/**
* \brief Destroys the item while it is being thrown.
*/
void CarriedItem::break_item() {
if (is_throwing && throwing_direction != 3) {
// destroy the item where it is actually drawn
set_y(get_y() - item_height);
}
get_movement()->stop();
if (!can_explode()) {
if (!destruction_sound_id.empty()) {
Sound::play(destruction_sound_id);
}
if (get_sprite().has_animation("destroy")) {
get_sprite().set_current_animation("destroy");
}
else {
remove_from_map();
}
}
else {
get_entities().add_entity(std::make_shared<Explosion>(
"", get_layer(), get_xy(), true
));
Sound::play("explosion");
if (is_throwing) {
remove_from_map(); // because if the item was still carried by the hero, then the hero class will destroy it
}
}
is_throwing = false;
is_breaking = true;
}
void process_request(int fd) {
if (server.clients[fd] == NULL) {
return;
}
buffer* in_buf = server.clients[fd] -> in_buf;
buffer* out_buf = server.clients[fd] -> out_buf;
int i, len = buflen(in_buf);
int req_len_end_pos = -1;
for (i = 0; i < len; i++) {
if (in_buf -> buf[i] == SEPARATOR) {
req_len_end_pos = i;
break;
}
}
if (req_len_end_pos == -1) {
return;
}
int req_len = -1;
char tmp;
sscanf(in_buf -> buf, "%d%c", &req_len, &tmp);
if (len - req_len_end_pos - 1 < req_len) {
return;
}
char op[100], *rest, tmp_buf[1024];
memcpy(tmp_buf, in_buf -> buf + req_len_end_pos + 1, req_len * sizeof(char));
tmp_buf[req_len] = '\0';
sscanf(tmp_buf, "%s", op);
rest = tmp_buf + strlen(op) + 1;
if (strcmp(op, "GET") == 0) {
void* res = get_from_map(server.db, rest);
if (res) {
append_to_buffer(out_buf, (char*) res);
} else {
append_to_buffer(out_buf, "");
}
} else if (strcmp(op, "SET") == 0) {
char key[100], value[100];
sscanf(rest, "%s %s", key, value);
free(remove_from_map(server.db, key));
char* kivi_obj = malloc((strlen(value) + 1) * sizeof(char));
memcpy(kivi_obj, value, (strlen(value) + 1) * sizeof(char));
put_in_map(server.db, key, kivi_obj);
append_to_buffer(out_buf, "OK");
} else if (strcmp(op, "DEL") == 0) {
free(remove_from_map(server.db, rest));
append_to_buffer(out_buf, "OK");
}
memcpy(in_buf -> buf, in_buf -> buf + req_len_end_pos + 1 + req_len, (len - req_len_end_pos - 1 - req_len) * sizeof(char));
in_buf -> end_pos -= req_len_end_pos + 1 + req_len;
in_buf -> buf[in_buf -> end_pos] = '\0';
}
/**
* @brief Updates the item.
*/
void Destructible::update() {
MapEntity::update();
if (suspended) {
return;
}
if (is_being_cut && get_sprite().is_animation_finished()) {
if (!features[subtype].can_regenerate) {
// remove the item from the map
destruction_callback();
remove_from_map();
}
else {
is_being_cut = false;
regeneration_date = System::now() + 10000;
}
}
else if (is_disabled() && System::now() >= regeneration_date && !overlaps(get_hero())) {
get_sprite().set_current_animation("regenerating");
is_regenerating = true;
regeneration_date = 0;
}
else if (is_regenerating && get_sprite().is_animation_finished()) {
get_sprite().set_current_animation("on_ground");
is_regenerating = false;
}
}
/**
* \brief Updates this entity.
*/
void Destructible::update() {
MapEntity::update();
if (is_suspended()) {
return;
}
if (is_being_cut && get_sprite().is_animation_finished()) {
if (!get_can_regenerate()) {
// Remove this destructible from the map.
remove_from_map();
}
else {
is_being_cut = false;
regeneration_date = System::now() + 10000;
}
}
else if (is_waiting_for_regeneration()
&& System::now() >= regeneration_date
&& !overlaps(get_hero())) {
get_sprite().set_current_animation("regenerating");
is_regenerating = true;
regeneration_date = 0;
get_lua_context().destructible_on_regenerating(*this);
}
else if (is_regenerating && get_sprite().is_animation_finished()) {
get_sprite().set_current_animation("on_ground");
is_regenerating = false;
}
}
/**
* @brief Updates this entity.
