/// <summary>
/// Allows the game to run logic such as updating the world,
/// checking for collisions, gathering input, and playing audio.
/// </summary>
/// <param name="gameTime">Provides a snapshot of timing values.</param>
protected override void Update(GameTime gameTime)
{
mouseState = Mouse.GetState();
switch (gameState)
{
case 0: // Title screen
this.IsMouseVisible = true;
gamePadState = GamePad.GetState(PlayerIndex.One);
// Start the game
if (title.isStartButtonPressed(mouseState))
{
this.IsMouseVisible = false;
MediaPlayer.Stop();
startingAnimation.Start();
gameState = 1;
}
if (title.isMuteButtonPressed(mouseState))
{
if (MediaPlayer.IsMuted == false)
MediaPlayer.IsMuted = true;
else
MediaPlayer.IsMuted = false;
startingAnimation.ChangeMute();
endingAnimation.ChangeMute();
}
break;
case 1: // Starting animation
if (startingAnimation.isFinished() || mouseState.LeftButton == ButtonState.Pressed)
{
startingAnimation.Stop();
MediaPlayer.Play(gameplayMusic);
gameState = 2;
}
break;
case 2: // Game Started
// Allows the game to exit
if (GamePad.GetState(PlayerIndex.One).Buttons.Back == ButtonState.Pressed)
this.Exit();
// Take care of the fade from black first
if (!FadeInAnimation.IsFadeCompleted())
break;
if (!LevelChangeAnimation.IsAnimationCompleted())
{
funnel.Update();
border.Update(totalDropsCaught);
break;
}
// Update all objects to new positions
funnel.Update();
nozzle.Update();
water.Update();
border.Update(totalDropsCaught);
// Release a drop during every specified interval
seconds += gameTime.ElapsedGameTime.TotalSeconds; // seconds += Elapsed time since last update
if (seconds > waterInterval)
{
seconds = 0.0;
water.releaseDrop(nozzle.GetBounds());
}
// Increase counters for any water-funnel collisions.
// From level 8 onward, return the entire funnel collision bounds because the water
// droplets move too fast between frames for collisions to be detected.
int collisions;
if (currentLevel < 8)
collisions = water.getFunnelCollisions(funnel.GetCollisionBounds());
else
collisions = water.getFunnelCollisions(funnel.GetBounds());
totalDropsCaught += collisions;
levelDropsCaught += collisions;
// Update the tank threshold
int misses = water.getFunnelMisses();
tank.updateThreshold(levelDropRequirement, misses);
// Next level!
if (levelDropsCaught == levelDropRequirement)
{
currentLevel += 1;
levelDropRequirement += 5;
levelDropsCaught = 0;
// Increase speeds
nozzle.increaseSpeed(speedMultiplier);
water.increaseSpeed(speedMultiplier);
waterInterval /= speedMultiplier;
// Decrease the multiplier so that the speed increases per level don't become drastic.
if (speedMultiplier > 1.0f)
speedMultiplier *= 0.98f;
LevelChangeAnimation.Reset();
}
// Game Over
if (tank.getTankLevel() == 3)
{
MediaPlayer.Stop();
endingAnimation.Start();
gameState = 3;
}
base.Update(gameTime);
break;
case 3: // Game Ended
if (endingAnimation.isFinished() || mouseState.LeftButton == ButtonState.Pressed)
{
endingAnimation.Stop();
FadeInAnimation.Reset();
MediaPlayer.Play(gameplayMusic);
highScores = new HighScores(totalDropsCaught);
gameState = 4;
}
break;
case 4: // High Scores
this.IsMouseVisible = true;
//keyboardState = Keyboard.GetState();
if ((mouseState.LeftButton == ButtonState.Pressed) &&
mouseState.X > retryButton.X &&
mouseState.X < retryButton.X + retryButton.Width &&
mouseState.Y > retryButton.Y &&
mouseState.Y < retryButton.Y + retryButton.Height)
{
MediaPlayer.Stop();
gameState = 0;
ResetValues();
}
break;
}
}
/// <summary>
/// Allows the game to run logic such as updating the world,
/// checking for collisions, gathering input, and playing audio.
