
 
 if REGISTER_COMPATIBILITY then

routing_tubes.lua

@@ -10,6 +10,35 @@ minetest.register_craft( {
 	},
 })
 
+-- The hammers that can be used to break/repair tubes
+local allowed_hammers = {
+	"anvil:hammer",
+	"cottages:hammer",
+	"glooptest:hammer_steel",
+	"glooptest:hammer_bronze",
+	"glooptest:hammer_diamond",
+	"glooptest:hammer_mese",
+	"glooptest:hammer_alatro",
+	"glooptest:hammer_arol"
+}
+
+-- Convert the above list to a format that's easier to look up
+for _,hammer in ipairs(allowed_hammers) do
+	allowed_hammers[hammer] = true
+end
+
+-- Check if the player is holding a suitable hammer or not - if they are, apply wear to it
+function pipeworks.check_and_wear_hammer(player)
+	local itemstack = player:get_wielded_item()
+	local wieldname = itemstack:get_name()
+	if allowed_hammers[wieldname] then
+		itemstack:add_wear(1000)
+		player:set_wielded_item(itemstack)
+		return true
+	end
+	return false
+end
+
 local nodecolor = 0xffff3030
 
 pipeworks.register_tube("pipeworks:broken_tube", {
@@ -36,29 +65,27 @@ pipeworks.register_tube("pipeworks:broken_tube", {
 			local wieldname = itemstack:get_name()
 			local playername = puncher:get_player_name()
 			local log_msg = playername.." struck a broken tube at "..minetest.pos_to_string(pos).."\n"
-			if   wieldname == "anvil:hammer"
-			  or wieldname == "cottages:hammer"
-			  or wieldname == "glooptest:hammer_steel"
-			  or wieldname == "glooptest:hammer_bronze"
-			  or wieldname == "glooptest:hammer_diamond"
-			  or wieldname == "glooptest:hammer_mese"
-			  or wieldname == "glooptest:hammer_alatro"
-			  or wieldname == "glooptest:hammer_arol" then
 			local meta = minetest.get_meta(pos)
 			local was_node = minetest.deserialize(meta:get_string("the_tube_was"))
-				if was_node and was_node ~= "" then
-					pipeworks.logger(log_msg.."            with "..wieldname.." to repair it.")
-					minetest.swap_node(pos, { name = was_node.name, param2 = was_node.param2 })
-					pipeworks.scan_for_tube_objects(pos)
-					itemstack:add_wear(1000)
-					puncher:set_wielded_item(itemstack)
-					return itemstack
-				else
+			if not was_node then
 				pipeworks.logger(log_msg.."            but it can't be repaired.")
+				return
+			end
+			if not pipeworks.check_and_wear_hammer(puncher) then
+				if wieldname == "" then
+					pipeworks.logger(log_msg.."            by hand. It's not very effective.")
+					if minetest.settings:get_bool("enable_damage") then
+						minetest.chat_send_player(playername,S("Broken tubes may be a bit sharp. Perhaps try with a hammer?"))
+						puncher:set_hp(puncher:get_hp()-1)
 					end
 				else
 					pipeworks.logger(log_msg.."            with "..wieldname.." but that tool is too weak.")
 				end
+				return
+			end
+			pipeworks.logger(log_msg.."            with "..wieldname.." to repair it.")
+			minetest.swap_node(pos, { name = was_node.name, param2 = was_node.param2 })
+			pipeworks.scan_for_tube_objects(pos)
 		end
 	}
 })
@@ -136,11 +163,15 @@ if pipeworks.enable_crossing_tube then
 	})
 end
 
+local texture_alpha_mode = minetest.features.use_texture_alpha_string_modes
+	and "clip" or true
+
 if pipeworks.enable_one_way_tube then
 	minetest.register_node("pipeworks:one_way_tube", {
 		description = S("One way tube"),
 		tiles = {"pipeworks_one_way_tube_top.png", "pipeworks_one_way_tube_top.png", "pipeworks_one_way_tube_output.png",
 			"pipeworks_one_way_tube_input.png", "pipeworks_one_way_tube_side.png", "pipeworks_one_way_tube_top.png"},
+		use_texture_alpha = texture_alpha_mode,
 		paramtype2 = "facedir",
 		drawtype = "nodebox",
 		paramtype = "light",
@@ -165,6 +196,7 @@ if pipeworks.enable_one_way_tube then
 		check_for_pole = pipeworks.check_for_vert_tube,
 		check_for_horiz_pole = pipeworks.check_for_horiz_tube
 	})
+	pipeworks.ui_cat_tube_list[#pipeworks.ui_cat_tube_list+1] = "pipeworks:one_way_tube"
 	minetest.register_craft({
 		output = "pipeworks:one_way_tube 2",
 		recipe = {

