3d max GTA Sa lighting

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@Tut
What kind of lighting does GTA Sa use? I do not think Vertex Color and Free Light should be used because light has shadows.
https://imgur.com/a/y951ZgP

[Tut]

In that picture it's only vertex colors being used. I imagine what Rockstar did is they painted in the shadows using the brush tool.

Another way of baking shadows in to your model is creating a Skylight or a Sun/daylight system as explained in this guide.