Dogcows Code - chaz/carfire/blob - Project06/CS 3505 Project 06/CS 3505 Project 06/LobbyGUI.cs

   1 using System;
   2 using System.Collections.Generic;
   3 using System.Linq;
   4 using System.Text;
   5 using Microsoft.Xna.Framework.Net;
   6 using System.Diagnostics;
   7 using Microsoft.Xna.Framework.GamerServices;
   8 using Microsoft.Xna.Framework.Graphics;
   9 using Microsoft.Xna.Framework;
  10 using Microsoft.Xna.Framework.Input;
  11 using Microsoft.Xna.Framework.Content;
  12
  13 namespace CS_3505_Project_06
  14 {
  15     public class lobbyGUI : ILobby
  16     {
  17         float scale;
  18
  19         Texture2D background;
  20         Texture2D spotLight;
  21         Texture2D cs;
  22         Texture2D selectGameScreen;
  23
  24         Vector2 backgroundPos;
  25         Vector2 spotLightPos;
  26         Vector2 spotLightCenter;
  27         Vector2 csPos;
  28
  29         Vector2 zero;
  30         Vector2 spotLightVelocity;
  31
  32         int MaxX;
  33         int MinX;
  34         int MaxY;
  35         int MinY;
  36
  37         Texture2D checkedBox;
  38         Texture2D deselectBox;
  39         Texture2D emptySelectBox;
  40         Texture2D menuItem;
  41
  42         Boolean ready;
  43
  44         SpriteFont menuFont;
  45         string selected;
  46         Vector2 createGamePos;
  47         string createGameText;
  48         Vector2 findGamePos;
  49         string findGameText;
  50
  51         Vector2 returnToMainPos;
  52         string returnToMainText;
  53
  54         KeyboardState previousKeyboardState;
  55         KeyboardState currentKeyboardState;
  56
  57         GamerCollection<NetworkGamer> players;
  58         LocalNetworkGamer localPlayer;
  59         AvailableNetworkSessionCollection availableSessions;
  60         bool allReady;
  61
  62         int selectedSessionIndex;
  63
  64         private enum lobbyState
  65         {
  66             Welcome,
  67             CreateGame,
  68             FindGame,
  69             FindingGames, // TODO: New state.
  70             JoiningGame,  // TODO: New state.
  71             Connected
  72         }
  73
  74         lobbyState currentState;
  75
  76         public lobbyGUI()
  77         {
  78             currentState = lobbyState.Welcome;
  79             selectedSessionIndex = 0;
  80             ready = false;
  81         }
  82
  83         public void LoadContent(ContentManager contentManager, GraphicsDeviceManager graphics)
  84         {
  85             background = contentManager.Load<Texture2D>("background");
  86             spotLight = contentManager.Load<Texture2D>("spotlight");
  87             cs = contentManager.Load<Texture2D>("cs");
  88             selectGameScreen = contentManager.Load<Texture2D>("selectGameScreen");
  89             backgroundPos = new Vector2(0f, 0f);
  90             spotLightPos = new Vector2(100f, graphics.GraphicsDevice.Viewport.Height - 98);
  91             spotLightCenter = new Vector2(800f, 800f);
  92             spotLightVelocity = new Vector2(-100, 33);
  93             csPos = new Vector2(10f, graphics.GraphicsDevice.Viewport.Height - 98);
  94
  95             zero = new Vector2(0, 0);
  96
  97             MaxX = graphics.GraphicsDevice.Viewport.Width;
  98             MinX = 0;
  99             MaxY = graphics.GraphicsDevice.Viewport.Height;
 100             MinY = 100;
 101
 102             scale = MaxX / 1600f;
 103
 104             //playerlist stuff
 105             checkedBox = contentManager.Load<Texture2D>("checkedBox");
 106             deselectBox = contentManager.Load<Texture2D>("deselectBox");
 107             emptySelectBox = contentManager.Load<Texture2D>("emptySelectBox");
 108             menuItem = contentManager.Load<Texture2D>("menuItem");
 109
 110
 111
 112             //menu fonts
 113             menuFont = contentManager.Load<SpriteFont>("menuFont");
 114             createGamePos = new Vector2(100f, MaxY / 3);
 115             createGameText = "Create Game";
 116             selected = createGameText;
 117
 118             findGamePos = new Vector2(100f, (MaxY / 3) + 60);
 119             findGameText = "Find Game";
 120
 121             returnToMainPos = new Vector2(MaxX / 2, MaxY - 120);
 122             returnToMainText = "press [ X ] to return to main menu";
 123
 124
 125         }
 126
 127         public void UnloadContent()
 128         {
 129
 130         }
 131
 132         // TODO: New method.
