[9348] | 1 | #region License Information
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| 2 | /* HeuristicLab
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[13032] | 3 | * Copyright (C) 2002-2015 Joseph Helm and Heuristic and Evolutionary Algorithms Laboratory (HEAL)
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[9348] | 4 | *
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| 5 | * This file is part of HeuristicLab.
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| 6 | *
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| 7 | * HeuristicLab is free software: you can redistribute it and/or modify
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| 8 | * it under the terms of the GNU General Public License as published by
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| 9 | * the Free Software Foundation, either version 3 of the License, or
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| 10 | * (at your option) any later version.
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| 11 | *
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| 12 | * HeuristicLab is distributed in the hope that it will be useful,
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| 13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 15 | * GNU General Public License for more details.
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| 16 | *
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| 17 | * You should have received a copy of the GNU General Public License
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| 18 | * along with HeuristicLab. If not, see <http://www.gnu.org/licenses/>.
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| 19 | */
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| 20 | #endregion
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| 21 |
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| 22 | using System;
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[13497] | 23 | using System.Diagnostics;
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[9348] | 24 | using HeuristicLab.Problems.BinPacking.Interfaces;
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| 25 | using HeuristicLab.Core;
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| 26 | using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
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| 27 | using HeuristicLab.Common;
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| 28 | using HeuristicLab.Problems.BinPacking.Dimensions;
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| 29 |
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| 30 | namespace HeuristicLab.Problems.BinPacking.Shapes {
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| 31 | [Item("CuboidPackingShape", "Represents the cuboid measures (width, height, depth) of a three-dimensional cuboidic bin-packing object.")]
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| 32 | [StorableClass]
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| 33 | public abstract class CuboidPackingShape : PackingShape<ThreeDimensionalPacking>, IRegularPackingShape, IComparable<CuboidPackingShape> {
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[13461] | 34 | #region Properties
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[9348] | 35 | /// <summary>
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| 36 | /// Describes the size on the X-axis
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| 37 | /// </summary>
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| 38 | [Storable]
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| 39 | public int Width { get; set; }
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| 40 | /// <summary>
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| 41 | /// Describes the size on the Y-axis
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| 42 | /// </summary>
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| 43 | [Storable]
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| 44 | public int Height { get; set; }
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| 45 | /// <summary>
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| 46 | /// Describes the size on the Z-axis
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| 47 | /// </summary>
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| 48 | [Storable]
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| 49 | public int Depth { get; set; }
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| 50 | #endregion
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| 51 |
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| 52 | #region Helpers
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[9593] | 53 | public override ThreeDimensionalPacking Origin { get { return new ThreeDimensionalPacking(0, 0, 0, 0); } }
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| 54 | public override int MultipliedMeasures { get { return Width * Height * Depth; } }
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[9596] | 55 |
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| 56 | public override bool EnclosesPoint(ThreeDimensionalPacking myPosition, ThreeDimensionalPacking checkedPoint) {
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[9599] | 57 | return (myPosition.X <= checkedPoint.X &&
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| 58 | (myPosition.X + (myPosition.Rotated ? Depth : Width) - 1) >= checkedPoint.X &&
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| 59 | myPosition.Y <= checkedPoint.Y &&
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| 60 | (myPosition.Y + Height - 1) >= checkedPoint.Y &&
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| 61 | myPosition.Z <= checkedPoint.Z &&
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| 62 | (myPosition.Z + (myPosition.Rotated ? Width : Depth) - 1) >= checkedPoint.Z);
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[9596] | 63 | }
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[9348] | 64 | public override bool Encloses(ThreeDimensionalPacking checkedPosition, PackingShape<ThreeDimensionalPacking> checkedShape) {
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[13461] | 65 | return Encloses(checkedPosition, (CuboidPackingShape)checkedShape);
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[9348] | 66 | }
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| 67 | private bool Encloses(ThreeDimensionalPacking checkedPosition, CuboidPackingShape checkedShape) {
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| 68 | return Encloses(new CuboidDiagonal(this), new CuboidDiagonal(checkedPosition, checkedShape));
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[13461] | 69 | }
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[9348] | 70 | private bool Encloses(CuboidDiagonal c1, CuboidDiagonal c2) {
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| 71 | return (c1.x1 <= c2.x1 &&
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| 72 | c1.x2 >= c2.x2 &&
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| 73 | c1.y1 <= c2.y1 &&
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| 74 | c1.y2 >= c2.y2 &&
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| 75 | c1.z1 <= c2.z1 &&
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| 76 | c1.z2 >= c2.z2);
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| 77 | }
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| 78 |
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| 79 | public override bool Overlaps(ThreeDimensionalPacking myPosition, ThreeDimensionalPacking checkedPosition, PackingShape<ThreeDimensionalPacking> checkedShape) {
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| 80 | return Overlaps(myPosition, checkedPosition, (CuboidPackingShape)checkedShape);
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| 81 | }
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| 82 | private bool Overlaps(ThreeDimensionalPacking myPosition, ThreeDimensionalPacking checkedPosition, CuboidPackingShape checkedShape) {
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| 83 | return Overlaps(new CuboidDiagonal(myPosition, this), new CuboidDiagonal(checkedPosition, checkedShape));
