本文整理汇总了C++中PHYSFS_seek函数的典型用法代码示例。如果您正苦于以下问题：C++ PHYSFS_seek函数的具体用法？C++ PHYSFS_seek怎么用？C++ PHYSFS_seek使用的例子？那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。
在下文中一共展示了PHYSFS_seek函数的20个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于我们的系统推荐出更棒的C++代码示例。
示例1: switch
int OSBasics::seek(OSFILE * stream, long int offset, int origin ) {
switch(stream->fileType) {
case OSFILE::TYPE_FILE:
return fseek(stream->file, offset, origin);
break;
case OSFILE::TYPE_ARCHIVE_FILE:
switch(origin) {
case SEEK_SET:
return PHYSFS_seek(stream->physFSFile, offset);
break;
case SEEK_CUR: {
PHYSFS_sint64 curoffset = PHYSFS_tell(stream->physFSFile);
return PHYSFS_seek(stream->physFSFile, curoffset+offset);
}
break;
case SEEK_END: {
PHYSFS_sint64 fileLength = PHYSFS_fileLength(stream->physFSFile);
return PHYSFS_seek(stream->physFSFile, fileLength-offset);
}
break;
}
break;
}
return 0;
}
开发者ID:RobLach，项目名称:Polycode，代码行数:25，代码来源:OSBasics.cpp
示例2: switch
int
OggSoundFile::cb_seek(void* source, ogg_int64_t offset, int whence)
{
PHYSFS_file* file = reinterpret_cast<PHYSFS_file*> (source);
switch(whence) {
case SEEK_SET:
if(PHYSFS_seek(file, static_cast<PHYSFS_uint64> (offset)) == 0)
return -1;
break;
case SEEK_CUR:
if(PHYSFS_seek(file, PHYSFS_tell(file) + offset) == 0)
return -1;
break;
case SEEK_END:
if(PHYSFS_seek(file, PHYSFS_fileLength(file) + offset) == 0)
return -1;
break;
default:
#ifdef DEBUG
assert(false);
#else
return -1;
#endif
}
return 0;
}
开发者ID:slackstone，项目名称:tuxjunior，代码行数:27，代码来源:sound_file.cpp
示例3: funcSeek
static int funcSeek(struct SDL_RWops* context, int offset, int whence)
{
PHYSFS_file* file = (PHYSFS_file*) context->hidden.unknown.data1;
int res;
switch(whence) {
case SEEK_SET:
res = PHYSFS_seek(file, offset);
break;
case SEEK_CUR:
res = PHYSFS_seek(file, PHYSFS_tell(file) + offset);
break;
case SEEK_END:
res = PHYSFS_seek(file, PHYSFS_fileLength(file) + offset);
break;
default:
res = 0;
assert(false);
break;
}
if(res == 0) {
std::cerr << "Error seeking in file: " << PHYSFS_getLastError() << "\n";
return -1;
}
return (int) PHYSFS_tell(file);
}
开发者ID:BackupTheBerlios，项目名称:lincity-ng-svn，代码行数:26，代码来源:PhysfsSDL.cpp
示例4: state_get_game_id
int state_get_game_id(char *filename)
{
int version;
PHYSFS_file *fp;
int between_levels;
char mission[16];
char desc[DESC_LENGTH+1];
char id[5];
int dumbint;
mprintf((0, "Restoring multigame from [%s]\n", filename));
fp = PHYSFS_openRead(filename);
if (!fp) return 0;
//Read id
//FIXME: check for swapped file, react accordingly...
PHYSFS_read(fp, id, sizeof(char) * 4, 1);
if ( memcmp( id, dgss_id, 4 )) {
PHYSFS_close(fp);
return 0;
}
//Read version
PHYSFS_read(fp, &version, sizeof(int), 1);
if (version < STATE_COMPATIBLE_VERSION) {
PHYSFS_close(fp);
return 0;
}
// Read description
PHYSFS_read(fp, desc, sizeof(char) * DESC_LENGTH, 1);
// Skip the current screen shot...
PHYSFS_seek(fp, PHYSFS_tell(fp) + THUMBNAIL_W * THUMBNAIL_H);
// And now...skip the palette stuff that somebody forgot to add
PHYSFS_seek(fp, PHYSFS_tell(fp) + 768);
// Read the Between levels flag...
