Merge pull request #76 from kol0/patch-2

sdzen

2013-08-07 df644d7f7736fce4e92a75d53f44b3df6671ceeb

 unified_inventory/api.lua

@@ -10,6 +10,8 @@
unified_inventory.activefilter = {}
unified_inventory.alternate = {}
unified_inventory.current_item = {}
unified_inventory.crafts_table ={}
unified_inventory.crafts_table_count=0

-- default inventory page
unified_inventory.default = "craft"
@@ -20,14 +22,32 @@
unified_inventory.home_filename = minetest.get_worldpath()..'/unified_inventory_home'

-- Create detached creative inventory after loading all mods
-- Also 2nd attempt to disable default creative mod
minetest.after(0.01, function()
	
   if creative_inventory then 
      creative_inventory.set_creative_formspec = function(player, start_i, pagenum)
      return
      end
   end

   unified_inventory.items_list = {}
   for name,def in pairs(minetest.registered_items) do
      if (not def.groups.not_in_creative_inventory or def.groups.not_in_creative_inventory == 0)
            and def.description and def.description ~= "" then
         table.insert(unified_inventory.items_list, name)
         local recipes=minetest.get_all_craft_recipes(name)
         if unified_inventory.crafts_table[name]==nil then
            unified_inventory.crafts_table[name] = {}
         end
         if recipes then 
            for i=1,#recipes,1 do
               table.insert(unified_inventory.crafts_table[name],recipes[i])
            end
         end
      end
   end
   --print(dump(unified_inventory.crafts_table))
   table.sort(unified_inventory.items_list)
   unified_inventory.items_list_size = #unified_inventory.items_list
   print ("Unified Inventory. inventory size: "..unified_inventory.items_list_size)
@@ -36,19 +56,18 @@
-- register_on_joinplayer
minetest.register_on_joinplayer(function(player)
   local player_name = player:get_player_name()
   table.insert(unified_inventory.players, player_name)
   unified_inventory.players["sound_volume"]=minetest.setting_get("sound_volume")*10
   unified_inventory.players[player_name]={}
   unified_inventory.current_index[player_name] = 1
   unified_inventory.filtered_items_list[player_name] = {}
   unified_inventory.filtered_items_list[player_name] = unified_inventory.items_list
   unified_inventory.filtered_items_list_size[player_name]=unified_inventory.items_list_size
   unified_inventory.activefilter[player_name]=""
   unified_inventory.apply_filter(player_name, "")
   unified_inventory.apply_filter(player, "")
   unified_inventory.alternate[player_name] = 1
   unified_inventory.current_item[player_name] =nil
   unified_inventory.set_inventory_formspec(player,unified_inventory.get_formspec(player, unified_inventory.default))

--crafting guide inventories	
	
--crafting guide inventories
local inv = minetest.create_detached_inventory(player:get_player_name().."craftrecipe",{
   allow_put = function(inv, listname, index, stack, player)
      return 0
@@ -64,8 +83,8 @@
         return 0
      end,
   })
   inv:set_size("output", 1)
   inv:set_size("build", 3*3)
inv:set_size("output", 1)
inv:set_size("build", 3*3)

-- refill slot
unified_inventory.refill = minetest.create_detached_inventory(player_name.."refill", {
@@ -78,10 +97,10 @@
   end,
   on_put = function(inv, listname, index, stack, player)
      inv:set_stack(listname, index, ItemStack(stack:get_name().." "..stack:get_stack_max()))
      minetest.sound_play("electricity", {to_player=player_name, gain = 1.0})
   end,
})
unified_inventory.refill:set_size("main", 1)
end)

-- trash slot
unified_inventory.trash = minetest.create_detached_inventory("trash", {
@@ -94,27 +113,23 @@
   end,
   on_put = function(inv, listname, index, stack, player)
      inv:set_stack(listname, index, nil)
      local player_name=player:get_player_name()
      minetest.sound_play("trash", {to_player=player_name, gain = 1.0})
   end,
})
unified_inventory.trash:set_size("main", 1)
end)

-- set_inventory_formspec
unified_inventory.set_inventory_formspec = function(player,formspec)
   if player then
      if minetest.setting_getbool("creative_mode") then
         -- if creative mode is on then wait a bit
         minetest.after(0.01,function()
         player:set_inventory_formspec(formspec)
         end)
      else
      player:set_inventory_formspec(formspec)
      end
   end
end

