// parse a collection of sprite sheets from a specified sprite sheet data file
public static SpriteSheetCollection parseFrom(String fileName, ContentManager content)
{
if(fileName == null || !File.Exists(fileName)) { return null; }
StreamReader instream;
SpriteSheet spriteSheet;
SpriteSheetCollection spriteSheets = new SpriteSheetCollection();
// open the sprite sheet data file and parse until either:
// an invalid sprite sheet is encountered
// or the end of the file is encountered
try {
instream = File.OpenText(fileName);
do {
// parse the sprite sheet and store it
spriteSheet = SpriteSheet.parseFrom(instream, content);
spriteSheets.addSpriteSheet(spriteSheet);
} while(spriteSheet != null);
instream.Close();
}
catch(Exception) { return null; }
return spriteSheets;
}
protected override void LoadContent()
{
// initialize sprite batching and the sprite sheet collection
spriteBatch = new SpriteBatch(GraphicsDevice);
spriteSheets = SpriteSheetCollection.parseFrom(settings.spriteSheetFileName, content);
if (spriteSheets == null)
{
Exit();
}
// initialize the game management systems
projectileSystem = new ProjectileSystem(spriteSheets, settings, content);
spaceShipSystem = new SpaceShipSystem(spriteSheets, projectileSystem, settings, content);
asteroidSystem = new AsteroidSystem(spriteSheets, spaceShipSystem, settings);
explosionSystem = new ExplosionSystem(spriteSheets, content);
scoreSystem = new ScoreSystem(spaceShipSystem, content, settings);
collisionSystem = new CollisionSystem(projectileSystem, spaceShipSystem, asteroidSystem, explosionSystem, scoreSystem);
// initialize the menu
menu = new Menu(this, spaceShipSystem, settings, content);
// load and start the background music (if appropriate)
backgroundMusic = content.Load <Song>("myg0t");
MediaPlayer.IsRepeating = true;
if (settings.musicEnabled)
{
MediaPlayer.Play(backgroundMusic);
}
}
// parse a collection of sprite sheets from a specified sprite sheet data file
public static SpriteSheetCollection parseFrom(String fileName, ContentManager content)
{
if (fileName == null || !File.Exists(fileName))
{
return(null);
}
StreamReader instream;
SpriteSheet spriteSheet;
SpriteSheetCollection spriteSheets = new SpriteSheetCollection();
// open the sprite sheet data file and parse until either:
// an invalid sprite sheet is encountered
// or the end of the file is encountered
try {
instream = File.OpenText(fileName);
do
{
// parse the sprite sheet and store it
spriteSheet = SpriteSheet.parseFrom(instream, content);
spriteSheets.addSpriteSheet(spriteSheet);
} while(spriteSheet != null);
instream.Close();
}
catch (Exception) { return(null); }
return(spriteSheets);
}
public ProjectileSystem(SpriteSheetCollection spriteSheets, GameSettings settings, ContentManager content)
{
m_projectiles = new List <Projectile>();
// load the projectile sprites and create an animation from them
if (spriteSheets != null)
{
m_projectileSprites = spriteSheets.getSpriteSheet("Projectiles");
}
if (m_projectileSprites != null)
{
m_projectileAnimations = new SpriteAnimation[4];
for (int i = 0; i < 4; i++)
{
m_projectileAnimations[i] = new SpriteAnimation(0.18f, SpriteAnimationType.Loop);
m_projectileAnimations[i].addSprite(m_projectileSprites.getSprite(i * 2));
m_projectileAnimations[i].addSprite(m_projectileSprites.getSprite(i * 2 + 1));
}
}
// load the laser sound
if (content != null)
{
m_laserSound = content.Load <SoundEffect>("Laser");
}
m_settings = settings;
}
public ProjectileSystem(SpriteSheetCollection spriteSheets, GameSettings settings, ContentManager content)
{
m_projectiles = new List<Projectile>();
// load the projectile sprites and create an animation from them
if(spriteSheets != null) {
m_projectileSprites = spriteSheets.getSpriteSheet("Projectiles");
}
if(m_projectileSprites != null) {
m_projectileAnimations = new SpriteAnimation[4];
for(int i=0;i<4;i++) {
m_projectileAnimations[i] = new SpriteAnimation(0.18f, SpriteAnimationType.Loop);
m_projectileAnimations[i].addSprite(m_projectileSprites.getSprite(i * 2));
m_projectileAnimations[i].addSprite(m_projectileSprites.getSprite(i * 2 + 1));
}
}
// load the laser sound
if(content != null) {
m_laserSound = content.Load<SoundEffect>("Laser");
}
m_settings = settings;
}
public ExplosionSystem(SpriteSheetCollection spriteSheets, ContentManager content)
{
m_explosions = new List<Explosion>();
if(spriteSheets != null) {
m_explosionSprites = spriteSheets.getSpriteSheet("Explosion");
}
m_explosionSound = content.Load<SoundEffect>("Explosion");
}
public ExplosionSystem(SpriteSheetCollection spriteSheets, ContentManager content)
{
m_explosions = new List <Explosion>();
if (spriteSheets != null)
{
m_explosionSprites = spriteSheets.getSpriteSheet("Explosion");
}
m_explosionSound = content.Load <SoundEffect>("Explosion");
