/**
* Try to read offset and vertices data from file, return false on failure
* TODO: Read-error-check.
*/
bool CPathEstimator::ReadFile(const std::string& cacheFileName, const std::string& map)
{
const unsigned int hash = Hash();
char hashString[50];
sprintf(hashString, "%u", hash);
std::string filename = std::string(pathDir) + map + hashString + "." + cacheFileName + ".zip";
// open file for reading from a suitable location (where the file exists)
CArchiveZip* pfile = new CArchiveZip(filesystem.LocateFile(filename));
if (!pfile || !pfile->IsOpen()) {
delete pfile;
return false;
}
std::auto_ptr<CArchiveZip> auto_pfile(pfile);
CArchiveZip& file(*pfile);
const unsigned fid = file.FindFile("pathinfo");
if (fid < file.NumFiles()) {
pathChecksum = file.GetCrc32(fid);
std::vector<boost::uint8_t> buffer;
file.GetFile(fid, buffer);
if (buffer.size() < 4)
return false;
unsigned filehash = *((unsigned*)&buffer[0]);
if (filehash != hash)
return false;
unsigned pos = sizeof(unsigned);
// Read block-center-offset data.
const unsigned blockSize = moveinfo->moveData.size() * sizeof(int2);
if (buffer.size() < pos + blockSize * blockStates.GetSize())
return false;
for (int blocknr = 0; blocknr < blockStates.GetSize(); blocknr++) {
std::memcpy(&blockStates[blocknr].nodeOffsets[0], &buffer[pos], blockSize);
pos += blockSize;
}
// Read vertices data.
if (buffer.size() < pos + vertices.size() * sizeof(float))
return false;
std::memcpy(&vertices[0], &buffer[pos], vertices.size() * sizeof(float));
// File read successful.
return true;
} else {
return false;
}
}
/**
* Try to write offset and vertex data to file.
*/
void CPathEstimator::WriteFile(const std::string& cacheFileName, const std::string& map)
{
// We need this directory to exist
if (!filesystem.CreateDirectory(pathDir))
return;
const unsigned int hash = Hash();
char hashString[64] = {0};
sprintf(hashString, "%u", hash);
const std::string filename = std::string(pathDir) + map + hashString + "." + cacheFileName + ".zip";
zipFile file;
// open file for writing in a suitable location
file = zipOpen(filesystem.LocateFile(filename, FileSystem::WRITE).c_str(), APPEND_STATUS_CREATE);
if (file) {
zipOpenNewFileInZip(file, "pathinfo", NULL, NULL, 0, NULL, 0, NULL, Z_DEFLATED, Z_BEST_COMPRESSION);
// Write hash.
zipWriteInFileInZip(file, (void*) &hash, 4);
// Write block-center-offsets.
for (int blocknr = 0; blocknr < blockStates.GetSize(); blocknr++)
zipWriteInFileInZip(file, (void*) &blockStates[blocknr].nodeOffsets[0], moveinfo->moveData.size() * sizeof(int2));
// Write vertices.
zipWriteInFileInZip(file, &vertices[0], vertices.size() * sizeof(float));
zipCloseFileInZip(file);
zipClose(file, NULL);
// get the CRC over the written path data
CArchiveZip* pfile = new CArchiveZip(filesystem.LocateFile(filename));
if (!pfile || !pfile->IsOpen()) {
delete pfile;
return;
}
std::auto_ptr<CArchiveZip> auto_pfile(pfile);
CArchiveZip& file(*pfile);
const unsigned fid = file.FindFile("pathinfo");
assert(fid < file.NumFiles());
pathChecksum = file.GetCrc32(fid);
}
}
/*
Trying to read offset and vertices data from file.
Return false if failed.
TODO: Read-error-check.
*/
bool CPathEstimator::ReadFile(string name)
{
unsigned int hash=Hash();
char hashString[50];
sprintf(hashString,"%u",hash);
string filename = string("maps/paths/") + stupidGlobalMapname.substr(0, stupidGlobalMapname.find_last_of('.') + 1) + hashString + "." + name + ".zip";
// open file for reading from a suitable location (where the file exists)
CArchiveZip* pfile = NULL;
std::vector<std::string> filenames = filesystem.GetNativeFilenames(filename, true);
for (std::vector<std::string>::iterator it = filenames.begin(); it != filenames.end(); ++it) {
pfile = new CArchiveZip(*it);
if (pfile->IsOpen())
break;
delete pfile;
pfile = NULL;
}
if (!pfile)
return false;
std::auto_ptr<CArchiveZip> auto_pfile(pfile);
CArchiveZip& file(*pfile);
int fh = file.OpenFile("pathinfo");
if (fh) {
unsigned int filehash = 0;
//Check hash.
