/// <summary>
/// Loads an instruction in for the current level.
/// </summary>
private void LoadInstruction()
{
switch (LevelNumber)
{
case 1:
case 2:
case 4:
case 5:
case 7:
inst = new Instruction(game, spriteBatch, LevelNumber);
break;
default:
inst = null;
break;
}
}
/// <summary>
/// Allows the level to update itself.
/// </summary>
/// <param name="gameTime">Provides a snapshot of timing values.</param>
public override void Update(GameTime gameTime)
{
// Monitor the back button to quit level
if (GamePad.GetState(PlayerIndex.One).Buttons.Back == ButtonState.Pressed)
{
Quit = true;
return;
}
// Update entities
exit.Update(gameTime);
player.Update(gameTime);
// Handles early input cancelling
if (timer == null)
timer = new Timer(game, 500);
timer.Update(gameTime);
if (!timer.IsDone())
{
InputHandler.Instance.Clear();
return;
}
// Set state of level based on player
state = LevelState.Idle;
if (player.State == PlayerState.Moving)
state = LevelState.Moving;
// Check for win condition
if (state == LevelState.Idle)
{
if (player.Position.Intersects(exit.Position))
Complete = true;
}
// Update the HUD
HUD.Update(gameTime);
// Check for reset
if (HUD.Reset)
{
// Don't show instructions on reset
Initialize(false);
timer = null;
return;
}
// Check for Exit()
if (HUD.Exit)
{
Quit = true;
return;
}
// Update blocks
for (int y = 0; y < map.GetLength(0); y++)
{
for (int x = 0; x < map.GetLength(1); x++)
{
if (map[y, x] != null)
map[y, x].Update(gameTime);
}
}
// Update lightning effects
lc.Update(gameTime);
// Handle new gestures
if (state == LevelState.Idle && inst == null)
{
// Handle player movement
Direction direction = InputHandler.Instance.DragDirection();
if (direction != Direction.None)
ProcessPlayerMove(direction);
// Handle block push
Vector2 doubleTap = InputHandler.Instance.DoubleTap();
if (doubleTap != Vector2.Zero)
ProcessPush(doubleTap);
}
// Handle inputs to instructions
else if (state == LevelState.Idle && inst != null)
{
inst.Update(gameTime);
if (inst.Complete)
inst = null;
}
// Clear the input this frame
InputHandler.Instance.Clear();
base.Update(gameTime);
}
/// <summary>
/// Updates all components in the settings view.
/// </summary>
/// <param name="gameTime">Provides a snapshot of timing values.</param>
private void UpdateSettings(GameTime gameTime)
{
// Update the reset button
reset.Update(gameTime);
// Monitor the back button to go back to main menu
if (GamePad.GetState(PlayerIndex.One).Buttons.Back == ButtonState.Pressed)
{
state = MenuState.Main;
UnloadSettings();
LoadMainMenu();
return;
}
// Letting the user know they reset the levels
if (inst != null)
{
inst.Update(gameTime);
if (inst.Complete)
inst = null;
return;
}
// Handle the reset button to reset levels back to 1
if (reset.State == TouchButtonState.Clicked)
{
FileHandler.ResetLevels();
inst = new Instruction(game, spriteBatch, -1);
}
// Update the sound buttons
soundYes.Update(gameTime);
soundNo.Update(gameTime);
// Handle the enable sound button
if (soundYes.State == TouchButtonState.Clicked)
{
// Force a sound to play when sound gets turned on intially
if (SoundMixer.Instance(game).Muted)
SoundMixer.Instance(game).PlayButton(true);
SoundMixer.Instance(game).Muted = false;
}
// Handle sound off button
if (soundNo.State == TouchButtonState.Clicked)
SoundMixer.Instance(game).Muted = true;
}
/// <summary>
/// Creates the lightning controller, heads up display, calls to load
/// the current level, and calls to create instructions as needed.
/// </summary>
/// <param name="showInstructions">If true, instructions will be shown on level load if they exist.</param>
public void Initialize(bool showInstructions)
{
// Create the lightning controller
lc = new LightningController(game, spriteBatch);
/// Create the HUD
HUD = new HeadsUpDisplay(game, spriteBatch);
HUD.Level = LevelNumber;
// Initialize map and load level
map = new Block[18, 12];
LoadLevel();
// Show instructions as needed
inst = null;
if(showInstructions)
LoadInstruction();
base.Initialize();
}
/// <summary>
/// Unloads all components needed for settings view.
/// </summary>
private void UnloadSettings()
{
soundYes = null;
soundNo = null;
reset = null;
inst = null;
}
