float CEnvModifier::sum (CEnvModifier& M, Fvector3& view)
{
float _dist_sq = view.distance_to_sqr(M.position);
if (_dist_sq>=(M.radius*M.radius)) return 0;
float _att = 1-_sqrt(_dist_sq)/M.radius; //[0..1];
float _power = M.power*_att;
far_plane += M.far_plane*_power;
fog_color.mad (M.fog_color,_power);
fog_density += M.fog_density*_power;
ambient.mad (M.ambient,_power);
// lmap_color.mad (M.lmap_color,_power);
sky_color.mad (M.sky_color,_power);
hemi_color.mad (M.hemi_color,_power);
return _power;
}
float CEnvModifier::sum(CEnvModifier& M, Fvector3& view)
{
float _dist_sq = view.distance_to_sqr(M.position);
if (_dist_sq >= (M.radius*M.radius))
return 0;
float _att = 1 - _sqrt(_dist_sq) / M.radius; //[0..1];
float _power = M.power*_att;
if (M.use_flags.test(eViewDist))
{
far_plane += M.far_plane*_power;
use_flags.set(eViewDist, TRUE);
}
if (M.use_flags.test(eFogColor))
{
fog_color.mad(M.fog_color, _power);
use_flags.set(eFogColor, TRUE);
}
if (M.use_flags.test(eFogDensity))
{
fog_density += M.fog_density*_power;
use_flags.set(eFogDensity, TRUE);
}
if (M.use_flags.test(eAmbientColor))
{
ambient.mad(M.ambient, _power);
use_flags.set(eAmbientColor, TRUE);
}
if (M.use_flags.test(eSkyColor))
{
sky_color.mad(M.sky_color, _power);
use_flags.set(eSkyColor, TRUE);
}
if (M.use_flags.test(eHemiColor))
{
hemi_color.mad(M.hemi_color, _power);
use_flags.set(eHemiColor, TRUE);
}
return _power;
}
void dx103DFluidRenderer::CalculateLighting(const dx103DFluidData &FluidData, FogLighting &LightData)
{
m_lstRenderables.clear_not_free();
LightData.Reset();
const dx103DFluidData::Settings &VolumeSettings = FluidData.GetSettings();
Fvector4 hemi_color = g_pGamePersistent->Environment().CurrentEnv->hemi_color;
//hemi_color.mul(0.2f);
hemi_color.mul(VolumeSettings.m_fHemi);
LightData.m_vLightIntencity.set(hemi_color.x, hemi_color.y, hemi_color.z);
LightData.m_vLightIntencity.add(g_pGamePersistent->Environment().CurrentEnv->ambient);
const Fmatrix &Transform = FluidData.GetTransform();
Fbox box;
box.min = Fvector3().set(-0.5f, -0.5f, -0.5f);
box.max = Fvector3().set( 0.5f, 0.5f, 0.5f);
box.xform(Transform);
Fvector3 center;
Fvector3 size;
box.getcenter(center);
box.getradius(size);
// Traverse object database
g_SpatialSpace->q_box
(
m_lstRenderables,
0, //ISpatial_DB::O_ORDERED,
STYPE_LIGHTSOURCE,
center,
size
);
u32 iNumRenderables = m_lstRenderables.size();
// Determine visibility for dynamic part of scene
for (u32 i=0; i<iNumRenderables; ++i)
{
ISpatial* spatial = m_lstRenderables[i];
// Light
light* pLight = (light*) spatial->dcast_Light();
VERIFY(pLight);
if (pLight->flags.bStatic) continue;
float d = pLight->position.distance_to(Transform.c);
float R = pLight->range + _max( size.x, _max( size.y, size.z ) );
if ( d >= R )
continue;
Fvector3 LightIntencity;
LightIntencity.set(pLight->color.r, pLight->color.g, pLight->color.b);
//LightIntencity.mul(0.5f);
//if (!pLight->flags.bStatic)
// LightIntencity.mul(0.5f);
float r = pLight->range;
float a = clampr(1.f - d/(r+EPS),0.f,1.f)*(pLight->flags.bStatic?1.f:2.f);
LightIntencity.mul(a);
LightData.m_vLightIntencity.add(LightIntencity);
}
//LightData.m_vLightIntencity.set( 1.0f, 0.5f, 0.0f);
//LightData.m_vLightIntencity.set( 1.0f, 1.0f, 1.0f);
}