signal_tubes.lua

@@ -1,4 +1,16 @@
 local S = minetest.get_translator("pipeworks")
+
+-- the minetest.after() calls below can sometimes trigger after a tube
+-- breaks, at which point item_exit() is no longer valid, so we have to make
+-- sure that there even IS a callback to run, first.
+
+local function after_break(pos)
+	local name = minetest.get_node(pos).name
+	if minetest.registered_nodes[name].item_exit then
+		minetest.registered_nodes[name].item_exit(pos)
+	end
+end
+
 if pipeworks.enable_detector_tube then
 	local detector_tube_step = 5 * tonumber(minetest.settings:get("dedicated_server_step"))
 	pipeworks.register_tube("pipeworks:detector_tube_on", {
@@ -8,11 +20,10 @@ if pipeworks.enable_detector_tube then
 			node_def = {
 				tube = {can_go = function(pos, node, velocity, stack)
 						 local meta = minetest.get_meta(pos)
-						 local name = minetest.get_node(pos).name
 						 local nitems = meta:get_int("nitems")+1
 						 meta:set_int("nitems", nitems)
 						 local saved_pos = vector.new(pos)
-						 minetest.after(detector_tube_step, minetest.registered_nodes[name].item_exit, saved_pos)
+						 minetest.after(detector_tube_step, after_break, saved_pos)
 						 return pipeworks.notvel(pipeworks.meseadjlist,velocity)
 					end},
 				groups = {mesecon = 2, not_in_creative_inventory = 1},
@@ -34,9 +45,7 @@ if pipeworks.enable_detector_tube then
 				on_construct = function(pos)
 					 local meta = minetest.get_meta(pos)
 					 meta:set_int("nitems", 1)
-					 local name = minetest.get_node(pos).name
-					 local saved_pos = vector.new(pos)
-					 minetest.after(detector_tube_step, minetest.registered_nodes[name].item_exit, saved_pos)
+					 minetest.after(detector_tube_step, after_break, pos)
 				end,
 			},
 	})
@@ -87,13 +96,20 @@ if digiline_enabled and pipeworks.enable_digiline_detector_tube then
 				on_construct = function(pos)
 					local meta = minetest.get_meta(pos)
 					meta:set_string("formspec",
-						"size[8.6,2.2]"..
-						"field[0.6,0.6;8,1;channel;"..S("Channel")..";${channel}]"..
-						"image[0.3,1.3;1,1;pipeworks_digiline_detector_tube_inv.png]"..
-						"label[1.6,1.2;"..S("Digiline Detecting Tube").."]"
+						"size[8.5,2.2]"..
+						"image[0.2,0;1,1;pipeworks_digiline_detector_tube_inv.png]"..
+						"label[1.2,0.2;"..S("Digiline Detecting Tube").."]"..
+						"field[0.5,1.6;4.6,1;channel;"..S("Channel")..";${channel}]"..
+						"button[4.8,1.3;1.5,1;set_channel;"..S("Set").."]"..
+						"button_exit[6.3,1.3;2,1;close;"..S("Close").."]"
 					)
 				end,
 				on_receive_fields = function(pos, formname, fields, sender)
+					if (fields.quit and not fields.key_enter_field)
+					or (fields.key_enter_field ~= "channel" and not fields.set_channel)
+					or not pipeworks.may_configure(pos, sender) then
+						return
+					end
 					if fields.channel then
 						minetest.get_meta(pos):set_string("channel", fields.channel)
 					end

