From 692d0ff6d5cd69fe7b4453aea9094aa0a9a0b3ad Mon Sep 17 00:00:00 2001
From: mistaqur <mistaqur@gmail.com>
Date: Sat, 7 Jul 2012 07:04:20 +0400
Subject: [PATCH] Compatibility fix to pipes with custom connection logic (e.g.
 pipes from Additional Buildcraft Objects)

---
 .../minecraft/src/buildcraft/transport/TileGenericPipe.java    | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/common/net/minecraft/src/buildcraft/transport/TileGenericPipe.java b/common/net/minecraft/src/buildcraft/transport/TileGenericPipe.java
index 5644dae1..5e085acd 100644
--- a/common/net/minecraft/src/buildcraft/transport/TileGenericPipe.java
+++ b/common/net/minecraft/src/buildcraft/transport/TileGenericPipe.java
@@ -383,6 +383,9 @@ public class TileGenericPipe extends TileEntity implements IPowerReceptor, ILiqu
 				&& !pipe1.transport.allowsConnect(pipe2.transport))
 			return false;
 
+		if (pipe2 != null && !( pipe2.isPipeConnected(this)))
+			return false;
+
 		return pipe1 != null ? pipe1.isPipeConnected(with) : false;
 	}