private string PromptName(string name)
{
var qf = new QuickForm(ProfileName)
{
UseShortcutKeys = true
};
qf.TextBox("ProfileName", ProfileName, name);
qf.OkCancel(OK, Cancel);
if (qf.ShowDialog() != DialogResult.OK)
{
return(null);
}
var n = qf.String("ProfileName");
return(String.IsNullOrEmpty(n) ? null : n);
}
protected override async Task Invoke(MapDocument document, CommandParameters parameters)
{
var objects = document.Selection.OfType <Solid>().ToList();
// Prompt the user for the wall width. If more than 1 solid is selected, show a little warning notice.
var qf = new QuickForm(PromptTitle)
{
UseShortcutKeys = true
};
if (objects.Count > 1)
{
qf.Label(String.Format(WarningMessage, objects.Count));
}
qf.NumericUpDown("Width", PromptWallWidth, -1024, 1024, 0, 32);
qf.OkCancel(OK, Cancel);
if (await qf.ShowDialogAsync() != DialogResult.OK)
{
return;
}
var width = (float)qf.Decimal("Width");
var ops = new List <IOperation>();
foreach (var obj in objects)
{
var split = false;
var solid = obj;
// Make a scaled version of the solid for the "inside" of the hollowed solid
var origin = solid.BoundingBox.Center;
var current = obj.BoundingBox.Dimensions;
var target = current - new Vector3(width, width, width) * 2; // Double the width to take from both sides
// Ensure we don't have any invalid target sizes
if (target.X < 1)
{
target.X = 1;
}
if (target.Y < 1)
{
target.Y = 1;
}
if (target.Z < 1)
{
target.Z = 1;
}
// Clone and scale the solid
var scale = Vector3.Divide(target, current);
var carver = (Solid)solid.Clone();
carver.Transform(Matrix4x4.CreateTranslation(-origin) * Matrix4x4.CreateScale(scale) * Matrix4x4.CreateTranslation(origin));
// For a negative width, we want the original solid to be the inside instead
if (width < 0)
{
var temp = carver;
carver = solid;
solid = temp;
}
// Carve the outside solid with the inside solid
foreach (var plane in carver.Faces.Select(x => x.Plane))
{
// Split solid by plane
Solid back, front;
try
{
if (!solid.Split(document.Map.NumberGenerator, plane, out back, out front))
{
continue;
}
}
catch
{
// We're not too fussy about over-complicated carving, just get out if we've broken it.
break;
}
split = true;
if (front != null)
{
// Retain the front solid
if (solid.IsSelected)
{
front.IsSelected = true;
}
ops.Add(new Attach(obj.Hierarchy.Parent.ID, front));
}
if (back == null || !back.IsValid())
{
break;
}
// Use the back solid as the new clipping target
if (solid.IsSelected)
{
back.IsSelected = true;
}
solid = back;
}
if (!split)
{
continue;
}
ops.Add(new Detatch(obj.Hierarchy.Parent.ID, obj));
}
if (ops.Any())
{
await MapDocumentOperation.Perform(document, new Transaction(ops));
}
}
