Update to Minecraft 1.14-pre5

By: md_5 <git@md-5.net>

paper-server/nms-patches/ContainerGrindstone.patch

@@ -0,0 +1,63 @@
+--- a/net/minecraft/server/ContainerGrindstone.java
++++ b/net/minecraft/server/ContainerGrindstone.java
+@@ -4,9 +4,30 @@
+ import java.util.Map;
+ import java.util.Map.Entry;
+ import java.util.stream.Collectors;
++// CraftBukkit start
++import org.bukkit.Location;
++import org.bukkit.craftbukkit.inventory.CraftInventoryGrindstone;
++import org.bukkit.craftbukkit.inventory.CraftInventoryView;
++import org.bukkit.entity.Player;
++// CraftBukkit end
+ 
+ public class ContainerGrindstone extends Container {
+ 
++    // CraftBukkit start
++    private CraftInventoryView bukkitEntity = null;
++    private Player player;
++
++    @Override
++    public CraftInventoryView getBukkitView() {
++        if (bukkitEntity != null) {
++            return bukkitEntity;
++        }
++
++        CraftInventoryGrindstone inventory = new CraftInventoryGrindstone(this.craftInventory, this.resultInventory);
++        bukkitEntity = new CraftInventoryView(this.player, inventory, this);
++        return bukkitEntity;
++    }
++    // CraftBukkit end
+     private final IInventory resultInventory;
+     private final IInventory craftInventory;
+     private final ContainerAccess containerAccess;
+@@ -24,6 +45,13 @@
+                 super.update();
+                 ContainerGrindstone.this.a((IInventory) this);
+             }
++
++            // CraftBukkit start
++            @Override
++            public Location getLocation() {
++                return containeraccess.getLocation();
++            }
++            // CraftBukkit end
+         };
+         this.containerAccess = containeraccess;
+         this.a(new Slot(this.craftInventory, 0, 49, 19) {
+@@ -108,6 +136,7 @@
+             this.a(new Slot(playerinventory, j, 8 + j * 18, 142));
+         }
+ 
++        player = (Player) playerinventory.player.getBukkitEntity(); // CraftBukkit
+     }
+ 
+     @Override
+@@ -233,6 +262,7 @@
+ 
+     @Override
+     public boolean canUse(EntityHuman entityhuman) {
++        if (!this.checkReachable) return true; // CraftBukkit
+         return a(this.containerAccess, entityhuman, Blocks.GRINDSTONE);
+     }
+