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+/*
+* 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 RESOURCE_MANAGER_H
+#define RESOURCE_MANAGER_H
+
+#include <vector>
+#include <string>
+#include <map>
+#include <memory>
+#include "DirectXTex.h"
+
+
+struct Resource
+{
+private:
+ Resource& operator = (const Resource&);
+};
+
+
+struct ShaderFileResource : public Resource
+{
+ ShaderFileResource(const std::string& p) : path(p) {}
+ std::string path;
+};
+
+
+struct TextureResource : public Resource
+{
+ DirectX::TexMetadata metaData;
+ DirectX::ScratchImage image;
+};
+
+
+/**
+ResourceManager used to look for files in provided dirs (see addSearchDir). Also it loads resources and caches them.
+*/
+class ResourceManager
+{
+public:
+ //////// ctor ////////
+
+ ResourceManager();
+ ~ResourceManager();
+
+ //////// public API ////////
+
+ bool addSearchDir(const char* dir, bool recursive = true);
+
+ const ShaderFileResource* requestShaderFile(const char* name);
+
+ const TextureResource* requestTexture(const char* name);
+
+ bool findFile(std::string fileName, std::string& foundPath);
+
+ bool findFile(std::string fileName, const std::vector<const char*>& exts, char* foundPath);
+
+
+private:
+ //////// internal methods ////////
+
+ enum ResourceType
+ {
+ eSHADER_FILE,
+ eTEXTURE
+ };
+
+ const Resource* requestResource(ResourceType type, const char* name);
+
+ bool findFileInDir(std::string fileNameFull, const char* path, bool recursive, char* foundPath);
+
+ struct SearchDir
+ {
+ SearchDir(std::string path_, bool recursive_) : path(path_), recursive(recursive_) {}
+
+ std::string path;
+ bool recursive;
+ };
+
+
+ //////// internal data ////////
+
+ std::vector<SearchDir> m_searchDirs;
+ std::map<std::pair<ResourceType, std::string>, std::shared_ptr<Resource>> m_loadedResources;
+};
+#endif \ No newline at end of file