cleanup obsolete files, consitent syntax and forms, new keypad texture

ball.lua

@@ -46,7 +46,10 @@ local ball_spawner_update_form = function (pos)
 		local scale =  meta:get_int("scale");
 
 		local form  =
-		"size[4.25,4.75]" ..  -- width, height
+		"size[4.25,4.75]"..  -- width, height
+		default.gui_bg..
+		default.gui_bg_img..
+		default.gui_slots..
 		"field[0.25,0.5;1,1;x0;target;"..x0.."] field[1.25,0.5;1,1;y0;;"..y0.."] field[2.25,0.5;1,1;z0;;"..z0.."]"..
 		"field[3.25,0.5;1,1;speed;speed;"..speed.."]"..
 		--speed, jump, gravity,sneak

constructor.lua

@@ -39,24 +39,24 @@ basic_machines.craft_recipe_order = { -- order in which nodes appear
 	"keypad","light","grinder","mover", "battery","generator","detector", "distributor", "clock_generator","recycler","autocrafter","ball_spawner", "power_block", "power_cell", "coal_lump",
 }
 
-		
 
-local constructor_process = function(pos) 
-	
+
+local constructor_process = function(pos)
+
 			local meta = minetest.get_meta(pos);
 			local craft = basic_machines.craft_recipes[meta:get_string("craft")];
 			if not craft then return end
 			local item = craft.item;
 			local craftlist = craft.craft;
-			
+
 			local inv = meta:get_inventory();
 			for _,v in pairs(craftlist) do
-				if not inv:contains_item("main", ItemStack(v)) then 
+				if not inv:contains_item("main", ItemStack(v)) then
 					meta:set_string("infotext", "#CRAFTING: you need " .. v .. " to craft " .. craft.item)
-					return 
+					return
 				end
 			end
-		
+
 			for _,v in pairs(craftlist) do
 				inv:remove_item("main", ItemStack(v));
 			end
@@ -66,45 +66,48 @@ end
 
 local constructor_update_meta = function(pos)
 		local meta = minetest.get_meta(pos);
-		local list_name = "nodemeta:"..pos.x..','..pos.y..','..pos.z 
+		local list_name = "nodemeta:"..pos.x..','..pos.y..','..pos.z
 		local craft = meta:get_string("craft");
-		
+
 		local description = basic_machines.craft_recipes[craft];
 		local tex;
-		
-		if description then 
+
+		if description then
 			tex = description.tex;
 			local i = 0;
 			local itex;
-			
+
 			local inv = meta:get_inventory(); -- set up craft list
 			for _,v in pairs(description.craft) do
 				i=i+1;
-				inv:set_stack("recipe", i, ItemStack(v))	
+				inv:set_stack("recipe", i, ItemStack(v))
 			end
-			
+
 			for j = i+1,6 do
 				inv:set_stack("recipe", j, ItemStack(""))
 			end
-			
-			description = description.description 
-			
-		else 
-			description = "" 
+
+			description = description.description
+
+		else
+			description = ""
 			tex = ""
 		end
-		
-		
+
+
 		local textlist = " ";
-		
+
 		local selected = meta:get_int("selected") or 1;
 		for _,v in ipairs(basic_machines.craft_recipe_order) do
 			textlist = textlist .. v .. ", ";
-			
+
 		end
-		
-		local form  = 
+
+		local form  =
 			"size[8,10]"..
+			default.gui_bg..
+			default.gui_bg_img..
+			default.gui_slots..
 			"textlist[0,0;3,1.5;craft;" .. textlist .. ";" .. selected .."]"..
 			"button[3.5,1;1.25,0.75;CRAFT;CRAFT]"..
 			"image[3.65,0;1,1;".. tex .. ".png]"..
@@ -137,14 +140,14 @@ minetest.register_node("basic_machines:constructor", {
 		local inv = meta:get_inventory();inv:set_size("main", 24);--inv:set_size("dst",6);
 		inv:set_size("recipe",8);
 	end,
-	
+
 	on_rightclick = function(pos, node, player, itemstack, pointed_thing)
 		local meta = minetest.get_meta(pos);
 		local privs = minetest.get_player_privs(player:get_player_name());
 		if minetest.is_protected(pos, player:get_player_name()) and not privs.privs then return end -- only owner can interact with recycler
 		constructor_update_meta(pos);
 	end,
-	
+
 	allow_metadata_inventory_put = function(pos, listname, index, stack, player)
 
 		if minetest.is_protected(pos, player:get_player_name()) then
@@ -158,7 +161,7 @@ minetest.register_node("basic_machines:constructor", {
 		if meta:get_string("owner") ~= player:get_player_name() and not privs.privs then return 0 end
 		return stack:get_count();
 	end,
-	
+
 	allow_metadata_inventory_take = function(pos, listname, index, stack, player)
 
 		if listname == "recipe" then return 0 end
@@ -171,8 +174,8 @@ minetest.register_node("basic_machines:constructor", {
 
 		return stack:get_count();
 	end,
-	
-	on_metadata_inventory_put = function(pos, listname, index, stack, player) 
+
+	on_metadata_inventory_put = function(pos, listname, index, stack, player)
 		if listname == "recipe" then return 0 end
 		local privs = minetest.get_player_privs(player:get_player_name());
 
@@ -183,59 +186,59 @@ minetest.register_node("basic_machines:constructor", {
 
 		return stack:get_count();
 	end,
-	
+
 	allow_metadata_inventory_move = function(pos, from_list, from_index, to_list, to_index, count, player)
 		return 0;
 	end,
-	
-	mesecons = {effector = { 
-		action_on = function (pos, node,ttl) 
+
+	mesecons = {effector = {
+		action_on = function (pos, node,ttl)
 			if type(ttl)~="number" then ttl = 1 end
 			if ttl<0 then return end -- machines_TTL prevents infinite recursion
 			constructor_process(pos);
 		end
 		}
 	},
-	
-	on_receive_fields = function(pos, formname, fields, sender) 
-		
+
+	on_receive_fields = function(pos, formname, fields, sender)
+
 		if minetest.is_protected(pos, sender:get_player_name()) then
 			minetest.record_protection_violation(pos, sender:get_player_name())
 			return
 		end
 
 		local meta = minetest.get_meta(pos);
-		
+
 		if fields.craft then
 			if string.sub(fields.craft,1,3)=="CHG" then
 				local sel = basic_machines.tonumber(string.sub(fields.craft,5)) or 1
 				meta:set_int("selected",sel);
-			
+
 				local i = 0;
 				for _,v in ipairs(basic_machines.craft_recipe_order) do
 					i=i+1;
 					if i == sel then meta:set_string("craft",v); break; end
 				end
-			else 
+			else
 				return
 			end
 		end
-		
+
 		if fields.CRAFT then
 			constructor_process(pos);
 		end
-		
+
 		constructor_update_meta(pos);
 	end,
-	
+
 		can_dig = function(pos)
 			local meta = minetest.get_meta(pos);
 			local inv = meta:get_inventory();
-			
+
 			if not (inv:is_empty("main"))  then return false end -- main inv must be empty to be dug
-			
+
 			return true
-			
+
 		end
 
