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 211f785adf6b8bfc6b974da7898cb2f4359626c9..c9c711398cf90fc1990a0145196fa05894f9ffff 100644
--- a/src/main/java/net/minecraft/server/level/ServerLevel.java
+++ b/src/main/java/net/minecraft/server/level/ServerLevel.java
@@ -1384,6 +1384,7 @@ 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);
}