489 lines
No EOL
13 KiB
C#
489 lines
No EOL
13 KiB
C#
/*
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Copyright (c) 2019, 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.Diagnostics;
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using System.IO;
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using System.Linq;
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using System.Text.RegularExpressions;
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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.Platform;
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using MatterHackers.Agg.UI;
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using MatterHackers.DataConverters3D;
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using MatterHackers.MatterControl.DesignTools.Operations;
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using MatterHackers.MatterControl.PartPreviewWindow;
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using MatterHackers.PolygonMesh;
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using MatterHackers.PolygonMesh.Processors;
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using MatterHackers.VectorMath;
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using org.mariuszgromada.math.mxparser;
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namespace MatterHackers.MatterControl.DesignTools
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{
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[HideChildrenFromTreeView]
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[HideMeterialAndColor]
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[WebPageLink("Documentation", "Open", "https://matterhackers.com/support/mattercontrol-variable-support")]
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[MarkDownDescription("[BETA] - Experimental support for variables and equations with a sheets like interface.")]
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public class SheetObject3D : Object3D, IObject3DControlsProvider
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{
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private SheetData _sheetData;
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public SheetData SheetData
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{
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get => _sheetData;
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set
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{
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if (_sheetData != value)
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{
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if (_sheetData != null)
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{
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_sheetData.Recalculated -= SendInvalidateToAll;
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}
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_sheetData = value;
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_sheetData.Recalculated += SendInvalidateToAll;
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}
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}
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}
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public static async Task<SheetObject3D> Create()
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{
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var item = new SheetObject3D
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{
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SheetData = new SheetData(5, 5)
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};
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await item.Rebuild();
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return item;
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}
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public override Mesh Mesh
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{
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get
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{
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if (this.Children.Count == 0
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|| this.Children.Where(i => i.Mesh == null).Any())
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{
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this.Children.Modify((list) =>
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{
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list.Clear();
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Mesh border;
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using (Stream stlStream = StaticData.Instance.OpenStream(Path.Combine("Stls", "sheet_border.stl")))
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{
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border = StlProcessing.Load(stlStream, CancellationToken.None);
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}
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list.Add(new Object3D()
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{
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Mesh = border,
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Color = new Color("#9D9D9D")
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});
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Mesh boxes;
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using (Stream stlStream = StaticData.Instance.OpenStream(Path.Combine("Stls", "sheet_boxes.stl")))
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{
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boxes = StlProcessing.Load(stlStream, CancellationToken.None);
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}
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list.Add(new Object3D()
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{
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Mesh = boxes,
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Color = new Color("#117c43")
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});
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var aabb = border.GetAxisAlignedBoundingBox();
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this.Matrix *= Matrix4X4.CreateScale(20 / aabb.XSize);
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});
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}
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return null;
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}
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set => base.Mesh = value;
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}
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public SheetObject3D()
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{
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}
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public override bool Persistable => false;
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internal class UpdateItem
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{
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internal int depth;
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internal IObject3D item;
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internal RebuildLock rebuildLock;
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}
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private void SendInvalidateToAll(object s, EventArgs e)
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{
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var updateItems = new List<UpdateItem>();
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foreach (var sibling in this.Parent.Children)
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{
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if (sibling != this)
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{
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AddItemsToList(sibling, updateItems, 0);
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}
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}
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if (updateItems.Count == 0)
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{
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return;
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}
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// sort them
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updateItems.Sort((a, b) => a.depth.CompareTo(b.depth));
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// lock everything
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foreach (var depthItem in updateItems)
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{
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depthItem.rebuildLock = depthItem.item.RebuildLock();
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}
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// and send the invalidate
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RunningInterval runningInterval = null;
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void RebuildWhenUnlocked()
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{
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// get the last item from the list
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var index = updateItems.Count - 1;
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var updateItem = updateItems[index];
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// if it is locked from above
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if (updateItem.rebuildLock != null)
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{
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// release the lock and rebuild
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// and ask it to update
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var depthToBuild = updateItem.depth;
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for (int i = 0; i < updateItems.Count; i++)
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{
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if (updateItems[i].depth == updateItem.depth)
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{
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updateItems[i].rebuildLock.Dispose();
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updateItems[i].rebuildLock = null;
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updateItems[i].item.Invalidate(new InvalidateArgs(this, InvalidateType.SheetUpdated));
