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elepower/elepower_nuclear/machines/fusion_reactor.lua

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local struct_cache = {}
local iC = 1 -- Casing
local iR = 2 -- Controller
local iI = 3 -- Inputs
local iO = 4 -- Outputs
local iE = 5 -- Energy Inputs
local iX = 6 -- Center nodes
-- Width and Height of the structure
local structure_size = 15
-- This is the reactor structure (y 0 to 2)
local reactor_structure = {}
local controller_pos = {x = 7, z = 14}
local reactions = {
{
input1 = "elepower_nuclear:deuterium 1000", -- 1st input fluid
input2 = "elepower_nuclear:tritium 1000", -- 2nd input fluid
output = "elepower_nuclear:helium_plasma 2000", -- output fluid
power_ignite = 16000, -- ignition cost
power_upkeep = 1000, -- reaction sustain cost
time = 120, -- reaction time
}
}
-- Determine the validity of the structure from the position of the controller
local function determine_structure(pos, player)
local node = minetest.get_node_or_nil(pos)
if not node then return nil end
local hsize = math.floor(structure_size / 2)
local hindex = {x = hsize, y = 1, z = structure_size}
-- TODO: Determine build direction
--local front = ele.helpers.face_front(pos, node.param2)
-- Load appropriate map piece into memory for easier parsing
local manip = minetest.get_voxel_manip()
local e1, e2 = manip:read_from_map(vector.subtract(pos, hindex), vector.add(pos, hindex))
local area = VoxelArea:new{MinEdge=e1, MaxEdge=e2}
local data = manip:get_data()
local success = true
local inputs = {}
local outputs = {}
local power = {}
for y = -1, 1 do
if not success then break end
local arr = reactor_structure[(y + 2)]
for i = 1, #arr do
local ntype = arr[i]
local indx = i - 1
if ntype ~= 0 then
local z = math.floor(indx / structure_size)
local x = math.floor(indx % structure_size)
local relX = controller_pos.x - x
local relZ = controller_pos.z - z
local scan_pos = vector.add(pos, {x = relX, y = y, z = relZ})
local index = area:indexp(scan_pos)
if data[index] ~= ntype then
if player then
minetest.chat_send_player(player, ('Incorrect node at %d,%d,%d; expected %s, found %s'):format(
scan_pos.x,scan_pos.y,scan_pos.z,minetest.get_name_from_content_id(ntype),
minetest.get_name_from_content_id(data[index])))
end
success = false
break
end
if ntype == iI then
table.insert(inputs, scan_pos)
elseif ntype == iO then
table.insert(outputs, scan_pos)
elseif ntype == iE then
table.insert(power, scan_pos)
end
end
end
end
if success and player then
minetest.chat_send_player(player, "Multi-node structure complete!")
local t = minetest.get_node_timer(pos)
if not t:is_started() then
t:start(1.0)
end
end
return success, inputs, outputs, power
end
local function notify_controller_presence(posi, posj)
for _, pos in pairs(posi) do
local meta = minetest.get_meta(pos)
meta:set_string("ctrl", posj)
ele.helpers.start_timer(pos)
end
end
local function controller_formspec(in1, in2, out, power, time, state)
local bar = "image[3.5,1;1,1;gui_furnace_arrow_bg.png^[transformR270]"
if time ~= nil then
bar = "image[3.5,1;1,1;gui_furnace_arrow_bg.png^[lowpart:"..
(time)..":gui_furnace_arrow_fg.png^[transformR270]"
end
return "size[8,3.25]"..
default.gui_bg..
default.gui_bg_img..
default.gui_slots..
ele.formspec.power_meter(power)..
ele.formspec.fluid_bar(1, 0, in1)..
ele.formspec.fluid_bar(2, 0, in2)..
bar..
ele.formspec.fluid_bar(7, 0, out)..
