Konstantin Oblaukhov
2013-07-06 8be389e774a99ec5d08ca86b3902bb98310fd58d
technic/electric_furnace_mv.lua
@@ -1,279 +1,304 @@
minetest.register_craft({
   output = 'technic:mv_electric_furnace',
   recipe = {
      {'technic:stainless_steel_ingot', 'technic:electric_furnace', 'technic:stainless_steel_ingot'},
      {'pipeworks:tube_000000', 'technic:mv_transformer', 'pipeworks:tube_000000'},
      {'technic:stainless_steel_ingot', 'technic:mv_cable', 'technic:stainless_steel_ingot'},
   }
})
-- MV Electric Furnace
-- This is a faster version of the stone furnace which runs on EUs
-- In addition to this it can be upgraded with microcontrollers and batteries
-- This new version uses the batteries to lower the power consumption of the machine
-- Also in addition this furnace can be attached to the pipe system from the pipeworks mod.
-- FIXME: kpoppel I'd like to introduce an induction heating element here also
minetest.register_craft(
   {output = 'technic:mv_electric_furnace',
    recipe = {
       {'technic:stainless_steel_ingot', 'technic:electric_furnace', 'technic:stainless_steel_ingot'},
       {'pipeworks:tube_000000', 'technic:mv_transformer', 'pipeworks:tube_000000'},
       {'technic:stainless_steel_ingot', 'technic:mv_cable', 'technic:stainless_steel_ingot'},
    }
 })
mv_electric_furnace_formspec =
   "invsize[8,10;]"..
   "image[1,1;1,2;technic_power_meter_bg.png]"..
   "list[current_name;src;3,1;1,1;]"..
   "list[current_name;dst;5,1;2,2;]"..
   "list[current_player;main;0,6;8,4;]"..
   "label[0,0;MV Electric Furnace]"..
   "label[1,2.8;Power level]"..
   "list[current_name;upgrade1;1,4;1,1;]"..
   "list[current_name;upgrade2;2,4;1,1;]"..
   "label[1,5;Upgrade Slots]"
local mv_electric_furnace_formspec =
   "invsize[8,10;]"..
   "list[current_name;src;3,1;1,1;]"..
   "list[current_name;dst;5,1;2,2;]"..
   "list[current_player;main;0,6;8,4;]"..
   "label[0,0;MV Electric Furnace]"..
   "list[current_name;upgrade1;1,4;1,1;]"..
   "list[current_name;upgrade2;2,4;1,1;]"..
   "label[1,5;Upgrade Slots]"
minetest.register_node("technic:mv_electric_furnace", {
   description = "MV Electric furnace",
   tiles = {"technic_mv_electric_furnace_top.png", "technic_mv_electric_furnace_bottom.png", "technic_mv_electric_furnace_side_tube.png",
      "technic_mv_electric_furnace_side_tube.png", "technic_mv_electric_furnace_side.png", "technic_mv_electric_furnace_front.png"},
   paramtype2 = "facedir",
   groups = {cracky=2, tubedevice=1,tubedevice_receiver=1,},
      tube={insert_object=function(pos,node,stack,direction)
         local meta=minetest.env:get_meta(pos)
         local inv=meta:get_inventory()
            return inv:add_item("src",stack)
      end,
      can_insert=function(pos,node,stack,direction)
minetest.register_node(
   "technic:mv_electric_furnace",
   {description = "MV Electric furnace",
    tiles = {"technic_mv_electric_furnace_top.png", "technic_mv_electric_furnace_bottom.png", "technic_mv_electric_furnace_side_tube.png",
        "technic_mv_electric_furnace_side_tube.png", "technic_mv_electric_furnace_side.png", "technic_mv_electric_furnace_front.png"},
    paramtype2 = "facedir",
    groups = {cracky=2, tubedevice=1,tubedevice_receiver=1,},
    tube={insert_object=function(pos,node,stack,direction)
            local meta=minetest.env:get_meta(pos)
            local inv=meta:get_inventory()
            return inv:add_item("src",stack)
         end,
     can_insert=function(pos,node,stack,direction)
         local meta=minetest.env:get_meta(pos)
