/// <summary>
/// This is called when the game should draw itself.
/// </summary>
/// <param name="gameTime">Provides a snapshot of timing values.</param>
protected override void Draw(GameTime gameTime)
{
float timeScale = (float)gameTime.ElapsedGameTime.TotalSeconds;
timeScale = 1.0f;
// clear every cycle or we can get graphical artifacts
// not strictly necessary as we tend to fill up the whole screen every frame
GraphicsDevice.Clear(Color.CornflowerBlue);
// begin drawing - XNA 4.0 code -
spriteBatch.Begin(SpriteSortMode.Deferred, // TODO: Research
BlendState.AlphaBlend, // blend alphas - i.e., transparencies
SamplerState.PointClamp, // turn off magnification blurring
DepthStencilState.Default, //
RasterizerState.CullNone); // TODO: Research
// FIXME: create separate cloud-overlay class
// begin janky cloud-drawing code: (should put this off in its own class)
Rectangle tmpBackgroundRect = new Rectangle(0, cloudsOffset, SCREEN_WIDTH, SCREEN_HEIGHT);
spriteBatch.Draw(cloudsTexture, tmpBackgroundRect, Color.White);
tmpBackgroundRect = new Rectangle(0, cloudsOffset - SCREEN_HEIGHT, SCREEN_WIDTH, SCREEN_HEIGHT);
spriteBatch.Draw(cloudsTexture, tmpBackgroundRect, Color.White);
cloudsOffset += 1;
if (cloudsOffset > 600)
{
cloudsOffset -= SCREEN_HEIGHT;
}
// end janky cloud-drawing code
// spit out all the entities:
foreach (Entity tmpEntity in listOfEntities)
{
tmpEntity.Draw(spriteBatch, gameTime);
}
// spit out powerups
foreach (Entity tmpPowerUp in listOfPowerUps)
{
tmpPowerUp.Draw(spriteBatch, gameTime);
}
// now for explosions
foreach (Entity tmpExplosion in listOfExplosions)
{
tmpExplosion.Draw(spriteBatch, gameTime);
}
// FIXME: this should be in its own crowd-drawing class
// foreground clouds -- janky as f**k --- TODO: put this in a separate class
Rectangle tmpForegroundRect = new Rectangle(0, fastCloudsOffset, SCREEN_WIDTH, SCREEN_HEIGHT);
// Color transparentColor = new Color(1.0f, 1.0f, 1.0f, 0.25f); // XNA 3.1 version
// FIXME: don't redefine this every frame! that is DUMB.
Color transparentColor = new Color(0.25f, 0.25f, 0.25f, 0.25f); // XNA 4.0 version
spriteBatch.Draw(cloudsTexture, tmpForegroundRect, transparentColor);
tmpForegroundRect = new Rectangle(0, fastCloudsOffset - SCREEN_HEIGHT, SCREEN_WIDTH, SCREEN_HEIGHT);
spriteBatch.Draw(cloudsTexture, tmpForegroundRect, transparentColor);
fastCloudsOffset += 5;
if (fastCloudsOffset > SCREEN_HEIGHT)
{
fastCloudsOffset -= SCREEN_HEIGHT;
}
// debugging text -- FIXME: put this in its own function
string output = "";
// Draw debugging text:
if (gameState == GameStatus.game)
{
// output = "Kills:" + totalKills;
output = "Number of power ups: " + listOfPowerUps.Count();
// output = "Time Alive: " + aliveTime.TotalRealTime.Hours + ":" + aliveTime.TotalRealTime.Minutes + ":" + aliveTime.TotalRealTime.Seconds;
}
// Find the center of the string
Vector2 FontOrigin = devFont.MeasureString(output) / 2;
// Draw the string
spriteBatch.DrawString(devFont, output, new Vector2(21, 571), Color.DarkBlue);
spriteBatch.DrawString(devFont, output, new Vector2(20, 570), Color.WhiteSmoke);
hudHealthBar.DrawHealthTicks(spriteBatch, player.GetHealth(), player.GetMaxHealth());
// draw overlays:
switch (gameState)
{
case GameStatus.startMenu:
{
spriteBatch.Draw(mainMenuTexture, fullScreen, Color.White);
break;
}
case GameStatus.dead:
{
spriteBatch.Draw(deathScreenTexture, fullScreen, Color.White);
string finalScore = "You took " + totalKills + " souls with you.";
// Find the center of the string
int scoreXPos = 400 - ((int)devFont.MeasureString(finalScore).X / 2);
// Draw the string
spriteBatch.DrawString(devFont, finalScore, new Vector2(scoreXPos, 561), Color.DarkBlue);
spriteBatch.DrawString(devFont, finalScore, new Vector2(scoreXPos, 560), Color.WhiteSmoke);
break;
}
default:
{
break;
}
}
fader.Draw(spriteBatch, gameTime); // fader overlay for fading in and out
// end drawing:
spriteBatch.End();
base.Draw(gameTime);
}
/// <summary>
/// LoadContent will be called once per game and is the place to load
/// all of your content.
