Merge remote-tracking branch 'upstream/master'

.github/workflows/luacheck.yml

@@ -1,17 +1,10 @@
 name: luacheck
-
 on: [push, pull_request]
-
 jobs:
-  build:
-
+  luacheck:
     runs-on: ubuntu-latest
-
     steps:
-    - uses: actions/checkout@v1
-    - 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 ./
+      - name: Checkout
+        uses: actions/checkout@main
+      - name: Luacheck
+        uses: lunarmodules/luacheck@master

.luacheckrc

@@ -1,20 +1,14 @@
+std = "min+minetest"
+
 unused_args = false
-max_line_length = 180
 
 globals = {
 	"scifi_nodes"
 }
 
 read_globals = {
-	-- Stdlib
-	string = {fields = {"split"}},
-	table = {fields = {"copy", "getn"}},
-
-	-- Minetest
-	"vector", "ItemStack",
-	"dump",
-
 	-- optional deps
+	"advtrains",
 	"default",
 	"stairsplus",
 	"xpanes",
@@ -23,6 +17,7 @@ read_globals = {
 	"mesecon",
 	"unifieddyes",
 	"letters",
+	"signs_api",
 	"stealthnode",
 	"slats",
 	"mtt"

README.md

@@ -49,6 +49,9 @@ CC BY 3.0
 
 CC0
 * scifi_nodes_digicode.ogg https://freesound.org/people/benjaminharveydesign/sounds/315921/
+* scifi_nodes_ambience_fan.ogg https://freesound.org/people/itinerantmonk108/sounds/554430/
+* scifi_nodes_ambience_vent.ogg https://freesound.org/people/kentspublicdomain/sounds/324665/
+* scifi_nodes_ambience_engine.ogg https://freesound.org/people/firestorm185/sounds/423221/
 
