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Why Isn't Text Showing

Last post 08/11/2009 0:06 by Andy521. 3 replies.
  • 07/11/2009 6:16

    Why Isn't Text Showing

    Reply Quote
    Hello,

    I made a menu for my game, however, it is not showing the text on the scree. Here is my code. Sorry for making a similar post so soon after my other problem, but this for a different game.

    1 using System; 
    2 using System.Collections.Generic; 
    3 using System.Linq; 
    4 using Microsoft.Xna.Framework; 
    5 using Microsoft.Xna.Framework.Audio; 
    6 using Microsoft.Xna.Framework.Content; 
    7 using Microsoft.Xna.Framework.GamerServices; 
    8 using Microsoft.Xna.Framework.Graphics; 
    9 using Microsoft.Xna.Framework.Input; 
    10 using Microsoft.Xna.Framework.Media; 
    11 using Microsoft.Xna.Framework.Net; 
    12 using Microsoft.Xna.Framework.Storage; 
    13  
    14 namespace Cold_Sun 
    15 { 
    16     /// <summary> 
    17     /// This is the main type for your game 
    18     /// </summary> 
    19     public class Game1 : Microsoft.Xna.Framework.Game 
    20     { 
    21         GraphicsDeviceManager graphics; 
    22         SpriteBatch spriteBatch; 
    23         SpriteFont mainFont; 
    24         ContentManager gameContent; 
    25         StorageContainer gameStorage; 
    26  
    27         Texture2D LogoGfx; 
    28         Vector2 LogoPos; 
    29         Texture2D TitleGfx; 
    30         Vector2 TitlePos; 
    31  
    32         protected Rectangle screenBounds; 
    33  
    34         private KeyboardState previousKey = Keyboard.GetState(); 
    35         private GamePadState previousButton = GamePad.GetState(PlayerIndex.One); 
    36  
    37         int frameRate = 0; 
    38         int frameCounter = 0; 
    39         TimeSpan elapsedTime = TimeSpan.Zero; 
    40  
    41         string[] StartGameSelection = new string[] { 
    42             "New Game", 
    43             "Load Game", 
    44             "Game Options", 
    45             "Exit Game", 
    46         }; 
    47  
    48         int Selected = 0; 
    49  
    50         enum ScreenState 
    51         { 
    52             LogoScreen, 
    53             TitleScreen, 
    54             GameOptionScreen, 
    55             GameScreen, 
    56             MenuScreen 
    57         } 
    58  
    59         enum GameState 
    60         { 
    61             Field, 
    62             Menu, 
    63             Battle, 
    64             Cinema 
    65         } 
    66  
    67         ScreenState gScreen = new ScreenState(); 
    68         GameState gGame = new GameState(); 
    69  
    70         public Game1() 
    71         { 
    72             graphics = new GraphicsDeviceManager(this); 
    73             Content.RootDirectory = "Content"; 
    74  
    75             this.IsMouseVisible = true; 
    76  
    77             this.graphics.PreferredBackBufferWidth = 640; 
    78             this.graphics.PreferredBackBufferHeight = 480; 
    79  
    80             gScreen = ScreenState.LogoScreen; 
    81             gGame = GameState.Field; 
    82         } 
    83  
    84         /// <summary> 
    85         /// Allows the game to perform any initialization it needs to before starting to run. 
    86         /// This is where it can query for any required services and load any non-graphic 
    87         /// related content.  Calling base.Initialize will enumerate through any components 
    88         /// and initialize them as well. 
    89         /// </summary> 
    90         protected override void Initialize() 
    91         { 
    92             // TODO: Add your initialization logic here 
    93             LogoPos = new Vector2(0, 0); 
    94             TitlePos = new Vector2(0, 0); 
    95  
    96             base.Initialize(); 
    97         } 
    98  
    99         /// <summary> 
    100         /// LoadContent will be called once per game and is the place to load 
    101         /// all of your content. 
    102         /// </summary> 
    103         protected override void LoadContent() 
    104         { 
    105             // Create a new SpriteBatch, which can be used to draw textures. 
    106             spriteBatch = new SpriteBatch(GraphicsDevice); 
    107  
    108             // TODO: use this.Content to load your game content here 
    109             mainFont = this.Content.Load<SpriteFont>("mainFont"); 
    110  
    111             LogoGfx = this.Content.Load<Texture2D>("Img/Logo"); 
    112             TitleGfx = this.Content.Load<Texture2D>("Img/Title"); 
    113         } 
    114  
    115         /// <summary> 
    116         /// UnloadContent will be called once per game and is the place to unload 
    117         /// all content. 
    118         /// </summary> 
    119         protected override void UnloadContent() 
    120         { 
    121             // TODO: Unload any non ContentManager content here 
    122             mainFont = null; 
    123             LogoGfx = null; 
    124             TitleGfx = null; 
    125             StartGameSelection = null; 
    126             gameContent = null; 
    127             gameStorage = null; 
    128         } 
    129  
    130         /// <summary> 
    131         /// Allows the game to run logic such as updating the world, 
    132         /// checking for collisions, gathering input, and playing audio. 
    133         /// </summary> 
    134         /// <param name="gameTime">Provides a snapshot of timing values.</param> 
    135         protected override void Update(GameTime gameTime) 
    136         { 
    137             // Allows the game to exit 
    138             if (GamePad.GetState(PlayerIndex.One).Buttons.Back == ButtonState.Pressed) 
    139                 this.Exit(); 
    140  
