140 lines
4.6 KiB
Lua
140 lines
4.6 KiB
Lua
-- The electric generator.
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-- A simple device to get started on the electric machines.
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-- Inefficient and expensive in fuel (200EU per tick)
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-- Also only allows for LV machinery to run.
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minetest.register_alias("generator", "technic:generator")
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minetest.register_alias("generator", "technic:generator_active")
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minetest.register_craft({
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output = 'technic:generator',
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recipe = {
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{'default:stone', 'default:stone', 'default:stone'},
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{'default:stone', '', 'default:stone'},
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{'default:stone', 'default:copper_ingot', 'default:stone'},
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}
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})
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local generator_formspec =
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"invsize[8,9;]"..
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"label[0,0;Generator]"..
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"list[current_name;src;3,1;1,1;]"..
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"image[4,1;1,1;default_furnace_fire_bg.png]"..
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"list[current_player;main;0,5;8,4;]"
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minetest.register_node("technic:generator", {
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description = "Electric Generator",
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tiles = {"technic_generator_top.png", "technic_machine_bottom.png", "technic_generator_side.png",
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"technic_generator_side.png", "technic_generator_side.png", "technic_generator_front.png"},
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paramtype2 = "facedir",
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groups = {snappy=2, choppy=2, oddly_breakable_by_hand=2},
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legacy_facedir_simple = true,
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sounds = default.node_sound_wood_defaults(),
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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("infotext", "Electric Generator")
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meta:set_int("LV_EU_supply", 0)
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-- Signal to the switching station that this device burns some
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-- sort of fuel and needs special handling
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meta:set_int("LV_EU_from_fuel", 1)
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meta:set_int("burn_time", 0)
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meta:set_string("formspec", generator_formspec)
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local inv = meta:get_inventory()
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inv:set_size("src", 1)
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end,
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can_dig = function(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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if not inv:is_empty("src") then
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minetest.chat_send_player(player:get_player_name(),
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"Machine cannot be removed because it is not empty");
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return false
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else
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return true
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end
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end,
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})
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minetest.register_node("technic:generator_active", {
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description = "Electric Generator",
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tiles = {"technic_generator_top.png", "technic_machine_bottom.png",
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"technic_generator_side.png", "technic_generator_side.png",
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"technic_generator_side.png", "technic_generator_front_active.png"},
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paramtype2 = "facedir",
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groups = {snappy=2, choppy=2, oddly_breakable_by_hand=2,
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not_in_creative_inventory=1},
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legacy_facedir_simple = true,
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sounds = default.node_sound_wood_defaults(),
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drop = "technic:generator",
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can_dig = function(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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if not inv:is_empty("src") then
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minetest.chat_send_player(player:get_player_name(),
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"Machine cannot be removed because it is not empty");
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return false
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else
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return true
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end
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end,
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})
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minetest.register_abm({
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nodenames = {"technic:generator", "technic:generator_active"},
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interval = 1,
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chance = 1,
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action = function(pos, node, active_object_count, active_object_count_wider)
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local meta = minetest.get_meta(pos)
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local burn_time = meta:get_int("burn_time")
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local burn_totaltime = meta:get_int("burn_totaltime")
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-- If more to burn and the energy produced was used: produce some more
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if burn_time > 0 then
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meta:set_int("LV_EU_supply", 200) -- Give 200EUs
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burn_time = burn_time - 1
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meta:set_int("burn_time", burn_time)
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end
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-- Burn another piece of fuel
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if burn_time == 0 then
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local inv = meta:get_inventory()
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if not inv:is_empty("src") then
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local fuellist = inv:get_list("src")
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fuel = minetest.get_craft_result({method = "fuel", width = 1, items = fuellist})
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if not fuel or fuel.time == 0 then
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meta:set_string("infotext", "Generator out of fuel")
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hacky_swap_node(pos, "technic:generator")
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return
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end
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meta:set_int("burn_time", fuel.time)
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meta:set_int("burn_totaltime", fuel.time)
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local stack = inv:get_stack("src", 1)
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stack:take_item()
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inv:set_stack("src", 1, stack)
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hacky_swap_node(pos, "technic:generator_active")
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meta:set_int("LV_EU_supply", 200) -- Give 200EUs
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else
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hacky_swap_node(pos, "technic:generator")
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meta:set_int("LV_EU_supply", 0)
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end
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end
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local percent = math.floor((burn_time / burn_totaltime) * 100)
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meta:set_string("infotext", "Electric Generator ("..percent.."%)")
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meta:set_string("formspec",
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"size[8,9]"..
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"label[0,0;Generator]"..
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"list[current_name;src;3,1;1,1;]"..
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"image[4,1;1,1;default_furnace_fire_bg.png^[lowpart:"..
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(percent)..":default_furnace_fire_fg.png]"..
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"list[current_player;main;0,5;8,4;]")
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end
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})
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technic.register_machine("LV", "technic:generator", technic.producer)
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technic.register_machine("LV", "technic:generator_active", technic.producer)
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