         local inv=meta:get_inventory()
         return inv:room_for_item("src",stack)
      end,
      },
   legacy_facedir_simple = true,
   sounds = default.node_sound_stone_defaults(),
   technic_power_machine=1,
   internal_EU_buffer=0;
   interal_EU_buffer_size=2000;
   on_construct = function(pos)
      local meta = minetest.env:get_meta(pos)
      meta:set_float("technic_mv_power_machine", 1)
      meta:set_string("formspec", mv_electric_furnace_formspec)
      meta:set_string("infotext", "Electric furnace")
      local inv = meta:get_inventory()
      inv:set_size("src", 1)
      inv:set_size("dst", 4)
      inv:set_size("upgrade1", 1)
      inv:set_size("upgrade2", 1)
      local EU_used  = 0
      local furnace_is_cookin = 0
      local cooked = nil
      meta:set_float("internal_EU_buffer",0)
      meta:set_float("internal_EU_buffer_size",2000)
      meta:set_float("tube_time", 0)
   end,
   can_dig = function(pos,player)
      local meta = minetest.env:get_meta(pos);
      local inv = meta:get_inventory()
      if not inv:is_empty("dst") then
         return false
      elseif not inv:is_empty("src") then
         return false
      elseif not inv:is_empty("upgrade1") then
         return false
      elseif not inv:is_empty("upgrade2") then
         return false
      end
      return true
   end,
})
           end,
       },
    legacy_facedir_simple = true,
    sounds = default.node_sound_stone_defaults(),
    on_construct = function(pos)
            local meta = minetest.env:get_meta(pos)
            meta:set_string("infotext", "MV Electric furnace")
            meta:set_float("technic_mv_power_machine", 1)
            meta:set_int("tube_time",  0)
            meta:set_string("formspec", mv_electric_furnace_formspec)
            local inv = meta:get_inventory()
            inv:set_size("src", 1)
            inv:set_size("dst", 4)
            inv:set_size("upgrade1", 1)
            inv:set_size("upgrade2", 1)
         end,
    can_dig = function(pos,player)
       local meta = minetest.env:get_meta(pos);
       local inv = meta:get_inventory()
       if not inv:is_empty("src") or not inv:is_empty("dst") or not inv:is_empty("upgrade1") or not inv:is_empty("upgrade2") 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:mv_electric_furnace_active", {
   description = "MV Electric Furnace",
   tiles = {"technic_mv_electric_furnace_top.png", "technic_mv_electric_furnace_bottom.png", "technic_mv_electric_furnace_side_tube.png",
      "technic_mv_electric_furnace_side_tube.png", "technic_mv_electric_furnace_side.png", "technic_mv_electric_furnace_front_active.png"},
   paramtype2 = "facedir",
   light_source = 8,
   drop = "technic:mv_electric_furnace",
   groups = {cracky=2, tubedevice=1,tubedevice_receiver=1,not_in_creative_inventory=1},
   tube={insert_object=function(pos,node,stack,direction)
         local meta=minetest.env:get_meta(pos)
         local inv=meta:get_inventory()
            return inv:add_item("src",stack)
      end,
      can_insert=function(pos,node,stack,direction)
minetest.register_node(
   "technic:mv_electric_furnace_active",
   {description = "MV Electric Furnace",
    tiles = {"technic_mv_electric_furnace_top.png", "technic_mv_electric_furnace_bottom.png", "technic_mv_electric_furnace_side_tube.png",
        "technic_mv_electric_furnace_side_tube.png", "technic_mv_electric_furnace_side.png", "technic_mv_electric_furnace_front_active.png"},
    paramtype2 = "facedir",
    light_source = 8,