sorting_tubes.lua

@@ -110,9 +110,22 @@ if pipeworks.enable_mese_tube then
 					update_formspec(pos)
 					meta:set_string("infotext", S("Sorting pneumatic tube"))
 				end,
+				after_place_node = function(pos, placer, itemstack, pointed_thing)
+					if placer and placer:is_player() and placer:get_player_control().aux1 then
+						local meta = minetest.get_meta(pos)
+						for i = 1, 6 do
+							meta:set_int("l"..tostring(i).."s", 0)
+						end
+						update_formspec(pos)
+					end
+					return pipeworks.after_place(pos, placer, itemstack, pointed_thing)
+				end,
 				on_punch = update_formspec,
 				on_receive_fields = function(pos, formname, fields, sender)
-					if not pipeworks.may_configure(pos, sender) then return end
+					if (fields.quit and not fields.key_enter_field)
+							or not pipeworks.may_configure(pos, sender) then
+						return
+					end
 					fs_helpers.on_receive_fields(pos, fields)
 					update_formspec(pos)
 				end,

teleport_tube.lua

@@ -4,6 +4,9 @@ local filename=minetest.get_worldpath() .. "/teleport_tubes"
 local tp_tube_db = nil -- nil forces a read
 local tp_tube_db_version = 2.0
 
+-- cached rceiver list: hash(pos) => {receivers}
+local cache = {}
+
 local function hash(pos)
 	return string.format("%.30g", minetest.hash_node_position(pos))
 end
@@ -18,6 +21,8 @@ local function save_tube_db()
 	else
 		error(err)
 	end
+	-- reset tp-tube cache
+	cache = {}
 end
 
 local function migrate_tube_db()
@@ -101,6 +106,12 @@ local function read_node_with_vm(pos)
 end
 
 local function get_receivers(pos, channel)
+	local hash = minetest.hash_node_position(pos)
+	if cache[hash] then
+		-- re-use cached result
+		return cache[hash]
+	end
+
 	local tubes = tp_tube_db or read_tube_db()
 	local receivers = {}
 	local dirty = false
@@ -121,20 +132,28 @@ local function get_receivers(pos, channel)
 	if dirty then
 		save_tube_db()
 	end
+	-- cache the result for next time
+	cache[hash] = receivers
 	return receivers
 end
 
 local function update_meta(meta, can_receive)
 	meta:set_int("can_receive", can_receive and 1 or 0)
 	local cr_state = can_receive and "on" or "off"
-	meta:set_string("formspec","size[8.6,2.2]"..
-			"field[0.6,0.6;7,1;channel;"..S("Channel")..";${channel}]"..
-			"label[7.3,0;"..S("Receive").."]"..
-			"image_button[7.3,0.3;1,0.6;pipeworks_button_" .. cr_state .. ".png;cr" .. (can_receive and 0 or 1) .. ";;;false;pipeworks_button_interm.png]"..
-			"image[0.3,1.3;1,1;pipeworks_teleport_tube_inv.png]"..
-			"label[1.6,1.2;"..S("channels are public by default").."]" ..
-			"label[1.6,1.5;"..S("use <player>:<channel> for fully private channels").."]" ..
-			"label[1.6,1.8;"..S("use <player>\\;<channel> for private receivers").."]" ..
+	local itext = S("Channels are public by default").."\n"..
+		S("Use <player>:<channel> for fully private channels").."\n"..
+		S("Use <player>\\;<channel> for private receivers")
+
+	meta:set_string("formspec",
+		"size[8.5,3.5]"..
+		"image[0.2,o;1,1;pipeworks_teleport_tube_inv.png]"..
+		"label[1.2,0.2;"..S("Teleporting Tube").."]"..
+		"field[0.5,1.6;4.6,1;channel;"..S("Channel")..";${channel}]"..
+		"button[4.8,1.3;1.5,1;set_channel;"..S("Set").."]"..
+		"label[7.0,0;"..S("Receive").."]"..
+		"image_button[7.0,0.5;1,0.6;pipeworks_button_" .. cr_state .. ".png;cr" .. (can_receive and 0 or 1) .. ";;;false;pipeworks_button_interm.png]"..
+		"button_exit[6.3,1.3;2,1;close;"..S("Close").."]"..
+		"label[0.2,2.3;"..itext.."]"..
 		default.gui_bg..
 		default.gui_bg_img)
 end
@@ -170,10 +189,11 @@ pipeworks.register_tube("pipeworks:teleport_tube", {
 		on_construct = function(pos)
 			local meta = minetest.get_meta(pos)
 			update_meta(meta, true)
-			meta:set_string("infotext", S("unconfigured Teleportation Tube"))
+			meta:set_string("infotext", S("Unconfigured Teleportation Tube"))
 		end,
 		on_receive_fields = function(pos,formname,fields,sender)
 			if not fields.channel -- ignore escaping or clientside manipulation of the form
+			or (fields.quit and not fields.key_enter_field)
 			or not pipeworks.may_configure(pos, sender) then
 				return
 			end
@@ -207,7 +227,7 @@ pipeworks.register_tube("pipeworks:teleport_tube", {
 
