/// <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)
{
if (gameState == GameState.TitleScreen)
{
previousState = GameState.TitleScreen;
startScreen.Update(gameTime, 1);
if (startScreen.SinglePlayer || startScreen.MultiPlayer)
{
if (fadeScreen.Opacity <= 255)
{
if (fadeScreen.Opacity != 255)
{
MediaPlayer.Volume -= .07f;
fadeScreen.Fade(gameTime, 15);
}
else
{
if (startScreen.SinglePlayer)
{
gameState = GameState.CharacterSelection;
characterScreen = new CharacterSelectionScreen(graphics, Content);
}
else if (startScreen.MultiPlayer)
{
gameState = GameState.MultiplayerLobby;
multiplayerLobby = new Lobby(graphics, Content, startScreen.ControlScheme);
}
MediaPlayer.Volume = 1f;
}
}
else
{
if (fadeScreen != null)
{
if (fadeScreen.Opacity > 0)
{
fadeScreen.Fade(gameTime, -1);
}
}
}
}
}
else if (gameState == GameState.CharacterSelection)
{
previousState = GameState.CharacterSelection;
characterScreen.Update(gameTime);
if (characterScreen.IsDone)
{
if (fadeScreen.Opacity <= 255)
{
if (fadeScreen.Opacity != 255)
{
fadeScreen.Fade(gameTime, 15);
MediaPlayer.Volume -= .06f;
}
else
{
LoadCharacter();
gameState = GameState.StartLevel; // .Credits; //
characterScreen = null;
startScreen = null;
}
}
}
else
{
if (fadeScreen.Opacity > 0)
{
fadeScreen.Fade(gameTime, -5);
}
}
}
else if (gameState == GameState.MultiplayerLobby)
{
previousState = GameState.MultiplayerLobby;
multiplayerLobby.Update(gameTime);
if (multiplayerLobby.IsDone)
{
if (fadeScreen.Opacity <= 255)
{
if (fadeScreen.Opacity != 255)
{
fadeScreen.Fade(gameTime, 15);
MediaPlayer.Volume -= .06f;
}
else
{
LoadCharacter();
gameState = GameState.StartLevel;
characterScreen = null;
startScreen = null;
}
}
}
else
{
if (fadeScreen.Opacity > 0)
{
fadeScreen.Fade(gameTime, -5);
}
}
}
else if (gameState == GameState.StartLevel)
{
previousState = GameState.StartLevel;
if (fadeScreen.Opacity > 0)
{
MediaPlayer.Volume += .07f;
fadeScreen.Fade(gameTime, -5);
}
if (fadeScreen.Opacity == 0)
{
MediaPlayer.Volume = 1f;
}
float scrollSpeed = gameTime.ElapsedGameTime.Milliseconds / 6f;
currentLevel.background.Update(gameTime, scrollSpeed);
levelBeginning.Update(gameTime);
if (levelIncrement == 1)
currentLevel.border.Update(gameTime, scrollSpeed);
playerOneSprite.Update(gameTime);
if (playerTwoSprite != null)
{
playerTwoSprite.Update(gameTime);
}
if (levelBeginning.IsDone)
{
gameState = GameState.PlayingLevel;
}
}
else if (gameState == GameState.PlayingLevel)
{
previousState = GameState.PlayingLevel;
if (dinosaurOne._currentHealth > 0)
{
if (dinosaurOne.ControlScheme == ChosenControl.Keyboard)
{
input.Update(Keyboard.GetState(), playerOneSprite, dinosaurOne, playerShots, graphics, gameTime, gameState);
}
else if (dinosaurOne.ControlScheme == ChosenControl.Gamepad)
{
padInput.Update(GamePad.GetState(PlayerIndex.One, GamePadDeadZone.None), playerOneSprite, dinosaurOne, playerShots, graphics, gameTime, gameState);
}
}
if (dinosaurTwo != null)
{
if (dinosaurTwo._currentHealth > 0)
{
if (dinosaurTwo.ControlScheme == ChosenControl.Keyboard)
{
input.Update(Keyboard.GetState(), playerTwoSprite, dinosaurTwo, playerShots, graphics, gameTime, gameState);
}
else if (dinosaurTwo.ControlScheme == ChosenControl.Gamepad)
{
if (dinosaurOne.ControlScheme != ChosenControl.Gamepad)
{
padInput.Update(GamePad.GetState(PlayerIndex.One, GamePadDeadZone.None), playerTwoSprite, dinosaurTwo, playerShots, graphics, gameTime, gameState);
}
else
{
padInput.Update(GamePad.GetState(PlayerIndex.Two, GamePadDeadZone.None), playerTwoSprite, dinosaurTwo, playerShots, graphics, gameTime, gameState);
}
}
}
}
hbOne.Update(dinosaurOne.Health);
cbOne.Update(dinosaurOne.LaserCharge);
