C# FiniteStateMachine类代码示例

    void Awake()
    {
        mainFSM = new FiniteStateMachine<State>();
        mainFSM.AddTransition(State.Initialize, State.SetupNewGame, null, InitializeNewGame, OnSettingUpNewGame);
        mainFSM.AddTransition(State.SetupNewGame, State.Game, null, () => StartCoroutine(InitializeGameLogicStuff()), null);
        mainFSM.AddTransition(State.Game, State.GameOver, OnGameIsOver);
        mainFSM.AddTransition(State.GameOver, State.Restart, null);
        mainFSM.AddTransition(State.Restart, State.SetupNewGame, null, InitializeNewGame, null);
        mainFSM.AddTransition(State.Restart, State.Quit, null);
        mainFSM.StateChanged += (object s, EventArgs e) => {
            Debug.Log("state: " + mainFSM.CurrentState.ToString() + " | game state: " + gameFSM.CurrentState.ToString());
        };

        gameFSM = new FiniteStateMachine<GameState>();
        gameFSM.AddTransition(GameState.Idle, GameState.InGameMenu, OnInGameMenuOpened);
        gameFSM.AddTransition(GameState.InGameMenu, GameState.Idle, OnInGameMenuClosed);
        gameFSM.StateChanged += (object s, EventArgs e) => {
            Debug.Log("state: " + mainFSM.CurrentState.ToString() + " | game state: " + gameFSM.CurrentState.ToString());
        };

        GameIsOver += (object s, EventArgs e) => { Debug.Log("oh no!"); };
        InGameMenuOpened += (object s, EventArgs e) => { Time.timeScale = 0f; Debug.Log("PAUSED"); };
        InGameMenuClosed += (object s, EventArgs e) => { Time.timeScale = 1f; Debug.Log("UNPAUSED"); };

        igm = GetComponent<InGameMenu>();
        mainFSM.ChangeState(State.SetupNewGame);
    }

 public void Input_handles_value_types()
 {
     var machine = new FiniteStateMachine<string, int>();
     machine.CurrentState = "Start";
     machine.Transitions.Add( new StateTransition<string, int>{InputValidator = i => i.Equals(0), FromState = "Start", ToState = "End"} );
     machine.Input(0);
 }

 public CooldownBehaviour(GameObject gameObject, FiniteStateMachine fsm, string variableName, float cooldown)
     : base(gameObject)
 {
     this.fsm = fsm;
       this.variableName = variableName;
       this.cooldown = cooldown;
 }

        public static FiniteStateMachine GenerateStateMachine(string id, int states, double transitionsPerState, double endStateProbability)
        {
            var fsm = new FiniteStateMachine();
            var rand = new Random();
            fsm.Id = id;

            for (int i = 0; i < states; i++)
            {
                var state = new State();
                state.Name = "q" + i.ToString();
                state.IsEndState = rand.NextDouble() < endStateProbability;
                fsm.States.Add(state);
            }

            var transitions = (int)Math.Floor(states * transitionsPerState + 0.5);
            for (int i = 0; i < transitions; i++)
            {
                State start;
                State end;
                string input;
                do
                {
                    start = fsm.States[rand.Next(fsm.States.Count)];
                    end = fsm.States[rand.Next(fsm.States.Count)];
                    input = __inputs[rand.Next(__inputs.Length)];
                } while (start.Transitions.Any(t => t.Input == input));
                var transition = new Transition();
                transition.StartState = start;
                transition.EndState = end;
                transition.Input = input;
                fsm.Transitions.Add(transition);
            }

            return fsm;
        }

 public Generator()
 {
     mFSM = new FiniteStateMachine(Signals[0], () => Random());
     mFSM.addState(Signals[1], () => Sine());
     mFSM.addState(Signals[2], () => Square());
     mFSM.addState(Signals[3], () => Sawtooth());
 }

 public RangeState(FiniteStateMachine fsm)
     : base(fsm)
 {
     _attack = fsm.GetComponent<KRAttack>();
     _krtransform = fsm.GetComponent<KRTransform>();
     _krmovement = fsm.GetComponent<KRMovement>();
 }

 public Valve()
 {
     mFSM = new FiniteStateMachine("Stoped", () => ValveStoped());
     mFSM.addState("Opens", () => ValveOpens());
     mFSM.addState("Closes", () => ValveCloses());
     mFSM.addState("Esd", () => ValveEsd());
 }