-- get_formspec
unified_inventory.get_formspec = function(player,page)
   if player==nil then   return "" end
   if player==nil then return "" end
   local player_name = player:get_player_name()
   unified_inventory.current_page[player_name]=page
   
@@ -123,24 +138,59 @@
   -- player inventory
   formspec = formspec .. "list[current_player;main;0,4.5;8,4;]"

   -- main buttons
      formspec = formspec .. "button[0,9;1.8,.5;craft;Craft]"
      formspec = formspec .. "button[1.6,9;1.8,.5;craftguide;Craft Guide]"
      formspec = formspec .. "button[3.2,9;1.8,.5;bags;Bags]"
      formspec = formspec .. "button[4.8,9;1.8,.5;misc;Misc.]"
   -- backgrounds
      formspec = formspec .. "background[-0.19,-0.2;14.38,10.55;ui_form_bg.png]"
   if page=="craft" then
      formspec = formspec .. "background[0.06,0.99;7.92,7.52;ui_crafting_form.png]"
      end
   if page=="craftguide" then
      formspec = formspec .. "background[0.06,0.99;7.92,7.52;ui_craftguide_form.png]"
      end
   if page=="misc" then
      formspec = formspec .. "background[0.06,0.99;7.92,7.52;ui_misc_form.png]"
      end
   if page=="bags" then
      formspec = formspec .. "background[0.06,0.99;7.92,7.52;ui_bags_main_form.png]"
      end

   for i=1,4 do
      if page=="bag"..i then
         local slots = player:get_inventory():get_stack(page, 1):get_definition().groups.bagslots
         if slots == 8 then
            formspec = formspec .. "background[0.06,0.99;7.92,7.52;ui_bags_sm_form.png]"
         elseif slots == 16 then
            formspec = formspec .. "background[0.06,0.99;7.92,7.52;ui_bags_med_form.png]"
         elseif slots == 24 then
            formspec = formspec .. "background[0.06,0.99;7.92,7.52;ui_bags_lg_form.png]"
         end
      end
   end

   -- main buttons
      local start_x=0
      formspec = formspec .. "image_button["..(start_x+.65*0)..",9;.8,.8;ui_craft_icon.png;craft;]"
      formspec = formspec .. "image_button["..(start_x+.65*1)..",9;.8,.8;ui_craftguide_icon.png;craftguide;]"
      formspec = formspec .. "image_button["..(start_x+.65*2)..",9;.8,.8;ui_bags_icon.png;bags;]"
      formspec = formspec .. "image_button["..(start_x+.65*3)..",9;.8,.8;ui_sethome_icon.png;home_gui_set;]"
      formspec = formspec .. "image_button["..(start_x+.65*4)..",9;.8,.8;ui_gohome_icon.png;home_gui_go;]"
      if minetest.setting_getbool("creative_mode") then
      formspec = formspec .. "image_button["..(start_x+.65*5)..",9;.8,.8;ui_sun_icon.png;misc_set_day;]"
      formspec = formspec .. "image_button["..(start_x+.65*6)..",9;.8,.8;ui_moon_icon.png;misc_set_night;]"
      formspec = formspec .. "image_button["..(start_x+.65*7)..",9;.8,.8;ui_trash_icon.png;clear_inv;]"
      end
		
   --controls to flip items pages
      local start_x=9.2
      formspec = formspec .. "button["..(start_x+.6*0)..",9;.8,.5;start_list;|<]"
      formspec = formspec .. "button["..(start_x+.6*1)..",9;.8,.5;rewind3;<<]"
      formspec = formspec .. "button["..(start_x+.6*2)..",9;.8,.5;rewind1;<]"
      formspec = formspec .. "button["..(start_x+.6*3)..",9;.8,.5;forward1;>]"
      formspec = formspec .. "button["..(start_x+.6*4)..",9;.8,.5;forward3;>>]"
      formspec = formspec .. "button["..(start_x+.6*5)..",9;.8,.5;end_list;>|]"
	
      start_x=9.2
      formspec = formspec .. "image_button["..(start_x+.6*0)..",9;.8,.8;ui_skip_backward_icon.png;start_list;]"
      formspec = formspec .. "image_button["..(start_x+.6*1)..",9;.8,.8;ui_doubleleft_icon.png;rewind3;]"
      formspec = formspec .. "image_button["..(start_x+.6*2)..",9;.8,.8;ui_left_icon.png;rewind1;]"
      formspec = formspec .. "image_button["..(start_x+.6*3)..",9;.8,.8;ui_right_icon.png;forward1;]"
      formspec = formspec .. "image_button["..(start_x+.6*4)..",9;.8,.8;ui_doubleright_icon.png;forward3;]"
      formspec = formspec .. "image_button["..(start_x+.6*5)..",9;.8,.8;ui_skip_forward_icon.png;end_list;]"
		