// info->AddLine("%i",hash);
file.ReadFile(fh, &filehash, 4);
if(filehash != hash)
return false;
//Read block-center-offset data.
int blocknr;
for(blocknr = 0; blocknr < nbrOfBlocks; blocknr++) {
file.ReadFile(fh, blockState[blocknr].sqrCenter, moveinfo->moveData.size() * sizeof(int2));
}
//Read vertices data.
file.ReadFile(fh, vertex, nbrOfVertices * sizeof(float));
//File read successful.
return true;
} else {
return false;
}
}
/*
* try to write offset and vertex data to file
*/
void CPathEstimator::WriteFile(std::string name) {
// We need this directory to exist
if (!filesystem.CreateDirectory("maps/paths"))
return;
unsigned int hash = Hash();
char hashString[50];
sprintf(hashString,"%u",hash);
std::string filename = std::string("maps/paths/") + stupidGlobalMapname.substr(0, stupidGlobalMapname.find_last_of('.') + 1) + hashString + "." + name + ".zip";
zipFile file;
// open file for writing in a suitable location
file = zipOpen(filesystem.LocateFile(filename, FileSystem::WRITE).c_str(), APPEND_STATUS_CREATE);
if (file) {
zipOpenNewFileInZip(file, "pathinfo", NULL, NULL, 0, NULL, 0, NULL, Z_DEFLATED, Z_BEST_COMPRESSION);
// Write hash.
unsigned int hash = Hash();
zipWriteInFileInZip(file, (void*) &hash, 4);
// Write block-center-offsets.
for (int blocknr = 0; blocknr < nbrOfBlocks; blocknr++) {
zipWriteInFileInZip(file, (void*) blockState[blocknr].sqrCenter, moveinfo->moveData.size() * sizeof(int2));
}
// Write vertices.
zipWriteInFileInZip(file, (void*) vertex, nbrOfVertices * sizeof(float));
zipCloseFileInZip(file);
zipClose(file, NULL);
// get the CRC over the written path data
CArchiveZip* pfile = SAFE_NEW CArchiveZip(filesystem.LocateFile(filename));
if (!pfile || !pfile->IsOpen()) {
delete pfile;
return;
}
std::auto_ptr<CArchiveZip> auto_pfile(pfile);
CArchiveZip& file(*pfile);
pathChecksum = file.GetCrc32("pathinfo");
}
}
/*
Trying to read offset and vertices data from file.
Return false if failed.
TODO: Read-error-check.
*/
bool CPathEstimator::ReadFile(string name)
{
unsigned int hash=Hash();
char hashString[50];
sprintf(hashString,"%u",hash);
string filename = string("maps/paths/") + stupidGlobalMapname.substr(0, stupidGlobalMapname.find_last_of('.') + 1) + hashString + "." + name + ".zip";
// open file for reading from a suitable location (where the file exists)
CArchiveZip* pfile = SAFE_NEW CArchiveZip(filesystem.LocateFile(filename));
if (!pfile || !pfile->IsOpen()) {
delete pfile;
return false;
}
std::auto_ptr<CArchiveZip> auto_pfile(pfile);
CArchiveZip& file(*pfile);
int fh = file.OpenFile("pathinfo");
if (fh) {
unsigned int filehash = 0;
//Check hash.
// logOutput.Print("%i",hash);
file.ReadFile(fh, &filehash, 4);
if(filehash != hash)
return false;
//Read block-center-offset data.
int blocknr;
for(blocknr = 0; blocknr < nbrOfBlocks; blocknr++) {
file.ReadFile(fh, blockState[blocknr].sqrCenter, moveinfo->moveData.size() * sizeof(int2));
}
//Read vertices data.
file.ReadFile(fh, vertex, nbrOfVertices * sizeof(float));
//File read successful.
return true;
} else {
return false;
}
}
