/**
* \brief Makes the teletransporter move the hero to the destination.
* \param hero the hero
*/
void Teletransporter::transport_hero(Hero& hero) {
if (transporting_hero) {
// already done
return;
}
std::string name = destination_name;
int hero_x = hero.get_x();
int hero_y = hero.get_y();
if (is_on_map_side()) {
// special destination point: side of the map
// we determine the appropriate side based on the teletransporter's position;
// we also place the hero on the old map so that its position corresponds to the new map
switch (destination_side) {
case 0:
name += '0'; // scroll to the west
hero_x = 0;
break;
case 1:
name += '1'; // scroll to the south
hero_y = get_map().get_height() + 5;
break;
case 2:
name += '2'; // scroll to the east
hero_x = get_map().get_width();
break;
case 3:
name += '3'; // scroll to the north
hero_y = 5;
break;
default:
Debug::die(std::string("Bad destination side for teletransporter '")
+ get_name() + "'");
}
}
transporting_hero = true;
get_lua_context()->teletransporter_on_activated(*this);
if (!sound_id.empty()) {
Sound::play(sound_id);
}
get_game().set_current_map(destination_map_id, name, transition_style);
hero.set_xy(hero_x, hero_y);
}
/**
* @brief Returns whether an entity's collides with this entity.
* @param entity an entity
* @return true if the entity's collides with this entity
*/
bool Teletransporter::test_collision_custom(MapEntity& entity) {
bool collision = false;
bool normal_case = true;
// specific collision tests for some situations
if (entity.is_hero()) {
Hero& hero = (Hero&) entity;
if (is_on_map_side()) {
// scrolling towards an adjacent map
Rectangle facing_point = hero.get_facing_point(transition_direction);
collision = hero.is_moving_towards(transition_direction)
&& overlaps(facing_point.get_x(), facing_point.get_y());
normal_case = false;
}
else if (!get_map().test_collision_with_border(get_center_point()) &&
hero.get_ground() == GROUND_HOLE) {
// falling into a hole
collision = overlaps(hero.get_ground_point());
normal_case = false;
}
}
// normal case
if (normal_case) {
const Rectangle& entity_rectangle = entity.get_bounding_box();
int x1 = entity_rectangle.get_x() + 4;
int x2 = x1 + entity_rectangle.get_width() - 9;
int y1 = entity_rectangle.get_y() + 4;
int y2 = y1 + entity_rectangle.get_height() - 9;
collision = overlaps(x1, y1) && overlaps(x2, y1) &&
overlaps(x1, y2) && overlaps(x2, y2);
}
if (!collision && !is_on_map_side()) {
transporting_hero = false;
}
return collision;
}
