//
// Virtual Methods
//
/// <summary>
/// Go to the next unit (aka "frame") of the animation
/// </summary>
/// <remarks>
/// Only Null Object should override this method!
/// </remarks>
virtual protected void ProgressToNextUnit()
{
// Go to the next animation unit
AnimationUnit oldUnit = this.currentUnit;
this.currentUnit = this.currentUnit.next as AnimationUnit;
// Change the interval time if requested
this.intervalTime = this.requestedNewIntervalTime;
// If there are still animation units left
if (currentUnit != null)
{
// Reschedule
this.ScheduleTimedAnimation(this.intervalTime, this.isLooping);
}
// Else if there are no more units left
else
{
// Reschedule if this animation loops
if (this.isLooping)
{
this.currentUnit = this.activeList.Head as AnimationUnit;
this.ScheduleTimedAnimation(this.intervalTime, true);
}
else
{
// Set it back to the previous animation unit
this.currentUnit = null;
}
}
}
//
// Constructor
//
public Animation() : base()
{
this.currentUnit = null;
this.currentEvent = null;
this.intervalTime = 1.0f;
this.requestedNewIntervalTime = this.intervalTime;
this.isLooping = false;
}
/// <summary>
/// Detaches all animation units from the animator.
/// Also cancels the current animation from the Timer.
/// </summary>
virtual public void DetachEverything()
{
this.CancelTimedAnimation();
AnimationUnit itr = this.activeList.Head as AnimationUnit;
while (this.activeList.Head != null)
{
itr.Reset();
this.activeList.PopFront();
}
}
/// <summary>
/// Call this method after attaching animation units
/// </summary>
protected void PointToStartingAnimationUnit()
{
this.currentUnit = this.activeList.Head as AnimationUnit;
}
