From e6c0930e14b5349fc077c1810dd65b73e18b3328 Mon Sep 17 00:00:00 2001
From: MCTian-mi <35869948+MCTian-mi@users.noreply.github.com>
Date: Mon, 4 Aug 2025 20:14:24 +0800
Subject: [PATCH] fix pipenet insertion NPE caused by `isFaceBlocked`

---
 src/main/java/gregtech/api/pipenet/tile/TileEntityPipeBase.java | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/main/java/gregtech/api/pipenet/tile/TileEntityPipeBase.java b/src/main/java/gregtech/api/pipenet/tile/TileEntityPipeBase.java
index 3756849a3e7..8cce454941e 100644
--- a/src/main/java/gregtech/api/pipenet/tile/TileEntityPipeBase.java
+++ b/src/main/java/gregtech/api/pipenet/tile/TileEntityPipeBase.java
@@ -278,6 +278,7 @@ public void setFaceBlocked(EnumFacing side, boolean blocked) {
 
     @Override
     public boolean isFaceBlocked(EnumFacing side) {
+        if (side == null) return true; // says hey, you can't insert from nowhere
         return isFaceBlocked(blockedConnections, side);
     }