feat: add LeadInAssigner for auto-assigning lead-ins to plate parts

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
2026-03-30 13:26:43 -04:00
parent a2a19938d3
commit f34dce95da
2 changed files with 138 additions and 0 deletions
--- a/OpenNest.Engine/LeadInAssigner.cs
+++ b/OpenNest.Engine/LeadInAssigner.cs
@@ -0,0 +1,40 @@
+using OpenNest.Engine.Sequencing;
+using OpenNest.Geometry;
+using System.Linq;
+
+namespace OpenNest.Engine
+{
+    public class LeadInAssigner
+    {
+        public IPartSequencer Sequencer { get; set; }
+
+        public void Assign(Plate plate)
+        {
+            var parameters = plate.CuttingParameters;
+            if (parameters == null)
+                return;
+
+            var sequenced = Sequencer.Sequence(plate.Parts.ToList(), plate);
+            var currentPoint = PlateHelper.GetExitPoint(plate);
+
+            foreach (var sp in sequenced)
+            {
+                var part = sp.Part;
+
+                if (part.LeadInsLocked)
+                {
+                    currentPoint = part.Location;
+                    continue;
+                }
+
+                if (part.HasManualLeadIns)
+                    part.RemoveLeadIns();
+
+                var localApproach = currentPoint - part.Location;
+                part.ApplyLeadIns(parameters, localApproach);
+
+                currentPoint = part.Location;
+            }
+        }
+    }
+}