00001 /*************************************************************************** 00002 * Copyright (C) 2005-2008 by the FIFE team * 00003 * http://www.fifengine.de * 00004 * This file is part of FIFE. * 00005 * * 00006 * FIFE is free software; you can redistribute it and/or * 00007 * modify it under the terms of the GNU Lesser General Public * 00008 * License as published by the Free Software Foundation; either * 00009 * version 2.1 of the License, or (at your option) any later version. * 00010 * * 00011 * This library is distributed in the hope that it will be useful, * 00012 * but WITHOUT ANY WARRANTY; without even the implied warranty of * 00013 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * 00014 * Lesser General Public License for more details. * 00015 * * 00016 * You should have received a copy of the GNU Lesser General Public * 00017 * License along with this library; if not, write to the * 00018 * Free Software Foundation, Inc., * 00019 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA * 00020 ***************************************************************************/ 00021 00022 // Standard C++ library includes 00023 #include <algorithm> 00024 00025 // 3rd party library includes 00026 #include <boost/scoped_array.hpp> 00027 #include <boost/scoped_ptr.hpp> 00028 #include <zlib.h> 00029 00030 // FIFE includes 00031 // These includes are split up in two parts, separated by one empty line 00032 // First block: files included from the FIFE root src directory 00033 // Second block: files included from the same folder 00034 #include "vfs/raw/rawdata.h" 00035 #include "vfs/vfs.h" 00036 #include "util/base/exception.h" 00037 00038 #include "rawdatadat2.h" 00039 00040 namespace FIFE { 00041 00042 RawDataDAT2::RawDataDAT2(VFS* vfs, const std::string& datfile, const s_info& info) : 00043 RawDataMemSource(info.unpackedLength) { 00044 00045 boost::scoped_ptr<RawData> input (vfs->open(datfile)); 00046 input->setIndex(info.offset); 00047 00048 if (info.type == 1) { // compressed 00049 boost::scoped_array<uint8_t> compressed(new uint8_t[info.packedLength]); 00050 input->readInto(compressed.get(), info.packedLength); 00051 00052 uLongf dstlen = info.unpackedLength; 00053 if (uncompress(getRawData(), &dstlen, compressed.get(), info.packedLength) != Z_OK || dstlen != info.unpackedLength) { 00054 throw InvalidFormat("failed to decompress " + info.name + " (inside: " + datfile + ")"); 00055 } 00056 } else { 00057 input->readInto(getRawData(), info.unpackedLength); 00058 } 00059 } 00060 00061 }