public void AddWire(IList <Circuit.Coord> x)
{
Edits.BeginEditGroup();
for (int i = 0; i < x.Count - 1; ++i)
{
AddWire(x[i], x[i + 1]);
}
Edits.EndEditGroup();
}
public void AddWire(Circuit.Coord A, Circuit.Coord B)
{
if (A == B)
{
return;
}
Debug.Assert(A.x == B.x || A.y == B.y);
Edits.BeginEditGroup();
// Find all of the wires that are parallel and overlapping this wire.
List <Circuit.Wire> overlapping = CoincidentWires(A, B).ToList();
bool selected = overlapping.Any(i => ((WireControl)i.Tag).Selected);
Circuit.Coord a = new Circuit.Coord(
overlapping.Min(i => Math.Min(i.A.x, i.B.x), Math.Min(A.x, B.x)),
overlapping.Min(i => Math.Min(i.A.y, i.B.y), Math.Min(A.y, B.y)));
Circuit.Coord b = new Circuit.Coord(
overlapping.Max(i => Math.Max(i.A.x, i.B.x), Math.Max(A.x, B.x)),
overlapping.Max(i => Math.Max(i.A.y, i.B.y), Math.Max(A.y, B.y)));
List <Circuit.Coord> terminals = new List <Circuit.Coord>()
{
a, b
};
foreach (Circuit.Element i in InRect(a - 1, b + 1))
{
// Find all of the terminals between a and b.
foreach (Circuit.Terminal j in i.Terminals)
{
if (Circuit.Wire.PointOnSegment(i.MapTerminal(j), a, b))
{
// If i is not a wire, or it is a wire that is not coincident with a, b, add the terminal to the list.
if (!(i is Circuit.Wire) ||
i.Terminals.Any(k => !Circuit.Wire.PointOnLine(i.MapTerminal(k), a, b)))
{
terminals.Add(i.MapTerminal(j));
}
}
}
// If i is a Wire that crosses a, b, add a terminal at the intersection.
if (i is Circuit.Wire)
{
Circuit.Wire w = (Circuit.Wire)i;
Circuit.Coord ia = w.MapTerminal(w.Anode);
Circuit.Coord ib = w.MapTerminal(w.Cathode);
// If one of A, B is intersecting this wire, we shouldn't merge wires across this point.
if (Circuit.Wire.PointOnLine(A, ia, ib) && !Circuit.Wire.PointOnLine(B, ia, ib))
{
terminals.Add(A);
}
else if (Circuit.Wire.PointOnLine(B, ia, ib) && !Circuit.Wire.PointOnLine(A, ia, ib))
{
terminals.Add(B);
}
}
}
terminals.Sort((t1, t2) => t1.x == t2.x ? t1.y.CompareTo(t2.y) : t1.x.CompareTo(t2.x));
// Remove the original wires, and add new ones between each terminal between a and b.
Remove(overlapping);
for (int i = 0; i < terminals.Count - 1; ++i)
{
if (terminals[i] != terminals[i + 1])
{
Add(new Circuit.Wire(terminals[i], terminals[i + 1]));
}
}
Edits.EndEditGroup();
}