PHYSFS_read(fp, &between_levels, sizeof(int), 1);
Assert(between_levels == 0); //between levels save ripped out
// Read the mission info...
PHYSFS_read(fp, mission, sizeof(char) * 9, 1);
//Read level info
PHYSFS_read(fp, &dumbint, sizeof(int), 1);
PHYSFS_read(fp, &dumbint, sizeof(int), 1);
//Restore GameTime
PHYSFS_read(fp, &dumbint, sizeof(fix), 1);
PHYSFS_read(fp, &state_game_id, sizeof(int), 1);
return (state_game_id);
}
开发者ID:btb，项目名称:d2x，代码行数:57，代码来源:state.c
示例5: SDL_RWopsSeek
static Sint64 SDL_RWopsSeek(SDL_RWops *ops, int64_t offset, int whence)
{
PHYSFS_File *f = sdlPHYS(ops);
if (!f)
return -1;
int64_t base;
switch (whence)
{
default:
case RW_SEEK_SET :
base = 0;
break;
case RW_SEEK_CUR :
base = PHYSFS_tell(f);
break;
case RW_SEEK_END :
base = PHYSFS_fileLength(f);
break;
}
int result = PHYSFS_seek(f, base + offset);
return (result != 0) ? PHYSFS_tell(f) : -1;
}
开发者ID:AlexandreSousa，项目名称:mkxp，代码行数:27，代码来源:filesystem.cpp
示例6: ReadWholeFile
void File::ReadWholeFile(std::vector<char>& bytes)
{
if (PHYSFS_seek(impl->physfsFileHandle, 0) == 0)
{
throw Exception(std::string("Seek failed on file ") + mountedFilePath.path + "\n" + PHYSFS_getLastError());
}
int64_t fileSizeInBytes = SizeInBytes();
if (fileSizeInBytes == -1)
{
throw Exception(std::string("File sizing failed on file") + mountedFilePath.path + "\n" + PHYSFS_getLastError());
}
std::size_t bytesToRead = static_cast<size_t>(fileSizeInBytes);
std::size_t maxBytesToRead = std::numeric_limits<std::size_t>::max();
if (static_cast<uint64_t>(fileSizeInBytes) > maxBytesToRead)
{
bytesToRead = maxBytesToRead;
}
bytes.resize(bytesToRead);
int64_t bytesRead = Read(bytes.data(), bytesToRead);
if (static_cast<uint64_t>(bytesRead) != bytesToRead)
{
throw Exception(std::string("Failed to read whole file") + mountedFilePath.path + "\n" + PHYSFS_getLastError());
}
}
开发者ID:ShacharAvni，项目名称:Locus-Game-Engine，代码行数:32，代码来源:File.cpp
示例7: switch
bool File::Seek(std::size_t offset, DataStream::SeekType seekType)
{
std::size_t seekPosition = 0;
switch (seekType)
{
case SeekType::Beginning:
seekPosition = offset;
break;
case SeekType::Current:
seekPosition = CurrentPosition() + offset;
break;
case SeekType::End:
{
std::size_t sizeInBytes = SizeInBytes();
if (offset > sizeInBytes)
{
return false;
}
seekPosition = (sizeInBytes - offset);
}
break;
default:
return false;
}
return (PHYSFS_seek(impl->physfsFileHandle, seekPosition) != 0);
}
开发者ID:ShacharAvni，项目名称:Locus-Game-Engine，代码行数:33，代码来源:File.cpp
示例8: load_sound_file
SoundFile* load_sound_file(const std::string& filename)
{
if(filename.length() > 6
&& filename.compare(filename.length()-6, 6, ".music") == 0) {
return load_music_file(filename);
}
PHYSFS_file* file = PHYSFS_openRead(filename.c_str());
if(!file) {
std::stringstream msg;
msg << "Couldn't open '" << filename << "': " << PHYSFS_getLastError();
throw std::runtime_error(msg.str());
}
try {
char magic[4];
if(PHYSFS_read(file, magic, sizeof(magic), 1) != 1)
throw std::runtime_error("Couldn't read magic, file too short");
PHYSFS_seek(file, 0);
if(strncmp(magic, "RIFF", 4) == 0)
