313 lines
11 KiB
C#
313 lines
11 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.Threading;
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using System.Threading.Tasks;
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using MatterHackers.Agg;
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using MatterHackers.Agg.UI;
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using MatterHackers.DataConverters3D;
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using MatterHackers.Localizations;
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using MatterHackers.MatterControl.DesignTools;
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using MatterHackers.MatterControl.DesignTools.Operations;
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using MatterHackers.PolygonMesh;
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using MatterHackers.PolygonMesh.Csg;
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using MatterHackers.VectorMath;
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namespace MatterHackers.MatterControl.PartPreviewWindow.View3D
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{
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[ShowUpdateButton]
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public class CombineObject3D_2 : OperationSourceContainerObject3D, IPropertyGridModifier, IBuildsOnThread
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{
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private CancellationTokenSource cancellationToken;
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public CombineObject3D_2()
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{
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Name = "Combine";
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}
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#if DEBUG
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public ProcessingModes Processing { get; set; } = ProcessingModes.Polygons;
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[EnumDisplay(Mode = EnumDisplayAttribute.PresentationMode.Buttons)]
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public ProcessingResolution OutputResolution { get; set; } = ProcessingResolution._64;
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[EnumDisplay(Mode = EnumDisplayAttribute.PresentationMode.Buttons)]
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public IplicitSurfaceMethod MeshAnalysis { get; set; }
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[EnumDisplay(Mode = EnumDisplayAttribute.PresentationMode.Buttons)]
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public ProcessingResolution InputResolution { get; set; } = ProcessingResolution._64;
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#else
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private ProcessingModes Processing { get; set; } = ProcessingModes.Polygons;
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private ProcessingResolution OutputResolution { get; set; } = ProcessingResolution._64;
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private IplicitSurfaceMethod MeshAnalysis { get; set; }
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private ProcessingResolution InputResolution { get; set; } = ProcessingResolution._64;
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#endif
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public bool IsBuilding => this.cancellationToken != null;
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public override Task Rebuild()
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{
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this.DebugDepth("Rebuild");
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var rebuildLocks = this.RebuilLockAll();
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return ApplicationController.Instance.Tasks.Execute(
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"Combine".Localize(),
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null,
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(reporter, cancellationTokenSource) =>
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{
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this.cancellationToken = cancellationTokenSource as CancellationTokenSource;
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var progressStatus = new ProgressStatus();
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reporter.Report(progressStatus);
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try
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{
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Combine(cancellationTokenSource.Token, reporter);
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}
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catch
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{
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}
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if (!NameOverriden)
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{
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Name = NameFromChildren();
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NameOverriden = false;
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}
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this.cancellationToken = null;
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UiThread.RunOnIdle(() =>
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{
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rebuildLocks.Dispose();
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this.CancelAllParentBuilding();
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Parent?.Invalidate(new InvalidateArgs(this, InvalidateType.Children));
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});
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return Task.CompletedTask;
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});
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}
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public void Combine()
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{
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Combine(CancellationToken.None, null);
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}
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public override string NameFromChildren()
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{
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return CalculateName(SourceContainer.Children, " + ");
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}
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private void Combine(CancellationToken cancellationToken, IProgress<ProgressStatus> reporter)
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{
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SourceContainer.Visible = true;
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RemoveAllButSource();
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var participants = SourceContainer.VisibleMeshes();
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if (participants.Count() < 2)
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{
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if (participants.Count() == 1)
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{
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var newMesh = new Object3D();
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newMesh.CopyProperties(participants.First(), Object3DPropertyFlags.All);
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newMesh.Mesh = participants.First().Mesh;
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this.Children.Add(newMesh);
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SourceContainer.Visible = false;
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}
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return;
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}
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List<List<(Mesh mesh, Matrix4X4 matrix, AxisAlignedBoundingBox aabb)>> touchingSets = GetTouchingMeshes(participants);
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var totalOperations = touchingSets.Sum(t => t.Count);
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double amountPerOperation = 1.0 / totalOperations;
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double ratioCompleted = 0;
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var progressStatus = new ProgressStatus();
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var setMeshes = new List<Mesh>();
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foreach (var set in touchingSets)
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{
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var setMesh = set.First().Item1;
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var keepWorldMatrix = set.First().matrix;
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if (set.Count > 1)
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{
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#if false
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setMesh = BooleanProcessing.DoArray(set.Select(i => (i.mesh, i.matrix)),
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CsgModes.Union,
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Processing,
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InputResolution,
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OutputResolution,
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reporter,
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cancellationToken);
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#else
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bool first = true;
