From dac6bac6e17684e8b5b4b0fa5e51fe76f0f5b92f Mon Sep 17 00:00:00 2001
From: Iceee <andrew@opticgaming.tv>
Date: Wed, 2 Mar 2016 12:03:23 -0600
Subject: [PATCH] Stop updating flowing block if material has changed


diff --git a/src/main/java/net/minecraft/server/BlockFlowing.java b/src/main/java/net/minecraft/server/BlockFlowing.java
index 72654df..def694a 100644
--- a/src/main/java/net/minecraft/server/BlockFlowing.java
+++ b/src/main/java/net/minecraft/server/BlockFlowing.java
@@ -101,6 +101,7 @@ public class BlockFlowing extends BlockFluids {
             this.f(world, blockposition, iblockdata);
         }
 
+        if (world.getType(blockposition).getBlock().getBlockData().getMaterial() != material) return; // Paper - Stop updating flowing block if material has changed
         IBlockData iblockdata2 = world.getType(blockposition.down());
 
         if (this.h(world, blockposition.down(), iblockdata2)) {
-- 
2.10.0.windows.1