 
@@ -248,6 +251,6 @@ minetest.register_craft({
 		{"default:steel_ingot","default:steel_ingot","default:steel_ingot"},
 		{"default:steel_ingot","default:copperblock","default:steel_ingot"},
 		{"default:steel_ingot","default:steel_ingot","default:steel_ingot"},
-		
+
 	}
 })

enviro.lua

@@ -5,18 +5,18 @@
 
 local enviro = {};
 enviro.skyboxes = {
-	["default"]={type = "regular", tex = {}}, 
+	["default"]={type = "regular", tex = {}},
 	["space"]={type="skybox", tex={"sky_pos_y.png","sky_neg_y.png","sky_pos_z.png","sky_neg_z.png","sky_neg_x.png","sky_pos_x.png",}}, -- need textures installed!
 	["caves"]={type = "cavebox", tex = {"black.png","black.png","black.png","black.png","black.png","black.png",}},
 	};
-	
+
 local space_start = 1100;
 local ENABLE_SPACE_EFFECTS = false -- enable damage outside protected areas
-	
+
 local enviro_update_form = function (pos)
-	
+
 		local meta = minetest.get_meta(pos);
-			
+
 		local x0,y0,z0;
 		x0=meta:get_int("x0");y0=meta:get_int("y0");z0=meta:get_int("z0");
 
@@ -34,9 +34,12 @@ local enviro_update_form = function (pos)
 		speed = meta:get_float("speed");jump = meta:get_float("jump");
 		g = meta:get_float("g"); sneak = meta:get_int("sneak");
 		local list_name = "nodemeta:"..pos.x..','..pos.y..','..pos.z;
-		
-		local form  = 
+
+		local form  =
 			"size[8,8.5]"..	-- width, height
+			default.gui_bg..
+			default.gui_bg_img..
+			default.gui_slots..
 			"field[0.25,0.5;1,1;x0;target;"..x0.."] field[1.25,0.5;1,1;y0;;"..y0.."] field[2.25,0.5;1,1;z0;;"..z0.."]"..
 			"field[3.25,0.5;1,1;r;radius;"..r.."]"..
 			--speed, jump, gravity,sneak
@@ -54,7 +57,7 @@ local enviro_update_form = function (pos)
 			"listring[current_player;main]"
 		meta:set_string("formspec",form)
 end
-	
+
 -- enviroment changer
 minetest.register_node("basic_machines:enviro", {
 	description = "Changes enviroment for players around target location",
@@ -86,51 +89,51 @@ minetest.register_node("basic_machines:enviro", {
 
 		local inv = meta:get_inventory();
 		inv:set_size("fuel",1*1);
-		
+
 		enviro_update_form(pos);
 	end,
-		
-	mesecons = {effector = { 
-		action_on = function (pos, node,ttl) 
+
+	mesecons = {effector = {
+		action_on = function (pos, node,ttl)
 			local meta = minetest.get_meta(pos);
 			local machines = meta:get_int("machines");
 			if not machines == 1 then meta:set_string("infotext","Error. You need machines privs.") return end
-			
+
 			local admin = meta:get_int("admin");
-			
+
 			local inv = meta:get_inventory(); local stack = ItemStack("default:diamond 1");
-			
+
 			if inv:contains_item("fuel", stack) then
 				inv:remove_item("fuel", stack);
 			else
-				meta:set_string("infotext","Error. Insert diamond in fuel inventory") 
+				meta:set_string("infotext","Error. Insert diamond in fuel inventory")
 				return
 			end
-			
+
 			local x0,y0,z0,r,skybox,speed,jump,g,sneak;
 			x0=meta:get_int("x0"); y0=meta:get_int("y0");z0=meta:get_int("z0"); -- target
 			r= meta:get_int("r",5); skybox=meta:get_string("skybox");
 			speed=meta:get_float("speed");jump=	meta:get_float("jump");
 			g=meta:get_float("g");sneak=meta:get_int("sneak"); if sneak~=0 then sneak = true else sneak = false end
-			
+
 			local players = minetest.get_connected_players();
 			for _,player in pairs(players) do
 				local pos1 = player:getpos();
 				local dist = math.sqrt((pos1.x-pos.x)^2 + (pos1.y-pos.y)^2 + (pos1.z-pos.z)^2 );
 				if dist<=r then
-					
+
 					player:set_physics_override({speed=speed,jump=jump,gravity=g,sneak=sneak})
-					
+
 					if admin == 1 then -- only admin can change skybox
 						local sky = enviro.skyboxes[skybox];
 						player:set_sky(0,sky["type"],sky["tex"]);
 					end
 				end
 			end
-			
+
 			-- attempt to set acceleration to balls, if any around
 			local objects =  minetest.get_objects_inside_radius(pos, r)
-			
+
 			for _,obj in pairs(objects) do
 				if obj:get_luaentity() then
 					local obj_name = obj:get_luaentity().name or ""
@@ -138,26 +141,26 @@ minetest.register_node("basic_machines:enviro", {
 						obj:setacceleration({x=0,y=-g,z=0});
 					end
 				end
-				
+
 			end
-			
-			
-			
-			
+
+
+
+
 		end
 	}
 	},
-	
-	
+
+
 	on_receive_fields = function(pos, formname, fields, sender)
-		
+
 		if minetest.is_protected(pos, sender:get_player_name()) then
 			minetest.record_protection_violation(pos, sender:get_player_name())
 			return
 		end
 
 		local name = sender:get_player_name();
-		
+
 		if fields.OK then
 			local privs = minetest.get_player_privs(sender:get_player_name());
 			local meta = minetest.get_meta(pos);
@@ -167,40 +170,40 @@ minetest.register_node("basic_machines:enviro", {
 			if fields.y0 then y0 = tonumber(fields.y0) or 0 end
 			if fields.z0 then z0 = tonumber(fields.z0) or 0 end
 			if not privs.privs and (math.abs(x0)>10 or math.abs(y0)>10 or math.abs(z0) > 10) then return end
-			
+
 			meta:set_int("x0",x0);meta:set_int("y0",y0);meta:set_int("z0",z0);
 			if privs.privs then -- only admin can set sky
 				if fields.skybox then meta:set_string("skybox", fields.skybox) end
 			end
-			if fields.r then 
+			if fields.r then
 				local r = tonumber(fields.r) or 0;
 				if r > 10 and not privs.privs then return end
-				meta:set_int("r", r) 
+				meta:set_int("r", r)
 			end
-			if fields.g then 
+			if fields.g then
 				local g = tonumber(fields.g) or 1;
 				if (g<0.1 or g>40) and not privs.privs then return end
-				meta:set_float("g", g) 
+				meta:set_float("g", g)
 			end
-			if fields.speed then 
+			if fields.speed then
 				local speed = tonumber(fields.speed) or 1;
 				if (speed>1 or speed < 0) and not privs.privs then return end
-				meta:set_float("speed", speed) 
+				meta:set_float("speed", speed)
 			end
-			if fields.jump then 
+			if fields.jump then
 				local jump = tonumber(fields.jump) or 1;
 				if (jump<0 or jump>2) and not privs.privs then return end
-				meta:set_float("jump", jump) 
+				meta:set_float("jump", jump)
 			end
-			if fields.sneak then 
-				meta:set_int("sneak", tonumber(fields.sneak) or 0) 
+			if fields.sneak then
+				meta:set_int("sneak", tonumber(fields.sneak) or 0)
 			end
-			
-		
+
+
 			enviro_update_form(pos);
 		end
 	end,
-	
+
 	allow_metadata_inventory_take = function(pos, listname, index, stack, player)
 