 133         void JoinedSession(NetworkSession session, NetworkGame networkGame)
 134         {
 135             if (session != null)
 136             {
 137                 currentState = lobbyState.Connected;
 138             }
 139             else
 140             {
 141                 // TODO: This should do something more than just throw the player back to the welcome screen.
 142                 currentState = lobbyState.Welcome;
 143                 Console.WriteLine("Couldn't create/join the session.");
 144             }
 145         }
 146
 147         // TODO: New method.
 148         void FoundSessions(AvailableNetworkSessionCollection sessions, NetworkGame networkGame)
 149         {
 150             availableSessions = sessions;
 151
 152             if (availableSessions != null && availableSessions.Count > 0)
 153             {
 154                 networkGame.JoinSession(availableSessions[0], JoinedSession);
 155                 currentState = lobbyState.JoiningGame;
 156
 157                 availableSessions.Dispose();
 158                 availableSessions = null;
 159             }
 160             else
 161             {
 162                 // TODO: This should do something more than just throw the player back to the welcome screen.
 163                 currentState = lobbyState.Welcome;
 164                 Console.WriteLine("No sessions to join!");
 165             }
 166         }
 167
 168         // TODO: New method.
 169         void AsyncCallbackFailed(Exception exception, NetworkGame networkGame)
 170         {
 171             currentState = lobbyState.Welcome;
 172             Console.WriteLine("Exception as thrown during async call: " + exception.Message);
 173         }
 174
 175
 176         public long Update(GameTime gameTime, NetworkGame networkGame)
 177         {
 178
 179             UpdateSpotLight(gameTime);
 180             currentKeyboardState = Keyboard.GetState();
 181
 182             if (networkGame.HasActiveSession)
 183             {
 184                 players = networkGame.NetworkGamers;
 185             }
 186
 187             //check inputs
 188             switch (currentState)
 189             {
 190                 case lobbyState.Welcome:
 191                     if (selected == createGameText)
 192                     {
 193                         if (currentKeyboardState.IsKeyDown(Keys.Enter) && previousKeyboardState.IsKeyUp(Keys.Enter))
 194                             currentState = lobbyState.CreateGame;
 195                         if (currentKeyboardState.IsKeyDown(Keys.Down))
 196                             selected = findGameText;
 197                     }
 198                     else
 199                     {
 200                         if (currentKeyboardState.IsKeyDown(Keys.Enter) && previousKeyboardState.IsKeyUp(Keys.Enter))
 201                             currentState = lobbyState.FindGame;
 202                         if (currentKeyboardState.IsKeyDown(Keys.Up))
 203                             selected = createGameText;
 204                     }
 205                     break;
 206
 207                 case lobbyState.CreateGame:
 208                     if (currentKeyboardState.IsKeyDown(Keys.X) && previousKeyboardState.IsKeyUp(Keys.X))
 209                     {
 210                         currentState = lobbyState.Welcome;
 211                         ready = false;
 212                         if (networkGame.HasActiveSession)
 213                         {
 214                             players = null;
 215                             networkGame.LeaveSession();
 216                         }
 217                     }
 218                     if (currentKeyboardState.IsKeyDown(Keys.Y) && previousKeyboardState.IsKeyUp(Keys.Y))
 219                     {
 220                         currentState = lobbyState.JoiningGame;
 221                         networkGame.ErrorDelegate = AsyncCallbackFailed;
 222                         networkGame.CreateSession(JoinedSession);
 223                     }
 224                     break;
 225
 226                 case lobbyState.FindGame:
