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-- The enriched uranium rod driven EU generator.
-- A very large and advanced machine providing vast amounts of power.
-- Very efficient but also expensive to run as it needs uranium. (10000EU 86400 ticks (one week))
-- Provides HV EUs that can be down converted as needed.
--
-- The nuclear reactor core needs water and a protective shield to work.
-- This is checked now and then and if the machine is tampered with... BOOM!
local burn_ticks = 7 * 24 * 60 * 60 -- (seconds).
local power_supply = 100000 -- EUs
local fuel_type = "technic:uranium_fuel" -- The reactor burns this stuff
local S = technic.getter
-- FIXME: recipe must make more sense like a rod recepticle, steam chamber, HV generator?
minetest.register_craft({
output = 'technic:hv_nuclear_reactor_core',
recipe = {
{'technic:carbon_plate', 'default:obsidian_glass', 'technic:carbon_plate'},
{'technic:composite_plate', 'technic:machine_casing', 'technic:composite_plate'},
{'technic:stainless_steel_ingot', 'technic:hv_cable0', 'technic:stainless_steel_ingot'},
}
})
local generator_formspec =
"invsize[8,9;]"..
"label[0,0;"..S("Nuclear Reactor Rod Compartment").."]"..
"list[current_name;src;2,1;3,2;]"..
"list[current_player;main;0,5;8,4;]"
-- "Boxy sphere"
local nodebox = {
{ -0.353, -0.353, -0.353, 0.353, 0.353, 0.353 }, -- Box
{ -0.495, -0.064, -0.064, 0.495, 0.064, 0.064 }, -- Circle +-x
{ -0.483, -0.128, -0.128, 0.483, 0.128, 0.128 },
{ -0.462, -0.191, -0.191, 0.462, 0.191, 0.191 },
{ -0.433, -0.249, -0.249, 0.433, 0.249, 0.249 },
{ -0.397, -0.303, -0.303, 0.397, 0.303, 0.303 },
{ -0.305, -0.396, -0.305, 0.305, 0.396, 0.305 }, -- Circle +-y
{ -0.250, -0.432, -0.250, 0.250, 0.432, 0.250 },
{ -0.191, -0.461, -0.191, 0.191, 0.461, 0.191 },
{ -0.130, -0.482, -0.130, 0.130, 0.482, 0.130 },
{ -0.066, -0.495, -0.066, 0.066, 0.495, 0.066 },
{ -0.064, -0.064, -0.495, 0.064, 0.064, 0.495 }, -- Circle +-z
{ -0.128, -0.128, -0.483, 0.128, 0.128, 0.483 },
{ -0.191, -0.191, -0.462, 0.191, 0.191, 0.462 },
{ -0.249, -0.249, -0.433, 0.249, 0.249, 0.433 },
{ -0.303, -0.303, -0.397, 0.303, 0.303, 0.397 },
}
local check_reactor_structure = function(pos)
-- The reactor consists of a 9x9x9 cube structure
-- A cross section through the middle:
-- CCCC CCCC
-- CBBB BBBC
-- CBSS SSBC
-- CBSWWWSBC
-- CBSW#WSBC
-- CBSW|WSBC
-- CBSS|SSBC
-- CBBB|BBBC
-- CCCC|CCCC
-- C = Concrete, B = Blast resistant concrete, S = Stainless Steel,
-- W = water node, # = reactor core, | = HV cable
-- The man-hole and the HV cable is only in the middle
-- The man-hole is optional
local vm = VoxelManip()
local pos1 = vector.subtract(pos, 4)
local pos2 = vector.add(pos, 4)
local MinEdge, MaxEdge = vm:read_from_map(pos1, pos2)
local data = vm:get_data()
local area = VoxelArea:new({MinEdge=MinEdge, MaxEdge=MaxEdge})
local c_concrete = minetest.get_content_id("technic:concrete")
local c_blast_concrete = minetest.get_content_id("technic:blast_resistant_concrete")
local c_stainless_steel = minetest.get_content_id("technic:stainless_steel_block")
local c_water_source = minetest.get_content_id("default:water_source")
local c_water_flowing = minetest.get_content_id("default:water_flowing")
local concretelayer, blastlayer, steellayer, waterlayer = 0, 0, 0, 0
for z = pos1.z, pos2.z do
for y = pos1.y, pos2.y do
for x = pos1.x, pos2.x do
-- If the position is in the outer layer
if x == pos1.x or x == pos2.x or
y == pos1.y or y == pos2.y or
z == pos1.z or z == pos2.z then
if data[area:index(x, y, z)] == c_concrete then
concretelayer = concretelayer + 1
end
elseif x == pos1.x+1 or x == pos2.x-1 or
y == pos1.y+1 or y == pos2.y-1 or
z == pos1.z+1 or z == pos2.z-1 then
if data[area:index(x, y, z)] == c_blast_concrete then
blastlayer = blastlayer + 1
end
elseif x == pos1.x+2 or x == pos2.x-2 or
y == pos1.y+2 or y == pos2.y-2 or
z == pos1.z+2 or z == pos2.z-2 then
if data[area:index(x, y, z)] == c_stainless_steel then
steellayer = steellayer + 1
end
elseif x == pos1.x+3 or x == pos2.x-3 or
y == pos1.y+3 or y == pos2.y-3 or
z == pos1.z+3 or z == pos2.z-3 then
local cid = data[area:index(x, y, z)]
if cid == c_water_source or cid == c_water_flowing then
waterlayer = waterlayer + 1
end
end
end
end
end
if waterlayer >= 25 and
steellayer >= 96 and
blastlayer >= 216 and
