// returns light in range from 0 to 1.
colorVec R_LightPoint (Vector& p)
{
SurfaceHandle_t surfID;
Vector end;
colorVec c;
Vector color;
end[0] = p[0];
end[1] = p[1];
end[2] = p[2] - 2048;
surfID = R_LightVec( p, end, true, color );
if( IS_SURF_VALID( surfID ) )
{
c.r = LinearToScreenGamma( color[0] ) * 255;
c.g = LinearToScreenGamma( color[1] ) * 255;
c.b = LinearToScreenGamma( color[2] ) * 255;
c.a = 1;
}
else
{
c.r = c.g = c.b = c.a = 0;
}
return c;
}
//-----------------------------------------------------------------------------
// A method to get the material color + texture coordinate
//-----------------------------------------------------------------------------
IMaterial* BrushModel_GetLightingAndMaterial( const Vector &start,
const Vector &end, Vector &diffuseLightColor, Vector &baseColor)
{
float textureS, textureT;
IMaterial *material;
int surfID = R_LightVec( start, end, true, diffuseLightColor, &textureS, &textureT );
if( !IS_SURF_VALID( surfID ) || !MSurf_TexInfo( surfID ) )
{
// Con_Printf( "didn't hit anything\n" );
return 0;
}
else
{
material = MSurf_TexInfo( surfID )->material;
material->GetLowResColorSample( textureS, textureT, baseColor.Base() );
// Con_Printf( "%s: diff: %f %f %f base: %f %f %f\n", material->GetName(), diffuseLightColor[0], diffuseLightColor[1], diffuseLightColor[2], baseColor[0], baseColor[1], baseColor[2] );
return material;
}
}