/// </summary>
/// <param name="gameTime">Provides a snapshot of timing values.</param>
protected override void Update(GameTime gameTime)
{
mouseState = Mouse.GetState();
switch (gameState)
{
case 0: // Title screen
this.IsMouseVisible = true;
gamePadState = GamePad.GetState(PlayerIndex.One);
// Start the game
if (title.isStartButtonPressed(mouseState))
{
this.IsMouseVisible = false;
MediaPlayer.Stop();
startingAnimation.Start();
gameState = 1;
}
if (title.isMuteButtonPressed(mouseState))
{
if (MediaPlayer.IsMuted == false)
{
MediaPlayer.IsMuted = true;
}
else
{
MediaPlayer.IsMuted = false;
}
startingAnimation.ChangeMute();
endingAnimation.ChangeMute();
}
break;
case 1: // Starting animation
if (startingAnimation.isFinished() || mouseState.LeftButton == ButtonState.Pressed)
{
startingAnimation.Stop();
MediaPlayer.Play(gameplayMusic);
gameState = 2;
}
break;
case 2: // Game Started
// Allows the game to exit
if (GamePad.GetState(PlayerIndex.One).Buttons.Back == ButtonState.Pressed)
{
this.Exit();
}
// Take care of the fade from black first
if (!FadeInAnimation.IsFadeCompleted())
{
break;
}
if (!LevelChangeAnimation.IsAnimationCompleted())
{
funnel.Update();
border.Update(totalDropsCaught);
break;
}
// Update all objects to new positions
funnel.Update();
nozzle.Update();
water.Update();
border.Update(totalDropsCaught);
// Release a drop during every specified interval
seconds += gameTime.ElapsedGameTime.TotalSeconds; // seconds += Elapsed time since last update
if (seconds > waterInterval)
{
seconds = 0.0;
water.releaseDrop(nozzle.GetBounds());
}
// Increase counters for any water-funnel collisions.
// From level 8 onward, return the entire funnel collision bounds because the water
// droplets move too fast between frames for collisions to be detected.
int collisions;
if (currentLevel < 8)
{
collisions = water.getFunnelCollisions(funnel.GetCollisionBounds());
}
else
{
collisions = water.getFunnelCollisions(funnel.GetBounds());
}
totalDropsCaught += collisions;
levelDropsCaught += collisions;
// Update the tank threshold
int misses = water.getFunnelMisses();
tank.updateThreshold(levelDropRequirement, misses);
// Next level!
if (levelDropsCaught == levelDropRequirement)
{
currentLevel += 1;
levelDropRequirement += 5;
levelDropsCaught = 0;
// Increase speeds
nozzle.increaseSpeed(speedMultiplier);
water.increaseSpeed(speedMultiplier);
waterInterval /= speedMultiplier;
// Decrease the multiplier so that the speed increases per level don't become drastic.
if (speedMultiplier > 1.0f)
{
speedMultiplier *= 0.98f;
}
LevelChangeAnimation.Reset();
}
// Game Over
if (tank.getTankLevel() == 3)
{
MediaPlayer.Stop();
endingAnimation.Start();
gameState = 3;
}
base.Update(gameTime);
break;
case 3: // Game Ended
if (endingAnimation.isFinished() || mouseState.LeftButton == ButtonState.Pressed)
{
endingAnimation.Stop();
FadeInAnimation.Reset();
MediaPlayer.Play(gameplayMusic);
highScores = new HighScores(totalDropsCaught);
gameState = 4;
}
break;
case 4: // High Scores
this.IsMouseVisible = true;
//keyboardState = Keyboard.GetState();
if ((mouseState.LeftButton == ButtonState.Pressed) &&
mouseState.X > retryButton.X &&
mouseState.X < retryButton.X + retryButton.Width &&
mouseState.Y > retryButton.Y &&
mouseState.Y < retryButton.Y + retryButton.Height)
{
MediaPlayer.Stop();
gameState = 0;
ResetValues();
}
break;
}
}