d3d_fogcolor stores the values for the [4] fog colors.

ex: to dynamically adjust fog_color 1

fog_color = 1;
d3d_fogcolor.red = 255;
d3d_fogcolor.green = 0;
d3d_fogcolor.blue = 255;

PURPLE! I hate purple... lol.
Hope that explains...

xXxGuitar511
- Programmer