 		if minetest.is_protected(pos, player:get_player_name()) then
@@ -213,7 +216,7 @@ minetest.register_node("basic_machines:enviro", {
 		if meta:get_string("owner")~=player:get_player_name() and not privs.privs then return 0 end
 		return stack:get_count();
 	end,
-	
+
 	allow_metadata_inventory_put = function(pos, listname, index, stack, player)
 
 		if minetest.is_protected(pos, player:get_player_name()) then
@@ -226,13 +229,13 @@ minetest.register_node("basic_machines:enviro", {
 		if meta:get_string("owner")~=player:get_player_name() and not privs.privs then return 0 end
 		return stack:get_count();
 	end,
-		
+
 	can_dig = function(pos, player) -- dont dig if fuel is inside, cause it will be destroyed
 		local meta = minetest.get_meta(pos);
 		local inv = meta:get_inventory();
 		return inv:is_empty("fuel")
 	end,
-	
+
 })
 
 
@@ -275,7 +278,7 @@ minetest.register_on_joinplayer(enviro_adjust_physics)
 -- SERVER GLOBAL SPACE CODE: uncomment to enable it
 
 local round = math.floor;
-local protector_position = function(pos) 
+local protector_position = function(pos)
 	local r = 20;
 	local ry = 2*r;
 	return {x=round(pos.x/r+0.5)*r,y=round(pos.y/ry+0.5)*ry,z=round(pos.z/r+0.5)*r};
@@ -297,13 +300,13 @@ minetest.register_globalstep(function(dtime)
 				enviro_space[name] = inspace;
 				enviro_adjust_physics(player);
 			end
-			
+
 			if ENABLE_SPACE_EFFECTS and inspace==1 then -- special space code
-				
-					
+
+
 					if pos.y<1500 and pos.y>1120 then
 						local hp = player:get_hp();
-						
+
 						if hp>0 then
 							minetest.chat_send_player(name,"WARNING: you entered DEADLY RADIATION ZONE");
 							local privs = minetest.get_player_privs(name)
@@ -311,13 +314,13 @@ minetest.register_globalstep(function(dtime)
 						end
 						return
 					else
-					
+
 						local ppos = protector_position(pos);
 						local populated = (minetest.get_node(ppos).name=="basic_protect:protector");
-						if populated then 
+						if populated then
 							if minetest.get_meta(ppos):get_int("space") == 1 then populated = false end
 						end
-						
+
 						if not populated then -- do damage if player found not close to protectors
 							local hp = player:get_hp();
 							local privs = minetest.get_player_privs(name);
@@ -327,7 +330,7 @@ minetest.register_globalstep(function(dtime)
 							end
 						end
 					end
-			
+
 			end
 		end
 	end
@@ -341,7 +344,7 @@ end)
 	-- description = "enables breathing in space",
 	-- drawtype = "liquid",
 	-- tiles =  {"default_water_source_animated.png"},
-	
+
 	-- drawtype = "glasslike",
 	-- paramtype = "light",
 	-- alpha =  150,
@@ -352,7 +355,7 @@ end)
 	-- buildable_to = true,
 	-- drop = "",
 	-- groups = {not_in_creative_inventory=1},
-	-- after_place_node = function(pos, placer, itemstack, pointed_thing) 
+	-- after_place_node = function(pos, placer, itemstack, pointed_thing)
 		-- local r = 3;
 		-- for i = -r,r do
 			-- for j = -r,r do
@@ -365,10 +368,10 @@ end)
 			-- end
 		-- end
 	-- end
-	
+
 -- })
 
--- minetest.register_abm({ 
+-- minetest.register_abm({
 	-- nodenames = {"basic_machines:air"},
 	-- neighbors = {"air"},
 	-- interval = 10,
@@ -378,23 +381,23 @@ end)
 		-- end
 	-- });
 
-	
+
 minetest.register_on_punchplayer( -- bring gravity closer to normal with each punch
 	function(player, hitter, time_from_last_punch, tool_capabilities, dir, damage)
-	
+
 		if player:get_physics_override() == nil then return end
 		local pos = player:getpos(); if pos.y>= space_start then return end
-		
+
 		local gravity = player:get_physics_override().gravity;
 		if gravity<1 then
 			gravity = 1;
 			player:set_physics_override({gravity=gravity})
 		end
 	end
-	
+
 )
 
-	
+
 
 -- RECIPE: extremely expensive
 

grinder.lua

@@ -24,7 +24,7 @@ basic_machines.grinder_recipes = {
 -- es gems dust cooking
 local es_gems = function()
 	local es_gems = {
-	{name = "emerald", cooktime = 1200},{name = "ruby", cooktime = 1500},{name = "purpellium", cooktime = 1800}, 
+	{name = "emerald", cooktime = 1200},{name = "ruby", cooktime = 1500},{name = "purpellium", cooktime = 1800},
 	{name = "aikerum", cooktime = 2000}}
 
 	for _,v in pairs(es_gems) do
@@ -32,53 +32,53 @@ local es_gems = function()
 			type = "cooking",
 			recipe = "es:"..v.name.."_dust",
 			output = "es:"..v.name .."_crystal",
-			cooktime = v.cooktime 
+			cooktime = v.cooktime
 		})
 	end
 end
 minetest.after(0,es_gems);
 
 
-local grinder_process = function(pos) 
-	
+local grinder_process = function(pos)
+
 	local node = minetest.get_node({x=pos.x,y=pos.y-1,z=pos.z}).name;
 	local meta = minetest.get_meta(pos);local inv = meta:get_inventory();
-	
-	
+
+
 	-- PROCESS: check out inserted items
 	local stack = inv:get_stack("src",1);
 	if stack:is_empty() then return end; -- nothing to do
 
 	local src_item = stack:to_string();
-	local p=string.find(src_item," "); if p then src_item = string.sub(src_item,1,p-1) else p = 0 end -- take first word to determine what item was 
-	
+	local p=string.find(src_item," "); if p then src_item = string.sub(src_item,1,p-1) else p = 0 end -- take first word to determine what item was
+
 	local def = basic_machines.grinder_recipes[src_item];
-	if not def then 
+	if not def then
 		meta:set_string("infotext", "please insert valid materials"); return
 	end-- unknown node
-	
+
 	if stack:get_count()< def[3] then
 		meta:set_string("infotext", "Recipe requires at least " .. def[3] .. " " .. src_item);
 		return
 	end
 
