/// <summary>
/// Stops the running LerpChannel and terminates the Coroutine.
/// This will not execute the InterruptedCallback.
/// </summary>
public void HardKill()
{
running = false;
if (lerpCoroutine?.MoveNext() ?? false)
{
StopCoroutine(lerpCoroutine);
finishedCallback = null;
lerpAction = null;
continuousAction = null;
interruptedCallback = null;
}
}
public void Activate(
float duration,
ILerpAction <T> lerpAction = null,
IContinuousAction <T> continuousAction = null,
Action <T> finishedCallback = null,
Action <T> interruptedCallback = null)
{
if (running)
{
if (this.interruptedCallback != null)
{
//Handle existing interruptedCallbacks
if (recurrentInterruptIdentifier > 2)
{
Debug.LogError("Identified potentially recursive interrupt callbacks");
}
++recurrentInterruptIdentifier;
Action <T> tempInterruptedCallback = this.interruptedCallback;
this.interruptedCallback = interruptedCallback;
tempInterruptedCallback.Invoke(Target);
--recurrentInterruptIdentifier;
}
}
ElapsedTime = 0f;
this.duration = duration;
this.lerpAction = lerpAction;
this.continuousAction = continuousAction;
this.finishedCallback = finishedCallback;
this.interruptedCallback = interruptedCallback;
this.lerpAction?.Initialize(Target);
this.continuousAction?.Initialize(Target, Time.time);
if (!running)
{
StartCoroutine(lerpCoroutine = RunAction());
}
}
private IEnumerator RunAction()
{
running = true;
lerpAction?.CallAction(0f);
continuousAction?.CallAction(Time.time);
do
{
yield return(null);
ElapsedTime += Time.deltaTime;
//As per best-practices, we are not using null-conditional operators in
//every-frame loops
if (lerpAction != null)
{
lerpAction.CallAction(ElapsedTime / duration);
}
if (continuousAction != null)
{
continuousAction.CallAction(Time.time);
}
}while (ElapsedTime < duration && running);
running = false;
if (ElapsedTime < duration)
{
//If ElapsedTime < duration, that means we bailed out when running was set to false
//and thus didn't execute lerpAction.CallAction(1f)
if (interruptedCallback != null)
{
//Execute our interrupted callback
++recurrentInterruptIdentifier;
//Cache the value because executing it could could change or clear the state.
Action <T> tempInterruptedCallback = interruptedCallback;
finishedCallback = null;
interruptedCallback = null;
lerpAction = null;
continuousAction = null;
tempInterruptedCallback.Invoke(Target);
--recurrentInterruptIdentifier;
}
}
else if (finishedCallback != null)
{
//Copy the callback in case it triggers a new coroutine
Action <T> tempFinishedCallback = finishedCallback;
finishedCallback = null;
lerpAction = null;
continuousAction = null;
interruptedCallback = null;
tempFinishedCallback.Invoke(Target);
}
}