115 lines
3.1 KiB
C++
115 lines
3.1 KiB
C++
// Copyright (C) 2023 Jérôme "Lynix" Leclercq (lynix680@gmail.com)
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// This file is part of the "Nazara Engine - Core module"
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// For conditions of distribution and use, see copyright notice in Config.hpp
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#include <Nazara/Core/Error.hpp>
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#include <Nazara/Core/File.hpp>
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#include <Nazara/Core/Log.hpp>
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#include <Nazara/Core/Debug.hpp>
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namespace Nz
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{
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/*!
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* \ingroup core
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* \class Nz::ResourceManager
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* \brief Core class that represents a resource manager
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*/
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/*!
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* \brief Clears the content of the manager
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*/
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template<typename Type, typename Parameters>
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ResourceManager<Type, Parameters>::ResourceManager(Loader& loader) :
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m_loader(loader)
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{
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}
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/*!
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* \brief Clears the content of the manager
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*/
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template<typename Type, typename Parameters>
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void ResourceManager<Type, Parameters>::Clear()
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{
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m_resources.clear();
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}
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/*!
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* \brief Gets a reference to the object loaded from file
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* \return Reference to the object
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*
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* \param filePath Path to the asset that will be loaded
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*/
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template<typename Type, typename Parameters>
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std::shared_ptr<Type> ResourceManager<Type, Parameters>::Get(const std::filesystem::path& filePath)
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{
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std::filesystem::path absolutePath = std::filesystem::canonical(filePath);
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auto it = m_resources.find(absolutePath);
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if (it == m_resources.end())
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{
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std::shared_ptr<Type> resource = m_loader.LoadFromFile(absolutePath, GetDefaultParameters());
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if (!resource)
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{
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NazaraErrorFmt("failed to load resource from file: {0}", absolutePath);
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return std::shared_ptr<Type>();
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}
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NazaraDebug("loaded resource from file {0}", absolutePath);
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it = m_resources.insert(std::make_pair(absolutePath, resource)).first;
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}
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return it->second;
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}
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/*!
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* \brief Gets the defaults parameters for the load
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* \return Default parameters for loading from file
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*/
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template<typename Type, typename Parameters>
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const Parameters& ResourceManager<Type, Parameters>::GetDefaultParameters()
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{
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return m_defaultParameters;
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}
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/*!
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* \brief Registers the resource under the filePath
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*
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* \param filePath Path for the resource
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* \param resource Object to associate with
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*/
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template<typename Type, typename Parameters>
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void ResourceManager<Type, Parameters>::Register(const std::filesystem::path& filePath, std::shared_ptr<Type> resource)
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{
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std::filesystem::path absolutePath = std::filesystem::canonical(filePath);
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m_resources[absolutePath] = resource;
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}
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/*!
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* \brief Sets the defaults parameters for the load
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*
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* \param params Default parameters for loading from file
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*/
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template<typename Type, typename Parameters>
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void ResourceManager<Type, Parameters>::SetDefaultParameters(Parameters params)
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{
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m_defaultParameters = std::move(params);
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}
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/*!
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* \brief Unregisters the resource under the filePath
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*
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* \param filePath Path for the resource
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*/
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template<typename Type, typename Parameters>
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void ResourceManager<Type, Parameters>::Unregister(const std::filesystem::path& filePath)
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{
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std::filesystem::path absolutePath = std::filesystem::canonical(filePath);
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m_resources.erase(absolutePath);
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}
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}
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#include <Nazara/Core/DebugOff.hpp>
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