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foreach (var next in set)
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{
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if (first)
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{
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first = false;
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continue;
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}
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setMesh = BooleanProcessing.Do(setMesh,
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keepWorldMatrix,
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// other mesh
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next.mesh,
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next.matrix,
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// operation type
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CsgModes.Union,
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Processing,
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InputResolution,
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OutputResolution,
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// reporting
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reporter,
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amountPerOperation,
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ratioCompleted,
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progressStatus,
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cancellationToken);
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// after the first time we get a result the results mesh is in the right coordinate space
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keepWorldMatrix = Matrix4X4.Identity;
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// report our progress
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ratioCompleted += amountPerOperation;
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progressStatus.Progress0To1 = ratioCompleted;
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reporter?.Report(progressStatus);
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}
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#endif
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setMeshes.Add(setMesh);
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}
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else
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{
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setMesh.Transform(keepWorldMatrix);
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// report our progress
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ratioCompleted += amountPerOperation;
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progressStatus.Progress0To1 = ratioCompleted;
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reporter?.Report(progressStatus);
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setMeshes.Add(setMesh);
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}
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}
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Mesh resultsMesh = null;
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foreach (var setMesh in setMeshes)
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{
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if (resultsMesh == null)
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{
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resultsMesh = setMesh;
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}
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else
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{
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resultsMesh.CopyAllFaces(setMesh, Matrix4X4.Identity);
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}
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}
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if (resultsMesh != null)
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{
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var resultsItem = new Object3D()
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{
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Mesh = resultsMesh
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};
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resultsItem.CopyProperties(participants.First(), Object3DPropertyFlags.All & (~Object3DPropertyFlags.Matrix));
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this.Children.Add(resultsItem);
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SourceContainer.Visible = false;
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}
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}
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private List<List<(Mesh mesh, Matrix4X4 matrix, AxisAlignedBoundingBox aabb)>> GetTouchingMeshes(IEnumerable<IObject3D> participants)
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{
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void AddAllTouching(List<(Mesh mesh, Matrix4X4 matrix, AxisAlignedBoundingBox aabb)> touching,
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List<(Mesh mesh, Matrix4X4 matrix, AxisAlignedBoundingBox aabb)> available)
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{
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// add the frirst item
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touching.Add(available[available.Count - 1]);
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available.RemoveAt(available.Count - 1);
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var indexBeingChecked = 0;
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// keep adding items until we have checked evry item in the the touching list
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while (indexBeingChecked < touching.Count
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&& available.Count > 0)
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{
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// look for a aabb that intersects any aabb in the set
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for (int i = available.Count - 1; i >= 0; i--)
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{
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if (touching[indexBeingChecked].aabb.Intersects(available[i].aabb))
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{
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touching.Add(available[i]);
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available.RemoveAt(i);
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}
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}
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indexBeingChecked++;
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}
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}
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var allItems = participants.Select(i =>
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{
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var mesh = i.Mesh.Copy(CancellationToken.None);
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var matrix = i.WorldMatrix(SourceContainer);
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var aabb = mesh.GetAxisAlignedBoundingBox(matrix);
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return (mesh, matrix, aabb);
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}).ToList();
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var touchingSets = new List<List<(Mesh mesh, Matrix4X4 matrix, AxisAlignedBoundingBox aabb)>>();
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while (allItems.Count > 0)
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{
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var touchingSet = new List<(Mesh mesh, Matrix4X4 matrix, AxisAlignedBoundingBox aabb)>();
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touchingSets.Add(touchingSet);
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AddAllTouching(touchingSet, allItems);
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}
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return touchingSets;
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}
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public void UpdateControls(PublicPropertyChange change)
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{
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change.SetRowVisible(nameof(InputResolution), () => Processing != ProcessingModes.Polygons);
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change.SetRowVisible(nameof(OutputResolution), () => Processing != ProcessingModes.Polygons);
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change.SetRowVisible(nameof(MeshAnalysis), () => Processing != ProcessingModes.Polygons);
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change.SetRowVisible(nameof(InputResolution), () => Processing != ProcessingModes.Polygons && MeshAnalysis == IplicitSurfaceMethod.Grid);
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}
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public void CancelBuild()
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{
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var threadSafe = this.cancellationToken;
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if(threadSafe != null)
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{
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threadSafe.Cancel();
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}
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}
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}
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}
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