OBD:OSBD/OSAm
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Minimal data, just to get the page started.
| Hex | Translation | Meaning |
| 6D 41 53 4F | OSAm | Oni Sound Ambient |
| C8 00 00 00 | 200 | 200 bytes; size of the part that follows |
| 06 00 00 00 | 6 | version (see below) |
| 01 00 00 00 | 1 | priority; the following priorities are possible (values in dec): 0 - low 1 - normal 2 - high 3 - highest |
| 04 00 00 00 | 4 | sound options bitset: 1 - interrupt tracks on stop 2 - play only once 4 - can pan |
| 00 00 20 41 | 10.000000 | unknown |
| 00 00 80 3F | 1.000000 | minimum elapsed time in seconds |
| 00 00 80 3F | 1.000000 | maximum elapsed time in seconds |
| 00 00 20 41 | 10.000000 | minimum volume distance |
| 00 00 48 42 | 50.000000 | maximum volume distance |
| not used | detail track name (reference to a .grp.OSBD file) | |
| aircon5lp | base track 1 name (reference to 06375-aircon5lp.grp.OSBD) | |
| not used | base track 2 name (reference to a .grp.OSBD file) | |
| not used | in sound name (reference to a .grp.OSBD file) | |
| not used | out sound name (reference to a .grp.OSBD file) | |
| 03 00 00 00 | 3 | unknown (present in version 5 and above, default is 3) |
| 00 00 00 00 | 0.000000 | unknown (present in version 6 and above, default is 0.0) |
| filler | not used | |
(Possible field names for the "unknown" fields are: sphere radius, min. occlusion and threshold.)
- Version
- Just as for other OSBD, there have been several version of the binary format.
- Over time, some fields that used to be hardcoded became customizeable on a group-per-group basis.
- Thus, later versions include some extra fields as compared to earlier ones.
- The above example belongs to the latest OSAm version encountered in Oni: 6.
- Lower versions lack certain fields, and the following content is simply shifted backwards.
- Versions of OSAm occurring in Oni are 4, 5 and 6.