 			-- was the channel changed?
 			local channel = meta:get_string("channel")
-			if new_channel ~= channel then
+			if new_channel ~= channel and (fields.key_enter_field == "channel" or fields.set_channel) then
 				channel = new_channel
 				meta:set_string("channel", channel)
 				dirty = true
@@ -233,7 +253,7 @@ pipeworks.register_tube("pipeworks:teleport_tube", {
 				else
 					-- remove empty channel tubes, to not have to search through them
 					remove_tube(pos)
-					meta:set_string("infotext", S("unconfigured Teleportation Tube"))
+					meta:set_string("infotext", S("Unconfigured Teleportation Tube"))
 				end
 			end
 		end,
@@ -267,5 +287,7 @@ pipeworks.tptube = {
 	hash = hash,
 	save_tube_db = save_tube_db,
 	get_db = function() return tp_tube_db or read_tube_db() end,
+	set_tube = set_tube,
+	update_meta = update_meta,
 	tp_tube_db_version = tp_tube_db_version
 }

trashcan.lua

@@ -40,6 +40,7 @@ minetest.register_node("pipeworks:trashcan", {
 		minetest.get_meta(pos):get_inventory():set_stack(listname, index, ItemStack(""))
 	end,
 })
+pipeworks.ui_cat_tube_list[#pipeworks.ui_cat_tube_list+1] = "pipeworks:trashcan"
 
 minetest.register_craft({
 	output = "pipeworks:trashcan",

tube_registration.lua

@@ -26,6 +26,11 @@ local texture_mt = {
 	end
 }
 
+-- This will remove any semi-transparent pixels
+-- because that is still buggy in Minetest, force this as default
+local texture_alpha_mode = minetest.features.use_texture_alpha_string_modes
+	and "clip" or true
+
 local register_one_tube = function(name, tname, dropname, desc, plain, noctrs, ends, short, inv, special, connects, style)
 	noctrs = noctrs or default_noctrs
 	setmetatable(noctrs, texture_mt)
@@ -82,6 +87,7 @@ local register_one_tube = function(name, tname, dropname, desc, plain, noctrs, e
 		description = tubedesc,
 		drawtype = "nodebox",
 		tiles = outimgs,
+		use_texture_alpha = texture_alpha_mode,
 		sunlight_propagates = true,
 		inventory_image = iimg,
 		wield_image = iimg,
@@ -107,6 +113,18 @@ local register_one_tube = function(name, tname, dropname, desc, plain, noctrs, e
 			connect_sides = {front = 1, back = 1, left = 1, right = 1, top = 1, bottom = 1},
 			priority = 50
 		},
+		on_punch = function(pos, node, player, pointed)
+			local playername = player:get_player_name()
+			if minetest.is_protected(pos, playername) and not minetest.check_player_privs(playername, {protection_bypass=true}) then
+				return minetest.node_punch(pos, node, player, pointed)
+			end
+			if pipeworks.check_and_wear_hammer(player) then
+				local wieldname = player:get_wielded_item():get_name()
+				pipeworks.logger(string.format("%s struck a tube at %s with %s to break it.", playername, minetest.pos_to_string(pos), wieldname))
+				pipeworks.break_tube(pos)
+			end
+			return minetest.node_punch(pos, node, player, pointed)
+		end,
 		after_place_node = pipeworks.after_place,
 		after_dig_node = pipeworks.after_dig,
 		on_rotate = false,
@@ -182,6 +200,7 @@ local register_all_tubes = function(name, desc, plain, noctrs, ends, short, inv,
 		end
 		end
 		end
+		pipeworks.ui_cat_tube_list[#pipeworks.ui_cat_tube_list+1] = name.."_000000"
 	else
 		-- 6d tubes: uses only 10 nodes instead of 64, but the textures must be rotated
 		local cconnects = {{}, {1}, {1, 2}, {1, 3}, {1, 3, 5}, {1, 2, 3}, {1, 2, 3, 5}, {1, 2, 3, 4}, {1, 2, 3, 4, 5}, {1, 2, 3, 4, 5, 6}}
@@ -204,6 +223,7 @@ local register_all_tubes = function(name, desc, plain, noctrs, ends, short, inv,
 				tube = {connect_sides = {front = 1, back = 1, left = 1, right = 1, top = 1, bottom = 1}},
 				drop = name.."_1",
 			})
+			pipeworks.ui_cat_tube_list[#pipeworks.ui_cat_tube_list+1] = name.."_1"
 			table.insert(tubenodes, cname)
 			for xm = 0, 1 do
 			for xp = 0, 1 do

