[14162] | 1 | #region License Information
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| 2 | /* HeuristicLab
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[15584] | 3 | * Copyright (C) 2002-2018 Joseph Helm and Heuristic and Evolutionary Algorithms Laboratory (HEAL)
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[14162] | 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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| 23 | using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
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| 24 | using HeuristicLab.Core;
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| 25 | using HeuristicLab.Common;
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| 26 |
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| 27 | namespace HeuristicLab.Problems.BinPacking2D {
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| 28 | [Item("Packing Position (2d)", "Represents a packing-position associated with a two dimensional packing-problem.")]
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| 29 | [StorableClass]
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| 30 | // PackingPosition is an immutable class (and handled as value type concerning Equals and GetHashCode())
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| 31 | public class PackingPosition : BinPacking.PackingPosition, IComparable<PackingPosition> {
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| 32 | [Storable]
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| 33 | private readonly int x;
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| 34 | public int X { get { return x; } }
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| 35 |
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| 36 | [Storable]
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| 37 | private readonly int y;
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| 38 | public int Y { get { return y; } }
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| 39 |
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| 40 | [StorableConstructor]
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| 41 | protected PackingPosition(bool deserializing) : base(deserializing) { }
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| 42 | protected PackingPosition(PackingPosition original, Cloner cloner)
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| 43 | : base(original, cloner) {
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| 44 | x = original.X;
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| 45 | y = original.Y;
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| 46 | }
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| 47 |
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| 48 | public PackingPosition(int assignedBin, int x, int y, bool rotated = false)
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| 49 | : base(assignedBin, rotated) {
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| 50 | this.x = x;
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| 51 | this.y = y;
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| 52 | }
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| 53 |
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| 54 | public override IDeepCloneable Clone(Cloner cloner) {
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| 55 | return new PackingPosition(this, cloner);
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| 56 | }
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| 57 |
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| 58 | public override string ToString() {
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| 59 | return string.Format("[AssignedBin: {0}; ({1},{2})]", AssignedBin, x, y);
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| 60 | }
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| 61 |
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| 62 | public override bool Equals(object obj) {
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| 63 | var other = obj as PackingPosition;
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| 64 | if (other != null)
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| 65 | return (other.X == this.X && other.Y == this.Y && base.Equals(other));
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| 66 | else return false;
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| 67 | }
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| 68 |
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| 69 | public override int GetHashCode() {
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| 70 | return base.GetHashCode() + 13 * X + 17 * Y;
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| 71 | }
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| 72 |
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| 73 | public static PackingPosition MoveLeft(PackingPosition original) {
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| 74 | return new PackingPosition(original.AssignedBin, original.X - 1, original.Y, original.Rotated);
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| 75 | }
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| 76 | public static PackingPosition MoveDown(PackingPosition original) {
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| 77 | return new PackingPosition(original.AssignedBin, original.X, original.Y - 1, original.Rotated);
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| 78 | }
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| 79 |
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| 80 | public static PackingPosition MoveRight(PackingPosition original) {
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| 81 | return new PackingPosition(original.AssignedBin, original.X + 1, original.Y, original.Rotated);
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| 82 | }
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| 83 | public static PackingPosition MoveUp(PackingPosition original) {
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| 84 | return new PackingPosition(original.AssignedBin, original.X, original.Y + 1, original.Rotated);
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| 85 | }
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| 86 |
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| 87 |
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| 88 | #region IComparable<PackingPosition> Members
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| 89 |
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| 90 | public int CompareTo(PackingPosition other) {
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| 91 | int result = X.CompareTo(other.X);
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| 92 | if (result == 0)
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| 93 | result = Y.CompareTo(other.Y);
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| 94 |
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| 95 | return result;
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| 96 | }
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| 97 |
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| 98 | #endregion
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| 99 | }
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| 100 | }
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