protected override void OnCreate() { predictUpdateSystemGroup = World.GetOrCreateSystem <PredictUpdateSystemGroup>(); AddSystemToUpdateList(predictUpdateSystemGroup); applyPredictedStateSystemGroup = World.GetOrCreateSystem <ApplyPredictedStateSystemGroup>(); // AddSystemToUpdateList(predictRollbackStateSystemGroup); inputSystem = World.GetOrCreateSystem <InputSystem>(); replicateEntitySystemGroup = World.GetOrCreateSystem <ReplicateEntitySystemGroup>(); }