fix fluid pipes converting an empty fluidstack to an (illegal) null (G…

…regTechCEu#1010)
ctrlaltmilk · Mar 26, 2024 · 67750c5 · 67750c5
1 parent b3ef8a3
commit 67750c5
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/src/main/java/com/gregtechceu/gtceu/common/pipelike/fluidpipe/PipeTankList.java b/src/main/java/com/gregtechceu/gtceu/common/pipelike/fluidpipe/PipeTankList.java
@@ -159,13 +159,13 @@ public void restoreFromSnapshot(Object snapshot) {
     @Nullable
     @Override
     public FluidStack drain(FluidStack fluidStack, boolean doDrain) {
-        if (fluidStack == null || fluidStack.getAmount() <= 0) return null;
+        if (fluidStack.isEmpty() || fluidStack.getAmount() <= 0) return FluidStack.empty();
         fluidStack = fluidStack.copy();
         for (FluidStorage tank : tanks) {
             FluidStack drained = tank.drain(fluidStack, doDrain);
             if (!drained.isEmpty()) return drained;
         }
-        return null;
+        return FluidStack.empty();
     }
 
     @Override