NazaraEngine/include/Nazara/Core/ResourceManager.hpp

59 lines
1.6 KiB
C++

// Copyright (C) 2020 Jérôme Leclercq
// This file is part of the "Nazara Engine - Core module"
// For conditions of distribution and use, see copyright notice in Config.hpp
#pragma once
#ifndef NAZARA_RESOURCEMANAGER_HPP
#define NAZARA_RESOURCEMANAGER_HPP
#include <Nazara/Core/ResourceLoader.hpp>
#include <filesystem>
#include <memory>
#include <unordered_map>
namespace Nz
{
template<typename Type, typename Parameters>
class ResourceManager
{
public:
using Loader = ResourceLoader<Type, Parameters>;
ResourceManager(Loader& loader);
explicit ResourceManager(const ResourceManager&) = default;
ResourceManager(ResourceManager&&) noexcept = default;
~ResourceManager() = default;
void Clear();
std::shared_ptr<Type> Get(const std::filesystem::path& filePath);
const Parameters& GetDefaultParameters();
void Register(const std::filesystem::path& filePath, std::shared_ptr<Type> resource);
void SetDefaultParameters(Parameters params);
void Unregister(const std::filesystem::path& filePath);
ResourceManager& operator=(const ResourceManager&) = delete;
ResourceManager& operator=(ResourceManager&&) = delete;
private:
// https://stackoverflow.com/questions/51065244/is-there-no-standard-hash-for-stdfilesystempath
struct PathHash
{
std::size_t operator()(const std::filesystem::path& p) const
{
return hash_value(p);
}
};
std::unordered_map<std::filesystem::path, std::shared_ptr<Type>, PathHash> m_resources;
Loader& m_loader;
Parameters m_defaultParameters;
};
}
#include <Nazara/Core/ResourceManager.inl>
#endif // NAZARA_RESOURCEMANAGER_HPP