if (playerTwoSprite != null)
{
hbTwo.Update(dinosaurTwo.Health);
cbTwo.Update(dinosaurTwo.LaserCharge);
}
int counter = 0;
foreach (Sprite s in enemies)
{
currentLevel.healthBars[counter++].Update(s.Health, s.Position);
if (s.enemyType.type == Enemies.EnemyType.Etype.Level1Boss ||
s.enemyType.type == Enemies.EnemyType.Etype.Level2Boss ||
s.enemyType.type == Enemies.EnemyType.Etype.Level3Boss)
{
bossLifeBar.IsVisible = true;
bossLifeBar.Update(s.Health);
}
else
{
bossLifeBar.IsVisible = false;
}
}
enemyShots.Update(gameTime, graphics, playerOneSprite, playerTwoSprite);
playerShots.Update(gameTime, graphics);
gameState = currentLevel.Update(this, gameTime, spriteBatch, graphics, this.enemies);
foreach (Sprite enemy in enemies)
{
if (enemy.GetType() == (typeof(AnimatedSprite)))
{
(enemy as AnimatedSprite).Update(gameTime);
}
else
{
enemy.Update(gameTime, graphics, playerOneSprite, playerTwoSprite, dinosaurOne, dinosaurTwo);
}
if ((enemy.Movement.X < 0 && enemy.Position.X <= 100) || (enemy.Movement.X > 0 && enemy.Position.X >= graphics.PreferredBackBufferWidth - 100))
{
enemy.Movement = new Vector2(enemy.Movement.X * -1, enemy.Movement.Y);
}
if ((enemy.Movement.Y < 0 && enemy.Position.Y <= 50) || (enemy.Movement.Y > 0 && enemy.Position.Y >= graphics.PreferredBackBufferHeight / 1.5))
{
enemy.Movement = new Vector2(enemy.Movement.X, enemy.Movement.Y * -1);
}
shotBehavior.Update(graphics, enemy, enemyShots);
}
AnimatedSprite removeMe = null;
foreach (AnimatedSprite ex in explosions)
{
ex.Update(gameTime);
if (ex.frames >= ex.frameTotal)
{
removeMe = ex;
}
}
explosions.Remove(removeMe);
foreach (Powerup powerUp in collisions.powerups)
{
if (powerUp != null)
{
powerUp.Update(gameTime);
}
}
collisions.Update(this, Content, spriteBatch, font, dinosaurOne, enemies, enemyShots, playerShots, currentLevel.randomObjects, currentLevel.healthBars, playerOneSprite, graphics, dinosaurTwo, playerTwoSprite);
if (dinosaurOne._currentCharge < dinosaurOne.MaxLaserCharge)
playerOneCounter += 1;
if (playerOneCounter >= 9)
{
dinosaurOne._currentCharge++;
playerOneCounter = 0;
}
if (dinosaurTwo != null)
{
if (dinosaurTwo._currentCharge < dinosaurTwo.MaxLaserCharge)
playerTwoCounter += 1;
if (playerTwoCounter >= 9)
{
dinosaurTwo._currentCharge++;
playerTwoCounter = 0;
}
}
if (singlePlayer)
{
if (dinosaurOne._currentHealth <= 0)
{
hbOne.Update(dinosaurOne.Health);
gameState = GameState.Death;
}
}
else
{
if (dinosaurOne._currentHealth <= 0 && dinosaurTwo._currentHealth <= 0)
{
hbOne.Update(dinosaurOne.Health);
hbTwo.Update(dinosaurTwo.Health);
gameState = GameState.Death;
}
else if (dinosaurOne._currentHealth <= 0 || dinosaurTwo._currentHealth <= 0)
{
if (dinosaurOne._currentHealth <= 0)
{
hbOne.Update(0);
if (playerOneSprite.Position.Y < graphics.PreferredBackBufferHeight + 200)
{
if (!explodedOne)
{
explodedOne = true;
collisions.explosionSound.Play();
}
AnimatedSprite explode = new AnimatedSprite(12, 0, 0, 134, 134, this, collisions.explodeImage,
playerOneSprite.Position,
spriteBatch, new Enemies.EnemyType(Content, Enemies.EnemyType.Etype.Simple));
explode.Name = "Explode";
explosions.Add(explode);
Vector2 movement = Vector2.Zero;
movement += Vector2.UnitY * .05f;
playerOneSprite.Movement += movement;
playerOneSprite.Update(gameTime);
movement.X = 0f;
movement.Y = 0f;
playerOneSprite.Movement = movement;
playerOneSprite.Update(gameTime);
}
}
else if (dinosaurTwo._currentHealth <= 0)
{
hbTwo.Update(0);
if (playerTwoSprite.Position.Y < graphics.PreferredBackBufferHeight + 200)
{
if (!explodedTwo)
{
explodedTwo = true;
collisions.explosionSound.Play();
}
