Files
pollo/source/core/resources/resource_loader.hpp
2025-11-23 11:44:31 +01:00

49 lines
1.7 KiB
C++

// resource_loader.hpp
// Singleton resource loader for managing pack and filesystem access
#pragma once
#include <memory>
#include <string>
#include <vector>
#include "resource_pack.hpp"
namespace Resource {
// Singleton class for loading resources from pack or filesystem
class Loader {
public:
static auto get() -> Loader&; // Singleton instance access
auto initialize(const std::string& pack_file, bool enable_fallback = true) -> bool; // Initialize loader with pack file
auto loadResource(const std::string& filename) -> std::vector<uint8_t>; // Load resource data
auto resourceExists(const std::string& filename) -> bool; // Check resource availability
[[nodiscard]] auto isPackLoaded() const -> bool; // Pack status queries
[[nodiscard]] auto getPackResourceCount() const -> size_t;
[[nodiscard]] auto validatePack() const -> bool; // Validate pack integrity
[[nodiscard]] auto loadAssetsConfig() const -> std::string; // Load assets.yaml from pack
void shutdown(); // Cleanup
Loader(const Loader&) = delete; // Deleted copy/move constructors
auto operator=(const Loader&) -> Loader& = delete;
Loader(Loader&&) = delete;
auto operator=(Loader&&) -> Loader& = delete;
private:
Loader() = default;
~Loader() = default;
static auto loadFromFilesystem(const std::string& filepath) -> std::vector<uint8_t>; // Filesystem helpers
static auto fileExistsOnFilesystem(const std::string& filepath) -> bool;
std::unique_ptr<Pack> resource_pack_; // Member variables
bool fallback_to_files_{true};
bool initialized_{false};
};
} // namespace Resource