*/
void Hookshot::update() {
MapEntity::update();
if (suspended) {
return;
}
uint32_t now = System::now();
if (now >= next_sound_date) {
Sound::play("hookshot");
next_sound_date = now + 150;
}
if (entity_reached == NULL) {
if (!going_back) {
if (has_to_go_back) {
going_back = true;
Movement *movement = new TargetMovement(&get_hero(), 192, true);
clear_movement();
set_movement(movement);
}
else if (get_distance(get_hero()) >= 120) {
go_back();
}
}
else if (get_distance(get_hero()) == 0 ||
(get_movement() != NULL && get_movement()->is_finished())) {
remove_from_map();
get_hero().start_state_from_ground();
}
}
}
/**
* \brief Gives the item to the player.
*/
void Pickable::try_give_item_to_player() {
EquipmentItem& item = treasure.get_item();
if (!can_be_picked
|| given_to_player
|| get_game().is_dialog_enabled()
|| !get_hero().can_pick_treasure(item)) {
return;
}
given_to_player = true;
remove_from_map();
// play the sound
const std::string& sound_id = item.get_sound_when_picked();
if (!sound_id.empty()) {
Sound::play(sound_id);
}
// give the item
if (item.get_brandish_when_picked()) {
// The treasure is brandished.
// on_obtained() will be called after the dialog.
get_hero().start_treasure(treasure, ScopedLuaRef());
}
else {
treasure.give_to_player();
// Call on_obtained() immediately since the treasure is not brandished.
get_lua_context().item_on_obtained(item, treasure);
get_lua_context().map_on_obtained_treasure(get_map(), treasure);
}
}
/**
* \brief Updates this entity.
*/
void Explosion::update() {
Detector::update();
if (get_sprite().is_animation_finished()) {
remove_from_map();
}
}
/**
* \brief Makes the bomb explode.
*/
void Bomb::explode() {
get_entities().add_entity(std::make_shared<Explosion>(
"", get_layer(), get_center_point(), true
));
Sound::play("explosion");
remove_from_map();
}
/**
* \brief Updates the pickable item.
*
* This function is called repeatedly by the map.
* This is a redefinition of Entity::update() to make
* the item blink and then disappear after an amount of time.
*/
void Pickable::update() {
// update the animations and the movement
Detector::update();
// update the shadow
if (shadow_sprite != nullptr) {
shadow_sprite->update();
}
shadow_xy.x = get_x();
if (!is_falling()) {
shadow_xy.y = get_y();
}
if (entity_followed != nullptr && entity_followed->is_being_removed()) {
if (entity_followed->get_type() == EntityType::BOOMERANG ||
entity_followed->get_type() == EntityType::HOOKSHOT) {
// The pickable may have been dropped by the boomerang/hookshot
// not exactly on the hero so let's fix this.
if (get_distance(get_hero()) < 16) {
try_give_item_to_player();
}
}
entity_followed = nullptr;
}
check_bad_ground();
if (!is_suspended()) {
// check the timer
uint32_t now = System::now();
// wait 0.7 second before allowing the hero to take the item
if (!can_be_picked && now >= allow_pick_date) {
can_be_picked = true;
falling_height = FALLING_NONE;
get_hero().check_collision_with_detectors();
}
else {
// make the item blink and then disappear
if (will_disappear) {
if (now >= blink_date && !get_sprite().is_blinking() && entity_followed == nullptr) {
set_blinking(true);
}
if (now >= disappear_date) {
remove_from_map();
}
}
}
}
}
/**
* \brief Updates this entity.
*/
void Fire::update() {
Detector::update();
if (get_sprite().is_animation_finished()) {
remove_from_map();
}
else {
check_collision_with_detectors(true);
}
}
/**
* \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);
}
}
}
}
/**
* \brief Destroys the item after it finishes its thrown movement.