    drop = "technic:mv_electric_furnace",
    groups = {cracky=2, tubedevice=1,tubedevice_receiver=1,not_in_creative_inventory=1},
    tube={insert_object=function(pos,node,stack,direction)
            local meta=minetest.env:get_meta(pos)
            local inv=meta:get_inventory()
            return inv:add_item("src",stack)
         end,
     can_insert=function(pos,node,stack,direction)
         local meta=minetest.env:get_meta(pos)
         local inv=meta:get_inventory()
         return inv:room_for_item("src",stack)
      end,
      },
   legacy_facedir_simple = true,
   sounds = default.node_sound_stone_defaults(),
   internal_EU_buffer=0;
   interal_EU_buffer_size=2000;
   technic_power_machine=1,
   on_construct = function(pos)
      local meta = minetest.env:get_meta(pos)
      meta:set_float("technic_mv_power_machine", 1)
      meta:set_string("formspec", mv_electric_furnace_formspec)
      meta:set_string("infotext", "Electric furnace");
      local inv = meta:get_inventory()
      inv:set_size("src", 1)
      inv:set_size("dst", 4)
      inv:set_size("upgrade1", 1)
      inv:set_size("upgrade2", 1)
      local EU_used  = 0
      local furnace_is_cookin = 0
      local cooked = nil
   end,
   can_dig = function(pos,player)
      local meta = minetest.env:get_meta(pos);
      local inv = meta:get_inventory()
      if not inv:is_empty("dst") then
         return false
      elseif not inv:is_empty("src") then
         return false
      elseif not inv:is_empty("upgrade1") then
         return false
      elseif not inv:is_empty("upgrade2") then
         return false
      end
      return true
   end,
})
           end,
       },
    legacy_facedir_simple = true,
    sounds = default.node_sound_stone_defaults(),
    can_dig = function(pos,player)
       local meta = minetest.env:get_meta(pos);
       local inv = meta:get_inventory()
       if not inv:is_empty("src") or not inv:is_empty("dst") or not inv:is_empty("upgrade1") or not inv:is_empty("upgrade2") 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,
    -- These three makes sure upgrades are not moved in or out while the furnace is active.
    allow_metadata_inventory_put = function(pos, listname, index, stack, player)
                   if listname == "src" or listname == "dst" then
                 return 99
                   else
                 return 0 -- Disallow the move
                   end
               end,
    allow_metadata_inventory_take = function(pos, listname, index, stack, player)
                   if listname == "src" or listname == "dst" then
                 return 99
                   else
                 return 0 -- Disallow the move
                   end
                end,
    allow_metadata_inventory_move = function(pos, from_list, to_list, to_list, to_index, count, player)
                return 0
             end,
 })
minetest.register_abm({
   nodenames = {"technic:mv_electric_furnace","technic:mv_electric_furnace_active"},
   interval = 1,
   chance = 1,
   action = function(pos, node, active_object_count, active_object_count_wider)
      local pos1={}
      pos1.x=pos.x
      pos1.y=pos.y
      pos1.z=pos.z
      local x_velocity=0
      local z_velocity=0
      -- output is on the left side of the furnace
      if node.param2==3 then pos1.z=pos1.z-1 z_velocity =-1 end
      if node.param2==2 then pos1.x=pos1.x-1 x_velocity =-1 end
      if node.param2==1 then pos1.z=pos1.z+1 z_velocity = 1 end
      if node.param2==0 then pos1.x=pos1.x+1 x_velocity = 1 end
