add beehave

addons/beehave/nodes/composites/composite.gd

@@ -0,0 +1,34 @@
+@tool
+@icon("../../icons/category_composite.svg")
+class_name Composite extends BeehaveNode
+
+## A Composite node controls the flow of execution of its children in a specific manner.
+
+var running_child: BeehaveNode = null
+
+
+func _get_configuration_warnings() -> PackedStringArray:
+	var warnings: PackedStringArray = super._get_configuration_warnings()
+
+	if get_children().filter(func(x): return x is BeehaveNode).size() < 2:
+		warnings.append(
+			"Any composite node should have at least two children. Otherwise it is not useful."
+		)
+
+	return warnings
+
+
+func interrupt(actor: Node, blackboard: Blackboard) -> void:
+	if running_child != null:
+		running_child.interrupt(actor, blackboard)
+		running_child = null
+
+
+func after_run(actor: Node, blackboard: Blackboard) -> void:
+	running_child = null
+
+
+func get_class_name() -> Array[StringName]:
+	var classes := super()
+	classes.push_back(&"Composite")
+	return classes