ele.formspec.state_switcher(7, 2.5, state)
end
local function get_recipe(i1, i2)
local result = {time = 0}
for _, d in pairs(reactions) do
local i1a = ItemStack(d.input1)
local i2a = ItemStack(d.input2)
if (i1a:get_name() == i1.fluid and i1.amount >= i1a:get_count()) and
(i2a:get_name() == i2.fluid and i2.amount >= i2a:get_count()) then
result = d
result.out = ItemStack(result.output)
result.i1 = i1a
result.i2 = i2a
break
end
end
return result
end
local function controller_timer(pos)
local refresh = false
local meta = minetest.get_meta(pos)
-- Cache all reactor components
local cpos = minetest.pos_to_string(pos)
if not struct_cache[cpos] then
local st, i, o, p = determine_structure(pos)
if st then
struct_cache[cpos] = {
inputs = i,
outputs = o,
power = p,
}
notify_controller_presence(i, cpos)
notify_controller_presence(o, cpos)
notify_controller_presence(p, cpos)
else
return false
end
end
local in1_buffer = fluid_lib.get_buffer_data(pos, "in1")
local in2_buffer = fluid_lib.get_buffer_data(pos, "in2")
local out_buffer = fluid_lib.get_buffer_data(pos, "out")
local capacity = ele.helpers.get_node_property(meta, pos, "capacity")
local storage = ele.helpers.get_node_property(meta, pos, "storage")
local pow_buffer = {capacity = capacity, storage = storage, usage = 0}
local time = meta:get_int("src_time")
local time_res = meta:get_int("src_time_max")
local state = meta:get_int("state")
-- Deuterium + Tritium -> Helium Plasma
while true do
local recipe = get_recipe(in1_buffer, in2_buffer)
if recipe.time == 0 then break end
if time_res == 0 then
if recipe.power_ignite > pow_buffer.storage then
break
end
pow_buffer.storage = pow_buffer.storage - recipe.power_ignite
pow_buffer.usage = recipe.power_ignite
time_res = recipe.time
time = 0
refresh = true
break
end
-- Cool the reaction down when out of power (aka stop it)
if recipe.power_upkeep > pow_buffer.storage then
time = 0
time_res = 0
break
end
refresh = true
pow_buffer.storage = pow_buffer.storage - recipe.power_upkeep
pow_buffer.usage = recipe.power_upkeep
if time ~= time_res then
time = time + 1
break
end
if (recipe.out:get_name() ~= out_buffer.fluid and out_buffer.fluid ~= "") or
((recipe.out:get_count()) + out_buffer.amount > out_buffer.capacity) then
break
end
out_buffer.fluid = recipe.out:get_name()
out_buffer.amount = out_buffer.amount + recipe.out:get_count()
in1_buffer.amount = in1_buffer.amount - recipe.i1:get_count()
in2_buffer.amount = in2_buffer.amount - recipe.i2:get_count()
if in1_buffer.amount == 0 then
in1_buffer.fluid = ""
end
if in2_buffer.amount == 0 then
in2_buffer.fluid = ""
end
time = 0
time_res = 0
break
end
meta:set_string("in1_fluid", in1_buffer.fluid)
meta:set_int("in1_fluid_storage", in1_buffer.amount)
meta:set_string("in2_fluid", in2_buffer.fluid)
meta:set_int("in2_fluid_storage", in2_buffer.amount)
meta:set_string("out_fluid", out_buffer.fluid)
meta:set_int("out_fluid_storage", out_buffer.amount)
meta:set_int("src_time", time)
meta:set_int("src_time_max", time_res)
meta:set_int("storage", pow_buffer.storage)
local pcrt = 0
if time_res > 0 then
pcrt = math.floor(100 * time / time_res)
end
meta:set_string("formspec", controller_formspec(in1_buffer, in2_buffer, out_buffer, pow_buffer, pcrt, state))
return refresh
end
local function get_port_controller(pos)
local meta = minetest.get_meta(pos)
local ctrl = minetest.string_to_pos(meta:get_string("ctrl"))
if not ctrl then return nil end
local ctrl_node = minetest.get_node_or_nil(ctrl)
if not ctrl_node or ctrl_node.name ~= "elepower_nuclear:reactor_controller" then
return nil
end
return ctrl, minetest.get_meta(ctrl)
end
local function port_destruct(pos)
local meta = minetest.get_meta(pos)
local ctrl, ctrl_meta = get_port_controller(pos)
if not ctrl then return nil end
-- Remove controller's cache entry, forcing it to redetect its structure
local ctrl_name = minetest.pos_to_string(ctrl)
if struct_cache[ctrl_name] then
struct_cache[ctrl_name] = nil
end
local t = minetest.get_node_timer(ctrl)
if not t:is_started() then
t:start(1.0)
end
end
-- Transfer power from the power port to the controller
local function power_timer(pos)
local refresh = false
local meta = minetest.get_meta(pos)
local ctrl, ctrl_meta = get_port_controller(pos)
if not ctrl then
meta:set_string("infotext", "No controller found.")
