ACR_CreatureBehavior.AIParty.RemovePartyMember C# (CSharp) Method

        public void RemovePartyMember(CreatureObject Creature)
        {
            if (Creature.Party != this)
            {
                throw new ApplicationException(String.Format(
                    "Removing creature {0} from party, but it is not in this party."));
            }

            PartyMembers.Remove(Creature);
            Creature.Party = null;

            if (PartyLeader == Creature)
                PartyLeader = null;

            if (PartyMembers.Count == 0)
                PartyManager.RemoveParty(this);

            switch ((AIType)Creature.TacticsType)
            {
                case AIType.BEHAVIOR_TYPE_ANIMAL:
                    PartyAnimals.Remove(Creature);
                    break;
                case AIType.BEHAVIOR_TYPE_ARCHER:
                    PartyArchers.Remove(Creature);
                    break;
                case AIType.BEHAVIOR_TYPE_BUFFS:
                    PartyBuffs.Remove(Creature);
                    break;
                case AIType.BEHAVIOR_TYPE_CONTROL:
                    PartyControls.Remove(Creature);
                    break;
                case AIType.BEHAVIOR_TYPE_COWARD:
                    PartyCowards.Remove(Creature);
                    break;
                case AIType.BEHAVIOR_TYPE_FLANK:
                    PartyFlanks.Remove(Creature);
                    break;
                case AIType.BEHAVIOR_TYPE_MEDIC:
                    PartyMedics.Remove(Creature);
                    break;
                case AIType.BEHAVIOR_TYPE_MINDLESS:
                    PartyMindless.Remove(Creature);
                    break;
                case AIType.BEHAVIOR_TYPE_NUKE:
                    PartyNukes.Remove(Creature);
                    break;
                case AIType.BEHAVIOR_TYPE_SHOCK:
                    PartyShocks.Remove(Creature);
                    break;
                case AIType.BEHAVIOR_TYPE_SKIRMISH:
                    PartySkrimishers.Remove(Creature);
                    break;
                case AIType.BEHAVIOR_TYPE_TANK:
                    PartyTanks.Remove(Creature);
                    break;
                default:
                    break;
            }

            if (PartyMembers.Count > 0 && PartyLeader == null)
            {
                int nCha = 0;
                foreach (CreatureObject Member in PartyMembers)
                {
                    if (Member.Script.GetAbilityModifier(CLRScriptBase.ABILITY_CHARISMA, Member.ObjectId) > nCha)
                    {
                        nCha = Member.Script.GetAbilityModifier(CLRScriptBase.ABILITY_CHARISMA, Member.ObjectId);
                        PartyLeader = Member;
                    }
                }
            }
        }