public override void Update(GameTime gameTime)
{
keyboard = Keyboard.GetState();
//Force the user to make a selection of difficulty.
if (!difficultySet)
{
//Make the selection here.
DifficultyMenu();
//If the user doesn't actually want to play the game, let him go back to the title screen.
if (CheckKeystroke(Keys.Escape))
{
Sounds.SoundBank.PlayCue("MenuBack");
screenEvent.Invoke(this, new EventArgs());
}
}
else if (difficultySet && !nameSet)
{
ChooseName();
if (CheckKeystroke(Keys.Escape))
{
Sounds.SoundBank.PlayCue("MenuBack");
screenEvent.Invoke(this, new EventArgs());
}
}
else
{
if (!isPaused)
{
//Checks if the stage is none = player has died.
if (currentLevel != null && currentLevel.stage == CurrentLevelStage.none)
{
if (currentLevel != null)
{
currentLevel = null;
Thread.Sleep(1500);
}
}
//If the level is null, this means that the player has died. Present a death screen with retry and exit options.
else if (currentLevel == null)
{
if (CheckKeystroke(Keys.R))
{
Sounds.SoundBank.PlayCue("MenuHit");
if (level == CurrentLevel.level1)
{
currentLevel = new Level1(content, _game);
}
else
currentLevel = new Level2(content, _game);
playerScore = 0;
}
else if (CheckKeystroke(Keys.Escape))
{
Sounds.SoundBank.PlayCue("MenuBack");
screenEvent.Invoke(this, new EventArgs());
playerScore = 0;
difficulty = Difficulty.easy;
return;
}
}
else
{
// The player won the level or game, wait for the enter key then continue on.
if (currentLevel.stage == CurrentLevelStage.playerWonStage)
{
if (CheckKeystroke(Keys.Enter))
{
switch (level)
{
case CurrentLevel.level2:
currentLevel = new Level2(content, _game);
break;
case CurrentLevel.level3:
screenEvent.Invoke(this, new EventArgs());
break;
case CurrentLevel.bonusLevel:
break;
default:
break;
}
}
}
currentLevel.Update(gameTime);
}
}
CheckPauseKey(keyboard);
}
prevKeyboard = keyboard;
base.Update(gameTime);
}
private void DifficultyMenu()
{
if (CheckKeystroke(Keys.Enter))
{
Sounds.SoundBank.PlayCue("MenuHit");
switch (difficulty)
{
case Difficulty.easy :
difficulty = Difficulty.easy;
break;
case Difficulty.normal :
difficulty = Difficulty.normal;
break;
case Difficulty.hard :
difficulty = Difficulty.hard;
break;
}
//InGameScreen.playerScore = 0; // Make sure the score is set to 0 when the player starts a new game.
difficultySet = true;
//Sets the current level to 1 and initializes it as the player has chosen a dificulty, we can create the level now.
currentLevel = new Level1(content, _game);
//Sets the max ship life in order to draw life correctly for all ships.
maxShipLife = Level.ship.Life;
}
//Change difficulty
if (CheckKeystroke(Keys.Down) && (int)difficulty < 3)
{
Sounds.SoundBank.PlayCue("MenuChoiceChange");
SetAllRed();
difficulty += 1;
}
else if (CheckKeystroke(Keys.Up) == true && (int)difficulty > 1)
{
Sounds.SoundBank.PlayCue("MenuChoiceChange");
SetAllRed();
difficulty -= 1;
}
//Changes the color of the difficulty currently marked.
switch (difficulty)
{
case Difficulty.easy:
easyColor = Color.White;
break;
case Difficulty.normal:
normalColor = Color.White;
break;
case Difficulty.hard:
hardColor = Color.White;
break;
default:
break;
}
}
//Changes the level. Used in cheats.
public string ChangeLevel()
{
if (currentLevel != null)
{
switch (level)
{
case CurrentLevel.level2:
currentLevel = new Level2(content, _game);
return "The level was changed to level 2";
case CurrentLevel.level3:
break;
case CurrentLevel.bonusLevel:
break;
default:
break;
}
}
var wrongLevel = (int)level;
level -= 1;
return string.Format("There is no level initiated or level {0} does not exist.", wrongLevel); // Currently not used as i have no way to display messages.
}