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BARS File Format
Yannik Marchand edited this page May 5, 2023
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AAL > Audio Resource (BARS)
A BARS file is an audio resource. BARS files are referenced by BARSLIST files.
| Offset | Size | Description |
|---|---|---|
| 0x0 | 4 | Magic number ("BARS") |
| 0x4 | 4 | Filesize |
| 0x8 | 2 | BOM (always 0xFEFF) |
| 0xA | 2 | Version number (0x0101) |
| 0xC | 4 | Number of assets |
| 0x10 | For each asset the CRC32 hash of its name. This table is used to look up the index of an asset. This table must be sorted, because a binary search is used. | |
| For each asset a file offset set. These entries must be ordered the same way as their hashes, because they are looked up by index, which is obtained by searching the hash table. | ||
| Audio meta files | ||
| Asset files |
AAL assumes that there are no hash collisions.
Asset files are aligned to a mulitple of 64 bytes.
These are absolute offsets.
| Offset | Size | Description |
|---|---|---|
| 0x0 | 4 | Offset to audio meta file |
| 0x4 | 4 | Offset to asset file (bfwav or bfstp) |
If a resource does not have an asset file, the offset to the asset file is -1.