homedecor_modpack/microwave_oven.lua

-- This code supplies an oven/stove. Basically it's just a copy of the default furnace with different textures.

-- Boilerplate to support localized strings if intllib mod is installed.
local S
if (minetest.get_modpath("intllib")) then
    dofile(minetest.get_modpath("intllib").."/intllib.lua")
    S = intllib.Getter(minetest.get_current_modname())
else
    S = function ( s ) return s end
end

local mw_oven_inactive_formspec =
	"size[8,9]"..
	"image[2,2;1,1;default_furnace_fire_bg.png]"..
	"list[current_name;fuel;2,3;1,1;]"..
	"list[current_name;src;2,1;1,1;]"..
	"list[current_name;dst;5,1;2,2;]"..
	"list[current_player;main;0,5;8,4;]"

minetest.register_node("homedecor:microwave_oven", {
	description = S("Microwave Oven"),
	tiles = {
		"homedecor_microwave_top.png",
		"homedecor_microwave_bottom.png",
		"homedecor_microwave_right.png",
		"homedecor_microwave_left.png",
		"homedecor_microwave_back.png",
		"homedecor_microwave_front.png"
	},
	drawtype = "nodebox",
	paramtype = "light",
	paramtype2 = "facedir",
	node_box = {
		type = "fixed",
		fixed = { { -0.5, -0.5, -0.125, 0.5, 0.125, 0.5 } },
	},
	groups = {cracky=2},
	legacy_facedir_simple = true,
	sounds = default.node_sound_wood_defaults(),
	on_construct = function(pos)
		local meta = minetest.env:get_meta(pos)
		meta:set_string("formspec", mw_oven_inactive_formspec)
		meta:set_string("infotext", S("Microwave Oven"))
		local inv = meta:get_inventory()
		inv:set_size("fuel", 1)
		inv:set_size("src", 1)
		inv:set_size("dst", 2)
	end,
	can_dig = function(pos,player)
		local meta = minetest.env:get_meta(pos);
		local inv = meta:get_inventory()
		if not inv:is_empty("fuel") then
			return false
		elseif not inv:is_empty("dst") then
			return false
		elseif not inv:is_empty("src") then
			return false
		end
		return true
	end,
	allow_metadata_inventory_put = function(pos, listname, index, stack, player)
		local meta = minetest.env:get_meta(pos)
		local inv = meta:get_inventory()
		if listname == "fuel" then
			if minetest.get_craft_result({method="fuel",width=1,items={stack}}).time ~= 0 then
				if inv:is_empty("src") then
					meta:set_string("infotext",S("Furnace is empty"))
				end
				return stack:get_count()
			else
				return 0
			end
		elseif listname == "src" then
			return stack:get_count()
		elseif listname == "dst" then
			return 0
		end
	end,
	allow_metadata_inventory_move = function(pos, from_list, from_index, to_list, to_index, count, player)
		local meta = minetest.env:get_meta(pos)
		local inv = meta:get_inventory()
		local stack = inv:get_stack(from_list, from_index)
		if to_list == "fuel" then
			if minetest.get_craft_result({method="fuel",width=1,items={stack}}).time ~= 0 then
				if inv:is_empty("src") then
					meta:set_string("infotext",S("Furnace is empty"))
				end
				return count
			else
				return 0
			end
		elseif to_list == "src" then
			return count
		elseif to_list == "dst" then
			return 0
		end
	end,
})

minetest.register_node("homedecor:microwave_oven_active", {
	description = S("Microwave Oven"),
	tiles = {
		"homedecor_microwave_top.png",
		"homedecor_microwave_bottom.png",
		"homedecor_microwave_right.png",
		"homedecor_microwave_left.png",
		"homedecor_microwave_back.png",
		"homedecor_microwave_front_active.png"
	},
	drawtype = "nodebox",
	paramtype = "light",
	paramtype2 = "facedir",
	node_box = {
		type = "fixed",
		fixed = { { -0.5, -0.5, -0.125, 0.5, 0.125, 0.5 } },
	},
	light_source = 8,
	drop = "homedecor:microwave_oven",
	groups = {cracky=2, not_in_creative_inventory=1},
	legacy_facedir_simple = true,
	sounds = default.node_sound_stone_defaults(),
	on_construct = function(pos)
		local meta = minetest.env:get_meta(pos)
		meta:set_string("formspec", mw_oven_inactive_formspec)
		meta:set_string("infotext", S("Microwave Oven"))
		local inv = meta:get_inventory()
		inv:set_size("fuel", 1)
		inv:set_size("src", 1)
		inv:set_size("dst", 2)
	end,
	can_dig = function(pos,player)
		local meta = minetest.env:get_meta(pos);
		local inv = meta:get_inventory()
		if not inv:is_empty("fuel") then
			return false
		elseif not inv:is_empty("dst") then
			return false
		elseif not inv:is_empty("src") then
			return false
		end
		return true
	end,
	allow_metadata_inventory_put = function(pos, listname, index, stack, player)
		local meta = minetest.env:get_meta(pos)
		local inv = meta:get_inventory()
		if listname == "fuel" then
			if minetest.get_craft_result({method="fuel",width=1,items={stack}}).time ~= 0 then
				if inv:is_empty("src") then
					meta:set_string("infotext",S("Oven is empty"))
				end
				return stack:get_count()
			else
				return 0
			end
		elseif listname == "src" then
			return stack:get_count()
		elseif listname == "dst" then
			return 0
		end
	end,
	allow_metadata_inventory_move = function(pos, from_list, from_index, to_list, to_index, count, player)
		local meta = minetest.env:get_meta(pos)
		local inv = meta:get_inventory()
		local stack = inv:get_stack(from_list, from_index)
		if to_list == "fuel" then
			if minetest.get_craft_result({method="fuel",width=1,items={stack}}).time ~= 0 then
				if inv:is_empty("src") then
					meta:set_string("infotext",S("Oven is empty"))
				end
				return count
			else
				return 0
			end
		elseif to_list == "src" then
			return count
		elseif to_list == "dst" then
			return 0
		end
	end,
})

