From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Aikar <aikar@aikar.co>
Date: Sun, 3 Apr 2016 17:48:50 -0400
Subject: [PATCH] Fix Cancelling BlockPlaceEvent triggering physics
diff --git a/src/main/java/net/minecraft/server/level/ServerLevel.java b/src/main/java/net/minecraft/server/level/ServerLevel.java
index 3078aa3b6b4ba5afbe5f216a90f58834e6f72957..b9fcfaf683d9c0e90a287506afd759d8877f4b24 100644
--- a/src/main/java/net/minecraft/server/level/ServerLevel.java
+++ b/src/main/java/net/minecraft/server/level/ServerLevel.java
@@ -1600,6 +1600,7 @@ public class ServerLevel extends Level implements WorldGenLevel {
@Override
public void updateNeighborsAt(BlockPos pos, Block sourceBlock) {
+ if (captureBlockStates) { return; } // Paper - Cancel all physics during placement
this.neighborUpdater.updateNeighborsAtExceptFromFacing(pos, sourceBlock, (Direction) null);
}