public List <TrailSegment> GetTrailSegmentList(bool withHead)
{
if (!withHead)
{
return(_trail.GetList());
}
var trailWithHead = new List <TrailSegment>(_trail.GetList());
float headSegmentStartX;
float headSegmentStartY;
if (_trail.Size() > 0)
{
var head = _trail.GetHead();
if (head == null)
{
return(new List <TrailSegment>());
}
var lastSeg = _trail.GetHead().GetLine();
headSegmentStartX = lastSeg.End.X;
headSegmentStartY = lastSeg.End.Y;
}
else
{
headSegmentStartX = _startPos.X;
headSegmentStartY = _startPos.Y;
}
var headSegment = new TrailSegment(_ownerPid, new LineSegment2D(new Vector2(headSegmentStartX, headSegmentStartY), new Vector2(_pos.X, _pos.Y)));
trailWithHead.Add(headSegment);
return(trailWithHead);
}
public void ReplaceSegments(TrailSegment s, params TrailSegment[] newSegments)
{
var segment = _segments.GetValueOrDefault(s.GetId());
if (segment == null)
{
return;
}
// TODO this is clearly not done
}
public void SetTrailSegment(TrailSegment trailSegment)
{
this.trailSegment = trailSegment;
}
public ImpactPoint(TrailSegment seg, Point p)
{
trailSegment = seg;
point = p;
}
public void BreakSegment(ImpactPoint impactPoint, double radius)
{
var requestedSegment = impactPoint.GetTrailSegment();
var orientation = requestedSegment.GetOrientation();
TrailSegment newSegment1 = null;
TrailSegment newSegment2 = null;
if (orientation.X == 1)
{
// segment is horizontal
var y = requestedSegment.GetLine().Start.Y;
var x1 = requestedSegment.GetLine().Start.X;
var x2 = requestedSegment.GetLine().End.X;
float t1x1, t1x2, t2x1, t2x2;
if (x1 < x2)
{
t1x1 = Math.Min(x1, x2);
t1x2 = (float)Math.Max(impactPoint.GetPoint().X - radius, t1x1);
t2x2 = Math.Max(x1, x2);
t2x1 = (float)Math.Min(impactPoint.GetPoint().X + radius, t2x2);
}
else
{
t1x1 = Math.Max(x1, x2);
t1x2 = (float)Math.Min(impactPoint.GetPoint().X + radius, t1x1);
t2x2 = Math.Min(x1, x2);
t2x1 = (float)Math.Max(impactPoint.GetPoint().X - radius, t2x2);
}
var newSegment1Line = new LineSegment2D();
newSegment1Line.Start.X = t1x1;
newSegment1Line.Start.Y = y;
newSegment1Line.End.X = t1x2;
newSegment1Line.End.Y = y;
var newSegment2Line = new LineSegment2D();
newSegment2Line.Start.X = t2x1;
newSegment2Line.Start.Y = y;
newSegment2Line.End.X = t2x2;
newSegment2Line.End.Y = y;
newSegment1 = new TrailSegment(requestedSegment.GetOwnerPid(), newSegment1Line);
newSegment2 = new TrailSegment(requestedSegment.GetOwnerPid(), newSegment2Line);
}
else if (orientation.Y == 1)
{
// segment is vertical
var x = requestedSegment.GetLine().Start.X;
var y1 = requestedSegment.GetLine().Start.Y;
var y2 = requestedSegment.GetLine().End.Y;
float t1y1, t1y2, t2y1, t2y2;
if (y1 < y2)
{
t1y1 = Math.Min(y1, y2);
t1y2 = (float)Math.Max(impactPoint.GetPoint().Y - radius, t1y1);
t2y2 = Math.Max(y1, y2);
t2y1 = (float)Math.Min(impactPoint.GetPoint().Y + radius, t2y2);
}
else
{
t1y1 = Math.Max(y1, y2);
t1y2 = (float)Math.Min(impactPoint.GetPoint().Y + radius, t1y1);
t2y2 = Math.Min(y1, y2);
t2y1 = (float)Math.Max(impactPoint.GetPoint().Y - radius, t2y2);
}
var newSegment1Line = new LineSegment2D();
newSegment1Line.Start.X = x;
newSegment1Line.Start.Y = t1y1;
newSegment1Line.End.X = x;
newSegment1Line.End.Y = t1y2;
var newSegment2Line = new LineSegment2D();
newSegment2Line.Start.X = x;
newSegment2Line.Start.Y = t2y1;
newSegment2Line.End.X = x;
newSegment2Line.End.Y = t2y2;
newSegment1 = new TrailSegment(requestedSegment.GetOwnerPid(), newSegment1Line);
newSegment2 = new TrailSegment(requestedSegment.GetOwnerPid(), newSegment2Line);
}
_segments.TryGetValue(requestedSegment.GetId(), out var segment);
if (segment == null)
{
if (requestedSegment.GetId() == _head.GetId())
{
segment = requestedSegment; // Segment being broken is (missing) segment between bike and last corner
}
else
{
return;
}
}
// Int casts here may be an issue TODO
var frontOfSegment = new Point((int)segment.GetLine().End.X, (int)segment.GetLine().End.Y);
var newSegment1Point1 = new Point((int)newSegment1.GetLine().Start.X, (int)newSegment1.GetLine().Start.Y);
var newSegment1Point2 = new Point((int)newSegment1.GetLine().End.X, (int)newSegment1.GetLine().End.Y);
var newSegment2Point1 = new Point((int)newSegment2.GetLine().Start.X, (int)newSegment2.GetLine().Start.Y);
var newSegment2Point2 = new Point((int)newSegment2.GetLine().End.X, (int)newSegment2.GetLine().End.Y);
if (segment.GetId() == _head.GetId())
{
if (frontOfSegment.Equals(newSegment1Point1) || frontOfSegment.Equals(newSegment1Point2))
{
_head = newSegment1;
}
else if (frontOfSegment.Equals(newSegment2Point1) || frontOfSegment.Equals(newSegment2Point2))
{
_head = newSegment2;
}
}
_segments.Remove(requestedSegment.GetId(), out var _);
_segments.TryAdd(newSegment1.GetId(), newSegment1);
_segments.TryAdd(newSegment2.GetId(), newSegment2);
}
public void Add(TrailSegment segment)
{
_segments.TryAdd(segment.GetId(), segment);
_head = segment;
}
