77 lines
2.4 KiB
C#
77 lines
2.4 KiB
C#
using Microsoft.AspNetCore.SignalR;
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namespace PongGame.Hubs;
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public class PongHub : Hub<IPongClient> {
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private const string PLAYER_KEY = "PLAYER";
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private readonly PongLobby Lobby;
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private readonly ILogger<PongHub> Logger;
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public PongHub(PongLobby lobby, ILogger<PongHub> logger) : base() {
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Lobby = lobby;
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Logger = logger;
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}
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private PongPlayer Player {
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get => (Context.Items.TryGetValue(PLAYER_KEY, out var player) ? player as PongPlayer : null)
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?? throw new InvalidProgramException("Player was not assigned at connection start!");
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set => Context.Items[PLAYER_KEY] = value;
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}
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public override Task OnConnectedAsync() {
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Player = Lobby.CreatePlayer();
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Player.Client = Clients.Client(Context.ConnectionId);
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Player.Username = "Anon";
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return Task.CompletedTask;
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}
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private void AssertNotInRoom() {
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if (Player.ConnectedRoom is PongRoom currentRoom)
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throw new HubException($"User is already connected to room [{currentRoom}]");
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}
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private PongRoom AssertInRoom() {
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if (Player.ConnectedRoom is not PongRoom currentRoom)
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throw new HubException($"User is not in any room!");
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return currentRoom;
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}
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public Task<string> CreateRoom() {
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AssertNotInRoom();
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var room = Lobby.CreateRoom(Player);
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return Task.FromResult(room.ID);
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}
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public Task<string> JoinRoom(string roomId) {
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AssertNotInRoom();
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var room = Lobby.JoinRoom(Player, roomId);
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return Task.FromResult(room.ID);
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}
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public Task MovePaddle(int dir) {
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var room = AssertInRoom();
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var direction = (PongPaddleDirection)dir;
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if (!Enum.IsDefined(direction))
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throw new HubException($"Invalid direction: {dir}!");
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room.MovePaddle(Player, direction);
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return Task.CompletedTask;
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}
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public Task LeaveRoom() {
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Lobby.LeaveRoom(Player);
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return Task.CompletedTask;
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}
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public Task RequestUsernameChange(string username) {
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// TOOD: check this
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Logger.LogInformation("Player {Player} requested username change to [{username}]", Player, username);
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Player.Username = username;
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return Task.CompletedTask;
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}
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public override Task OnDisconnectedAsync(Exception? exception) {
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Lobby.RemovePlayer(Player);
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return Task.CompletedTask;
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}
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}
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