commit | author | age
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d62371
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BW |
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-- LV Lamp |
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-- Illuminates a 7x7x3(H) volume below itself with light bright as the sun. |
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local S = technic.getter |
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local desc = S("@1 Lamp", S("LV")) |
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local active_desc = S("@1 Active", desc) |
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local unpowered_desc = S("@1 Unpowered", desc) |
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local off_desc = S("@1 Off", desc) |
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local demand = 50 |
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-- Invisible light source node used for illumination |
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minetest.register_node("technic:dummy_light_source", { |
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description = S("Dummy light source node"), |
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inventory_image = "technic_dummy_light_source.png", |
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wield_image = "technic_dummy_light_source.png", |
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paramtype = "light", |
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drawtype = "airlike", |
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light_source = 14, |
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sunlight_propagates = true, |
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walkable = false, |
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buildable_to = true, |
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diggable = false, |
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pointable = false, |
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--drop = "", -- Intentionally allowed to drop itself |
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groups = {not_in_creative_inventory = 1} |
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}) |
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local function illuminate(pos, active) |
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local pos1 = {x = pos.x - 3, y = pos.y - 1, z = pos.z - 3} |
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local pos2 = {x = pos.x + 3, y = pos.y - 3, z = pos.z + 3} |
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local find_node = active and "air" or "technic:dummy_light_source" |
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local set_node = {name = (active and "technic:dummy_light_source" or "air")} |
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for _,p in pairs(minetest.find_nodes_in_area(pos1, pos2, find_node)) do |
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minetest.set_node(p, set_node) |
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end |
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end |
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local function lamp_run(pos, node) |
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local meta = minetest.get_meta(pos) |
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if meta:get_int("LV_EU_demand") == 0 then |
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return -- Lamp is turned off |
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end |
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local eu_input = meta:get_int("LV_EU_input") |
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if node.name == "technic:lv_lamp_active" then |
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if eu_input < demand then |
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technic.swap_node(pos, "technic:lv_lamp") |
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meta:set_string("infotext", unpowered_desc) |
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illuminate(pos, false) |
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else |
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illuminate(pos, true) |
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end |
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elseif node.name == "technic:lv_lamp" then |
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if eu_input >= demand then |
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technic.swap_node(pos, "technic:lv_lamp_active") |
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meta:set_string("infotext", active_desc) |
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illuminate(pos, true) |
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end |
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end |
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end |
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local function lamp_toggle(pos, node, player) |
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if not player or minetest.is_protected(pos, player:get_player_name()) then |
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return |
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end |
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local meta = minetest.get_meta(pos) |
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if meta:get_int("LV_EU_demand") == 0 then |
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meta:set_string("infotext", active_desc) |
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meta:set_int("LV_EU_demand", demand) |
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else |
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illuminate(pos, false) |
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technic.swap_node(pos, "technic:lv_lamp") |
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meta:set_string("infotext", off_desc) |
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meta:set_int("LV_EU_demand", 0) |
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end |
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end |
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4775d9
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local common_fields = { |
d62371
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drawtype = "nodebox", |
BW |
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node_box = { |
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type = "fixed", |
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fixed = {0.5,0.5,0.5,-0.5,-0.2,-0.5} |
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}, |
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tiles = { |
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"technic_lv_lamp_top.png", |
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"technic_lv_lamp_bottom.png", |
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"technic_lv_lamp_side.png", |
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"technic_lv_lamp_side.png", |
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"technic_lv_lamp_side.png", |
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"technic_lv_lamp_side.png" |
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}, |
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connect_sides = {"front", "back", "left", "right", "top"}, |
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can_dig = technic.machine_can_dig, |
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technic_run = lamp_run, |
4775d9
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on_destruct = illuminate, |
S |
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on_rightclick = lamp_toggle |
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} |
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local ndef |
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ndef = { |
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description = desc, |
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groups = {cracky = 2, technic_machine = 1, technic_lv = 1}, |
d62371
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on_construct = function(pos) |
BW |
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local meta = minetest.get_meta(pos) |
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meta:set_string("infotext", desc) |
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meta:set_int("LV_EU_demand", demand) |
4775d9
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end |
S |
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} |
d62371
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4775d9
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for k, v in pairs(common_fields) do |
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ndef[k] = v |
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end |
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minetest.register_node("technic:lv_lamp", ndef) |
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ndef = { |
d62371
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description = active_desc, |
BW |
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paramtype = "light", |
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light_source = 14, |
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drop = "technic:lv_lamp", |
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groups = {cracky = 2, technic_machine = 1, technic_lv = 1, not_in_creative_inventory = 1}, |
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technic_on_disable = function(pos) |
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illuminate(pos, false) |
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technic.swap_node(pos, "technic:lv_lamp") |
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end, |
4775d9
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} |
S |
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for k, v in pairs(common_fields) do |
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ndef[k] = v |
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end |
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minetest.register_node("technic:lv_lamp_active", ndef) |
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d62371
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BW |
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technic.register_machine("LV", "technic:lv_lamp", technic.receiver) |
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technic.register_machine("LV", "technic:lv_lamp_active", technic.receiver) |
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minetest.register_craft({ |
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output = "technic:lv_lamp", |
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recipe = { |
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{"default:glass", "default:glass", "default:glass"}, |
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{"technic:lv_led", "technic:lv_led", "technic:lv_led"}, |
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{"mesecons_materials:glue", "technic:lv_cable", "mesecons_materials:glue"}, |
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} |
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}) |