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 ScoreSystem(SpaceShipSystem spaceShipSystem, ContentManager content, GameSettings settings)
{
if(spaceShipSystem == null) { return; }
m_players = spaceShipSystem;
m_settings = settings;
if(spaceShipSystem == null) { return; }
// initialize the player scores
m_score = new long[m_players.maxSpaceShips];
for(int i=0;i<m_score.Length;i++) {
m_score[i] = 0;
}
// initialize the score colours
m_colourRed = new Color(255, 0, 0);
m_colourBlue = new Color(0, 0, 255);
m_colourGreen = new Color(0, 255, 0);
m_colourYellow = new Color(255, 255, 0);
if(content == null) { return; }
// load the score font
m_scoreFont = content.Load<SpriteFont>("ScoreFont");
}
public SpaceShip(PlayerIndex playerNumber, Vector2 position, float rotation, SpriteSheet spriteSheet, ProjectileSystem projectileSystem, GameSettings settings, ContentManager content)
{
// instantiate the player's number with a player index
m_playerNumber = playerNumber;
if(m_playerNumber == PlayerIndex.One) { m_colour = SpaceShipColour.Red; }
else if(m_playerNumber == PlayerIndex.Two) { m_colour = SpaceShipColour.Blue; }
else if(m_playerNumber == PlayerIndex.Three) { m_colour = SpaceShipColour.Green; }
else if(m_playerNumber == PlayerIndex.Four) { m_colour = SpaceShipColour.Yellow; }
// instantiate the player's input device type
m_inputDevice = settings.getInputDevice(playerNumber);
if(m_inputDevice == InputDevice.Controller1) { m_controllerNumber = PlayerIndex.One; }
else if(m_inputDevice == InputDevice.Controller2) { m_controllerNumber = PlayerIndex.Two; }
else if(m_inputDevice == InputDevice.Controller3) { m_controllerNumber = PlayerIndex.Three; }
else if(m_inputDevice == InputDevice.Controller4) { m_controllerNumber = PlayerIndex.Four; }
else { m_controllerNumber = PlayerIndex.One; }
// instantiate local variables
this.position = position;
this.rotation = rotation;
m_scale = new Vector2(1, 1);
m_maximumVelocity = 5.8f;
m_acceleration = 0.048f;
m_rotationSpeed = 3.1f;
m_settings = settings;
m_spriteSheet = spriteSheet;
m_projectileSystem = projectileSystem;
if(m_spriteSheet == null) { return; }
// initialize sprite / sprite animation arrays
m_idleSprite = new Sprite[3];
m_movingAnimation = new SpriteAnimation[3];
// set the space ship sprite sheet offset based on the space ship colour
int spriteOffset = 0;
if(m_colour == SpaceShipColour.Red) { spriteOffset = 0; }
else if(m_colour == SpaceShipColour.Blue) { spriteOffset = 18; }
else if(m_colour == SpaceShipColour.Green) { spriteOffset = 3; }
else if(m_colour == SpaceShipColour.Yellow) { spriteOffset = 21; }
// load the idle sprites for each colour
for(int i=0;i<3;i++) {
m_idleSprite[i] = m_spriteSheet.getSprite(i + spriteOffset);
}
// create and store the movement animations for each colour
for(int i=0;i<3;i++) {
m_movingAnimation[i] = new SpriteAnimation(0.16f, SpriteAnimationType.Loop);
m_movingAnimation[i].addSprite(m_spriteSheet.getSprite(i + spriteOffset + 6));
m_movingAnimation[i].addSprite(m_spriteSheet.getSprite(i + spriteOffset + 12));
}
m_offset = new Vector2(m_idleSprite[1].xOffset * 0.9f, m_idleSprite[1].yOffset * 0.9f);
m_size = new Vector2(m_offset.X * 2.0f, m_offset.Y * 2.0f);
updateInitialValues();
}
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 Projectile(Vector2 position, float rotation, SpriteAnimation projectileAnimation, SpaceShip projectileSource, GameSettings settings)
{
m_projectile = projectileAnimation;
this.position = position;
this.rotation = rotation;