AnimatedSprite explode = new AnimatedSprite(12, 0, 0, 134, 134, this, collisions.explodeImage,
playerTwoSprite.Position,
spriteBatch, new Enemies.EnemyType(Content, Enemies.EnemyType.Etype.Simple));
explode.Name = "Explode";
explosions.Add(explode);
Vector2 movement = Vector2.Zero;
movement += Vector2.UnitY * .05f;
playerTwoSprite.Movement += movement;
playerTwoSprite.Update(gameTime);
movement.X = 0f;
movement.Y = 0f;
playerTwoSprite.Movement = movement;
playerTwoSprite.Update(gameTime);
}
}
}
}
}
else if (gameState == GameState.Death)
{
previousState = GameState.Death;
if (playerTwoSprite != null)
{
AnimatedSprite explode = new AnimatedSprite(12, 0, 0, 134, 134, this, collisions.explodeImage,
playerTwoSprite.Position,
spriteBatch, new Enemies.EnemyType(Content, Enemies.EnemyType.Etype.Simple));
explode.Name = "Explode";
if (!explodedOne)
{
collisions.explosionSound.Play();
explodedOne = true;
}
explosions.Add(explode);
AnimatedSprite explodeOne = new AnimatedSprite(12, 0, 0, 134, 134, this, collisions.explodeImage,
playerOneSprite.Position,
spriteBatch, new Enemies.EnemyType(Content, Enemies.EnemyType.Etype.Simple));
explode.Name = "Explode";
if (!explodedTwo)
{
collisions.explosionSound.Play();
explodedTwo = true;
}
explosions.Add(explodeOne);
}
else
{
AnimatedSprite explode = new AnimatedSprite(12, 0, 0, 134, 134, this, collisions.explodeImage,
playerOneSprite.Position,
spriteBatch, new Enemies.EnemyType(Content, Enemies.EnemyType.Etype.Simple));
explode.Name = "Explode";
if (!explodedOne)
{
collisions.explosionSound.Play();
explodedOne = true;
}
explosions.Add(explode);
}
AnimatedSprite removeMe = null;
foreach (AnimatedSprite ex in explosions)
{
ex.Update(gameTime);
if (ex.frames >= ex.frameTotal)
{
removeMe = ex;
}
}
explosions.Remove(removeMe);
if (fadeScreen.Opacity <= 180)
{
fadeScreen.Fade(gameTime, 1);
}
deathScreen.Update(gameTime);
enemyShots.Update(gameTime, graphics, playerOneSprite, playerTwoSprite);
playerShots.Update(gameTime, graphics);
foreach (Powerup powerUp in collisions.powerups)
{
if (powerUp != null)
{
powerUp.Update(gameTime);
}
}
collisions.Update(this, Content, spriteBatch, font, dinosaurOne, enemies, enemyShots, playerShots, currentLevel.randomObjects, currentLevel.healthBars, playerOneSprite, graphics, dinosaurTwo, playerTwoSprite);
if (deathScreen.TitleSelected)
{
if (fadeScreen.Opacity < 255)
{
fadeScreen.Fade(gameTime, 5);
MediaPlayer.Volume -= .06f;
}
else if (fadeScreen.Opacity >= 255)
{
UnloadContent();
LoadContent();
}
}
}
else if (gameState == GameState.EndOfLevel)
{
previousState = GameState.EndOfLevel;
enemyShots.list.Clear();
playerOneSprite.Update(gameTime);
if (playerTwoSprite != null)
{
playerTwoSprite.Update(gameTime);
}
currentLevel.Update(this, gameTime, spriteBatch, graphics, enemies);
//enemyShots.Update(gameTime, graphics, playerOneSprite, playerTwoSprite);
playerShots.Update(gameTime, graphics);
upgradeScreen.Update(gameTime);
foreach (Powerup powerUp in collisions.powerups)
{
if (powerUp != null)
{
powerUp.Update(gameTime);
}
}
AnimatedSprite removeMe = null;
foreach (AnimatedSprite ex in explosions)
{
ex.Update(gameTime);
if (ex.frames >= ex.frameTotal)
{
removeMe = ex;
}
}
explosions.Remove(removeMe);
collisions.Update(this, Content, spriteBatch, font, dinosaurOne, enemies, enemyShots, playerShots, currentLevel.randomObjects, currentLevel.healthBars, playerOneSprite, graphics, dinosaurTwo, playerTwoSprite);
if (upgradeScreen.IsComplete)
{
if (fadeScreen.Opacity <= 255)
{
if (fadeScreen.Opacity != 255)
{
fadeScreen.Fade(gameTime, 15);
}
else
{
if (playerTwoSprite == null)
{
playerOneSprite.Position = new Vector2(graphics.PreferredBackBufferWidth / 2, graphics.PreferredBackBufferHeight - 250);
