comparison engine/core/vfs/dat/rawdatadat2.cpp @ 0:4a0efb7baf70

* Datasets becomes the new trunk and retires after that :-)
author mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
date Sun, 29 Jun 2008 18:44:17 +0000
parents
children 90005975cdbb
comparison
equal deleted inserted replaced
-1:000000000000 0:4a0efb7baf70
1 /***************************************************************************
2 * Copyright (C) 2005-2008 by the FIFE team *
3 * http://www.fifengine.de *
4 * This file is part of FIFE. *
5 * *
6 * FIFE is free software; you can redistribute it and/or modify *
7 * it under the terms of the GNU General Public License as published by *
8 * the Free Software Foundation; either version 2 of the License, or *
9 * (at your option) any later version. *
10 * *
11 * This program is distributed in the hope that it will be useful, *
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
14 * GNU General Public License for more details. *
15 * *
16 * You should have received a copy of the GNU General Public License *
17 * along with this program; if not, write to the *
18 * Free Software Foundation, Inc., *
19 * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA *
20 ***************************************************************************/
21
22 // Standard C++ library includes
23 #include <algorithm>
24
25 // 3rd party library includes
26 #include <boost/scoped_array.hpp>
27 #include <boost/scoped_ptr.hpp>
28 #include <zlib.h>
29
30 // FIFE includes
31 // These includes are split up in two parts, separated by one empty line
32 // First block: files included from the FIFE root src directory
33 // Second block: files included from the same folder
34 #include "vfs/raw/rawdata.h"
35 #include "vfs/vfs.h"
36 #include "util/base/exception.h"
37
38 #include "rawdatadat2.h"
39
40 namespace FIFE {
41
42 RawDataDAT2::RawDataDAT2(VFS* vfs, const std::string& datfile, const s_info& info) :
43 RawDataMemSource(info.unpackedLength) {
44
45 boost::scoped_ptr<RawData> input (vfs->open(datfile));
46 input->setIndex(info.offset);
47
48 if (info.type == 1) { // compressed
49 boost::scoped_array<uint8_t> compressed(new uint8_t[info.packedLength]);
50 input->readInto(compressed.get(), info.packedLength);
51
52 uLongf dstlen = info.unpackedLength;
53 if (uncompress(getRawData(), &dstlen, compressed.get(), info.packedLength) != Z_OK || dstlen != info.unpackedLength) {
54 throw InvalidFormat("failed to decompress " + info.name + " (inside: " + datfile + ")");
55 }
56 } else {
57 input->readInto(getRawData(), info.unpackedLength);
58 }
59 }
60
61 }