void ApplyTileLights(EERIEPOLY * ep, const Vec2s & pos)
{
Color3f lightInfraFactor = Color3f::white;
if(player.m_improve) {
lightInfraFactor.r = 4.f;
}
TILE_LIGHTS * tls = &tilelights[pos.x][pos.y];
size_t nbvert = (ep->type & POLY_QUAD) ? 4 : 3;
for(size_t j = 0; j < nbvert; j++) {
if(tls->el.empty()) {
ep->tv[j].color = ep->v[j].color;
continue;
}
Color3f tempColor;
Color c = Color::fromRGBA(ep->v[j].color);
tempColor.r = c.r;
tempColor.g = c.g;
tempColor.b = c.b;
Vec3f & position = ep->v[j].p;
Vec3f & normal = ep->nrml[j];
for(size_t i = 0; i < tls->el.size(); i++) {
EERIE_LIGHT * light = tls->el[i];
Vec3f vLight = glm::normalize(light->pos - position);
float cosangle = glm::dot(normal, vLight);
if(cosangle > 0.f) {
float distance = fdist(light->pos, position);
if(distance <= light->fallstart) {
cosangle *= light->intensity * GLOBAL_LIGHT_FACTOR;
} else {
float p = ((light->fallend - distance) * light->falldiffmul);
if(p <= 0.f)
cosangle = 0.f;
else
cosangle *= p * (light->intensity * GLOBAL_LIGHT_FACTOR);
}
cosangle *= 0.5f;
tempColor += light->rgb255 * lightInfraFactor * cosangle;
}
}
u8 ir = clipByte255(tempColor.r);
u8 ig = clipByte255(tempColor.g);
u8 ib = clipByte255(tempColor.b);
ep->tv[j].color = Color(ir, ig, ib, 255).toRGBA();
}
}
ColorRGBA ApplyLight(const ShaderLight lights[],
const int lightsCount,
const glm::quat & quat,
const Vec3f & position,
const Vec3f & normal,
const ColorMod & colorMod,
float materialDiffuse
) {
Color3f tempColor = colorMod.ambientColor;
glm::quat inv = glm::inverse(quat);
// Dynamic lights
for(int l = 0; l != lightsCount; l++) {
const ShaderLight & light = lights[l];
Vec3f vLight = glm::normalize(light.pos - position);
Vec3f Cur_vLights = inv * vLight;
float cosangle = glm::dot(normal, Cur_vLights);
// If light visible
if(cosangle > 0.f) {
float distance = fdist(position, light.pos);
// Evaluate its intensity depending on the distance Light<->Object
if(distance <= light.fallstart) {
cosangle *= light.intensity * GLOBAL_LIGHT_FACTOR;
} else {
float p = ((light.fallend - distance) * light.falldiffmul);
if(p <= 0.f)
cosangle = 0.f;
else
cosangle *= p * (light.intensity * GLOBAL_LIGHT_FACTOR);
}
cosangle *= materialDiffuse;
tempColor += light.rgb255 * cosangle;
}
}
tempColor *= colorMod.factor;
tempColor += colorMod.term;
u8 ir = clipByte255(tempColor.r);
u8 ig = clipByte255(tempColor.g);
u8 ib = clipByte255(tempColor.b);
return Color(ir, ig, ib, 255).toRGBA();
}
