/// <summary>
/// Returns and activates a reusable collectable
/// </summary>
/// <returns></returns>
public CollectableStep NextCollectable()
{
ObstacleStep step = _collectablePool.Dequeue();
step.Activate();
return((CollectableStep)step);
}
/// <summary>
/// Prepare a collectable to be activated
/// </summary>
/// <param name="collectable"></param>
private void ResetCollectable(ObstacleStep collectable)
{
collectable.transform.localPosition = Vector3.zero;
collectable.gameObject.SetActive(false);
collectable.Init();
_collectablePool.Enqueue(collectable);
}
/// <summary>
/// Prepare an obstacle to be activated
/// </summary>
/// <param name="obstacle"></param>
private void ResetObstacle(ObstacleStep obstacle)
{
// step should be the same as the obstacle param
ObstaclePoolID FullStep = _pool.Dequeue();
FullStep.Step.transform.localPosition = Vector3.zero;
FullStep.Step.gameObject.SetActive(false);
FullStep.Step.Init();
_typedPool[FullStep.PoolId].Enqueue(FullStep);
}
/// <summary>
/// Instanciate a configurable amount of obstacles per obstacle type
/// to be reused, also intantiate several collectables that are reused too
/// </summary>
public void FillPool()
{
int poolIndex = 0;
foreach (var pattern in _config.ObstaclesPatterns)
{
_typedPool.Add(new Queue <ObstaclePoolID>());
while (_typedPool[poolIndex].Count < _config.MaxPoolSize)
{
// Obstacles per type
ObstacleStep step = GameObject.Instantiate(_config.ObstaclesPatterns[poolIndex], _obstaclesParent, false);
step.gameObject.SetActive(false);
step.Init();
// Adding callback for when the obstacles disappear
step.OnDestroyEvent += ResetObstacle;
_typedPool[poolIndex].Enqueue(new ObstaclePoolID()
{
PoolId = poolIndex,
Step = step
});
}
poolIndex++;
}
// We don't need more than 4 instances of collectables
while (_collectablePool.Count < 4)
{
int patternIndex = Random.Range(0, _config.CollectablesPatterns.Count);
ObstacleStep step = GameObject.Instantiate(_config.CollectablesPatterns[patternIndex], _obstaclesParent, false);
step.gameObject.SetActive(false);
step.Init();
// Adding callback for when the collectable was not collected by the player
step.OnDestroyEvent += ResetCollectable;
_collectablePool.Enqueue(step);
}
}
