public override void Update(GameTime gameTime)
{
// send data to clients based on the difference between this snapshot and the previous one
ServerSnapshot snapshot = ServerSnapshot.Snapshot(world);
foreach (var playerKV in snapshot.playersData)
{
PlayerData d;
if (previousSnapshot.playersData.TryGetValue(playerKV.Key, out d))
{
// check if the player data changed. if yes, notify all the clients
if (d != playerKV.Value)
{
SendMessage(MessageContentType.PlayerUpdate, playerKV.Key, playerKV.Value);
}
}
}
for (int i = 0; i < snapshot.entitiesData.Count; i++)
{
if (previousSnapshot.entitiesData[i] != snapshot.entitiesData[i])
{
SendMessage(MessageContentType.EntityData, -1, snapshot.entitiesData[i]);
}
}
// read if theres new data in each of the clients sockets
foreach (Connection client in clients)
{
if (client.Connected)
{
client.Update();
}
}
}
private async Task <ServerSnapshot> GetServerSnapshotAsync(Server server)
{
var failRetries = 0;
var retry = true;
var serverSnapshot = new ServerSnapshot(server)
{
Id = Guid.NewGuid(),
Timestamp = DateTime.UtcNow,
PlayerCount = -1,
};
while (retry)
{
try
{
var players = await SteamGameServer.PlayerQuery.QueryPlayersAsync(new IPEndPoint(IPAddress.Parse(server.Address), server.Port), WAIT_MAX);
serverSnapshot.PlayerCount = players.Count();
serverSnapshot.PlayerSnapshots = players.Select(x => new PlayerSnapshot(x, serverSnapshot)).ToArray();
serverSnapshot.Success = true;
_log.LogInformation($"Pull ({server.Name}){server.Address}:{server.Port} - SUCCEED ({serverSnapshot.Timestamp})");
break;
}
catch (Exception ex)
{
_log.LogError(ex.Message);
_log.LogInformation($"Pull ({server.Name}){server.Address}:{server.Port}) - FAIL ({serverSnapshot.Timestamp})");
failRetries++;
if (failRetries >= FAIL_MAX)
{
break;
}
}
}
return(serverSnapshot);
}
public override void SnapShot()
{
previousSnapshot = ServerSnapshot.Snapshot(world);
}