*
* How the item breaks depends on the ground where it lands.
*/
void CarriedItem::break_item_on_ground() {
get_movement()->stop();
Ground ground = get_ground_below();
switch (ground) {
case Ground::EMPTY:
// Nothing here: fall one layer below.
{
int layer = get_layer();
if (layer == 0) {
// Cannot fall lower.
break_item();
}
else {
get_entities().set_entity_layer(*this, layer - 1);
break_item_on_ground(); // Do this again on the next layer.
}
break;
}
case Ground::HOLE:
Sound::play("jump");
remove_from_map();
break;
case Ground::DEEP_WATER:
case Ground::LAVA:
Sound::play("walk_on_water");
remove_from_map();
break;
default:
// Break the item normally.
break_item();
break;
}
is_throwing = false;
is_breaking = true;
}
/**
* \copydoc Entity::notify_ground_below_changed
*/
void Block::notify_ground_below_changed() {
Ground ground = get_ground_below();
switch (ground) {
case Ground::HOLE:
Sound::play("jump");
remove_from_map();
break;
case Ground::LAVA:
case Ground::DEEP_WATER:
Sound::play("splash");
remove_from_map();
break;
default:
break;
}
}
/**
* \copydoc Entity::notify_action_command_pressed
*/
bool Npc::notify_action_command_pressed() {
Hero& hero = get_hero();
if (hero.is_free() &&
get_commands_effects().get_action_key_effect() != CommandsEffects::ACTION_KEY_NONE
) {
CommandsEffects::ActionKeyEffect effect = get_commands_effects().get_action_key_effect();
get_commands_effects().set_action_key_effect(CommandsEffects::ACTION_KEY_NONE);
SpritePtr sprite = get_sprite();
// if this is a usual NPC, look towards the hero
if (subtype == USUAL_NPC) {
int direction = (get_hero().get_animation_direction() + 2) % 4;
if (sprite != nullptr) {
sprite->set_current_direction(direction);
}
}
if (effect != CommandsEffects::ACTION_KEY_LIFT) {
// start the normal behavior
if (behavior == BEHAVIOR_DIALOG) {
get_game().start_dialog(dialog_to_show, ScopedLuaRef(), ScopedLuaRef());
}
else {
call_script_hero_interaction();
}
return true;
}
else {
// lift the entity
if (get_equipment().has_ability(Ability::LIFT)) {
std::string animation_set_id = "stopped";
if (sprite != nullptr) {
animation_set_id = sprite->get_animation_set_id();
}
hero.start_lifting(std::make_shared<CarriedObject>(
hero,
*this,
animation_set_id,
"stone",
2,
0)
);
Sound::play("lift");
remove_from_map();
return true;
}
}
}
return false;
}
/**
* \brief This function is called when the movement of the entity is finished.
*/
void Boomerang::notify_movement_finished() {
if (!is_going_back()) {
// the maximum distance is reached
go_back();
}
else {
// the boomerang is back
remove_from_map();
}
}
/**
* @brief Updates the entity.
*/
void ShopItem::update() {
if (is_looking_item && !get_game().is_dialog_enabled()) {
// the description message has just finished
const std::string question_dialog_id = "_shop.question";
get_dialog_box().start_dialog(question_dialog_id);
get_dialog_box().set_variable(question_dialog_id, price);
is_asking_question = true;
is_looking_item = false;
}
else if (is_asking_question && !get_game().is_dialog_enabled()) {
// the question has just finished
is_asking_question = false;
int answer = get_dialog_box().get_last_answer();
if (answer == 0) {
// the player wants to buy the item
Equipment& equipment = get_equipment();
EquipmentItem& item = treasure.get_item();
if (equipment.get_money() < price) {
// not enough rupees
Sound::play("wrong");
get_dialog_box().start_dialog("_shop.not_enough_money");
}
else if (item.has_amount() && item.get_amount() >= item.get_max_amount()) {
// the player already has the maximum amount of this item
Sound::play("wrong");
get_dialog_box().start_dialog("_shop.amount_full");
}
else {
bool can_buy = get_lua_context().shop_item_on_buying(*this);
if (can_buy) {
// give the treasure
equipment.remove_money(price);
get_hero().start_treasure(treasure, LUA_REFNIL);
if (treasure.is_saved()) {
remove_from_map();
get_savegame().set_boolean(treasure.get_savegame_variable(), true);
}
get_lua_context().shop_item_on_bought(*this);
}
}
}
}
}
/**
* \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 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.
