From aa730bccd8e17c168d311e35b596e6a9ff0d231e Mon Sep 17 00:00:00 2001
From: Guillaume Mercier <10gui-gui10@live.ca>
Date: Tue, 25 Mar 2025 21:33:23 -0400
Subject: [PATCH] Add one time log if removed fluid isn't the same as the
 requested fluid.

This should help us diagnose similar issues in the future.
---
 .../github/inventory/MEMonitorIFluidHandler.java    | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/src/main/java/com/glodblock/github/inventory/MEMonitorIFluidHandler.java b/src/main/java/com/glodblock/github/inventory/MEMonitorIFluidHandler.java
index 02abc3de..06bf49e8 100644
--- a/src/main/java/com/glodblock/github/inventory/MEMonitorIFluidHandler.java
+++ b/src/main/java/com/glodblock/github/inventory/MEMonitorIFluidHandler.java
@@ -25,10 +25,13 @@ import appeng.api.storage.IMEMonitorHandlerReceiver;
 import appeng.api.storage.StorageChannel;
 import appeng.api.storage.data.IAEFluidStack;
 import appeng.api.storage.data.IItemList;
+import appeng.core.AELog;
 import appeng.util.item.AEFluidStack;
 
 public class MEMonitorIFluidHandler implements IMEMonitor<IAEFluidStack> {
 
+    private static boolean WrongFluidRemovedWarnIssued = false;
+
     private final IFluidHandler handler;
     private final ForgeDirection side;
     private IItemList<IAEFluidStack> cache = AEApi.instance().storage().createFluidList();
@@ -82,6 +85,16 @@ public class MEMonitorIFluidHandler implements IMEMonitor<IAEFluidStack> {
         }
         FluidStack removed = this.handler.drain(this.side, request.getFluidStack(), type == Actionable.MODULATE);
         if (removed != null && removed.amount != 0) {
+            // perform a one time log if the removed fluid isn't what's reported since this will create a dupe exploit
+            if (!WrongFluidRemovedWarnIssued && !removed.isFluidEqual(request.getFluidStack())) {
+                WrongFluidRemovedWarnIssued = true;
+                String msg = String.format(
+                        "[AE2FC] MEMonitorIFluidHandler.extractItems got the wrong fluids while extracting from %s. expected %s got %s. Please report this message if seen: https://github.com/GTNewHorizons/GT-New-Horizons-Modpack/issues/new",
+                        this.handler.getClass().getSimpleName(),
+                        request.getFluidStack().getUnlocalizedName(),
+                        removed.getUnlocalizedName());
+                AELog.warn(msg);
+            }
             IAEFluidStack o = request.copy();
             o.setStackSize(removed.amount);
             if (type == Actionable.MODULATE) {