/// <summary>
/// Allows the game to perform any initialization it needs to before starting to run.
/// This is where it can query for any required services and load any non-graphic
/// related content. Calling base.Initialize will enumerate through any components
/// and initialize them as well.
/// </summary>
protected override void Initialize()
{
// TODO: Add your initialization logic here
gameState = GameState.Menu; // starting game state
powerTrigger = SpecialPowerTrigger.off; // initial state of specialPower
RNG = new Random();
levelDisplayer = 1; // starting level
timer = 10; // starting timer
widthOfScreen = GraphicsDevice.Viewport.Width; // stores the width of screen
heightOfScreen = GraphicsDevice.Viewport.Height; // stores the height of screen
counter = 0; // to check number of collectables collected
collectables = new List <Collectible>(); // initializing the list of collectables
player = Content.Load <Texture2D>("player"); // loads player's content
collectable = Content.Load <Texture2D>("coke"); // loads collectable texture
playerObject = new Player(player, new Rectangle(GraphicsDevice.Viewport.Width / 2, // creates the player
GraphicsDevice.Viewport.Height / 2, 50, 100));
for (int i = 0; i < 10; i++)
{
collectables.Add(new Collectible(collectable, new Rectangle(RNG.Next(1, 786), RNG.Next(1, 426), 30, 70))); // adding initial collectables
}
base.Initialize();
}
/// <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 (GamePad.GetState(PlayerIndex.One).Buttons.Back == ButtonState.Pressed || Keyboard.GetState().IsKeyDown(Keys.Escape))
{
gameState = GameState.Menu; // gets the menu
}
// TODO: Add your update logic here
previousKbState = kbState; // stores the previous state after a frame
kbState = Keyboard.GetState(); // stores tbhe state in the current frame
switch (gameState)
{
case GameState.Menu:
if (SingleKeyPress(Keys.Enter)) // single press used to start the game
{
this.ResetGame(); // reset method to set things from the initial value
gameState = GameState.Game; // changing the state to game as Enter was pressed
}
break;
case GameState.Game: // finite state is Game
//kbState = Keyboard.GetState();
timer -= gameTime.ElapsedGameTime.TotalSeconds; // decrease time for 1 sec when 1 sec is actually passed
this.ScreenWrap(playerObject); // wraps the player
switch (powerTrigger)
{
case SpecialPowerTrigger.on:
if (kbState.IsKeyDown(Keys.Right))
{
playerObject.PositionX += 3;
} // handles the movement of the player in special power mode
if (kbState.IsKeyDown(Keys.Left)) // handles the movement of the player in special power mode
{ // handles the movement of the player in special power mode
playerObject.PositionX -= 3; // handles the movement of the player in special power mode
} // handles the movement of the player in special power mode
if (kbState.IsKeyDown(Keys.Up))
{
playerObject.PositionY -= 3;
}
if (kbState.IsKeyDown(Keys.Down))
{
playerObject.PositionY += 3;
}
for (int i = 0; i < collectables.Count; i++)
{
if (collectables[i].CheckCollision(playerObject)) // checks Collision and increase things collected
{ // checks Collision and increase things collected
counter++; // increase the number of items collected to keep track
playerObject.LevelScore += 100; // increase the level score
if (specialPowerMeter <= 15 && specialPowerMeter > 0)
{
specialPowerMeter -= 3; // decreases special power by 3 for every bottle collected
}
else
{
powerTrigger = SpecialPowerTrigger.off; // trigger off the special power when special power meter is 0 or <0
}
}
}
break;
case SpecialPowerTrigger.off:
if (specialPowerMeter == 15 && SingleKeyPress(Keys.X)) // if special power meter is 15 and press X trigger special power
{
powerTrigger = SpecialPowerTrigger.on; // triggering special power
break;
}
else
{
if (kbState.IsKeyDown(Keys.Right))
{
playerObject.PositionX += 2;
} // handles the movement of the player without special power
if (kbState.IsKeyDown(Keys.Left)) // handles the movement of the player without special power
{ // handles the movement of the player without special power
playerObject.PositionX -= 2; // handles the movement of the player without special power
} // handles the movement of the player without special power
if (kbState.IsKeyDown(Keys.Up))
{
playerObject.PositionY -= 2;
}
if (kbState.IsKeyDown(Keys.Down))
{
playerObject.PositionY += 2;
}
for (int i = 0; i < collectables.Count; i++)
{
if (collectables[i].CheckCollision(playerObject)) // checks Collision and increase things collected
{ // checks Collision and increase things collected
counter++; // increase the number of items collected to keep track
playerObject.LevelScore += 100; // increase the level score
if (specialPowerMeter < 15)
{
specialPowerMeter++; // increases special power for every bottle collected
}
}
}
break;
}
}
if (counter < collectables.Count && timer < 0) // time runs out and not enough bottle collected
{
gameState = GameState.GameOver; // leads to game over
}
if (timer < 0) // timer runs out alone
{
gameState = GameState.GameOver; // leads to game over
}
if (counter == collectables.Count) // all collectables collected leads to increase a level
{
this.NextLevel(); // method for next level
}
break;
case GameState.GameOver: // game state is GameOver
if (SingleKeyPress(Keys.Enter))
{
gameState = GameState.Menu; // press enter to get main menu
}
break;
}
base.Update(gameTime);
}
