Novatux
2014-07-02 aa8af0c8715a4492f43da3834e4f324c72b90b71
technic/machines/register/grinder.lua
@@ -1,159 +1,9 @@
local S = technic.getter
local tube = {
   insert_object = function(pos, node, stack, direction)
      local meta = minetest.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.get_meta(pos)
      local inv = meta:get_inventory()
      return inv:room_for_item("src", stack)
   end,
   connect_sides = {left=1, right=1, back=1, top=1, bottom=1},
}
function technic.register_grinder(data)
   local tier = data.tier
   local ltier = string.lower(tier)
   local groups = {cracky=2}
   local active_groups = {cracky=2, not_in_creative_inventory=1}
   if data.tube then
      groups.tubedevice = 1
      groups.tubedevice_receiver = 1
      active_groups.tubedevice = 1
      active_groups.tubedevice_receiver = 1
   end
   local 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;"..S("%s Grinder"):format(tier).."]"
   if data.upgrade then
      formspec = formspec..
         "list[current_name;upgrade1;1,4;1,1;]"..
         "list[current_name;upgrade2;2,4;1,1;]"..
         "label[1,5;"..S("Upgrade Slots").."]"
   end
   minetest.register_node("technic:"..ltier.."_grinder", {
      description = S("%s Grinder"):format(tier),
      tiles = {"technic_"..ltier.."_grinder_top.png",  "technic_"..ltier.."_grinder_bottom.png",
          "technic_"..ltier.."_grinder_side.png", "technic_"..ltier.."_grinder_side.png",
          "technic_"..ltier.."_grinder_side.png", "technic_"..ltier.."_grinder_front.png"},
      paramtype2 = "facedir",
      groups = groups,
      tube = data.tube and tube or nil,
      legacy_facedir_simple = true,
      sounds = default.node_sound_wood_defaults(),
      on_construct = function(pos)
         local node = minetest.get_node(pos)
         local meta = minetest.get_meta(pos)
         meta:set_string("infotext", S("%s Grinder"):format(tier))
         meta:set_int("tube_time",  0)
         meta:set_string("formspec", 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 = 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,
   })
   minetest.register_node("technic:"..ltier.."_grinder_active",{
      description = S("%s Grinder"):format(tier),
      tiles = {"technic_"..ltier.."_grinder_top.png",  "technic_"..ltier.."_grinder_bottom.png",
          "technic_"..ltier.."_grinder_side.png", "technic_"..ltier.."_grinder_side.png",
          "technic_"..ltier.."_grinder_side.png", "technic_"..ltier.."_grinder_front_active.png"},
      paramtype2 = "facedir",
      drop = "technic:"..ltier.."_grinder",
      groups = active_groups,
      legacy_facedir_simple = true,
      sounds = default.node_sound_wood_defaults(),
      tube = data.tube and tube or nil,
      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,
   })
   minetest.register_abm({
      nodenames = {"technic:"..ltier.."_grinder","technic:"..ltier.."_grinder_active"},
      interval = 1,
      chance   = 1,
      action = function(pos, node, active_object_count, active_object_count_wider)
         local meta     = minetest.get_meta(pos)
         local inv      = meta:get_inventory()
         local eu_input = meta:get_int(tier.."_EU_input")
         local machine_name   = S("%s Grinder"):format(tier)
         local machine_node   = "technic:"..ltier.."_grinder"
         local machine_demand = data.demand
         -- Setup meta data if it does not exist.
         if not eu_input then
            meta:set_int(tier.."_EU_demand", machine_demand[1])
            meta:set_int(tier.."_EU_input", 0)
            return
         end
         -- Power off automatically if no longer connected to a switching station
         technic.switching_station_timeout_count(pos, tier)
         local EU_upgrade, tube_upgrade = 0, 0
         if data.upgrade then
            EU_upgrade, tube_upgrade = technic.handle_machine_upgrades(meta)
         end
         if data.tube then
            technic.handle_machine_pipeworks(pos, tube_upgrade)
         end
         local result = technic.get_grinder_recipe(inv:get_stack("src", 1))
         if not result then
            technic.swap_node(pos, machine_node)
            meta:set_string("infotext", S("%s Idle"):format(machine_name))
            meta:set_int(tier.."_EU_demand", 0)
            return
         end
         if eu_input < machine_demand[EU_upgrade+1] then
            -- Unpowered - go idle
            technic.swap_node(pos, machine_node)
            meta:set_string("infotext", S("%s Unpowered"):format(machine_name))
         elseif eu_input >= machine_demand[EU_upgrade+1] then
            -- Powered
            technic.swap_node(pos, machine_node.."_active")
            meta:set_string("infotext", S("%s Active"):format(machine_name))
            meta:set_int("src_time", meta:get_int("src_time") + 1)
            if meta:get_int("src_time") >= result.time / data.speed then
               meta:set_int("src_time", 0)
               local result_stack = ItemStack(result.output)
               if inv:room_for_item("dst", result_stack) then
                  srcstack = inv:get_stack("src", 1)
                  srcstack:take_item()
                  inv:set_stack("src", 1, srcstack)
                  inv:add_item("dst", result_stack)
               end
            end
         end
         meta:set_int(tier.."_EU_demand", machine_demand[EU_upgrade+1])
      end
   })
   technic.register_machine(tier, "technic:"..ltier.."_grinder",        technic.receiver)
   technic.register_machine(tier, "technic:"..ltier.."_grinder_active", technic.receiver)
end -- End registration
   data.typename = "grinding"
   data.machine_name = "grinder"
   data.machine_desc = S("%s Grinder")
   technic.register_base_machine(data)
end