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	Furnace inactive (Item: Not cookable; Fuel: Empty) --> becomes --> Furnace inactive (Item: Not cookable; Fuel: Empty)
		
			
				
	
	
		
			331 lines
		
	
	
		
			8.8 KiB
		
	
	
	
		
			Lua
		
	
	
	
	
	
			
		
		
	
	
			331 lines
		
	
	
		
			8.8 KiB
		
	
	
	
		
			Lua
		
	
	
	
	
	
| 
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| --
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| -- Formspecs
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| --
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| 
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| function default.get_furnace_active_formspec(fuel_percent, item_percent)
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| 	return "size[8,8.5]"..
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| 		default.gui_bg..
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| 		default.gui_bg_img..
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| 		default.gui_slots..
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| 		"list[context;src;2.75,0.5;1,1;]"..
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| 		"list[context;fuel;2.75,2.5;1,1;]"..
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| 		"image[2.75,1.5;1,1;default_furnace_fire_bg.png^[lowpart:"..
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| 		(100-fuel_percent)..":default_furnace_fire_fg.png]"..
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| 		"image[3.75,1.5;1,1;gui_furnace_arrow_bg.png^[lowpart:"..
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| 		(item_percent)..":gui_furnace_arrow_fg.png^[transformR270]"..
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| 		"list[context;dst;4.75,0.96;2,2;]"..
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| 		"list[current_player;main;0,4.25;8,1;]"..
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| 		"list[current_player;main;0,5.5;8,3;8]"..
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| 		"listring[context;dst]"..
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| 		"listring[current_player;main]"..
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| 		"listring[context;src]"..
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| 		"listring[current_player;main]"..
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| 		"listring[context;fuel]"..
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| 		"listring[current_player;main]"..
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| 		default.get_hotbar_bg(0, 4.25)
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| end
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| 
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| function default.get_furnace_inactive_formspec()
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| 	return "size[8,8.5]"..
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| 		default.gui_bg..
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| 		default.gui_bg_img..
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| 		default.gui_slots..
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| 		"list[context;src;2.75,0.5;1,1;]"..
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| 		"list[context;fuel;2.75,2.5;1,1;]"..
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| 		"image[2.75,1.5;1,1;default_furnace_fire_bg.png]"..
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| 		"image[3.75,1.5;1,1;gui_furnace_arrow_bg.png^[transformR270]"..
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| 		"list[context;dst;4.75,0.96;2,2;]"..
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| 		"list[current_player;main;0,4.25;8,1;]"..
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| 		"list[current_player;main;0,5.5;8,3;8]"..
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| 		"listring[context;dst]"..
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| 		"listring[current_player;main]"..
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| 		"listring[context;src]"..
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| 		"listring[current_player;main]"..
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| 		"listring[context;fuel]"..
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| 		"listring[current_player;main]"..
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| 		default.get_hotbar_bg(0, 4.25)
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| end
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| 
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| --
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| -- Node callback functions that are the same for active and inactive furnace
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| --
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| 
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| local function can_dig(pos, player)
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| 	local meta = minetest.get_meta(pos);
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| 	local inv = meta:get_inventory()
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| 	return inv:is_empty("fuel") and inv:is_empty("dst") and inv:is_empty("src")
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| end
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| 
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| local function allow_metadata_inventory_put(pos, listname, index, stack, player)
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| 	if minetest.is_protected(pos, player:get_player_name()) then
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| 		return 0
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| 	end
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| 	local meta = minetest.get_meta(pos)
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| 	local inv = meta:get_inventory()
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| 	if listname == "fuel" then
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| 		if minetest.get_craft_result({method="fuel", width=1, items={stack}}).time ~= 0 then
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| 			if inv:is_empty("src") then
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| 				meta:set_string("infotext", "Furnace is empty")
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| 			end
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| 			return stack:get_count()
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| 		else
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| 			return 0
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| 		end
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| 	elseif listname == "src" then
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| 		return stack:get_count()
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| 	elseif listname == "dst" then
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| 		return 0
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| 	end
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| end
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| 
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| local function allow_metadata_inventory_move(pos, from_list, from_index, to_list, to_index, count, player)
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| 	local meta = minetest.get_meta(pos)
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| 	local inv = meta:get_inventory()
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| 	local stack = inv:get_stack(from_list, from_index)
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| 	return allow_metadata_inventory_put(pos, to_list, to_index, stack, player)
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| end
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| 
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| local function allow_metadata_inventory_take(pos, listname, index, stack, player)
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| 	if minetest.is_protected(pos, player:get_player_name()) then
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| 		return 0
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| 	end
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| 	return stack:get_count()
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| end
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| 
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| local function swap_node(pos, name)
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| 	local node = minetest.get_node(pos)
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| 	if node.name == name then
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| 		return
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| 	end
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| 	node.name = name
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| 	minetest.swap_node(pos, node)
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| end
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| 
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| local function furnace_node_timer(pos, elapsed)
