70 lines
1.9 KiB
C++
70 lines
1.9 KiB
C++
// resource_loader.hpp
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// Singleton resource loader for managing pack and filesystem access
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#ifndef RESOURCE_LOADER_HPP
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#define RESOURCE_LOADER_HPP
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#include "resource_pack.hpp"
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#include <memory>
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#include <string>
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#include <vector>
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namespace jdd {
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// Singleton class for loading resources from pack or filesystem
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class ResourceLoader {
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public:
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// Get singleton instance
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static auto get() -> ResourceLoader&;
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// Initialize with a pack file (optional)
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auto initialize(const std::string& pack_file, bool enable_fallback = true) -> bool;
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// Load a resource (tries pack first, then filesystem if fallback enabled)
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auto loadResource(const std::string& filename) -> std::vector<uint8_t>;
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// Check if a resource exists
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auto resourceExists(const std::string& filename) -> bool;
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// Check if pack is loaded
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auto isPackLoaded() const -> bool;
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// Get pack statistics
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auto getPackResourceCount() const -> size_t;
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// Validate pack integrity (checksum)
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auto validatePack() const -> bool;
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// Load assets.txt from pack (for release builds)
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auto loadAssetsConfig() const -> std::string;
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// Cleanup
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void shutdown();
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private:
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ResourceLoader() = default;
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~ResourceLoader() = default;
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// Disable copy/move
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ResourceLoader(const ResourceLoader&) = delete;
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ResourceLoader& operator=(const ResourceLoader&) = delete;
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ResourceLoader(ResourceLoader&&) = delete;
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ResourceLoader& operator=(ResourceLoader&&) = delete;
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// Load from filesystem
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static auto loadFromFilesystem(const std::string& filepath) -> std::vector<uint8_t>;
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// Check if file exists on filesystem
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static auto fileExistsOnFilesystem(const std::string& filepath) -> bool;
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// Member data
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std::unique_ptr<ResourcePack> resource_pack_;
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bool fallback_to_files_{true};
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bool initialized_{false};
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};
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} // namespace jdd
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#endif // RESOURCE_LOADER_HPP
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