/// </summary>
protected override void LoadContent()
{
// Create a new SpriteBatch, which can be used to draw textures.
spriteBatch = new SpriteBatch(GraphicsDevice);
devFont = Content.Load<SpriteFont>("Fonts/devFont");
// TODO: use this.Content to load your game content here
myTexture = Content.Load<Texture2D>("Graphics/player_ship");
enemyTexture = Content.Load<Texture2D>("Graphics/enemy_ship");
projectileTexture = Content.Load<Texture2D>("Graphics/projectiles");
cloudsTexture = Content.Load<Texture2D>("Graphics/clouds1");
explosionsTexture = Content.Load<Texture2D>("Graphics/explosions");
zeppelinTexture = Content.Load<Texture2D>("Graphics/zeppelin");
blackPixelTexture = Content.Load<Texture2D>("Graphics/BlackPixel");
mainMenuTexture = Content.Load<Texture2D>("Graphics/startScreen");
deathScreenTexture = Content.Load<Texture2D>("Graphics/endScreen"); // FIXME
healthTickTexture = Content.Load<Texture2D>("Graphics/healthTick");
powerUpsTexture = Content.Load<Texture2D>("Graphics/powerups");
explosion1 = Content.Load<SoundEffect>("Sfx/explosion1");
gunShot1 = Content.Load<SoundEffect>("Sfx/magnum1");
engineLoop = Content.Load<SoundEffect>("Sfx/engine_loop");
// song to loop:
MediaPlayer.IsRepeating = true;
MediaPlayer.Play(Content.Load<Song>("Music/taiko_piece"));
MediaPlayer.Volume = 1.0f;
listOfEntities = new List<Entity>();
listOfExplosions = new List<Entity>();
listOfPowerUps = new List<Entity>();
newEntities = new List<Entity>();
// this isn't necessary right now, but having a List later, esp. when file-names
// are drawn from external data, will be very useful. probably want to have a separate
// class to deal with texture data & names
listOfTextures = new List<Texture2D> {
myTexture,
enemyTexture,
projectileTexture,
cloudsTexture,
explosionsTexture,
zeppelinTexture,
blackPixelTexture,
healthTickTexture,
powerUpsTexture
};
// create the full-screen fader for fading in and out (how cinematic!)
fader = new Fader(blackPixelTexture, fullScreen);
fader.fadeIn(Fader.DEFAULT_FADE_SHIFT);
// create our player's ship and assign it:
player = new PlayerShip(myTexture);
listOfEntities.Add(player); // add the player entity to our global list of entities
hudHealthBar = new HealthBar(healthTickTexture, player.GetHealth(), player.GetMaxHealth());
PowerUp tmpPowerUp = new PowerUp(powerUpsTexture, PowerUpType.repair, new Vector2(400, 100));
listOfPowerUps.Add(tmpPowerUp);
/* // test enemy -- this should really go elsewhere:
EnemyShip tmpEnemy = new EnemyShip(enemyTexture, ShipType.Grey, AIType.Basic, new Vector2(300, 0), this);
listOfEntities.Add(tmpEnemy); // make sure to add all entities to our global list!
