Before writing the converter, you must know the byte layout of .p2d. Example typical game format:
| Offset | Type | Field |
|--------|---------------|------------------|
| 0 | uint32 magic | 0x50324400 ("P2D\0") |
| 4 | uint16 width | pixels |
| 6 | uint16 height | pixels |
| 8 | uint8 bpp | bits per pixel (16, 24, 32) |
| 9 | uint8 flags | 1=has alpha, 2=mipmaps |
| 10 | uint32 data_offset | start of raw pixels |
| 14 | byte[] ... | raw pixel data (RGB565 or RGBA8888) |
If you don’t have a spec, you are inventing a format – define it clearly. png to p2d converter
The converter reads the PNG file and extracts:
When working with a PNG to P2D converter, you may encounter these issues. Before writing the converter, you must know the
For non-technical artists, there’s a simple Tkinter GUI that lets you click on a PNG color and assign it to a P2D layer instantly.
The convex hull of a P2D polygon can be used for visibility algorithms in stealth games. Converting a tree’s canopy PNG to P2D allows AI guards to "see" around semi-transparent foliage. The converter reads the PNG file and extracts:
On resource-limited devices like the Nintendo Switch or mobile phones, loading a binary P2D file is significantly faster than parsing a PNG and reconstructing polygons at runtime.