SPIGOT-4961: Cannot open various inventories

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

paper-server/nms-patches/TileEntityLectern.patch

@@ -1,6 +1,6 @@
 --- a/net/minecraft/server/TileEntityLectern.java
 +++ b/net/minecraft/server/TileEntityLectern.java
-@@ -1,10 +1,61 @@
+@@ -1,10 +1,63 @@
  package net.minecraft.server;
  
  import javax.annotation.Nullable;
@@ -18,9 +18,11 @@
  
 -public class TileEntityLectern extends TileEntity implements Clearable, ITileInventory {
 +public class TileEntityLectern extends TileEntity implements Clearable, ITileInventory, ICommandListener { // CraftBukkit - ICommandListener
- 
-     public final IInventory inventory = new IInventory() {
-+        // CraftBukkit start - add fields and methods
++
++    // CraftBukkit start - add fields and methods
++    public final IInventory inventory = new LecternInventory();
++    public class LecternInventory implements IInventory {
++
 +        public List<HumanEntity> transaction = new ArrayList<>();
 +        private int maxStack = 1;
 +
@@ -59,11 +61,12 @@
 +            return (Lectern) CraftBlock.at(world, position).getState();
 +        }
 +        // CraftBukkit end
-+
+ 
+-    public final IInventory inventory = new IInventory() {
          @Override
          public int getSize() {
              return 1;
-@@ -49,11 +100,18 @@
+@@ -49,11 +102,18 @@
          }
  
          @Override
@@ -84,7 +87,7 @@
          }
  
          @Override
-@@ -158,6 +216,32 @@
+@@ -158,6 +218,32 @@
          return itemstack;
      }
  
@@ -117,7 +120,7 @@
      private CommandListenerWrapper a(@Nullable EntityHuman entityhuman) {
          String s;
          Object object;
-@@ -172,7 +256,8 @@
+@@ -172,7 +258,8 @@
  
          Vec3D vec3d = new Vec3D((double) this.position.getX() + 0.5D, (double) this.position.getY() + 0.5D, (double) this.position.getZ() + 0.5D);
  
@@ -127,7 +130,7 @@
      }
  
      @Override
-@@ -206,7 +291,7 @@
+@@ -206,7 +293,7 @@
  
      @Override
      public Container createMenu(int i, PlayerInventory playerinventory, EntityHuman entityhuman) {