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| 	--
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| 	-- Inizialize metadata
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| 	--
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| 	local meta = minetest.get_meta(pos)
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| 	local fuel_time = meta:get_float("fuel_time") or 0
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| 	local src_time = meta:get_float("src_time") or 0
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| 	local fuel_totaltime = meta:get_float("fuel_totaltime") or 0
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| 
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| 	local inv = meta:get_inventory()
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| 	local srclist, fuellist
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| 
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| 	local cookable, cooked
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| 	local fuel
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| 
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| 	local update = true
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| 	while update do
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| 		update = false
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| 
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| 		srclist = inv:get_list("src")
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| 		fuellist = inv:get_list("fuel")
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| 
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| 		--
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| 		-- Cooking
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| 		--
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| 
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| 		-- Check if we have cookable content
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| 		local aftercooked
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| 		cooked, aftercooked = minetest.get_craft_result({method = "cooking", width = 1, items = srclist})
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| 		cookable = cooked.time ~= 0
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| 
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| 		-- Check if we have enough fuel to burn
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| 		if fuel_time < fuel_totaltime then
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| 			-- The furnace is currently active and has enough fuel
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| 			fuel_time = fuel_time + elapsed
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| 			-- If there is a cookable item then check if it is ready yet
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| 			if cookable then
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| 				src_time = src_time + elapsed
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| 				if src_time >= cooked.time then
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| 					-- Place result in dst list if possible
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| 					if inv:room_for_item("dst", cooked.item) then
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| 						inv:add_item("dst", cooked.item)
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| 						inv:set_stack("src", 1, aftercooked.items[1])
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| 						src_time = src_time - cooked.time
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| 						update = true
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| 					end
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| 				end
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| 			end
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| 		else
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| 			-- Furnace ran out of fuel
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| 			if cookable then
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| 				-- We need to get new fuel
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| 				local afterfuel
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| 				fuel, afterfuel = minetest.get_craft_result({method = "fuel", width = 1, items = fuellist})
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| 
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| 				if fuel.time == 0 then
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| 					-- No valid fuel in fuel list
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| 					fuel_totaltime = 0
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| 					src_time = 0
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| 				else
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| 					-- Take fuel from fuel list
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| 					inv:set_stack("fuel", 1, afterfuel.items[1])
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| 					update = true
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| 					fuel_totaltime = fuel.time + (fuel_time - fuel_totaltime)
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| 					src_time = src_time + elapsed
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| 				end
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| 			else
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| 				-- We don't need to get new fuel since there is no cookable item
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| 				fuel_totaltime = 0
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| 				src_time = 0
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| 			end
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| 			fuel_time = 0
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| 		end
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| 
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| 		elapsed = 0
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| 	end
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| 
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| 	if fuel and fuel_totaltime > fuel.time then
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| 		fuel_totaltime = fuel.time
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| 	end
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| 	if srclist[1]:is_empty() then
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| 		src_time = 0
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| 	end
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| 
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| 	--
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| 	-- Update formspec, infotext and node
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| 	--
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| 	local formspec
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| 	local item_state
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| 	local item_percent = 0
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| 	if cookable then
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| 		item_percent = math.floor(src_time / cooked.time * 100)
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| 		if item_percent > 100 then
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| 			item_state = "100% (output full)"
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| 		else
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| 			item_state = item_percent .. "%"
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| 		end
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| 	else
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| 		if srclist[1]:is_empty() then
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| 			item_state = "Empty"
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| 		else
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| 			item_state = "Not cookable"
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| 		end
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| 	end
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| 
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| 	local fuel_state = "Empty"
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| 	local active = "inactive"
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| 	local result = false
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| 
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| 	if fuel_totaltime ~= 0 then
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| 		active = "active"
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| 		local fuel_percent = math.floor(fuel_time / fuel_totaltime * 100)
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| 		fuel_state = fuel_percent .. "%"
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| 		formspec = default.get_furnace_active_formspec(fuel_percent, item_percent)
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| 		swap_node(pos, "default:furnace_active")
