| 191 | } |
| 192 | |
| 193 | bool GobArchive::seekFile(s32 offset, s32 origin) |
| 194 | { |
| 195 | if (m_curFile < 0) { return false; } |
| 196 | size_t size = m_fileList.entries[m_curFile].LEN; |
| 197 | |
| 198 | switch (origin) |
| 199 | { |
| 200 | case SEEK_SET: |
| 201 | { |
| 202 | m_fileOffset = offset; |
| 203 | } break; |
| 204 | case SEEK_CUR: |
| 205 | { |
| 206 | m_fileOffset += offset; |
| 207 | } break; |
| 208 | case SEEK_END: |
| 209 | { |
| 210 | m_fileOffset = (s32)size - offset; |
| 211 | } break; |
| 212 | } |
| 213 | assert(m_fileOffset <= size && m_fileOffset >= 0); |
| 214 | if (m_fileOffset > size || m_fileOffset < 0) |
| 215 | { |
| 216 | m_fileOffset = 0; |
| 217 | return false; |
| 218 | } |
| 219 | |
| 220 | m_file.seek(m_fileList.entries[m_curFile].IX + m_fileOffset); |
| 221 | return true; |
| 222 | } |
| 223 | |
| 224 | size_t GobArchive::getLocInFile() |
| 225 | { |