public static void drag(Entity enemy, Vector2 target, float force, int duration) {
EnemyMovement movement = EntityUtil.getComponent(enemy, EnemyMovement.class);
if (movement != null) {
movement.setDraggedTo(target);
movement.setDragForce(force);
movement.setDragDuration(duration);
movement.setStartDrag(TimeUtil.getGameTime());
movement.setDraggedFrom(PhysicsUtil.getPosition(enemy));
}
}
public static void use(Entity entity, String name) {
Ability abilityComponent = EntityUtil.getComponent(entity, Ability.class);
if (abilityComponent == null) {
return;
}
AbilityInfo ability = abilityComponent.getAbility(name);
if (ability == null) {
return;
}
ability.getAbility().cast(entity);
ability.setLastCast(TimeUtil.getGameTime());
}
public static boolean isAvailable(Entity entity, String name) {
Ability abilityComponent = EntityUtil.getComponent(entity, Ability.class);
if (abilityComponent == null) {
return false;
}
AbilityInfo ability = abilityComponent.getAbility(name);
if (ability == null) {
return false;
}
long lastCast = ability.getLastCast();
return lastCast == -1 || (TimeUtil.getGameTime() - lastCast > ability.getCooldown());
}