/// <inheritdoc/>
public async Task<JoinResult> JoinAsync(GameClientInfo clientInfo, IGameClientStub clientStub)
{
using (await _clientsLock.LockAsync())
{
if (_clients.Values.Any(conn => conn.ClientInfo.PlayerId == clientInfo.PlayerId.ToString()))
return new JoinResult(false, Point.Zero, "Another client is already connected using the same player ID");
var connection = new ClientConnection(clientInfo, clientStub);
var playerEntity = new PlayerEntity(clientInfo.PlayerId, Point.North);
// Check if the player is playing this map for the first time
if (Map.Metadata.Players.IsKnown(clientInfo.PlayerId))
{
// Try to spawn player at its last known position.
var playerInfo = Map.Metadata.Players[clientInfo.PlayerId];
var spawnTransaction = new TransactionWithMoveSupport(MoveInitiator.Empty);
var spawnResult = await Map.SpawnAsync(playerEntity, playerInfo.Position, spawnTransaction);
if (spawnResult.IsSuccessful)
{
// TODO: What if a player spawns within a level some others are currently trying to solve?
await CommitAndBroadcastAsync(spawnResult.Transaction, spawnResult.FollowUpEvents, connection);
_clients.Add(clientInfo.PlayerId, connection);
Map.Emit(new PlayerJoinEvent(clientInfo));
return new JoinResult(true, playerInfo.Position);
}
else
{
// If that fails,
// option 1: spawn at default spawn area
// option 2: return false
throw new NotImplementedException();
}
}
else
{
// Unknown player: Spawn player somewhere in default spawn area, add to list of known players
var spawnPositions = await Map.GetCoherentPositionsAsync(Map.Metadata.Regions.DefaultRegion.SpawnPosition);
var spawnTransaction = new TransactionWithMoveSupport(MoveInitiator.Empty);
var spawnResult = await Map.SpawnAsync(playerEntity, spawnPositions, spawnTransaction);
if (spawnResult.IsSuccessful)
{
await CommitAndBroadcastAsync(spawnResult.Transaction, spawnResult.FollowUpEvents, connection);
var playerInfo = new PlayerInfo(clientInfo.PlayerId, clientInfo.PlayerDisplayName, spawnResult.SpawnPosition);
Map.Metadata.Players.Add(playerInfo);
_clients.Add(clientInfo.PlayerId, connection);
Map.Emit(new PlayerJoinEvent(clientInfo));
return new JoinResult(true, spawnResult.SpawnPosition);
}
else
{
// TODO: What now? We could not spawn the player!
throw new NotImplementedException();
}
}
}
}
public async Task InitializeAsync()
{
try
{
var random = new Random();
var number = random.Next(1, 100);
var playerInfo = new GameClientInfo($"Player{number}", $"Player {number}");
_client = new NetGameClient(playerInfo);
await _client.JoinAsync(_serverInfo);
}
catch
{
Debugger.Break();
}
}
public PlayerLeaveEvent(GameClientInfo playerInfo)
{
PlayerInfo = playerInfo;
}
public GameClientBase(GameClientInfo playerInfo)
{
PlayerInfo = playerInfo;
}
public PlayerJoinEvent(GameClientInfo playerInfo)
{
PlayerInfo = playerInfo;
}
public ClientConnection(GameClientInfo clientInfo, IGameClientStub clientStub)
{
ClientInfo = clientInfo;
ClientStub = clientStub;
}