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namespace BehaviorDesigner.Runtime.Tasks
{
[TaskDescription(@"The repeater task will repeat execution of its child task until the child task has been run a specified number of times. " +
"It has the option of continuing to execute the child task even if the child task returns a failure.")]
[HelpURL("http://www.opsive.com/assets/BehaviorDesigner/documentation.php?id=37")]
[TaskIcon("{SkinColor}RepeaterIcon.png")]
public class Repeater : Decorator
{
[Tooltip("The number of times to repeat the execution of its child task")]
public SharedInt count = 1;
[Tooltip("Allows the repeater to repeat forever")]
public SharedBool repeatForever;
[Tooltip("Should the task return if the child task returns a failure")]
public SharedBool endOnFailure;
// The number of times the child task has been run.
private int executionCount = 0;
// The status of the child after it has finished running.
private TaskStatus executionStatus = TaskStatus.Inactive;
public override bool CanExecute()
{
// Continue executing until we've reached the count or the child task returned failure and we should stop on a failure.
return (repeatForever.Value || executionCount < count.Value) && (!endOnFailure.Value || (endOnFailure.Value && executionStatus != TaskStatus.Failure));
}
public override void OnChildExecuted(TaskStatus childStatus)
{
// The child task has finished execution. Increase the execution count and update the execution status.
executionCount++;
executionStatus = childStatus;
}
public override void OnEnd()
{
// Reset the variables back to their starting values.
executionCount = 0;
executionStatus = TaskStatus.Inactive;
}
public override void OnReset()
{
// Reset the public properties back to their original values.
count = 0;
endOnFailure = true;
}
}
}
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