// Learns a new spell
public void Update(SpellUpgradeSuccessMessage message)
{
Spell newSpell = new Spell(message);
Spell known = m_spells.FirstOrDefault(spell => spell.Template.id == newSpell.Template.id);
if (known != null)
{
m_spells[m_spells.IndexOf(known)] = newSpell;
}
else
{
m_spells.Add(newSpell);
}
}