-	
-	
+
+
 	-- FUEL CHECK
 	local fuel = meta:get_float("fuel");
 
-	
+
 	if fuel-def[1]<0 then -- we need new fuel, check chest below
-		local fuellist = inv:get_list("fuel") 
+		local fuellist = inv:get_list("fuel")
 		if not fuellist then return end
-		
-		local fueladd, afterfuel = minetest.get_craft_result({method = "fuel", width = 1, items = fuellist}) 
-		
+
+		local fueladd, afterfuel = minetest.get_craft_result({method = "fuel", width = 1, items = fuellist})
+
 		local supply=0;
 		if fueladd.time == 0 then -- no fuel inserted, try look for outlet
 				-- No valid fuel in fuel list
 				supply = basic_machines.check_power({x=pos.x,y=pos.y-1,z=pos.z} , def[1]) or 0; -- tweaked so 1 coal = 1 energy
-				if supply>0 then 
+				if supply>0 then
 					fueladd.time = supply -- same as 10 coal
 				else
 					meta:set_string("infotext", "Please insert fuel");
@@ -90,51 +90,54 @@ local grinder_process = function(pos)
 				fueladd.time=fueladd.time*0.1/4 -- thats 1 for coal
 				--minetest.chat_send_all("FUEL ADD TIME " .. fueladd.time)
 			end
-		end 
-		if fueladd.time>0 then 
+		end
+		if fueladd.time>0 then
 			fuel=fuel + fueladd.time
 			meta:set_float("fuel",fuel);
 			meta:set_string("infotext", "added fuel furnace burn time " .. fueladd.time .. ", fuel status " .. fuel);
 		end
-		if fuel-def[1]<0 then 
-			meta:set_string("infotext", "need at least " .. def[1]-fuel .. " fuel to complete operation ");  return 
+		if fuel-def[1]<0 then
+			meta:set_string("infotext", "need at least " .. def[1]-fuel .. " fuel to complete operation ");  return
 		end
-		
+
 	end
 
-	
-	
+
+
 	-- process items
-	
+
 		-- TO DO: check if there is room for item yyy
 		local addstack = ItemStack(def[2]);
 		if inv:room_for_item("dst", addstack) then
 			inv:add_item("dst",addstack);
 		else return
 		end
-	
+
 		--take 1 item from src inventory for each activation
 		stack=stack:take_item(1); inv:remove_item("src", stack)
-		
+
 		-- minetest.sound_play("grinder", {pos=pos,gain=0.5,max_hear_distance = 16,})
-		
+
 		fuel = fuel-def[1]; -- burn fuel
 		meta:set_float("fuel",fuel);
 		meta:set_string("infotext", "fuel " .. fuel);
-		 
+
 end
 
 
 local grinder_update_meta = function(pos)
 	local meta = minetest.get_meta(pos);
-	local list_name = "nodemeta:"..pos.x..','..pos.y..','..pos.z 
-	local form  = 
+	local list_name = "nodemeta:"..pos.x..','..pos.y..','..pos.z
+	local form  =
 		"size[8,8]"..		-- width, height
 		--"size[6,10]"..	-- width, height
+		default.gui_bg..
+		default.gui_bg_img..
+		default.gui_slots..
 		"label[0,0;IN] label[1,0;OUT] label[0,2;FUEL] "..
-		"list["..list_name..";src;0.,0.5;1,1;]".. 
+		"list["..list_name..";src;0.,0.5;1,1;]"..
 		"list["..list_name..";dst;1.,0.5;3,3;]"..
-		"list["..list_name..";fuel;0.,2.5;1,1;]".. 
+		"list["..list_name..";fuel;0.,2.5;1,1;]"..
 		"list[current_player;main;0,4;8,4;]"..
 		"button[6.5,0.5;1,1;OK;OK]"..
 		"button[6.5,1.5;1,1;help;help]"..
@@ -160,14 +163,14 @@ minetest.register_node("basic_machines:grinder", {
 		meta:set_float("fuel",0);
 		local inv = meta:get_inventory();inv:set_size("src", 1);inv:set_size("dst",9);inv:set_size("fuel",1);
 	end,
-	
+
 	on_rightclick = function(pos, node, player, itemstack, pointed_thing)
 		local meta = minetest.get_meta(pos);
 		local privs = minetest.get_player_privs(player:get_player_name());
 		if minetest.is_protected(pos, player:get_player_name()) and not privs.privs then return end -- only owner can interact with recycler
 		grinder_update_meta(pos);
 	end,
-	
+
 	allow_metadata_inventory_put = function(pos, listname, index, stack, player)
 
 		if minetest.is_protected(pos, player:get_player_name()) then
@@ -180,7 +183,7 @@ minetest.register_node("basic_machines:grinder", {
 		if meta:get_string("owner")~=player:get_player_name() and not privs.privs then return 0 end
 		return stack:get_count();
 	end,
-	
+
 	allow_metadata_inventory_take = function(pos, listname, index, stack, player)
 
 		if minetest.is_protected(pos, player:get_player_name()) then
@@ -193,25 +196,25 @@ minetest.register_node("basic_machines:grinder", {
 		if meta:get_string("owner")~=player:get_player_name() and not privs.privs then return 0 end
 		return stack:get_count();
 	end,
-	
-	on_metadata_inventory_put = function(pos, listname, index, stack, player) 
+
+	on_metadata_inventory_put = function(pos, listname, index, stack, player)
 		if listname =="dst" then return end
 		grinder_process(pos);
 	end,
-	
+
 	allow_metadata_inventory_move = function(pos, from_list, from_index, to_list, to_index, count, player)
 		return 0;
 	end,
-	
-	mesecons = {effector = { 
-		action_on = function (pos, node,ttl) 
+
+	mesecons = {effector = {
+		action_on = function (pos, node,ttl)
 		if type(ttl)~="number" then ttl = 1 end
 		if ttl<0 then return end -- machines_TTL prevents infinite recursion
 		grinder_process(pos);
 	end
 	}
 	},
-	
+
 	on_receive_fields = function(pos, formname, fields, sender)
 
 		if minetest.is_protected(pos, sender:get_player_name()) then
@@ -221,30 +224,34 @@ minetest.register_node("basic_machines:grinder", {
 
 		if fields.quit then return end
 		local meta = minetest.get_meta(pos);
-		
+
 		if fields.help then
 			--recipe list: [in] ={fuel cost, out, quantity of material required for processing}
-			--basic_machines.grinder_recipes 
+			--basic_machines.grinder_recipes
 			local text = "RECIPES\n\n";
 			for key,v in pairs(basic_machines.grinder_recipes) do
 				text = text .. "INPUT ".. key .. " " .. v[3] .. " OUTPUT " ..  v[2] .. "\n"
 			end
-			
-			local form = "size [6,7] textarea[0,0;6.5,8.5;grinderhelp;GRINDER RECIPES;".. text.."]"
+
+			local form = "size[6,7]"..
+				default.gui_bg..
+				default.gui_bg_img..
+				default.gui_slots..
+				"textarea[0,0;6.5,8.5;grinderhelp;GRINDER RECIPES;".. text.."]"
 			minetest.show_formspec(sender:get_player_name(), "grinderhelp", form)
-		
+
 		end
 		grinder_update_meta(pos);
 	end,
-	
+
 	can_dig = function(pos)
 			local meta = minetest.get_meta(pos);
 			local inv = meta:get_inventory();
-			
+
 			if not (inv:is_empty("fuel")) or not (inv:is_empty("src")) or not (inv:is_empty("dst")) then return false end -- all inv must be empty to be dug
-			
+
 			return true
-			
+
 		end
 