 
 # Contributors:

access_card.lua

@@ -0,0 +1,259 @@
+local FORMSPEC_NAME = "scifi_nodes:access_card_configure"
+
+local function create_id()
+    local template = "xxxxxx"
+    return string.gsub(template, '[x]', function ()
+            return string.format('%x', math.random(0, 0xf))
+    end)
+end
+
+local function get_door_access_table(meta)
+    local str = meta:get_string("access")
+    if str == "" then
+        -- no config
+        return {}
+    else
+        return minetest.deserialize(str) or {}
+    end
+end
+
+local function set_door_access_table(meta, at)
+    if next(at) then
+        meta:set_string("access", minetest.serialize(at))
+    else
+        meta:set_string("access", "")
+    end
+end
+
+function scifi_nodes.door_check_access_card(node_pos, itemstack, player)
+    local node_meta = minetest.get_meta(node_pos)
+    local access_table = get_door_access_table(node_meta)
+    if not next(access_table) then
+        -- access not restricted
+        return true
+    end
+
+    if not minetest.is_player(player) then
+        -- not a player, restrict access
+        return false
+    end
+
+    local playername = player:get_player_name()
+
+    if itemstack:get_name() ~= "scifi_nodes:access_card" then
+        minetest.chat_send_player(playername, minetest.colorize("#ff0000", "Access denied: no access card detected!"))
+        minetest.sound_play("scifi_nodes_scanner_refused", { pos = node_pos, max_hear_distance = 10 })
+        return false
+    end
+
+    local item_meta = itemstack:get_meta()
+    local id = item_meta:get_string("id")
+    if id == "" then
+        minetest.chat_send_player(playername, minetest.colorize("#ff0000", "Access denied: unconfigured access card"))
+        minetest.sound_play("scifi_nodes_scanner_refused", { pos = node_pos, max_hear_distance = 10 })
+        return false
+    end
+
+    if not access_table[id] then
+        minetest.chat_send_player(playername, minetest.colorize("#ff0000", "Access denied: invalid access card"))
+        minetest.sound_play("scifi_nodes_scanner_refused", { pos = node_pos, max_hear_distance = 10 })
+        return false
+    end
+
+    minetest.sound_play("scifi_nodes_scanner_granted", { pos = node_pos, max_hear_distance = 10 })
+    return true
+end
+
+-- using a card against a door toggles the access to it
+local function on_use(itemstack, player, pointed_thing)
+    local playername = player:get_player_name()
+    local pos = pointed_thing.under
+
+    if not pos then
+        -- nothing selected
+        return
+    end
+
+    if minetest.is_protected(pos, playername) then
+        -- protected
+        return
+    end
+
+    local node = minetest.get_node(pos)
+    local node_def = minetest.registered_nodes[node.name]
+    if not node_def.groups or not node_def.groups.scifi_nodes_door then
+        -- incompatible node
+        return
+    end
+
+    local item_meta = itemstack:get_meta()
+    local card_id = item_meta:get_string("id")
+    if card_id == "" then
+        minetest.chat_send_player(playername, "Access card is unconfigured")
+        return
+    end
+    local card_name = item_meta:get_string("name")
+
+    local node_meta = minetest.get_meta(pos)
+    local access_table = get_door_access_table(node_meta)
+
+    if access_table[card_id] then
+        -- remove access
+        access_table[card_id] = nil
+        minetest.chat_send_player(playername, "Revoked access to card-id '" .. card_id .. "'")
+        minetest.sound_play("scifi_nodes_scanner_refused", { pos = pos, max_hear_distance = 10 })
+    else
+        -- grant access
+        access_table[card_id] = card_name
+        minetest.chat_send_player(playername, "Granted access to card-id '" .. card_id .. "'")
+        minetest.sound_play("scifi_nodes_scanner_granted", { pos = pos, max_hear_distance = 10 })
+    end
+
+    local msg = ""
+    if next(access_table) then
+        msg = msg .. "Current registered cards: "
+        for id, name in pairs(access_table) do
+            msg = msg .. "Name: '" .. name .. "' ID: '" .. id .. "' / "
+        end
+    else
+        -- access table is empty
+        msg = "No access-card left in access-table, door is free to use"
+    end
+    minetest.chat_send_player(playername, msg)
+
+    -- set new access table
+    set_door_access_table(node_meta, access_table)
+end
+
+local function configure_access_card(meta, name)
+    local id = meta:get_string("id")
+    if id == "" then
+        -- set new id
+        id = create_id()
+        meta:set_string("id", id)
+    end
+
+    meta:set_string("name", name)
+    meta:set_string("description", "Access card '" .. name .. "' (id: '" .. id .. "')")
+end
+
+-- right-click with a card for rename/configuration
+local function on_secondary_use(itemstack, player, pointed_thing)
+    local meta = itemstack:get_meta()
+    if meta:get_string("id") == "" then
+        -- initial configuration
+        configure_access_card(meta, "")
+    end
+    local name = meta:get_string("name")
+
+    minetest.show_formspec(player:get_player_name(), FORMSPEC_NAME, [[
+        size[10,1.4]
+        real_coordinates[true]
+        field[0.1,0.4;7,0.8;name;Name;]] .. minetest.formspec_escape(name) .. [[]
+        button_exit[7.3,0.4;2.5,0.8;save;Save]
+    ]])
+
+    return itemstack
+end
+
+minetest.register_on_player_receive_fields(function(player, formname, fields)
+    if formname ~= FORMSPEC_NAME then
+        -- wrong formspec
+        return false
+    end
+
+    if not fields.save and not fields.key_enter_field then
+        -- quit
+        return true
+    end
+
+    local itemstack = player:get_wielded_item()
+    if itemstack:get_name() ~= "scifi_nodes:access_card" then
+        -- invalid item
+        return true
+    end
+
+    local meta = itemstack:get_meta()
+    configure_access_card(meta, fields.name or "")
+    player:set_wielded_item(itemstack)
+end)
+
+minetest.register_craftitem("scifi_nodes:access_card", {
+    description = "Access card (unconfigured)",
+    inventory_image = "scifi_nodes_access_card.png",
+    palette = "unifieddyes_palette_extended.png",
+    stack_max = 1,
+    paramtype2 = "color",
+    on_use = on_use,
+    on_secondary_use = on_secondary_use,
+    groups = {
+        ud_param2_colorable = 1
+    }
+})
+
+-- initial recipe
+minetest.register_craft({
+    output = "scifi_nodes:access_card",
+    recipe = {
+        {"scifi_nodes:white2", "", ""},
+        {"scifi_nodes:white_pad", "", ""},
+        {"scifi_nodes:white2", "", ""}
+    }
+})
+
+-- copy recipe
+minetest.register_craft({
+    output = "scifi_nodes:access_card",
+    recipe = {
+        {"scifi_nodes:access_card", "scifi_nodes:white_pad", ""},
+        {"", "", ""},
+        {"", "", ""}
+    }
+})
+
+minetest.register_on_craft(function(itemstack, player, old_craft_grid, craft_inv)
+    if itemstack:get_name() ~= "scifi_nodes:access_card" then
+        return
+    end
+
+    local original
+    local index
+    for i = 1, #old_craft_grid do
+        if old_craft_grid[i]:get_name() == "scifi_nodes:access_card" then
+            original = old_craft_grid[i]
+            index = i
+            break
+        end
+    end
+    if not original then
+        return
+    end
+
+    -- copy metadata
+    local src_meta = original:get_meta()
+    local dst_meta = itemstack:get_meta()
+    local copy_fields = {"id", "name", "description"}
+    for _, fieldname in ipairs(copy_fields) do
+        dst_meta:set_string(fieldname, src_meta:get_string(fieldname))
+    end
+
+    if old_craft_grid[2]:get_name() == "scifi_nodes:white_pad" then
+        -- keep original item if the copy-recipe is used
+        craft_inv:set_stack("craft", index, original)
+    end
+end)
+
+if minetest.get_modpath("unifieddyes") then
+    -- add colored crafts
+    unifieddyes.register_color_craft({
+        output = "scifi_nodes:access_card",
+        palette = "extended",
+        neutral_node = "scifi_nodes:access_card",
+        recipe = {
+            "NEUTRAL_NODE",
+            "MAIN_DYE"
+        },
+        type = "shapeless"
+    })
+
+end

