/**
* @brief Creates a new destructible item with the specified subtype.
* @param name Unique name identifying the entity on the map or an empty string.
* @param layer layer of the destructible item to create on the map
* @param x x coordinate of the destructible item to create
* @param y y coordinate of the destructible item to create
* @param subtype subtype of destructible item to create
* @param treasure the pickable item that appears when the destructible
* item is lifted or cut
*/
Destructible::Destructible(const std::string& name, Layer layer, int x, int y,
Subtype subtype, const Treasure &treasure):
Detector(COLLISION_NONE, name, layer, x, y, 16, 16),
subtype(subtype),
treasure(treasure),
is_being_cut(false),
regeneration_date(0),
is_regenerating(false),
destruction_callback_ref(LUA_REFNIL) {
set_origin(8, 13);
create_sprite(get_animation_set_id());
// set the collision mode
if (features[subtype].can_be_lifted) {
add_collision_mode(COLLISION_FACING_POINT);
}
if (features[subtype].can_be_cut
|| features[subtype].can_explode) {
add_collision_mode(COLLISION_SPRITE);
}
if (has_special_ground()) { // display a special ground under the hero
add_collision_mode(COLLISION_CUSTOM);
}
}
/**
* \brief Notifies this detector that the player is interacting with it by
* pressing the action command.
*
* This function is called when the player presses the action command
* while the hero is facing this detector, and the action command effect lets
* him do this.
*/
void Destructible::notify_action_command_pressed() {
KeysEffect::ActionKeyEffect effect = get_keys_effect().get_action_key_effect();
if ((effect == KeysEffect::ACTION_KEY_LIFT || effect == KeysEffect::ACTION_KEY_LOOK)
&& features[subtype].can_be_lifted
&& !is_being_cut
&& !is_disabled()
&& !is_regenerating) {
int weight = features[subtype].weight;
if (get_equipment().has_ability("lift", weight)) {
uint32_t explosion_date = can_explode() ? System::now() + 6000 : 0;
get_hero().start_lifting(new CarriedItem(
get_hero(),
*this,
get_animation_set_id(),
get_destruction_sound_id(),
get_damage_on_enemies(),
explosion_date)
);
// play the sound
Sound::play("lift");
// create the pickable item
create_pickable();
// remove the item from the map
if (!features[subtype].can_regenerate) {
destruction_callback();
remove_from_map();
}
else {
// the item can actually regenerate
play_destroy_animation();
}
}
else {
if (features[subtype].can_be_cut
&& !features[subtype].can_explode
&& !get_equipment().has_ability("sword", 1)) {
get_game().start_dialog("_cannot_lift_should_cut", LUA_REFNIL);
}
else if (!get_equipment().has_ability("lift", 1)) {
get_game().start_dialog("_cannot_lift_too_heavy", LUA_REFNIL);
}
else {
get_game().start_dialog("_cannot_lift_still_too_heavy", LUA_REFNIL);
}
}
}
}
/**
* \copydoc Detector::notify_action_command_pressed
*/
bool Destructible::notify_action_command_pressed() {
KeysEffect::ActionKeyEffect effect = get_keys_effect().get_action_key_effect();
if ((effect == KeysEffect::ACTION_KEY_LIFT || effect == KeysEffect::ACTION_KEY_LOOK)
&& get_weight() != -1
&& !is_being_cut
&& !is_waiting_for_regeneration()
&& !is_regenerating) {
if (get_equipment().has_ability(Ability::LIFT, get_weight())) {
uint32_t explosion_date = get_can_explode() ? System::now() + 6000 : 0;
get_hero().start_lifting(std::make_shared<CarriedItem>(
get_hero(),
*this,
get_animation_set_id(),
get_destruction_sound(),
get_damage_on_enemies(),
explosion_date)
);
// Play the sound.
Sound::play("lift");
// Create the pickable treasure.
create_treasure();
if (!get_can_regenerate()) {
// Remove this destructible from the map.
remove_from_map();
}
else {
// The item can actually regenerate.
play_destroy_animation();
}
// Notify Lua.
get_lua_context().destructible_on_lifting(*this);
}
else {
// Cannot lift the object.
get_hero().start_grabbing();
get_lua_context().destructible_on_looked(*this);
}
return true;
}
return false;
}
/**
* \brief Sets the current direction of the sprite's animation and restarts the animation.
*
* If the specified direction is the current direction, nothing is done.
*
* \param current_direction the current direction
*/
void Sprite::set_current_direction(int current_direction) {
if (current_direction != this->current_direction) {
Debug::check_assertion(current_direction >= 0
&& current_direction < get_nb_directions(),
StringConcat() << "Invalid direction " << current_direction
<< " for sprite '" << get_animation_set_id()
<< "' in animation '" << current_animation_name << "'");
this->current_direction = current_direction;
set_current_frame(0, false);
if (lua_context != NULL) {
lua_context->sprite_on_direction_changed(*this, current_animation_name, current_direction);
lua_context->sprite_on_frame_changed(*this, current_animation_name, 0);
}
}
}