      local output_tube_connected = false
      local meta=minetest.env:get_meta(pos1)
      if meta:get_int("tubelike")==1 then output_tube_connected=true end
      meta = minetest.env:get_meta(pos)
      local inv = meta:get_inventory()
      local upg_item1
      local upg_item1_name=""
      local upg_item2
      local upg_item2_name=""
      local srcstack = inv:get_stack("upgrade1", 1)
      if srcstack then upg_item1=srcstack:to_table() end
      srcstack = inv:get_stack("upgrade2", 1)
      if srcstack then upg_item2=srcstack:to_table() end
      if upg_item1 then upg_item1_name=upg_item1.name end
      if upg_item2 then upg_item2_name=upg_item2.name end
      local speed=0
      if upg_item1_name=="technic:control_logic_unit" then speed=speed+1 end
      if upg_item2_name=="technic:control_logic_unit" then speed=speed+1 end
      tube_time=meta:get_float("tube_time")
      tube_time=tube_time+speed
      if tube_time>3 then
         tube_time=0
         if output_tube_connected then send_cooked_items(pos,x_velocity,z_velocity) end
      end
      meta:set_float("tube_time", tube_time)
      local extra_buffer_size = 0
      if upg_item1_name=="technic:battery" then extra_buffer_size =extra_buffer_size + 10000 end
      if upg_item2_name=="technic:battery" then extra_buffer_size =extra_buffer_size + 10000 end
      local internal_EU_buffer_size=2000+extra_buffer_size
      meta:set_float("internal_EU_buffer_size",internal_EU_buffer_size)
      internal_EU_buffer=meta:get_float("internal_EU_buffer")
      if internal_EU_buffer > internal_EU_buffer_size then internal_EU_buffer = internal_EU_buffer_size end
      local load = math.floor(internal_EU_buffer/(internal_EU_buffer_size) * 100)
      meta:set_string("formspec",
            "invsize[8,10;]"..
            "image[1,1;1,2;technic_power_meter_bg.png^[lowpart:"..
               (load)..":technic_power_meter_fg.png]"..
            "list[current_name;src;3,1;1,1;]"..
            "list[current_name;dst;5,1;2,2;]"..
            "list[current_player;main;0,6;8,4;]"..
            "label[0,0;MV Electric Furnace]"..
            "label[1,2.8;Power level]"..
            "list[current_name;upgrade1;1,4;1,1;]"..
            "list[current_name;upgrade2;2,4;1,1;]"..
            "label[1,5;Upgrade Slots]")
      local furnace_is_cookin = meta:get_float("furnace_is_cookin")
      local srclist = inv:get_list("src")
      local cooked=nil
      if srclist then
       cooked = minetest.get_craft_result({method = "cooking", width = 1, items = srclist})
      end
      if (furnace_is_cookin == 1) then
         if internal_EU_buffer>=150 then
         internal_EU_buffer=internal_EU_buffer-150;
         meta:set_float("internal_EU_buffer",internal_EU_buffer)
         meta:set_float("src_time", meta:get_float("src_time") + 3)
         if cooked and cooked.item and meta:get_float("src_time") >= cooked.time then
            -- check if there's room for output in "dst" list
            if inv:room_for_item("dst",cooked.item) then
               -- Put result in "dst" list
               inv:add_item("dst", cooked.item)
               -- take stuff from "src" list
               srcstack = inv:get_stack("src", 1)
               srcstack:take_item()
               inv:set_stack("src", 1, srcstack)
            else
               print("Furnace inventory full!")
local send_cooked_items = function(pos,x_velocity,z_velocity)
              -- Send items on their way in the pipe system.