ambience.lua

@@ -0,0 +1,73 @@
+
+-- currently playing sounds per mapblock
+-- mapblock_pos[number]
+local currently_playing = {}
+
+-- clear the currently playing tracker every few seconds
+local function clear_currently_playing()
+    currently_playing = {}
+    minetest.after(5, clear_currently_playing)
+end
+minetest.after(5, clear_currently_playing)
+
+-- mapblock resolution
+local function get_key(pos)
+    return minetest.pos_to_string(vector.round(vector.divide(pos, 16)))
+end
+
+local function add_currently_playing(pos, value)
+    local key = get_key(pos)
+    local count = currently_playing[key]
+    if not count then
+        -- new entry
+        count = value
+    else
+        -- update entry
+        count = count + value
+    end
+    currently_playing[key] = count
+end
+
+-- limit plaing sounds per mapblock
+local function can_play(pos)
+    local count = currently_playing[get_key(pos)]
+    return not count or count < 25
+end
+
+-- register ambience sounds with node-timer
+function scifi_nodes.register_ambience(nodename, soundname, opts)
+    assert(opts)
+    opts.interval = opts.interval or 60
+
+    local function play(pos)
+        minetest.sound_play(soundname ,{
+            max_hear_distance = opts.max_hear_distance or 16,
+            pos = pos,
+            gain = opts.gain or 0.7
+        })
+    end
+
+    minetest.override_item(nodename, {
+        on_timer = function(pos)
+            local timer = minetest.get_node_timer(pos)
+
+            if not can_play(pos) then
+                -- too many sounds playing, recheck again soon
+                timer:start(1)
+                return
+            end
+
+            -- increment usage count
+            add_currently_playing(pos, 1)
+            play(pos)
+
+            -- restart timer
+            timer:start(opts.interval)
+        end,
+        on_construct = function(pos)
+            play(pos)
+            local timer = minetest.get_node_timer(pos)
+            timer:start(opts.interval)
+        end
+    })
+end

chest.lua

@@ -1,20 +1,21 @@
+local has_default = minetest.get_modpath("default")
 
 --chest code from default(Copyright (C) 2012 celeron55, Perttu Ahola <celeron55@gmail.com>)
 local chest_formspec =
 	"size[8,9]" ..
-	default.gui_bg ..
-	default.gui_bg_img ..
-	default.gui_slots ..
+	(has_default and default.gui_bg or "") ..
+	(has_default and default.gui_bg_img or "") ..
+	(has_default and default.gui_slots or "") ..
 	"list[current_name;main;0,0.3;8,4;]" ..
 	"list[current_player;main;0,4.85;8,1;]" ..
 	"list[current_player;main;0,6.08;8,3;8]" ..
 	"listring[current_name;main]" ..
 	"listring[current_player;main]" ..
-	default.get_hotbar_bg(0,4.85)
+	(has_default and default.get_hotbar_bg(0,4.85) or "")
 
 -- Helper functions
 local function drop_chest_stuff()
-	return function(pos, oldnode, oldmetadata, digger)
+	return function(pos, _, oldmetadata)
 		local meta = minetest.get_meta(pos)
 		meta:from_table(oldmetadata)
 		local inv = meta:get_inventory()

common.lua

@@ -1,7 +1,5 @@
 
-
-scifi_nodes.get_switch_rules = function(param2)
-
+function scifi_nodes.get_switch_rules(param2)
 	-- param2 = 2
 	local rules = {
 		{x=1, y=-1, z=-1},
@@ -10,7 +8,7 @@ scifi_nodes.get_switch_rules = function(param2)
 		{x=0, y=-1, z=1},
 	}
 
--- Left and right when looking to +y ?
+	-- Left and right when looking to +y ?
 	if param2 == 3 then
 		rules = mesecon.rotate_rules_right(mesecon.rotate_rules_right (rules))
 	elseif param2 == 4 then
@@ -20,3 +18,23 @@ scifi_nodes.get_switch_rules = function(param2)
 	end
 	return rules
 end
+
+scifi_nodes.slope_box = {
+	type = "fixed",
+	fixed = {
+		{-0.5,  -0.5,  -0.5, 0.5, -0.25, 0.5},
+		{-0.5, -0.25, -0.25, 0.5,     0, 0.5},
+		{-0.5,     0,     0, 0.5,  0.25, 0.5},
+		{-0.5,  0.25,  0.25, 0.5,   0.5, 0.5}
+	}
+}
+
+scifi_nodes.slope_box_simple = {
+	type = "fixed",
+	fixed = {
+		{-0.5,  -0.5,  -0.5, 0.5, -0.25, -0.25},
+		{-0.5, -0.25, -0.25, 0.5,     0, 0},
+		{-0.5,     0,     0, 0.5,  0.25, 0.25},
+		{-0.5,  0.25,  0.25, 0.5,   0.5, 0.5}
+	}
+}