m_projectileSource = projectileSource;
m_settings = settings;
// set the acceleration and velocity of the projectile
m_acceleration = 9.0f;
m_velocity.X = (float) (m_acceleration * Math.Cos(MathHelper.ToRadians(m_rotation - 90)));
m_velocity.Y = (float) (m_acceleration * Math.Sin(MathHelper.ToRadians(m_rotation - 90)));
m_offset = new Vector2(2.0f, 2.0f);
m_size = new Vector2(4.0f, 4.0f);
}
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 Asteroid(Sprite sprite, bool isBigAsteroid, GameSettings settings)
{
m_sprite = sprite;
m_bigAsteroid = isBigAsteroid;
m_activeCollisions = new List<Asteroid>();
m_settings = settings;
Random rand = new Random();
if(settings == null) { return; }
m_position = new Vector2(rand.Next(0, settings.screenWidth), rand.Next(0, settings.screenHeight));
m_scale = new Vector2(1.0f, 1.0f);
switch(rand.Next(0, 2)) {
case 0:
m_rotationDirection = RotationDirection.Clockwise;
break;
case 1:
m_rotationDirection = RotationDirection.CounterClockwise;
break;
}
float minRotationStep = 0.3153f;
float maxRotationStep = 0.4584f;
m_rotationSpeed = (float) (rand.NextDouble() * (maxRotationStep - minRotationStep)) + minRotationStep;
m_rotation = (float) rand.NextDouble() * 359.0f;
m_acceleration = 0;
float minVelocity = (float) (rand.NextDouble() * 0.3f) + 0.08f;
float maxVelocity = (float) (rand.NextDouble() * 2.5f) + 0.8f;
float xVelocity = (float) ( (((rand.Next(0, 2) % 2) == 0) ? 1 : -1) * (rand.NextDouble() * (maxVelocity - minVelocity) + minVelocity) );
float yVelocity = (float) ( (((rand.Next(0, 2) % 2) == 0) ? 1 : -1) * (rand.NextDouble() * (maxVelocity - minVelocity) + minVelocity) );
m_velocity = new Vector2(xVelocity, yVelocity);
if(m_sprite == null) { return; }
m_offset = new Vector2(m_sprite.xOffset * 0.9f, m_sprite.yOffset * 0.9f);
m_size = new Vector2(m_offset.X * 2.0f, m_offset.Y * 2.0f);
}
public Asteroids()
{
settings = new GameSettings();
graphics = new GraphicsDeviceManager(this);
content = new ContentManager(Services, "Content");
}
// create the game menu at a specific location
public Menu(int x, int y, Asteroids game, SpaceShipSystem spaceShipSystem, GameSettings settings, ContentManager content)
{
if(content == null) { return; }
// initialize menu colours
m_titleColour = new Color(255, 0, 0);
m_unselectedColour = new Color(160, 160, 160);
m_selectedColour = new Color(255, 255, 255);
m_arrowColour = new Color(0, 255, 0);
// initialize menu fonts
m_titleFont = content.Load<SpriteFont>("TitleFont");
m_menuFont = content.Load<SpriteFont>("MenuFont");
// initialize menu sounds
m_scrollSound = content.Load<SoundEffect>("menu_scroll");
m_selectSound = content.Load<SoundEffect>("menu_select");
m_backSound = content.Load<SoundEffect>("menu_back");
// initialize main menu
m_mainItems = new List<MenuItem>();
m_mainItems.Add(new MenuItem("New Game", m_menuFont, m_unselectedColour, m_selectedColour, m_arrowColour));
m_mainItems.Add(new MenuItem("Resume Game", m_menuFont, m_unselectedColour, m_selectedColour, m_arrowColour));
m_mainItems.Add(new MenuItem("Options", m_menuFont, m_unselectedColour, m_selectedColour, m_arrowColour));
m_mainItems.Add(new MenuItem("Controls", m_menuFont, m_unselectedColour, m_selectedColour, m_arrowColour));
m_mainItems.Add(new MenuItem("Help", m_menuFont, m_unselectedColour, m_selectedColour, m_arrowColour));
m_mainItems.Add(new MenuItem("Quit", m_menuFont, m_unselectedColour, m_selectedColour, m_arrowColour));
// initialize new game sub-menu
m_newGameItems = new List<MenuItem>();
