Fix crash with juke boxes

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

paper-server/nms-patches/net/minecraft/world/level/block/entity/TileEntityJukeBox.patch

@@ -0,0 +1,68 @@
+--- a/net/minecraft/world/level/block/entity/TileEntityJukeBox.java
++++ b/net/minecraft/world/level/block/entity/TileEntityJukeBox.java
+@@ -24,6 +24,13 @@
+ import net.minecraft.world.phys.Vec3D;
+ import net.minecraft.world.ticks.ContainerSingleItem;
+ 
++// CraftBukkit start
++import java.util.List;
++import org.bukkit.Location;
++import org.bukkit.craftbukkit.entity.CraftHumanEntity;
++import org.bukkit.entity.HumanEntity;
++// CraftBukkit end
++
+ public class TileEntityJukeBox extends TileEntity implements Clearable, ContainerSingleItem {
+ 
+     private static final int SONG_END_PADDING = 20;
+@@ -32,6 +39,42 @@
+     private long tickCount;
+     private long recordStartedTick;
+     private boolean isPlaying;
++    // CraftBukkit start - add fields and methods
++    public List<HumanEntity> transaction = new java.util.ArrayList<HumanEntity>();
++    private int maxStack = MAX_STACK;
++    public boolean opened;
++
++    @Override
++    public List<ItemStack> getContents() {
++        return this.items;
++    }
++
++    @Override
++    public void onOpen(CraftHumanEntity who) {
++        transaction.add(who);
++    }
++
++    @Override
++    public void onClose(CraftHumanEntity who) {
++        transaction.remove(who);
++    }
++
++    @Override
++    public List<HumanEntity> getViewers() {
++        return transaction;
++    }
++
++    @Override
++    public void setMaxStackSize(int size) {
++        maxStack = size;
++    }
++
++    @Override
++    public Location getLocation() {
++        if (level == null) return null;
++        return new org.bukkit.Location(level.getWorld(), worldPosition.getX(), worldPosition.getY(), worldPosition.getZ());
++    }
++    // CraftBukkit end
+ 
+     public TileEntityJukeBox(BlockPosition blockposition, IBlockData iblockdata) {
+         super(TileEntityTypes.JUKEBOX, blockposition, iblockdata);
+@@ -150,7 +193,7 @@
+ 
+     @Override
+     public int getMaxStackSize() {
+-        return 1;
++        return maxStack; // CraftBukkit
+     }
+ 
+     @Override

paper-server/nms-patches/net/minecraft/world/level/block/entity/TileEntityLectern.patch

@@ -1,6 +1,6 @@
 --- a/net/minecraft/world/level/block/entity/TileEntityLectern.java
 +++ b/net/minecraft/world/level/block/entity/TileEntityLectern.java
-@@ -25,13 +25,71 @@
+@@ -25,13 +25,72 @@
  import net.minecraft.world.phys.Vec2F;
  import net.minecraft.world.phys.Vec3D;
  
@@ -58,6 +58,7 @@
 +
 +        @Override
 +        public Location getLocation() {
++            if (level == null) return null;
 +            return new Location(level.getWorld(), worldPosition.getX(), worldPosition.getY(), worldPosition.getZ());
 +        }
 +
@@ -74,7 +75,7 @@
          @Override
          public int getContainerSize() {
              return 1;
-@@ -76,11 +134,20 @@
+@@ -76,11 +135,20 @@
          }
  
          @Override
@@ -97,7 +98,7 @@
          }
  
          @Override
-@@ -160,7 +227,7 @@
+@@ -160,7 +228,7 @@
          if (j != this.page) {
              this.page = j;
              this.setChanged();
@@ -106,7 +107,7 @@
          }
  
      }
-@@ -183,6 +250,32 @@
+@@ -183,6 +251,32 @@
          return itemstack;
      }
  
@@ -139,7 +140,7 @@
      private CommandListenerWrapper createCommandSourceStack(@Nullable EntityHuman entityhuman) {
          String s;
          Object object;
-@@ -197,7 +290,8 @@
+@@ -197,7 +291,8 @@
  
          Vec3D vec3d = Vec3D.atCenterOf(this.worldPosition);
  
@@ -149,7 +150,7 @@
      }
  
      @Override
-@@ -235,7 +329,7 @@
+@@ -235,7 +330,7 @@
  
      @Override
      public Container createMenu(int i, PlayerInventory playerinventory, EntityHuman entityhuman) {