   -- search box
      formspec = formspec .. "field[9.195,8.325;3,1;searchbox;;]"
      formspec = formspec .. "button[12,8;1.2,1;searchbutton;Search]"
      formspec = formspec .. "field[9.5,8.325;3,1;searchbox;;]"
      formspec = formspec .. "image_button[12.2,8.1;.8,.8;ui_search_icon.png;searchbutton;]"

   -- craft page
   if page=="craft" then
@@ -168,9 +218,9 @@
         formspec = formspec.."label[2,0;"..item_name.."]"   
         local alternates = 0
         local alternate = unified_inventory.alternate[player_name]
         local crafts = crafts_table[item_name]
         local crafts = unified_inventory.crafts_table[item_name]

         if crafts ~= nil then
         if crafts ~= nil and #crafts>0 then
            alternates = #crafts
            local craft = crafts[alternate]
            local method = "Crafting"
@@ -188,7 +238,13 @@
            end   
            if craft.type == "alloy" then
            method="Alloy cooking"
            end	
            end
            if craft.type == "extracting" then
            method="Extracting"
            end
            if craft.type == "compressing" then
            method="Compressing"
            end		
            formspec = formspec.."label[6,3;"..method.."]"
         end
         
@@ -220,26 +276,6 @@
      end
   end

   -- Miscellaneous
   if page=="misc" then
      formspec = formspec.."label[0,0;Miscellaneous]"
      formspec=formspec.."button[0,1;2,0.5;home_gui_set;Set Home]"
      formspec=formspec.."button_exit[2,1;2,0.5;home_gui_go;Go Home]"
      local home = homepos[player_name]
      if home ~= nil then
      formspec = formspec
         formspec=formspec.."label[4,.9;Home set to:]"
         formspec=formspec.."label[5.7,.9;("..math.floor(home.x)..","..math.floor(home.y)..","..math.floor(home.z)..")]"
      end	
      if minetest.setting_getbool("creative_mode") then
         formspec=formspec.."button[0,2;2,0.5;misc_set_day;Set Day]"
         formspec=formspec.."button[2,2;2,0.5;misc_set_night;Set Night]"
      end
      formspec = formspec.."label[0,3;Sound volume: "..unified_inventory.players["sound_volume"].."]"
      formspec=formspec.."button[2.5,3;1,0.5;misc_vol_down;-]"
      formspec=formspec.."button[3.5,3;1,0.5;misc_vol_up;+]"
   end

   --Items list
   local list_index=unified_inventory.current_index[player_name]
   local page=math.floor(list_index / (80) + 1)
@@ -265,28 +301,26 @@
-- register_on_player_receive_fields
minetest.register_on_player_receive_fields(function(player, formname, fields)
   local player_name = player:get_player_name()
	

   -- main buttons
   if fields.craft then
      unified_inventory.set_inventory_formspec(player, unified_inventory.get_formspec(player,"craft"))
      minetest.sound_play("click", {to_player=player_name, gain = 0.1})
      return
   end
	

   if fields.craftguide then
      unified_inventory.set_inventory_formspec(player, unified_inventory.get_formspec(player,"craftguide"))
      minetest.sound_play("click", {to_player=player_name, gain = 0.1})
      return
   end
	

   if fields.bags then
      unified_inventory.set_inventory_formspec(player, unified_inventory.get_formspec(player,"bags"))
      minetest.sound_play("click", {to_player=player_name, gain = 0.1})
      return
   end
	
   if fields.misc then
      unified_inventory.set_inventory_formspec(player, unified_inventory.get_formspec(player,"misc"))
      return
   end
	

   -- bags
   for i=1,4 do
      local page = "bag"..i
@@ -295,21 +329,28 @@
            page = "bags"
         end
         unified_inventory.set_inventory_formspec(player, unified_inventory.get_formspec(player,page))
         minetest.sound_play("click", {to_player=player_name, gain = 0.1})
         return
      end
   end
	

