static void Main(string[] args)
{
Machine machine = new Machine();
/// Definition of the wake state
/// This state will just print Alarm sounds! and add alarmSounded=true to the global payload
var wake = new State(
"wake",
(s) => {
Console.WriteLine("Alarm sounds!");
State.GlobalPayload["alarmSounded"] = true;
return true;
}
);
/// Definition of the breakfeast state
/// It will print Cut bread to the console, remove the alarmSounded from global payload
/// and initialize the local state step = 1
/// Then, during the update phase, it prints Make sandwitch step x of 3
/// until the third step, then we continue to the exit action
/// Finally we print Eat bread to the console
var breakfeast = new State(
"breakfast",
(s) => {
Console.WriteLine("Cut bread");
State.GlobalPayload.Remove("alarmSounded");
s.Payload["step"] = 1;
return true;
},
(s) => {
Console.WriteLine("Make sandwitch step " + s.Payload["step"] + " of 3");
int next = Int32.Parse("" + s.Payload["step"]) + 1;
s.Payload["step"] = next;
return next > 3;
},
(s) => {
Console.WriteLine("Eat bread");
return true;
}
);
int iteration = 0;
/// This is a rule that whenever iteration is 3, we transition to wake state
machine.TransitionToWhen(wake, (s) => {
return iteration == 3;
});
/// This rule says that we transition to breakfast state when the global payload contains a key for alarmSounded
machine.TransitionToWhen(breakfeast, (s) => {
return State.GlobalPayload.ContainsKey("alarmSounded");
});
machine.TransitionTo(State.EMPTY);
/// process the state machine
for (iteration = 0; iteration < 12; iteration++) {
machine.Update();
}
Console.Read();
}
public static bool AlwaysTrue(State arg)
{
return true;
}
public Edge(PicoFSM.State state, Func <PicoFSM.State, bool> condition, Action <PicoFSM.State> callback)
{
this.State = state;
this.Condition = condition;
this.Callback = callback;
}
public static bool AlwaysFalse(State arg)
{
return false;
}