 227                     if (currentKeyboardState.IsKeyDown(Keys.X) && previousKeyboardState.IsKeyUp(Keys.X))
 228                     {
 229                         currentState = lobbyState.Welcome;
 230                         ready = false;
 231                     }
 232                     networkGame.ErrorDelegate = AsyncCallbackFailed;
 233                     networkGame.FindSessions(FoundSessions);
 234                     currentState = lobbyState.FindingGames;
 235                     break;
 236
 237                 case lobbyState.Connected:
 238                     if (currentKeyboardState.IsKeyDown(Keys.X) && previousKeyboardState.IsKeyUp(Keys.X))
 239                     {
 240                         ready = false;
 241                         if (networkGame.HasActiveSession)
 242                         {
 243                             players = null;
 244                             networkGame.LeaveSession();
 245                         }
 246                         currentState = lobbyState.Welcome;
 247                     }
 248                     if (currentKeyboardState.IsKeyDown(Keys.R) && previousKeyboardState.IsKeyUp(Keys.R))
 249                         networkGame.LocalGamer.IsReady = true;
 250
 251                     if (networkGame.HasActiveSession)
 252                     {
 253                         localPlayer = networkGame.LocalGamer;
 254                         players = networkGame.NetworkGamers;
 255                         if (players != null)
 256                         {
 257                             allReady = true;
 258                             foreach (NetworkGamer p in players)
 259                                 if (p.IsReady == false)
 260                                 {
 261                                     allReady = false;
 262                                     break;
 263                                 }
 264                         }
 265
 266                         //allows host to start the game when all players are ready, change count below to different number for testing with less then 4 players
 267                         if(allReady && players.Count == 2 && localPlayer == players[0])
 268                         {
 269                             if (currentKeyboardState.IsKeyDown(Keys.B) && previousKeyboardState.IsKeyUp(Keys.B))
 270                             {
 271                                 networkGame.ForceStartGame();
 272                             }
 273                         }
 274                     }
 275                     else
 276                         currentState = lobbyState.Welcome;
 277
 278                     break;
 279
 280             }
 281             previousKeyboardState = Keyboard.GetState();
 282
 283             return 1;
 284         }
 285
 286         /// <summary>
 287         /// Draws the lobby GUI. Has different states for difference menu configurations
 288         /// </summary>
 289         public long Draw(SpriteBatch spriteBatch)
 290         {
 291             spriteBatch.Draw(background, backgroundPos, null, Color.White, 0, zero, scale, SpriteEffects.None, 0);
 292             spriteBatch.Draw(cs, csPos, null, Color.White, 0, zero, 0.5f, SpriteEffects.None, 0);
 293             spriteBatch.Draw(spotLight, spotLightPos, null, Color.White, 0, spotLightCenter, 1f, SpriteEffects.None, 0);
 294
 295             switch (currentState)
 296             {
 297                 case lobbyState.Welcome:
 298                     spriteBatch.DrawString(menuFont, "press [ Home ] to login", new Vector2(350, 20), Color.LightGray, 0f, zero, .6f, SpriteEffects.None, 0.5f);
 299                     if (selected == createGameText)
 300                         spriteBatch.DrawString(menuFont, createGameText, createGamePos, Color.Red, 0, zero, 1f, SpriteEffects.None, 0.5f);
 301                     else
 302                         spriteBatch.DrawString(menuFont, createGameText, createGamePos, Color.Gray, 0, zero, 1f,SpriteEffects.None, 0.5f);
 303                     if (selected == findGameText)