++numberOfEnemies;
zeppBoss = new ZeppelinBoss(zeppelinTexture, new Vector2(0, -100), this);
listOfEntities.Add(zeppBoss); */
}
/// <summary>
/// LoadContent will be called once per game and is the place to load
/// all of your content.
/// </summary>
protected override void LoadContent()
{
// Create a new SpriteBatch, which can be used to draw textures.
spriteBatch = new SpriteBatch(GraphicsDevice);
devFont = Content.Load <SpriteFont>("Fonts/devFont");
// TODO: use this.Content to load your game content here
myTexture = Content.Load <Texture2D>("Graphics/player_ship");
enemyTexture = Content.Load <Texture2D>("Graphics/enemy_ship");
projectileTexture = Content.Load <Texture2D>("Graphics/projectiles");
cloudsTexture = Content.Load <Texture2D>("Graphics/clouds1");
explosionsTexture = Content.Load <Texture2D>("Graphics/explosions");
zeppelinTexture = Content.Load <Texture2D>("Graphics/zeppelin");
blackPixelTexture = Content.Load <Texture2D>("Graphics/BlackPixel");
mainMenuTexture = Content.Load <Texture2D>("Graphics/startScreen");
deathScreenTexture = Content.Load <Texture2D>("Graphics/endScreen"); // FIXME
healthTickTexture = Content.Load <Texture2D>("Graphics/healthTick");
powerUpsTexture = Content.Load <Texture2D>("Graphics/powerups");
explosion1 = Content.Load <SoundEffect>("Sfx/explosion1");
gunShot1 = Content.Load <SoundEffect>("Sfx/magnum1");
engineLoop = Content.Load <SoundEffect>("Sfx/engine_loop");
// song to loop:
MediaPlayer.IsRepeating = true;
MediaPlayer.Play(Content.Load <Song>("Music/taiko_piece"));
MediaPlayer.Volume = 1.0f;
listOfEntities = new List <Entity>();
listOfExplosions = new List <Entity>();
listOfPowerUps = new List <Entity>();
newEntities = new List <Entity>();
// this isn't necessary right now, but having a List later, esp. when file-names
// are drawn from external data, will be very useful. probably want to have a separate
// class to deal with texture data & names
listOfTextures = new List <Texture2D> {
myTexture,
enemyTexture,
projectileTexture,
cloudsTexture,
explosionsTexture,
zeppelinTexture,
blackPixelTexture,
healthTickTexture,
powerUpsTexture
};
// create the full-screen fader for fading in and out (how cinematic!)
fader = new Fader(blackPixelTexture, fullScreen);
fader.fadeIn(Fader.DEFAULT_FADE_SHIFT);
// create our player's ship and assign it:
player = new PlayerShip(myTexture);
listOfEntities.Add(player); // add the player entity to our global list of entities
hudHealthBar = new HealthBar(healthTickTexture, player.GetHealth(), player.GetMaxHealth());
PowerUp tmpPowerUp = new PowerUp(powerUpsTexture, PowerUpType.repair, new Vector2(400, 100));
listOfPowerUps.Add(tmpPowerUp);
/* // test enemy -- this should really go elsewhere:
* EnemyShip tmpEnemy = new EnemyShip(enemyTexture, ShipType.Grey, AIType.Basic, new Vector2(300, 0), this);
*
* listOfEntities.Add(tmpEnemy); // make sure to add all entities to our global list!
++numberOfEnemies;
*
* zeppBoss = new ZeppelinBoss(zeppelinTexture, new Vector2(0, -100), this);
*
* listOfEntities.Add(zeppBoss); */
}