return new WavSoundFile(file);
else if(strncmp(magic, "OggS", 4) == 0)
return new OggSoundFile(file, 0, -1);
else
throw std::runtime_error("Unknown file format");
} catch(std::exception& e) {
std::stringstream msg;
msg << "Couldn't read '" << filename << "': " << e.what();
throw std::runtime_error(msg.str());
}
}
开发者ID:slackstone，项目名称:tuxjunior，代码行数:31，代码来源:sound_file.cpp
示例9: PHYSFS_tell
bool FileReadObject::seek(long finalPos, bool relativeMovement)
{
if (relativeMovement)
finalPos += PHYSFS_tell(mFileHandle);
return PHYSFS_seek(mFileHandle, finalPos);
}
开发者ID:DraconicEnt，项目名称:KGE，代码行数:7，代码来源:CFileReader.cpp
示例10: tell
sf::Int64 VFile::seek(sf::Int64 position)
{
auto ipos = static_cast<PHYSFS_uint64>(position);
if (!m_f || !check(PHYSFS_seek(m_f, ipos), 1, "seek"))
return -1;
return tell();
}
开发者ID:Oberon00，项目名称:jd，代码行数:7，代码来源:FileSystem.cpp
示例11: fs_seek
int fs_seek(fs_file fh, long offset, int whence)
{
PHYSFS_uint64 pos = 0;
PHYSFS_sint64 cur = PHYSFS_tell(fh->handle);
PHYSFS_sint64 len = PHYSFS_fileLength(fh->handle);
switch (whence)
{
case SEEK_SET:
pos = offset;
break;
case SEEK_CUR:
if (cur < 0)
return -1;
pos = cur + offset;
break;
case SEEK_END:
if (len < 0)
return -1;
pos = len + offset;
break;
}
return PHYSFS_seek(fh->handle, pos);
}
开发者ID:L0rdK，项目名称:neverball-sdl2，代码行数:27，代码来源:fs_physfs.c
示例12:
sf::Int64 PhysFSInputStream::seek(sf::Int64 position)
{
if ( File )
{
if ( PHYSFS_seek(File, (PHYSFS_uint64)position) == 0 ) return -1;
}
return position;
}
开发者ID:StevenChristy，项目名称:JSGameClient，代码行数:8，代码来源:PhysFSInputStream.cpp
示例13: PHYSFS_tell
bool physfsFile::prepareRead() {
PHYSFS_uint64 pos = PHYSFS_tell(fhandle);
PHYSFS_close(fhandle);
fhandle = PHYSFS_openRead(pname);
PHYSFS_seek(fhandle, pos);
//LOG_MSG("Goto read (%s at %i)",pname,PHYSFS_tell(fhandle));
return true;
}
开发者ID:Cliff-F，项目名称:Boxer，代码行数:8，代码来源:drive_physfs.cpp
示例14: PHYSFS_getWriteDir
bool physfsFile::prepareWrite() {
const char *wdir = PHYSFS_getWriteDir();
if (wdir == NULL) {
LOG_MSG("PHYSFS could not fulfill write request: no write directory set.");
return false;
}
//LOG_MSG("Goto write (%s at %i)",pname,PHYSFS_tell(fhandle));
const char *fdir = PHYSFS_getRealDir(pname);
PHYSFS_uint64 pos = PHYSFS_tell(fhandle);
char *slash = strrchr(pname,'/');
if (slash && slash != pname) {
*slash = 0;
PHYSFS_mkdir(pname);
*slash = '/';
}
if (strcmp(fdir,wdir)) { /* we need COW */
//LOG_MSG("COW",pname,PHYSFS_tell(fhandle));
PHYSFS_file *whandle = PHYSFS_openWrite(pname);
if (whandle == NULL) {
LOG_MSG("PHYSFS copy-on-write failed: %s.",PHYSFS_getLastError());
return false;
}
char buffer[65536];
PHYSFS_sint64 size;
PHYSFS_seek(fhandle, 0);
while ((size = PHYSFS_read(fhandle,buffer,1,65536)) > 0) {
if (PHYSFS_write(whandle,buffer,1,(PHYSFS_uint32)size) != size) {
LOG_MSG("PHYSFS copy-on-write failed: %s.",PHYSFS_getLastError());
PHYSFS_close(whandle);
return false;
}
}
PHYSFS_seek(whandle, pos);
PHYSFS_close(fhandle);
fhandle = whandle;
} else { // megayuck - physfs on posix platforms uses O_APPEND. We illegally access the fd directly and clear that flag.
