Fix Stocking Buses running recipes while offline (#2608)

Author: ALongStringOfNumbers

src/main/java/gregtech/common/metatileentities/multi/multiblockpart/appeng/MetaTileEntityAEHostablePart.java

@@ -45,6 +45,7 @@ public abstract class MetaTileEntityAEHostablePart<T extends IAEStack<T>> extend
     private int meUpdateTick;
     protected boolean isOnline;
     private boolean allowExtraConnections;
+    protected boolean meStatusChanged = false;
 
     public MetaTileEntityAEHostablePart(ResourceLocation metaTileEntityId, int tier, boolean isExportHatch,
                                         Class<? extends IStorageChannel<T>> storageChannel) {
@@ -158,6 +159,9 @@ public boolean updateMEStatus() {
             if (this.isOnline != isOnline) {
                 writeCustomData(UPDATE_ONLINE_STATUS, buf -> buf.writeBoolean(isOnline));
                 this.isOnline = isOnline;
+                this.meStatusChanged = true;
+            } else {
+                this.meStatusChanged = false;
             }
         }
         return this.isOnline;

src/main/java/gregtech/common/metatileentities/multi/multiblockpart/appeng/MetaTileEntityMEStockingBus.java

@@ -64,9 +64,22 @@ protected ExportOnlyAEStockingItemList getAEItemHandler() {
     @Override
     public void update() {
         super.update();
-        if (!getWorld().isRemote && isWorkingEnabled() && autoPull && getOffsetTimer() % 100 == 0) {
-            refreshList();
-            syncME();
+        if (!getWorld().isRemote) {
+            if (isWorkingEnabled() && autoPull && getOffsetTimer() % 100 == 0) {
+                refreshList();
+                syncME();
+            }
+
+            // Immediately clear cached items if the status changed, to prevent running recipes while offline
+            if (this.meStatusChanged && !this.isOnline) {
+                if (autoPull) {
+                    clearInventory(0);
+                } else {
+                    for (int i = 0; i < CONFIG_SIZE; i++) {
+                        getAEItemHandler().getInventory()[i].setStack(null);
+                    }
+                }
+            }
         }
     }
 

src/main/java/gregtech/common/metatileentities/multi/multiblockpart/appeng/MetaTileEntityMEStockingHatch.java

@@ -64,9 +64,22 @@ protected ExportOnlyAEStockingFluidList getAEFluidHandler() {
     @Override
     public void update() {
         super.update();
-        if (!getWorld().isRemote && isWorkingEnabled() && autoPull && getOffsetTimer() % 100 == 0) {
-            refreshList();
-            syncME();
+        if (!getWorld().isRemote) {
+            if (isWorkingEnabled() && autoPull && getOffsetTimer() % 100 == 0) {
+                refreshList();
+                syncME();
+            }
+
+            // Immediately clear cached fluids if the status changed, to prevent running recipes while offline
+            if (this.meStatusChanged && !this.isOnline) {
+                if (autoPull) {
+                    this.getAEFluidHandler().clearConfig();
+                } else {
+                    for (int i = 0; i < CONFIG_SIZE; i++) {
+                        getAEFluidHandler().getInventory()[i].setStack(null);
+                    }
+                }
+            }
         }
     }