/**
* \brief Notifies this entity that the frame of one of its sprites has just changed.
* \param sprite the sprite
* \param animation the current animation
* \param frame the new frame
*/
void Explosion::notify_sprite_frame_changed(Sprite& /* sprite */, const std::string& /* animation */, int frame) {
if (frame == 1) {
// also detect non-pixel precise collisions
check_collision_with_detectors();
}
}
/**
* \brief This function is called repeatedly.
*/
void Bomb::update() {
Detector::update();
if (is_suspended()) {
return;
}
// check the explosion date
uint32_t now = System::now();
if (now >= explosion_date) {
explode();
}
else if (now >= explosion_date - 1500
&& get_sprite().get_current_animation() != "stopped_explosion_soon") {
get_sprite().set_current_animation("stopped_explosion_soon");
}
// destroy the movement once finished
if (get_movement() != nullptr && get_movement()->is_finished()) {
clear_movement();
}
// check collision with explosions, streams, etc.
check_collision_with_detectors();
}
/**
* \copydoc Entity::notify_created
*/
void Block::notify_created() {
Entity::notify_created();
check_collision_with_detectors();
update_ground_below();
}
/**
* \brief Sets the map.
*
* Warning: when this function is called during the map initialization,
* the current map of the game is still the old one.
*
* \param map The map.
*/
void Block::set_map(Map& map) {
Detector::set_map(map);
if (map.is_loaded()) {
// We are not during the map initialization phase.
check_collision_with_detectors(false);
update_ground_below();
}
}
/**
* \brief Updates this entity.
*/
void Fire::update() {
Detector::update();
if (get_sprite().is_animation_finished()) {
remove_from_map();
}
else {
check_collision_with_detectors(true);
}
}
/**
* @brief Notifies the block that it has just moved.
*/
void Block::notify_position_changed() {
// now we know that the block moves at least of 1 pixel:
// we can play the sound
if (!sound_played) {
Sound::play("hero_pushes");
sound_played = true;
}
check_collision_with_detectors(false);
}
/**
* \brief Notifies the block that it has just moved.
*/
void Block::notify_position_changed() {
// now we know that the block moves at least of 1 pixel:
// we can play the sound
if (get_movement() != NULL && !sound_played) {
Sound::play("hero_pushes");
sound_played = true;
}
check_collision_with_detectors(false);
update_ground_below();
if (are_movement_notifications_enabled()) {
get_lua_context().entity_on_position_changed(*this, get_xy(), get_layer());
}
}
/**
* \brief Updates this entity.
*/
void Arrow::update() {
MapEntity::update();
if (is_suspended()) {
return;
}
uint32_t now = System::now();
// stop the movement if necessary (i.e. stop() was called)
if (stop_now) {
clear_movement();
stop_now = false;
if (entity_reached != NULL) {
// the arrow just hit an entity (typically an enemy) and this entity may have a movement
Rectangle dxy(get_x() - entity_reached->get_x(), get_y() - entity_reached->get_y());
set_movement(new FollowMovement(entity_reached, dxy.get_x(), dxy.get_y(), true));
}
}
if (entity_reached != NULL) {
// see if the entity reached is still valid
if (is_stopped()) {
// the arrow is stopped because the entity that was reached just disappeared
disappear_date = now;
}
else if (entity_reached->get_type() == ENTITY_DESTRUCTIBLE && !entity_reached->is_obstacle_for(*this)) {
disappear_date = now;
}
else if (entity_reached->get_type() == ENTITY_ENEMY && ((Enemy*) entity_reached)->is_dying()) {
// the enemy is dying
disappear_date = now;
}
}
// see if the arrow just hit a wall or an entity
bool reached_obstacle = false;
if (get_sprite().get_current_animation() != "reached_obstacle") {
if (entity_reached != NULL) {
// the arrow was just attached to an entity
reached_obstacle = true;
}
else if (is_stopped()) {
if (has_reached_map_border()) {
// the map border was reached: destroy the arrow
disappear_date = now;
}
else {
// the arrow has just hit another obstacle
reached_obstacle = true;
}
}
}
if (reached_obstacle) {
// an obstacle or an entity was just reached
disappear_date = now + 1500;
get_sprite().set_current_animation("reached_obstacle");
Sound::play("arrow_hit");
if (entity_reached == NULL) {
clear_movement();
}
check_collision_with_detectors(false);
}
// destroy the arrow when disappear_date is reached
if (now >= disappear_date) {
remove_from_map();
}
}