Behavior Tree addon

addons/beehave/nodes/composites/selector_star.gd

@@ -0,0 +1,33 @@
+# Special implementation of a selector that will
+# "wait" for running nodes and will not re-attempt
+# to execute previous nodes until that node is either
+# FAILED or SUCCEEDED
+extends Composite
+
+class_name SelectorStarComposite, "../../icons/selector_star.svg"
+
+
+var last_execution_index = 0
+
+func tick(actor, blackboard):
+	for c in get_children():
+		if c.get_index() < last_execution_index:
+			continue
+
+		var response = c.tick(actor, blackboard)
+
+		if c is ConditionLeaf:
+			blackboard.set("last_condition", c)
+			blackboard.set("last_condition_status", response)
+
+		if response != FAILURE:
+			if c is ActionLeaf and response == RUNNING:
+				blackboard.set("running_action", c)
+			if response == SUCCESS:
+				last_execution_index = 0
+			return response
+		else:
+			last_execution_index += 1
+
+	last_execution_index = 0
+	return FAILURE