Exemple #1
0
        private static IEnumerable <TrackEvent> GenerateTrackEvents(RailTrack track)
        {
            var          pointSet   = track.GetPointSet();
            EquiPointSet simplified = EquiPointSet.ResampleEquidistant(
                pointSet,
                Mathf.Min(SIMPLIFIED_RESOLUTION, (float)pointSet.span / 3));

            foreach (var point in simplified.points)
            {
                foreach (var trackEvent in FindSigns(point))
                {
                    yield return(trackEvent);
                }
            }
        }
Exemple #2
0
        public static IEnumerable <TrackEvent> FollowTrack(RailTrack track, double startSpan, double distance)
        {
            const int MAX_ITERATIONS    = 100;
            double    distanceFromStart = 0f;

            for (int i = 0; i < MAX_ITERATIONS; i++)
            {
                yield return(new TrackChangeEvent(distanceFromStart, track.logicTrack.ID));

                bool travelDirection = distance > 0;

                var trackEvents = TrackIndexer
                                  .GetTrackEvents(track, travelDirection, startSpan)
                                  .Offset(distanceFromStart);

                foreach (var trackEvent in trackEvents)
                {
                    yield return(trackEvent);
                }

                double newSpan = startSpan + distance;

                Junction        nextJunction;
                Junction.Branch nextBranch;
                if (newSpan < 0)
                {
                    nextBranch = track.GetInBranch();
                    if (nextBranch == null)
                    {
                        yield break;
                    }
                    distance          += startSpan;
                    distanceFromStart += startSpan;
                    if (nextBranch.first)
                    {
                        distance *= -1;
                    }
                    nextJunction = track.inJunction;
                }
                else
                {
                    double trackSpan = track.GetPointSet().span;
                    if (newSpan >= trackSpan)
                    {
                        nextBranch = track.GetOutBranch();
                        if (nextBranch == null)
                        {
                            yield break;
                        }
                        distance          -= trackSpan - startSpan;
                        distanceFromStart += trackSpan - startSpan;
                        if (!nextBranch.first)
                        {
                            distance *= -1;
                        }
                        nextJunction = track.outJunction;
                    }
                    else
                    {
                        yield break;
                    }
                }

                if (nextBranch == null)
                {
                    yield break;
                }

                if (nextJunction != null && nextJunction.inBranch.track == track)
                {
                    yield return(new JunctionEvent(distanceFromStart, true, nextJunction));
                }

                track     = nextBranch.track;
                startSpan = nextBranch.first ? 0.0 : nextBranch.track.GetPointSet().span;
            }
        }