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More investigation into .obj, document sprite composition in .set

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Nick Thomas
2018-03-20 12:02:07 +00:00
parent fad7dec6ab
commit ee1d75d518
4 changed files with 55 additions and 2 deletions
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doc/formats/sets.md
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@@ -64,6 +64,17 @@ The `.MAP` files reference these tiles as palette entries. Each cell in the map
has an object index and frame number. I *suspect* the object index is relative
to the correct section of the palette. TODO: check this.
The references to objects can be qualified like `_N`. When pointing to an object
with multiple sprites in it, this seems to instruct WH40K_TD.exe to assemble the
sprites into one logical sprite with some height.
Example: pillar.obj. Only referred to as `pillar_2` in .set files. It has 6
frames: 2x bottom, middle and tops of pillars. All 6 sprites are shown
individually when referenced as `pillar`, but only 2 sprites, with a blue
height indicator (presuambly), are shown when referenced as `pillar_2`:
| ![pillar.obj as pillar](img/pillar_6_sprites.png) | |[pillar.obj as pillar_2](img/pillar_2_sprites_meta.png) |
## Remaining questions
Do positions in the palette have special meaning? e.g. is a particular range