public RenderViewModel(IAiFactory aiFactory, CompletedSimulation simulation)
{
Ai = aiFactory ?? throw new ArgumentNullException(nameof(aiFactory));
Simulation = simulation ?? throw new ArgumentNullException(nameof(simulation));
Start = ReactiveCommand.CreateFromObservable(() =>
{
IAi ai = Ai.Create(Simulation.Parameters);
Level level = Simulation.ProtoLevel.Generate();
Rover rover = new Rover(level, Simulation.Parameters);
return(Observable.Create <(RoverAction action, Update update)>(obs =>
{
return Task.Run(async() =>
{
var actionEnumerator = ai.Simulate(rover.Accessor).GetEnumerator();
while (actionEnumerator.MoveNext() && rover.Perform(actionEnumerator.Current, out Update update))
{
obs.OnNext((actionEnumerator.Current, update));
Int32 delay = actionEnumerator.Current.Instruction switch
{
Instruction.Move => 75,
Instruction.CollectSample => 50,
_ => 0
};
if (delay != 0)
{
await Task.Delay(delay);
}
}
});
}));
});
Stats = Start.Aggregate(RoverStats.Create(Simulation.Parameters), (s, update) => s.Add(update.action, update.update));
State = this
.WhenAnyObservable(m => m.Start)
.Select(update => update.update)
.Scan(VisibleState.GenerateBlank(Simulation.Parameters), (state, update) =>
{
state.Apply(update);
return(state);
});
}