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}
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}
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}
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else if (updateItems.Where(i => i.depth == updateItem.depth && i.item.RebuildLocked).Any())
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{
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// wait for the current rebuild to end
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return;
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}
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else
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{
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// remove all items at this level
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for (int i = updateItems.Count - 1; i >= 0; i--)
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{
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if (updateItems[i].depth == updateItem.depth)
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{
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updateItems.RemoveAt(i);
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}
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}
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}
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if (updateItems.Count == 0)
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{
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UiThread.ClearInterval(runningInterval);
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}
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}
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// rebuild depth first
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runningInterval = UiThread.SetInterval(RebuildWhenUnlocked, .01);
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}
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private void AddItemsToList(IObject3D inItem, List<UpdateItem> updatedItems, int inDepth)
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{
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// process depth first
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foreach(var child in inItem.Children)
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{
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AddItemsToList(child, updatedItems, inDepth + 1);
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}
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updatedItems.Add(new UpdateItem()
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{
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depth = inDepth,
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item = inItem
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});
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}
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private static readonly Regex ConstantFinder = new Regex("(?<=\\[).+?(?=\\])", RegexOptions.CultureInvariant | RegexOptions.Compiled);
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private static Random rand = new Random();
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private static Dictionary<string, Func<IObject3D, double>> constants = new Dictionary<string, Func<IObject3D, double>>()
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{
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// length
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["cm"] = (owner) => 10,
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["m"] = (owner) => 1000,
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["inch"] = (owner) => 25.4,
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["ft"] = (owner) => 304.8,
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// math constant
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["pi"] = (owner) => Math.PI,
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["tau"] = (owner) => Math.PI * 2,
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["e"] = (owner) => Math.E,
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// functions
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["rand"] = (owner) => rand.NextDouble(),
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// array function
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["index"] = (owner) => RetrieveArrayIndex(owner, 0),
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["index0"] = (owner) => RetrieveArrayIndex(owner, 0),
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["index1"] = (owner) => RetrieveArrayIndex(owner, 1),
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["index2"] = (owner) => RetrieveArrayIndex(owner, 2),
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};
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private static ArrayObject3D FindParentArray(IObject3D item, int level)
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{
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// look through all the parents
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foreach (var parent in item.Parents())
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{
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// then each child of any give parent
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foreach (var sibling in parent.Children)
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{
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// if it is a sheet
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if (sibling != item
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&& sibling is SheetObject3D sheet)
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{
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return sheet;
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}
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}
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}
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return null;
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}
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private static double RetrieveArrayIndex(IObject3D owner, int level)
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{
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throw new NotImplementedException();
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}
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private static string ReplaceConstantsWithValues(IObject3D owner, string stringWithConstants)
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{
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string Replace(string inputString, string setting)
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{
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if (constants.ContainsKey(setting))
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{
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var value = constants[setting];
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// braces then brackets replacement
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inputString = inputString.Replace("[" + setting + "]", value(owner).ToString());
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}
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return inputString;
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}
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MatchCollection matches = ConstantFinder.Matches(stringWithConstants);
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for (int i = 0; i < matches.Count; i++)
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{
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var replacementTerm = matches[i].Value;
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stringWithConstants = Replace(stringWithConstants, replacementTerm);
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}
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return stringWithConstants;
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}
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public static T EvaluateExpression<T>(IObject3D owner, string inputExpression)
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{
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var printer = owner.ContainingPrinter();
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if (printer != null)
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{
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inputExpression = printer.Settings.ReplaceSettingsNamesWithValues(inputExpression, false);
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}
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inputExpression = ReplaceConstantsWithValues(owner, inputExpression);
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// check if the expression is not an equation (does not start with "=")
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if (inputExpression.Length > 0 && inputExpression[0] != '=')
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{
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if (typeof(T) == typeof(string))
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{
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return (T)(object)inputExpression;
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}
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// not an equation so try to parse it directly
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if (double.TryParse(inputExpression, out var result))
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{
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if (typeof(T) == typeof(double))
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{
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return (T)(object)result;
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}
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if (typeof(T) == typeof(int))
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{
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return (T)(object)(int)Math.Round(result);
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}
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}
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else
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{
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if (typeof(T) == typeof(double))
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{