return false
end
local localc = ele.helpers.get_node_property(meta, pos, "capacity")
local locals = ele.helpers.get_node_property(meta, pos, "storage")
local remotec = ele.helpers.get_node_property(ctrl_meta, ctrl, "capacity")
local remotes = ele.helpers.get_node_property(ctrl_meta, ctrl, "storage")
if remotes ~= remotec then
if remotes + locals > remotec then
local add = remotec - remotes
locals = locals - add
remotes = remotes + add
else
remotes = remotes + locals
locals = 0
end
refresh = true
end
if refresh then
meta:set_int("storage", locals)
ctrl_meta:set_int("storage", remotes)
local t = minetest.get_node_timer(ctrl)
if not t:is_started() then
t:start(1.0)
end
end
meta:set_string("infotext", ("Connected to controller at %s\nLocal %s"):format(
minetest.pos_to_string(ctrl), ele.capacity_text(localc, locals)))
return refresh
end
local function port_timer(pos)
local meta = minetest.get_meta(pos)
local ctrl = get_port_controller(pos)
if not ctrl then
meta:set_string("No controller found.")
return false
end
meta:set_string("infotext", "Connected to controller at " .. minetest.pos_to_string(ctrl))
return false
end
-----------
-- Nodes --
-----------
minetest.register_node("elepower_nuclear:reactor_controller", {
description = "Fusion Reactor Controller",
tiles = {
"elepower_advblock_combined.png", "elepower_advblock_combined.png", "elepower_advblock_combined.png",
"elepower_advblock_combined.png", "elepower_advblock_combined.png", "elepower_advblock_combined.png^elenuclear_fusion_controller.png",
},
groups = {
cracky = 2,
},
fluid_buffers = {
in1 = {
capacity = 16000,
accepts = {"elepower_nuclear:deuterium"},
drainable = false,
},
in2 = {
capacity = 16000,
accepts = {"elepower_nuclear:tritium", "elepower_nuclear:helium"},
drainable = false,
},
out = {
capacity = 16000,
accepts = nil,
drainable = true,
},
},
ele_capacity = 64000,
on_timer = controller_timer,
on_punch = function (pos, node, puncher, pointed_thing)
determine_structure(pos, puncher:get_player_name())
minetest.node_punch(pos, node, puncher, pointed_thing)
end,
})
minetest.register_node("elepower_nuclear:reactor_power", {
description = "Fusion Reactor Power Port (Input)",
tiles = {
"elepower_advblock_combined.png", "elepower_advblock_combined.png", "elepower_advblock_combined.png",
"elepower_advblock_combined.png", "elepower_advblock_combined.png", "elepower_advblock_combined.png^elenuclear_power_port.png^elepower_power_port.png",
},
paramtype2 = "facedir",
groups = {
cracky = 2,
ele_machine = 1,
ele_user = 1,
},
ele_capacity = 8000,
ele_usage = 0,
ele_inrush = 500,
on_timer = power_timer,
on_destruct = port_destruct,
})
minetest.register_node("elepower_nuclear:reactor_fluid", {
description = "Fusion Reactor Fluid Port (Input)",
tiles = {
"elepower_advblock_combined.png", "elepower_advblock_combined.png", "elepower_advblock_combined.png",
"elepower_advblock_combined.png", "elepower_advblock_combined.png",
"elepower_advblock_combined.png^elenuclear_fluid_port.png^elepower_power_port.png",
},
paramtype2 = "facedir",
groups = {
cracky = 2,
fluid_container = 1,
},
fluid_buffers = {},
on_timer = port_timer,
on_destruct = port_destruct,
node_io_can_put_liquid = function (pos, node, side)
return true
end,
node_io_can_take_liquid = function (pos, node, side)
return false
end,
node_io_get_liquid_size = function (pos, node, side)
return 2
end,
node_io_get_liquid_name = function(pos, node, side, index)
local ctrl, ctrl_meta = get_port_controller(pos)
if not ctrl then return nil end
return ctrl_meta:get_string("in" .. index .. "_fluid")
end,
node_io_get_liquid_stack = function(pos, node, side, index)
local ctrl, ctrl_meta = get_port_controller(pos)
if not ctrl then return ItemStack(nil) end
return ItemStack(ctrl_meta:get_string("in" .. index .. "_fluid") .. " " ..
