private void SetEnterTarget(Enter enter, MarkupPoint ignore)
{
if (ignore == null || ignore.Enter != enter)
{
TargetPoints.AddRange(enter.Points.Cast <MarkupPoint>());
return;
}
var allow = enter.Points.Select(i => 1).ToArray();
var ignoreIdx = ignore.Num - 1;
var leftIdx = ignoreIdx;
var rightIdx = ignoreIdx;
foreach (var line in enter.Markup.Lines.Where(l => l.Type == MarkupLine.LineType.Stop && l.Start.Enter == enter))
{
var from = Math.Min(line.Start.Num, line.End.Num) - 1;
var to = Math.Max(line.Start.Num, line.End.Num) - 1;
if (from < ignore.Num - 1 && ignore.Num - 1 < to)
{
return;
}
allow[from] = 2;
allow[to] = 2;
for (var i = from + 1; i <= to - 1; i += 1)
{
allow[i] = 0;
}
if (line.ContainsPoint(ignore))
{
var otherIdx = line.PointPair.GetOther(ignore).Num - 1;
if (otherIdx < ignoreIdx)
{
leftIdx = otherIdx;
}
else if (otherIdx > ignoreIdx)
{
rightIdx = otherIdx;
}
}
}
SetNotAllow(allow, leftIdx == ignoreIdx ? Find(allow, ignoreIdx, -1) : leftIdx, -1);
SetNotAllow(allow, rightIdx == ignoreIdx ? Find(allow, ignoreIdx, 1) : rightIdx, 1);
allow[ignoreIdx] = 0;
foreach (var point in enter.Points)
{
if (allow[point.Num - 1] != 0)
{
TargetPoints.Add(point);
}
}
}
private void SetCrosswalkTarget(Enter enter, MarkupPoint ignore)
{
if (ignore != null && ignore.Enter != enter)
{
return;
}
var allow = enter.Crosswalks.Select(i => 1).ToArray();
var bridge = new Dictionary <MarkupPoint, int>();
foreach (var crosswalk in enter.Crosswalks)
{
bridge.Add(crosswalk, bridge.Count);
}
var isIgnore = ignore?.Enter == enter;
var ignoreIdx = isIgnore ? bridge[ignore] : 0;
var leftIdx = ignoreIdx;
var rightIdx = ignoreIdx;
foreach (var line in enter.Markup.Lines.Where(l => l.Type == MarkupLine.LineType.Crosswalk && l.Start.Enter == enter))
{
var from = Math.Min(bridge[line.Start], bridge[line.End]);
var to = Math.Max(bridge[line.Start], bridge[line.End]);
allow[from] = 2;
allow[to] = 2;
for (var i = from + 1; i <= to - 1; i += 1)
{
allow[i] = 0;
}
if (isIgnore && line.ContainsPoint(ignore))
{
var otherIdx = bridge[line.PointPair.GetOther(ignore)];
if (otherIdx < ignoreIdx)
{
leftIdx = otherIdx;
}
else if (otherIdx > ignoreIdx)
{
rightIdx = otherIdx;
}
}
}
if (isIgnore)
{
SetNotAllow(allow, leftIdx == ignoreIdx ? Find(allow, ignoreIdx, -1) : leftIdx, -1);
SetNotAllow(allow, rightIdx == ignoreIdx ? Find(allow, ignoreIdx, 1) : rightIdx, 1);
allow[ignoreIdx] = 0;
}
foreach (var point in bridge)
{
if (allow[point.Value] != 0)
{
TargetPoints.Add(point.Key);
}
}
}