From ddba688f59024e7491857fbcb4d5ec06ea4f2612 Mon Sep 17 00:00:00 2001
From: gnembon <gnembonmc@gmail.com>
Date: Mon, 9 Nov 2020 09:43:15 -0400
Subject: [PATCH] remove updates when removing blocks, fixes #533

---
 .../mixins/WorldChunk_fillUpdatesMixin.java   | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

diff --git a/src/main/java/carpet/mixins/WorldChunk_fillUpdatesMixin.java b/src/main/java/carpet/mixins/WorldChunk_fillUpdatesMixin.java
index 3447cadd..cab107b8 100644
--- a/src/main/java/carpet/mixins/WorldChunk_fillUpdatesMixin.java
+++ b/src/main/java/carpet/mixins/WorldChunk_fillUpdatesMixin.java
@@ -22,4 +22,23 @@ public class WorldChunk_fillUpdatesMixin
         if (!CarpetSettings.impendingFillSkipUpdates)
             blockState.onBlockAdded(world_1, blockPos_1, blockState_1, boolean_1);
     }
+
+    @Redirect(method = "setBlockState", at = @At(
+            value = "INVOKE",
+            target = "Lnet/minecraft/block/BlockState;onStateReplaced(Lnet/minecraft/world/World;Lnet/minecraft/util/math/BlockPos;Lnet/minecraft/block/BlockState;Z)V"
+    ))
+    private void onRemovedBlock(BlockState blockState, World world, BlockPos pos, BlockState state, boolean moved)
+    {
+        if (CarpetSettings.impendingFillSkipUpdates) // doing due dilligence from AbstractBlock onStateReplaced
+        {
+            if (blockState.getBlock().hasBlockEntity() && !blockState.isOf(state.getBlock()))
+            {
+                world.removeBlockEntity(pos);
+            }
+        }
+        else
+        {
+            blockState.onStateReplaced(world, pos, state, moved);
+        }
+    }
 }