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| 84 | }
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| 85 | private bool Overlaps(CuboidDiagonal c1, CuboidDiagonal c2) {
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[9599] | 86 | return !(c1.x1 > c2.x2 ||
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[13461] | 87 | c1.y1 > c2.y2 ||
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[9599] | 88 | c1.z1 > c2.z2 ||
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| 89 | c1.x2 < c2.x1 ||
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| 90 | c1.y2 < c2.y1 ||
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| 91 | c1.z2 < c2.z1);
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[9348] | 92 | }
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| 93 |
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| 94 | public void ApplyHorizontalOrientation() {
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| 95 | if (Width > Depth) {
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| 96 | var aux = Width;
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| 97 | Width = Depth;
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| 98 | Depth = aux;
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| 99 | }
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| 100 | }
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[13461] | 101 | #endregion
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[9348] | 102 |
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[13461] | 103 | protected CuboidPackingShape(int width, int height, int depth)
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| 104 | : base() {
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[9348] | 105 | this.Width = width;
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| 106 | this.Height = height;
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| 107 | this.Depth = depth;
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| 108 | }
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| 109 |
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| 110 | public override void InitializeFromMeasures(int[] measures) {
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| 111 | if (measures.Length != 3)
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[13461] | 112 | throw new InvalidOperationException("Nr of measures does not fit shape-dimension.");
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[9348] | 113 | this.Width = measures[0];
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| 114 | this.Height = measures[1];
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| 115 | this.Depth = measures[2];
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| 116 | }
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| 117 | public override int[] ToArray() {
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| 118 | return new int[] { Width, Height, Depth };
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| 119 | }
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| 120 |
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| 121 | [StorableConstructor]
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| 122 | protected CuboidPackingShape(bool deserializing) : base(deserializing) { }
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| 123 | protected CuboidPackingShape(CuboidPackingShape original, Cloner cloner)
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| 124 | : base(original, cloner) {
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| 125 | this.Width = original.Width;
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| 126 | this.Height = original.Height;
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| 127 | this.Depth = original.Depth;
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| 128 | }
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| 129 |
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[13461] | 130 | protected CuboidPackingShape() : base() { }
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| 131 |
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[9348] | 132 | public override string ToString() {
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| 133 | return String.Format("CuboidPackingShape ({0}, {1}, {2})", this.Width, this.Height, this.Depth);
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| 134 | }
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| 135 |
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| 136 | #region IComparable Members
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| 137 |
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| 138 | public int CompareTo(CuboidPackingShape other) {
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| 139 | //Using "Clustered-Area-Height"-comparison as descr
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| 140 |
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[13461] | 141 | int result = (this.Width * this.Depth).CompareTo(other.Width * other.Depth);
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| 142 |
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| 143 | if (result == 0)
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| 144 | result = this.MultipliedMeasures.CompareTo(other.MultipliedMeasures);
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| 145 | if (result == 0)
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| 146 | result = this.Height.CompareTo(other.Height);
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[9348] | 147 | return result;
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[13461] | 148 | }
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[9348] | 149 |
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| 150 | public int CompareTo(object obj) {
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[13497] | 151 | var other = (CuboidPackingShape)obj;
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| 152 | if (other != null) return CompareTo(other);
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| 153 | else throw new ArgumentException(string.Format("Cannot compare with object {0}", obj), "obj");
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[9348] | 154 | }
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| 155 |
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[13461] | 156 | #endregion
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[9348] | 157 |
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| 158 | private struct CuboidDiagonal {
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| 159 | public int x1;
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| 160 | public int y1;
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| 161 | public int z1;
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| 162 | public int x2;
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| 163 | public int y2;
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| 164 | public int z2;
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| 165 | public CuboidDiagonal(CuboidPackingShape myShape) : this(new ThreeDimensionalPacking(0, 0, 0, 0), myShape) { }
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| 166 | public CuboidDiagonal(ThreeDimensionalPacking myPosition, CuboidPackingShape myShape) {
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| 167 | x1 = myPosition.X;
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| 168 | y1 = myPosition.Y;
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| 169 | z1 = myPosition.Z;
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[9599] | 170 | x2 = myPosition.X + (myPosition.Rotated ? myShape.Depth : myShape.Width) - 1;
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| 171 | y2 = myPosition.Y + myShape.Height - 1;
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| 172 | z2 = myPosition.Z + (myPosition.Rotated ? myShape.Width : myShape.Depth) - 1;
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[9348] | 173 | }
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| 174 | }
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| 175 | }
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| 176 | }
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