              local meta=minetest.env:get_meta(pos)
              local inv = meta:get_inventory()
              local i=0
              for _,stack in ipairs(inv:get_list("dst")) do
            i=i+1
            if stack then
               local item0=stack:to_table()
            if item0 then
               item0["count"]="1"
               local item1=tube_item({x=pos.x,y=pos.y,z=pos.z},item0)
               item1:get_luaentity().start_pos = {x=pos.x,y=pos.y,z=pos.z}
               item1:setvelocity({x=x_velocity, y=0, z=z_velocity})
               item1:setacceleration({x=0, y=0, z=0})
               stack:take_item(1);
               inv:set_stack("dst", i, stack)
               return
            end
            meta:set_string("src_time", 0)
         end
         end
              end
           end
             end
local smelt_item = function(pos)
            local meta=minetest.env:get_meta(pos)
            local inv = meta:get_inventory()
            meta:set_int("src_time", meta:get_int("src_time") + 3) -- Cooking time 3x faster
            local result = minetest.get_craft_result({method = "cooking", width = 1, items = inv:get_list("src")})
            if result and result.item and meta:get_int("src_time") >= result.time then
          meta:set_int("src_time", 0)
          -- check if there's room for output in "dst" list
          if inv:room_for_item("dst",result) then
             -- take stuff from "src" list
             srcstack = inv:get_stack("src", 1)
             srcstack:take_item()
             inv:set_stack("src", 1, srcstack)
             -- Put result in "dst" list
             inv:add_item("dst", result.item)
             return 1
          else
             return 0 -- done
          end
            end
            return 0 -- done
         end
minetest.register_abm(
   {nodenames = {"technic:mv_electric_furnace","technic:mv_electric_furnace_active"},
    interval = 1,
    chance   = 1,
    action = function(pos, node, active_object_count, active_object_count_wider)
      local meta         = minetest.env:get_meta(pos)
      local eu_input     = meta:get_int("MV_EU_input")
      local state        = meta:get_int("state")
      local next_state   = state
      -- Machine information
      local machine_name         = "MV Electric Furnace"
      local machine_node         = "technic:mv_electric_furnace"
      local machine_state_demand = { 50, 2000, 1500, 1000 }
      -- Setup meta data if it does not exist. state is used as an indicator of this
      if state == 0 then
         meta:set_int("state", 1)
         meta:set_int("MV_EU_demand", machine_state_demand[1])
         meta:set_int("MV_EU_input", 0)
         return
      end
      if srclist then
         cooked = minetest.get_craft_result({method = "cooking", width = 1, items = srclist})
         if cooked.time>0 then
         hacky_swap_node(pos,"technic:mv_electric_furnace_active")
         meta:set_string("infotext","Furnace active")
         meta:set_string("furnace_is_cookin",1)
         meta:set_string("src_time", 0)
         return
         end
      -- Power off automatically if no longer connected to a switching station
      technic.switching_station_timeout_count(pos, "MV")
      -- Execute always logic
      -- CODE HERE --
      -- State machine
      if eu_input == 0 then
         -- Unpowered - go idle
         hacky_swap_node(pos, machine_node)
         meta:set_string("infotext", machine_name.." Unpowered")
         next_state = 1
      elseif eu_input == machine_state_demand[state] then
         -- Powered - do the state specific actions
         -- Execute always if powered logic
         local meta=minetest.env:get_meta(pos)
         -- Get the names of the upgrades
         local meta=minetest.env:get_meta(pos)
         local inv = meta:get_inventory()
         local upg_item1
         local upg_item1_name=""
         local upg_item2
         local upg_item2_name=""
         local srcstack = inv:get_stack("upgrade1", 1)
         if  srcstack then upg_item1=srcstack:to_table() end
         srcstack = inv:get_stack("upgrade2", 1)
         if  srcstack then upg_item2=srcstack:to_table() end
         if upg_item1 then upg_item1_name=upg_item1.name end
         if upg_item2 then upg_item2_name=upg_item2.name end
         -- Save some power by installing battery upgrades. Fully upgraded makes this
         -- furnace use the same amount of power as the LV version
