Method AdjustShadowComplexity

engine/Poseidon/World/Scene/SceneDraw.cpp:631–704

static int ShadowFactor(Scene* scene)
{
    float addLightsFactor = scene->MainLight()->NightEffect();
    float skyCoef = floatMin(scene->GetLandscape()->SkyThrough(), 0.6f);
    float shadowFactor = skyCoef + 0.1f;
    return toIntFloor(shadowFactor * (1 - addLightsFactor) * 255);
}

int Scene::AdjustShadowComplexity(SortObjectList& objs)
{
#if 1
    int totalComplexity = 0;

    int shadowFactorI = ShadowFactor(this);

    for (int i = 0; i < objs.Size(); i++)
    {
        SortObject* oi = objs[i];
        Object* obj = oi->object;
        LODShape* shape = oi->shape;
        if (!shape)
        {
            continue;
        }
        if (!(shape->Special() & NoShadow) && oi->distance2 < Square(_shadowFogMaxRange) && shadowFactorI >= 12 &&
            obj->CastShadow())
        {
            int level = LevelShadowFromDistance2(shape, oi->distance2, obj->Scale(), obj->Direction(),
                                                 _mainLight->ShadowDirection());
            if (level != LOD_INVISIBLE)
            {
                level = shape->FindNearestWithoutProperty(level, "lodnoshadow");
                if (level < 0)
                {
                    level = LOD_INVISIBLE;
                }
            }
            oi->shadowLOD = level;
        }
        else
        {
            oi->shadowLOD = LOD_INVISIBLE;
        }
        if (oi->shadowLOD != LOD_INVISIBLE)
        {
            // check number of faces in given level
            Shape* level = shape->Level(oi->shadowLOD);
            totalComplexity += level->NFaces();
        }
    }
    return totalComplexity;
#else

    float addLightsFactor = MainLight()->NightEffect();
    float skyCoef = floatMin(GetLandscape()->SkyThrough(), 0.6f);
    float shadowFactor = skyCoef + 0.1f;
    int shadowFactorI = toIntFloor(shadowFactor * (1 - addLightsFactor) * 255);

    for (int i = 0; i < objs.Size(); i++)