intensity_t lighting(scene_t *scene, entity_t *ent, hitinfo_t *hit) {
assert(ent->magic == ENTITY_T);
intensity_t returnIntensity = {0,0,0};
intensity_t tmpIntensity;
iterator_t *lightitr = newIterator(scene->lightList);
entity_t *light;
while((light = l_next(lightitr)) != NULL) {
tmpIntensity = processPointLight(scene, ent, light, hit);
returnIntensity.x = tmpIntensity.x + returnIntensity.x;
returnIntensity.y = tmpIntensity.y + returnIntensity.y;
returnIntensity.z = tmpIntensity.z + returnIntensity.z;
}
free(lightitr);
return(returnIntensity);
}
void ObjectLoader::loadLights(Object* object, XmlTreeNode* objectNode){
for(int i=0; i < objectNode->getChildNodes().size(); i++){
XmlTreeNode* lightNode = objectNode->getChildNodes()[i];
if(lightNode->getName().compare("Light")==0){
XmlNodeAttribute* typeAttribute = lightNode->searchForAttribute("type");
if(!typeAttribute){
Logger::getInstance()->logDebug(new Log("ObjectLoader#loadLights: Falta atributo \"type\" en etiqueta Light, se ignora la luz"));
return;
}
//Busco toda la informacion de la luz
//Dependiendo del tipo de luz consigo los parametros correspondientes
ObjectLight* light = NULL;
string lightType = typeAttribute->getValue();
if(lightType.compare("Spot")==0)
light = processSpotLight(object, lightNode);
else if(lightType.compare("Point")==0)
light = processPointLight(object, lightNode);
else if(lightType.compare("PointDiffuse")==0)
light = processPointDiffuseLight(object, lightNode);
else if(lightType.compare("Directional")==0)
light = processDirectionalLight(object, lightNode);
else{
Logger::getInstance()->logDebug(new Log("ObjectLoader#loadLights: Atributo \"type\" invalido, se ignora la luz"));
return;
}
//Cargo la sombra si es que hay
XmlNodeAttribute* shadowAtt = lightNode->searchForAttribute("castShadow");
if((shadowAtt)&&(shadowAtt->getValue().compare("true")==0)){
processShadow(lightNode, light);
}
// Agrego la luz al objeto
object->addLight(light);
}
}
}