digicode.lua

@@ -11,7 +11,7 @@ local digicode_context = {}
 
 -- after_place_node, use by digicode and palm_scanner
 -- placer is a player object
-local function set_owner(pos, placer, itemstack, pointed_thing)
+local function set_owner(pos, placer)
 	local meta = minetest.get_meta(pos)
 	meta:set_string("owner", placer:get_player_name())
 	meta:set_string("code", secret_code)
@@ -48,7 +48,7 @@ local function update_code(pos, code)
 	meta:set_string("code", code)
 end
 
-local function show_digicode_formspec(pos, node, player, itemstack, pointed_thing)
+local function show_digicode_formspec(pos, _, player)
 	local meta = minetest.get_meta(pos)
 	local owner = meta:get_string("owner")
 	local current_code = meta:get_string("code")

doors.lua

@@ -120,7 +120,7 @@ for _, current_door in ipairs(doors) do
 		return itemstack;
 	end
 
-	local function afterdestruct(pos, oldnode)
+	local function afterdestruct(pos)
 		minetest.set_node({x=pos.x,y=pos.y+1,z=pos.z},{name="air"})
 	end
 
@@ -148,14 +148,18 @@ for _, current_door in ipairs(doors) do
 
 			local adjacent = minetest.get_node({x=x, y=y, z=z})
 			if adjacent.name == target_opposite then
-				minetest.set_node({x=x, y=y, z=z}, {name=target, param2 = adjacent.param2})
-				minetest.set_node({x=x, y=y+1, z=z}, {name=target_top, param2 = adjacent.param2})
+				minetest.swap_node({x=x, y=y, z=z}, {name=target, param2 = adjacent.param2})
+				minetest.swap_node({x=x, y=y+1, z=z}, {name=target_top, param2 = adjacent.param2})
 			end
 		end
 
 	end
 
-	local function open_door(pos, node)
+	local function open_door(pos, node, player, itemstack)
+		if not scifi_nodes.door_check_access_card(pos, itemstack, player) then
+			return
+		end
+
 		-- play sound
 		minetest.sound_play(sound,{
 			max_hear_distance = 16,
@@ -165,20 +169,20 @@ for _, current_door in ipairs(doors) do
 
 		local timer = minetest.get_node_timer(pos)
 
-		minetest.set_node(pos, {name=opened, param2=node.param2})
-		minetest.set_node({x=pos.x,y=pos.y+1,z=pos.z}, {name=opened_top, param2=node.param2})
+		minetest.swap_node(pos, {name=opened, param2=node.param2})
+		minetest.swap_node({x=pos.x,y=pos.y+1,z=pos.z}, {name=opened_top, param2=node.param2})
 
 		change_adjacent(opened, pos, node)
 
 		timer:start(3)
 	end
 
-	local function afterplace(pos, placer, itemstack, pointed_thing)
+	local function afterplace(pos)
 		local node = minetest.get_node(pos)
 		minetest.set_node({x=pos.x,y=pos.y+1,z=pos.z},{name=opened_top,param2=node.param2})
 	end
 
-	local function ontimer(pos, elapsed)
+	local function ontimer(pos)
 		-- play sound
 		minetest.sound_play(sound,{
 			max_hear_distance = 16,
@@ -188,8 +192,8 @@ for _, current_door in ipairs(doors) do
 
 		local node = minetest.get_node(pos)
 
-		minetest.set_node(pos, {name=closed, param2=node.param2})
-		minetest.set_node({x=pos.x,y=pos.y+1,z=pos.z}, {name=closed_top, param2=node.param2})
+		minetest.swap_node(pos, {name=closed, param2=node.param2})
+		minetest.swap_node({x=pos.x,y=pos.y+1,z=pos.z}, {name=closed_top, param2=node.param2})
 
 		change_adjacent(closed, pos, node)
 	end
@@ -218,7 +222,7 @@ for _, current_door in ipairs(doors) do
 		},
 	}
 
-	local function nodig(pos, digger)
+	local function nodig()
 		return false
 	end
 
@@ -242,7 +246,7 @@ for _, current_door in ipairs(doors) do
 		paramtype2 = "facedir",
 		groups = {
 			cracky = 3,
-			oddly_breakable_by_hand = 1,
+			dig_generic = 3,
 			scifi_nodes_door = 1,
 			door = 1
 		},

init.lua

@@ -14,15 +14,17 @@ end
 dofile(MP.."/common.lua")
 
 if minetest.get_modpath("default") then
-	-- only load builder and chest if the default mod is available
+	-- only load builder if the default mod is available
 	-- the formspecs depend on it
 	dofile(MP.."/builder.lua")
-	dofile(MP.."/chest.lua")
 end
 
