static PyObject*
unpack_unpack(PyObject *self, PyObject *args)
{
FILE *fd;
const char *filename;
byte *buf;
dword rep;
unsigned actions_size;
PyObject *rep_id,
*header,
*actions,
*tuple;
if (!PyArg_ParseTuple(args, "s", &filename))
return NULL;
fd = fopen(filename, "rb");
if (fd == NULL) {
PyErr_SetString(PyExc_OSError, "Could not open replay file.");
return NULL;
}
/* Get the replay ID (must always be 0x53526572) */
unpack_section(fd, (byte *)&rep, sizeof(rep));
rep_id = PyInt_FromLong(rep);
/* Get the header. Its size is always 0x279. */
buf = malloc(HEADER_SIZE * sizeof(byte));
if (buf == NULL) {
PyErr_SetString(PyExc_MemoryError, "Could not allocate space.");
return NULL;
}
unpack_section(fd, buf, sizeof(byte) * HEADER_SIZE);
header = PyString_FromStringAndSize((char *)buf,
sizeof(byte) * HEADER_SIZE);
free(buf);
buf = NULL;
/* Get the size of the commands and then allocate them. */
unpack_section(fd, (byte *)&actions_size, sizeof(actions_size));
buf = malloc(sizeof(byte) * actions_size);
if (buf == NULL) {
PyErr_SetString(PyExc_MemoryError, "Could not allocate space.");
return NULL;
}
unpack_section(fd, buf, actions_size);
actions = PyString_FromStringAndSize((char *)buf,
sizeof(byte) * actions_size);
free(buf);
buf = NULL;
fclose(fd);
tuple = PyTuple_New(3);
PyTuple_SetItem(tuple, 0, rep_id);
PyTuple_SetItem(tuple, 1, header);
PyTuple_SetItem(tuple, 2, actions);
return tuple;
}
bool BWrepFile::Load(const char* pszFileName, int options, void *rwaheader, int size)
{
if (pszFileName == NULL)
return false;
// offset of RWA (if any)
#ifdef USE_RWA_CODE
m_rwaoffset=0;
#endif
bool bOk = _Open(pszFileName);
if(bOk)
{
long nRepID;
unpack_section(m_pFile, (byte*)&nRepID, sizeof(nRepID));
bOk = (nRepID == kBWREP_ID);
if (bOk)
{
// read header
bOk = (unpack_section(m_pFile, (byte*)&m_oHeader, kBWREP_HEADER_SIZE)==0);
m_oHeader.checkPlayerNameUnicity();
// read actions
#ifdef USE_ACTIONS_CODE
if(bOk) bOk = _LoadActions(m_pFile,(options&ADDACTIONS)==0,(options&LOADACTIONS)!=0);
// load map
#ifdef USE_MAP_CODE
if(bOk)
{
bOk = _LoadMap(m_pFile, (options&LOADMAP)!=0);
#ifdef USE_RWA_CODE
if(bOk && rwaheader!=0)
{
// read audio header and return file pointer on audio data
memset(rwaheader,0,size);
unsigned long *headerSize; headerSize=(unsigned long *)rwaheader;
if(fread(rwaheader,1,sizeof(long),m_pFile)==sizeof(long))
{
size_t readsize; readsize = min((unsigned long)size,*headerSize)-sizeof(long);
fread(((char*)rwaheader)+sizeof(long),1,readsize,m_pFile);
if(*headerSize>(unsigned long)size) fseek(m_pFile,(*headerSize)-size,SEEK_CUR);
m_rwaoffset = ftell(m_pFile);
}
}
#endif
}
#endif
#endif
}
_Close();
}
return bOk;
}
bool BWrepFile::_LoadMap(FILE *fp, bool decode)
{
// get section size
int mapSize=0;
unpack_section(fp, (byte*)&mapSize, sizeof(mapSize));
// alloc buffer to read it
byte *buffer = (byte *)calloc(mapSize,sizeof(byte));
if (buffer==0) return false;
// unpack map section in buffer
unpack_section(fp, buffer, mapSize);
// decode map (dont free buffer, it belongs to m_oMap now)
bool bOk = decode?m_oMap.DecodeMap(buffer,mapSize,m_oHeader.getMapWidth(),m_oHeader.getMapHeight()):true;
if(!decode) free(buffer);
return bOk;
}
bool BWrepFile::_LoadActions(FILE *fp, bool clear, bool decode)
{
// get section size
int cmdSize=0;
unpack_section(fp, (byte*)&cmdSize, sizeof(cmdSize));
// alloc buffer to read it
byte *buffer = (byte *)malloc(cmdSize * sizeof(byte));
if (buffer==0) return false;
// unpack cmd section in buffer
unpack_section(fp, buffer, cmdSize);
// decode all actions (dont free buffer, it belongs to m_oActions now)
bool bOk = decode ? m_oActions.DecodeActions(buffer,cmdSize, clear) : true;
if(!decode) free(buffer);
return bOk;
}
// get offset in file of audio part (if any, 0 if none)
unsigned long BWrepFile::GetAudioOffset(const char* pszFileName, void *header, int size)
{
unsigned long offset=0;
bool bOk = _Open(pszFileName);
if(!bOk) return 0;
long nRepID;
int res = unpack_section(m_pFile, (byte*)&nRepID, sizeof(nRepID));
if(nRepID != kBWREP_ID) goto Exit;
if(res!=0) goto Exit;
// read header
bOk = (unpack_section(m_pFile, (byte*)&m_oHeader, kBWREP_HEADER_SIZE)==0);
if(!bOk) goto Exit;
// get actions section size
int cmdSize; cmdSize=0;
res = unpack_section(m_pFile, (byte*)&cmdSize, sizeof(cmdSize));
if(res!=0) goto Exit;
// alloc buffer to read it
byte *buffer; buffer = (byte *)malloc(cmdSize * sizeof(byte));
if (buffer==0) goto Exit;
// unpack cmd section in buffer
res = unpack_section(m_pFile, buffer, cmdSize);
if(res!=0) goto Exit;
free(buffer);
// get map section size
int mapSize; mapSize=0;
res = unpack_section(m_pFile, (byte*)&mapSize, sizeof(mapSize));
if(res!=0) goto Exit;
// alloc buffer to read it
buffer = (byte *)malloc(mapSize * sizeof(byte));
if (buffer==0) goto Exit;
// unpack map section in buffer
res = unpack_section(m_pFile, buffer, mapSize);
if(res!=0) goto Exit;
free(buffer);
// read audio header and return file pointer on audio data
unsigned long *headerSize; headerSize=(unsigned long *)header;
if(fread(header,1,sizeof(long),m_pFile)!=sizeof(long)) goto Exit;
size_t readsize; readsize = min((unsigned long)size,*headerSize)-sizeof(long);
fread(((char*)header)+sizeof(long),1,readsize,m_pFile);
if(*headerSize>(unsigned long)size) fseek(m_pFile,(*headerSize)-size,SEEK_CUR);
offset = ftell(m_pFile);
Exit:
_Close();
return offset;
}
