public override PathElement GetNextPathThrough(bool bCheckOccupied, ref int nSourceFrom, out int nForeignSource)
{
ArrayList list;
int num;
nForeignSource = -1;
PointSwitchBase.ConnectionSource source = (PointSwitchBase.ConnectionSource)nSourceFrom;
if (bCheckOccupied)
{
list = base.IsOccupied();
if (list.Count != 0)
{
if (nSourceFrom == ((int)list[0]))
{
nSourceFrom = num = (int)list[1];
return(base.GetConnectedPath(num, out nForeignSource));
}
if (nSourceFrom == ((int)list[1]))
{
nSourceFrom = num = (int)list[0];
return(base.GetConnectedPath(num, out nForeignSource));
}
}
return(null);
}
switch (source)
{
case PointSwitchBase.ConnectionSource.Plus:
case PointSwitchBase.ConnectionSource.Minus:
nSourceFrom = num = 1;
return(base.GetConnectedPath(num, out nForeignSource));
}
list = this.IsSelected();
if (list.Count == 0)
{
list = base.IsOccupied();
if (list.Count == 0)
{
return(null);
}
}
nSourceFrom = num = (int)list[1];
return(base.GetConnectedPath(num, out nForeignSource));
}
public override int GetOppositeSource(int nSource)
{
PointSwitchBase.ConnectionSource source = (PointSwitchBase.ConnectionSource)nSource;
ArrayList list = base.IsOccupied();
if (list.Count == 0)
{
list = this.IsSelected();
if (list.Count == 0)
{
return(-1);
}
}
switch (source)
{
case PointSwitchBase.ConnectionSource.Plus:
case PointSwitchBase.ConnectionSource.Minus:
return(1);
}
return((int)list[1]);
}
public override int[] GetOppositeSources(int nSource)
{
PointSwitchBase.ConnectionSource source = (PointSwitchBase.ConnectionSource)nSource;
int oppositeSource = this.GetOppositeSource(nSource);
if (oppositeSource == -1)
{
if (source == PointSwitchBase.ConnectionSource.Peak)
{
return(new int[] { 2, 3 });
}
return(new int[] { 1 });
}
switch (((PointSwitchBase.ConnectionSource)oppositeSource))
{
case PointSwitchBase.ConnectionSource.Peak:
return(new int[] { 1 });
case PointSwitchBase.ConnectionSource.Plus:
return(new int[] { oppositeSource, 3 });
}
return(new int[] { oppositeSource, 2 });
}
