Files
OpenNest/OpenNest.Engine/Jobs/Placement/Fillers/PlateFillerBase.cs
T

122 lines
3.2 KiB
C#

using System;
using System.Collections.Generic;
using System.Threading;
using OpenNest.Engine;
using OpenNest.Engine.Fill;
using OpenNest.Engine.Strategies;
using OpenNest.Geometry;
namespace OpenNest.Engine.Jobs.Placement.Fillers;
internal abstract class PlateFillerBase
{
private IFillComparer comparer;
protected PlateFillerBase(Plate plate)
{
Plate = plate;
}
public Plate Plate { get; }
public int PlateNumber { get; set; }
public NestDirection NestDirection { get; set; }
public NestPhase WinnerPhase { get; protected set; }
public List<PhaseResult> PhaseResults { get; } = new();
public List<AngleResult> AngleResults { get; } = new();
protected IFillComparer Comparer => comparer ??= CreateComparer();
protected virtual IFillComparer CreateComparer() => new DefaultFillComparer();
public virtual NestDirection? PreferredDirection => null;
public virtual ShrinkAxis TrimAxis => ShrinkAxis.Width;
public virtual List<double> BuildAngles(
NestItem item,
ClassificationResult classification,
Box workArea
)
{
return new List<double>
{
classification.PrimaryAngle,
classification.PrimaryAngle + OpenNest.Math.Angle.HalfPI,
};
}
protected virtual void RecordProductiveAngles(List<AngleResult> angleResults) { }
protected FillPolicy BuildPolicy() => new(Comparer, PreferredDirection);
protected string BuildProgressSummary() => BuildProgressSummary(PhaseResults);
private static string BuildProgressSummary(IReadOnlyList<PhaseResult> phaseResults)
{
if (phaseResults.Count == 0)
return null;
var parts = new List<string>(phaseResults.Count);
foreach (var result in phaseResults)
parts.Add($"{result.Phase.ShortName()}: {result.PartCount}");
return string.Join(" | ", parts);
}
protected bool IsBetterFill(List<Part> candidate, List<Part> current, Box workArea) =>
Comparer.IsBetter(candidate, current, workArea);
public virtual List<Part> Fill(
NestItem item,
Box workArea,
IProgress<NestProgress> progress,
CancellationToken token
)
{
return new List<Part>();
}
public virtual List<Part> Fill(
List<Part> groupParts,
Box workArea,
IProgress<NestProgress> progress,
CancellationToken token
)
{
return new List<Part>();
}
public virtual List<Part> PackArea(
Box box,
List<NestItem> items,
IProgress<NestProgress> progress,
CancellationToken token
)
{
return new List<Part>();
}
public virtual List<Part> Nest(
List<NestItem> items,
IProgress<NestProgress> progress,
CancellationToken token
)
{
return PlateFillOrchestrator.Nest(
Plate,
items,
Comparer,
(item, workArea, sink, cancellation) => Fill(item, workArea, sink, cancellation),
(workArea, packItems, sink, cancellation) =>
PackArea(workArea, packItems, sink, cancellation),
progress,
token
);
}
}