001package net.minecraft.item.crafting;
002
003import net.minecraft.inventory.InventoryCrafting;
004import net.minecraft.item.Item;
005import net.minecraft.item.ItemStack;
006import net.minecraft.nbt.NBTTagCompound;
007import net.minecraft.world.World;
008import net.minecraft.world.storage.MapData;
009
010public 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}