1 files changed, 40 insertions, 0 deletions
diff --git a/patches/server/0966-Fix-creation-of-invalid-block-entity-during-world-ge.patch b/patches/server/0966-Fix-creation-of-invalid-block-entity-during-world-ge.patch
new file mode 100644
index 0000000000..a745081446
--- /dev/null
+++ b/patches/server/0966-Fix-creation-of-invalid-block-entity-during-world-ge.patch
@@ -0,0 +1,40 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: Pierpaolo Coletta <[email protected]>
+Date: Sat, 30 Mar 2024 21:06:10 +0100
+Subject: [PATCH] Fix creation of invalid block entity during world generation
+
+
+diff --git a/src/main/java/net/minecraft/server/level/WorldGenRegion.java b/src/main/java/net/minecraft/server/level/WorldGenRegion.java
+index a59eece9c7a8c33cb8ce963906e993c3462684fb..333a02e08cccf5cb0efa2076582cbd69e95ff0c0 100644
+--- a/src/main/java/net/minecraft/server/level/WorldGenRegion.java
++++ b/src/main/java/net/minecraft/server/level/WorldGenRegion.java
+@@ -339,6 +339,7 @@ public class WorldGenRegion implements WorldGenLevel {
+                         ichunkaccess.removeBlockEntity(pos);
+                     }
+                 } else {
++                    ichunkaccess.removeBlockEntity(pos); // Paper - Clear the block entity before setting up a DUMMY block entity
+                     CompoundTag nbttagcompound = new CompoundTag();
+ 
+                     nbttagcompound.putInt("x", pos.getX());
+diff --git a/src/main/java/net/minecraft/world/level/chunk/LevelChunk.java b/src/main/java/net/minecraft/world/level/chunk/LevelChunk.java
+index 744db9eec4f7bdeb32f83300960a7fce63b393d8..8de6ad8b131061b2dae440dff71e2e6e7af2de39 100644
+--- a/src/main/java/net/minecraft/world/level/chunk/LevelChunk.java
++++ b/src/main/java/net/minecraft/world/level/chunk/LevelChunk.java
+@@ -1071,9 +1071,14 @@ public class LevelChunk extends ChunkAccess {
+                         if (this.blockEntity.getType().isValid(iblockdata)) {
+                             this.ticker.tick(LevelChunk.this.level, this.blockEntity.getBlockPos(), iblockdata, this.blockEntity);
+                             this.loggedInvalidBlockState = false;
+-                        } else if (!this.loggedInvalidBlockState) {
+-                            this.loggedInvalidBlockState = true;
+-                            LevelChunk.LOGGER.warn("Block entity {} @ {} state {} invalid for ticking:", new Object[]{LogUtils.defer(this::getType), LogUtils.defer(this::getPos), iblockdata});
++                        // Paper start - Remove the Block Entity if it's invalid
++                        } else {
++                            LevelChunk.this.removeBlockEntity(this.getPos());
++                            if (!this.loggedInvalidBlockState) {
++                                this.loggedInvalidBlockState = true;
++                                LevelChunk.LOGGER.warn("Block entity {} @ {} state {} invalid for ticking:", new Object[]{LogUtils.defer(this::getType), LogUtils.defer(this::getPos), iblockdata});
++                            }
++                            // Paper end - Remove the Block Entity if it's invalid
+                         }
+ 
+                         gameprofilerfiller.pop();