 304                         spriteBatch.DrawString(menuFont, findGameText, findGamePos, Color.Red, 0, zero, 1f, SpriteEffects.None, 0.5f);
 305                     else
 306                         spriteBatch.DrawString(menuFont, findGameText, findGamePos, Color.Gray, 0, zero, 1f, SpriteEffects.None, 0.5f);
 307                     break;
 308
 309                 case lobbyState.CreateGame:
 310                     DrawPlayerList(spriteBatch);
 311                     spriteBatch.DrawString(menuFont, "You are now the Host!", new Vector2(MaxX / 2, MaxY / 3), Color.White, 0f, zero, .7f, SpriteEffects.None, 0.5f);
 312                     spriteBatch.DrawString(menuFont, "press: Y to continue", new Vector2(MaxX /2, (MaxY / 3) + menuFont.LineSpacing), Color.White, 0f, zero, .6f, SpriteEffects.None, 0.5f);
 313                     spriteBatch.DrawString(menuFont, "X to return to main menu", new Vector2(MaxX /2 + 40, (MaxY / 3) + 2 * menuFont.LineSpacing), Color.White, 0f, zero, .6f, SpriteEffects.None, 0.5f);
 314
 315                     break;
 316
 317                 case lobbyState.FindingGames:
 318                     spriteBatch.Draw(selectGameScreen, backgroundPos, null, Color.White, 0, zero, scale, SpriteEffects.None, 0);
 319                     if(availableSessions == null)
 320                         spriteBatch.DrawString(menuFont, "searching for available games ....", new Vector2(150, 100), Color.Gray, 0f, zero, .7f, SpriteEffects.None, 0.5f);
 321                     else if (availableSessions.Count == 0)
 322                         spriteBatch.DrawString(menuFont, "no games currently available, searching ....", new Vector2(150, 100), Color.Gray, 0f, zero, .7f, SpriteEffects.None, 0.5f);
 323                     else
 324                     {
 325                         for (int sessionIndex = 0; sessionIndex < availableSessions.Count; sessionIndex++)
 326                         {
 327                             Color color = Color.Gray;
 328
 329                             if (sessionIndex == selectedSessionIndex)
 330                                 color = Color.Red;
 331
 332                             spriteBatch.DrawString(menuFont, availableSessions[sessionIndex].HostGamertag, new Vector2(150, 100 + sessionIndex * menuFont.LineSpacing), color, 0f, zero, .7f, SpriteEffects.None, 0.5f);
 333                             spriteBatch.DrawString(menuFont, availableSessions[sessionIndex].CurrentGamerCount + " / " + availableSessions[sessionIndex].OpenPublicGamerSlots + availableSessions[sessionIndex].OpenPrivateGamerSlots,
 334                                                    new Vector2(400, 100 + sessionIndex * menuFont.LineSpacing), color, 0f, zero, .7f, SpriteEffects.None, 0.5f);
 335                         }
 336                     }
 337                     break;
 338
 339                 case lobbyState.Connected:
 340                     DrawPlayerList(spriteBatch);
 341
 342                     if(allReady && players.Count == 2 && localPlayer == players[0])
 343                         spriteBatch.DrawString(menuFont, "Press B to begin game!", new Vector2(MaxX / 2, MaxY / 2), Color.White, 0f, zero, .7f, SpriteEffects.None, 0.5f);
 344                     else if(allReady)
 345                         spriteBatch.DrawString(menuFont, "The game will begin soon.", new Vector2(MaxX / 2, MaxY / 2), Color.White, 0f, zero, .7f, SpriteEffects.None, 0.5f);
 346                     else
 347                         spriteBatch.DrawString(menuFont, "Waiting for ready players...", new Vector2(MaxX / 2, MaxY / 2), Color.White, 0f, zero, .7f, SpriteEffects.None, 0.5f);
 348                     break;
 349             }
 350
 351             return 1;
 352         }
 353
 354         private void UpdateSpotLight(GameTime gameTime)
 355         {
 356             spotLightPos = new Vector2(spotLightPos.X + spotLightVelocity.X * (float)gameTime.ElapsedGameTime.TotalSeconds,
 357                                         spotLightPos.Y + spotLightVelocity.Y * (float)gameTime.ElapsedGameTime.TotalSeconds);
 358
 359             if (spotLightPos.X > MaxX || spotLightPos.X < MinX) //right or left wall
 360             {
