Add autodetect_possibilities option to Sampler

behaviours/sampler.gd

@@ -9,9 +9,17 @@ class_name Sampler
 ## [Array] of [Node]s that can be [func sample]d by this [Sampler].
 @export var possibilities: Array[Node] = []
 
+## If true, the [Sampler] will attempt to automatically detect the [field possibilities] on NOTIFICATION_READY.
+@export var autodetect_possibilities_on_ready: bool = true
+
+
 var selected: Node = null;
 
 
+## Update [field possibilities] with the most likely subset of nodes.
+func autodetect_possibilities():
+	possibilities = get_children()
+
 ## Get a reference.
 func sample() -> Node:
 	Log.e(self, "Not implemented.")
@@ -36,4 +44,9 @@ func get_ref(node: Node) -> Node:
 ##
 ## Useful as it may be overridden by some other [Sampler]s, such as [SamplerPriority].
 func get_all_refs() -> Array[Node]:
-	return possibilities
+	return possibilities
+
+
+func _ready() -> void:
+	if autodetect_possibilities_on_ready:
+		autodetect_possibilities()

behaviours/sampler_priority.gd

@@ -9,6 +9,11 @@ func _ready():
 	for possibility in possibilities:
 		possibility.link(self)
 
+
+## Update [field possibilities] with the most likely subset of nodes.
+func autodetect_possibilities():
+	possibilities = find_children("*", "Priority", true, false)
+
 ## Get a reference.
 func sample() -> Priority:
 	if len(possibilities) == 0:
@@ -44,4 +49,4 @@ func get_all_refs() -> Array[Node]:
 	return refs
 
 func get_ref(node: Node) -> Node:
-	return node.get_ref()
+	return node.get_ref()