API Reference of GS2-StateMachine SDK for Game Engine

    var domain = gs2.StateMachine.Namespace(
        namespaceName: "namespace-0001"
    ).Me(
        gameSession: GameSession
    ).Status(
        statusName: "status-0001"
    );
    var future = domain.EmitFuture(
        eventName: "event-0001",
        args: "{\"value1\": \"value1\", \"value2\": 2.0, \"value3\": 3}"
    );
    yield return future;
    if (future.Error != null)
    {
        onError.Invoke(future.Error, null);
        yield break;
    }
    var future2 = future.Result.ModelFuture();
    yield return future2;
    if (future2.Error != null)
    {
        onError.Invoke(future2.Error, null);
        yield break;
    }
    var result = future2.Result;

    const auto Domain = Gs2->StateMachine->Namespace(
        "namespace-0001" // namespaceName
    )->Me(
        GameSession
    )->Status(
        "status-0001" // statusName
    );
    const auto Future = Domain->Emit(
        "event-0001", // eventName
        "{\"value1\": \"value1\", \"value2\": 2.0, \"value3\": 3}" // args
    );
    Future->StartSynchronousTask();
    if (Future->GetTask().IsError())
    {
        return false;
    }

    // obtain changed values / result values
    const auto Future2 = Future->GetTask().Result()->Model();
    Future2->StartSynchronousTask();
    if (Future2->GetTask().IsError())
    {
        return Future2->GetTask().Error();
    }
    const auto Result = Future2->GetTask().Result();

    var domain = gs2.StateMachine.Namespace(
        namespaceName: "namespace-0001"
    ).Me(
        gameSession: GameSession
    ).Status(
        statusName: "status-0001"
    );
    var future = domain.ExitFuture(
    );
    yield return future;
    if (future.Error != null)
    {
        onError.Invoke(future.Error, null);
        yield break;
    }

    const auto Domain = Gs2->StateMachine->Namespace(
        "namespace-0001" // namespaceName
    )->Me(
        GameSession
    )->Status(
        "status-0001" // statusName
    );
    const auto Future = Domain->Exit(
    );
    Future->StartSynchronousTask();
    if (Future->GetTask().IsError())
    {
        return false;
    }
    const auto Result = Future->GetTask().Result();

    var domain = gs2.StateMachine.Namespace(
        namespaceName: "namespace-0001"
    ).Me(
        gameSession: GameSession
    ).Status(
        statusName: "status-0001"
    );
    var future = domain.ModelFuture();
    yield return future;
    var item = future.Result;

    const auto Domain = Gs2->StateMachine->Namespace(
        "namespace-0001" // namespaceName
    )->Me(
        GameSession
    )->Status(
        "status-0001" // statusName
    );
    const auto Future = Domain->Model();
    Future->StartSynchronousTask();
    if (Future->GetTask().IsError())
    {
        return false;
    }

    var domain = gs2.StateMachine.Namespace(
        namespaceName: "namespace-0001"
    ).Me(
        gameSession: GameSession
    ).Status(
        statusName: "status-0001"
    );
    var future = domain.ModelFuture();
    yield return future;
    var item = future.Result;

    const auto Domain = Gs2->StateMachine->Namespace(
        "namespace-0001" // namespaceName
    )->Me(
        GameSession
    )->Status(
        "status-0001" // statusName
    );
    
    // Start event handling
    const auto CallbackId = Domain->Subscribe(
        [](TSharedPtr<Gs2::StateMachine::Model::FStatus> value) {
            // Called when the value changes
            // The "value" is passed the value after the change.
        }
    );