+dofile(MP.."/ambience.lua")
+dofile(MP.."/chest.lua")
 dofile(MP.."/plants.lua")
 dofile(MP.."/models.lua")
 dofile(MP.."/nodes.lua")
+dofile(MP.."/access_card.lua")
 dofile(MP.."/doors.lua")
 dofile(MP.."/switch.lua")
 dofile(MP.."/protected_switch.lua")
@@ -30,6 +32,7 @@ dofile(MP.."/nodeboxes.lua")
 dofile(MP.."/palm_scanner.lua")
 dofile(MP.."/digicode.lua")
 dofile(MP.."/octagon_panes.lua")
+dofile(MP.."/octagon_glass.lua")
 dofile(MP.."/forcefield.lua")
 dofile(MP.."/crafts.lua")
 

mod.conf

@@ -1,6 +1,7 @@
 name = scifi_nodes
 description = Minetest mod that adds scifi themed blocks, doors, materials, plants and other assets.
 optional_depends = """
+advtrains,
 default,
 xpanes,
 mesecons,
@@ -15,5 +16,6 @@ unifieddyes,
 letters,
 mesecons_stealthnode,
 mtt,
-slats
+slats,
+signs_api
 """

models.lua

@@ -16,24 +16,8 @@ function scifi_nodes.register_slope(name, desc, texture, light, soundtype)
 		drawtype = "mesh",
 		mesh = "scifi_nodes_slope.obj",
 		tiles = texture,
-		selection_box = {
-			type = "fixed",
-			fixed = {
-				{-0.5,  -0.5,  -0.5, 0.5, -0.25, 0.5},
-				{-0.5, -0.25, -0.25, 0.5,     0, 0.5},
-				{-0.5,     0,     0, 0.5,  0.25, 0.5},
-				{-0.5,  0.25,  0.25, 0.5,   0.5, 0.5}
-			}
-		},
-		collision_box = {
-			type = "fixed",
-			fixed = {
-				{-0.5,  -0.5,  -0.5, 0.5, -0.25, 0.5},
-				{-0.5, -0.25, -0.25, 0.5,     0, 0.5},
-				{-0.5,     0,     0, 0.5,  0.25, 0.5},
-				{-0.5,  0.25,  0.25, 0.5,   0.5, 0.5}
-			}
-		},
+		selection_box = scifi_nodes.slope_box,
+		collision_box = scifi_nodes.slope_box,
 		paramtype = "light",
 		paramtype2 = "facedir",
 		use_texture_alpha = "clip",
@@ -47,8 +31,8 @@ end
 
 -- register some blocks in stairsplus if available (part of moreblocks)
 scifi_nodes.register_slope("white2", "Plastic", {"scifi_nodes_white2.png",}, 0, "stone")
-scifi_nodes.register_slope("super_white", "Super Plastic", {"scifi_nodes_super_white.png",}, 11, "stone")
-scifi_nodes.register_slope("ultra_white", "Super Plastic", {"scifi_nodes_ultra_white.png",}, minetest.LIGHT_MAX, "stone")
+scifi_nodes.register_slope("super_white", "Super Plastic", {"scifi_nodes_white2.png",}, 11, "stone")
+scifi_nodes.register_slope("ultra_white", "Super Plastic", {"scifi_nodes_white2.png",},minetest.LIGHT_MAX, "stone")
 scifi_nodes.register_slope("black", "Black", {"scifi_nodes_black.png",}, 0)
 scifi_nodes.register_slope("white", "White", {"scifi_nodes_white.png",}, 0)
 scifi_nodes.register_slope("grey", "Grey", {"scifi_nodes_grey.png",}, 0)

models/scifi_nodes_slope_simple.obj

@@ -0,0 +1,12 @@
+g top
+v 0.500000 0.500000 0.500000
+v -0.500000 0.500000 0.500000
+v -0.500000 -0.500000 -0.500000
+v 0.500000 -0.500000 -0.500000
+vt 1.0000 1.0000
+vt 0.0000 1.0000
+vt 0.0000 0.0000
+vt 1.0000 0.0000
+vn 0.0000 0.7071 -0.7071
+s off
+f 2/1/1 1/2/1 4/3/1 3/4/1

