131 lines
4 KiB
C#
131 lines
4 KiB
C#
/*
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Copyright (c) 2017, Lars Brubaker, John Lewin
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are met:
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1. Redistributions of source code must retain the above copyright notice, this
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list of conditions and the following disclaimer.
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2. Redistributions in binary form must reproduce the above copyright notice,
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this list of conditions and the following disclaimer in the documentation
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and/or other materials provided with the distribution.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
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ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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The views and conclusions contained in the software and documentation are those
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of the authors and should not be interpreted as representing official policies,
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either expressed or implied, of the FreeBSD Project.
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*/
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using System.Threading;
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using System.Threading.Tasks;
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using MatterHackers.DataConverters3D;
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using MatterHackers.PolygonMesh;
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namespace MatterHackers.MatterControl.PartPreviewWindow.View3D
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{
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public class DifferenceItem : Object3D
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{
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public DifferenceItem(IObject3D child, bool keep)
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{
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this.Keep = keep;
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Children.Add(child);
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if (!keep)
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{
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OutputType = PrintOutputTypes.Hole;
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}
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}
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public bool Keep { get; set; } = true;
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}
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public class DifferenceGroup : Object3D
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{
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public DifferenceGroup(SafeList<IObject3D> children)
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{
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Children.Modify((list) =>
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{
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foreach (var child in children)
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{
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list.Add(child);
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}
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});
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bool first = true;
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// now wrap every decendant that has a mesh
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foreach (var child in this.Descendants().Where((o) => o.Mesh != null))
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{
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// wrap the child in a DifferenceItem
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child.Parent.Children.Modify((list) =>
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{
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list.Remove(child);
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list.Add(new DifferenceItem(child, first));
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first = false;
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});
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}
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}
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async void ProcessBooleans()
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{
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// spin up a task to remove holes from the objects in the group
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await Task.Run(() =>
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{
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var holes = this.Children.Where(obj => obj.OutputType == PrintOutputTypes.Hole).ToList();
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if (holes.Any())
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{
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var itemsToReplace = new List<(IObject3D object3D, Mesh newMesh)>();
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foreach (var hole in holes)
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{
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var transformedHole = Mesh.Copy(hole.Mesh, CancellationToken.None);
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transformedHole.Transform(hole.Matrix);
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var stuffToModify = this.Children.Where(obj => obj.OutputType != PrintOutputTypes.Hole && obj.Mesh != null).ToList();
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foreach (var object3D in stuffToModify)
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{
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var transformedObject = Mesh.Copy(object3D.Mesh, CancellationToken.None);
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transformedObject.Transform(object3D.Matrix);
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var newMesh = PolygonMesh.Csg.CsgOperations.Subtract(transformedObject, transformedHole);
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if (newMesh != object3D.Mesh)
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{
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itemsToReplace.Add((object3D, newMesh));
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}
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}
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foreach (var x in itemsToReplace)
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{
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this.Children.Remove(x.object3D);
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var newItem = new Object3D()
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{
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Mesh = x.newMesh,
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// Copy over child properties...
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OutputType = x.object3D.OutputType,
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Color = x.object3D.Color,
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MaterialIndex = x.object3D.MaterialIndex
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};
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newItem.Children.Add(x.object3D);
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this.Children.Add(newItem);
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}
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}
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}
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});
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}
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}
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}
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