246 lines
8.5 KiB
Lua
246 lines
8.5 KiB
Lua
-- The enriched uranium rod driven EU generator.
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-- A very large and advanced machine providing vast amounts of power.
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-- Very efficient but also expensive to run as it needs uranium. (10000EU 86400 ticks (24h))
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-- Provides HV EUs that can be down converted as needed.
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--
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-- The nuclear reactor core needs water and a protective shield to work.
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-- This is checked now and then and if the machine is tampered with... BOOM!
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local burn_ticks = 24*60 -- [minutes]. How many minutes does the power plant burn per serving?
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local power_supply = 10000 -- [HV] EUs
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local fuel_type = "technic:enriched_uranium" -- The reactor burns this stuff
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-- FIXME: recipe must make more sense like a rod recepticle, steam chamber, HV generator?
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minetest.register_craft({
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output = 'technic:hv_nuclear_reactor_core',
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recipe = {
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{'technic:stainless_steel_ingot', 'technic:stainless_steel_ingot', 'technic:stainless_steel_ingot'},
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{'technic:stainless_steel_ingot', '', 'technic:stainless_steel_ingot'},
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{'technic:stainless_steel_ingot', 'technic:hv_cable', 'technic:stainless_steel_ingot'},
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}
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})
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minetest.register_craftitem("technic:hv_nuclear_reactor_core",{
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description = "Uranium Rod Driven HV Reactor",
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stack_max = 1,
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})
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local generator_formspec =
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"invsize[8,9;]"..
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--"image[0,0;5,5;technic_generator_menu.png]"..
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"label[0,0;Nuclear Reactor Rod Compartment]"..
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"list[current_name;src;2,1;3,2;]"..
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"list[current_player;main;0,5;8,4;]"
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-- "Boxy sphere"
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local nodebox = {
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{ -0.353, -0.353, -0.353, 0.353, 0.353, 0.353 }, -- Box
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{ -0.495, -0.064, -0.064, 0.495, 0.064, 0.064 }, -- Circle +-x
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{ -0.483, -0.128, -0.128, 0.483, 0.128, 0.128 },
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{ -0.462, -0.191, -0.191, 0.462, 0.191, 0.191 },
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{ -0.433, -0.249, -0.249, 0.433, 0.249, 0.249 },
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{ -0.397, -0.303, -0.303, 0.397, 0.303, 0.303 },
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{ -0.305, -0.396, -0.305, 0.305, 0.396, 0.305 }, -- Circle +-y
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{ -0.250, -0.432, -0.250, 0.250, 0.432, 0.250 },
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{ -0.191, -0.461, -0.191, 0.191, 0.461, 0.191 },
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{ -0.130, -0.482, -0.130, 0.130, 0.482, 0.130 },
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{ -0.066, -0.495, -0.066, 0.066, 0.495, 0.066 },
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{ -0.064, -0.064, -0.495, 0.064, 0.064, 0.495 }, -- Circle +-z
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{ -0.128, -0.128, -0.483, 0.128, 0.128, 0.483 },
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{ -0.191, -0.191, -0.462, 0.191, 0.191, 0.462 },
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{ -0.249, -0.249, -0.433, 0.249, 0.249, 0.433 },
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{ -0.303, -0.303, -0.397, 0.303, 0.303, 0.397 },
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}
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minetest.register_node("technic:hv_nuclear_reactor_core", {
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description = "Nuclear Reactor",
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tiles = {"technic_hv_nuclear_reactor_core.png", "technic_hv_nuclear_reactor_core.png",
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"technic_hv_nuclear_reactor_core.png", "technic_hv_nuclear_reactor_core.png",
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"technic_hv_nuclear_reactor_core.png", "technic_hv_nuclear_reactor_core.png"},
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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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drawtype="nodebox",
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paramtype = "light",
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node_box = {
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type = "fixed",
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fixed = nodebox
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},
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on_construct = function(pos)
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local meta = minetest.env:get_meta(pos)
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meta:set_string("infotext", "Nuclear Reactor Core")
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meta:set_float("technic_hv_power_machine", 1)
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meta:set_int("HV_EU_supply", 0)
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meta:set_int("HV_EU_from_fuel", 1) -- Signal to the switching station that this device burns some sort of fuel and needs special handling
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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", 6)
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end,
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can_dig = function(pos,player)
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local meta = minetest.env: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(), "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:hv_nuclear_reactor_core_active", {
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description = "Uranium Rod Driven HV Reactor",
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tiles = {"technic_hv_nuclear_reactor_core.png", "technic_hv_nuclear_reactor_core.png",
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"technic_hv_nuclear_reactor_core.png", "technic_hv_nuclear_reactor_core.png",
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"technic_hv_nuclear_reactor_core.png", "technic_hv_nuclear_reactor_core.png"},
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groups = {snappy=2, choppy=2, oddly_breakable_by_hand=2, 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:hv_nuclear_reactor_core",
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drawtype="nodebox",
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light_source = 15,
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paramtype = "light",
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node_box = {
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type = "fixed",
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fixed = nodebox
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},
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can_dig = function(pos,player)
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local meta = minetest.env: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(), "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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local check_reactor_structure = function(pos)
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-- The reactor consists of an 11x11x11 cube structure
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-- A cross section through the middle:
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-- CCCCC CCCCC
