feat: Item filters

Source/RefinedRDApi/Public/DataAssets/RRDADataAssetDSItemFilter.h

@@ -0,0 +1,31 @@
+// Fill out your copyright notice in the Description page of Project Settings.
+
+#pragma once
+
+#include "CoreMinimal.h"
+#include "DataAssets/RRDADataAssetBase.h"
+#include "Resources/FGItemDescriptor.h"
+#include "RRDADataAssetDSItemFilter.generated.h"
+
+/**
+ * 
+ */
+UCLASS()
+class REFINEDRDAPI_API URRDADataAssetDSItemFilter : public URRDADataAssetBase
+{
+	GENERATED_BODY()
+
+public:
+	/* The Building class this item filter should be used on */
+	UPROPERTY(EditDefaultsOnly, BlueprintReadOnly, Category="ItemFilter")
+	TSubclassOf<AFGBuildableFactory> mBuildingClass;
+
+	UPROPERTY(EditDefaultsOnly, BlueprintReadOnly, Category="ItemFilter")
+	int mInventoryIndex = 0;
+
+	UPROPERTY(EditDefaultsOnly, BlueprintReadOnly, Category="ItemFilter")
+	int mInventorySlotIndex = 0;
+
+	UPROPERTY(EditDefaultsOnly, BlueprintReadOnly, Category="ItemFilter")
+	TArray<TSubclassOf<UFGItemDescriptor>> mItemFilterClasses;
+};