Accessing Leaderboard Entries in Unreal CPP

This tutorial shows you how to extract and print Leaderboard entries in Unreal CPP using a LeaderboardDataRequest. To do this, we'll build two functions to handle the request and the response. These functions will be in your class's CPP file, so make sure you declare these functions in your header file.

General Method! The following example of how to work with Leaderboard data demonstrates an approach that you can use as a general method for extracting Leaderboard data entries.

Building the Request

void AMyClass::function()
//GS Instance reference
GameSparks::Core::GS& gs = UGameSparksModule::GetModulePtr()->GetGSInstance();
//Create request instance
GameSparks::Api::Requests::LeaderboardDataRequest leaderboardRequestInstance(gs);
//Set Shortcode
//Set max entry count (max entries returned)
//Send request and reference response listener function

Building the Response

void AMyClass::LeaderboardData_Response(GameSparks::Core::GS&, const GameSparks::Api::Responses::LeaderboardDataResponse& response)
    //Check if response is error free
    if (!response.GetHasErrors()) {
        //For every entry returned in Data object (Entries object)
        for (int i = 0; i < response.GetData().size(); i++) {
            //SCORE is the ShortCode for the event attribute linked to this Leaderboard, this will be unique to your event
            FFloat16 score = response.GetData()[i].GetBaseData().GetFloat("SCORE").GetValue();
            //Get player name
            std::string playerName = response.GetData()[i].GetUserNameW().GetValue();
            //Get rank in Leaderboard
            int rank = response.GetData()[i].GetRank().GetValue();
            //Print results
            GEngine->AddOnScreenDebugMessage(-1, 10.f, FColor::Blue, FString::FromInt(rank) + FString(" ") + playerName.c_str() + FString(" ") + FString::SanitizeFloat(score));


Getting the Data Values! Here the main thing to note is that we use GetData in the response to get an array of entries and each index of the array references an object. We then then use GetBaseData to get the values within the object.

Other Leaderboard entry requests will behave similarly. This example demonstrates the basic sequence for extracting entries from any Leaderboard request.

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