public void Update(GameTimer timer, ContentManager theContentManager, PowerupHandler pu, Player player, bool soundMuted)
{
enemiesInLevel = (background.Period + 1) * 3;
elapsedTime += (float)timer.UpdateInterval.TotalSeconds;
if (elapsedTime > 45f / enemiesInLevel && readyEnemies.Count > 0) //45f = time to 4000px to pass (current background width = 2000px)
{
elapsedTime = 0;
readyEnemies[0].Position = new Vector2(player.Position.X + random.Next(760, 810), random.Next(110, 450));
visibleEnemies.Add(readyEnemies[0]);
readyEnemies.Remove(readyEnemies[0]);
}
foreach (Enemy e in visibleEnemies)
{
if (e.Position.X < player.Position.X - 100)
{
if (e.IsAlive && player.IsAlive)
player.score.AddPoints(-5);
e.IsAlive = true;
e.Hitpoints = maxHealth;
e.ExplosionCreated = false;
e.explosionHandler.explosions.Clear();
readyEnemies.Add(e);
visibleEnemies.Remove(e);
break;
}
e.Update(timer, pu, theContentManager, player, soundMuted);
}
}
public GamePage()
{
InitializeComponent();
// Get the content manager from the application
contentManager = (Application.Current as App).Content;
// Create a timer for this page
timer = new GameTimer();
timer.UpdateInterval = TimeSpan.FromTicks(/*333333*/ 111111);
timer.Update += OnUpdate;
timer.Draw += OnDraw;
player = new Player();
background = new Background();
clouds = new Clouds();
enemyHandler = new EnemyHandler(player, background);
intersectionHandler = new IntersectionHandler();
buildingHandler = new BuildingHandler();
powerupHandler = new PowerupHandler();
}
public void HandlePowerupIntersections(PowerupHandler pu, Player player)
{
playerRectangle = new Rectangle((int)player.X - player.W / 2, (int)player.Y - player.H / 2, player.W, player.H);
foreach (Powerup p in pu.powerups)
{
powerupRectangle = new Rectangle((int)p.X, (int)p.Y, p.W, p.H);
if (playerRectangle.Intersects(powerupRectangle))
{
if (p.Type == "health")
{
if (player.Hitpoints + 5 < player.MaxHealth)
player.Hitpoints += 5;
else
{
if (player.healthPowerups.Count < 5)
{
p.Source = new Rectangle(0, 0, p.W, p.H);
p.Position = new Vector2(150, 438);
p.Scale = 2f;
player.healthPowerups.Add(p);
}
else
player.Hitpoints = player.MaxHealth;
}
}
else if (p.Type == "ammo")
{
if (player.Ammo + 50 < player.MaxAmmo)
player.Ammo += 50;
else
{
if (player.ammoPowerups.Count < 5)
{
p.Source = new Rectangle(0, 16, p.W * 2, p.H * 2);
p.Position = new Vector2(618, 438); //TODO: test behavior on higher resolution if the game scales correctly
p.Scale = 1f;
player.ammoPowerups.Add(p);
}
else
player.Ammo = player.MaxAmmo;
}
}
else if (p.Type == "ten")
{
player.score.AddPoints(10);
}
else if (p.Type == "bomb" && player.AvailibleBombs + 1 <= 2)
{
player.AvailibleBombs += 1;
}
pu.powerups.Remove(p);
break;
}
}
}
private void GeneratePowerups(PowerupHandler pu, ContentManager theContentManager)
{
int x = random.Next(0, 7);
if (x == 1)
pu.CreatePowerup(new Vector2(this.X - 50, this.Y - 100), theContentManager, "health");
else if (x == 2)
pu.CreatePowerup(new Vector2(random.Next(810, 900), random.Next(20, 300)), theContentManager, "ten");
else if (x == 3)
pu.CreatePowerup(new Vector2(this.X - 50, this.Y - 100), theContentManager, "ammo");
if (random.Next(30) == 13)
pu.CreatePowerup(new Vector2(random.Next(810, 900), random.Next(20, 300)), theContentManager, "bomb");
}
public void Update(GameTimer timer, PowerupHandler pu , ContentManager theContentManager, Player player, bool soundsMuted)
{
this.Position += direction * velocity * (float)timer.UpdateInterval.TotalSeconds;
if (this.Hitpoints < 1 && !ExplosionCreated)
{
this.GeneratePowerups(pu, theContentManager);
this.IsAlive = false;
explosionHandler.CreateExplosion("normal", new Vector2(this.X - 47, this.Y - 87), contentManager);
this.ExplosionCreated = true;
player.score.AddPoints(10);
}
if (this.IsAlive && reloadTime == 0 && random.Next(this.Hitpoints / 2 + 1) == 1)
{
Bullet newBullet = new Bullet(new Vector2(this.X - 45, this.Y - 84), direction, this.Rotation);
newBullet.LoadContent(contentManager);
bullets.Add(newBullet);
//if (!soundsMuted)
// mg.Play(0.075f, 0, 0);
}
reloadTime += (float)timer.UpdateInterval.TotalSeconds;
if (reloadTime > 0.05f)
reloadTime = 0;
foreach (Bullet b in bullets)
{
b.Update(timer);
if (b.Position.X - this.Position.X > 700)
{
bullets.Remove(b);
break;
}
}
explosionHandler.Update(timer, player.IsAlive, soundsMuted); //player.IsAlive indicates that all explosions are moving towards the player as long palyer is alive and background is scrolling
this.Animate(player);
}
