Multiplayer Manager を使用してフレンドとマルチプレイヤーをプレイする

HRESULT hr = XblMultiplayerManagerInitialize(lobbySessionTemplateName, queueUsedByMultiplayerManager);

HRESULT hr = XblMultiplayerManagerLobbySessionAddLocalUser(xblUserHandle);

if (!SUCCEEDED(hr))
{
    // Handle failure.
}

// Set member connection address.
const char* connectionAddress = "1.1.1.1";
hr = XblMultiplayerManagerLobbySessionSetLocalMemberConnectionAddress(
    xblUserHandle, connectionAddress, context);

if (!SUCCEEDED(hr))
{
    // Handle failure.
}

// Set custom member properties.
const char* propName = "Name";
const char* propValueJson = "{}";
hr = XblMultiplayerManagerLobbySessionSetProperties(propName, propValueJson, context);

if (!SUCCEEDED(hr))
{
    // Handle failure.
}
...

std::vector<XblUserHandle> xblUsers;
for (XblUserHandle xblUserHandle : xblUsers)
{
    HRESULT hr = XblMultiplayerManagerLobbySessionAddLocalUser(xblUserHandle);

    if (!SUCCEEDED(hr))
    {
        // Handle failure.
    }

    // Set member connection address.
    const char* connectionAddress = "1.1.1.1";
    hr = XblMultiplayerManagerLobbySessionSetLocalMemberConnectionAddress(
        xblUserHandle, connectionAddress, context);

    if (!SUCCEEDED(hr))
    {
        // Handle failure.
    }

    // Set custom member properties.
    const char* propName = "Name";
    const char* propValueJson = "{}";
    hr = XblMultiplayerManagerLobbySessionSetProperties(propName, propValueJson, context);
    ...
}

size_t xuidsCount = 1;
uint64_t xuids[1] = {};
xuids[0] = 1234567891234567;
HRESULT hr = XblMultiplayerManagerLobbySessionInviteUsers(
    xblUserHandle, 
    xuids, 
    xuidsCount, 
    nullptr,    // ContextStringId 
    nullptr     // CustomActivationContext
);

void CALLBACK MyXGameInviteEventCallback(
    _In_opt_ void* context,
    _In_ const XGameActivationInfo* activationInfo)
{
    UNREFERENCED_PARAMETER(context);
    if (activationInfo->type == XGameActivationType::AcceptedGameInvite)
    {
        if (activationInfo->inviteUri != nullptr)
        {
            std::string inviteString(activationInfo->inviteUri);
            auto pos = inviteString.find("handle=");
            auto inviteHandleId = inviteString.substr(pos + 7, 36);

            // Now use inviteHandleId when calling XblMultiplayerManagerJoinLobby().  
            // See the example call as follows.
        }
    }
}

XTaskQueueRegistrationToken token = { 0 };
HRESULT hr = XGameActivationRegisterForEvent(
    queue,
    nullptr,
    MyXGameInviteEventCallback,
    &token);

HRESULT hr = XblMultiplayerManagerJoinLobby(inviteHandleId, xblUserHandle);
if (!SUCCEEDED(hr))
{
    // Handle failure.
}

// Set member connection address.
const char* connectionAddress = "1.1.1.1";
hr = XblMultiplayerManagerLobbySessionSetLocalMemberConnectionAddress(
    xblUserHandle, connectionAddress, context);

HRESULT hr = XblMultiplayerManagerJoinGameFromLobby(gameSessionTemplateName);
if (!SUCCEEDED(hr))
{
    // Handle error.
}