Optimize draining

Spigot-Server-Patches/0044-Optimize-draining.patch

@@ -0,0 +1,48 @@
+From 852a6da14b49302a346b8e6ded8c99ae1f746499 Mon Sep 17 00:00:00 2001
+From: Byteflux <byte@byteflux.net>
+Date: Fri, 10 Apr 2015 02:24:20 -0700
+Subject: [PATCH] Optimize draining
+
+
+diff --git a/src/main/java/net/minecraft/server/BlockFlowing.java b/src/main/java/net/minecraft/server/BlockFlowing.java
+index de1dddb..d8de1fc 100644
+--- a/src/main/java/net/minecraft/server/BlockFlowing.java
++++ b/src/main/java/net/minecraft/server/BlockFlowing.java
+@@ -88,7 +88,18 @@ public class BlockFlowing extends BlockFluids {
+                     iblockdata = iblockdata.set(BlockFlowing.LEVEL, Integer.valueOf(i1));
+                     world.setTypeAndData(blockposition, iblockdata, 2);
+                     world.a(blockposition, (Block) this, j);
+-                    world.applyPhysics(blockposition, this);
++                    // PaperSpigot start - Optimize draining
++                    if (world.paperSpigotConfig.optimizeDraining) {
++                        world.d(blockposition.west(), this);
++                        world.d(blockposition.east(), this);
++                        world.d(blockposition.up(), this);
++                        world.d(blockposition.north(), this);
++                        world.d(blockposition.south(), this);
++                        world.spigotConfig.antiXrayInstance.updateNearbyBlocks(world, blockposition); // Spigot
++                    } else {
++                        world.applyPhysics(blockposition, this);
++                    }
++                    // PaperSpigot end
+                 }
+             }
+         } else {
+diff --git a/src/main/java/org/github/paperspigot/PaperSpigotWorldConfig.java b/src/main/java/org/github/paperspigot/PaperSpigotWorldConfig.java
+index dc8bebd..1ca8b0d 100644
+--- a/src/main/java/org/github/paperspigot/PaperSpigotWorldConfig.java
++++ b/src/main/java/org/github/paperspigot/PaperSpigotWorldConfig.java
+@@ -240,4 +240,10 @@ public class PaperSpigotWorldConfig
+         useAsyncLighting = getBoolean( "use-async-lighting", false );
+         log( "World async lighting: " + useAsyncLighting );
+     }
++
++    public boolean optimizeDraining;
++    private void optimizeDraining()
++    {
++        optimizeDraining = getBoolean( "optimize-draining", false );
++    }
+ }
+-- 
+2.3.5
+