 361                 spotLightVelocity = new Vector2(spotLightVelocity.X * -1, spotLightVelocity.Y);
 362             }
 363             else if (spotLightPos.Y > MaxY || spotLightPos.Y < MinY) //top or bottom wall
 364             {
 365                 spotLightVelocity = new Vector2(spotLightVelocity.X, spotLightVelocity.Y * -1);
 366             }
 367         }
 368
 369
 370         private void DrawPlayerList(SpriteBatch spriteBatch)
 371         {
 372
 373             //reference point
 374             Vector2 topOfList = new Vector2(MaxX / 8, MaxY / 4);
 375
 376             //command info
 377             spriteBatch.DrawString(menuFont, "Current Players", new Vector2(topOfList.X + 15, topOfList.Y - 25), Color.White);
 378             spriteBatch.DrawString(menuFont, "Command Options:          to mark your self as ready", new Vector2(20, 20), Color.Gray, 0f, zero, .6f, SpriteEffects.None, 1f);
 379             spriteBatch.DrawString(menuFont, "type players # to toggle chat", new Vector2(175, 40), Color.Gray, 0f, zero, .6f, SpriteEffects.None, 1f);
 380             spriteBatch.DrawString(menuFont, "return to main menu", new Vector2(175, 60), Color.Gray, 0f, zero, .6f, SpriteEffects.None, 1f);
 381             spriteBatch.DrawString(menuFont, "R", new Vector2(145, 20), Color.DarkGreen, 0f, zero, .6f, SpriteEffects.None, 1f);
 382             spriteBatch.DrawString(menuFont, "#", new Vector2(145, 40), Color.DarkGreen, 0f, zero, .6f, SpriteEffects.None, 1f);
 383             spriteBatch.DrawString(menuFont, "X", new Vector2(145, 60), Color.DarkGreen, 0f, zero, .6f, SpriteEffects.None, 1f);
 384
 385             //Background squares
 386             spriteBatch.Draw(menuItem, topOfList, null, Color.White, 0, zero, scale, SpriteEffects.None, 1f);
 387             spriteBatch.Draw(menuItem, new Vector2(topOfList.X, topOfList.Y + 65), null, Color.White, 0, zero, scale, SpriteEffects.None, 1f);
 388             spriteBatch.Draw(menuItem, new Vector2(topOfList.X, topOfList.Y + 130), null, Color.White, 0, zero, scale, SpriteEffects.None, 1f);
 389             spriteBatch.Draw(menuItem, new Vector2(topOfList.X, topOfList.Y + 195), null, Color.White, 0, zero, scale, SpriteEffects.None, 1f);
 390
 391             //Ready Labels
 392             spriteBatch.DrawString(menuFont, "Ready", new Vector2(topOfList.X + 5, topOfList.Y + 45), Color.DarkGray, 0f, zero, .6f, SpriteEffects.None, 1f);
 393             spriteBatch.DrawString(menuFont, "Ready", new Vector2(topOfList.X + 5, topOfList.Y + 110), Color.DarkGray, 0f, zero, .6f, SpriteEffects.None, 1f);
 394             spriteBatch.DrawString(menuFont, "Ready", new Vector2(topOfList.X + 5, topOfList.Y + 175), Color.DarkGray, 0f, zero, .6f, SpriteEffects.None, 1f);
 395             spriteBatch.DrawString(menuFont, "Ready", new Vector2(topOfList.X + 5, topOfList.Y + 240), Color.DarkGray, 0f, zero, .6f, SpriteEffects.None, 1f);
 396
 397             //Ready CheckBoxs
 398             if (players == null)
 399             {
 400                 spriteBatch.Draw(emptySelectBox, new Vector2(topOfList.X - 32, topOfList.Y + 35), null, Color.White, 0, zero, scale, SpriteEffects.None, 1f);
 401                 spriteBatch.Draw(emptySelectBox, new Vector2(topOfList.X - 32, topOfList.Y + 100), null, Color.White, 0, zero, scale, SpriteEffects.None, 1f);
 402                 spriteBatch.Draw(emptySelectBox, new Vector2(topOfList.X - 32, topOfList.Y + 165), null, Color.White, 0, zero, scale, SpriteEffects.None, 1f);
 403                 spriteBatch.Draw(emptySelectBox, new Vector2(topOfList.X - 32, topOfList.Y + 230), null, Color.White, 0, zero, scale, SpriteEffects.None, 1f);
 404             }
 405             else
 406             {
 407                 if (!(players.Count >= 1 && players[0].IsReady))
 408                     spriteBatch.Draw(emptySelectBox, new Vector2(topOfList.X - 32, topOfList.Y + 35), null, Color.White, 0, zero, scale, SpriteEffects.None, 1f);
 409                 else
 410                     spriteBatch.Draw(checkedBox, new Vector2(topOfList.X - 32, topOfList.Y + 30), null, Color.White, 0, zero, scale, SpriteEffects.None, 1f);
