port.grp_math pins the 40250 conventions: D3DXVec3Rotation applies the inverse rotation, GetRotationFromMatrix returns negated Z*X*Y angles, and CGraphicColor defaults to opaque white. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
port.grp_math pins the 40250 conventions: D3DXVec3Rotation applies the inverse rotation, GetRotationFromMatrix returns negated Z*X*Y angles, and CGraphicColor defaults to opaque white. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>