    001    package net.minecraft.item.crafting;
    002
    003    import net.minecraft.inventory.InventoryCrafting;
    004    import net.minecraft.item.Item;
    005    import net.minecraft.item.ItemStack;
    006    import net.minecraft.nbt.NBTTagCompound;
    007    import net.minecraft.world.World;
    008    import net.minecraft.world.storage.MapData;
    009
    010    public class RecipesMapExtending extends ShapedRecipes
    011    {
    012        public RecipesMapExtending()
    013        {
    014            super(3, 3, new ItemStack[] {new ItemStack(Item.paper), new ItemStack(Item.paper), new ItemStack(Item.paper), new ItemStack(Item.paper), new ItemStack(Item.map, 0, -1), new ItemStack(Item.paper), new ItemStack(Item.paper), new ItemStack(Item.paper), new ItemStack(Item.paper)}, new ItemStack(Item.emptyMap, 0, 0));
    015        }
    016
    017        /**
    018         * Used to check if a recipe matches current crafting inventory
    019         */
    020        public boolean matches(InventoryCrafting par1InventoryCrafting, World par2World)
    021        {
    022            if (!super.matches(par1InventoryCrafting, par2World))
    023            {
    024                return false;
    025            }
    026            else
    027            {
    028                ItemStack var3 = null;
    029
    030                for (int var4 = 0; var4 < par1InventoryCrafting.getSizeInventory() && var3 == null; ++var4)
    031                {
    032                    ItemStack var5 = par1InventoryCrafting.getStackInSlot(var4);
    033
    034                    if (var5 != null && var5.itemID == Item.map.shiftedIndex)
    035                    {
    036                        var3 = var5;
    037                    }
    038                }
    039
    040                if (var3 == null)
    041                {
    042                    return false;
    043                }
    044                else
    045                {
    046                    MapData var6 = Item.map.getMapData(var3, par2World);
    047                    return var6 == null ? false : var6.scale < 4;
    048                }
    049            }
    050        }
    051
    052        /**
    053         * Returns an Item that is the result of this recipe
    054         */
    055        public ItemStack getCraftingResult(InventoryCrafting par1InventoryCrafting)
    056        {
    057            ItemStack var2 = null;
    058
    059            for (int var3 = 0; var3 < par1InventoryCrafting.getSizeInventory() && var2 == null; ++var3)
    060            {
    061                ItemStack var4 = par1InventoryCrafting.getStackInSlot(var3);
    062
    063                if (var4 != null && var4.itemID == Item.map.shiftedIndex)
    064                {
    065                    var2 = var4;
    066                }
    067            }
    068
    069            var2 = var2.copy();
    070            var2.stackSize = 1;
    071
    072            if (var2.getTagCompound() == null)
    073            {
    074                var2.setTagCompound(new NBTTagCompound());
    075            }
    076
    077            var2.getTagCompound().setBoolean("map_is_scaling", true);
    078            return var2;
    079        }
    080    }