// Disposer
public override void Dispose()
{
// Not already disposed?
if (!isdisposed)
{
// Already set isdisposed so that changes can be prohibited
isdisposed = true;
// Dispose the sidedefs that are attached to this sector
// because a sidedef cannot exist without reference to its sector.
if (map.AutoRemove)
{
foreach (Sidedef sd in sidedefs)
{
sd.Dispose();
}
}
else
{
foreach (Sidedef sd in sidedefs)
{
sd.SetSectorP(null);
}
}
if (map == General.Map.Map)
{
General.Map.UndoRedo.RecRemSector(this);
}
// Remove from main list
map.RemoveSector(listindex);
// Register the index as free
map.AddSectorIndexHole(fixedindex);
// Free surface entry
General.Map.CRenderer2D.Surfaces.FreeSurfaces(surfaceentries);
// Clean up
sidedefs = null;
map = null;
//mxd. Restore isdisposed so base classes can do their disposal job
isdisposed = false;
// Dispose base
base.Dispose();
}
}