From ef22bf6ab925f2b1693eccdae9394a27aaed5cb8 Mon Sep 17 00:00:00 2001
From: Blood-Asp <bloodasphendrik@gmail.com>
Date: Mon, 12 Jun 2017 12:18:54 +0200
Subject: [PATCH] Only open machine gui if front is free.

---
 .../implementations/GT_MetaTileEntity_BasicMachine.java     | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/main/java/gregtech/api/metatileentity/implementations/GT_MetaTileEntity_BasicMachine.java b/src/main/java/gregtech/api/metatileentity/implementations/GT_MetaTileEntity_BasicMachine.java
index 29b47ab9..ebe16f04 100644
--- a/src/main/java/gregtech/api/metatileentity/implementations/GT_MetaTileEntity_BasicMachine.java
+++ b/src/main/java/gregtech/api/metatileentity/implementations/GT_MetaTileEntity_BasicMachine.java
@@ -346,7 +346,11 @@ public abstract class GT_MetaTileEntity_BasicMachine extends GT_MetaTileEntity_B
     @Override
     public boolean onRightclick(IGregTechTileEntity aBaseMetaTileEntity, EntityPlayer aPlayer) {
         if (aBaseMetaTileEntity.isClientSide()) return true;
-        aBaseMetaTileEntity.openGUI(aPlayer);
+        if(aBaseMetaTileEntity.getAirAtSide((byte) mMainFacing)){
+        aBaseMetaTileEntity.openGUI(aPlayer);	
+        }else{
+        	GT_Utility.sendChatToPlayer(aPlayer,"Front blocked!");
+        }
         return true;
     }