* The hero lifts the bomb if possible.
*/
void Bomb::notify_action_command_pressed() {
KeysEffect::ActionKeyEffect effect = get_keys_effect().get_action_key_effect();
if (effect == KeysEffect::ACTION_KEY_LIFT
&& get_hero().get_facing_entity() == this
&& get_hero().is_facing_point_in(get_bounding_box())) {
get_hero().start_lifting(new CarriedItem(get_hero(), *this,
"entities/bomb", "", 0, explosion_date));
Sound::play("lift");
remove_from_map();
}
}
/**
* \brief This function is called when a destructible item detects a non-pixel perfect collision with this entity.
* \param destructible the destructible item
* \param collision_mode the collision mode that detected the event
*/
void Arrow::notify_collision_with_destructible(
Destructible& destructible, CollisionMode collision_mode) {
if (destructible.is_obstacle_for(*this) && is_flying()) {
if (destructible.get_can_explode()) {
destructible.explode();
remove_from_map();
}
else {
attach_to(destructible);
}
}
}
/**
* \brief Notifies this entity that it has just attacked an enemy.
*
* This function is called even if this attack was not successful.
*
* \param attack the attack
* \param victim the enemy just hurt
* \param result indicates how the enemy has reacted to the attack
* \param killed indicates that the attack has just killed the enemy
*/
void Arrow::notify_attacked_enemy(EnemyAttack attack, Enemy& victim,
EnemyReaction::Reaction& result, bool killed) {
if (result.type == EnemyReaction::PROTECTED) {
stop();
attach_to(victim);
}
else if (result.type != EnemyReaction::IGNORED) {
if (killed) {
remove_from_map();
}
else {
attach_to(victim);
}
}
}
/**
* \brief Updates this entity.
*/
void Hookshot::update() {
MapEntity::update();
if (is_suspended()) {
return;
}
uint32_t now = System::now();
if (now >= next_sound_date) {
Sound::play("hookshot");
next_sound_date = now + 150;
}
if (entity_reached == nullptr) {
if (!going_back) {
if (has_to_go_back) {
going_back = true;
std::shared_ptr<Movement> movement = std::make_shared<TargetMovement>(
std::static_pointer_cast<Hero>(get_hero().shared_from_this()),
0,
0,
192,
true
);
clear_movement();
set_movement(movement);
}
else if (get_distance(get_hero()) >= 120) {
go_back();
}
}
else if (get_distance(get_hero()) == 0 ||
(get_movement() != nullptr && get_movement()->is_finished())) {
remove_from_map();
get_hero().start_state_from_ground();
}
}
}
/**
* \copydoc Entity::notify_action_command_pressed
*/
bool Bomb::notify_action_command_pressed() {
CommandsEffects::ActionKeyEffect effect = get_commands_effects().get_action_key_effect();
if (effect == CommandsEffects::ACTION_KEY_LIFT
&& get_hero().get_facing_entity() == this
&& get_hero().is_facing_point_in(get_bounding_box())) {
get_hero().start_lifting(std::make_shared<CarriedObject>(
get_hero(),
*this,
"entities/bomb",
"",
0,
explosion_date)
);
Sound::play("lift");
remove_from_map();
return true;
}
return false;
}
void Pickable::notify_collision(MapEntity& entity_overlapping, CollisionMode collision_mode) {
if(entity_overlapping.is_hero() && pickable) {
remove_from_map();
hero_pick_item();
}
}
/**
* @brief Makes the bomb explode.
*/
void Bomb::explode() {
get_entities().add_entity(new Explosion(get_layer(), get_center_point(), true));
Sound::play("explosion");
remove_from_map();
}
/**
* \brief This function is called repeatedly.
