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, 32767), 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 itemstack = null; 029 030 for (int i = 0; i < par1InventoryCrafting.getSizeInventory() && itemstack == null; ++i) 031 { 032 ItemStack itemstack1 = par1InventoryCrafting.getStackInSlot(i); 033 034 if (itemstack1 != null && itemstack1.itemID == Item.map.itemID) 035 { 036 itemstack = itemstack1; 037 } 038 } 039 040 if (itemstack == null) 041 { 042 return false; 043 } 044 else 045 { 046 MapData mapdata = Item.map.getMapData(itemstack, par2World); 047 return mapdata == null ? false : mapdata.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 itemstack = null; 058 059 for (int i = 0; i < par1InventoryCrafting.getSizeInventory() && itemstack == null; ++i) 060 { 061 ItemStack itemstack1 = par1InventoryCrafting.getStackInSlot(i); 062 063 if (itemstack1 != null && itemstack1.itemID == Item.map.itemID) 064 { 065 itemstack = itemstack1; 066 } 067 } 068 069 itemstack = itemstack.copy(); 070 itemstack.stackSize = 1; 071 072 if (itemstack.getTagCompound() == null) 073 { 074 itemstack.setTagCompound(new NBTTagCompound()); 075 } 076 077 itemstack.getTagCompound().setBoolean("map_is_scaling", true); 078 return itemstack; 079 } 080}