/// <summary>
/// Initializes a new instance of the Game class.
/// </summary>
/// <param name="boundaries">The rectangle representing the gaming area.</param>
/// <param name="random">A Random for use with all inner functions requiring a random.</param>
public Game(Rectangle boundaries, Random random) {
/* initialize the two accepted parameters before
ANYTHING else.*/
this.boundaries = boundaries;
this.random = random;
this.playerShipStartingLocation = new Point(boundaries.Right - 100, boundaries.Bottom - 50);
this.mothershipStartingLocation = new Point(boundaries.Left + 40, 90);
this.motherShipDirection = Direction.Right;
this.motherShip = null;
this.motherShipTravelArea = new Rectangle(new Point(boundaries.Left, 90), new Size(boundaries.Width, 40));
this.playerShip = new PlayerShip(playerShipStartingLocation);
this.playerShots = new List<Shot>();
this.playerBombs = new List<Bomb>();
this.invaderShots = new List<Shot>();
this.invaders = new List<Invader>();
this.livesLeftDisplay = new List<Bitmap>();
this.deadInvaderExplosions = new List<Explosion>();
this.otherExplosions = new List<Explosion>();
this.deadInvaderScores = new List<ScoreFlash>();
this.mothershipHasAppeared = false;
this.stars = new Stars(boundaries, random);
for (int i = 0; i < livesLeft; i++)
livesLeftDisplay.Add(playerShip.GetImage());
NextWave();
} // end constructor method Game
} // end method DrawLivesLeft
/// <summary>
/// This method progresses to the next wave of invaders while updating the Current Invader Wave and Frames To Skip
/// and resetting the invader and shot lists.
/// </summary>
private void NextWave() {
if (++currentInvaderWave > maxNumberOfWaves) {
OnGameOver(new EventArgs());
return;
} // end if
framesToSkip--;
//playerShip.Area.Location = playerShipStartingLocation;
invaders = new List<Invader>();
invaderDirection = Direction.Right;
invaderShots = new List<Shot>();
playerShots = new List<Shot>();
playerBombs = new List<Bomb>();
deadInvaderExplosions = new List<Explosion>();
otherExplosions = new List<Explosion>();
deadInvaderScores = new List<ScoreFlash>();
//mothershipStartingLocation = new Point(boundaries.Left + 1, 50);
//motherShipTravelArea = new Rectangle(new Point(boundaries.Left, 50), new Size(boundaries.Width, 40));
//motherShipDirection = Direction.Right;
motherShip = null;
mothershipHasAppeared = false;
ResetShields();
int xMove = 85;
int yMove = 50;
int yPosition = 50;
int xPosition = 50;
yPosition = AddInvaderRow(ShipType.Satellite, 50, xMove, yMove, xPosition, yPosition);
yPosition = AddInvaderRow(ShipType.Bug, 40, xMove, yMove, xPosition, yPosition);
yPosition = AddInvaderRow(ShipType.Saucer, 30, xMove, yMove, xPosition, yPosition);
yPosition = AddInvaderRow(ShipType.Spaceship, 20, xMove, yMove, xPosition, yPosition);
yPosition = AddInvaderRow(ShipType.Star, 10, xMove, yMove, xPosition, yPosition);
} // end method NextWave
/// <summary>
/// This method removes an invader from the invaders list and
/// triggers an explosion where the invader died.
/// </summary>
/// <param name="deadInvader"></param>
private void KillInvader(Invader deadInvader)
{
Explosion newDeadInvaderExplosion = new Explosion(deadInvader.Location, random);
deadInvaderExplosions.Add(newDeadInvaderExplosion);
ScoreFlash newDeadInvaderScoreFlash = new ScoreFlash(deadInvader.Location, deadInvader.Score);
deadInvaderScores.Add(newDeadInvaderScoreFlash);
score += deadInvader.Score;
if (gotPointsFromShots) bombScore += deadInvader.Score;
invaders.Remove(deadInvader);
if (deadInvader is MotherShip) motherShip = null;
} // end method KillInvader
} // end method MoveInvaderGrunts
/// <summary>
/// This method moves the mothership from the
/// left side of the screen to the right if it's active.
/// It'll remove the mothership if it gets from left to right
/// with out getting shot.
/// </summary>
private void MoveMotherShip()
{
if (motherShip != null)
{
motherShip.Move(motherShipDirection);
if (IsTouchingBorder(motherShip.Area, motherShipDirection, 20))
{
Explosion newExplosion = new Explosion(motherShip.Location, random);
otherExplosions.Add(newExplosion);
invaders.Remove(motherShip);
motherShip = null;
} // end if
} // end else
// } // end if
} // end method MoveMotherShip
} // end method MoveMotherShip
/// <summary>
/// This method checks to see if there are no other invader ships in the rectangular area
/// the mother ship flys by within. If there aren't any, the mothership appears.
/// </summary>
private void CheckToAddMotherShip() {
if (!mothershipHasAppeared)
{
List<Invader> invaderGrunts = new List<Invader>();
foreach (Invader invader in invaders)
if (invader is InvaderGrunt)
invaderGrunts.Add(invader);
var invadergruntsOnBorder =
from invadergrunt in invaderGrunts
where motherShipTravelArea.Contains(invadergrunt.Location)
select invadergrunt;
if (invadergruntsOnBorder.Count() > 0) return;
else
{
Explosion newExplosion = new Explosion(mothershipStartingLocation, random);
otherExplosions.Add(newExplosion);
motherShip = new MotherShip(mothershipStartingLocation);
invaders.Add(motherShip);
mothershipHasAppeared = true;
} // end else
} // end if
} // end method CheckToAddMotherShip