*/
void CarriedItem::update() {
// update the sprite and the position
Entity::update();
if (is_suspended()) {
return;
}
// when the hero finishes lifting the item, start carrying it
if (is_lifting && get_movement()->is_finished()) {
is_lifting = false;
// make the item follow the hero
clear_movement();
set_movement(std::make_shared<RelativeMovement>(
std::static_pointer_cast<Hero>(hero.shared_from_this()),
0,
-18,
true
));
}
// when the item has finished flying, destroy it
else if (can_explode() && !is_breaking) {
uint32_t now = System::now();
if (now >= explosion_date) {
break_item();
}
else if (will_explode_soon()) {
std::string animation = get_sprite().get_current_animation();
if (animation == "stopped") {
get_sprite().set_current_animation("stopped_explosion_soon");
}
else if (animation == "walking") {
get_sprite().set_current_animation("walking_explosion_soon");
}
}
}
if (is_broken()) {
remove_from_map();
}
else if (is_throwing) {
shadow_sprite->update();
if (break_one_layer_above) {
break_item();
int layer = get_layer();
if (layer != get_map().get_highest_layer()) {
get_entities().set_entity_layer(*this, layer + 1);
}
break_one_layer_above = false;
}
else if (get_movement()->is_stopped() || y_increment >= 7) {
// Interrupt the movement.
break_item_on_ground();
}
else {
uint32_t now = System::now();
while (now >= next_down_date) {
next_down_date += 40;
item_height -= y_increment;
y_increment++;
}
}
}
}
/**
* @brief This function is called repeatedly.
*/
void CarriedItem::update() {
// update the sprite and the position
MapEntity::update();
if (suspended) {
return;
}
// when the hero finishes lifting the item, start carrying it
if (is_lifting && get_movement()->is_finished()) {
is_lifting = false;
// make the item follow the hero
clear_movement();
set_movement(new FollowMovement(&hero, 0, -18, true));
}
// when the item has finished flying, destroy it
else if (can_explode() && !is_breaking) {
uint32_t now = System::now();
if (now >= explosion_date) {
break_item();
}
else if (will_explode_soon()) {
std::string animation = get_sprite().get_current_animation();
if (animation == "stopped") {
get_sprite().set_current_animation("stopped_explosion_soon");
}
else if (animation == "walking") {
get_sprite().set_current_animation("walking_explosion_soon");
}
}
}
if (is_throwing) {
shadow_sprite->update();
if (is_broken()) {
remove_from_map();
}
else if (break_on_intermediate_layer) {
break_item();
get_entities().set_entity_layer(*this, LAYER_INTERMEDIATE);
break_on_intermediate_layer = false;
}
else if (get_movement()->is_stopped() || y_increment >= 7) {
break_item();
}
else {
uint32_t now = System::now();
while (now >= next_down_date) {
next_down_date += 40;
item_height -= y_increment;
y_increment++;
}
}
}
}
/**
* \brief Reacts to the ground of the pickable.
*
* It is removed it is on water, lava or a hole.
* It goes to the lower layer if the ground is empty.
*/
void Pickable::check_bad_ground() {
if (is_being_removed()) {
// Be silent if the pickable was already removed by a script.
return;
}
if (get_entity_followed() != nullptr) {
// We are attached to a hookshot or boomerang: don't fall.
return;
}
if (get_y() < shadow_xy.y) {
// The pickable is above the ground for now, let it fall first.
return;
}
if (get_movement() != nullptr && !get_movement()->is_finished()) {
// The falling movement is not finished yet.
return;
}
if (System::now() <= appear_date + 200) {
// The pickable appeared very recently, let the user see it for
// a short time at least.
return;
}
Ground ground = get_ground_below();
switch (ground) {
case Ground::EMPTY:
{
// Fall to a lower layer.
int layer = get_layer();
if (layer > 0) {
--layer;
get_entities().set_entity_layer(*this, layer);
}
}
break;
case Ground::HOLE:
{
Sound::play("jump");
remove_from_map();
}
break;
case Ground::DEEP_WATER:
case Ground::LAVA:
{
Sound::play("splash");
remove_from_map();
}
break;
default:
break;
}
}
/**
* \brief Updates the enemy.
