/**
* \brief Attacks the hero if possible.
*
* This function is called when there is a collision between the enemy and the hero.
*
* \param hero the hero
* \param this_sprite the sprite of this enemy that detected the collision with the hero,
* or NULL if it was not a pixel-precise collision.
*/
void Enemy::attack_hero(Hero &hero, Sprite *this_sprite) {
if (!is_immobilized() && can_attack && hero.can_be_hurt(this)) {
bool hero_protected = false;
if (minimum_shield_needed != 0
&& get_equipment().has_ability("shield", minimum_shield_needed)) {
// compute the direction corresponding to the angle between the enemy and the hero
double angle = hero.get_angle(*this);
int protected_direction4 = (int) ((angle + Geometry::PI_OVER_2 / 2.0) * 4 / Geometry::TWO_PI);
protected_direction4 = (protected_direction4 + 4) % 4;
// also get the direction of the enemy's sprite
int sprite_opposite_direction4 = -1;
if (this_sprite != NULL) {
sprite_opposite_direction4 = (this_sprite->get_current_direction() + 2) % 4;
}
// the hero is protected if he is facing the opposite of one of these directions
hero_protected = hero.is_facing_direction4(protected_direction4) ||
hero.is_facing_direction4(sprite_opposite_direction4);
}
if (hero_protected) {
attack_stopped_by_hero_shield();
}
else {
hero.hurt(*this, damage_on_hero, magic_damage_on_hero);
}
}
}
/**
* \brief Attacks the hero if possible.
*
* This function is called when there is a collision between the enemy and the hero.
*
* \param hero The hero to attack.
* \param this_sprite The sprite of this enemy that detected the collision with the hero,
* or NULL if it was not a pixel-precise collision.
*/
void Enemy::attack_hero(Hero& hero, Sprite* this_sprite) {
if (!is_immobilized()
&& can_attack
&& hero.can_be_hurt(this)) {
bool hero_protected = false;
if (minimum_shield_needed != 0
&& get_equipment().has_ability(ABILITY_SHIELD, minimum_shield_needed)
&& hero.can_use_shield()) {
// Compute the direction corresponding to the angle between the enemy and the hero.
double angle = hero.get_angle(*this, NULL, this_sprite);
int protected_direction4 = (int) ((angle + Geometry::PI_OVER_2 / 2.0) * 4 / Geometry::TWO_PI);
protected_direction4 = (protected_direction4 + 4) % 4;
// Also get the direction of the enemy's sprite.
int sprite_opposite_direction4 = -1;
if (this_sprite != NULL) {
sprite_opposite_direction4 = (this_sprite->get_current_direction() + 2) % 4;
}
// The hero is protected if he is facing the opposite of one of these directions.
hero_protected = hero.is_facing_direction4(protected_direction4) ||
hero.is_facing_direction4(sprite_opposite_direction4);
}
if (hero_protected) {
attack_stopped_by_hero_shield();
}
else {
// Let the enemy script handle this if it wants.
const bool handled = get_lua_context().enemy_on_attacking_hero(
*this, hero, this_sprite);
if (!handled) {
// Scripts did not customize the attack:
// do the built-in hurt state of the hero.
hero.hurt(*this, this_sprite, damage_on_hero);
}
}
}
}