   -- Miscellaneous
   if fields.home_gui_set then
      unified_inventory.set_inventory_formspec(player, unified_inventory.get_formspec(player,"misc"))
      unified_inventory.set_home(player, player:getpos())
      local home = homepos[player_name]
      if home ~= nil then
         minetest.sound_play("dingdong", {to_player=player_name, gain = 1.0})
         minetest.chat_send_player(player_name, "Home position set to: "..math.floor(home.x)..","..math.floor(home.y)..","..math.floor(home.z))
      end
   end
   if fields.home_gui_go then
      unified_inventory.set_inventory_formspec(player, unified_inventory.get_formspec(player,"craft"))
      minetest.sound_play("teleport", {to_player=player_name, gain = 1.0})
      unified_inventory.go_home(player)
   end
   if fields.misc_set_day then
      if minetest.get_player_privs(player_name).settime==true then 
      minetest.sound_play("birds", {to_player=player_name, gain = 1.0})
      minetest.env:set_timeofday((6000 % 24000) / 24000)
      minetest.chat_send_player(player_name, "Time of day set to 6am")
      else
@@ -318,27 +359,19 @@
   end
   if fields.misc_set_night then
      if minetest.get_player_privs(player_name).settime==true then    
      minetest.sound_play("owl", {to_player=player_name, gain = 1.0})
      minetest.env:set_timeofday((21000 % 24000) / 24000)
      minetest.chat_send_player(player_name, "Time of day set to 9pm")
      else
      minetest.chat_send_player(player_name, "You don't have settime priviledge!")   
      end   
   end
   if fields.misc_vol_down then
      local sound_volume=unified_inventory.players["sound_volume"]
      sound_volume=sound_volume-1
      if sound_volume<0 then sound_volume=0 end
      minetest.setting_set("sound_volume",sound_volume/10)
      unified_inventory.players["sound_volume"]=sound_volume
      unified_inventory.set_inventory_formspec(player, unified_inventory.get_formspec(player,"misc"))
   end
   if fields.misc_vol_up then
      local sound_volume=unified_inventory.players["sound_volume"]
      sound_volume=sound_volume+1
      if sound_volume>10 then sound_volume=10 end
      minetest.setting_set("sound_volume",sound_volume/10)
      unified_inventory.players["sound_volume"]=sound_volume
      unified_inventory.set_inventory_formspec(player, unified_inventory.get_formspec(player,"misc"))

   if fields.clear_inv then
      local inventory = {}
      player:get_inventory():set_list("main", inventory)
      minetest.chat_send_player(player_name, 'Inventory Cleared!')
      minetest.sound_play("trash_all", {to_player=player_name, gain = 1.0})
   end
   
   -- Inventory page controls
@@ -347,21 +380,27 @@
   local pagemax = math.floor((unified_inventory.filtered_items_list_size[player_name]-1) / (80) + 1)
   
   if fields.start_list then
      minetest.sound_play("paperflip1", {to_player=player_name, gain = 1.0})
      start_i = 1
   end
   if fields.rewind1 then
      minetest.sound_play("paperflip1", {to_player=player_name, gain = 1.0})
      start_i = start_i - 1
   end
   if fields.forward1 then
      minetest.sound_play("paperflip1", {to_player=player_name, gain = 1.0})
      start_i = start_i + 1
   end
   if fields.rewind3 then
      minetest.sound_play("paperflip1", {to_player=player_name, gain = 1.0})
      start_i = start_i - 3
   end
   if fields.forward3 then
      minetest.sound_play("paperflip1", {to_player=player_name, gain = 1.0})
      start_i = start_i + 3
   end
   if fields.end_list then
      minetest.sound_play("paperflip1", {to_player=player_name, gain = 1.0})
      start_i = pagemax
   end
   if start_i < 1 then
@@ -381,10 +420,11 @@
   for i=0,80,1 do
      local button="item_button"..list_index
      if fields[button] then 
         minetest.sound_play("click", {to_player=player_name, gain = 0.1})
         if minetest.setting_getbool("creative_mode")==false then
            unified_inventory.set_inventory_formspec(player, unified_inventory.get_formspec(player,"craftguide"))
            page="craftguide"
            end			
            end
         if page=="craftguide" then 
            unified_inventory.current_item[player_name] = unified_inventory.filtered_items_list[player_name][list_index] 
            unified_inventory.alternate[player_name] = 1
@@ -406,17 +446,19 @@
   end
   
   if fields.searchbutton then
      unified_inventory.apply_filter(player_name, fields.searchbox)
      unified_inventory.apply_filter(player, fields.searchbox)
      unified_inventory.set_inventory_formspec(player, unified_inventory.get_formspec(player,unified_inventory.current_page[player_name]))
      minetest.sound_play("paperflip2", {to_player=player_name, gain = 1.0})
   end   
   
