public void BindTag(int tag, LinedefProperties ldprops)
{
Linedef line = null;
// try to find an line without an action
foreach (Sidedef sd in sector.Sidedefs)
{
if (sd.Line.Action == 0 && sd.Line.Tag == 0 && line == null)
{
line = sd.Line;
}
// if a line of the control sector already has the tag
// nothing has to be done
if (sd.Line.Args[0] == tag)
{
return;
}
}
// no lines without an action, so a line has to get split
// find the longest line to split
if (line == null)
{
line = sector.Sidedefs.First().Line;
foreach (Sidedef sd in sector.Sidedefs)
{
if (sd.Line.Length > line.Length)
{
line = sd.Line;
}
}
// Lines may not have a length of less than 1 after splitting
if (line.Length / 2 < 1)
{
throw new Exception("Can't split more lines in Sector " + line.Front.Sector.Index.ToString() + ".");
}
Vertex v = General.Map.Map.CreateVertex(line.Line.GetCoordinatesAt(0.5f));
v.SnapToAccuracy();
line = line.Split(v);
General.Map.Map.Update();
General.Interface.RedrawDisplay();
}
if (ldprops != null)
{
ldprops.Apply(new List <Linedef>()
{
line
}, false);
}
line.Action = 160;
line.Args[0] = tag;
line.Args[1] = type;
line.Args[2] = flags;
line.Args[3] = alpha;
}
