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https://github.com/minetest-mods/technic.git
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Added Forcefield generator by ShadowNinja
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technic/forcefield.lua
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213
technic/forcefield.lua
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--Forcefield mod by ShadowNinja
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local forcefield_emitter_buffer_size = 10000
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local forcefield_emitter_power_consumption = 1
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local forcefield_update_interval = 1
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minetest.register_craft({
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output = 'technic:forcefield_emitter_off',
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recipe = {
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{'default:mese', 'technic:deployer_off', 'default:mese' },
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{'technic:deployer_off', 'technic:motor', 'technic:deployer_off'},
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{'default:mese', 'technic:deployer_off', 'default:mese' },
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}
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})
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local function get_forcefield_count(range)
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local count = 0
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for x=-range,range do
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for y=0,range do
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for z=-range,range do
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if ((x*x+y*y+z*z) <= (range * range + range)) then
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if (y == 0) or ((range-1) * (range-1) + (range-1) <= x*x+y*y+z*z) then
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count = count + 1
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end
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end
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end
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end
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end
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return count
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end
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local function add_forcefield(pos, range)
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for x=-range,range do
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for y=-range,range do
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for z=-range,range do
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if ((x*x+y*y+z*z) <= (range * range + range)) then
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if ((range-1) * (range-1) + (range-1) <= x*x+y*y+z*z) then
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local np={x=pos.x+x,y=pos.y+y,z=pos.z+z}
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local n = minetest.env:get_node(np).name
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if (n == "air") then
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minetest.env:add_node(np, {name = "technic:forcefield"})
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end
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end
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end
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end
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end
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end
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return true
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end
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local function remove_forcefield(p, range)
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for x=-range,range do
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for y=-range,range do
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for z=-range,range do
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if ((x*x+y*y+z*z) <= (range * range + range)) then
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if ((range-1) * (range-1) + (range-1) <= x*x+y*y+z*z) then
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local np={x=p.x+x,y=p.y+y,z=p.z+z}
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local n = minetest.env:get_node(np).name
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if (n == "technic:forcefield") then
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minetest.env:remove_node(np)
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end
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end
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end
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end
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end
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end
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end
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forcefield_receive_fields = function(pos, formname, fields, sender)
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local meta = minetest.env:get_meta(pos)
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local range = meta:get_int("range")
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if fields.add then range = range + 1 end
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if fields.subtract then range = range - 1 end
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if range <= 20 and range >= 0 and meta:get_int("range") ~= range then
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remove_forcefield(pos, meta:get_int("range"))
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meta:set_int("range", range)
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local buffer = meta:get_float("internal_EU_buffer")
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local buffer_size = meta:get_float("internal_EU_buffer_size")
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local load = math.floor(buffer / buffer_size * 100)
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meta:set_string("formspec", get_forcefield_formspec(range, 0))
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end
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end
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function get_forcefield_formspec(range, load)
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if not load then load = 0 end
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return "invsize[8,9;]"..
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"label[0,0;Forcefield emitter]"..
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"label[1,3;Power level]"..
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"image[1,1;1,2;technic_power_meter_bg.png^[lowpart:"..
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load..":technic_power_meter_fg.png]"..
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"label[4,1;Range]"..
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"label[4,2;"..range.."]"..
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"button[3,2;1,1;add;+]"..
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"button[5,2;1,1;subtract;-]"..
