protected void ApplyFriendlyBuff(WoWPlayer player, MonitoredSpell spell, string buffName = null)
{
if (buffName == null)
{
buffName = spell.Name;
}
if (spell.KnownSpell && !player.HaveBuff(buffName) &&
player.GetDistance < spell.MaxRange)
{
player.TargetPlayer();
spell.Cast();
}
}