         local EU_saving_upgrade = 0
         if upg_item1_name=="technic:battery" then EU_saving_upgrade = EU_saving_upgrade + 1 end
         if upg_item2_name=="technic:battery" then EU_saving_upgrade = EU_saving_upgrade + 1 end
         -- Tube loading speed can be upgraded using control logic units
         local tube_speed_upgrade = 0
         if upg_item1_name=="technic:control_logic_unit" then tube_speed_upgrade = tube_speed_upgrade + 1 end
         if upg_item2_name=="technic:control_logic_unit" then tube_speed_upgrade = tube_speed_upgrade + 1 end
         -- Handle pipeworks (consumes tube_speed_upgrade)
         local pos1={x=pos.x, y=pos.y, z=pos.z}
         local x_velocity=0
         local z_velocity=0
         -- Output is on the left side of the furnace
         if node.param2==3 then pos1.z=pos1.z-1 z_velocity =-1 end
         if node.param2==2 then pos1.x=pos1.x-1 x_velocity =-1 end
         if node.param2==1 then pos1.z=pos1.z+1 z_velocity = 1 end
         if node.param2==0 then pos1.x=pos1.x+1 x_velocity = 1 end
         local output_tube_connected = false
         local meta1 = minetest.env:get_meta(pos1)
         if meta1:get_int("tubelike") == 1 then
            output_tube_connected=true
         end
         tube_time = meta:get_int("tube_time")
         tube_time = tube_time + tube_speed_upgrade
         if tube_time > 3 then
            tube_time = 0
            if output_tube_connected then
          send_cooked_items(pos,x_velocity,z_velocity)
            end
         end
         meta:set_int("tube_time", tube_time)
         -- The machine shuts down if we have nothing to smelt and no tube is connected
         -- or if we have nothing to send with a tube connected.
         if    (not output_tube_connected and inv:is_empty("src"))
         or (    output_tube_connected and inv:is_empty("dst")) then
         next_state = 1
      end
            hacky_swap_node(pos,"technic:mv_electric_furnace")
            meta:set_string("infotext","Furnace inactive")
            meta:set_string("furnace_is_cookin",0)
            meta:set_string("src_time", 0)
end,
})
function send_cooked_items (pos,x_velocity,z_velocity)
      local meta=minetest.env:get_meta(pos)
      local inv = meta:get_inventory()
      local i=0
      for _,stack in ipairs(inv:get_list("dst")) do
      i=i+1
         if stack then
         local item0=stack:to_table()
         if item0 then
            item0["count"]="1"
            local item1=tube_item({x=pos.x,y=pos.y,z=pos.z},item0)
            item1:get_luaentity().start_pos = {x=pos.x,y=pos.y,z=pos.z}
            item1:setvelocity({x=x_velocity, y=0, z=z_velocity})
            item1:setacceleration({x=0, y=0, z=0})
            stack:take_item(1);
            inv:set_stack("dst", i, stack)
            return
            end
         end
      ----------------------
      if state == 1 then
         hacky_swap_node(pos, machine_node)
         meta:set_string("infotext", machine_name.." Idle")
         local meta=minetest.env:get_meta(pos)
         local inv = meta:get_inventory()
         if not inv:is_empty("src") then
            local result = minetest.get_craft_result({method = "cooking", width = 1, items = inv:get_list("src")})
            if result then
          meta:set_string("infotext", machine_name.." Active")
          meta:set_int("src_time",     0)
          next_state = 2+EU_saving_upgrade -- Next state is decided by the battery upgrade (state 2= 0 batteries, state 3 = 1 battery, 4 = 2 batteries)
            end
         else
            meta:set_string("infotext", "Electric Furnace Idle")
         end
      elseif state == 2 or state == 3 or state == 4 then
         hacky_swap_node(pos, machine_node.."_active")
         meta:set_string("infotext", machine_name.." Active")
         result = smelt_item(pos, data)
         if result == 0 then
            next_state = 1
         end
      end
end
        end
        -- Change state?
        if next_state ~= state then
      meta:set_int("MV_EU_demand", machine_state_demand[next_state])
      meta:set_int("state", next_state)
        end
     end,
 })
register_MV_machine ("technic:mv_electric_furnace","RE")
register_MV_machine ("technic:mv_electric_furnace_active","RE")
technic.register_MV_machine ("technic:mv_electric_furnace","RE")
technic.register_MV_machine ("technic:mv_electric_furnace_active","RE")