Update to Minecraft 1.13-pre7

nms-patches/ContainerFurnace.patch

@@ -1,19 +1,19 @@
 --- a/net/minecraft/server/ContainerFurnace.java
 +++ b/net/minecraft/server/ContainerFurnace.java
-@@ -1,5 +1,10 @@
+@@ -1,6 +1,10 @@
  package net.minecraft.server;
  
+ import java.util.Iterator;
 +// CraftBukkit start
 +import org.bukkit.craftbukkit.inventory.CraftInventoryFurnace;
 +import org.bukkit.craftbukkit.inventory.CraftInventoryView;
 +// CraftBukkit end
-+
- public class ContainerFurnace extends Container {
  
-     private final IInventory furnace;
-@@ -8,11 +13,28 @@
-     private int h;
+ public class ContainerFurnace extends ContainerRecipeBook {
+ 
+@@ -11,12 +15,29 @@
      private int i;
+     private int j;
  
 +    // CraftBukkit start
 +    private CraftInventoryView bukkitEntity = null;
@@ -33,6 +33,7 @@
 +
      public ContainerFurnace(PlayerInventory playerinventory, IInventory iinventory) {
          this.furnace = iinventory;
+         this.f = playerinventory.player.world;
          this.a(new Slot(iinventory, 0, 56, 17));
          this.a((Slot) (new SlotFurnaceFuel(iinventory, 1, 56, 53)));
          this.a((Slot) (new SlotFurnaceResult(playerinventory.player, iinventory, 2, 116, 35)));
@@ -40,7 +41,7 @@
  
          int i;
  
-@@ -63,6 +85,7 @@
+@@ -95,6 +116,7 @@
      }
  
      public boolean canUse(EntityHuman entityhuman) {