Fix ParallelStates not reacting to global triggers

Tests/TestParallelStates.cs

@@ -287,5 +287,28 @@ public void Test_ps_child_state_can_use_different_type_for_id()
  fsm.Init();
  fsm.OnLogic();
  }
+
+ [Test]
+ public void Test_ps_reacts_to_global_trigger()
+ {
+ var a = new StateMachine();
+ a.AddState("A");
+ a.AddState("B");
+ a.AddTriggerTransition("T", "A", "B");
+
+ var b = new StateMachine();
+ b.AddState("C");
+ b.AddState("D");
+ b.AddTriggerTransition("T", "C", "D");
+
+ fsm.AddState("root", new ParallelStates(a, b));
+ fsm.Init();
+
+ fsm.Trigger("T");
+ Assert.AreEqual("B", a.ActiveStateName);
+ Assert.AreEqual("D", b.ActiveStateName);
+
+
+ }
  }
 }

src/States/ParallelStates.cs

@@ -14,7 +14,7 @@ namespace UnityHFSM
  /// This will ignore the needsExitTime and StateCanExit() calls of the child states. It works the same as the
  /// canExit feature of the State class.
  /// </remarks>
- public class ParallelStates<TOwnId, TStateId, TEvent> : StateBase<TOwnId>, IActionable<TEvent>, IStateMachine
+ public class ParallelStates<TOwnId, TStateId, TEvent> : StateBase<TOwnId>, IActionable<TEvent>, IStateMachine, ITriggerable<TEvent>
  {
  private List<StateBase<TStateId>> states = new List<StateBase<TStateId>>();
 
@@ -185,6 +185,14 @@ public void StateCanExit()
  fsm.StateCanExit();
  }
  }
+
+ public void Trigger(TEvent trigger)
+ {
+ foreach (var state in states)
+ {
+ (state as ITriggerable<TEvent>)?.Trigger(trigger);
+ }
+ }
 
  public override string GetActiveHierarchyPath()
  {