70 lines
2.1 KiB
C#
70 lines
2.1 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Linq;
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namespace SawCut.Nesting
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{
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public class MultiBinEngine : IEngine
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{
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public List<MultiBin> Bins { get; set; }
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public double Spacing { get; set; }
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public Result Pack(List<BinItem> items)
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{
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var bins = Bins
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.Where(b => b.Length > 0)
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.OrderBy(b => b.Priority)
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.ThenBy(b => b.Length)
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.ToList();
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var result = new Result();
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var remainingItems = new List<BinItem>(items);
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foreach (var bin in bins)
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{
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var e = new AdvancedFitEngine();
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e.MaxBinCount = bin.Quantity;
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e.StockLength = bin.Length;
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e.Spacing = Spacing;
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var r = e.Pack(remainingItems);
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result.Bins.AddRange(r.Bins);
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remainingItems = r.ItemsNotUsed;
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}
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result.ItemsNotUsed = remainingItems;
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// sanity check
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//var itemsNested = result.Bins.SelectMany(b => b.Items).ToList();
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//var lengths = items.Select(i => i.Length).Distinct();
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//foreach (var length in lengths)
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//{
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// var nameLengthGroups1 = items.Where(i => i.Length == length).GroupBy(i => i.Name).ToList();
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// var nameLengthGroups2 = itemsNested.Where(i => i.Length == length).GroupBy(i => i.Name).ToList();
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// foreach (var group in nameLengthGroups1)
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// {
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// var name = group.Key;
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// var nestedWithSameName = nameLengthGroups2.FirstOrDefault(g => g.Key == group.Key);
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// if (group.Count() != nestedWithSameName.Count())
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// {
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// throw new Exception("Failed sanity check.");
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// }
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// }
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// if (nameLengthGroups1.Count() != nameLengthGroups2.Count())
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// {
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// throw new Exception("Failed sanity check.");
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// }
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//}
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return result;
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}
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}
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} |