26 lines
908 B
GDScript
26 lines
908 B
GDScript
@tool
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@icon("atomic_state.svg")
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## This is a state that has no sub-states.
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class_name AtomicState
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extends StateChartState
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func _handle_transition(transition:Transition, source:StateChartState) -> void:
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# resolve the target state
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var target := transition.resolve_target()
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if target == null:
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push_error("The target state '" + str(transition.to) + "' of the transition from '" + source.name + "' is not a state.")
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return
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# atomic states cannot transition, so we need to ask the parent
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# ask the parent
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get_parent()._handle_transition(transition, source)
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func _get_configuration_warnings() -> PackedStringArray:
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var warnings := super._get_configuration_warnings()
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# check if we have any child nodes which are not transitions
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for child in get_children():
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if child is StateChartState:
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warnings.append("Atomic states cannot have child states. These will be ignored.")
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break
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return warnings
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