diff options
Diffstat (limited to 'engines')
| -rw-r--r-- | engines/sci/engine/kfile.cpp | 17 |
1 files changed, 8 insertions, 9 deletions
diff --git a/engines/sci/engine/kfile.cpp b/engines/sci/engine/kfile.cpp index 6aad256664..995f421623 100644 --- a/engines/sci/engine/kfile.cpp +++ b/engines/sci/engine/kfile.cpp @@ -659,22 +659,21 @@ reg_t kFileIOWriteString(EngineState *s, int argc, reg_t *argv) { reg_t kFileIOSeek(EngineState *s, int argc, reg_t *argv) { uint16 handle = argv[0].toUint16(); - uint16 offset = ABS<int16>(argv[1].toSint16()); // can be negative + int16 offset = argv[1].toSint16(); uint16 whence = argv[2].toUint16(); debugC(kDebugLevelFile, "kFileIO(seek): %d, %d, %d", handle, offset, whence); FileHandle *f = getFileFromHandle(s, handle); if (f && f->_in) { - // Backward seeking isn't supported in zip file streams, thus adapt the - // parameters accordingly if games ask for such a seek mode. A known - // case where this is requested is the save file manager in Phantasmagoria - if (whence == SEEK_END) { - whence = SEEK_SET; - offset = f->_in->size() - offset; + const bool success = f->_in->seek(offset, whence); + if (getSciVersion() >= SCI_VERSION_2) { + if (success) { + return make_reg(0, f->_in->pos()); + } + return SIGNAL_REG; } - - return make_reg(0, f->_in->seek(offset, whence)); + return make_reg(0, success); } else if (f && f->_out) { error("kFileIOSeek: Unsupported seek operation on a writeable stream (offset: %d, whence: %d)", offset, whence); } |