IDXA FILE
Index Array - Level and Character File
IDXA FILE
 |
| Hex | Translation | Meaning |
|---|---|---|
| 01 0C 01 00 | 268 | 00268-.IDXA |
| 01 00 00 06 | 3 | level 3 |
| AD DE | dead | not used |
| 16 00 00 00 | 22 | 22 packages follow (one package is edged in black) |
| Below follows the first package. | ||
| 00 00 00 80 | 0, high bit | PNTA package ID (used for: to build triangles with the points of the PNTA file) |
The file is encoded to save harddisk space. Oni decodes it as it's shown in the table below. The high bit marks the beginning of a new strip. In a strip a triangle uses always two of the three points of the previous triangle.
| Hex | Translation | Triangle 1 | Triangle 2 | Triangle 3 | Triangle 4 | Triangle 5 |
|---|---|---|---|---|---|---|
| Strip 1 | ||||||
| 00000080 | 0, high bit | 0 | ||||
| 02000000 | 2 | 2 | 1 | |||
| 01000000 | 1 | 1 | 2 | 1 | ||
| 05000000 | 5 | 5 | 5 | 4 | ||
| 04000000 | 4 | 4 | 5 | 4 | ||
| 07000000 | 7 | 7 | 7 | |||
| 06000000 | 6 | 6 | ||||
| Strip 2 | ||||||
| 0A000080 | 10, high bit | 10 | ||||
| 08000000 | 8 | 8 | 11 | |||
| 0B000000 | 11 | 11 | 8 | 11 | ||
| 0D000000 | 13 | 13 | 13 | |||
| 0C000000 | 12 | 12 | ||||
| Strip 3 | ||||||
| 0F000080 | 15, high bit | 15 | ||||
| 01000000 | 1 | 1 | 14 | |||
| 0E000000 | 14 | 14 | 1 | |||
| 04000000 | 4 | 4 | ||||
| Strip 4 | ||||||
| 02000080 | 2, high bit | 2 | ||||
| 00000000 | 0 | 0 | ||||
| 03000000 | 3 | 3 | ||||
| Strip 5 | ||||||
| 08000080 | 8, high bit | 8 | ||||
| 0A000000 | 10 | 10 | ||||
| 09000000 | 9 | 9 | ||||
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