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| 		-- make sure timer restarts automatically
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| 		result = true
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| 	else
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| 		if not fuellist[1]:is_empty() then
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| 			fuel_state = "0%"
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| 		end
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| 		formspec = default.get_furnace_inactive_formspec()
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| 		swap_node(pos, "default:furnace")
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| 		-- stop timer on the inactive furnace
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| 		minetest.get_node_timer(pos):stop()
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| 	end
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| 
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| 	local infotext = "Furnace " .. active .. "\n(Item: " .. item_state ..
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| 		"; Fuel: " .. fuel_state .. ")"
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| 
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| 	--
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| 	-- Set meta values
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| 	--
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| 	meta:set_float("fuel_totaltime", fuel_totaltime)
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| 	meta:set_float("fuel_time", fuel_time)
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| 	meta:set_float("src_time", src_time)
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| 	meta:set_string("formspec", formspec)
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| 	meta:set_string("infotext", infotext)
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| 
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| 	return result
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| end
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| 
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| --
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| -- Node definitions
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| --
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| 
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| minetest.register_node("default:furnace", {
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| 	description = "Furnace",
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| 	tiles = {
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| 		"default_furnace_top.png", "default_furnace_bottom.png",
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| 		"default_furnace_side.png", "default_furnace_side.png",
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| 		"default_furnace_side.png", "default_furnace_front.png"
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| 	},
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| 	paramtype2 = "facedir",
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| 	groups = {cracky=2},
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| 	legacy_facedir_simple = true,
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| 	is_ground_content = false,
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| 	sounds = default.node_sound_stone_defaults(),
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| 
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| 	can_dig = can_dig,
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| 
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| 	on_timer = furnace_node_timer,
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| 
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| 	on_construct = function(pos)
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| 		local meta = minetest.get_meta(pos)
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| 		meta:set_string("formspec", default.get_furnace_inactive_formspec())
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| 		local inv = meta:get_inventory()
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| 		inv:set_size('src', 1)
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| 		inv:set_size('fuel', 1)
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| 		inv:set_size('dst', 4)
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| 	end,
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| 
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| 	on_metadata_inventory_move = function(pos)
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| 		minetest.get_node_timer(pos):start(1.0)
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| 	end,
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| 	on_metadata_inventory_put = function(pos)
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| 		-- start timer function, it will sort out whether furnace can burn or not.
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| 		minetest.get_node_timer(pos):start(1.0)
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| 	end,
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| 	on_blast = function(pos)
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| 		local drops = {}
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| 		default.get_inventory_drops(pos, "src", drops)
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| 		default.get_inventory_drops(pos, "fuel", drops)
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| 		default.get_inventory_drops(pos, "dst", drops)
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| 		drops[#drops+1] = "default:furnace"
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| 		minetest.remove_node(pos)
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| 		return drops
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| 	end,
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| 
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| 	allow_metadata_inventory_put = allow_metadata_inventory_put,
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| 	allow_metadata_inventory_move = allow_metadata_inventory_move,
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| 	allow_metadata_inventory_take = allow_metadata_inventory_take,
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| })
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| 
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| minetest.register_node("default:furnace_active", {
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| 	description = "Furnace",
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| 	tiles = {
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| 		"default_furnace_top.png", "default_furnace_bottom.png",
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| 		"default_furnace_side.png", "default_furnace_side.png",
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| 		"default_furnace_side.png",
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| 		{
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| 			image = "default_furnace_front_active.png",
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| 			backface_culling = false,
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| 			animation = {
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| 				type = "vertical_frames",
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| 				aspect_w = 16,
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| 				aspect_h = 16,
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| 				length = 1.5
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| 			},
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| 		}
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| 	},
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| 	paramtype2 = "facedir",
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| 	light_source = 8,
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| 	drop = "default:furnace",
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| 	groups = {cracky=2, not_in_creative_inventory=1},
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| 	legacy_facedir_simple = true,
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| 	is_ground_content = false,
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| 	sounds = default.node_sound_stone_defaults(),
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| 	on_timer = furnace_node_timer,
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| 
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| 	can_dig = can_dig,
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| 
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| 	allow_metadata_inventory_put = allow_metadata_inventory_put,
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| 	allow_metadata_inventory_move = allow_metadata_inventory_move,
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| 	allow_metadata_inventory_take = allow_metadata_inventory_take,
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| })
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