concretelayer >= 384 then
return true
end
end
local explode_reactor = function(pos)
print("A reactor exploded at "..minetest.pos_to_string(pos))
end
local function damage_nearby_players(pos)
local objs = minetest.get_objects_inside_radius(pos, 4)
for _, o in pairs(objs) do
if o:is_player() then
o:set_hp(math.max(o:get_hp() - 2, 0))
end
end
end
local run = function(pos, node)
local meta = minetest.get_meta(pos)
local machine_name = S("Nuclear %s Generator Core"):format("HV")
local burn_time = meta:get_int("burn_time") or 0
if burn_time >= burn_ticks or burn_time == 0 then
local inv = meta:get_inventory()
if not inv:is_empty("src") then
local srclist = inv:get_list("src")
local correct_fuel_count = 0
for _, srcstack in pairs(srclist) do
if srcstack then
if srcstack:get_name() == fuel_type then
correct_fuel_count = correct_fuel_count + 1
end
end
end
-- Check that the reactor is complete as well
-- as the correct number of correct fuel
if correct_fuel_count == 6 and
check_reactor_structure(pos) then
meta:set_int("burn_time", 1)
technic.swap_node(pos, "technic:hv_nuclear_reactor_core_active")
meta:set_int("HV_EU_supply", power_supply)
for idx, srcstack in pairs(srclist) do
srcstack:take_item()
inv:set_stack("src", idx, srcstack)
end
return
end
end
meta:set_int("HV_EU_supply", 0)
meta:set_int("burn_time", 0)
meta:set_string("infotext", S("%s Idle"):format(machine_name))
technic.swap_node(pos, "technic:hv_nuclear_reactor_core")
elseif burn_time > 0 then
damage_nearby_players(pos)
if not check_reactor_structure(pos) then
explode_reactor(pos)
end
burn_time = burn_time + 1
meta:set_int("burn_time", burn_time)
local percent = math.floor(burn_time / burn_ticks * 100)
meta:set_string("infotext", machine_name.." ("..percent.."%)")
meta:set_int("HV_EU_supply", power_supply)
end
end
minetest.register_node("technic:hv_nuclear_reactor_core", {
description = S("Nuclear %s Generator Core"):format("HV"),
tiles = {"technic_hv_nuclear_reactor_core.png", "technic_hv_nuclear_reactor_core.png",
"technic_hv_nuclear_reactor_core.png", "technic_hv_nuclear_reactor_core.png",
"technic_hv_nuclear_reactor_core.png", "technic_hv_nuclear_reactor_core.png"},
groups = {snappy=2, choppy=2, oddly_breakable_by_hand=2, technic_machine=1},
legacy_facedir_simple = true,
sounds = default.node_sound_wood_defaults(),
drawtype="nodebox",
paramtype = "light",
stack_max = 1,
node_box = {
type = "fixed",
fixed = nodebox
},
on_construct = function(pos)
local meta = minetest.get_meta(pos)
meta:set_string("infotext", S("Nuclear %s Generator Core"):format("HV"))
meta:set_int("HV_EU_supply", 0)
-- Signal to the switching station that this device burns some
-- sort of fuel and needs special handling
meta:set_int("HV_EU_from_fuel", 1)
meta:set_int("burn_time", 0)
meta:set_string("formspec", generator_formspec)
local inv = meta:get_inventory()
inv:set_size("src", 6)
end,
can_dig = technic.machine_can_dig,
allow_metadata_inventory_put = technic.machine_inventory_put,
allow_metadata_inventory_take = technic.machine_inventory_take,
allow_metadata_inventory_move = technic.machine_inventory_move,
technic_run = run,
})
minetest.register_node("technic:hv_nuclear_reactor_core_active", {
tiles = {"technic_hv_nuclear_reactor_core.png", "technic_hv_nuclear_reactor_core.png",
"technic_hv_nuclear_reactor_core.png", "technic_hv_nuclear_reactor_core.png",
"technic_hv_nuclear_reactor_core.png", "technic_hv_nuclear_reactor_core.png"},
groups = {snappy=2, choppy=2, oddly_breakable_by_hand=2, technic_machine=1, not_in_creative_inventory=1},
legacy_facedir_simple = true,
sounds = default.node_sound_wood_defaults(),
drop="technic:hv_nuclear_reactor_core",
drawtype="nodebox",
light_source = 15,
paramtype = "light",
node_box = {
type = "fixed",
fixed = nodebox
},
can_dig = technic.machine_can_dig,
allow_metadata_inventory_put = technic.machine_inventory_put,
allow_metadata_inventory_take = technic.machine_inventory_take,
allow_metadata_inventory_move = technic.machine_inventory_move,
technic_run = run,
technic_disabled_machine_name = "technic:hv_nuclear_reactor_core",
})
technic.register_machine("HV", "technic:hv_nuclear_reactor_core", technic.producer)
technic.register_machine("HV", "technic:hv_nuclear_reactor_core_active", technic.producer)
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