m_newGameItems.Add(new MenuItem("1 Player", m_menuFont, m_unselectedColour, m_selectedColour, m_arrowColour));
m_newGameItems.Add(new MenuItem("2 Player", m_menuFont, m_unselectedColour, m_selectedColour, m_arrowColour));
m_newGameItems.Add(new MenuItem("3 Player", m_menuFont, m_unselectedColour, m_selectedColour, m_arrowColour));
m_newGameItems.Add(new MenuItem("4 Player", m_menuFont, m_unselectedColour, m_selectedColour, m_arrowColour));
m_newGameItems.Add(new MenuItem("Back", m_menuFont, m_unselectedColour, m_selectedColour, m_arrowColour));
// intitialize options sub-menu
m_optionsItems = new List<MenuItem>();
m_optionsItems.Add(new MenuItem("Music", m_menuFont, m_unselectedColour, m_selectedColour, m_arrowColour));
m_optionsItems[0].addOption("On");
m_optionsItems[0].addOption("Off");
m_optionsItems.Add(new MenuItem("Back", m_menuFont, m_unselectedColour, m_selectedColour, m_arrowColour));
// initialize controls sub-menu
m_controlsItems = new List<MenuItem>();
m_controlsItems.Add(new MenuItem("Player 1 ", m_menuFont, m_unselectedColour, m_selectedColour, m_arrowColour));
m_controlsItems.Add(new MenuItem("Player 2", m_menuFont, m_unselectedColour, m_selectedColour, m_arrowColour));
m_controlsItems.Add(new MenuItem("Player 3", m_menuFont, m_unselectedColour, m_selectedColour, m_arrowColour));
m_controlsItems.Add(new MenuItem("Player 4", m_menuFont, m_unselectedColour, m_selectedColour, m_arrowColour));
m_controlsItems.Add(new MenuItem("Back", m_menuFont, m_unselectedColour, m_selectedColour, m_arrowColour));
for(int i=0;i<4;i++) {
m_controlsItems[i].addOption("WSAD");
m_controlsItems[i].addOption("Arrows");
m_controlsItems[i].addOption("C1");
m_controlsItems[i].addOption("C2");
m_controlsItems[i].addOption("C3");
m_controlsItems[i].addOption("C4");
}
// initialize help sub-menu
m_helpItems = new List<MenuItem>();
m_helpItems.Add(new MenuItem("Destroy the Asteroids... or each other!", m_menuFont, m_unselectedColour, m_selectedColour, m_arrowColour));
m_helpItems.Add(new MenuItem("Big Asteroids = 5 Points", m_menuFont, m_unselectedColour, m_selectedColour, m_arrowColour));
m_helpItems.Add(new MenuItem("Small Asteroids = 10 Points", m_menuFont, m_unselectedColour, m_selectedColour, m_arrowColour));
m_helpItems.Add(new MenuItem("Space Ships = 50 Points", m_menuFont, m_unselectedColour, m_selectedColour, m_arrowColour));
m_helpItems.Add(new MenuItem("Back", m_menuFont, m_unselectedColour, m_selectedColour, m_arrowColour));
// initialize menu location
xPos = x;
yPos = y;
m_settings = settings;
m_game = game;
m_players = spaceShipSystem;
// initialize initial menu item option selections
m_optionsItems[0].index = (settings.musicEnabled) ? 0 : 1;
for(int i=0;i<4;i++) {
int itemIndex = 0;
switch(m_settings.getInputDevice(i)) {
case InputDevice.WSAD:
itemIndex = 0;
break;
case InputDevice.Arrows:
itemIndex = 1;
break;
case InputDevice.Controller1:
itemIndex = 2;
break;
case InputDevice.Controller2:
itemIndex = 3;
break;
case InputDevice.Controller3:
itemIndex = 4;
break;
case InputDevice.Controller4:
itemIndex = 5;
break;
}
m_controlsItems[i].index = itemIndex;
}
}
// create the game menu at the default location
public Menu(Asteroids game, SpaceShipSystem spaceShipSystem, GameSettings settings, ContentManager content)
: this(150, 150, game, spaceShipSystem, settings, content)
{
}
public SpaceShipSystem(SpriteSheetCollection spriteSheets, ProjectileSystem projectileSystem, GameSettings settings, ContentManager content)
: this(0, spriteSheets, projectileSystem, settings, content)
{
}