    141             // TODO: Add your update logic here 
    142             elapsedTime += gameTime.ElapsedGameTime; 
    143  
    144             if (elapsedTime > TimeSpan.FromSeconds(1)) 
    145             { 
    146                 elapsedTime -= TimeSpan.FromSeconds(1); 
    147                 frameRate = frameCounter; 
    148                 frameCounter = 0; 
    149             } 
    150  
    151             UpdateInput(); 
    152  
    153             base.Update(gameTime); 
    154         } 
    155  
    156         private void UpdateInput() 
    157         { 
    158             KeyboardState currentKey = Keyboard.GetState(); 
    159             GamePadState currentButton = GamePad.GetState(PlayerIndex.One); 
    160  
    161             switch (gScreen) 
    162             { 
    163                 case ScreenState.LogoScreen: 
    164                     { 
    165                         if ((currentKey.IsKeyDown(Keys.Enter) || currentButton.Buttons.Start == ButtonState.Pressed) && !previousKey.IsKeyDown(Keys.Enter)) 
    166                         { 
    167                             gScreen = ScreenState.TitleScreen; 
    168                         } 
    169                         break; 
    170                     } 
    171                 case ScreenState.TitleScreen: 
    172                     { 
    173                         if((currentKey.IsKeyDown(Keys.Up) || currentButton.DPad.Up == ButtonState.Pressed) && !previousKey.IsKeyDown(Keys.Up)) 
    174                         { 
    175                             if (Selected > 0) 
    176                                 --Selected; 
    177                         } 
    178                         else if ((currentKey.IsKeyDown(Keys.Down) || currentButton.DPad.Down == ButtonState.Pressed) && !previousKey.IsKeyDown(Keys.Down)) 
    179                         { 
    180                             if (Selected < StartGameSelection.Length - 1) 
    181                                 ++Selected; 
    182                         } 
    183                         else if ((currentKey.IsKeyDown(Keys.Enter) || currentButton.Buttons.Start == ButtonState.Pressed) && !previousKey.IsKeyDown(Keys.Enter) && Selected == 3) 
    184                         { 
    185                             this.Exit(); 
    186                         } 
    187                         break; 
    188                     } 
    189             } 
    190  
    191             previousButton = currentButton; 
    192             previousKey = currentKey; 
    193         } 
    194  
    195         /// <summary> 
    196         /// This is called when the game should draw itself. 
    197         /// </summary> 
    198         /// <param name="gameTime">Provides a snapshot of timing values.</param> 
    199         protected override void Draw(GameTime gameTime) 
    200         { 
    201             GraphicsDevice.Clear(Color.CornflowerBlue); 
    202  
    203             // TODO: Add your drawing code here 
    204             frameCounter++; 
    205  
    206             string fps = string.Format("Cold Sun - DarkScar Games [FPS:{0}]", frameRate); 
    207  
    208             spriteBatch.Begin(SpriteBlendMode.AlphaBlend); 
    209  
    210             this.Window.Title = fps.ToString(); 
    211  
    212             switch (gScreen) 
    213             { 
    214                 case ScreenState.LogoScreen: 
    215                     { 
    216                         spriteBatch.Draw(LogoGfx, LogoPos, Color.CornflowerBlue); 
    217                         break; 
    218                     } 
    219                 case ScreenState.TitleScreen: 
    220                     { 
    221                         spriteBatch.Draw(TitleGfx, TitlePos, Color.CornflowerBlue); 
    222                         for (int i = 0, n = StartGameSelection.Length; i != n; ++i) 
    223                         { 
    224                             spriteBatch.DrawString(mainFont, StartGameSelection[i], new Vector2(200, 1500 + 50 * i), (i == Selected) ? Color.Yellow : Color.White); 
    225                         } 
    226                         break; 
    227                     } 
    228             } 
    229  
    230             switch (gGame) 
    231             { 
    232                 case GameState.Field: 
    233                     { 
    234                         break; 
    235                     } 
    236             } 
    237  
    238             spriteBatch.End(); 
    239  
    240             base.Draw(gameTime); 
    241         } 
    242     } 
    243 } 
    244  

    Thanks for the help.
  • 07/11/2009 7:06 In reply to

    Re: Why Isn't Text Showing

    Reply Quote
    Put a breakpoint on the text drawing code.  See if it's ever run.
    If it's not, why not?  See what variables are set to that cause it to be skipped.
    You have, basically, in a switch statement:
    "if (xxx) then DrawText()"
    So see what "xxx" equals.  Is it true?  If not, can it become true?  Do you ever set it to be true?
    You'll find the answer. ;)
    Jason Doucette / Xona Games
    Duality ZF [Top 20 in Dream.Build.Play 2009]
  • 07/11/2009 11:07 In reply to

    Re: Why Isn't Text Showing

    Answer
    Reply Quote
    The position you're drawing your text is at:
    new Vector2(200, 1500 + 50 * i)

    What's the size of your game window, exactly? For some reason, I doubt it's 1650 pixels tall (1500 + 50 * 3), and it's probably not even 1500 pixels tall. Perhaps you meant to write 150 + 50 * i, rather than 1500? ;)
  • 08/11/2009 0:06 In reply to

    Re: Why Isn't Text Showing

    Reply Quote
    Thank you, I had an extra zero in there. I changed it from 1500 to 150. It shows up now. Thanks again.
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