/**
* @brief Starts this state.
*
* This function is called automatically when this state becomes the active state of the hero.
*
* @param previous_state the previous state
*/
void Hero::PlayerMovementState::start(State *previous_state) {
hero.set_movement(new PlayerMovement(hero.get_walking_speed()));
if (is_current_state()) { // yes, the state may have already changed
get_player_movement()->compute_movement();
if (is_current_state()) {
if (get_wanted_movement_direction8() != -1) {
set_animation_walking();
}
else {
set_animation_stopped();
}
}
}
}
/**
* \brief Notifies this state that the walking speed has changed.
*
* If the hero can walk in this state, the state should modify its movement
* to set the new speed.
*/
void Hero::PlayerMovementState::notify_walking_speed_changed() {
if (get_player_movement() != NULL) {
get_player_movement()->set_moving_speed(hero.get_walking_speed());
}
}
/**
* \brief Returns the direction of the hero's movement as defined by the controls applied by the player
* and the movements allowed is the current state.
*
* If he is not moving, -1 is returned.
* This direction may be different from the real movement direction because of obstacles.
*
* \return the hero's wanted direction between 0 and 7, or -1 if he is stopped
*/
int Hero::PlayerMovementState::get_wanted_movement_direction8() {
return get_player_movement()->get_wanted_direction8();
}
