public void Cast(string casterId, int skillId, IEnumerable <string> targetIds)
{
lock (_lock)
{
var battle = _battleRepository.FindActiveFor(casterId);
if (battle == null)
{
throw new InvalidOperationException("Active battle does not exist for caster.");
}
var skill = _skillRepository.Find(skillId);
if (skill == null)
{
throw new InvalidOperationException("Skill does not exist.");
}
battle.Cast(casterId, skill, targetIds);
_battleRepository.Save(battle);
_eventDispatcher.Dispatch(battle);
}
}