   -- alternate button
   if fields.alternate then
      minetest.sound_play("click", {to_player=player_name, gain = 0.1})
      local item_name=unified_inventory.current_item[player_name]
      if item_name then
         local alternates = 0
         local alternate=unified_inventory.alternate[player_name]
         local crafts = crafts_table[item_name]
         local crafts = unified_inventory.crafts_table[item_name]
         if crafts ~= nil then
            alternates = #crafts
         end
@@ -456,7 +498,8 @@

-- set_home
unified_inventory.set_home = function(player, pos)
   homepos[player:get_player_name()] = pos
   local player_name=player:get_player_name()
   homepos[player_name] = pos
   -- save the home data from the table to the file
   local output = io.open(unified_inventory.home_filename..".home", "w")
   for k, v in pairs(homepos) do
@@ -476,9 +519,17 @@
end

--apply filter to the inventory list (create filtered copy of full one)
unified_inventory.apply_filter = function(player_name,filter)
unified_inventory.apply_filter = function(player,filter)
   local player_name = player:get_player_name() 
   local size=0
   local str_temp1=string.lower(filter)
   if str_temp1 ~= "" then 
      for i=1,str_temp1:len(),1 do
         if string.byte(str_temp1,i) == 91 then 
            str_temp1=""
            end
         end
   end
   local str_temp2
   local str_temp3
   unified_inventory.filtered_items_list[player_name]={}
@@ -504,134 +555,68 @@

-- update_recipe
unified_inventory.update_recipe = function(player, stack_name, alternate)
   --print("Lookup:"..stack_name)
   local inv = minetest.get_inventory({type="detached", name=player:get_player_name().."craftrecipe"})   
   for i=0,inv:get_size("build"),1 do
      inv:set_stack("build", i, nil)
   end
   inv:set_stack("cook", 1, nil)
   inv:set_stack("fuel", 1, nil)

   inv:set_stack("output", 1, stack_name)
   local def
   inv:set_stack("output", 1, nil)
   alternate = tonumber(alternate) or 1
   local crafts = crafts_table[stack_name]
   if crafts == nil then
      --minetest.chat_send_player(player:get_player_name(), "no recipe available for "..stack_name)
      return
   end
   local crafts = unified_inventory.crafts_table[stack_name]
   print(dump(crafts))
   local next=next
   if next(crafts) == nil then return end -- no craft recipes
   if alternate < 1 or alternate > #crafts then
      alternate = 1
   end
   local craft = crafts[alternate]
   --print (dump(craft))
   --minetest.chat_send_player(player:get_player_name(), "recipe for "..stack_name..": "..dump(craft))
	
   local itemstack = ItemStack(craft.output)
   inv:set_stack("output", 1, itemstack)
   inv:set_stack("output", 1, craft.output)
   local items=craft.items

   -- cook, fuel, grinding recipes
   if craft.type == "cooking" or craft.type == "fuel" or craft.type == "grinding" then
      def=unified_inventory.find_item_def(craft.recipe)
   -- cooking, fuel, grinding, and extracting recipes
   if craft.type == "cooking" or
      craft.type == "fuel" or
      craft.type == "grinding" or
      craft.type == "extracting" or
      craft.type == "compressing" then
      def=unified_inventory.find_item_def(craft["items"][1])
      if def then
         inv:set_stack("build", 1, def)
      end
      return 
   end
	
