Add nuclear reactor

kpoppel

2013-07-11 3055270a7cda08b3ebc9cc38bcd871fb1dd12264

Add nuclear reactor

Still needs some work. I am pushing it to get ideas and feedback.
Also fix some bugs in the LV coal generator that were found while making
the nuclear reactor.

Conflicts:
	technic/init.lua

 technic/generator.lua

@@ -1,4 +1,4 @@
-- Th coal driven EU generator.
-- The coal driven EU generator.
-- A simple device to get started on the electric machines.
-- Inefficient and expensive in coal (200EU 16 ticks)
-- Also only allows for LV machinery to run.
@@ -103,6 +103,7 @@
             else
            burn_time = burn_time - 1
            meta:set_int("burn_time",burn_time)
            meta:set_string("infotext", "Coal Electric Generator ("..math.floor(burn_time/16*100).."%)")
             end
          end

@@ -119,6 +120,8 @@
               meta:set_int("burn_time",burn_time)
               hacky_swap_node (pos,"technic:generator_active") 
               meta:set_int("LV_EU_supply", 200) -- Give 200EUs
            else
               meta:set_int("LV_EU_supply", 0)
            end
             end
          end

 technic/init.lua

@@ -58,17 +58,13 @@
---- lighting and associated textures is taken directly from VanessaE's homedecor and made electric.
dofile(modpath.."/power_radiator.lua")
dofile(modpath.."/lighting.lua")
--
----HV machines
dofile(modpath.."/wires_hv.lua")
dofile(modpath.."/battery_box_hv.lua")
dofile(modpath.."/solar_array_hv.lua")

--HV machines
dofile(modpath.."/wires_hv.lua")
dofile(modpath.."/battery_box_hv.lua")
dofile(modpath.."/solar_array_hv.lua")
--dofile(modpath.."/down_converter_hv.lua")
dofile(modpath.."/nuclear_reactor_hv.lua")

--Tools
if technic.config:getBool("enable_mining_drill") then dofile(modpath.."/mining_drill.lua") end
@@ -78,7 +74,7 @@
dofile(modpath.."/chainsaw.lua")
dofile(modpath.."/tree_tap.lua")
dofile(modpath.."/sonic_screwdriver.lua")
--

---- mesecons and tubes related
dofile(modpath.."/injector.lua")
dofile(modpath.."/node_breaker.lua")

 technic/nuclear_reactor_hv.lua

New file
@@ -0,0 +1,239 @@
-- 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 (24h))
-- 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   =     1                      -- [minutes]. How many minutes does the power plant burn per serving?
local power_supply = 10000                      -- [HV] EUs
local fuel_type    = "technic:enriched_uranium" -- This reactor burns this stuff

-- FIXME: recipe must make more sense like a rod recepticle, steam chamber, HV generator?
minetest.register_craft({
    output = 'technic:hv_nuclear_reactor_core',
    recipe = {
        {'default:stainless_steel_ingot', 'default:stainless_steel_ingot', 'default:stainless_steel_ingot'},
        {'default:stainless_steel_ingot', '', 'default:stainless_steel_ingot'},
        {'default:stainless_steel_ingot', 'technic:hv_cable', 'default:stainless_steel_ingot'},
    }
})

minetest.register_craftitem("technic:hv_nuclear_reactor_core", {
    description = "Uranium Rod Driven HV Reactor",
    stack_max = 1,
}) 

local generator_formspec =
    "invsize[8,9;]"..
--    "image[0,0;5,5;technic_generator_menu.png]"..
    "label[0,0;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 },
         }

minetest.register_node(
   "technic:hv_nuclear_reactor_core",
   {
      description = "Nuclear Reactor",
      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"},
--      paramtype2 = "facedir",
      groups = {snappy=2,choppy=2,oddly_breakable_by_hand=2},
      legacy_facedir_simple = true,
      sounds = default.node_sound_wood_defaults(),
      drawtype="nodebox",
      paramtype = "light",
      node_box = {
     type = "fixed",
     fixed = nodebox
      },
      on_construct = function(pos)
            local meta = minetest.env:get_meta(pos)
            meta:set_string("infotext", "Nuclear Reactor Core")
            meta:set_float("technic_hv_power_machine", 1)
            meta:set_int("HV_EU_supply", 0)
            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
            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 = function(pos,player)
           local meta = minetest.env:get_meta(pos);
           local inv = meta:get_inventory()
           if not inv:is_empty("src") then
              minetest.chat_send_player(player:get_player_name(), "Machine cannot be removed because it is not empty");
              return false
           else
              return true
           end
        end,
   })

minetest.register_node(
   "technic:hv_nuclear_reactor_core_active",
   {
      description = "Coal Driven Generator",
      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"},
--      paramtype2 = "facedir",
      groups = {snappy=2,choppy=2,oddly_breakable_by_hand=2,not_in_creative_inventory=1},
      legacy_facedir_simple = true,
      sounds = default.node_sound_wood_defaults(),
      drop="technic:generator",
      drawtype="nodebox",
      light_source = 15,
      paramtype = "light",
      node_box = {
     type = "fixed",
     fixed = nodebox
      },
      can_dig = function(pos,player)
           local meta = minetest.env:get_meta(pos);
           local inv = meta:get_inventory()
           if not inv:is_empty("src") then
              minetest.chat_send_player(player:get_player_name(), "Machine cannot be removed because it is not empty");
              return false
           else
              return true
           end
        end,
   })

