diff options
Diffstat (limited to 'code/qcommon')
-rw-r--r-- | code/qcommon/files.c | 44 |
1 files changed, 32 insertions, 12 deletions
diff --git a/code/qcommon/files.c b/code/qcommon/files.c index ecdc885..9baadb7 100644 --- a/code/qcommon/files.c +++ b/code/qcommon/files.c @@ -1361,6 +1361,8 @@ void QDECL FS_Printf( fileHandle_t h, const char *fmt, ... ) { FS_Write(msg, strlen(msg), h); } +#define PK3_SEEK_BUFFER_SIZE 65536 + /* ================= FS_Seek @@ -1369,7 +1371,6 @@ FS_Seek */ int FS_Seek( fileHandle_t f, long offset, int origin ) { int _origin; - char foo[65536]; if ( !fs_searchpaths ) { Com_Error( ERR_FATAL, "Filesystem call made without initialization\n" ); @@ -1383,19 +1384,38 @@ int FS_Seek( fileHandle_t f, long offset, int origin ) { } if (fsh[f].zipFile == qtrue) { - if (offset == 0 && origin == FS_SEEK_SET) { - // set the file position in the zip file (also sets the current file info) - unzSetCurrentFileInfoPosition(fsh[f].handleFiles.file.z, fsh[f].zipFilePos); - return unzOpenCurrentFile(fsh[f].handleFiles.file.z); - } else if (offset<65536) { - // set the file position in the zip file (also sets the current file info) - unzSetCurrentFileInfoPosition(fsh[f].handleFiles.file.z, fsh[f].zipFilePos); - unzOpenCurrentFile(fsh[f].handleFiles.file.z); - return FS_Read(foo, offset, f); - } else { - Com_Error( ERR_FATAL, "ZIP FILE FSEEK NOT YET IMPLEMENTED\n" ); + //FIXME: this is incomplete and really, really + //crappy (but better than what was here before) + byte buffer[PK3_SEEK_BUFFER_SIZE]; + int remainder = offset; + + Com_Printf( S_COLOR_YELLOW "%s %d %d\n", fsh[f].name, offset, origin ); + if( offset < 0 || origin == FS_SEEK_END ) { + Com_Error( ERR_FATAL, "Negative offsets and FS_SEEK_END not implemented " + "for FS_Seek on pk3 file contents\n" ); return -1; } + + switch( origin ) { + case FS_SEEK_SET: + unzSetCurrentFileInfoPosition(fsh[f].handleFiles.file.z, fsh[f].zipFilePos); + unzOpenCurrentFile(fsh[f].handleFiles.file.z); + //fallthrough + + case FS_SEEK_CUR: + while( remainder > PK3_SEEK_BUFFER_SIZE ) { + FS_Read( buffer, PK3_SEEK_BUFFER_SIZE, f ); + remainder -= PK3_SEEK_BUFFER_SIZE; + } + FS_Read( buffer, remainder, f ); + return offset; + break; + + default: + Com_Error( ERR_FATAL, "Bad origin in FS_Seek\n" ); + return -1; + break; + } } else { FILE *file; file = FS_FileForHandle(f); |