Posses Local Player

posses_local_player.cpp

bool UCustomViewport::PossesLocalPlayer(const int32 PlayerId, const int32 ControllerId)
{
    UEngine* const REF_Engine = GameInstance->GetEngine();
    const int32 NumPlayers = REF_Engine->GetNumGamePlayers(this);

    if (NumPlayers > PlayerId + 1 || ControllerId < -1)
    {
        return false;
    }

    int32 PlayerControllerId = 0;
    if (ControllerId == -1)
    {
        PlayerControllerId = UGameplayStatics::GetPlayerControllerID(REF_Engine->GetGamePlayer(this, 0)->GetPlayerController(GEngine->GetCurrentPlayWorld()));
    }

    else
    {
        PlayerControllerId = ControllerId;
    }

    REF_Engine->GetGamePlayer(this, PlayerId)->SetControllerId(PlayerControllerId);

    return true;
}