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"list[current_player;main;0,5;8,4;]"
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end
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local function forcefield_check(pos)
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local meta = minetest.env:get_meta(pos)
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local node = minetest.env:get_node(pos)
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local internal_EU_buffer=meta:get_float("internal_EU_buffer")
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local internal_EU_buffer_size=meta:get_float("internal_EU_buffer_size")
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local load = math.floor(internal_EU_buffer/internal_EU_buffer_size * 100)
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meta:set_string("formspec", get_forcefield_formspec(meta:get_int("range"), load))
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local power_requirement = get_forcefield_count(meta:get_int("range")) * forcefield_emitter_power_consumption
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if meta:get_int("mesecons_powered") == 0 and internal_EU_buffer >= power_requirement then
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if node.name == "technic:forcefield_emitter_off" then
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hacky_swap_node(pos, "technic:forcefield_emitter_on")
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minetest.env:get_node_timer(pos):start(forcefield_update_interval)
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end
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internal_EU_buffer=internal_EU_buffer-power_requirement;
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meta:set_float("internal_EU_buffer", internal_EU_buffer)
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add_forcefield(pos, meta:get_int("range"))
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else
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remove_forcefield(pos, meta:get_int("range"))
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if node.name == "technic:forcefield_emitter_on" then
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hacky_swap_node(pos, "technic:forcefield_emitter_off")
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minetest.env:get_node_timer(pos):start(forcefield_update_interval)
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end
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end
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return true
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end
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minetest.register_node("technic:forcefield_emitter_off", {
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description = "Forcefield emitter",
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inventory_image = minetest.inventorycube("technic_forcefield_emitter_off.png"),
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tiles = {"technic_forcefield_emitter_off.png"},
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is_ground_content = true,
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groups = {cracky = 1},
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technic_power_machine=1,
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on_timer = forcefield_check,
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on_receive_fields = forcefield_receive_fields,
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on_construct = function(pos)
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minetest.env:get_node_timer(pos):start(forcefield_update_interval)
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local meta = minetest.env:get_meta(pos)
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meta:set_float("technic_power_machine", 1)
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meta:set_float("internal_EU_buffer", 0)
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meta:set_float("internal_EU_buffer_size", forcefield_emitter_buffer_size)
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meta:set_int("range", 10)
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meta:set_int("mesecons_powered", 0)
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meta:set_string("formspec", get_forcefield_formspec(meta:get_int("range", 0)))
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meta:set_string("infotext", "Forcefield emitter");
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end,
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mesecons = {effector = {
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action_on = function (pos, node)
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minetest.env:get_meta(pos):set_int("mesecons_powered", 1)
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end,
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action_off = function(pos, node)
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minetest.env:get_meta(pos):set_int("mesecons_powered", 0)
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end
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}}
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})
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minetest.register_node("technic:forcefield_emitter_on", {
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description = "Forcefield emitter on (you hacker you)",
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tiles = {"technic_forcefield_emitter_on.png"},
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is_ground_content = true,
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groups = {cracky = 1, not_in_creative_inventory=1},
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drop='"technic:forcefield_emitter_off" 1',
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on_timer = forcefield_check,
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on_receive_fields = forcefield_receive_fields,
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on_construct = function(pos)
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minetest.env:get_node_timer(pos):start(forcefield_update_interval)
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local meta = minetest.env:get_meta(pos)
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meta:set_float("technic_power_machine", 1)
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meta:set_float("internal_EU_buffer", 0)
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meta:set_float("internal_EU_buffer_size", forcefield_emitter_buffer_size)
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meta:set_int("range", 10)
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meta:set_int("mesecons_powered", 0)
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meta:set_string("formspec", get_forcefield_formspec(meta:get_int("range"), 0))
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meta:set_string("infotext", "Forcefield emitter");
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end,
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on_dig = function(pos, node, digger)
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remove_forcefield(pos, minetest.env:get_meta(pos):get_int("range"))
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return minetest.node_dig(pos, node, digger)
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end,
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technic_power_machine=1,
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mesecons = {effector = {
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action_on = function(pos, node)
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minetest.env:get_meta(pos):set_int("mesecons_powered", 1)
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end,
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action_off = function(pos, node)
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minetest.env:get_meta(pos):set_int("mesecons_powered", 0)
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end
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}}
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})
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minetest.register_node("technic:forcefield", {
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description = "Forcefield (you hacker you)",
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sunlight_propagates = true,
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drop = '',
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tiles = {{name="technic_forcefield_animated.png", animation={type="vertical_frames", aspect_w=16, aspect_h=16, length=2.0}}},
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is_ground_content = true,
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groups = {not_in_creative_inventory=1, unbreakable=1},
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paramtype = "light",
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drawtype = "nodebox",
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node_box = { --hacky way to get the field blue and not see through the ground
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type = "fixed",
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fixed={
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{-.5,-.5,-.5,.5,.5,.5},
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},
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},
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})
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register_MV_machine ("technic:forcefield_emitter_on","RE")
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register_MV_machine ("technic:forcefield_emitter_off","RE")
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@ -43,6 +43,7 @@ dofile(modpath.."/battery_box_mv.lua")
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dofile(modpath.."/solar_panel_mv.lua")
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dofile(modpath.."/electric_furnace_mv.lua")
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dofile(modpath.."/alloy_furnace_mv.lua")
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dofile(modpath.."/forcefield.lua")
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--Tools
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if enable_mining_drill==true then dofile(modpath.."/mining_drill.lua") end
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BIN
technic/textures/technic_forcefield_animated.png
Normal file
BIN
technic/textures/technic_forcefield_animated.png
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Binary file not shown.
After Width: | Height: | Size: 3.2 KiB |
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technic/textures/technic_forcefield_emitter_off.png
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technic/textures/technic_forcefield_emitter_off.png
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Binary file not shown.
After Width: | Height: | Size: 204 B |
BIN
technic/textures/technic_forcefield_emitter_on.png
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technic/textures/technic_forcefield_emitter_on.png
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Binary file not shown.
After Width: | Height: | Size: 204 B |
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