public override void Update(GameTime gameTime)
{
Randomizer.Update(gameTime);
switch (currentState)
{
case GameState.Starting:
HandleStart(gameTime);
break;
case GameState.Active:
HandleActive(gameTime);
break;
case GameState.Paused:
HandlePause(gameTime);
break;
case GameState.LevelCompleted:
HandleLevelComplete(gameTime);
break;
case GameState.GameOver:
HandleGameOver(gameTime);
break;
case GameState.GameComplete:
HandleGameComplete(gameTime);
break;
}
GameObjectCollection.ProcessPending();
}
private void SetScreenMessageFromState()
{
if (currentState != GameState.Active)
{
var message = GameObjectCollection.Collection.FirstOrDefault(x => x is InfoMessage infoMessage &&
infoMessage.MessageId == stateMessageMap[currentState]);
if (message != null)
{
message.IsActive = true;
}
}
else
{
GameObjectCollection.GetActive <InfoMessage>().ForEach(x => x.IsActive = false);
}
}
//Set up the objects
public override void Initialize()
{
var ball = GameObjectInitializer.GetBall();
ball.OnGameEnd += CurrentGame_OnGameEnd;
var slider = GameObjectInitializer.GetSlider();
var bricks = GameObjectInitializer.GetBricks();
bricks.ForEach(x => x.OnGameEnd += CurrentGame_OnGameEnd);
var messages = GameObjectInitializer.GetMessageCollection();
var toAdd = new List <GameObject>()
{
ball, slider
};
toAdd.AddRange(bricks);
toAdd.AddRange(messages);
GameObjectCollection.Initialize(toAdd);
}
private void HandleActive(GameTime gameTime)
{
if (CheckForPause())
{
return;
}
//process all the collisions first so we don't have to worry about the order things are processed in.
//this can probably get changed to a better way now that all objects handle their own collision logic.
GameObjectCollection.CheckCollisions(gameTime);
GameObjectCollection.UpdateCollection(gameTime);
//todo replace this magic number with a const. Does a limit of 50 even make sense?
//run some tests to find out if the size of this collection could ever become a problem.
if (GameObjectCollection.CountInactive <InteractiveGameObject>() > 50)
{
GameObjectCollection.DestroyInactive();
}
//If the user hasn't seen a power up in a while, give them one for free.
if (gameTime.TotalElapsedTime - timeSinceLastRandomPowerUp > waitTimeForRandomPowerUp)
{
if (GameObjectCollection.ActivePowerUps.Any())
{
timeSinceLastRandomPowerUp = gameTime.TotalElapsedTime;
}
else
{
var xMin = CurrentSettings.WindowWidth / 4;
var xMax = CurrentSettings.WindowWidth - CurrentSettings.WindowWidth / 4;
var y = CurrentSettings.WindowHeight / 3;
var power = GameObjectInitializer.GetRandomPowerUp(Randomizer.RandomNumber(xMin, xMax), y);
GameObjectCollection.Inject(power);
timeSinceLastRandomPowerUp = gameTime.TotalElapsedTime;
}
}
}
public override void Draw(GameTime gameTime)
{
GameObjectCollection.DrawCollection(gameTime);
}