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Update Design Doc: `level` tool

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Ashley N. 2023-10-10 23:03:53 +00:00
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commit 90553ee473
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Design-Doc%3A-%60level%60-tool.md

@ -62,7 +62,15 @@ While the above format contains the graphics, this contains the nametable settin
* This contains entries in [VDP nametable format](https://md.railgun.works/index.php?title=VDP#Nametables), in tile layer B followed by tile layer A, sized according to your settings in Tiled Map Editor. DMA this to the nametable location in each respective layer.
### .lvc Format (Level Collision Map)
The collision map is just an array of 8-bit unsigned integers laid out with the same tile dimensions as your visible layers. 0 is a free area, while 1 is a collision area.
The collision map contains bounding boxes drawn in Tiled editor that your map can check against each iteration of the game loop.
```
2 bytes: Number of bounding boxes
For (Number of bounding boxes):
2 bytes: X dimension
2 bytes: Y dimension
2 bytes: X2 dimension (x + width)
2 bytes: Y2 dimension (y + height)
```
### .spt Format (Sprite Table)
The Sprite Table contains a mapping of sprites to tile indices, as well as their tile dimensions and number of animation frames.