mattercontrol/MatterControlLib/SlicerConfiguration/Slicer.cs

/*
Copyright (c) 2019, Lars Brubaker, John Lewin
All rights reserved.

Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:

1. Redistributions of source code must retain the above copyright notice, this
   list of conditions and the following disclaimer.
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   this list of conditions and the following disclaimer in the documentation
   and/or other materials provided with the distribution.

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
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(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

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of the authors and should not be interpreted as representing official policies,
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*/

using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Threading;
using System.Threading.Tasks;
using MatterHackers.Agg;
using MatterHackers.DataConverters3D;
using MatterHackers.PolygonMesh;

namespace MatterHackers.MatterControl.SlicerConfiguration
{
	public static class Slicer
	{
		public static List<bool> ExtrudersUsed = new List<bool>();

		public static bool RunInProcess { get; set; } = false;

		public static void GetExtrudersUsed(List<bool> extrudersUsed, IEnumerable<IObject3D> printableItems, PrinterSettings settings, bool checkForMeshFile)
		{
			extrudersUsed.Clear();

			if (!printableItems.Any())
			{
				return;
			}

			int extruderCount = settings.GetValue<int>(SettingsKey.extruder_count);
			// Make sure we only consider 1 extruder if in spiral vase mode
			if (settings.GetValue<bool>(SettingsKey.spiral_vase)
				&& extrudersUsed.Count(used => used == true) > 1)
			{
				extruderCount = 1;
			}

			for (int extruderIndex = 0; extruderIndex < extruderCount; extruderIndex++)
			{
				extrudersUsed.Add(false);
			}

			// If we have support enabled and are using an extruder other than 0 for it
			if (printableItems.Any(i => i.WorldOutputType() == PrintOutputTypes.Support))
			{
				if (settings.GetValue<int>(SettingsKey.support_material_extruder) != 0)
				{
					int supportExtruder = Math.Max(0, Math.Min(extruderCount - 1, settings.GetValue<int>(SettingsKey.support_material_extruder)));
					extrudersUsed[supportExtruder] = true;
				}

				if (settings.GetValue<int>(SettingsKey.support_material_interface_extruder) != 0)
				{
					int supportExtruder = Math.Max(0, Math.Min(extruderCount - 1, settings.GetValue<int>(SettingsKey.support_material_interface_extruder)));
					extrudersUsed[supportExtruder] = true;
				}
			}

			// If we have raft enabled and are using an extruder other than 0 for it
			if (settings.GetValue<bool>(SettingsKey.create_raft))
			{
				if (settings.GetValue<int>(SettingsKey.raft_extruder) != 0)
				{
					int raftExtruder = Math.Max(0, Math.Min(extruderCount - 1, settings.GetValue<int>(SettingsKey.raft_extruder) - 1));
					extrudersUsed[raftExtruder] = true;
				}
			}

			for (int extruderIndex = 0; extruderIndex < extruderCount; extruderIndex++)
			{
				IEnumerable<IObject3D> itemsThisExtruder = GetSolidsForExtruder(printableItems, extruderCount, extruderIndex, checkForMeshFile);
				extrudersUsed[extruderIndex] |= itemsThisExtruder.Any();
			}
		}

		public static bool T1OrGreaterUsed(PrinterConfig printer)
		{
			var scene = printer.Bed.Scene;

			var extrudersUsed = new List<bool>();
			Slicer.GetExtrudersUsed(extrudersUsed, printer.PrintableItems(scene), printer.Settings, false);

			for (int i = 1; i < extrudersUsed.Count; i++)
			{
				if (extrudersUsed[i])
				{
					return true;
				}
			}

			return false;
		}

		public static IEnumerable<IObject3D> GetSolidsForExtruder(IEnumerable<IObject3D> meshItemsOnBuildPlate, int extruderCount, int extruderIndex, bool checkForMeshFile)
		{
			var itemsThisExtruder = meshItemsOnBuildPlate.Where((item) =>
			{
				var outputType = item.WorldOutputType();
				var material = item.WorldMaterialIndex();

				return (!checkForMeshFile 
					|| File.Exists(item.MeshPath) // Drop missing files
					|| File.Exists(Path.Combine(Object3D.AssetsPath, item.MeshPath)))
					&& (material == extruderIndex || (extruderIndex == 0 && (material >= extruderCount || material == -1)))
					&& (outputType == PrintOutputTypes.Solid || outputType == PrintOutputTypes.Default);
			});

			return itemsThisExtruder;
		}

		public static IEnumerable<IObject3D> GetAllHoles(IEnumerable<IObject3D> meshItemsOnBuildPlate)
		{
			var itemsThisExtruder = meshItemsOnBuildPlate.Where((item) =>
			{
				var outputType = item.WorldOutputType();
				var material = item.WorldMaterialIndex();

				return (File.Exists(item.MeshPath) // Drop missing files
					|| File.Exists(Path.Combine(Object3D.AssetsPath, item.MeshPath)))
					&& outputType == PrintOutputTypes.Hole;
			});

			return itemsThisExtruder;
		}

		public static Task<bool> SliceItem(IObject3D object3D, string gcodeFilePath, PrinterConfig printer, IProgress<ProgressStatus> progressReporter, CancellationToken cancellationToken)
		{
			return printer.Settings.Slicer.Slice(printer.PrintableItems(object3D), printer.Settings, gcodeFilePath, progressReporter, cancellationToken);
		}
	}
}