/**
* \brief Creates an arrow.
* \param hero The hero.
*/
Arrow::Arrow(const Hero& hero):
Entity("", 0, hero.get_layer(), Point(0, 0), Size(0, 0)),
hero(hero) {
// initialize the entity
int direction = hero.get_animation_direction();
create_sprite("entities/arrow", true);
get_sprite().set_current_direction(direction);
set_drawn_in_y_order(true);
if (direction % 2 == 0) {
// Horizontal.
set_size(16, 8);
set_origin(8, 4);
}
else {
// Vertical.
set_size(8, 16);
set_origin(4, 8);
}
set_xy(hero.get_center_point());
notify_position_changed();
std::string path = " ";
path[0] = '0' + (direction * 2);
set_movement(std::make_shared<PathMovement>(
path, 192, true, false, false
));
disappear_date = System::now() + 10000;
stop_now = false;
entity_reached = nullptr;
}
/**
* @brief Sets the position of the entity or the point controlled by this movement.
* @param x the new x position
* @param y the new y position
*/
void Movement::set_xy(int x, int y) {
if (entity != NULL) {
entity->set_xy(x, y);
notify_position_changed();
}
else {
this->xy.set_xy(x, y);
}
last_move_date = System::now();
}
/**
* \brief Resets the block at its initial position.
*/
void Block::reset() {
if (get_movement() != nullptr) {
// the block was being pushed or pulled by the hero
clear_movement();
when_can_move = System::now() + moving_delay;
}
last_position = initial_position;
this->maximum_moves = initial_maximum_moves;
set_xy(initial_position);
notify_position_changed();
}
/**
* @brief Computes the position of the object controlled by this movement.
*
* This function should be called whenever the angle, the radius or the center changes.
*/
void CircleMovement::recompute_position() {
Rectangle center = this->center_point;
if (center_entity != NULL) {
center.add_xy(center_entity->get_xy());
}
const Rectangle &xy = Geometry::get_xy(center, Geometry::degrees_to_radians(current_angle), current_radius);
if (get_entity() == NULL
|| !test_collision_with_obstacles(xy.get_x() - get_entity()->get_x(), xy.get_y() - get_entity()->get_y())) {
set_xy(xy);
notify_position_changed();
}
else {
notify_obstacle_reached();
}
}
/**
* \brief Computes the position of the object controlled by this movement.
*
* This function should be called whenever the angle, the radius or the center changes.
*/
void CircleMovement::recompute_position() {
Point center = this->center_point;
if (center_entity != nullptr) {
center += center_entity->get_xy();
}
Point xy = Geometry::get_xy(center, Geometry::degrees_to_radians(current_angle), current_radius);
if (get_entity() == nullptr
|| !test_collision_with_obstacles(xy - get_entity()->get_xy())) {
set_xy(xy);
notify_position_changed();
}
else {
notify_obstacle_reached();
}
}
/**
* \brief Sets the position of the object controlled by this movement.
* \param xy The new coordinates.
*/
void Movement::set_xy(const Point& xy) {
if (entity != nullptr) {
// The object controlled is a map entity.
entity->set_xy(xy);
}
else if (drawable != nullptr) {
// The object controlled is a drawable.
drawable->set_xy(xy);
}
// The object controlled is a point.
this->xy = xy;
notify_position_changed();
last_move_date = System::now();
}
