1.21.6 dev

Co-authored-by: Bjarne Koll <git@lynxplay.dev>
Co-authored-by: Jake Potrebic <jake.m.potrebic@gmail.com>
Co-authored-by: Jason Penilla <11360596+jpenilla@users.noreply.github.com>
Co-authored-by: Lulu13022002 <41980282+Lulu13022002@users.noreply.github.com>
Co-authored-by: Noah van der Aa <ndvdaa@gmail.com>
Co-authored-by: Owen1212055 <23108066+Owen1212055@users.noreply.github.com>
Co-authored-by: Spottedleaf <Spottedleaf@users.noreply.github.com>

paper-server/patches/sources/net/minecraft/world/level/Level.java.patch

@@ -547,23 +547,16 @@
  
      public boolean shouldTickDeath(Entity entity) {
          return true;
-@@ -608,6 +_,19 @@
+@@ -608,6 +_,12 @@
      @Nullable
      @Override
      public BlockEntity getBlockEntity(BlockPos pos) {
-+        // CraftBukkit start
-+        return this.getBlockEntity(pos, true);
-+    }
-+
-+    @Nullable
-+    public BlockEntity getBlockEntity(BlockPos pos, boolean validate) {
 +        // Paper start - Perf: Optimize capturedTileEntities lookup
 +        net.minecraft.world.level.block.entity.BlockEntity blockEntity;
 +        if (!this.capturedTileEntities.isEmpty() && (blockEntity = this.capturedTileEntities.get(pos)) != null) {
 +            return blockEntity;
 +        }
 +        // Paper end - Perf: Optimize capturedTileEntities lookup
-+        // CraftBukkit end
          if (this.isOutsideBuildHeight(pos)) {
              return null;
          } else {
@@ -580,7 +573,7 @@
              this.getChunkAt(blockPos).addAndRegisterBlockEntity(blockEntity);
          }
      }
-@@ -1009,7 +_,8 @@
+@@ -1013,7 +_,8 @@
          BLOCK("block"),
          MOB("mob"),
          TNT("tnt"),