private static int PlayerLoopSystemToInternal(PlayerLoopSystem sys, ref List <PlayerLoopSystemInternal> internalSys)
        {
            int count = internalSys.Count;
            PlayerLoopSystemInternal playerLoopSystemInternal = new PlayerLoopSystemInternal
            {
                type                  = sys.type,
                updateDelegate        = sys.updateDelegate,
                updateFunction        = sys.updateFunction,
                loopConditionFunction = sys.loopConditionFunction,
                numSubSystems         = 0
            };

            internalSys.Add(playerLoopSystemInternal);
            bool flag = sys.subSystemList != null;

            if (flag)
            {
                for (int i = 0; i < sys.subSystemList.Length; i++)
                {
                    playerLoopSystemInternal.numSubSystems += PlayerLoop.PlayerLoopSystemToInternal(sys.subSystemList[i], ref internalSys);
                }
            }
            internalSys[count] = playerLoopSystemInternal;
            return(playerLoopSystemInternal.numSubSystems + 1);
        }
        static int PlayerLoopSystemToInternal(PlayerLoopSystem sys, ref List <PlayerLoopSystemInternal> internalSys)
        {
            var idx    = internalSys.Count;
            var newSys = new PlayerLoopSystemInternal
            {
                type                  = sys.type,
                updateDelegate        = sys.updateDelegate,
                updateFunction        = sys.updateFunction,
                loopConditionFunction = sys.loopConditionFunction,
                numSubSystems         = 0
            };

            internalSys.Add(newSys);
            if (sys.subSystemList != null)
            {
                for (int i = 0; i < sys.subSystemList.Length; ++i)
                {
                    newSys.numSubSystems += PlayerLoopSystemToInternal(sys.subSystemList[i], ref internalSys);
                }
            }
            internalSys[idx] = newSys;
            return(newSys.numSubSystems + 1);
        }