ctrl_meta:get_int("in" .. index .. "_fluid_storage"))
end,
node_io_accepts_millibuckets = function(pos, node, side) return true end,
node_io_put_liquid = function(pos, node, side, putter, liquid, millibuckets)
local ctrl, ctrl_meta = get_port_controller(pos)
if not ctrl then return millibuckets end
local buffers = fluid_lib.get_node_buffers(ctrl)
local leftovers = 0
for buffer,data in pairs(buffers) do
if millibuckets == 0 then break end
local didnt_fit = fluid_lib.insert_into_buffer(ctrl, buffer, liquid, millibuckets)
millibuckets = millibuckets - (millibuckets - didnt_fit)
leftovers = leftovers + didnt_fit
end
return leftovers
end,
node_io_room_for_liquid = function(pos, node, side, liquid, millibuckets)
local ctrl, ctrl_meta = get_port_controller(pos)
if not ctrl then return 0 end
local buffers = fluid_lib.get_node_buffers(ctrl)
local insertable = 0
for buffer,data in pairs(buffers) do
local insert = fluid_lib.can_insert_into_buffer(ctrl, buffer, liquid, millibuckets)
if insert > 0 then
insertable = insert
break
end
end
return insertable
end,
})
minetest.register_node("elepower_nuclear:reactor_output", {
description = "Fusion Reactor Fluid Port (Output)",
tiles = {
"elepower_advblock_combined.png", "elepower_advblock_combined.png", "elepower_advblock_combined.png",
"elepower_advblock_combined.png", "elepower_advblock_combined.png",
"elepower_advblock_combined.png^elenuclear_fluid_port_out.png^elepower_power_port.png",
},
paramtype2 = "facedir",
groups = {
cracky = 2,
fluid_container = 1,
},
fluid_buffers = {},
on_timer = port_timer,
on_destruct = port_destruct,
node_io_can_put_liquid = function (pos, node, side)
return false
end,
node_io_can_take_liquid = function (pos, node, side)
return true
end,
node_io_accepts_millibuckets = function(pos, node, side) return true end,
node_io_take_liquid = function(pos, node, side, taker, want_liquid, want_millibuckets)
local ctrl, ctrl_meta = get_port_controller(pos)
if not ctrl then return nil end
local buffers = fluid_lib.get_node_buffers(ctrl)
local buffer = "out"
local took = 0
local name = ""
local bfdata = fluid_lib.get_buffer_data(ctrl, buffer)
local storage = bfdata.amount
local fluid = bfdata.fluid
if (fluid == want_liquid or want_liquid == "") and storage >= want_millibuckets then
name, took = fluid_lib.take_from_buffer(ctrl, buffer, want_millibuckets)
end
return {name = name, millibuckets = took}
end,
node_io_get_liquid_size = function (pos, node, side)
return 1
end,
node_io_get_liquid_name = function(pos, node, side, index)
local ctrl, ctrl_meta = get_port_controller(pos)
if not ctrl then return "" end
return ctrl_meta:get_string("out_fluid")
end,
node_io_get_liquid_stack = function(pos, node, side, index)
local ctrl, ctrl_meta = get_port_controller(pos)
if not ctrl then return ItemStack(nil) end
return ItemStack(ctrl_meta:get_string("out_fluid") .. " " ..
