/**
* \brief This function is called by the engine when an entity overlaps the pickable item.
*
* If the entity is the player, we give him the item, and the map is notified
* to destroy it.
* \param entity_overlapping the entity overlapping the detector
* \param collision_mode the collision mode that detected the collision
*/
void Pickable::notify_collision(MapEntity& entity_overlapping, CollisionMode collision_mode) {
if (entity_overlapping.is_hero()) {
try_give_item_to_player();
}
else if (entity_followed == NULL) {
if (entity_overlapping.get_type() == ENTITY_BOOMERANG) {
Boomerang& boomerang = static_cast<Boomerang&>(entity_overlapping);
if (!boomerang.is_going_back()) {
boomerang.go_back();
}
entity_followed = &boomerang;
}
else if (entity_overlapping.get_type() == ENTITY_HOOKSHOT) {
Hookshot& hookshot = static_cast<Hookshot&>(entity_overlapping);
if (!hookshot.is_going_back()) {
hookshot.go_back();
}
entity_followed = &hookshot;
}
if (entity_followed != NULL) {
clear_movement();
set_movement(new FollowMovement(entity_followed, 0, 0, true));
falling_height = FALLING_NONE;
set_blinking(false);
}
}
}
/**
* \brief This function is called by the engine when an entity overlaps the pickable item.
*
* If the entity is the player, we give him the item, and the map is notified
* to destroy it.
* \param entity_overlapping the entity overlapping the detector
* \param collision_mode the collision mode that detected the collision
*/
void Pickable::notify_collision(MapEntity& entity_overlapping, CollisionMode /* collision_mode */) {
if (entity_overlapping.is_hero()) {
try_give_item_to_player();
}
else if (entity_followed == nullptr) {
MapEntityPtr shared_entity_overlapping =
std::static_pointer_cast<MapEntity>(entity_overlapping.shared_from_this());
if (entity_overlapping.get_type() == ENTITY_BOOMERANG) {
Boomerang& boomerang = static_cast<Boomerang&>(entity_overlapping);
if (!boomerang.is_going_back()) {
boomerang.go_back();
}
entity_followed = shared_entity_overlapping;
}
else if (entity_overlapping.get_type() == ENTITY_HOOKSHOT) {
Hookshot& hookshot = static_cast<Hookshot&>(entity_overlapping);
if (!hookshot.is_going_back()) {
hookshot.go_back();
}
entity_followed = shared_entity_overlapping;
}
if (entity_followed != nullptr) {
clear_movement();
set_movement(std::make_shared<FollowMovement>(
entity_followed, 0, 0, true
));
falling_height = FALLING_NONE;
set_blinking(false);
}
}
}
/**
* \brief Updates the pickable item.
*
* This function is called repeatedly by the map.
* This is a redefinition of Entity::update() to make
* the item blink and then disappear after an amount of time.
*/
void Pickable::update() {
// update the animations and the movement
Detector::update();
// update the shadow
if (shadow_sprite != nullptr) {
shadow_sprite->update();
}
shadow_xy.x = get_x();
if (!is_falling()) {
shadow_xy.y = get_y();
}
if (entity_followed != nullptr && entity_followed->is_being_removed()) {
if (entity_followed->get_type() == EntityType::BOOMERANG ||
entity_followed->get_type() == EntityType::HOOKSHOT) {
// The pickable may have been dropped by the boomerang/hookshot
// not exactly on the hero so let's fix this.
if (get_distance(get_hero()) < 16) {
try_give_item_to_player();
}
}
entity_followed = nullptr;
}
check_bad_ground();
if (!is_suspended()) {
// check the timer
uint32_t now = System::now();
// wait 0.7 second before allowing the hero to take the item
if (!can_be_picked && now >= allow_pick_date) {
can_be_picked = true;
falling_height = FALLING_NONE;
get_hero().check_collision_with_detectors();
}
else {
// make the item blink and then disappear
if (will_disappear) {
if (now >= blink_date && !get_sprite().is_blinking() && entity_followed == nullptr) {
set_blinking(true);
}
if (now >= disappear_date) {
remove_from_map();
}
}
}
}
}