 /// <summary>
 /// Tests if the given turn is significant.
 /// </summary>
 /// <param name="test"></param>
 /// <param name="machine"></param>
 /// <returns></returns>
 private static bool TestNonSignificantTurnNonPoi(FiniteStateMachine<MicroPlannerMessage> machine, object test)
 {
     if (!PoiWithTurnMachine.TestPoi(machine, test))
     {
         if (test is MicroPlannerMessagePoint)
         {
             MicroPlannerMessagePoint point = (test as MicroPlannerMessagePoint);
             if (point.Point.Angle != null)
             {
                 if (point.Point.ArcsNotTaken == null || point.Point.ArcsNotTaken.Count == 0)
                 {
                     return true;
                 }
                 switch (point.Point.Angle.Direction)
                 {
                     case OsmSharp.Math.Geo.Meta.RelativeDirectionEnum.StraightOn:
                     case RelativeDirectionEnum.SlightlyLeft:
                     case RelativeDirectionEnum.SlightlyRight:
                         return true;
                 }
             }
         }
         return false;
     }
     return false;
 }

 /// <summary>
 /// Tests if the given turn is significant.
 /// </summary>
 /// <param name="machine"></param>
 /// <param name="test"></param>
 /// <returns></returns>
 private static bool TestNonSignificantTurn(FiniteStateMachine<MicroPlannerMessage> machine, object test)
 {
     if (!TurnMachine.TestSignificantTurn(machine, test))
     { // it is no signficant turn.
         return true;
     }
     return false;
 }

 private void InitFSM()
 {
     this.FSM = new FiniteStateMachine<BossEntity>(this)
         .Add(new BossPatrolState())
         .Add(new BossPlayerShootState())
         .Add(new BossCircleShootState())
         .Add(new BossSprayShootState());
 }

    protected void Awake()
    {
        _fsm = new FiniteStateMachine();

        _fsm.AddState(new MonsterWanderState(gameObject));

        _fsm.ChangeState(new FSMTransition(MonsterState.Wander));
    }

 public override void Perform(FiniteStateMachine fsm)
 {
     TransitionIndex = Math.Min(TransitionIndex, fsm.Transitions.Count - 1);
     var t = fsm.Transitions[TransitionIndex];
     t.StartState = null;
     t.EndState = null;
     fsm.Transitions.RemoveAt(TransitionIndex);
 }

	// Use this for initialization
	private void Start() {
		State stateOne = new State("There was a dark cell. Press C to go to the corner");
		State stateTwo = new State("There was a dark corner of a dark cell. Press B to go to go back");
		stateOne.nextStates.Add(KeyCode.C, stateTwo);
		stateTwo.nextStates.Add(KeyCode.B, stateOne);
		stateMachine = new FiniteStateMachine(stateOne);
		stateMachine.states.Add(stateTwo);
		text.text = stateMachine.currentState.description;
	}

 // Use this for initialization
 void Start()
 {
     stateMachine = GetComponent<FiniteStateMachine>();
     stateMachine.InitializeStateMachine();
     stateMachine.AddState(new BomberReachedScreenEdge(this.transform));
     stateMachine.AddState(new BomberAttackingPlayer(this.transform, GameManager.instance.GetPlayer()));
     stateMachine.AddState(new BomberMovingToPosition(this.transform));
     stateMachine.AddState(new BomberDead(this.transform));
 }

    protected void Initialize()
    {
        StateBathroom = GetComponentInChildren(typeof(BathroomState)) as BathroomState;
        StateKitchen = GetComponentInChildren(typeof(KitchenState)) as KitchenState;
        StateBedroom = GetComponentInChildren(typeof(BedroomState)) as BedroomState;
        StateCloset = GetComponentInChildren(typeof(ClosetState)) as ClosetState;

        FSM = new FiniteStateMachine<MovingVoice>(this);
    }