   -- build (shaped or shapeless)
   if craft.recipe[1] then
      def=unified_inventory.find_item_def(craft.recipe[1])
      if def then
         inv:set_stack("build", 1, def)
      else
         def=unified_inventory.find_item_def(craft.recipe[1][1])
         if def then
            inv:set_stack("build", 1, def)
         end
         def=unified_inventory.find_item_def(craft.recipe[1][2])
         if def then
            inv:set_stack("build", 2, def)
         end
         def=unified_inventory.find_item_def(craft.recipe[1][3])
         if def then
            inv:set_stack("build", 3, def)
         end
   if craft.width==0 then
   local build_table={1,2,3}
   for i=1,3,1 do
      if craft.items[i] then
         def=unified_inventory.find_item_def(craft.items[i])
         if def then inv:set_stack("build", build_table[i], def) end
      end
   end
   if craft.recipe[2] then
      def=unified_inventory.find_item_def(craft.recipe[2])
      if def then
         inv:set_stack("build", 2, def)
      else
         def=unified_inventory.find_item_def(craft.recipe[2][1])
         if def then
            inv:set_stack("build", 4, def)
   end
   if craft.width==1 then
   local build_table={1,4,7}
   for i=1,3,1 do
      if craft.items[i] then
         def=unified_inventory.find_item_def(craft.items[i])
         if def then inv:set_stack("build", build_table[i], def) end
      end
   end
   end
   if craft.width==2 then
   local build_table={1,2,4,5,7,8}
   for i=1,6,1 do
      if craft.items[i] then
         def=unified_inventory.find_item_def(craft.items[i])
         if def then inv:set_stack("build", build_table[i], def) end
      end
   end
   end
   if craft.width==3 then
      for i=1,9,1 do
         if craft.items[i] then
            def=unified_inventory.find_item_def(craft.items[i])
            if def then inv:set_stack("build", i, def) end
         end
         def=unified_inventory.find_item_def(craft.recipe[2][2])
         if def then
            inv:set_stack("build", 5, def)
         end
         def=unified_inventory.find_item_def(craft.recipe[2][3])
         if def then
            inv:set_stack("build", 6, def)
         end
      end
   end
	
   if craft.recipe[3] then
      def=unified_inventory.find_item_def(craft.recipe[3])
      if def then
         inv:set_stack("build", 3, def)
      else
         def=unified_inventory.find_item_def(craft.recipe[3][1])
         if def then
            inv:set_stack("build", 7, def)
         end
         def=unified_inventory.find_item_def(craft.recipe[3][2])
         if def then
            inv:set_stack("build", 8, def)
         end
         def=unified_inventory.find_item_def(craft.recipe[3][3])
         if def then
            inv:set_stack("build", 9, def)
         end
      end
   end
   if craft.recipe[4] then
      def=unified_inventory.find_item_def(craft.recipe[4])
      if def then
         inv:set_stack("build", 4, def)
      end
   end
   if craft.recipe[5] then
      def=unified_inventory.find_item_def(craft.recipe[5])
      if def then
         inv:set_stack("build", 5, def)
      end
   end
   if craft.recipe[6] then
      def=unified_inventory.find_item_def(craft.recipe[6])
      if def then
         inv:set_stack("build", 6, def)
      end
   end
   if craft.recipe[7] then
      def=unified_inventory.find_item_def(craft.recipe[7])
      if def then
         inv:set_stack("build", 7, def)
      end
   end
   if craft.recipe[8] then
      def=unified_inventory.find_item_def(craft.recipe[8])
      if def then
         inv:set_stack("build", 8, def)
      end
   end
   if craft.recipe[9] then
      def=unified_inventory.find_item_def(craft.recipe[9])
      if def then
         inv:set_stack("build", 9, def)
      end
   end
end
@@ -641,14 +626,39 @@
   if string.find(def1, "group:") then
      def1=string.gsub(def1, "group:", "")
      def1=string.gsub(def1, '\"', "")
      for name,def in pairs(minetest.registered_items) do
            if def.groups[def1] == 1 and def.groups.not_in_creative_inventory ~= 1 then
               return def
            end
      end
      local items=unified_inventory.items_in_group(def1)
      return items[1]
   else
   return def1
      return def1
   end
end
return nil
end

unified_inventory.items_in_group = function(group)
   local items = {}
   for name, item in pairs(minetest.registered_items) do
      for _, g in ipairs(group:split(',')) do
         if item.groups[g] then
            table.insert(items,name)
         end
      end
   end
   return items
end

-- register_craft
unified_inventory.register_craft = function(options)
   if  options.output == nil then
      return
   end
   local itemstack = ItemStack(options.output)
   if itemstack:is_empty() then
      return
   end
   if unified_inventory.crafts_table[itemstack:get_name()]==nil then
      unified_inventory.crafts_table[itemstack:get_name()] = {}
   end
   table.insert(unified_inventory.crafts_table[itemstack:get_name()],options)
   --crafts_table_count=crafts_table_count+1
end