private void LoadLeaderboard()
{
// Caches the filepath the JSON file will be saved to
string filepath = Application.persistentDataPath + "/Leaderboard.json";
// Checks if a save file exists
if (File.Exists(filepath))
{
// String to store the data the streamReader recovers.
string readData = "";
// Get the leaderboard JSON save file
using (StreamReader streamReader = new StreamReader(filepath))
{
// Declares a temporary line to store things in
string line;
// While the line is different to null (ReadLine is actually reading something)
while ((line = streamReader.ReadLine()) != null)
{
// Add the line to readData
readData += DataCrypto.DecryptText(line);
}
}
// Reconstructs the leaderboard
leaderboard = JsonUtility.FromJson <Leaderboard>(readData);
}
else // If no save file exists
{
// Creates a sample leaderboard entry list
List <LeaderboardEntry> sampleEntryList = new List <LeaderboardEntry>()
{
new LeaderboardEntry(5, 6350, 0, "Beat Me!")
};
// Creates a leaderboard using the sample entry list
leaderboard = new Leaderboard(sampleEntryList);
}
}
// Saves the player metrics in a save file using a JSON format
private void SavePlayerMetrics()
{
// Caches the filepath the JSON file will be saved to
string filepath = Application.persistentDataPath + "/Leaderboard.json";
// Stores the game data into a LeaderboardEntry struct
LeaderboardEntry playerMetrics = new LeaderboardEntry(currentGame.wavesSurvived, (int)currentGame.playerScore, currentGame.newGamePlus, playerName.text);
// Checks if a save file exists
if (File.Exists(filepath))
{
// String to store the data the streamReader recovers.
string readData = "";
// Get the leaderboard JSON save file
using (StreamReader streamReader = new StreamReader(filepath))
{
// Declares a temporary line to store things in
string line;
// While the line is different to null (ReadLine is actually reading something)
while ((line = streamReader.ReadLine()) != null)
{
// Add the line to readData
readData += DataCrypto.DecryptText(line);
}
}
// Reconstructs the leaderboard
Leaderboard saveFile = JsonUtility.FromJson <Leaderboard>(readData);
// Adds a the LeaderboardEntry to the list
saveFile.gameLeaderboard.Add(playerMetrics);
// Writes the data to disk
// Using keyword allows us to dispose of the StreamWriter once we're done using it.
using (StreamWriter streamWriter = new StreamWriter(filepath))
{
// Uses stream writer to write the JSON-converted save data.
streamWriter.WriteLine(DataCrypto.EncryptText(JsonUtility.ToJson(saveFile)));
}
}
else // If the file does not exist, create it
{
// Creates a new list of Leaderboard Entries
List <LeaderboardEntry> newLeaderboard = new List <LeaderboardEntry>();
// Adds the player's current save data to the leaderboard
newLeaderboard.Add(playerMetrics);
// Creates leaderboard and passes it the list containing the current save data
Leaderboard saveFile = new Leaderboard(newLeaderboard);
// Writes the data to disk
// Using keyword allows us to dispose of the StreamWriter once we're done using it.
using (StreamWriter streamWriter = new StreamWriter(filepath))
{
// Uses stream writer to write the JSON-converted save data.
streamWriter.WriteLine(DataCrypto.EncryptText(JsonUtility.ToJson(saveFile)));
}
}
}