/**
* \brief Notifies this custom entity that another entity has detected a
* collision with it.
* \param other_entity The other entity.
*/
void CustomEntity::notify_collision_from(MapEntity& other_entity) {
// See if we also detect the other entity, and if yes, do the callbacks.
if (test_collision_custom(other_entity)) {
notify_collision(other_entity, COLLISION_CUSTOM);
}
}
/**
* @brief Notifies this entity that it was just enabled or disabled.
* @param enabled true if the entity is now enabled
*/
void DynamicTile::notify_enabled(bool enabled) {
if (is_on_map()
&& !enabled
&& test_collision_custom(get_hero())) {
// the tile under the hero is disabled: the hero's ground may have changed
get_hero().check_position();
}
}
/**
* \brief Checks whether an entity collides with this detector.
*
* This function is called by the map when an entity has just moved.
* It checks whether the entity collides with this detector.
* Depending on the detector collision mode(s), the appropriate
* test_collision_* functions are called.
* If there is a collision, the notify_collision() method is called.
*
* \param entity the entity to check
*/
void Detector::check_collision(Entity& entity) {
if (&entity != this
&& (has_layer_independent_collisions() || get_layer() == entity.get_layer())) { // the entity is in the same layer as the detector
// detect the collision depending on the collision mode
if (has_collision_mode(COLLISION_OVERLAPPING) && test_collision_rectangle(entity)) {
notify_collision(entity, COLLISION_OVERLAPPING);
}
if (has_collision_mode(COLLISION_CONTAINING) && test_collision_inside(entity)) {
notify_collision(entity, COLLISION_CONTAINING);
}
if (has_collision_mode(COLLISION_ORIGIN) && test_collision_origin_point(entity)) {
notify_collision(entity, COLLISION_ORIGIN);
}
if (has_collision_mode(COLLISION_FACING) && test_collision_facing_point(entity)) {
if (entity.get_facing_entity() == nullptr) { // make sure only one entity can think "I am the facing entity"
entity.set_facing_entity(this);
}
notify_collision(entity, COLLISION_FACING);
}
if (has_collision_mode(COLLISION_TOUCHING) && test_collision_touching(entity)) {
notify_collision(entity, COLLISION_TOUCHING);
}
if (has_collision_mode(COLLISION_CENTER) && test_collision_center(entity)) {
notify_collision(entity, COLLISION_CENTER);
}
if (has_collision_mode(COLLISION_CUSTOM) && test_collision_custom(entity)) {
notify_collision(entity, COLLISION_CUSTOM);
}
}
}