nodes.json

@@ -8,20 +8,29 @@
     "white2": {
         "description": "plastic",
         "colorable": true,
-        "sounds": "stone"
+        "sounds": "stone",
+        "signs_banner": true,
+        "signs_banner_color": "#000"
     },
     "super_white": {
         "description": "Super Plastic",
         "light": 11,
-        "sounds": "stone"
+        "sounds": "stone",
+        "texture_name": "white2"
     },
     "ultra_white": {
         "description": "Ultra Plastic",
         "light": 14,
-        "sounds": "stone"
+        "sounds": "stone",
+        "texture_name": "white2"
     },
     "engine": {
-        "description": "Engine"
+        "description": "Engine",
+        "ambience": {
+            "scifi_nodes_ambience_engine": {
+                "interval": 16.1
+            }
+        }
     },
     "wall": {
         "description": "metal wall"
@@ -54,11 +63,17 @@
         "description": "transparent vent",
         "texture_name": "vent2",
         "texture_modifier": "^[makealpha:33,33,33",
-        "drawtype": "glasslike"
+        "drawtype": "glasslike",
+        "ambience": {
+            "scifi_nodes_ambience_vent": {
+                "interval": 4.2
+            }
+        }
     },
     "stripes": {
         "description": "hazard stripes",
-        "slat": true
+        "slat": true,
+        "advtrains_platform": true
     },
     "rust": {
         "description": "rusty metal"
@@ -67,7 +82,8 @@
         "description": "metal mesh"
     },
     "black": {
-        "description": "black wall"
+        "description": "black wall",
+        "signs_banner": true
     },
     "blackoct": {
         "description": "black octagon"
@@ -79,7 +95,8 @@
         "description": "black tile"
     },
     "blacktile2": {
-        "description": "black tile 2"
+        "description": "black tile 2",
+        "paramtype2": "none"
     },
     "blackvent": {
         "description": "black vent"
@@ -88,7 +105,8 @@
         "description": "blue bars"
     },
     "bluemetal": {
-        "description": "blue metal"
+        "description": "blue metal",
+        "signs_banner": true
     },
     "bluetile": {
         "description": "blue tile",
@@ -134,7 +152,8 @@
         "description": "red metal block"
     },
     "grey_square": {
-        "description": "grey metal block"
+        "description": "grey metal block",
+        "paramtype2": "none"
     },
     "blue_square": {
         "description": "blue metal block"
@@ -147,7 +166,8 @@
         "colorable": true
     },
     "greenmetal": {
-        "description": "green metal wall"
+        "description": "green metal wall",
+        "signs_banner": true
     },
     "greenmetal2": {
         "description": "green metal wall2"
@@ -171,7 +191,8 @@
         "description": "green pipes"
     },
     "grey": {
-        "description": "grey wall"
+        "description": "grey wall",
+        "signs_banner": true
     },
     "greybolts": {
         "description": "grey wall bolts"
@@ -225,7 +246,8 @@
     },
     "blackdmg": {
         "description": "Damaged black wall",
-        "slat": true
+        "slat": true,
+        "paramtype2": "none"
     },
     "blackdmgstripe": {
         "description": "Damaged black wall(stripes)"
@@ -252,7 +274,12 @@
         "light": 5
     },
     "fan": {
-        "description": "Fan"
+        "description": "Fan",
+        "ambience": {
+            "scifi_nodes_ambience_fan": {
+                "interval": 7
+            }
+        }
     },
     "ppllght": {
         "description": "Purple wall light",
@@ -275,7 +302,8 @@
         "slat": true
     },
     "purple": {
-        "description": "Purple node"
+        "description": "Purple node",
+        "signs_banner": true
     },
     "rock": {
         "description": "Moonstone",
@@ -291,6 +319,7 @@
         "description": "Black vent"
     },
     "blackplate": {
-        "description": "Black plate"
+        "description": "Black plate",
+        "paramtype2": "none"
     }
 }

nodes.lua

@@ -1,6 +1,8 @@
 local has_unifieddyes_mod = minetest.get_modpath("unifieddyes")
 local has_moreblocks_mod = minetest.get_modpath("moreblocks")
 local has_slats_mod = minetest.get_modpath("slats")
+local has_advtrains_mod = minetest.get_modpath("advtrains")
+local has_signs_api_mod = minetest.get_modpath("signs_api")
 
 --nodes
 
@@ -367,95 +369,6 @@ minetest.register_node("scifi_nodes:grnpipe2", {
 	on_place = minetest.rotate_node
 })
 
