//Run this on awake, enable, or start
public void DefineBehavior()
{
//Conditions
ConditionalLambda canSeeTarget = new ConditionalLambda(() => Vector3.Distance(transform.position, Target.transform.position) <= SightDistance);
ConditionalLambda tooCloseToTarget = new ConditionalLambda(() => Vector3.Distance(transform.position, Target.transform.position) <= FollowDistance);
//Actions
BAction followTarget = new BAction(FollowTarget);
BAction getPatrolPoint = new BAction(GetRandomPatrolPoint);
BAction goToPatrolPoint = new BAction(GoToPatrolPoint);
BAction circleTarget = new BAction(CircleTarget);
SequenceContinued checkIfShouldCircle = new SequenceContinued(tooCloseToTarget, circleTarget);
//If too circle target, if not follow Target
SelectorContinued following = new SelectorContinued(checkIfShouldCircle, followTarget);
SequenceContinued checkIfCanFollow = new SequenceContinued(canSeeTarget, following);
SequenceContinued patrol = new SequenceContinued(getPatrolPoint, goToPatrolPoint);
SelectorContinued lookForTarget = new SelectorContinued(checkIfCanFollow, patrol);
//NOTE: RootSelector allows for StateMachine type usage in behavior tree
//setup root node, choose initialization phase or pathing/movement phase
SelectorBranch root = new SelectorBranch(switchBehaviors, lookForTarget);
//set a reference to the root
behavior = ScriptableObject.CreateInstance <BehaviorTree>();
behavior.Init(root);
CanBehave = true;
}
private void DrawNodeSelected(int id)
{
BehaviorComponent component = BehaviorNode.Selection.BehaviorComponent;
GUILayout.BeginVertical();
GUIStyle style = new GUIStyle();
style.fontStyle = FontStyle.Bold;
GUILayout.Label("Behavior Type: " + component.GetType().Name, style);
if (component.GetType() == typeof(ConditionalLambda))
{
ConditionalLambda conditional = ((ConditionalLambda)component);
if (conditional.TestAction != null)
{
conditional.ExpressionObjects.Clear();
conditional.TestAction.Invoke(conditional);
GUILayout.Label("Conditional Description: " + conditional.ConditionalDescription);
if (conditional.ExpressionObjects != null)
{
for (int i = 0; i < conditional.ExpressionObjects.Count; i++)
{
GUILayout.Label("Conditional Object Type: " + conditional.ExpressionObjects[i].GetType().Name);
GUILayout.Label("Conditional Object Value: " + conditional.ExpressionObjects[i]);
}
}
GUILayout.Label("Conditional Result: " + conditional.Result);
}
else
{
GUILayout.Label("Conditional Result: " + conditional.Result);
GUILayout.Label("Conditional Body: " + conditional.Expression);
GUILayout.Label("Conditional Not Using Action Constructor for Debugging");
}
}
else
{
foreach (FieldInfo field in fields)
{
string name = field.Name;
object value = field.GetValue(component);
if (value != null && field.Name != "Node" && field.Name != "NotifyOnExecute" && field.Name != "AddToHistory" && field.Name != "Action")
{
GUILayout.Label("Field: " + name);
GUILayout.Label("Value: " + value);
}
}
}
component.NotifyOnExecute = GUILayout.Toggle(component.NotifyOnExecute, "Notify On Execute");
GUILayout.EndVertical();
}
