| 182 | } |
| 183 | |
| 184 | bool LfdArchive::seekFile(s32 offset, s32 origin) |
| 185 | { |
| 186 | if (m_curFile < 0) { return false; } |
| 187 | size_t size = m_fileList.entries[m_curFile].LENGTH; |
| 188 | |
| 189 | switch (origin) |
| 190 | { |
| 191 | case SEEK_SET: |
| 192 | { |
| 193 | m_fileOffset = offset; |
| 194 | } break; |
| 195 | case SEEK_CUR: |
| 196 | { |
| 197 | m_fileOffset += offset; |
| 198 | } break; |
| 199 | case SEEK_END: |
| 200 | { |
| 201 | m_fileOffset = (s32)size - offset; |
| 202 | } break; |
| 203 | } |
| 204 | assert(m_fileOffset <= size && m_fileOffset >= 0); |
| 205 | if (m_fileOffset > size || m_fileOffset < 0) |
| 206 | { |
| 207 | m_fileOffset = 0; |
| 208 | return false; |
| 209 | } |
| 210 | |
| 211 | m_file.seek(m_fileList.entries[m_curFile].IX + m_fileOffset); |
| 212 | return true; |
| 213 | } |
| 214 | |
| 215 | size_t LfdArchive::getLocInFile() |
| 216 | { |