From aa24a99d956606b5efdb1da51548fd5d35f1e92f Mon Sep 17 00:00:00 2001
From: Prototik <prototypegamez@gmail.com>
Date: Wed, 21 May 2014 13:29:17 +0800
Subject: [PATCH] Fix canFill/canDrain in tanks

---
 common/buildcraft/factory/TileTank.java | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/common/buildcraft/factory/TileTank.java b/common/buildcraft/factory/TileTank.java
index 337ba3a5..2ade930f 100644
--- a/common/buildcraft/factory/TileTank.java
+++ b/common/buildcraft/factory/TileTank.java
@@ -248,12 +248,14 @@ public class TileTank extends TileBuildCraft implements IFluidHandler {
 
 	@Override
 	public boolean canFill(ForgeDirection from, Fluid fluid) {
-		return true;
+		Fluid tankFluid = getBottomTank().tank.getFluidType();
+		return tankFluid == null || tankFluid == fluid;
 	}
 
 	@Override
 	public boolean canDrain(ForgeDirection from, Fluid fluid) {
-		return false;
+		Fluid tankFluid = getBottomTank().tank.getFluidType();
+		return tankFluid != null && tankFluid == fluid;
 	}
 
 	public int getFluidLightLevel() {