-minetest.register_node("scifi_nodes:octrng", {
-	description = "Orange Octagon Glass",
-	sunlight_propagates = true,
-	drawtype = "glasslike",
-	tiles = {
-		"scifi_nodes_octrng.png",
-	},
-	paramtype = "light",
-	paramtype2 = "facedir",
-	use_texture_alpha = "blend",
-	light_source = 10,
-	groups = {cracky=2, dig_generic = 3},
-	is_ground_content = false,
-	sounds = scifi_nodes.node_sound_glass_defaults(),
-})
-
-minetest.register_node("scifi_nodes:octgrn", {
-	description = "Green Octagon Glass",
-	sunlight_propagates = true,
-	drawtype = "glasslike",
-	tiles = {
-		"scifi_nodes_octgrn.png",
-	},
-	paramtype = "light",
-	paramtype2 = "facedir",
-	use_texture_alpha = "blend",
-	light_source = 10,
-	groups = {cracky=2, dig_generic = 3},
-	is_ground_content = false,
-	sounds = scifi_nodes.node_sound_glass_defaults(),
-})
-
-minetest.register_node("scifi_nodes:octbl", {
-	description = "Blue Octagon Glass",
-	sunlight_propagates = true,
-	drawtype = "glasslike",
-	tiles = {
-		"scifi_nodes_octbl.png",
-	},
-	paramtype = "light",
-	paramtype2 = "facedir",
-	use_texture_alpha = "blend",
-	light_source = 10,
-	groups = {cracky=2, dig_generic = 3},
-	is_ground_content = false,
-	sounds = scifi_nodes.node_sound_glass_defaults(),
-})
-
-minetest.register_node("scifi_nodes:octppl", {
-	description = "Purple Octagon Glass",
-	sunlight_propagates = true,
-	drawtype = "glasslike",
-	tiles = {
-		"scifi_nodes_octppl.png",
-	},
-	paramtype = "light",
-	paramtype2 = "facedir",
-	use_texture_alpha = "blend",
-	light_source = 10,
-	groups = {cracky=2, dig_generic = 3},
-	is_ground_content = false,
-	sounds = scifi_nodes.node_sound_glass_defaults(),
-})
-
-if has_unifieddyes_mod then
-	minetest.register_node("scifi_nodes:octwht", {
-		description = "Octagon Glass",
-		sunlight_propagates = true,
-		drawtype = "glasslike",
-		tiles = {
-			"scifi_nodes_octwht.png",
-		},
-		palette = "unifieddyes_palette_extended.png",
-		paramtype = "light",
-		paramtype2 = "color",
-		use_texture_alpha = "blend",
-		light_source = 10,
-		groups = {
-			cracky = 2,
-			dig_generic = 3,
-			ud_param2_colorable = 1
-		},
-		is_ground_content = false,
-		sounds = scifi_nodes.node_sound_glass_defaults(),
-		on_construct = unifieddyes.on_construct,
-		on_dig = unifieddyes.on_dig
-	})
-end
-
 minetest.register_node("scifi_nodes:tower", {
 	description = "Wind tower",
 	sunlight_propagates = false,
@@ -624,7 +537,8 @@ for name, def in pairs(nodes) do
 	end
 
 	-- register node
-	minetest.register_node("scifi_nodes:"..name, node_def)
+	local nodename = "scifi_nodes:" .. name
+	minetest.register_node(nodename , node_def)
 
 	-- unified dyes registration
 	if def.colorable and has_unifieddyes_mod then
@@ -661,6 +575,36 @@ for name, def in pairs(nodes) do
 		})
 	end
 
+	if def.ambience then
+		for soundname, opts in pairs(def.ambience) do
+			scifi_nodes.register_ambience(nodename, soundname, opts)
+		end
+	end
+
+	-- advtrains platform registration
+	if has_advtrains_mod and def.advtrains_platform then
+		advtrains.register_platform("scifi_nodes", "scifi_nodes:" .. name)
+	end
+
+	if has_signs_api_mod and def.signs_banner then
+		signs_api.register_sign("scifi_nodes", name .. "_banner", {
+			depth = 1/16,
+			width = 5,
+			height = 1,
+			entity_fields = {
+				maxlines = 1,
+				color = def.signs_banner_color or "#fff",
+			},
+			node_fields = {
+				visual_scale = 1,
+				description = name .. " banner",
+				tiles = tiles,
+				inventory_image = "scifi_nodes_" .. name .. ".png",
+				use_texture_alpha = "clip",
+			},
+		})
+	end
+
 	if has_slats_mod and def.slat then
 		slats.register_slat(
 			name,

octagon_glass.lua

@@ -0,0 +1,53 @@
+local has_unifieddyes_mod = minetest.get_modpath("unifieddyes")
+
+local function register_glass(key, name)
+    local tiles = {"scifi_nodes_" .. key .. ".png"}
+
+    minetest.register_node("scifi_nodes:" .. key, {
+        description = name .. " Octagon Glass",
+        sunlight_propagates = true,
+        drawtype = "glasslike",
+        tiles = tiles,
+        paramtype = "light",
+        paramtype2 = "facedir",
+        use_texture_alpha = "blend",
+        light_source = 10,
+        groups = {
+            cracky = 2,
+            dig_generic = 3
+        },
+        is_ground_content = false,
+        sounds = scifi_nodes.node_sound_glass_defaults(),
+    })
+end
+
+register_glass("octppl", "Purple")
+register_glass("octbl", "Blue")
+register_glass("octgrn", "Green")
+register_glass("octrng", "Orange")
+register_glass("octwht", "White")
+
+if has_unifieddyes_mod then
+	minetest.register_node("scifi_nodes:octwht", {
+		description = "Octagon Glass",
+		sunlight_propagates = true,
+		drawtype = "glasslike",
+		tiles = {
+			"scifi_nodes_octwht.png",
+		},
+		palette = "unifieddyes_palette_extended.png",
+		paramtype = "light",
+		paramtype2 = "color",
+		use_texture_alpha = "blend",
+		light_source = 10,
+		groups = {
+			cracky = 2,
+			dig_generic = 3,
+			ud_param2_colorable = 1
+		},
+		is_ground_content = false,
+		sounds = scifi_nodes.node_sound_glass_defaults(),
+		on_construct = unifieddyes.on_construct,
+		on_dig = unifieddyes.on_dig
+	})
+end

