// we need a function to check if an entity can attack another.
// => overwrite to add more cases like 'monsters can only attack players'
// or 'player can attack pets but not own pet' etc.
// => raycast NavMesh to prevent attacks through walls, while allowing
// attacks through steep hills etc. (unlike Physics.Raycast). this is
// very important to prevent exploits where someone might try to attack a
// boss monster through a dungeon wall, etc.
public virtual bool CanAttack(Entity entity)
{
return(health > 0 &&
entity.health > 0 &&
entity != this &&
!inSafeZone && !entity.inSafeZone &&
!NavMesh2D.Raycast(transform.position, entity.transform.position, out NavMeshHit2D hit, NavMesh2D.AllAreas));;
}