Paper/nms-patches/CraftingManager.patch

--- ../work/decompile-8eb82bde//net/minecraft/server/CraftingManager.java	2014-11-28 11:22:55.842823165 +0000
+++ src/main/java/net/minecraft/server/CraftingManager.java	2014-11-28 11:01:54.000000000 +0000
@@ -8,10 +8,16 @@
 import java.util.Iterator;
 import java.util.List;
 
+import org.bukkit.craftbukkit.event.CraftEventFactory; // CraftBukkit
+
 public class CraftingManager {
 
     private static final CraftingManager a = new CraftingManager();
     public List recipes = Lists.newArrayList();
+    // CraftBukkit start
+    public IRecipe lastRecipe;
+    public org.bukkit.inventory.InventoryView lastCraftView;
+    // CraftBukkit end
 
     public static CraftingManager getInstance() {
         return CraftingManager.a;
@@ -166,8 +172,15 @@
         this.registerShapedRecipe(new ItemStack(Blocks.DAYLIGHT_DETECTOR), new Object[] { "GGG", "QQQ", "WWW", Character.valueOf('G'), Blocks.GLASS, Character.valueOf('Q'), Items.QUARTZ, Character.valueOf('W'), Blocks.WOODEN_SLAB});
         this.registerShapedRecipe(new ItemStack(Blocks.HOPPER), new Object[] { "I I", "ICI", " I ", Character.valueOf('I'), Items.IRON_INGOT, Character.valueOf('C'), Blocks.CHEST});
         this.registerShapedRecipe(new ItemStack(Items.ARMOR_STAND, 1), new Object[] { "///", " / ", "/_/", Character.valueOf('/'), Items.STICK, Character.valueOf('_'), new ItemStack(Blocks.STONE_SLAB, 1, EnumStoneSlabVariant.STONE.a())});
+        // Collections.sort(this.recipes, new RecipeSorter(this));  // CraftBukkit - moved below
+        sort();
+    }
+    
+    // CraftBukkit start
+    public void sort() {
         Collections.sort(this.recipes, new RecipeSorter(this));
     }
+    // CraftBukkit end
 
     public ShapedRecipes registerShapedRecipe(ItemStack itemstack, Object... aobject) {
         String s = "";
@@ -265,13 +278,18 @@
 
         do {
             if (!iterator.hasNext()) {
+                inventorycrafting.currentRecipe = null; // CraftBukkit - Clear recipe when no recipe is found
                 return null;
             }
 
             irecipe = (IRecipe) iterator.next();
-        } while (!irecipe.a(inventorycrafting, world));
-
-        return irecipe.a(inventorycrafting);
+        } while (!irecipe.a(inventorycrafting, world));        
+        
+        // CraftBukkit start - INVENTORY_PRE_CRAFT event
+        inventorycrafting.currentRecipe = irecipe;
+        ItemStack result = irecipe.a(inventorycrafting);
+        return CraftEventFactory.callPreCraftEvent(inventorycrafting, result, lastCraftView, false);
+        // CraftBukkit end
     }
 
     public ItemStack[] b(InventoryCrafting inventorycrafting, World world) {