octagon_panes.lua

@@ -1,13 +1,15 @@
 
-local function register(basename, description, texture)
+local function register(basename, color, texture)
   local nodename_single = "scifi_nodes:" .. basename .. "_pane"
   local nodename_double = "scifi_nodes:" .. basename .. "_pane_double"
   local nodename_offset = "scifi_nodes:" .. basename .. "_pane_offset"
+  local nodename_slope = "scifi_nodes:" .. basename .. "_slope"
   local recipe_ingredient = "scifi_nodes:" .. basename
+  local base_decription = color ..  " octagon glass"
 
   -- single height
   minetest.register_node(nodename_single, {
-    description = description,
+    description = base_decription .. " pane",
     drawtype = "nodebox",
     tiles = {
       texture
@@ -25,14 +27,17 @@ local function register(basename, description, texture)
       type = "fixed",
       fixed = {{-0.5, -0.5, -0.25, 0.5, 0.5, 0.25}},
     },
-    groups = {cracky = 3, oddly_breakable_by_hand = 3},
+    groups = {
+      cracky = 3,
+      oddly_breakable_by_hand = 3
+    },
     use_texture_alpha = "blend",
     sounds = scifi_nodes.node_sound_glass_defaults()
   })
 
   -- double height
   minetest.register_node(nodename_double, {
-    description = description,
+    description = base_decription .. " pane (double)",
     drawtype = "nodebox",
     tiles = {
       texture
@@ -50,14 +55,17 @@ local function register(basename, description, texture)
       type = "fixed",
       fixed = {{-0.5, -0.5, -0.25, 0.5, 1.5, 0.25}},
     },
-    groups = {cracky = 3, oddly_breakable_by_hand = 3},
+    groups = {
+      cracky = 3,
+      oddly_breakable_by_hand = 3
+    },
     use_texture_alpha = "blend",
     sounds = scifi_nodes.node_sound_glass_defaults()
   })
 
   -- single height with offset
   minetest.register_node(nodename_offset, {
-    description = description,
+    description = base_decription .. " pane (offset)",
     drawtype = "nodebox",
     tiles = {
       texture
@@ -75,11 +83,37 @@ local function register(basename, description, texture)
       type = "fixed",
       fixed = {{-0.5, -0.5, 0.75, 0.5, 0.5, 1.25}},
     },
-    groups = {cracky = 3, oddly_breakable_by_hand = 3},
+    groups = {
+      cracky = 3,
+      oddly_breakable_by_hand = 3,
+      not_blocking_trains = 1
+    },
     use_texture_alpha = "blend",
     sounds = scifi_nodes.node_sound_glass_defaults()
   })
 
+  -- slope pane
+  minetest.register_node(nodename_slope, {
+    description = base_decription .. " pane (slope)",
+		sunlight_propagates = true,
+		drawtype = "mesh",
+		mesh = "scifi_nodes_slope_simple.obj",
+		tiles = {
+      texture
+    },
+    paramtype = "light",
+		paramtype2 = "facedir",
+		use_texture_alpha = "blend",
+		light_source = 10,
+		groups = {
+			cracky = 2,
+			dig_generic = 3
+		},
+		selection_box = scifi_nodes.slope_box_simple,
+		collision_box = scifi_nodes.slope_box_simple,
+		is_ground_content = false,
+		sounds = scifi_nodes.node_sound_glass_defaults()
+	})
   -- register recipes
 
   minetest.register_craft({
@@ -89,6 +123,15 @@ local function register(basename, description, texture)
     },
   })
 
+  minetest.register_craft({
+    output = nodename_slope .. " 16",
+    recipe = {
+      {"", "", recipe_ingredient},
+      {"", recipe_ingredient, ""},
+      {recipe_ingredient, "", ""}
+    },
+  })
+
   minetest.register_craft({
     output = nodename_double .. " 16",
     recipe = {
@@ -104,8 +147,9 @@ local function register(basename, description, texture)
   })
 end
 
-register("octrng", "Orange Octagon Glass pane", "scifi_nodes_octrng.png")
-register("octgrn", "Green Octagon Glass pane", "scifi_nodes_octgrn.png")
-register("octbl", "Blue Octagon Glass pane", "scifi_nodes_octbl.png")
-register("octppl", "Purple Octagon Glass pane", "scifi_nodes_octppl.png")
+register("octrng", "Orange", "scifi_nodes_octrng.png")
+register("octgrn", "Green", "scifi_nodes_octgrn.png")
+register("octbl", "Blue", "scifi_nodes_octbl.png")
+register("octppl", "Purple", "scifi_nodes_octppl.png")
+register("octwht", "White", "scifi_nodes_octwht.png")
 register("glass", "Dark Glass pane", "scifi_nodes_glass.png")