}
public AsteroidSystem(SpriteSheetCollection spriteSheets, SpaceShipSystem spaceShipSystem, GameSettings settings)
{
m_asteroids = new List<Asteroid>();
if(spriteSheets != null) {
m_asteroidSprites = spriteSheets.getSpriteSheet("Asteroids");
}
m_spaceShipSystem = spaceShipSystem;
m_settings = settings;
m_maxSmallAsteroids = 12;
m_maxBigAsteroids = 10;
}
public AsteroidSystem(SpriteSheetCollection spriteSheets, SpaceShipSystem spaceShipSystem, GameSettings settings)
{
m_asteroids = new List <Asteroid>();
if (spriteSheets != null)
{
m_asteroidSprites = spriteSheets.getSpriteSheet("Asteroids");
}
m_spaceShipSystem = spaceShipSystem;
m_settings = settings;
m_maxSmallAsteroids = 12;
m_maxBigAsteroids = 10;
}
public SpaceShipSystem(int numberOfSpaceShips, SpriteSheetCollection spriteSheets, ProjectileSystem projectileSystem, GameSettings settings, ContentManager content)
{
this.numberOfSpaceShips = numberOfSpaceShips;
if(spriteSheets != null) {
m_spaceShipSprites = spriteSheets.getSpriteSheet("SpaceShip");
}
m_projectileSystem = projectileSystem;
m_settings = settings;
// initialize all space ships
if(m_settings == null || content == null || m_spaceShipSprites == null) { return; }
m_spaceShips = new SpaceShip[m_maxSpaceShips];
m_spaceShips[0] = new SpaceShip(PlayerIndex.One, new Vector2(settings.screenWidth * 0.2f, settings.screenHeight * 0.2f), 135, m_spaceShipSprites, projectileSystem, settings, content);
m_spaceShips[1] = new SpaceShip(PlayerIndex.Two, new Vector2(settings.screenWidth * 0.8f, settings.screenHeight * 0.8f), -45, m_spaceShipSprites, projectileSystem, settings, content);
m_spaceShips[2] = new SpaceShip(PlayerIndex.Three, new Vector2(settings.screenWidth * 0.2f, settings.screenHeight * 0.8f), 45, m_spaceShipSprites, projectileSystem, settings, content);
m_spaceShips[3] = new SpaceShip(PlayerIndex.Four, new Vector2(settings.screenWidth * 0.8f, settings.screenHeight * 0.2f), -135, m_spaceShipSprites, projectileSystem, settings, content);
}
public SpaceShipSystem(int numberOfSpaceShips, SpriteSheetCollection spriteSheets, ProjectileSystem projectileSystem, GameSettings settings, ContentManager content)
{
this.numberOfSpaceShips = numberOfSpaceShips;
if (spriteSheets != null)
{
m_spaceShipSprites = spriteSheets.getSpriteSheet("SpaceShip");
}
m_projectileSystem = projectileSystem;
m_settings = settings;
// initialize all space ships
if (m_settings == null || content == null || m_spaceShipSprites == null)
{
return;
}
m_spaceShips = new SpaceShip[m_maxSpaceShips];
m_spaceShips[0] = new SpaceShip(PlayerIndex.One, new Vector2(settings.screenWidth * 0.2f, settings.screenHeight * 0.2f), 135, m_spaceShipSprites, projectileSystem, settings, content);
m_spaceShips[1] = new SpaceShip(PlayerIndex.Two, new Vector2(settings.screenWidth * 0.8f, settings.screenHeight * 0.8f), -45, m_spaceShipSprites, projectileSystem, settings, content);
m_spaceShips[2] = new SpaceShip(PlayerIndex.Three, new Vector2(settings.screenWidth * 0.2f, settings.screenHeight * 0.8f), 45, m_spaceShipSprites, projectileSystem, settings, content);
m_spaceShips[3] = new SpaceShip(PlayerIndex.Four, new Vector2(settings.screenWidth * 0.8f, settings.screenHeight * 0.2f), -135, m_spaceShipSprites, projectileSystem, settings, content);
}
protected override void LoadContent()
{
// initialize sprite batching and the sprite sheet collection
spriteBatch = new SpriteBatch(GraphicsDevice);
spriteSheets = SpriteSheetCollection.parseFrom(settings.spriteSheetFileName, content);
if(spriteSheets == null) { Exit(); }
// initialize the game management systems
projectileSystem = new ProjectileSystem(spriteSheets, settings, content);
spaceShipSystem = new SpaceShipSystem(spriteSheets, projectileSystem, settings, content);
asteroidSystem = new AsteroidSystem(spriteSheets, spaceShipSystem, settings);
explosionSystem = new ExplosionSystem(spriteSheets, content);
scoreSystem = new ScoreSystem(spaceShipSystem, content, settings);
collisionSystem = new CollisionSystem(projectileSystem, spaceShipSystem, asteroidSystem, explosionSystem, scoreSystem);
// initialize the menu
menu = new Menu(this, spaceShipSystem, settings, content);
// load and start the background music (if appropriate)
backgroundMusic = content.Load<Song>("myg0t");
MediaPlayer.IsRepeating = true;
if(settings.musicEnabled) {
MediaPlayer.Play(backgroundMusic);
}
}
public SpaceShipSystem(SpriteSheetCollection spriteSheets, ProjectileSystem projectileSystem, GameSettings settings, ContentManager content)
: this(0, spriteSheets, projectileSystem, settings, content)
{
}
public SpaceShipSystem(SpriteSheetCollection spriteSheets, ProjectileSystem projectileSystem, GameSettings settings, ContentManager content) :
this(0, spriteSheets, projectileSystem, settings, content)
{
}
