add a check to PullBelt & PullPipe if the item has allready an item to pull this.

Source/KBFL/Private/C++/KBFLCppInventoryHelper.cpp

@@ -215,6 +215,16 @@ void UKBFLCppInventoryHelper::PullPipe(UFGInventoryComponent* Inventory, int Inv
 void UKBFLCppInventoryHelper::PullPipe(UFGInventoryComponent* Inventory, int InventoryIndex, float dt, TArray<TSubclassOf<UFGItemDescriptor>> AllowedItem,
 	UFGPipeConnectionFactory* PipeInputComp, int PullAmount)
 {
+	// look if the inventory has already an item on index and pull only this.
+	FInventoryStack Stack;
+	Inventory->GetStackFromIndex(InventoryIndex, Stack);
+	if(Stack.HasItems())
+	{
+		if(AllowedItem.Contains(Stack.Item.ItemClass))
+			PullPipe(Inventory, InventoryIndex, dt, Stack.Item.ItemClass, PipeInputComp, PullAmount);
+		return;
+	}
+	
 	for (const auto ItemClass : AllowedItem)
 	{
 		PullPipe(Inventory, InventoryIndex, dt, ItemClass, PipeInputComp, PullAmount);
@@ -244,6 +254,16 @@ void UKBFLCppInventoryHelper::PullBelt(UFGInventoryComponent* Inventory, int Inv
 
 void UKBFLCppInventoryHelper::PullBelt(UFGInventoryComponent* Inventory, int InventoryIndex, float dt, TArray<TSubclassOf<UFGItemDescriptor>> AllowedItem, UFGFactoryConnectionComponent* BeltInput)
 {
+	// look if the inventory has already an item on index and pull only this.
+	FInventoryStack Stack;
+	Inventory->GetStackFromIndex(InventoryIndex, Stack);
+	if(Stack.HasItems())
+	{
+		if(AllowedItem.Contains(Stack.Item.ItemClass))
+			PullBelt(Inventory, InventoryIndex, dt, Stack.Item.ItemClass, BeltInput);
+		return;
+	}
+	
 	for (auto Item : AllowedItem)
 	{
 		PullBelt(Inventory, InventoryIndex, dt, Item, BeltInput);