vacuum_tubes.lua

@@ -40,22 +40,31 @@ if pipeworks.enable_mese_sand_tube then
 				on_construct = function(pos)
 					local meta = minetest.get_meta(pos)
 					meta:set_int("dist", 0)
-					meta:set_string("formspec", "size[2.1,0.8]"..
-							"image[0,0;1,1;pipeworks_mese_sand_tube_inv.png]"..
-							"field[1.3,0.4;1,1;dist;radius;${dist}]"..
+					meta:set_string("formspec",
+						"size[6.0,2.2]"..
+						"image[0.2,0;1,1;pipeworks_mese_sand_tube_inv.png]"..
+						"label[1.2,0.2;"..S("Adjustable Vacuuming Tube").."]"..
+						"field[0.5,1.6;2.1,1;dist;"..S("Radius")..";${dist}]"..
+						"button[2.3,1.3;1.5,1;set_dist;"..S("Set").."]"..
+						"button_exit[3.8,1.3;2,1;close;"..S("Close").."]"..
 						default.gui_bg..
 						default.gui_bg_img)
 					meta:set_string("infotext", S("Adjustable Vacuuming Pneumatic Tube Segment"))
 				end,
 				on_receive_fields = function(pos,formname,fields,sender)
-					if not pipeworks.may_configure(pos, sender) then return end
+					if (fields.quit and not fields.key_enter_field)
+					or (fields.key_enter_field ~= "dist" and not fields.set_dist)
+					or not pipeworks.may_configure(pos, sender) then
+						return
+					end
+
 					local meta = minetest.get_meta(pos)
 					local dist = tonumber(fields.dist)
 					if dist then
 						dist = math.max(0, dist)
 						dist = math.min(8, dist)
 						meta:set_int("dist", dist)
-						meta:set_string("infotext", (S("Adjustable Vacuuming Pneumatic Tube Segment (@1m)", dist)))
+						meta:set_string("infotext", S("Adjustable Vacuuming Pneumatic Tube Segment (@1m)", dist))
 					end
 				end,
 			},

wielder.lua

@@ -7,7 +7,7 @@ end
 
 local function set_wielder_formspec(data, meta)
 	meta:set_string("formspec",
-			"invsize[8,"..(6+data.wield_inv_height)..";]"..
+			"size[8,"..(6+data.wield_inv_height)..";]"..
 			"item_image[0,0;1,1;"..data.name_base.."_off]"..
 			"label[1,0;"..minetest.formspec_escape(data.description).."]"..
 			"list[current_name;"..minetest.formspec_escape(data.wield_inv_name)..";"..((8-data.wield_inv_width)*0.5)..",1;"..data.wield_inv_width..","..data.wield_inv_height..";]"..
@@ -371,6 +371,7 @@ if pipeworks.enable_node_breaker then
 		eject_drops = true,
 	}
 	register_wielder(data)
+	pipeworks.ui_cat_tube_list[#pipeworks.ui_cat_tube_list+1] = "pipeworks:nodebreaker_off"
 	minetest.register_craft({
 		output = "pipeworks:nodebreaker_off",
 		recipe = {
@@ -422,6 +423,7 @@ if pipeworks.enable_deployer then
 		end,
 		eject_drops = false,
 	})
+	pipeworks.ui_cat_tube_list[#pipeworks.ui_cat_tube_list+1] = "pipeworks:deployer_off"
 	minetest.register_craft({
 		output = "pipeworks:deployer_off",
 		recipe = {
@@ -457,6 +459,7 @@ if pipeworks.enable_dispenser then
 		end,
 		eject_drops = false,
 	})
+	pipeworks.ui_cat_tube_list[#pipeworks.ui_cat_tube_list+1] = "pipeworks:dispenser_off"
 	minetest.register_craft({
 		output = "pipeworks:dispenser_off",
 		recipe = {