 })
@@ -256,7 +263,7 @@ minetest.register_craft({
 		{"default:diamond","default:mese","default:diamond"},
 		{"default:mese","default:diamondblock","default:mese"},
 		{"default:diamond","default:mese","default:diamond"},
-		
+
 	}
 })
 
@@ -265,13 +272,13 @@ minetest.register_craft({
 
 
 local function register_dust(name,input_node_name,ingot,grindcost,cooktime,R,G,B)
-	
-	if not R then R = "FF" end 
-	if not G then G = "FF" end 
-	if not B then B = "FF" end 
-	
+
+	if not R then R = "FF" end
+	if not G then G = "FF" end
+	if not B then B = "FF" end
+
 	local purity_table = {"33","66"};
-	
+
 	for i = 1,#purity_table do
 		local purity = purity_table[i];
 		minetest.register_craftitem("basic_machines:"..name.."_dust_".. purity, {
@@ -279,11 +286,11 @@ local function register_dust(name,input_node_name,ingot,grindcost,cooktime,R,G,B
 			inventory_image = "basic_machines_dust.png^[colorize:#"..R..G..B..":"..purity * 2,
 		})
 	end
-	
+
 	basic_machines.grinder_recipes[input_node_name] = {grindcost,"basic_machines:"..name.."_dust_".. purity_table[1].." 2",1} -- register grinder recipe
-	
+
 	if ingot~="" then
-		
+
 		for i = 1,#purity_table-1 do
 			minetest.register_craft({
 				type = "cooking",
@@ -292,7 +299,7 @@ local function register_dust(name,input_node_name,ingot,grindcost,cooktime,R,G,B
 				cooktime = cooktime
 			})
 		end
-		
+
 		minetest.register_craft({
 				type = "cooking",
 				recipe = "basic_machines:"..name.."_dust_".. purity_table[#purity_table],
@@ -300,7 +307,7 @@ local function register_dust(name,input_node_name,ingot,grindcost,cooktime,R,G,B
 				output = ingot,
 				cooktime = cooktime
 			})
-	
+
 	end
 end
 
@@ -319,11 +326,11 @@ basic_machines.grinder_recipes["default:tin_ingot"] = {4,"basic_machines:tin_dus
 
 -- are moreores (tin, silver, mithril) present?
 
-local table = minetest.registered_items["moreores:tin_lump"]; if table then 
+local table = minetest.registered_items["moreores:tin_lump"]; if table then
 	-- register_dust("tin","moreores:tin_lump","moreores:tin_ingot",4,8,"FF","FF","FF")
 	register_dust("silver","moreores:silver_lump","moreores:silver_ingot",5,15,"BB","BB","BB")
 	register_dust("mithril","moreores:mithril_lump","moreores:mithril_ingot",16,750,"00","00","FF")
-	
+
 	basic_machines.grinder_recipes["moreores:tin_ingot"] = {4,"basic_machines:tin_dust_33 2",1};
 	basic_machines.grinder_recipes["moreores:silver_ingot"] = {5,"basic_machines:silver_dust_33 2",1};
 	basic_machines.grinder_recipes["moreores:mithril_ingot"] = {16,"basic_machines:mithril_dust_33 2",1};

mover.lua

@@ -265,6 +265,9 @@ local get_mover_form = function(pos,player)
 
 		form = "size[8,8.25]" ..  -- width, height
 		--"size[6,10]" ..  -- width, height
+		default.gui_bg..
+		default.gui_bg_img..
+		default.gui_slots..
 		"tabheader[0,0;tabs;MODE OF OPERATION,WHERE TO MOVE;".. seltab .. ";true;true]"..
 		"label[0.,0;MODE selection]".."button[3,0.25;1,1;help;help]"..
 		"dropdown[0.,0.35;3,1;mode;normal,dig,drop,object,inventory,transport;".. mode .."]"..
@@ -294,6 +297,9 @@ local get_mover_form = function(pos,player)
 
 		form = "size[6,5.5]" ..  -- width, height
 		--"size[6,10]" ..  -- width, height
+		default.gui_bg..
+		default.gui_bg_img..
+		default.gui_slots..
 		"tabheader[0,0;tabs;MODE OF OPERATION,WHERE TO MOVE;".. seltab .. ";true;true]"..
 
 		"label[0.,0;" .. minetest.colorize("lawngreen","INPUT AREA - mover will dig here").."]"..
@@ -1002,7 +1008,7 @@ minetest.register_node("basic_machines:mover", {
 					if prefer ~= node1.name and
 						 not source_chest and
 						 mode ~= "inventory" then
-						 	return
+							return
 					end
 
 					-- take stuff from chest
@@ -1493,6 +1499,9 @@ local function check_keypad(pos,name,ttl) -- called only when manually activated
 	if meta:get_string("text") == "@" then -- keypad works as a keyboard
 		local form  =
 		"size[3,1]" ..  -- width, height
+		default.gui_bg..
+		default.gui_bg_img..
+		default.gui_slots..
 		"field[0.25,0.25;3,1;pass;Enter text: ;".."".."] button_exit[0.,0.5;1,1;OK;OK]";
 		minetest.show_formspec(name, "basic_machines:check_keypad_"..minetest.pos_to_string(pos), form)
 		return
@@ -1501,11 +1510,12 @@ local function check_keypad(pos,name,ttl) -- called only when manually activated
 	pass = ""
 	local form  =
 		"size[3,1.25]" ..  -- width, height
-		"bgcolor[#FF8888BB; false]" ..
+		default.gui_bg..
+		default.gui_bg_img..
+		default.gui_slots..
 		"field[0.25,0.25;3,1;pass;Enter Password: ;".."".."] button_exit[0.,0.75;1,1;OK;OK]";
 		minetest.show_formspec(name, "basic_machines:check_keypad_"..minetest.pos_to_string(pos), form)
 	return
-
 end
 
