You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
70 lines
2.1 KiB
GDScript
70 lines
2.1 KiB
GDScript
## Selector nodes will attempt to execute each of its children until one of
|
|
## them return `SUCCESS`. If all children return `FAILURE`, this node will also
|
|
## return `FAILURE`.
|
|
## If a child returns `RUNNING` it will tick again.
|
|
@tool
|
|
@icon("../../icons/selector.svg")
|
|
class_name SelectorComposite extends Composite
|
|
|
|
|
|
var last_execution_index: int = 0
|
|
|
|
|
|
func tick(actor: Node, blackboard: Blackboard) -> int:
|
|
for c in get_children():
|
|
if c.get_index() < last_execution_index:
|
|
continue
|
|
|
|
if c != running_child:
|
|
c.before_run(actor, blackboard)
|
|
|
|
var response = c.tick(actor, blackboard)
|
|
if can_send_message(blackboard):
|
|
BeehaveDebuggerMessages.process_tick(c.get_instance_id(), response)
|
|
|
|
if c is ConditionLeaf:
|
|
blackboard.set_value("last_condition", c, str(actor.get_instance_id()))
|
|
blackboard.set_value("last_condition_status", response, str(actor.get_instance_id()))
|
|
|
|
match response:
|
|
SUCCESS:
|
|
_cleanup_running_task(c, actor, blackboard)
|
|
c.after_run(actor, blackboard)
|
|
return SUCCESS
|
|
FAILURE:
|
|
_cleanup_running_task(c, actor, blackboard)
|
|
last_execution_index += 1
|
|
c.after_run(actor, blackboard)
|
|
RUNNING:
|
|
running_child = c
|
|
if c is ActionLeaf:
|
|
blackboard.set_value("running_action", c, str(actor.get_instance_id()))
|
|
return RUNNING
|
|
|
|
return FAILURE
|
|
|
|
|
|
func after_run(actor: Node, blackboard: Blackboard) -> void:
|
|
last_execution_index = 0
|
|
super(actor, blackboard)
|
|
|
|
|
|
func interrupt(actor: Node, blackboard: Blackboard) -> void:
|
|
last_execution_index = 0
|
|
super(actor, blackboard)
|
|
|
|
|
|
## Changes `running_action` and `running_child` after the node finishes executing.
|
|
func _cleanup_running_task(finished_action: Node, actor: Node, blackboard: Blackboard):
|
|
var blackboard_name = str(actor.get_instance_id())
|
|
if finished_action == running_child:
|
|
running_child = null
|
|
if finished_action == blackboard.get_value("running_action", null, blackboard_name):
|
|
blackboard.set_value("running_action", null, blackboard_name)
|
|
|
|
|
|
func get_class_name() -> Array[StringName]:
|
|
var classes := super()
|
|
classes.push_back(&"SelectorComposite")
|
|
return classes
|