local function hacky_swap_node(pos,name)
	local node = minetest.env:get_node(pos)
	local meta = minetest.env:get_meta(pos)
	local meta0 = meta:to_table()
	if node.name == name then
		return
	end
	node.name = name
	local meta0 = meta:to_table()
	minetest.env:set_node(pos,node)
	meta = minetest.env:get_meta(pos)
	meta:from_table(meta0)
end

minetest.register_abm({
	nodenames = {"homedecor:microwave_oven","homedecor:microwave_oven_active"},
	interval = 1.0,
	chance = 1,
	action = function(pos, node, active_object_count, active_object_count_wider)
		local meta = minetest.env:get_meta(pos)
		for i, name in ipairs({
				"fuel_totaltime",
				"fuel_time",
				"src_totaltime",
				"src_time"
		}) do
			if meta:get_string(name) == "" then
				meta:set_float(name, 0.0)
			end
		end

		local inv = meta:get_inventory()

		local srclist = inv:get_list("src")
		local cooked = nil
		local aftercooked
		
		if srclist then
			cooked, aftercooked = minetest.get_craft_result({method = "cooking", width = 1, items = srclist})
		end
		
		local was_active = false
		
		if meta:get_float("fuel_time") < meta:get_float("fuel_totaltime") then
			was_active = true
			meta:set_float("fuel_time", meta:get_float("fuel_time") + 1)
			meta:set_float("src_time", meta:get_float("src_time") + 1.25)
			if cooked and cooked.item and meta:get_float("src_time") >= cooked.time then
				-- check if there's room for output in "dst" list
				if inv:room_for_item("dst",cooked.item) then
					-- Put result in "dst" list
					inv:add_item("dst", cooked.item)
					-- take stuff from "src" list
					inv:set_stack("src", 1, aftercooked.items[1])
				else
					print(S("Could not insert '%s'"):format(cooked.item:to_string()))
				end
				meta:set_string("src_time", 0)
			end
		end
		
		if meta:get_float("fuel_time") < meta:get_float("fuel_totaltime") then
			local percent = math.floor(meta:get_float("fuel_time") /
					meta:get_float("fuel_totaltime") * 100)
			meta:set_string("infotext",S("Oven active: %d%%"):format(percent))
			hacky_swap_node(pos,"homedecor:microwave_oven_active")
			meta:set_string("formspec",
				"size[8,9]"..
				"image[2,2;1,1;default_furnace_fire_bg.png^[lowpart:"..
						(100-percent)..":default_furnace_fire_fg.png]"..
				"list[current_name;fuel;2,3;1,1;]"..
				"list[current_name;src;2,1;1,1;]"..
				"list[current_name;dst;5,1;2,2;]"..
				"list[current_player;main;0,5;8,4;]")
			return
		end

		local fuel = nil
		local afterfuel
		local cooked = nil
		local fuellist = inv:get_list("fuel")
		local srclist = inv:get_list("src")
		
		if srclist then
			cooked = minetest.get_craft_result({method = "cooking", width = 1, items = srclist})
		end
		if fuellist then
			fuel, afterfuel = minetest.get_craft_result({method = "fuel", width = 1, items = fuellist})
		end

		if fuel.time <= 0 then
			meta:set_string("infotext",S("Oven out of fuel"))
			hacky_swap_node(pos,"homedecor:microwave_oven")
			meta:set_string("formspec", mw_oven_inactive_formspec)
			return
		end

		if cooked.item:is_empty() then
			if was_active then
				meta:set_string("infotext",S("Oven is empty"))
				hacky_swap_node(pos,"homedecor:microwave_oven")
				meta:set_string("formspec", mw_oven_inactive_formspec)
			end
			return
		end

		if inv:room_for_item("dst",cooked.item) then
			meta:set_string("infotext", S("Oven output bins are full"))
			hacky_swap_node(pos, "homedecor:microwave_oven")
			meta:set_string("formspec", mw_oven_inactive_formspec)
			return
		end 

		meta:set_string("fuel_totaltime", fuel.time)
		meta:set_string("fuel_time", 0)
		
		inv:set_stack("fuel", 1, afterfuel.items[1])
	end,
})