protected virtual void OnEnemyCollision()
{
EnemyCollision?.Invoke(this, EventArgs.Empty);
}
public void Update(GameTime gameTime, List <PowerUp> powerUps, List <Wall> walls, Random rand, int windowWidth, int windowHeight, ref User player, List <Enemy> enemies)
{
this.windowWidth = windowWidth;
this.windowHeight = windowHeight;
#region Handle Wall Collisions & Moving
//if (!shouldMove)
//{
// HandleWallCollisions(direction, walls, ref player);
//}
if (shouldMove)
{
Move(direction);
}
if (!ShouldMove(direction, walls, ref player))
{
HandleWallCollisions(direction, walls, ref player);
}
#endregion
#region Updating With Enemies
for (int i = 0; i < enemies.Count; i++)
{
if (enemies[i].Intersects(drawRectangle))
{
if (SnakeEffect == Effect.Forcefield)
{
if (!enemiesCollided.Contains(enemies[i].Id))
{
player.EnemiesAvoided++;
enemiesCollided.Add(enemies[i].Id);
}
}
else
{
EnemyCollision?.Invoke();
}
}
}
#endregion
#region Handling Powerups
CheckPowerUpPickup(powerUps, rand, walls, windowWidth, windowHeight, ref player);
secondsTimer.Update(gameTime);
if (SnakeEffect == Effect.Speed && secondsTimer.QueryWaitTime(gameTime))
{
// We've had speed for one second
player.AddToStat(Stat.SpeedSeconds, 1);
}
if (SnakeEffect == Effect.Frozen && secondsTimer.QueryWaitTime(gameTime))
{
// We've been frozen for one second
player.AddToStat(Stat.TimeFrozen, 1);
}
if (SnakeEffect == Effect.Frozen)
{
frozenTimer.Update(gameTime);
if (frozenTimer.QueryWaitTime(gameTime))
{
SnakeEffect = Effect.None;
}
}
if (SnakeEffect == Effect.WallBreaker)
{
wallBreakTimer.Update(gameTime);
if (wallBreakTimer.QueryWaitTime(gameTime))
{
SnakeEffect = Effect.None;
if (Sound.IsPlaying(Sounds.Buzzing))
{
Sound.Stop(Sounds.Buzzing);
}
}
else
{
if (!Sound.IsPlaying(Sounds.Buzzing))
{
Sound.PlaySound(Sounds.Buzzing);
}
}
}
if (SnakeEffect != Effect.WallBreaker && Sound.IsPlaying(Sounds.Buzzing))
{
Sound.Stop(Sounds.Buzzing);
}
if (SnakeEffect == Effect.Forcefield)
{
forcefieldTimer.Update(gameTime);
if (forcefieldTimer.QueryWaitTime(gameTime))
{
SnakeEffect = Effect.None;
}
forcefieldRect.X = drawRectangle.X;
forcefieldRect.Y = drawRectangle.Y - (forcefieldRect.Height / 2 - drawRectangle.Height / 2);
}
speedTimer.Update(gameTime);
if (SnakeEffect == Effect.Speed && speedTimer.QueryWaitTime(gameTime))
{
SnakeEffect = Effect.None;
speedTimer.Reset();
}
if (SnakeEffect == Effect.Speed)
{
speed = PW_SPD;
}
else
{
speed = REG_SPD;
}
if (lightningStrip != null)
{
animationTimer.Update(gameTime);
if (SnakeEffect == Effect.WallBreaker && animationTimer.QueryWaitTime(gameTime))
{
if (currentFrame + 1 >= L_FRAMES_PER_ROW)
{
currentFrame = 0;
sourceRect.X = 0;
}
else
{
currentFrame++;
sourceRect.X += L_ANIMATION_WIDTH;
}
}
lightningLocationRect.X = drawRectangle.X;
lightningLocationRect.Y = drawRectangle.Y;
lightningLocationRect.Width = drawRectangle.Width;
lightningLocationRect.Height = drawRectangle.Height;
}
hatRect.X = drawRectangle.X + (2 * hatSpacingX);
hatRect.Y = drawRectangle.Y - hatRect.Height;
#endregion
#region PC Controls
keyState = Keyboard.GetState();
GamePadState gamePad = GamePad.GetState(PlayerIndex.One);
shouldMove = false;
// Check if any control keys are pressed.
// PC controls
if (keyState.IsKeyDown(Keys.Up) || keyState.IsKeyDown(Keys.W) && keyState.IsKeyUp(Keys.LeftControl) && keyState.IsKeyUp(Keys.RightControl) &&
keyState.IsKeyUp(Keys.LeftAlt) && keyState.IsKeyUp(Keys.RightAlt))
{
direction = Direction.Up;
//shouldMove = ShouldMove(direction, walls, ref player);
shouldMove = true;
}
else if (keyState.IsKeyDown(Keys.Down) || keyState.IsKeyDown(Keys.S) && keyState.IsKeyUp(Keys.LeftAlt) && keyState.IsKeyUp(Keys.RightAlt))
{
direction = Direction.Down;
//shouldMove = ShouldMove(direction, walls, ref player);
shouldMove = true;
}
else if (keyState.IsKeyDown(Keys.Right) || keyState.IsKeyDown(Keys.D))
{
direction = Direction.Right;
//shouldMove = ShouldMove(direction, walls, ref player);
shouldMove = true;
effect = SpriteEffects.None;
}
else if (keyState.IsKeyDown(Keys.Left) || keyState.IsKeyDown(Keys.A))
{
direction = Direction.Left;
//shouldMove = ShouldMove(direction, walls, ref player);
shouldMove = true;
effect = SpriteEffects.FlipHorizontally;
}
#endregion
#region Clamping
// Clamp the snake so the player cannot navigate it out of the window.
if (drawRectangle.X <= minX)
{
drawRectangle.X = minX;
}
if (drawRectangle.X >= windowWidth - drawRectangle.Width)
{
drawRectangle.X = windowWidth - drawRectangle.Width;
}
if (drawRectangle.Y <= minY)
{
drawRectangle.Y = minY;
}
if (drawRectangle.Y >= windowHeight - drawRectangle.Height)
{
drawRectangle.Y = windowHeight - drawRectangle.Height;
}
#endregion
#region Hat Updating
if (HasHat)
{
SetHatRectValues();
}
#endregion
}