*/
void Enemy::update() {
MapEntity::update();
if (is_suspended() || !is_enabled()) {
return;
}
uint32_t now = System::now();
if (being_hurt) {
// see if we should stop the animation "hurt"
if (now >= stop_hurt_date) {
being_hurt = false;
set_movement_events_enabled(true);
if (life <= 0) {
kill();
}
else if (is_immobilized()) {
clear_movement();
set_animation("immobilized");
notify_immobilized();
}
else {
clear_movement();
restart();
}
}
}
if (life > 0 && invulnerable && now >= vulnerable_again_date && !being_hurt) {
invulnerable = false;
}
if (life > 0 && !can_attack && !is_immobilized()
&& can_attack_again_date != 0 && now >= can_attack_again_date) {
can_attack = true;
}
if (is_immobilized() && !is_killed() && now >= end_shaking_date &&
get_sprite().get_current_animation() == "shaking") {
restart();
}
if (is_immobilized() && !is_killed() && !is_being_hurt() && now >= start_shaking_date &&
get_sprite().get_current_animation() != "shaking") {
end_shaking_date = now + 2000;
set_animation("shaking");
}
if (exploding) {
uint32_t now = System::now();
if (now >= next_explosion_date) {
// create an explosion
Rectangle xy;
xy.set_x(get_top_left_x() + Random::get_number(get_width()));
xy.set_y(get_top_left_y() + Random::get_number(get_height()));
get_entities().add_entity(new Explosion("", LAYER_HIGH, xy, false));
Sound::play("explosion");
next_explosion_date = now + 200;
nb_explosions++;
if (nb_explosions >= 15) {
exploding = false;
}
}
}
if (is_killed() && is_dying_animation_finished()) {
// Create the pickable treasure if any.
get_entities().add_entity(Pickable::create(get_game(),
"", get_layer(), get_x(), get_y(),
treasure, FALLING_HIGH, false));
// Remove the enemy.
remove_from_map();
// Notify Lua that this enemy is dead.
// We need to do this after remove_from_map() so that this enemy is
// considered dead in functions like map:has_entities(prefix).
notify_dead();
}
get_lua_context().enemy_on_update(*this);
}
/**
* \brief Updates this entity.
*/
void Arrow::update() {
MapEntity::update();
if (is_suspended()) {
return;
}
uint32_t now = System::now();
// stop the movement if necessary (i.e. stop() was called)
if (stop_now) {
clear_movement();
stop_now = false;
if (entity_reached != NULL) {
// the arrow just hit an entity (typically an enemy) and this entity may have a movement
Rectangle dxy(get_x() - entity_reached->get_x(), get_y() - entity_reached->get_y());
set_movement(new FollowMovement(entity_reached, dxy.get_x(), dxy.get_y(), true));
}
}
if (entity_reached != NULL) {
// see if the entity reached is still valid
if (is_stopped()) {
// the arrow is stopped because the entity that was reached just disappeared
disappear_date = now;
}
else if (entity_reached->get_type() == ENTITY_DESTRUCTIBLE && !entity_reached->is_obstacle_for(*this)) {
disappear_date = now;
}
else if (entity_reached->get_type() == ENTITY_ENEMY && ((Enemy*) entity_reached)->is_dying()) {
// the enemy is dying
disappear_date = now;
}
}
// see if the arrow just hit a wall or an entity
bool reached_obstacle = false;
if (get_sprite().get_current_animation() != "reached_obstacle") {
if (entity_reached != NULL) {
// the arrow was just attached to an entity
reached_obstacle = true;
}
else if (is_stopped()) {
if (has_reached_map_border()) {
// the map border was reached: destroy the arrow
disappear_date = now;
}
else {
// the arrow has just hit another obstacle
reached_obstacle = true;
}
}
}
if (reached_obstacle) {
// an obstacle or an entity was just reached
disappear_date = now + 1500;
get_sprite().set_current_animation("reached_obstacle");
Sound::play("arrow_hit");
if (entity_reached == NULL) {
clear_movement();
}
check_collision_with_detectors(false);
}
// destroy the arrow when disappear_date is reached
if (now >= disappear_date) {
remove_from_map();
}
}