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.itemID)
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.itemID)
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    }