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-- CCCCC CCCCC
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-- CCSSS SSSCC
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-- CCSCC CCSCC
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-- CCSCWWWCSCC
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-- CCSCW#WCSCC
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-- CCSCW|WCSCC
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-- CCSCC|CCSCC
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-- CCSSS|SSSCC
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-- CCCCC|CCCCC
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-- C = Concrete, S = Stainless Steel, W = water node (not floating), #=reactor core, |=HV cable
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-- The man-hole and the HV cable is only in the middle
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-- The man-hole is optional
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local source_water_nodes = minetest.find_nodes_in_area(
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{x=pos.x-1, y=pos.y-1, z=pos.z-1},
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{x=pos.x+1, y=pos.y+1, z=pos.z+1},
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"default:water_source")
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local flowing_water_nodes = minetest.find_nodes_in_area(
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{x=pos.x-1, y=pos.y-1, z=pos.z-1},
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{x=pos.x+1, y=pos.y+1, z=pos.z+1},
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"default:water_flowing")
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if not ((#source_water_nodes + #flowing_water_nodes) >= 25) then
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return false
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end
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local inner_shield_nodes = minetest.find_nodes_in_area(
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{x=pos.x-2, y=pos.y-2, z=pos.z-2},
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{x=pos.x+2, y=pos.y+2, z=pos.z+2},
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"technic:concrete")
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if not (#inner_shield_nodes >= 96) then
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return false
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end
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local steel_shield_nodes = minetest.find_nodes_in_area(
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{x=pos.x-3, y=pos.y-3, z=pos.z-3},
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{x=pos.x+3, y=pos.y+3, z=pos.z+3},
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"default:steelblock")
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if not (#steel_shield_nodes >= 216) then
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return false
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end
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local outer_shield_nodes = minetest.find_nodes_in_area(
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{x=pos.x-5, y=pos.y-5, z=pos.z-5},
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{x=pos.x+5, y=pos.y+5, z=pos.z+5},
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"technic:concrete")
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if not (#outer_shield_nodes >= (984 + #inner_shield_nodes)) then
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return false
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end
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return true
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end
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local explode_reactor = function(pos)
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print("BOOM A reactor exploded!")
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end
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minetest.register_abm({
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nodenames = {"technic:hv_nuclear_reactor_core", "technic:hv_nuclear_reactor_core_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.env:get_meta(pos)
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local burn_time = meta:get_int("burn_time")
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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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if not check_reactor_structure(pos) then
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explode_reactor(pos)
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end
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if meta:get_int("HV_EU_supply") == 0 then
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-- We did not use the power
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meta:set_int("HV_EU_supply", power_supply)
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else
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burn_time = burn_time - 1
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meta:set_int("burn_time", burn_time)
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local percent = math.floor(burn_time / (burn_ticks * 60) * 100)
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meta:set_string("infotext", "Nuclear Reactor Core ("..percent.."%)")
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end
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end
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-- Burn another piece of coal
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if burn_time <= 0 then
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local inv = meta:get_inventory()
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local correct_fuel_count = 0
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if not inv:is_empty("src") then
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local srclist = inv:get_list("src")
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for _, srcstack in pairs(srclist) do
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if srcstack then
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local src_item=srcstack:to_table()
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if src_item and src_item["name"] == fuel_type then
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correct_fuel_count = correct_fuel_count + 1
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end
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end
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end
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-- Check that the reactor is complete as well as the correct number of correct fuel
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if correct_fuel_count == 6 then
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if not check_reactor_structure(pos) then
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burn_time = burn_ticks * 60
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meta:set_int("burn_time", burn_time)
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hacky_swap_node (pos,"technic:hv_nuclear_reactor_core_active")
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meta:set_int("HV_EU_supply", power_supply)
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for idx, srcstack in pairs(srclist) do
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srcstack:take_item()
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inv:set_stack("src", idx, srcstack)
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end
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end
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else
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meta:set_int("HV_EU_supply", 0)
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end
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end
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end
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-- Nothing left to burn
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if burn_time == 0 then
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meta:set_string("infotext", "Nuclear Reactor Core (idle)")
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hacky_swap_node(pos,"technic:hv_nuclear_reactor_core")
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end
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end
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})
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technic.register_HV_machine ("technic:hv_nuclear_reactor_core","PR")
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technic.register_HV_machine ("technic:hv_nuclear_reactor_core_active","PR")
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