80 lines
2.2 KiB
C++
80 lines
2.2 KiB
C++
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/*
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* This file is part of the Colobot: Gold Edition source code
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* Copyright (C) 2001-2023, Daniel Roux, EPSITEC SA & TerranovaTeam
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* http://epsitec.ch; http://colobot.info; http://github.com/colobot
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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* See the GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see http://gnu.org/licenses
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*/
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#include "common/resources/sdl_memory_wrapper.h"
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#include "common/logger.h"
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#include <physfs.h>
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CSDLMemoryWrapper::CSDLMemoryWrapper(const std::string& filename)
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: m_rwops(nullptr)
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{
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GetLogger()->Trace("Opening SDL memory wrapper for file '%s'\n", filename.c_str());
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if (!PHYSFS_isInit())
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{
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GetLogger()->Error("PHYSFS not initialized!\n");
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return;
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}
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PHYSFS_File *file = PHYSFS_openRead(filename.c_str());
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if (file == nullptr)
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{
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GetLogger()->Error("Error opening file with PHYSFS: \"%s\"\n", filename.c_str());
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return;
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}
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PHYSFS_sint64 length = PHYSFS_fileLength(file);
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m_buffer = std::make_unique<char[]>(length);
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if (PHYSFS_readBytes(file, m_buffer.get(), length) != length)
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{
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GetLogger()->Error("Unable to read data for \"%s\"\n", filename.c_str());
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PHYSFS_close(file);
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return;
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}
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PHYSFS_close(file);
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m_rwops = SDL_RWFromMem(m_buffer.get(), length);
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if (m_rwops == nullptr)
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{
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GetLogger()->Error("Unable to allocate SDL_RWops for \"%s\"\n", filename.c_str());
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return;
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}
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}
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CSDLMemoryWrapper::~CSDLMemoryWrapper()
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{
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SDL_FreeRW(m_rwops);
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m_buffer.reset();
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}
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SDL_RWops* CSDLMemoryWrapper::GetHandler()
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{
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return m_rwops;
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}
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bool CSDLMemoryWrapper::IsOpen() const
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{
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return m_rwops != nullptr;
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}
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