dinosaurOne.Replenish();
}
else
{
playerOneSprite.Position = new Vector2(graphics.PreferredBackBufferWidth / 3, graphics.PreferredBackBufferHeight - 250);
playerTwoSprite.Position = new Vector2(graphics.PreferredBackBufferWidth - (graphics.PreferredBackBufferWidth / 3), graphics.PreferredBackBufferHeight - 250);
dinosaurOne.Replenish();
hbOne.Update(dinosaurOne.Health);
dinosaurTwo.Replenish();
hbTwo.Update(dinosaurTwo.Health);
}
if (currentLevel.levelSelected != Level.LevelSelected.Level5)
{
gameState = GameState.LoadingScreen;
}
}
}
}
}
else if (gameState == GameState.LoadingScreen)
{
previousState = GameState.LoadingScreen;
loadingScreen.Update(gameTime);
if (loadingScreen.IsDone)
{
if (fadeScreen.Opacity <= 255)
{
if (fadeScreen.Opacity != 255)
{
fadeScreen.Fade(gameTime, 5);
MediaPlayer.Volume -= .07f;
}
else
{
gameState = GameState.StartLevel;
CreateScreens();
GenerateLevel();
MediaPlayer.Volume = 1f;
}
}
}
else
{
if (fadeScreen.Opacity > 0)
{
fadeScreen.Fade(gameTime, -5);
}
}
}
else if (gameState == GameState.Pause)
{
pauseScreen.Update(gameTime);
MediaPlayer.Volume = .25f;
if (pauseScreen.QuitSelected)
{
this.Exit();
}
else if (pauseScreen.ResumeSelected)
{
pauseScreen.ResumeSelected = false;
gameState = previousState;
MediaPlayer.Volume = 1f;
}
else if (pauseScreen.TitleSelected)
{
if (fadeScreen.Opacity <= 255)
{
if (fadeScreen.Opacity != 255)
{
fadeScreen.Fade(gameTime, 15);
MediaPlayer.Volume -= .06f;
}
else
{
UnloadContent();
LoadContent();
}
}
}
}
else if (gameState == GameState.Credits)
{
previousState = GameState.Credits;
creditScreen.Update(gameTime);
if (creditScreen.TextDone && !creditScreen.BeginBackgroundCreditScroll)
{
if (fadeScreen.Opacity < 255)
{
fadeScreen.Fade(gameTime, 5);
}
else if (fadeScreen.Opacity == 255)
{
creditScreen.BeginBackgroundCreditScroll = true;
levelBeginning.LevelCount = 1;
GenerateLevel();
}
}
else if (creditScreen.BeginBackgroundCreditScroll)
{
if (fadeScreen.Opacity > 0)
{
fadeScreen.Fade(gameTime, -5);
}
currentLevel.background.Update(gameTime, 2);
currentLevel.border.Update(gameTime, 3);
}
else
{
if (fadeScreen.Opacity > 0)
{
fadeScreen.Fade(gameTime, -5);
}
}
}
// Allows the game to exit
// Gamepad option to exit
//if (GamePad.GetState(PlayerIndex.One).Buttons.Back == ButtonState.Pressed)
//{
// this.Exit();
//}
// allows keyboard exit on esc keypress
if (Keyboard.GetState().IsKeyDown(Keys.Escape) || GamePad.GetState(PlayerIndex.One, GamePadDeadZone.None).IsButtonDown(Buttons.Start))
{
gameState = GameState.Pause;
}
base.Update(gameTime);
}
/// <summary>
/// UnloadContent will be called once per game and is the place to unload
/// all content.
/// </summary>
protected override void UnloadContent()
{
gameState = GameState.TitleScreen;
previousState = gameState;
upgradeScreen = null;
startScreen = null;
characterScreen = null;
multiplayerLobby = null;
deathScreen = null;
levelBeginning = null;
pauseScreen = null;
loadingScreen = null;
levelCreator = null;
Random rand = new Random();
currentLevel = null;
enemies = null;
explosions = null;
shotBehavior = null;
enemyShots = null;
playerShots = null;
hbOne = null;
hbTwo = null;
bossLifeBar = null;
cbOne = null;
cbTwo = null;
backGroundMusic = null;
playerOneMeterTitle = null;
playerTwoMeterTitle = null;
meterLabel = null;
playerOneMarker = null;
playerTwoMarker = null;
dinosaurOne = null;
dinosaurTwo = null;
playerOneSprite = null;
playerTwoSprite = null;
collisions = null;
font = null;
playerOneCounter = 0;
playerTwoCounter = 0;
levelIncrement = 0;
singlePlayer = false;
explodedOne = false;
explodedTwo = false;
input = null;
padInput = null;
}