Add LV led and lamp

modpack.conf

@@ -1 +1,3 @@
 name = technic
+description = technic
+min_minetest_version = 5.0

technic/machines/LV/init.lua

@@ -22,3 +22,6 @@ dofile(path.."/extractor.lua")
 dofile(path.."/compressor.lua")
 
 dofile(path.."/music_player.lua")
+-- NEW LV LAMPS
+dofile(path.."/led.lua")
+dofile(path.."/lamp.lua")

technic/machines/LV/lamp.lua

@@ -0,0 +1,171 @@
+
+-- LV Lamp
+-- Illuminates a 7x7x3(H) volume below itself with light bright as the sun.
+
+
+local S = technic.getter
+
+local desc = S("@1 Lamp", S("LV"))
+local active_desc = S("@1 Active", desc)
+local unpowered_desc = S("@1 Unpowered", desc)
+local off_desc = S("@1 Off", desc)
+local demand = 50
+
+
+-- Invisible light source node used for illumination
+minetest.register_node("technic:dummy_light_source", {
+	description = S("Dummy light source node"),
+	inventory_image = "technic_dummy_light_source.png",
+	wield_image = "technic_dummy_light_source.png",
+	paramtype = "light",
+	drawtype = "airlike",
+	light_source = 14,
+	sunlight_propagates = true,
+	walkable = false,
+	buildable_to = true,
+	diggable = false,
+	pointable = false,
+	--drop = "",  -- Intentionally allowed to drop itself
+	groups = {not_in_creative_inventory = 1}
+})
+
+
+local function illuminate(pos, active)
+	local pos1 = {x = pos.x - 3, y = pos.y - 1, z = pos.z - 3}
+	local pos2 = {x = pos.x + 3, y = pos.y - 3, z = pos.z + 3}
+
+	local find_node = active and "air" or "technic:dummy_light_source"
+	local set_node = {name = (active and "technic:dummy_light_source" or "air")}
+
+	for _,p in pairs(minetest.find_nodes_in_area(pos1, pos2, find_node)) do
+		minetest.set_node(p, set_node)
+	end
+end
+
+local function lamp_run(pos, node)
+	local meta = minetest.get_meta(pos)
+
+	if meta:get_int("LV_EU_demand") == 0 then
+		return  -- Lamp is turned off
+	end
+
+	local eu_input = meta:get_int("LV_EU_input")
+
+	if node.name == "technic:lv_lamp_active" then
+		if eu_input < demand then
+			technic.swap_node(pos, "technic:lv_lamp")
+			meta:set_string("infotext", unpowered_desc)
+			illuminate(pos, false)
+		else
+			illuminate(pos, true)
+		end
+	elseif node.name == "technic:lv_lamp" then
+		if eu_input >= demand then
+			technic.swap_node(pos, "technic:lv_lamp_active")
+			meta:set_string("infotext", active_desc)
+			illuminate(pos, true)
+		end
+	end
+end
+
+local function lamp_toggle(pos, node, player)
+	if not player or minetest.is_protected(pos, player:get_player_name()) then
+		return
+	end
+	local meta = minetest.get_meta(pos)
+	if meta:get_int("LV_EU_demand") == 0 then
+		meta:set_string("infotext", active_desc)
+		meta:set_int("LV_EU_demand", demand)
+	else
+		illuminate(pos, false)
+		technic.swap_node(pos, "technic:lv_lamp")
+		meta:set_string("infotext", off_desc)
+		meta:set_int("LV_EU_demand", 0)
+	end
+end
+
+minetest.register_node("technic:lv_lamp", {
+	description = desc,
+	drawtype = "nodebox",
+	node_box = {
+		type = "fixed",
+		fixed = {0.5,0.5,0.5,-0.5,-0.2,-0.5}
+	},
+	collision_box = {
+		type = "fixed",
+		fixed = {0.5,0.5,0.5,-0.5,-0.2,-0.5}
+	},
+	selection_box = {
+		type = "fixed",
+		fixed = {0.5,0.5,0.5,-0.5,-0.2,-0.5}
+	},
+	tiles = {
+		"technic_lv_lamp_top.png",
+		"technic_lv_lamp_bottom.png",
+		"technic_lv_lamp_side.png",
+		"technic_lv_lamp_side.png",
+		"technic_lv_lamp_side.png",
+		"technic_lv_lamp_side.png"
+	},
+	groups = {cracky = 2, technic_machine = 1, technic_lv = 1},
+	connect_sides = {"front", "back", "left", "right", "top"},
+	can_dig = technic.machine_can_dig,
+	technic_run = lamp_run,
+	on_construct = function(pos)
+		local meta = minetest.get_meta(pos)
+		meta:set_string("infotext", desc)
+		meta:set_int("LV_EU_demand", demand)
+	end,
+	on_destruct = illuminate,
+	on_rightclick = lamp_toggle
+})
+
+minetest.register_node("technic:lv_lamp_active", {
+	description = active_desc,
+	drawtype = "nodebox",
+	node_box = {
+		type = "fixed",
+		fixed = {0.5, 0.5, 0.5, -0.5, -0.2, -0.5}
+	},
+	collision_box = {
+		type = "fixed",
+		fixed = {0.5, 0.5, 0.5, -0.5, -0.2, -0.5}
+	},
+	selection_box = {
+		type = "fixed",
+		fixed = {0.5, 0.5, 0.5, -0.5, -0.2, -0.5}
+	},
+	tiles = {
+		"technic_lv_lamp_top.png",
+		"technic_lv_lamp_bottom.png",
+		"technic_lv_lamp_side.png",
+		"technic_lv_lamp_side.png",
+		"technic_lv_lamp_side.png",
+		"technic_lv_lamp_side.png"
+	},
+	paramtype = "light",
+	light_source = 14,
+	drop = "technic:lv_lamp",
+	groups = {cracky = 2, technic_machine = 1, technic_lv = 1, not_in_creative_inventory = 1},
+	connect_sides = {"front", "back", "left", "right", "top"},
+	can_dig = technic.machine_can_dig,
+	technic_run = lamp_run,
+	technic_on_disable = function(pos)
+		illuminate(pos, false)
+		technic.swap_node(pos, "technic:lv_lamp")
+	end,
+	on_destruct = illuminate,
+	on_rightclick = lamp_toggle,
+})
+
+technic.register_machine("LV", "technic:lv_lamp", technic.receiver)
+technic.register_machine("LV", "technic:lv_lamp_active", technic.receiver)
+
+minetest.register_craft({
+	output = "technic:lv_lamp",
+	recipe = {
+		{"default:glass", "default:glass", "default:glass"},
+		{"technic:lv_led", "technic:lv_led", "technic:lv_led"},
+		{"mesecons_materials:glue", "technic:lv_cable", "mesecons_materials:glue"},
+	}
+})

