/**
* @brief Updates the entity.
*/
void Door::update() {
Detector::update();
if (!initialized) {
update_dynamic_tiles();
initialized = true;
}
if (is_closed()
&& get_opening_method() == OPENING_BY_EXPLOSION
&& get_equipment().has_ability("detect_weak_walls")
&& Geometry::get_distance(get_center_point(), get_hero().get_center_point()) < 40
&& !is_suspended()
&& System::now() >= next_hint_sound_date) {
Sound::play("cane");
next_hint_sound_date = System::now() + 500;
}
if (is_changing() && get_sprite().is_animation_finished()) {
// Toggle door_open when the changing animation finishes.
set_open(is_opening());
}
if (is_saved() && !is_changing()) {
bool open_in_savegame = get_savegame().get_boolean(savegame_variable);
if (open_in_savegame && is_closed()) {
set_opening();
}
else if (!open_in_savegame && is_open()) {
set_closing();
}
}
}
/**
* @brief Starts opening the door and plays the corresponding animations.
*
* Nothing is done if the door is already in the process of being open.
*/
void Door::open() {
if (is_open() || is_opening()) {
// The door is already open or being open: nothing to do.
return;
}
set_opening();
if (is_saved()) {
get_savegame().set_boolean(savegame_variable, true);
}
}
/**
* @brief Enables or disables the dynamic tiles related to this door.
*
* The dynamic tiles impacted by this function are the ones whose prefix is the door's name
* followed by "_closed" or "_open", depending on the door state.
*/
void Door::update_dynamic_tiles() {
std::list<MapEntity*> tiles = get_entities().get_entities_with_prefix(DYNAMIC_TILE, get_name() + "_closed");
std::list<MapEntity*>::iterator it;
for (it = tiles.begin(); it != tiles.end(); it++) {
DynamicTile* tile = static_cast<DynamicTile*>(*it);
tile->set_enabled(is_closed() || is_opening());
}
tiles = get_entities().get_entities_with_prefix(DYNAMIC_TILE, get_name() + "_open");
for (it = tiles.begin(); it != tiles.end(); it++) {
DynamicTile* tile = static_cast<DynamicTile*>(*it);
tile->set_enabled(is_open() || is_closing());
}
}
/* https://stackoverflow.com/a/2718114/6049386 , MIT, Feb 2018 */
static const char *match(const char *str)
{
if (*str == '\0' || is_closing(*str))
return str;
if (is_opening(*str)) {
const char *closer = match(str + 1);
if (is_matching(*str, *closer))
return match(closer + 1);
return str;
}
return match(++str);
}
