NOT FINISHED! She compiles, and she... suffers the wrath of chunkgen...

Spigot-Server-Patches/Fix-Cancelling-BlockPlaceEvent-triggering-physics.patch

@@ -0,0 +1,19 @@
+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/World.java b/src/main/java/net/minecraft/server/World.java
+index 2c6774082..5b2d67260 100644
+--- a/src/main/java/net/minecraft/server/World.java
++++ b/src/main/java/net/minecraft/server/World.java
+@@ -0,0 +0,0 @@ public abstract class World implements GeneratorAccess, IIBlockAccess, AutoClose
+     }
+ 
+     public void applyPhysics(BlockPosition blockposition, Block block) {
++        if (captureBlockStates) { return; } // Paper - Cancel all physics during placement
+         this.a(blockposition.west(), block, blockposition);
+         this.a(blockposition.east(), block, blockposition);
+         this.a(blockposition.down(), block, blockposition);
+--