capri/addons/godot_state_charts/state_is_active_guard.gd
2025-03-01 17:50:05 -05:00

22 lines
848 B
GDScript

@tool
@icon("state_is_active_guard.svg")
## A guard that checks if a certain state is active.
class_name StateIsActiveGuard
extends Guard
const DebugUtil = preload("debug_util.gd")
## The state to be checked. When null this guard will return false.
@export_node_path("StateChartState") var state: NodePath
func is_satisfied(context_transition:Transition, context_state:StateChartState) -> bool:
## resolve the state, relative to the transition
var actual_state := context_transition.get_node_or_null(state)
if actual_state == null:
push_warning("State ", state , " referenced in StateIsActiveGuard below ", DebugUtil.path_of(context_state), " could not be resolved. Verify that the node path is correct.")
return false
return actual_state.active
func get_supported_trigger_types() -> int:
return StateChart.TriggerType.STATE_CHANGE