public virtual void OnStructureDestroyed()
{
currentStructureCount--;
if (maxStructureCount > 0)
{
canPlaceMore = true;
}
if (currentStructureCount == 0)
{
defenderSpawner.RemoveCell(new Vector2(Mathf.RoundToInt(transform.position.x), Mathf.RoundToInt(transform.position.y)));
defenderSpawner.structures.Remove(this);
Destroy(gameObject, destroyAnimationTime);
}
}