heliostat/addons/beehave/nodes/leaves/blackboard_erase.gd

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GDScript3
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2024-07-29 05:10:46 +00:00
@tool
class_name BlackboardEraseAction extends ActionLeaf
## Erases the specified key from the blackboard.
## Returns [code]FAILURE[/code] if expression execution fails, otherwise [code]SUCCESS[/code].
## Expression representing a blackboard key.
@export_placeholder(EXPRESSION_PLACEHOLDER) var key: String = ""
@onready var _key_expression: Expression = _parse_expression(key)
func tick(actor: Node, blackboard: Blackboard) -> int:
var key_value: Variant = _key_expression.execute([], blackboard)
if _key_expression.has_execute_failed():
return FAILURE
blackboard.erase_value(key_value)
return SUCCESS
func _get_expression_sources() -> Array[String]:
return [key]