 minetest.register_node("basic_machines:keypad", {
@@ -1550,7 +1560,9 @@ minetest.register_node("basic_machines:keypad", {
 		pass = meta:get_string("pass");
 		local form  =
 		"size[4.25,3.75]" ..  -- width, height
-		"bgcolor[#888888BB; false]" ..
+		default.gui_bg..
+		default.gui_bg_img..
+		default.gui_slots..
 		"field[2.25,0.25;2.25,1;pass;Password: ;"..pass.."]" ..
 		"field[0.25,2.5;3.25,1;text;text;".. text .."]" ..
 		"field[0.25,0.25;1,1;mode;mode;"..mode.."]".. "field[1.25,0.25;1,1;iter;repeat;".. iter .."]"..
@@ -1638,6 +1650,9 @@ minetest.register_node("basic_machines:detector", {
 		local list_name = "nodemeta:"..pos.x..','..pos.y..','..pos.z
 		local form  =
 		"size[4,6.25]" ..  -- width, height
+		default.gui_bg..
+		default.gui_bg_img..
+		default.gui_slots..
 		"field[0.25,0.5;1,1;x0;source1;"..x0.."] field[1.25,0.5;1,1;y0;;"..y0.."] field[2.25,0.5;1,1;z0;;"..z0.."]"..
 		"dropdown[3,0.25;1,1;op; ,AND,OR;".. op .."]"..
 		"field[0.25,1.5;1,1;x1;source2;"..x1.."] field[1.25,1.5;1,1;y1;;"..y1.."] field[2.25,1.5;1,1;z1;;"..z1.."]"..
@@ -1949,6 +1964,9 @@ local get_distributor_form = function(pos,player)
 	local list_name = "nodemeta:"..pos.x..','..pos.y..','..pos.z
 	local form  =
 	"size[7,"..(0.75+(n)*0.75).."]" ..  -- width, height
+	default.gui_bg..
+	default.gui_bg_img..
+	default.gui_slots..
 	"label[0,-0.25;" .. minetest.colorize("lawngreen","target: x y z, MODE -2=only OFF, -1=NOT input/0/1=input, 2 = only ON") .. "]";
 	for i =1,n do
 		form = form.."field[0.25,"..(0.5+(i-1)*0.75)..";1,1;x"..i..";;"..p[i].x.."] field[1.25,"..(0.5+(i-1)*0.75)..";1,1;y"..i..";;"..p[i].y.."] field[2.25,"..(0.5+(i-1)*0.75)..";1,1;z"..i..";;"..p[i].z.."] field [ 3.25,"..(0.5+(i-1)*0.75)..";1,1;active"..i..";;" .. active[i] .. "]"
@@ -1958,7 +1976,6 @@ local get_distributor_form = function(pos,player)
 	form=form.."button_exit[4.25,"..(0.25+(n)*0.75)..";1,1;ADD;ADD]".."button_exit[3.,"..(0.25+(n)*0.75)..";1,1;OK;OK]".."field[0.25,"..(0.5+(n)*0.75)..";1,1;delay;delay;"..delay .. "]";
 	form = form.."button[6.25,"..(0.25+(n)*0.75)..";1,1;help;help]";
 	return form
-
 end
 
 
@@ -2164,7 +2181,11 @@ minetest.register_node("basic_machines:light_on", {
 		local meta = minetest.get_meta(pos);
 		local list_name = "nodemeta:"..pos.x..','..pos.y..','..pos.z
 		local deactivate = meta:get_int("deactivate");
-		local form  = "size[2,2] field[0.25,0.5;2,1;deactivate;deactivate after ;"..deactivate.."]".."button_exit[0.,1;1,1;OK;OK]";
+		local form  = "size[2,2]"..
+			default.gui_bg..
+			default.gui_bg_img..
+			default.gui_slots..
+			"field[0.25,0.5;2,1;deactivate;deactivate after ;"..deactivate.."]".."button_exit[0.,1;1,1;OK;OK]";
 		meta:set_string("formspec", form);
 	end,
 	on_receive_fields = function(pos, formname, fields, player)
@@ -2179,7 +2200,11 @@ minetest.register_node("basic_machines:light_on", {
 			local deactivate = basic_machines.tonumber(fields.deactivate) or 0;
 			if deactivate <0 or deactivate > 600 then deactivate = 0 end
 			meta:set_int("deactivate",deactivate);
-			local form  = "size[2,2] field[0.25,0.5;2,1;deactivate;deactivate after ;"..deactivate.."]".."button_exit[0.,1;1,1;OK;OK]";
+			local form  = "size[2,2]"..
+			default.gui_bg..
+			default.gui_bg_img..
+			default.gui_slots..
+			"field[0.25,0.5;2,1;deactivate;deactivate after ;"..deactivate.."]".."button_exit[0.,1;1,1;OK;OK]";
 			meta:set_string("formspec", form);
 		end
 
@@ -2535,7 +2560,11 @@ minetest.register_on_player_receive_fields(function(player,formname,fields)
 			"\n\n FUEL CONSUMPTION depends on blocks to be moved and distance. For example, stone or tree is harder to move than dirt, harvesting wheat is very cheap and and moving lava is very hard."..
 			"\n\n UPGRADE mover by moving mese blocks in upgrade inventory. Each mese block increases mover range by 10, fuel consumption is divided by (number of mese blocks)+1 in upgrade. Max 10 blocks are used for upgrade. Dont forget to click OK to refresh after upgrade. "..
 			"\n\n Activate mover by keypad/detector signal or mese signal (if mesecons mod) .";
-			local form = "size [6,7] textarea[0,0;6.5,8.5;help;MOVER HELP;".. text.."]"
+			local form = "size [6,7]"..
+			default.gui_bg..
+			default.gui_bg_img..
+			default.gui_slots..
+			"textarea[0,0;6.5,8.5;help;MOVER HELP;".. text.."]"
 			minetest.show_formspec(name, "basic_machines:help_mover", form)
 			return
 		end
@@ -2700,7 +2729,11 @@ minetest.register_on_player_receive_fields(function(player,formname,fields)
 				"\ntext replacement : Suppose keypad A is set with text \"@some @. text @!\" and there are blocks on top of keypad A with infotext '1' and '2'. Suppose we target B with A and activate A. Then text of keypad B will be set to \"some 1. text 2!\""..
 				"\nword extraction: Suppose similiar setup but now keypad A is set with text \"%1\". Then upon activation text of keypad B will be set to 1.st word of infotext";
 
-			local form = "size [6,7] textarea[0,0;6.5,8.5;help;KEYPAD HELP;".. text.."]"
+			local form = "size[6,7]"..
+				default.gui_bg..
+				default.gui_bg_img..
+				default.gui_slots..
+				"textarea[0,0;6.5,8.5;help;KEYPAD HELP;".. text.."]"
 			minetest.show_formspec(name, "basic_machines:help_keypad", form)
 			return
 		end
@@ -2805,7 +2838,11 @@ minetest.register_on_player_receive_fields(function(player,formname,fields)
 			"If source position is chest it will look into it and check if there are items inside. If mode is inventory it will check for items in specified inventory of source node."..
 			"\n\nADVANCED: you can select second source and then select AND/OR from the right top dropdown list to do logical operations. You can also filter output signal:\n -2=only OFF,-1=NOT/0/1=normal,2=only ON, 3 only if changed"..
 			" 4 = if target keypad set its text to detected object name" ;
-			local form = "size [5.5,5.5] textarea[0,0;6,7;help;DETECTOR HELP;".. text.."]"
+			local form = "size[5.5,5.5]"..
+				default.gui_bg..
+				default.gui_bg_img..
+				default.gui_slots..
+				"textarea[0,0;6,7;help;DETECTOR HELP;".. text.."]"
 			minetest.show_formspec(name, "basic_machines:help_detector", form)
 		end
 
