public virtual Solution Decode(IntegerVector intVec, PackingShape binShape, IList <PackingItem> items)
{
var sequenceMatrix = IntegerVectorProblem.GenerateSequenceMatrix(intVec);
Solution result = CreateSolution(binShape);
//Fill bins according to grouping vector
IList <int> remainingIDs = new List <int>();
foreach (var sequence in sequenceMatrix)
{
remainingIDs = remainingIDs.Concat(sequence).ToList();
result.Bins.Add(CreatePacking(result, ref remainingIDs, items));
}
result.UpdateBinPackings();
//Try to put remaining items in existing bins
var temp = new List <int>(remainingIDs);
foreach (int id in temp)
{
foreach (BinPacking2D bp in result.Bins)
{
var position = FindPositionForItem(bp, items[id]);
if (position != null)
{
bp.PackItem(id, items[id], position);
remainingIDs.Remove(id);
break;
}
}
}
//Put still remaining items in new bins
while (remainingIDs.Count > 0)
{
result.Bins.Add(CreatePacking(result, ref remainingIDs, items));
}
result.UpdateBinPackings();
// gkronber: original implementation by Helm also updates the encoded solution (TODO)
// var newSolution = new int[intVec.Length];
// int binIndex = 0;
// foreach (var bp in result.BinPackings) {
// foreach (var entry in bp.ItemPositions)
// newSolution[entry.Key] = binIndex;
// binIndex++;
// }
// solution.GroupingVector = new IntegerVector(newSolution);
return(result);
}
// cloning
private IntegerVectorProblem(IntegerVectorProblem original, Cloner cloner)
: base(original, cloner)
{
RegisterEventHandlers();
}