DarkEmu_GameServer.spez_obj.HarmonyBuff_callback C# (CSharp) Method

        private void HarmonyBuff_callback(object e)
        {
            try
            {
                foreach (int p in this.Spawn)
                {
                    Systems s = Systems.GetPlayer(p);

                    //double distance = Formule.gamedistance((float)this.x, (float)this.y, s.Character.Position.x, s.Character.Position.y);
                    double distance = Formule.gamedistance(this, s.Character.Position);
                    if (distance <= this.Radius && !s.Character.Action.Buff.InfiniteBuffs.ContainsKey(this.Name))
                    {
                        byte slot = s.SkillBuffGetFreeSlot();
                        if (slot == 255) return;

                        //add properties
                        foreach (KeyValuePair<string, int> a in Data.SkillBase[this.ID].Properties1)
                        {
                            if (s.SkillAdd_Properties(s, a.Key, true, slot)) { return; };
                        }

                        s.Character.Action.Buff.SkillID[slot] = this.ID;
                        s.Character.Action.Buff.OverID[slot] = s.Character.Ids.GetBuffID();
                        s.Character.Action.Buff.slot = slot;
                        s.Character.Action.Buff.count++;

                        s.Send(s.Character.Spawn, Packet.SkillIconPacket(s.Character.Information.UniqueID, this.ID, s.Character.Action.Buff.OverID[s.Character.Action.Buff.slot], false));
                        s.Character.Action.Buff.InfiniteBuffs.Add(this.Name, s.Character.Action.Buff.slot);

                        Inside.Add(s.Character.Information.UniqueID);
                    }
                    else if (distance >= this.Radius && s.Character.Action.Buff.InfiniteBuffs.ContainsKey(this.Name))
                    {
                        if (Inside.Contains(s.Character.Information.UniqueID))
                        {
                            s.SkillBuffEnd(s.Character.Action.Buff.InfiniteBuffs[this.Name]);
                        }
                    }
                }
            }
            catch (Exception)
            {

            }
        }