@@ -2954,7 +2991,11 @@ minetest.register_on_player_receive_fields(function(player,formname,fields)
 			"delay option adds delay to activations, in seconds. With negative delay activation is randomized with probability -delay/1000.\n\n"..
 			"ADVANCED: you can use distributor as an event handler. First you must deactivate first target by putting 0 at\n"..
 			"last place in first line. Meanings of first 2 numbers are as follows: first number 0/1 controls if node/n".. "listens to failed interact attempts around it, second number -1/1 listens to chat and can mute it";
-			local form = "size [5.5,5.5] textarea[0,0;6,7;help;DISTRIBUTOR HELP;".. text.."]"
+			local form = "size[5.5,5.5]"..
+				default.gui_bg..
+				default.gui_bg_img..
+				default.gui_slots..
+				"textarea[0,0;6,7;help;DISTRIBUTOR HELP;".. text.."]"
 			minetest.show_formspec(name, "basic_machines:help_distributor", form)
 		end
 

recycler.lua

@@ -13,25 +13,25 @@ local no_recycle_list  = {
 }
 
 
-local recycler_process = function(pos) 
-	
+local recycler_process = function(pos)
+
 	local node = minetest.get_node({x=pos.x,y=pos.y-1,z=pos.z}).name;
 	local meta = minetest.get_meta(pos);local inv = meta:get_inventory();
-	
+
 	-- FUEL CHECK
 	local fuel = meta:get_float("fuel");
-	
+
 	if fuel-1<0 then -- we need new fuel, check chest below
-		local fuellist = inv:get_list("fuel") 
+		local fuellist = inv:get_list("fuel")
 		if not fuellist then return end
-		
-		local fueladd, afterfuel = minetest.get_craft_result({method = "fuel", width = 1, items = fuellist}) 
-		
+
+		local fueladd, afterfuel = minetest.get_craft_result({method = "fuel", width = 1, items = fuellist})
+
 		local supply=0;
 		if fueladd.time == 0 then -- no fuel inserted, try look for outlet
 				-- No valid fuel in fuel list
 				supply = basic_machines.check_power({x=pos.x,y=pos.y-1,z=pos.z},1) or 0;
-				if supply>0 then 
+				if supply>0 then
 					fueladd.time = 40*supply -- same as 10 coal
 				else
 					meta:set_string("infotext", "Please insert fuel.");
@@ -42,8 +42,8 @@ local recycler_process = function(pos)
 				inv:set_stack("fuel", 1, afterfuel.items[1])
 				fueladd.time = fueladd.time*0.1; -- thats 4 for coal
 			end
-		end 
-		if fueladd.time>0 then 
+		end
+		if fueladd.time>0 then
 			fuel=fuel + fueladd.time
 			meta:set_float("fuel",fuel);
 			meta:set_string("infotext", "added fuel furnace burn time " .. fueladd.time .. ", fuel status " .. fuel);
@@ -51,15 +51,15 @@ local recycler_process = function(pos)
 		if fuel-1<0 then return end
 	end
 
-	
-	
+
+
 	-- RECYCLING: check out inserted items
 	local stack = inv:get_stack("src",1);
 		if stack:is_empty() then return end; -- nothing to do
 
 		local src_item = stack:to_string();
-		local p=string.find(src_item," "); if p then src_item = string.sub(src_item,1,p-1) end -- take first word to determine what item was 
-		
+		local p=string.find(src_item," "); if p then src_item = string.sub(src_item,1,p-1) end -- take first word to determine what item was
+
 		-- look if we already handled this item
 		local known_recipe=true;
 		if src_item~=meta:get_string("node") then-- did we already handle this? if yes read from cache
@@ -68,56 +68,56 @@ local recycler_process = function(pos)
 			meta:set_int("reqcount",0);
 			known_recipe=false;
 		end
-		
+
 		local itemlist, reqcount;
 		reqcount = 1; -- needed count of materials for recycle to work
-		
+
 		if not known_recipe then
-		
+
 			if no_recycle_list[src_item] then meta:set_string("node","") return end -- dont allow recycling of forbidden items
-			
+
 			local recipe = minetest.get_all_craft_recipes( src_item );
 			local recipe_id = basic_machines.tonumber(meta:get_int("recipe")) or 1;
-			
-			if not recipe then 
+
+			if not recipe then
 				return
-			else 
+			else
 				itemlist = recipe[recipe_id];
 				if not itemlist then meta:set_string("node","") return end;
 				itemlist=itemlist.items;
 			end
 			local output = recipe[recipe_id].output or "";
-			if string.find(output," ") then 
+			if string.find(output," ") then
 				local par = string.find(output," ");
 				--if (basic_machines.tonumber(string.sub(output, par)) or 0)>1 then itemlist = {} end
-				
+
 				if par then
 					reqcount = basic_machines.tonumber(string.sub(output, par)) or 1;
 				end
-			
-			end 
-			
+
+			end
+
 			meta:set_string("itemlist",minetest.serialize(itemlist)); -- read cached itemlist
 			meta:set_int("reqcount",reqcount);
-		else 
+		else
 			itemlist=minetest.deserialize(meta:get_string("itemlist")) or {};
 			reqcount = meta:get_int("reqcount") or 1;
 		end
-		
+
 		if stack:get_count()<reqcount then
 			meta:set_string("infotext", "at least " .. reqcount .. " of " .. src_item .. " is needed ");
 			return
 		end
-		
+
 		--empty dst inventory before proceeding
-		-- local size = inv:get_size("dst"); 
+		-- local size = inv:get_size("dst");
 		-- for i=1,size do
 			-- inv:set_stack("dst", i, ItemStack(""));
 		-- end
-		
+
 		--take 1 item from src inventory for each activation
 		stack=stack:take_item(reqcount); inv:remove_item("src", stack)
-		
+
 		for _,  v in pairs(itemlist) do
 			if math.random(1, 4)<=3 then -- probability 3/4 = 75%
 				if not string.find(v,"group") then -- dont add if item described with group
@@ -129,12 +129,12 @@ local recycler_process = function(pos)
 				end
 			end
 		end
-	
-		
-		
+
+
+
 		minetest.sound_play("recycler", {pos=pos,gain=0.5,max_hear_distance = 16,})
-		
-		
+
+
 		fuel = fuel-1; -- burn fuel on succesful operation
 		meta:set_float("fuel",fuel); meta:set_string("infotext", "fuel status " .. fuel .. ", recycling " .. meta:get_string("node"));
 end
@@ -142,10 +142,13 @@ end
 
