FNiagaraSystemSimulationTickContext ( class [FNiagaraSystemSimulation](API\Plugins\Niagara\FNiagaraSystemSimulation) * InOwner, [TArray](API\Runtime\Core\Containers\TArray)< [FNiagaraSystemInstance](API\Plugins\Niagara\FNiagaraSystemInstance) * > & InInstances, [FNiagaraDataSet](API\Plugins\Niagara\FNiagaraDataSet) & InDataSet, float InDeltaSeconds, int32 InSpawnNum, bool bAllowAsync )