diff options
Diffstat (limited to 'engines/sci')
| -rw-r--r-- | engines/sci/resource.cpp | 21 |
1 files changed, 18 insertions, 3 deletions
diff --git a/engines/sci/resource.cpp b/engines/sci/resource.cpp index d4715ca492..1f723f340a 100644 --- a/engines/sci/resource.cpp +++ b/engines/sci/resource.cpp @@ -1410,17 +1410,24 @@ int ResourceManager::readAudioMapSCI11(ResourceSource *map) { } // AUDIOnnn.MAP contains 10-byte entries: +// Early format: +// w 5 bits resource type and 11 bits resource number +// dw 7 bits volume number and 25 bits offset +// dw size +// Later format: // w nEntry // dw offset+volume (as in resource.map) // dw size // ending with 10 0xFFs - int ResourceManager::readAudioMapSCI1(ResourceSource *map, bool unload) { Common::File file; if (!file.open(map->location_name)) return SCI_ERROR_RESMAP_NOT_FOUND; + bool oldFormat = (file.readUint16LE() >> 11) == kResourceTypeAudio; + file.seek(0); + while (1) { uint16 n = file.readUint16LE(); uint32 offset = file.readUint32LE(); @@ -1434,8 +1441,16 @@ int ResourceManager::readAudioMapSCI1(ResourceSource *map, bool unload) { if (n == 0xffff) break; - byte volume_nr = offset >> 28; // most significant 4 bits - offset &= 0x0fffffff; // least significant 28 bits + byte volume_nr; + + if (oldFormat) { + n &= 0x07ff; // Mask out resource type + volume_nr = offset >> 25; // most significant 7 bits + offset &= 0x01ffffff; // least significant 25 bits + } else { + volume_nr = offset >> 28; // most significant 4 bits + offset &= 0x0fffffff; // least significant 28 bits + } ResourceSource *src = getVolume(map, volume_nr); |