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return (T)(object)0.0;
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}
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if (typeof(T) == typeof(int))
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{
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return (T)(object)0;
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}
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}
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}
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if (inputExpression.Length > 0 && inputExpression[0] == '=')
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{
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inputExpression = inputExpression.Substring(1);
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}
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// look through all the parents
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var sheet = FindFirstSheet(owner);
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if (sheet != null)
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{
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// try to manage the cell into the correct data type
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string value = sheet.SheetData.EvaluateExpression(inputExpression);
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return CastResult<T>(value, inputExpression);
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}
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// could not find a sheet, try to evaluate the expression directly
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var evaluator = new Expression(inputExpression.ToLower());
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if(evaluator.checkSyntax())
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{
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Debug.WriteLine(evaluator.getErrorMessage());
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}
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return CastResult<T>(evaluator.calculate().ToString(), inputExpression);
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}
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/// <summary>
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/// Find the sheet that the given item will reference
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/// </summary>
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/// <param name="item">The item to start the search from</param>
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/// <returns></returns>
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private static SheetObject3D FindFirstSheet(IObject3D item)
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{
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// look through all the parents
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foreach (var parent in item.Parents())
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{
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// then each child of any give parent
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foreach (var sibling in parent.Children)
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{
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// if it is a sheet
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if (sibling != item
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&& sibling is SheetObject3D sheet)
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{
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return sheet;
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}
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}
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}
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return null;
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}
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/// <summary>
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/// Check if there are any references from the item to the sheet.
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/// </summary>
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/// <param name="itemToCheck">The item to validate editable properties on</param>
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/// <param name="sheetToCheck">The sheet to check if this object references</param>
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/// <returns></returns>
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public static bool NeedsRebuild(IObject3D itemToCheck, InvalidateArgs invalidateArgs)
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{
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if (!invalidateArgs.InvalidateType.HasFlag(InvalidateType.SheetUpdated))
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{
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return false;
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}
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if (invalidateArgs.Source is SheetObject3D sheet)
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{
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// Check if the sheet is the first sheet parent of this item (if not it will not change it's data).
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if (FindFirstSheet(itemToCheck) == sheet)
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{
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return HasParametersWithActiveFunctions(itemToCheck);
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}
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}
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return false;
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}
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public static bool HasParametersWithActiveFunctions(IObject3D itemToCheck)
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{
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foreach (var item in itemToCheck.DescendantsAndSelf())
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{
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// Find all the OrReference properties on this item and check if any start with an '='.
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foreach (var property in PublicPropertyEditor.GetEditablePropreties(item))
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{
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var propertyValue = property.Value;
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if (propertyValue is IDirectOrExpression directOrExpression)
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{
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if (directOrExpression.Expression.StartsWith("="))
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{
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// WIP: check if the value has actually changed, this will update every object on any cell change
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return true;
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}
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}
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}
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}
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return false;
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}
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public static T CastResult<T>(string value, string inputExpression)
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{
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if (typeof(T) == typeof(string))
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{
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// if parsing the equation resulted in NaN as the output
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if (value == "NaN")
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{
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// return the actual expression
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return (T)(object)inputExpression;
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}
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// get the value of the cell
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return (T)(object)value;
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}
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if (typeof(T) == typeof(double))
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{
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if (double.TryParse(value, out double doubleValue)
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&& !double.IsNaN(doubleValue)
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&& !double.IsInfinity(doubleValue))
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{
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return (T)(object)doubleValue;
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}
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// else return an error
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return (T)(object).1;
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}
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if (typeof(T) == typeof(int))
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{
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if (double.TryParse(value, out double doubleValue)
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&& !double.IsNaN(doubleValue)
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&& !double.IsInfinity(doubleValue))
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{
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return (T)(object)(int)Math.Round(doubleValue);
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}
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// else return an error
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return (T)(object)1;
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}
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return (T)(object)default(T);
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}
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public void AddObject3DControls(Object3DControlsLayer object3DControlsLayer)
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{
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}
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}
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} |