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authorchai <chaifix@163.com>2022-03-10 14:07:40 +0800
committerchai <chaifix@163.com>2022-03-10 14:07:40 +0800
commit22891bf59032ba88262824255a706d652031384b (patch)
tree7595439ba9966c9402d37e37cee5e8cf098757d5 /Assets/ThirdParty/Behavior Designer/Runtime/Composites/SelectorEvaluator.cs
parent8b04ea73e540067f83870b61d89db4868fea5e8a (diff)
* move folder
Diffstat (limited to 'Assets/ThirdParty/Behavior Designer/Runtime/Composites/SelectorEvaluator.cs')
-rw-r--r--Assets/ThirdParty/Behavior Designer/Runtime/Composites/SelectorEvaluator.cs118
1 files changed, 0 insertions, 118 deletions
diff --git a/Assets/ThirdParty/Behavior Designer/Runtime/Composites/SelectorEvaluator.cs b/Assets/ThirdParty/Behavior Designer/Runtime/Composites/SelectorEvaluator.cs
deleted file mode 100644
index 25505d63..00000000
--- a/Assets/ThirdParty/Behavior Designer/Runtime/Composites/SelectorEvaluator.cs
+++ /dev/null
@@ -1,118 +0,0 @@
-namespace BehaviorDesigner.Runtime.Tasks
-{
- [TaskDescription("The selector evaluator is a selector task which reevaluates its children every tick. It will run the lowest priority child which returns a task status of running. " +
- "This is done each tick. If a higher priority child is running and the next frame a lower priority child wants to run it will interrupt the higher priority child. " +
- "The selector evaluator will return success as soon as the first child returns success otherwise it will keep trying higher priority children. This task mimics " +
- "the conditional abort functionality except the child tasks don't always have to be conditional tasks.")]
- [HelpURL("http://www.opsive.com/assets/BehaviorDesigner/documentation.php?id=109")]
- [TaskIcon("{SkinColor}SelectorEvaluatorIcon.png")]
- public class SelectorEvaluator : Composite
- {
- // The index of the child that is currently running or is about to run.
- private int currentChildIndex = 0;
- // The task status of the last child ran.
- private TaskStatus executionStatus = TaskStatus.Inactive;
- // The index of the child that was running before the tree started to be reevaluated.
- private int storedCurrentChildIndex = -1;
- // The task status of the last child ran before the tree started to be reevaluated.
- private TaskStatus storedExecutionStatus = TaskStatus.Inactive;
-
- public override int CurrentChildIndex()
- {
- return currentChildIndex;
- }
-
- public override void OnChildStarted(int childIndex)
- {
- // The children run sequentially so increment the index and set the status to running.
- currentChildIndex++;
- executionStatus = TaskStatus.Running;
- }
-
- public override bool CanExecute()
- {
- // We can continue to execuate as long as we have children that haven't been executed and no child has returned success.
- if (executionStatus == TaskStatus.Success || executionStatus == TaskStatus.Running) {
- return false;
- }
-
- // Used the storedCurrentChildIndex if reevaluating, otherwise the currentChildIndex
- if (storedCurrentChildIndex != -1) {
- return currentChildIndex < storedCurrentChildIndex - 1;
- }
- return currentChildIndex < children.Count;
- }
-
- public override void OnChildExecuted(int childIndex, TaskStatus childStatus)
- {
- // The child status will be inactive immediately following an abort from OnReevaluationEnded. The status will be running if the
- // child task is interrupted. Ignore the status for both of these.
- if (childStatus != TaskStatus.Inactive && childStatus != TaskStatus.Running) {
- executionStatus = childStatus;
- }
- }
-
- public override void OnConditionalAbort(int childIndex)
- {
- // Set the current child index to the index that caused the abort
- currentChildIndex = childIndex;
- executionStatus = TaskStatus.Inactive;
- }
-
- public override void OnEnd()
- {
- // All of the children have run. Reset the variables back to their starting values.
- executionStatus = TaskStatus.Inactive;
- currentChildIndex = 0;
- }
-
- public override TaskStatus OverrideStatus(TaskStatus status)
- {
- return executionStatus;
- }
-
- // The selector evaluator task is a parallel task to allow the previous child to continue to run while the higher priority task is active. If the
- // lower priority child can run then OnReevaluationEnded will interrupt the higher priority task.
- public override bool CanRunParallelChildren()
- {
- return true;
- }
-
- // Can reevaluate to allow the lower priority children the chance to rerun.
- public override bool CanReevaluate()
- {
- return true;
- }
-
- // The behavior tree wants to start reevaluating the tree.
- public override bool OnReevaluationStarted()
- {
- // Cannot reevaluate if the task hasn't even started yet
- if (executionStatus == TaskStatus.Inactive) {
- return false;
- }
-
- // Store the current index and execution status because it may need to be resumed.
- storedCurrentChildIndex = currentChildIndex;
- storedExecutionStatus = executionStatus;
- currentChildIndex = 0;
- executionStatus = TaskStatus.Inactive;
- return true;
- }
-
- // Reevaluation has ended. Determine if a task should be interrupted or resumed from the last index.
- public override void OnReevaluationEnded(TaskStatus status)
- {
- // Interrupt the currently running index if a lower priority child returns a status of running or success.
- if (executionStatus != TaskStatus.Failure && executionStatus != TaskStatus.Inactive) {
- BehaviorManager.instance.Interrupt(Owner, children[storedCurrentChildIndex - 1], this);
- } else {
- // The lower priority children returned the same status so resume with the current child
- currentChildIndex = storedCurrentChildIndex;
- executionStatus = storedExecutionStatus;
- }
- storedCurrentChildIndex = -1;
- storedExecutionStatus = TaskStatus.Inactive;
- }
- }
-} \ No newline at end of file