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diff --git a/APEX_1.4/samples_v2/SampleBase/ApexResourceCallback.h b/APEX_1.4/samples_v2/SampleBase/ApexResourceCallback.h
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+++ b/APEX_1.4/samples_v2/SampleBase/ApexResourceCallback.h
@@ -0,0 +1,77 @@
+/*
+* Copyright (c) 2008-2015, NVIDIA CORPORATION.  All rights reserved.
+*
+* NVIDIA CORPORATION and its licensors retain all intellectual property
+* and proprietary rights in and to this software, related documentation
+* and any modifications thereto.  Any use, reproduction, disclosure or
+* distribution of this software and related documentation without an express
+* license agreement from NVIDIA CORPORATION is strictly prohibited.
+*/
+
+#ifndef APEX_RESOURCE_CALLBACK_H
+#define APEX_RESOURCE_CALLBACK_H
+
+#include "Apex.h"
+#include "ModuleParticles.h"
+
+#pragma warning(push)
+#pragma warning(disable : 4350)
+#include <vector>
+#include <string>
+#include <map>
+#pragma warning(pop)
+
+using namespace nvidia::apex;
+
+class physx::PxFileBuf;
+
+class ApexResourceCallback : public ResourceCallback
+{
+  public:
+	ApexResourceCallback();
+	~ApexResourceCallback();
+
+	void setApexSDK(ApexSDK* apexSDK)
+	{
+		mApexSDK = apexSDK;
+	}
+
+	void setModuleParticles(ModuleParticles* moduleParticles)
+	{
+		mModuleParticles = moduleParticles;
+	}
+
+	// ResourceCallback API:
+	virtual void* requestResource(const char* nameSpace, const char* name);
+	virtual void releaseResource(const char* nameSpace, const char*, void* resource);
+
+	// Internal samples API:
+	void addSearchDir(const char* dir, bool recursive = true);
+	NvParameterized::Interface* deserializeFromFile(const char* path);
+
+	enum CustomResourceNameSpace
+	{
+		eSHADER_FILE_PATH,
+		eTEXTURE_RESOURCE
+	};
+
+	void* requestResourceCustom(CustomResourceNameSpace customNameSpace, const char* name);
+
+  private:
+	ApexSDK* mApexSDK;
+	ModuleParticles* mModuleParticles;
+
+	bool findFile(const char* fileName, std::vector<const char*> exts, char* foundPath);
+	bool findFileInDir(const char* fileNameFull, const char* path, bool recursive, char* foundPath);
+
+	struct SearchDir
+	{
+		char* path;
+		bool recursive;
+	};
+
+	std::vector<SearchDir> mSearchDirs;
+	std::map<std::pair<CustomResourceNameSpace, std::string>, void*> mCustomResources;
+};
+
+#endif
+\ No newline at end of file