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-- A solar furnace is an auxiliary device which allows to use cooking recipes
-- without fuel. The downside is half the speed of a fuel-consuming furnace
-- and the need to be exposed to maximal direct sunlight at all times (L = 15).
local S = technic.getter
minetest.register_craft({
output = 'technic:solar_furnace',
recipe = {
{'technic:stainless_steel_ingot', 'technic:stainless_steel_ingot', 'technic:stainless_steel_ingot'},
{'technic:composite_plate', 'default:furnace', 'technic:composite_plate'},
{'technic:cast_iron_ingot', 'technic:cast_iron_ingot', 'technic:cast_iron_ingot'},
}
})
local machine_name = S("Solar Furnace")
local formspec =
"size[8,9]"..
"label[0,0;"..machine_name.."]"..
"image[2,2;1,1;technic_power_meter_bg.png]"..
"list[current_name;src;2,1;1,1;]"..
"list[current_name;dst;5,1;2,2;]"..
"list[current_player;main;0,5;8,4;]"..
"listring[current_name;dst]"..
"listring[current_player;main]"..
"listring[current_name;src]"..
"listring[current_player;main]"
minetest.register_node("technic:solar_furnace", {
description = machine_name,
drawtype = "nodebox",
node_box = {
type = "fixed",
fixed = {
{-5/16, -1/2, -5/16, 5/16, 3/16, 5/16},
{-1/2, 3/16, -1/2, 1/2, 1/2, 1/2},
{-2/16, 1/2, -2/16, 2/16, 17/32, 2/16},
},
},
tiles = {"technic_solar_furnace_top.png", "technic_solar_furnace_bottom.png",
"technic_solar_furnace_side.png", "technic_solar_furnace_side.png",
"technic_solar_furnace_side.png", "technic_solar_furnace_side.png"},
paramtype2 = "facedir",
groups = {cracky=2},
legacy_facedir_simple = true,
sounds = default.node_sound_stone_defaults(),
on_construct = function(pos)
local meta = minetest.get_meta(pos)
meta:set_string("formspec", formspec)
meta:set_string("infotext", machine_name)
local inv = meta:get_inventory()
inv:set_size("src", 1)
inv:set_size("dst", 4)
meta:set_int("elapsed", 0)
meta:set_int("cook_time", 0)
end,
can_dig = technic.machine_can_dig,
allow_metadata_inventory_put = technic.machine_inventory_put,
allow_metadata_inventory_take = technic.machine_inventory_take,
allow_metadata_inventory_move = technic.machine_inventory_move,
})
minetest.register_node("technic:solar_furnace_active", {
description = machine_name,
drawtype = "nodebox",
node_box = {
type = "fixed",
fixed = {
{-5/16, -1/2, -5/16, 5/16, 3/16, 5/16},
{-1/2, 3/16, -1/2, 1/2, 1/2, 1/2},
{-2/16, 1/2, -2/16, 2/16, 17/32, 2/16},
},
},
tiles = {"technic_solar_furnace_top.png", "technic_solar_furnace_bottom.png",
"technic_solar_furnace_side.png", "technic_solar_furnace_side.png",
"technic_solar_furnace_side.png", "technic_solar_furnace_side.png"},
paramtype2 = "facedir",
light_source = 14,
drop = "technic:solar_furnace",
groups = {cracky=2, not_in_creative_inventory=1},
legacy_facedir_simple = true,
sounds = default.node_sound_stone_defaults(),
can_dig = technic.machine_can_dig,
allow_metadata_inventory_put = technic.machine_inventory_put,
allow_metadata_inventory_take = technic.machine_inventory_take,
allow_metadata_inventory_move = technic.machine_inventory_move,
})
minetest.register_abm({
label = "Machines: run solar furnace",
nodenames = {"technic:solar_furnace", "technic:solar_furnace_active"},
interval = 1,
chance = 1,
action = function(pos, node, active_object_count, active_object_count_wider)
local meta = minetest.get_meta(pos)
local inv = meta:get_inventory()
local recipe = nil
if not meta:get_int("elapsed") then
meta:set_int("elapsed", 0)
end
if not meta:get_int("cook_time") then
meta:set_int("cook_time", 0)
end
local light_pos = {x = pos.x, y = pos.y + 1, z = pos.z}
local powered = false
local node = minetest.get_node_or_nil(light_pos)
if minetest.get_node_light(light_pos) == 15 and node.name == "air" then
powered = true
end
local result = technic.get_recipe("cooking", inv:get_list("src"))
if result and result.time then
meta:set_int("cook_time", result.time * 2)
end
if powered then
if result then
if meta:get_int("elapsed") >= meta:get_int("cook_time") then
local percent = 100
meta:set_string("infotext", S("%s is active"):format(machine_name).." ("..percent.."%)")
meta:set_string("formspec",
"size[8,9]"..
"label[0,0;"..machine_name.."]"..
"image[2,2;1,1;technic_power_meter_bg.png^[lowpart:" .. percent .. ":technic_power_meter_fg.png]"..
"list[current_name;src;2,1;1,1;]"..
"list[current_name;dst;5,1;2,2;]"..
"list[current_player;main;0,5;8,4;]"..
"listring[current_name;dst]"..
"listring[current_player;main]"..
"listring[current_name;src]"..
"listring[current_player;main]")
local result_stack = ItemStack(result.output)
if inv:room_for_item("dst", result_stack) then
inv:set_list("src", result.new_input)
inv:add_item("dst", result_stack)
end
meta:set_int("elapsed", 0)
local recipe = technic.get_recipe("cooking", inv:get_list("src"))
if not recipe then
meta:set_string("infotext", S("%s is empty"):format(machine_name))
technic.swap_node(pos, "technic:solar_furnace")
meta:set_string("formspec", formspec)
end
else
local percent = math.floor(meta:get_int("elapsed") / meta:get_int("cook_time") * 100)
if percent > 100 then
percent = 100
end
meta:set_string("infotext", S("%s is active"):format(machine_name).." ("..percent.."%)")
technic.swap_node(pos, "technic:solar_furnace_active")
meta:set_string("formspec",
"size[8,9]"..
"label[0,0;"..machine_name.."]"..
"image[2,2;1,1;technic_power_meter_bg.png^[lowpart:" .. percent .. ":technic_power_meter_fg.png]"..
"list[current_name;src;2,1;1,1;]"..
"list[current_name;dst;5,1;2,2;]"..
"list[current_player;main;0,5;8,4;]"..
"listring[current_name;dst]"..
"listring[current_player;main]"..
"listring[current_name;src]"..
"listring[current_player;main]")
return
meta:set_int("elapsed", meta:get_int("elapsed") + 1)
end
else
meta:set_int("elapsed", 0)
meta:set_string("infotext", S("%s is empty"):format(machine_name))
technic.swap_node(pos, "technic:solar_furnace")
meta:set_string("formspec", formspec)
end
else
meta:set_int("elapsed", 0)
meta:set_string("infotext", S("%s cannot function\nMust be in full direct sunlight"):format(machine_name))
technic.swap_node(pos, "technic:solar_furnace")
meta:set_string("formspec", formspec)
end
end,
})
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