local check_reactor_structure = function(pos)
                   -- The reactor consists of an 11x11x11 cube structure
                   -- A cross section through the middle:
                   --  CCCCC CCCCC
                   --  CCCCC CCCCC
                   --  CCSSS SSSCC
                   --  CCSCC CCSCC
                   --  CCSCWWWCSCC
                   --  CCSCW#WCSCC
                   --  CCSCW|WCSCC
                   --  CCSCC|CCSCC
                   --  CCSSS|SSSCC
                   --  CCCCC|CCCCC
                   --  C = Concrete, S = Stainless Steel, W = water node (not floating), #=reactor core, |=HV cable
                   --  The man-hole and the HV cable is only in the middle.
                   local water_nodes = minetest.find_nodes_in_area({x=pos.x-1, y=pos.y-1, z=pos.z-1},
                                         {x=pos.x+1, y=pos.y+1, z=pos.z+1}, "default:water_source")
                   --print("Water      (  25):"..#water_nodes)
                   if #water_nodes ~= 25 then
                      --print("Water supply defect")
                      return 0
                   end
                   local inner_shield_nodes = minetest.find_nodes_in_area({x=pos.x-2, y=pos.y-2, z=pos.z-2},
                                              {x=pos.x+2, y=pos.y+2, z=pos.z+2}, "technic:concrete")

                   --print("Concrete 1 (  96):"..#inner_shield_nodes)
                   if #inner_shield_nodes ~= 96 then
                      --print("Inner shield defect")
                      return 0
                   end
                   local steel_shield_nodes = minetest.find_nodes_in_area({x=pos.x-3, y=pos.y-3, z=pos.z-3},
                                              {x=pos.x+3, y=pos.y+3, z=pos.z+3}, "default:steelblock")

                   --print("Steel      ( 216):"..#steel_shield_nodes)
                   if #steel_shield_nodes ~= 216 then
                      --print("Steel shield defect")
                      return 0
                   end
                   local outer_shield_nodes = minetest.find_nodes_in_area({x=pos.x-5, y=pos.y-5, z=pos.z-5},
                                              {x=pos.x+5, y=pos.y+5, z=pos.z+5}, "technic:concrete")
                   --print("Concrete 2 (1080):"..#outer_shield_nodes)
                   if #outer_shield_nodes ~= (984+#inner_shield_nodes) then
                      --print("Outer shield defect")
                      return 0
                   end
                   return 1
                end

local explode_reactor = function(pos)
               print("BOOM A reactor exploded!")
            end

minetest.register_abm(
   {
      nodenames = {"technic:hv_nuclear_reactor_core","technic:hv_nuclear_reactor_core_active"},
      interval = 1,
      chance   = 1,
      action = function(pos, node, active_object_count, active_object_count_wider)
          local meta = minetest.env:get_meta(pos)
          local burn_time= meta:get_int("burn_time")

          -- If more to burn and the energy produced was used: produce some more
          if burn_time>0 then
             if meta:get_int("HV_EU_supply") == 0 then
            -- We did not use the power
            meta:set_int("HV_EU_supply", power_sypply)
             else
            burn_time = burn_time - 1
            meta:set_int("burn_time",burn_time)
            meta:set_string("infotext", "Nuclear Reactor Core ("..math.floor(burn_time/(burn_ticks*60)*100).."%)")
             end
          end

          -- Burn another piece of coal
          if burn_time==0 then
             local inv = meta:get_inventory()
             local correct_fuel_count = 0
             if inv:is_empty("src") == false  then 
            local srclist= inv:get_list("src")
            for _, srcstack in pairs(srclist) do
               if srcstack then
                  local src_item=srcstack:to_table()
                  if src_item and src_item["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 then
               if check_reactor_structure(pos) == 1 then
                  burn_time=burn_ticks*60
                  meta:set_int("burn_time",burn_time)
                  hacky_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
               else
                  -- BOOM!!! (the reactor was compromised and it should explode after some time) TNT mod inspired??
                  explode_reactor(pos)
               end
            else
               meta:set_int("HV_EU_supply", 0)
            end
             end
          end

          -- Nothing left to burn
          if burn_time==0 then
             meta:set_string("infotext", "Nuclear Reactor Core (idle)")
             hacky_swap_node (pos,"technic:hv_nuclear_reactor_core")
          end
           end
   })

technic.register_HV_machine ("technic:hv_nuclear_reactor_core","PR")
technic.register_HV_machine ("technic:hv_nuclear_reactor_core_active","PR")

 technic/textures/hires/technic_hv_nuclear_reactor_core_128.png

 technic/textures/hires/technic_hv_nuclear_reactor_core_16.png

 technic/textures/hires/technic_hv_nuclear_reactor_core_256.png

 technic/textures/hires/technic_hv_nuclear_reactor_core_32.png

 technic/textures/hires/technic_hv_nuclear_reactor_core_512.png

 technic/textures/hires/technic_hv_nuclear_reactor_core_64.png

 technic/textures/technic_hv_nuclear_reactor_core.png

 technic/textures/technicx32/technic_hv_nuclear_reactor_core.png