technic/machines/LV/led.lua

@@ -0,0 +1,108 @@
+-- LED
+-- Intended primarily as a core component for LED lamps.
+
+local S = technic.getter
+
+local desc = S("@1 LED", S("LV"))
+local active_desc = S("@1 Active", desc)
+local unpowered_desc = S("@1 Unpowered", desc)
+local demand = 5
+
+
+local function led_run(pos, node)
+	local meta = minetest.get_meta(pos)
+	local eu_input = meta:get_int("LV_EU_input")
+
+	if eu_input < demand and node.name == "technic:lv_led_active" then
+		technic.swap_node(pos, "technic:lv_led")
+		meta:set_string("infotext", unpowered_desc)
+	elseif eu_input >= demand and node.name == "technic:lv_led" then
+		technic.swap_node(pos, "technic:lv_led_active")
+		meta:set_string("infotext", active_desc)
+	end
+end
+
+minetest.register_node("technic:lv_led", {
+	description = desc,
+	drawtype = "nodebox",
+	node_box = {
+		type = "fixed",
+		fixed = {0.5, 0.5, 0.5, -0.5, 0.3, -0.5}
+	},
+	collision_box = {
+		type = "fixed",
+		fixed = {0.5, 0.5, 0.5, -0.5, 0.3, -0.5}
+	},
+	selection_box = {
+		type = "fixed",
+		fixed = {0.5, 0.5, 0.5, -0.5, 0.3, -0.5}
+	},
+	tiles = {
+		"technic_lv_led_top.png",
+		"technic_lv_led.png",
+		"technic_lv_led_side.png",
+		"technic_lv_led_side2.png",
+		"technic_lv_led_side2.png",
+		"technic_lv_led_side2.png",
+	},
+	inventory_image = "technic_lv_led_inv.png",
+	sunlight_propagates = true,
+	groups = {cracky = 2, technic_machine = 1, technic_lv = 1},
+	connect_sides = {"front", "back", "left", "right", "top", "bottom"},
+	can_dig = technic.machine_can_dig,
+	technic_run = led_run,
+	on_construct = function(pos)
+		local meta = minetest.get_meta(pos)
+		meta:set_string("infotext", desc)
+		meta:set_int("LV_EU_demand", demand)
+	end,
+})
+
+minetest.register_node("technic:lv_led_active", {
+	description = active_desc,
+	drawtype = "nodebox",
+	node_box = {
+		type = "fixed",
+		fixed = {0.5, 0.5, 0.5, -0.5, 0.3, -0.5}
+	},
+	collision_box = {
+		type = "fixed",
+		fixed = {0.5, 0.5, 0.5, -0.5, 0.3, -0.5}
+	},
+	selection_box = {
+		type = "fixed",
+		fixed = {0.5, 0.5, 0.5, -0.5, 0.3, -0.5}
+	},
+	tiles = {
+		"technic_lv_led_top.png",
+		"technic_lv_led.png",
+		"technic_lv_led_side.png",
+		"technic_lv_led_side2.png",
+		"technic_lv_led_side2.png",
+		"technic_lv_led_side2.png",
+	},
+	inventory_image = "technic_lv_led_inv.png",
+	paramtype = "light",
+	light_source = 9,
+	drop = "technic:lv_led",
+	sunlight_propagates = true,
+	groups = {cracky = 2, technic_machine = 1, technic_lv = 1, not_in_creative_inventory = 1},
+	connect_sides = {"front", "back", "left", "right", "top", "bottom"},
+	can_dig = technic.machine_can_dig,
+	technic_run = led_run,
+	technic_on_disable = function(pos)
+		technic.swap_node(pos, "technic:lv_led")
+	end,
+})
+
+technic.register_machine("LV", "technic:lv_led", technic.receiver)
+technic.register_machine("LV", "technic:lv_led_active", technic.receiver)
+
+minetest.register_craft({
+	output = "technic:lv_led 2",
+	recipe = {
+		{"", "homedecor:plastic_sheeting", ""},
+		{"homedecor:plastic_sheeting", "technic:doped_silicon_wafer", "homedecor:plastic_sheeting"},
+		{"", "technic:fine_silver_wire", ""},
+	}
+})