Added Image
Added pixel format support Added MemoryStream Added Rect Added ResourceLoader Added generic loader (bmp, gif, hdr, jpg, jpeg, pic, png, psd, tga) Added PCX loader Added utility module initializer Fixed Config.hpp include Prerequesites.hpp now overwrites _WIN32_WINNT when defined version is less than requiered version Renderer's initialisation will implicitly initialize utility module Removed RENDERER_SINGLETON option Shaders are now resources
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Lynix
186
include/Nazara/Utility/ResourceLoader.inl
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186
include/Nazara/Utility/ResourceLoader.inl
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// Copyright (C) 2012 Jérôme Leclercq
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// This file is part of the "Nazara Engine".
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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/InputStream.hpp>
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#include <Nazara/Utility/Config.hpp>
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#include <Nazara/Utility/Debug.hpp>
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template<typename Type, typename Parameters>
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bool NzResourceLoader<Type, Parameters>::LoadResourceFromFile(Type* resource, const NzString& filePath, const Parameters& parameters)
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{
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#if NAZARA_UTILITY_SAFE
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if (!parameters.IsValid())
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{
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NazaraError("Invalid Parameters");
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return false;
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}
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#endif
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NzString path = NzFile::NormalizePath(filePath);
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NzString ext = path.SubstrFrom('.', -1, true);
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if (ext.IsEmpty())
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{
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NazaraError("Failed to get file extension");
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return false;
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}
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// Récupération de tous les loaders de cette extension
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auto range = s_fileLoaders.equal_range(ext);
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if (range.first == range.second)
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{
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NazaraError("No loader found for extension \"" + ext + '"');
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return false;
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}
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for (auto it = range.first; it != range.second; ++it)
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{
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// Chargement de la ressource
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if (it->second(resource, filePath, parameters))
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return true;
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NazaraWarning("Loader failed");
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}
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NazaraError("Failed to load file: all loaders failed");
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return false;
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}
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template<typename Type, typename Parameters>
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bool NzResourceLoader<Type, Parameters>::LoadResourceFromMemory(Type* resource, const void* data, unsigned int size, const Parameters& parameters)
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{
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#if NAZARA_UTILITY_SAFE
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if (!parameters.IsValid())
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{
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NazaraError("Invalid Parameters");
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return false;
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}
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if (!data || size == 0)
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{
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NazaraError("No data to load");
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return false;
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}
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#endif
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for (auto loader = s_memoryLoaders.begin(); loader != s_memoryLoaders.end(); ++loader)
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{
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// Le loader supporte-t-il les données ?
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if (!loader->first(data, size, parameters))
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continue;
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// Chargement de la ressource
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if (loader->second(resource, data, size, parameters))
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return true;
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NazaraWarning("Loader failed");
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}
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NazaraError("Failed to load file: all loaders failed");
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return false;
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}
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template<typename Type, typename Parameters>
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bool NzResourceLoader<Type, Parameters>::LoadResourceFromStream(Type* resource, NzInputStream& stream, const Parameters& parameters)
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{
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#if NAZARA_UTILITY_SAFE
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if (!parameters.IsValid())
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{
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NazaraError("Invalid Parameters");
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return false;
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}
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if (stream.GetSize() == 0 || stream.GetCursorPos() >= stream.GetSize())
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{
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NazaraError("No data to load");
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return false;
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}
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#endif
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nzUInt64 streamPos = stream.GetCursorPos();
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for (auto loader = s_streamLoaders.begin(); loader != s_streamLoaders.end(); ++loader)
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{
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stream.SetCursorPos(streamPos);
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// Le loader supporte-t-il les données ?
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if (!loader->first(stream, parameters))
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continue;
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stream.SetCursorPos(streamPos);
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// Chargement de la ressource
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if (loader->second(resource, stream, parameters))
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return true;
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NazaraWarning("Loader failed");
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}
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NazaraError("Failed to load file: all loaders failed");
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return false;
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}
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template<typename Type, typename Parameters>
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void NzResourceLoader<Type, Parameters>::RegisterResourceFileLoader(const NzString& extensions, LoadFileFunction loadFile)
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{
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std::vector<NzString> exts;
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extensions.SplitAny(exts, " /\\*.,;|-_");
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for (const NzString& ext : exts)
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s_fileLoaders.insert(std::make_pair(ext, loadFile));
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}
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template<typename Type, typename Parameters>
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void NzResourceLoader<Type, Parameters>::RegisterResourceMemoryLoader(IsMemoryLoadingSupportedFunction isLoadingSupported, LoadMemoryFunction loadMemory)
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{
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s_memoryLoaders.push_back(std::make_pair(isLoadingSupported, loadMemory));
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}
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template<typename Type, typename Parameters>
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void NzResourceLoader<Type, Parameters>::RegisterResourceStreamLoader(IsStreamLoadingSupportedFunction isLoadingSupported, LoadStreamFunction loadStream)
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{
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s_streamLoaders.push_back(std::make_pair(isLoadingSupported, loadStream));
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}
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template<typename Type, typename Parameters>
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void NzResourceLoader<Type, Parameters>::UnregisterResourceFileLoader(const NzString& extensions, LoadFileFunction loadFile)
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{
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std::vector<NzString> exts;
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extensions.SplitAny(exts, " /\\*.,;|-_");
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for (const NzString& ext : exts)
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{
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// Récupération de tous les loaders de cette extension
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auto range = s_fileLoaders.equal_range(ext);
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for (auto it = range.first; it != range.second; ++it)
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{
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if (it->second == loadFile)
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{
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s_fileLoaders.erase(it);
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break;
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}
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}
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}
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//s_fileLoaders.erase(std::make_pair(ext, loadFile));
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}
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template<typename Type, typename Parameters>
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void NzResourceLoader<Type, Parameters>::UnregisterResourceMemoryLoader(IsMemoryLoadingSupportedFunction isLoadingSupported, LoadMemoryFunction loadMemory)
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{
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s_memoryLoaders.remove(std::make_pair(isLoadingSupported, loadMemory));
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}
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template<typename Type, typename Parameters>
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void NzResourceLoader<Type, Parameters>::UnregisterResourceStreamLoader(IsStreamLoadingSupportedFunction isLoadingSupported, LoadStreamFunction loadStream)
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{
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s_streamLoaders.remove(std::make_pair(isLoadingSupported, loadStream));
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}
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template<typename T, typename P> std::list<typename NzResourceLoader<T, P>::MemoryLoader> NzResourceLoader<T, P>::s_memoryLoaders;
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template<typename T, typename P> std::list<typename NzResourceLoader<T, P>::StreamLoader> NzResourceLoader<T, P>::s_streamLoaders;
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template<typename T, typename P> std::multimap<NzString, typename NzResourceLoader<T, P>::LoadFileFunction> NzResourceLoader<T, P>::s_fileLoaders;
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#include <Nazara/Utility/DebugOff.hpp>
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