Lights (Metroid Prime)

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Revision as of 02:20, 9 March 2015 by >Aruki (→‎Light: there is an extra value in there but I don't know the format well enough to tell where just yet)
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The Lights section in Metroid Prime areas defines several different types of lights: spot, point, directional, and custom. The exact behavior for each type of light is not entirely known, however they all use the same struct. The only difference is how they're utilized by the engine.


This file format needs a lot of research
Past power, nothing is really known.


Format

The header for the light section is extremely simple and consists of the magic, 0xBABEDEAD, followed by two arrays of lights, preceded by their count.

Light

Lights are a 0x41 byte long struct and consists of the following:

Offset Type Description
0x0 long Light Type
0x4 float3 Light Color
0x10 float3 Position
0x1C float3 Direction?
0x28 float Power; NOT intensity, intensity is calculated using this value.
0x2C float Angle?
0x30 float Unknown
0x34 float Unknown
0x38 byte Unknown
0x39 float Unknown
0x3D long Unknown
0x41 float Unknown
0x45 End of light