 411                 if (!(players.Count >= 2 && players[1].IsReady))
 412                     spriteBatch.Draw(emptySelectBox, new Vector2(topOfList.X - 32, topOfList.Y + 100), null, Color.White, 0, zero, scale, SpriteEffects.None, 1f);
 413                 else
 414                     spriteBatch.Draw(checkedBox, new Vector2(topOfList.X - 32, topOfList.Y + 95), null, Color.White, 0, zero, scale, SpriteEffects.None, 1f);
 415                 if (!(players.Count >= 3 && players[2].IsReady))
 416                     spriteBatch.Draw(emptySelectBox, new Vector2(topOfList.X - 32, topOfList.Y + 165), null, Color.White, 0, zero, scale, SpriteEffects.None, 1f);
 417                 else
 418                     spriteBatch.Draw(checkedBox, new Vector2(topOfList.X - 32, topOfList.Y + 160), null, Color.White, 0, zero, scale, SpriteEffects.None, 1f);
 419                 if (!(players.Count >= 4 && players[3].IsReady))
 420                     spriteBatch.Draw(emptySelectBox, new Vector2(topOfList.X - 32, topOfList.Y + 230), null, Color.White, 0, zero, scale, SpriteEffects.None, 1f);
 421                 else
 422                     spriteBatch.Draw(checkedBox, new Vector2(topOfList.X - 32, topOfList.Y + 225), null, Color.White, 0, zero, scale, SpriteEffects.None, 1f);
 423             }
 424
 425             //Chat Labels
 426             spriteBatch.DrawString(menuFont, "Chat with", new Vector2(topOfList.X + 152, topOfList.Y + 45), Color.DarkGray, 0f, zero, .6f, SpriteEffects.None, 1f);
 427             spriteBatch.DrawString(menuFont, "Chat with", new Vector2(topOfList.X + 152, topOfList.Y + 110), Color.DarkGray, 0f, zero, .6f, SpriteEffects.None, 1f);
 428             spriteBatch.DrawString(menuFont, "Chat with", new Vector2(topOfList.X + 152, topOfList.Y + 175), Color.DarkGray, 0f, zero, .6f, SpriteEffects.None, 1f);
 429             spriteBatch.DrawString(menuFont, "Chat with", new Vector2(topOfList.X + 152, topOfList.Y + 240), Color.DarkGray, 0f, zero, .6f, SpriteEffects.None, 1f);
 430
 431             //Chat CheckBoxs
 432             Boolean chatwith = false;  // change to reflect info from network, move to update and create one for each player
 433             if (!chatwith)
 434                 spriteBatch.Draw(deselectBox, new Vector2(topOfList.X +218, topOfList.Y + 35), null, Color.White, 0, zero, scale, SpriteEffects.None, 1f);
 435             else
 436                 spriteBatch.Draw(checkedBox, new Vector2(topOfList.X + 218, topOfList.Y + 30), null, Color.White, 0, zero, scale, SpriteEffects.None, 1f);
 437
 438             if (!chatwith)
 439                 spriteBatch.Draw(deselectBox, new Vector2(topOfList.X + 218, topOfList.Y + 100), null, Color.White, 0, zero, scale, SpriteEffects.None, 1f);
 440             else
 441                 spriteBatch.Draw(checkedBox, new Vector2(topOfList.X + 218, topOfList.Y + 95), null, Color.White, 0, zero, scale, SpriteEffects.None, 1f);
 442
 443             if (!chatwith)
 444                 spriteBatch.Draw(deselectBox, new Vector2(topOfList.X + 218, topOfList.Y + 165), null, Color.White, 0, zero, scale, SpriteEffects.None, 1f);
 445             else
 446                 spriteBatch.Draw(checkedBox, new Vector2(topOfList.X + 218, topOfList.Y + 160), null, Color.White, 0, zero, scale, SpriteEffects.None, 1f);
 447
 448             if (!chatwith)
 449                 spriteBatch.Draw(deselectBox, new Vector2(topOfList.X + 218, topOfList.Y + 230), null, Color.White, 0, zero, scale, SpriteEffects.None, 1f);
 450             else
 451                 spriteBatch.Draw(checkedBox, new Vector2(topOfList.X + 218, topOfList.Y + 225), null, Color.White, 0, zero, scale, SpriteEffects.None, 1f);
 452
 453
 454             //draw player names
 455             if (players != null)
 456             {
 457                 for (int g = 0; g < players.Count; g++)
 458                 {
 459                     spriteBatch.DrawString(menuFont, players[g].Gamertag, new Vector2(topOfList.X + 10, topOfList.Y + 10 + 65*g), Color.White, 0f, zero, .75f, SpriteEffects.None, 1f);
 460                 }
 461             }
 462         }
 463     }
 464 }