    // Stop event handling
    Domain->Unsubscribe(CallbackId);

    var domain = gs2.StateMachine.Namespace(
        namespaceName: "namespace-0001"
    ).Me(
        gameSession: GameSession
    );
    var it = domain.Statuses(
        status: "Running"
    );
    List<EzStatus> items = new List<EzStatus>();
    while (it.HasNext())
    {
        yield return it.Next();
        if (it.Error != null)
        {
            onError.Invoke(it.Error, null);
            break;
        }
        if (it.Current != null)
        {
            items.Add(it.Current);
        }
        else
        {
            break;
        }
    }

    const auto Domain = Gs2->StateMachine->Namespace(
        "namespace-0001" // namespaceName
    )->Me(
        GameSession
    );
    const auto It = Domain->Statuses(
        "Running" // status
    );
    TArray<Gs2::UE5::StateMachine::Model::FEzStatusPtr> Result;
    for (auto Item : *It)
    {
        if (Item.IsError())
        {
            return false;
        }
        Result.Add(Item.Current());
    }

    var domain = gs2.StateMachine.Namespace(
        namespaceName: "namespace-0001"
    ).Me(
        gameSession: GameSession
    );
    var it = domain.Statuses(
        status: "Running"
    );
    List<EzStatus> items = new List<EzStatus>();
    while (it.HasNext())
    {
        yield return it.Next();
        if (it.Error != null)
        {
            onError.Invoke(it.Error, null);
            break;
        }
        if (it.Current != null)
        {
            items.Add(it.Current);
        }
        else
        {
            break;
        }
    }

    const auto Domain = Gs2->StateMachine->Namespace(
        "namespace-0001" // namespaceName
    )->Me(
        GameSession
    );
    
    // Start event handling
    const auto CallbackId = Domain->SubscribeStatuses(
        []() {
            // Called when an element of the list changes.
        }
    );

    // Stop event handling
    Domain->UnsubscribeStatuses(CallbackId);

    var domain = gs2.StateMachine.Namespace(
        namespaceName: "namespace-0001"
    ).Me(
        gameSession: GameSession
    ).Status(
        statusName: "status-0001"
    );
    var future = domain.ReportFuture(
        events: new List<Gs2.Unity.Gs2StateMachine.Model.EzEvent> {
            new Gs2.Unity.Gs2StateMachine.Model.EzEvent() {
                EventType = "emit",
                EmitEvent = 
                new Gs2.Unity.Gs2StateMachine.Model.EzEvent() {
                    Event = "message",
                    Parameters = "{\"payload\": \"Hello World\"}",
                    Timestamp = 1000,
                },
            },
        }
    );
    yield return future;
    if (future.Error != null)
    {
        if (future.Error is Gs2.Gs2StateMachine.Exception.StateMismatchException)
        {
            // State of the verification result of the report is inconsistent.
        }
        onError.Invoke(future.Error, null);
        yield break;
    }
    var future2 = future.Result.ModelFuture();
    yield return future2;
    if (future2.Error != null)
    {
        onError.Invoke(future2.Error, null);
        yield break;
    }
    var result = future2.Result;

    const auto Domain = Gs2->StateMachine->Namespace(
        "namespace-0001" // namespaceName
    )->Me(
        GameSession
    )->Status(
        "status-0001" // statusName
    );
    const auto Future = Domain->Report(
        []
        {
            auto v = MakeShared<TArray<TSharedPtr<Gs2::UE5::StateMachine::Model::FEzEvent>>>();
            v->Add(
                MakeShared<Gs2::UE5::StateMachine::Model::FEzEvent>()
                ->WithEventType(TOptional<FString>("emit"))
                ->WithEmitEvent(MakeShared<Gs2::UE5::StateMachine::Model::FEzEmitEvent>() 
                    ->WithEvent(TOptional<FString>("message"))
                    ->WithParameters(TOptional<FString>("{\"payload\": \"Hello World\"}"))
                    ->WithTimestamp(TOptional<int32>(1000))
                );
            );
            return v;
        }() // events
    );
    Future->StartSynchronousTask();
    if (Future->GetTask().IsError())
    {
        auto e = Future->GetTask().Error();
        if (e->IsChildOf(Gs2::StateMachine::Error::FStateMismatchError::Class))
        {
            // State of the verification result of the report is inconsistent.
        }
        return false;
    }

    // obtain changed values / result values
    const auto Future2 = Future->GetTask().Result()->Model();
    Future2->StartSynchronousTask();
    if (Future2->GetTask().IsError())
    {
        return Future2->GetTask().Error();
    }
    const auto Result = Future2->GetTask().Result();