/**
* \brief Checks the collisions between all entities and a detector.
*
* This function is called when a detector wants to check entities,
* typically when the detector has just moved.
* If the map is suspended, this function does nothing.
*
* \param detector A detector.
*/
void Map::check_collision_from_detector(Detector& detector) {
if (suspended) {
return;
}
if (detector.is_being_removed()) {
return;
}
// First check the hero.
detector.check_collision(get_entities().get_hero());
// Check each entity with this detector.
Rectangle box = detector.get_extended_bounding_box(8);
std::vector<EntityPtr> entities_nearby;
entities->get_entities_in_rectangle(box, entities_nearby);
for (const EntityPtr& entity_nearby: entities_nearby) {
if (entity_nearby->is_enabled()
&& !entity_nearby->is_suspended()
&& !entity_nearby->is_being_removed()
&& entity_nearby.get() != &detector
) {
detector.check_collision(*entity_nearby);
}
}
}
