260 lines
8.9 KiB
Lua
260 lines
8.9 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 = 7 * 24 * 60 * 60 -- (seconds).
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local power_supply = 100000 -- EUs
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local fuel_type = "technic:uranium_fuel" -- 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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local generator_formspec =
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"invsize[8,9;]"..
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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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stack_max = 1,
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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.get_meta(pos)
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meta:set_string("infotext", "Nuclear Reactor Core")
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meta:set_int("HV_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("HV_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", 6)
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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:hv_nuclear_reactor_core_active", {
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description = "HV Uranium 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.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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local check_reactor_structure = function(pos)
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-- The reactor consists of a 9x9x9 cube structure
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-- A cross section through the middle:
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-- CCCC CCCC
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-- CBBB BBBC
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-- CBSS SSBC
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-- CBSWWWSBC
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-- CBSW#WSBC
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-- CBSW|WSBC
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-- CBSS|SSBC
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-- CBBB|BBBC
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-- CCCC|CCCC
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-- C = Concrete, B = Blast resistant concrete, S = Stainless Steel,
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-- W = water node, # = 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 vm = VoxelManip()
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local pos1 = vector.subtract(pos, 4)
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local pos2 = vector.add(pos, 4)
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local MinEdge, MaxEdge = vm:read_from_map(pos1, pos2)
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local data = vm:get_data()
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local area = VoxelArea:new({MinEdge=MinEdge, MaxEdge=MaxEdge})
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local c_concrete = minetest.get_content_id("technic:concrete")
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local c_blast_concrete = minetest.get_content_id("technic:blast_resistant_concrete")
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local c_stainless_steel = minetest.get_content_id("technic:stainless_steel_block")
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local c_water_source = minetest.get_content_id("default:water_source")
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local c_water_flowing = minetest.get_content_id("default:water_flowing")
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local concretelayer, blastlayer, steellayer, waterlayer = 0, 0, 0, 0
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for z = pos1.z, pos2.z do
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for y = pos1.y, pos2.y do
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for x = pos1.x, pos2.x do
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-- If the position is in the outer layer
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if x == pos1.x or x == pos2.x or
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y == pos1.y or y == pos2.y or
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z == pos1.z or z == pos2.z then
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if data[area:index(x, y, z)] == c_concrete then
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concretelayer = concretelayer + 1
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end
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elseif x == pos1.x+1 or x == pos2.x-1 or
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y == pos1.y+1 or y == pos2.y-1 or
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z == pos1.z+1 or z == pos2.z-1 then
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if data[area:index(x, y, z)] == c_blast_concrete then
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blastlayer = blastlayer + 1
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end
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elseif x == pos1.x+2 or x == pos2.x-2 or
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y == pos1.y+2 or y == pos2.y-2 or
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z == pos1.z+2 or z == pos2.z-2 then
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if data[area:index(x, y, z)] == c_stainless_steel then
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steellayer = steellayer + 1
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end
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elseif x == pos1.x+3 or x == pos2.x-3 or
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y == pos1.y+3 or y == pos2.y-3 or
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z == pos1.z+3 or z == pos2.z-3 then
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local cid = data[area:index(x, y, z)]
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if cid == c_water_source or cid == c_water_flowing then
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waterlayer = waterlayer + 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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if waterlayer >= 25 and
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steellayer >= 96 and
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blastlayer >= 216 and
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concretelayer >= 384 then
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return true
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end
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end
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local explode_reactor = function(pos)
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print("A reactor exploded at "..minetest.pos_to_string(pos))
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end
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local function damage_nearby_players(pos)
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local objs = minetest.get_objects_inside_radius(pos, 4)
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for _, o in pairs(objs) do
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if o:is_player() then
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o:set_hp(math.max(o:get_hp() - 2, 0))
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end
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end
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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.get_meta(pos)
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local burn_time = meta:get_int("burn_time") or 0
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if burn_time >= burn_ticks or 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 srclist = inv:get_list("src")
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local correct_fuel_count = 0
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for _, srcstack in pairs(srclist) do
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if srcstack then
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if srcstack:get_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
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-- as the correct number of correct fuel
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if correct_fuel_count == 6 and
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check_reactor_structure(pos) then
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meta:set_int("burn_time", 1)
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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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return
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end
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end
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meta:set_int("HV_EU_supply", 0)
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meta:set_int("burn_time", 0)
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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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elseif burn_time > 0 then
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damage_nearby_players(pos)
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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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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 * 100)
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meta:set_string("infotext", "Nuclear Reactor Core ("..percent.."%)")
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meta:set_int("HV_EU_supply", power_supply)
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end
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end
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})
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technic.register_machine("HV", "technic:hv_nuclear_reactor_core", technic.producer)
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technic.register_machine("HV", "technic:hv_nuclear_reactor_core_active", technic.producer)
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