//LOG_MSG("noCOW",pname,PHYSFS_tell(fhandle));
PHYSFS_close(fhandle);
fhandle = PHYSFS_openAppend(pname);
#ifndef WIN32
fcntl(**(int**)fhandle->opaque,F_SETFL,0);
#endif
PHYSFS_seek(fhandle, pos);
}
return true;
}
开发者ID:Cliff-F，项目名称:Boxer，代码行数:46，代码来源:drive_physfs.cpp
示例15:
sf::Int64 sf::PhysFSStream::seek(sf::Int64 position)
{
if (PHYSFS_seek(file, position) == 0)
{
return -1;
}
return position;
}
开发者ID:mewbak，项目名称:DGEngine，代码行数:8，代码来源:PhysFSStream.cpp
示例16: check_file_open
void File::seek(uint32_t target)
{
check_file_open();
if(!PHYSFS_seek( reinterpret_cast<PHYSFS_file*>(mHandle), target))
{
BOOST_THROW_EXCEPTION( PhysfsFileException(mFileName) );
}
}
开发者ID:EliasOenal，项目名称:blobby，代码行数:9，代码来源:File.cpp
示例17: wz_oggVorbis_seek
static int wz_oggVorbis_seek(void *datasource, ogg_int64_t offset, int whence)
{
PHYSFS_file* fileHandle;
BOOL allowSeeking;
int newPos;
ASSERT(datasource != NULL, "NULL decoder passed!");
fileHandle = ((struct OggVorbisDecoderState*)datasource)->fileHandle;
ASSERT(fileHandle != NULL, "Bad PhysicsFS file handle passed in");
allowSeeking = ((struct OggVorbisDecoderState*)datasource)->allowSeeking;
if (!allowSeeking)
return -1;
switch (whence)
{
// Seek to absolute position
case SEEK_SET:
newPos = offset;
break;
// Seek `offset` ahead
case SEEK_CUR:
{
int curPos = PHYSFS_tell(fileHandle);
if (curPos == -1)
return -1;
newPos = curPos + offset;
break;
}
// Seek backwards from the end of the file
case SEEK_END:
{
int fileSize = PHYSFS_fileLength(fileHandle);
if (fileSize == -1)
return -1;
newPos = fileSize - 1 - offset;
break;
}
// unrecognized seek instruction
default:
// indicate failure
return -1;
}
// PHYSFS_seek return value of non-zero means success
if (PHYSFS_seek(fileHandle, newPos) != 0)
return newPos; // success
else
return -1; // failure
}
开发者ID:cybersphinx，项目名称:wzgraphicsmods，代码行数:57，代码来源:oggvorbis.c
示例18: seek
bool File::seek(int pos)
{
if(file == 0)
return false;
if(!PHYSFS_seek(file, (PHYSFS_uint64)pos))
return false;
return true;
}
开发者ID:icedman，项目名称:lov8，代码行数:9，代码来源:physFile.cpp
示例19: seekpos
pos_type seekpos(pos_type pos, std::ios_base::openmode mode) {
PHYSFS_seek(file, pos);
if (mode & std::ios_base::in) {
setg(egptr(), egptr(), egptr());
}
if (mode & std::ios_base::out) {
setp(buffer, buffer);
}
return PHYSFS_tell(file);
}
开发者ID:dekimsey，项目名称:physfs-cpp，代码行数:10，代码来源:physfs.cpp
示例20: pos_type
IFileStreambuf::pos_type
IFileStreambuf::seekpos(pos_type pos, std::ios_base::openmode)
{
if(PHYSFS_seek(file, static_cast<PHYSFS_uint64> (pos)) == 0) {
return pos_type(off_type(-1));
}
// the seek invalidated the buffer
setg(buf, buf, buf);
return pos;
}
开发者ID:maxteufel，项目名称:supertux，代码行数:11，代码来源:ifile_streambuf.cpp
注：本文中的PHYSFS_seek函数示例由纯净天空整理自Github/MSDocs等源码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。 |
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