ctrl_meta:get_int("out_fluid_storage"))
end,
})
minetest.register_lbm({
label = "Enable Fusion Reactors on load",
name = "elepower_nuclear:fusion_reactors",
nodenames = {"elepower_nuclear:reactor_controller"},
run_at_every_load = true,
action = ele.helpers.start_timer,
})
-- Define reactor structure with Content IDs
iC = minetest.get_content_id("elepower_machines:advanced_machine_block")
iR = minetest.get_content_id("elepower_nuclear:reactor_controller")
iI = minetest.get_content_id("elepower_nuclear:reactor_fluid")
iO = minetest.get_content_id("elepower_nuclear:reactor_output")
iE = minetest.get_content_id("elepower_nuclear:reactor_power")
iX = minetest.get_content_id("elepower_nuclear:fusion_coil")
reactor_structure = {
{
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, iC, iC, iC, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, iC, iC, 0, 0, 0, iC, iC, 0, 0, 0, 0,
0, 0, 0, iC, 0, 0, 0, 0, 0, 0, 0, iC, 0, 0, 0,
0, 0, iC, 0, 0, 0, 0, 0, 0, 0, 0, 0, iC, 0, 0,
0, 0, iC, 0, 0, 0, 0, 0, 0, 0, 0, 0, iC, 0, 0,
0, iC, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, iC, 0,
0, iI, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, iI, 0,
0, iC, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, iC, 0,
0, 0, iC, 0, 0, 0, 0, 0, 0, 0, 0, 0, iC, 0, 0,
0, 0, iC, 0, 0, 0, 0, 0, 0, 0, 0, 0, iC, 0, 0,
0, 0, 0, iC, 0, 0, 0, 0, 0, 0, 0, iC, 0, 0, 0,
0, 0, 0, 0, iC, iC, 0, 0, 0, iC, iC, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, iC, iC, iC, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
},
{
0, 0, 0, 0, 0, 0, iC, iE, iC, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, iC, iC, iX, iX, iX, iC, iC, 0, 0, 0, 0,
0, 0, 0, iC, iX, iX, iC, iC, iC, iX, iX, iC, 0, 0, 0,
0, 0, iC, iX, iC, iC, 0, 0, 0, iC, iC, iX, iC, 0, 0,
0, iC, iX, iC, 0, 0, 0, 0, 0, 0, 0, iC, iX, iC, 0,
0, iC, iX, iC, 0, 0, 0, 0, 0, 0, 0, iC, iX, iC, 0,
iC, iX, iC, 0, 0, 0, 0, 0, 0, 0, 0, 0, iC, iX, iC,
iE, iX, iC, 0, 0, 0, 0, 0, 0, 0, 0, 0, iC, iX, iE,
iC, iX, iC, 0, 0, 0, 0, 0, 0, 0, 0, 0, iC, iX, iC,
0, iC, iX, iC, 0, 0, 0, 0, 0, 0, 0, iC, iX, iC, 0,
0, iC, iX, iC, 0, 0, 0, 0, 0, 0, 0, iC, iX, iC, 0,
0, 0, iC, iX, iC, iC, 0, 0, 0, iC, iC, iX, iC, 0, 0,
0, 0, 0, iC, iX, iX, iC, iC, iC, iX, iX, iC, 0, 0, 0,
0, 0, 0, 0, iC, iC, iX, iX, iX, iC, iC, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, iC, iR, iC, 0, 0, 0, 0, 0, 0,
},
{
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, iC, iC, iC, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, iC, iC, 0, 0, 0, iC, iC, 0, 0, 0, 0,
0, 0, 0, iC, 0, 0, 0, 0, 0, 0, 0, iC, 0, 0, 0,
0, 0, iC, 0, 0, 0, 0, 0, 0, 0, 0, 0, iC, 0, 0,
0, 0, iC, 0, 0, 0, 0, 0, 0, 0, 0, 0, iC, 0, 0,
0, iC, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, iC, 0,
0, iO, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, iO, 0,
0, iC, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, iC, 0,
0, 0, iC, 0, 0, 0, 0, 0, 0, 0, 0, 0, iC, 0, 0,
0, 0, iC, 0, 0, 0, 0, 0, 0, 0, 0, 0, iC, 0, 0,
0, 0, 0, iC, 0, 0, 0, 0, 0, 0, 0, iC, 0, 0, 0,
0, 0, 0, 0, iC, iC, 0, 0, 0, iC, iC, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, iC, iC, iC, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
}
}
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