resource.pack

source/resource_loader.h

@@ -0,0 +1,39 @@
+#pragma once
+
+#include <cstddef>
+#include <cstdint>
+#include <memory>
+#include <string>
+#include <vector>
+
+class ResourcePack;
+
+class ResourceLoader {
+   private:
+    static std::unique_ptr<ResourceLoader> instance;
+    ResourcePack* resource_pack_;
+    std::string pack_path_;
+    bool fallback_to_files_;
+
+    ResourceLoader();
+
+   public:
+    static ResourceLoader& getInstance();
+    ~ResourceLoader();
+
+    bool initialize(const std::string& pack_file, bool enable_fallback = true);
+    void shutdown();
+
+    std::vector<uint8_t> loadResource(const std::string& filename);
+    bool resourceExists(const std::string& filename);
+
+    void setFallbackToFiles(bool enable) { fallback_to_files_ = enable; }
+    bool getFallbackToFiles() const { return fallback_to_files_; }
+
+    size_t getLoadedResourceCount() const;
+    std::vector<std::string> getAvailableResources() const;
+
+   private:
+    static std::vector<uint8_t> loadFromFile(const std::string& filename);
+    static std::string getDataPath(const std::string& filename);
+};