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59 lines
1.5 KiB
C++
59 lines
1.5 KiB
C++
// SPDX-License-Identifier: MIT
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//
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// EmulationStation Desktop Edition
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// ResourceManager.h
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//
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// Handles the application resources (fonts, graphics, sounds etc.).
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// Loading and unloading of these files are done here.
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//
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#ifndef ES_CORE_RESOURCES_RESOURCE_MANAGER_H
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#define ES_CORE_RESOURCES_RESOURCE_MANAGER_H
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#include <list>
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#include <memory>
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#include <string>
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// The ResourceManager exists to:
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// Allow loading resources embedded into the executable like an actual file.
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// Allow embedded resources to be optionally remapped to actual files for further customization.
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struct ResourceData {
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const std::shared_ptr<unsigned char> ptr;
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const size_t length;
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};
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class ResourceManager;
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class IReloadable
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{
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public:
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virtual void unload(std::shared_ptr<ResourceManager>& rm) = 0;
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virtual void reload(std::shared_ptr<ResourceManager>& rm) = 0;
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};
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class ResourceManager
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{
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public:
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static std::shared_ptr<ResourceManager>& getInstance();
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void addReloadable(std::weak_ptr<IReloadable> reloadable);
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void unloadAll();
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void reloadAll();
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std::string getResourcePath(const std::string& path, bool terminateOnFailure = true) const;
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const ResourceData getFileData(const std::string& path) const;
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bool fileExists(const std::string& path) const;
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private:
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ResourceManager();
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static std::shared_ptr<ResourceManager> sInstance;
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std::list< std::weak_ptr<IReloadable> > mReloadables;
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ResourceData loadFile(const std::string& path) const;
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};
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#endif // ES_CORE_RESOURCES_RESOURCE_MANAGER_H
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