FIFE  6e1afdbeda11afe9ac53e6023a4be96ef88f1dc6
rawdatadat2.cpp
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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 }
The needed information for the extraction.
Definition: rawdatadat2.h:51
RawDataDAT2(VFS *vfs, const std::string &datfile, const s_info &info)
Constructor.
Definition: rawdatadat2.cpp:42
Simpe RawDataSource that reads data from raw memory.
RawData * open(const std::string &path)
Open a file.
Definition: vfs.cpp:172
unsigned char uint8_t
Definition: core.h:38
uint8_t * getRawData() const
Get a Pointer to the data You need to use this function to fill the class with meaningfull data...
the main VFS (virtual file system) class
Definition: vfs.h:58