 local recycler_update_meta = function(pos)
 	local meta = minetest.get_meta(pos)
-	local list_name = "nodemeta:"..pos.x..','..pos.y..','..pos.z 
-	local form  = 
+	local list_name = "nodemeta:"..pos.x..','..pos.y..','..pos.z
+	local form  =
 		"size[8,8]"..  -- width, heightinv:get_stack
 		--"size[6,10]"..  -- width, height
+		default.gui_bg..
+		default.gui_bg_img..
+		default.gui_slots..
 		"label[0,0;IN] label[1,0;OUT] label[0,2;FUEL] "..
 		"list["..list_name..";src;0.,0.5;1,1;]"..
 		"list["..list_name..";dst;1.,0.5;3,3;]"..
@@ -158,7 +161,7 @@ local recycler_update_meta = function(pos)
 		"listring["..list_name..";src]"..
 		"listring[current_player;main]"..
 		"listring["..list_name..";fuel]"..
-		"listring[current_player;main]"	
+		"listring[current_player;main]"
 		--"field[0.25,4.5;2,1;mode;mode;"..mode.."]"
 	meta:set_string("formspec", form)
 end
@@ -176,14 +179,14 @@ minetest.register_node("basic_machines:recycler", {
 		meta:set_float("fuel",0);
 		local inv = meta:get_inventory();inv:set_size("src", 1);inv:set_size("dst",9);inv:set_size("fuel",1);
 	end,
-	
+
 	on_rightclick = function(pos, node, player, itemstack, pointed_thing)
 		local meta = minetest.get_meta(pos);
 		local privs = minetest.get_player_privs(player:get_player_name());
 		if minetest.is_protected(pos, player:get_player_name()) and not privs.privs then return end -- only owner can interact with recycler
 		recycler_update_meta(pos);
 	end,
-	
+
 	allow_metadata_inventory_put = function(pos, listname, index, stack, player)
 
 		if minetest.is_protected(pos, player:get_player_name()) then
@@ -196,7 +199,7 @@ minetest.register_node("basic_machines:recycler", {
 		if meta:get_string("owner")~=player:get_player_name() and not privs.privs then return 0 end
 		return stack:get_count();
 	end,
-	
+
 	allow_metadata_inventory_take = function(pos, listname, index, stack, player)
 
 		if minetest.is_protected(pos, player:get_player_name()) then
@@ -209,25 +212,25 @@ minetest.register_node("basic_machines:recycler", {
 		if meta:get_string("owner")~=player:get_player_name() and not privs.privs then return 0 end
 		return stack:get_count();
 	end,
-	
-	on_metadata_inventory_put = function(pos, listname, index, stack, player) 
+
+	on_metadata_inventory_put = function(pos, listname, index, stack, player)
 		if listname =="dst" then return end
 		recycler_process(pos);
 	end,
-	
+
 	allow_metadata_inventory_move = function(pos, from_list, from_index, to_list, to_index, count, player)
 		return 0;
 	end,
-	
-	mesecons = {effector = { 
-		action_on = function (pos, node,ttl) 
+
+	mesecons = {effector = {
+		action_on = function (pos, node,ttl)
 		if type(ttl)~="number" then ttl = 1 end
 		if ttl<0 then return end -- machines_TTL prevents infinite recursion
 		recycler_process(pos);
 	end
 	}
 	},
-	
+
 	on_receive_fields = function(pos, formname, fields, sender)
 
 		if minetest.is_protected(pos, sender:get_player_name()) then
@@ -246,16 +249,16 @@ minetest.register_node("basic_machines:recycler", {
 		meta:set_string("node",""); -- this will force to reread recipe on next use
 		recycler_update_meta(pos);
 	end,
-	
+
 	can_dig = function(pos)
-	
+
 			local meta = minetest.get_meta(pos);
 			local inv = meta:get_inventory();
-			
+
 			if not (inv:is_empty("fuel")) or not (inv:is_empty("src")) or not (inv:is_empty("dst")) then return false end -- all inv must be empty to be dug
-		  			
+
 			return true
-			
+
 		end
 
 })
@@ -267,6 +270,6 @@ minetest.register_craft({
 		{"default:mese_crystal","default:mese_crystal","default:mese_crystal"},
 		{"default:mese_crystal","default:diamondblock","default:mese_crystal"},
 		{"default:mese_crystal","default:mese_crystal","default:mese_crystal"},
-		
+
 	}
 })

technic_power.lua

@@ -12,7 +12,9 @@ local battery_update_meta = function(pos)
 
 	local form =
 		"size[8,6.5]"..	-- width, height
-		"bgcolor[#333333;false]"..
+		default.gui_bg..
+		default.gui_bg_img..
+		default.gui_slots..
 		"label[0,0;FUEL] ".."label[6,0;UPGRADE] "..
 		"box[1.45,0.48;2.15,1.01;#222222]"..
 		"list["..list_name..";fuel;0.,0.5;1,1;]"..
@@ -271,7 +273,11 @@ minetest.register_node("basic_machines:battery_0", {
 				"UPGRADE with diamondblocks for more available power output or with "..
 				"meseblocks for more power storage capacity"
 
-				local form = "size [6,7] textarea[0,0;6.5,8.5;help;BATTERY HELP;".. text.."]"
+				local form = "size[6,7]"..
+					default.gui_bg..
+					default.gui_bg_img..
+					default.gui_slots..
+					"textarea[0,0;6.5,8.5;help;BATTERY HELP;".. text.."]"
 				minetest.show_formspec(name, "basic_machines:help_battery", form)
 			end
 		end,
@@ -347,6 +353,9 @@ local generator_update_meta = function(pos)
 
 		local form  =
 			"size[8,6.5]" ..  -- width, height
+			default.gui_bg..
+			default.gui_bg_img..
+			default.gui_slots..
 			"label[0,0;POWER CRYSTALS] ".."label[6,0;UPGRADE] "..
 			"label[1,1;UPGRADE LEVEL ".. meta:get_int("upgrade").." (generator)]"..
 			"list["..list_name..";fuel;0.,0.5;1,1;]"..
@@ -410,7 +419,11 @@ minetest.register_node("basic_machines:generator", {
 			if fields.quit then return end
 			if fields.help then
 				local text = "Generator slowly produces power crystals. Those can be used to recharge batteries and come in 3 flavors:\n\n low level (0-4), medium level (5-19) and high level (20+). Upgrading the generator (upgrade with generators) will increase the rate at which the crystals are produced.\n\nYou can automate the process of battery recharging by using mover in inventory mode, taking from inventory \"fuel\"";
-				local form = "size [6,7] textarea[0,0;6.5,8.5;help;GENERATOR HELP;".. text.."]"
+				local form = "size[6,7]"..
+					default.gui_bg..
+					default.gui_bg_img..
+					default.gui_slots..
+					"textarea[0,0;6.5,8.5;help;GENERATOR HELP;".. text.."]"
 				minetest.show_formspec(sender:get_player_name(), "basic_machines:help_mover", form)
 				return
 			end