Dwg entity mesh

ACadSharp/Entities/Mesh.Edge.cs

@@ -19,6 +19,17 @@ public struct Edge
  /// </summary>
  public double? Crease { get; set; }
 
+ /// <summary>
+ /// Edge constructor with the start and end of the edge.
+ /// </summary>
+ /// <param name="start"></param>
+ /// <param name="end"></param>
+ public Edge(int start, int end)
+ {
+ this.Start = start;
+ this.End = end;
+ }
+
  public override string ToString()
  {
  string str = $"{this.Start}|{this.End}";

ACadSharp/IO/DWG/DwgStreamReaders/DwgObjectReader.cs

@@ -3316,7 +3316,7 @@ private CadTemplate readMultiLeaderStyle()
  mLeaderStyle.TextAngle = (TextAngleType)this._objectReader.ReadBitShort();
 
  } // END IF IsNewFormat OR DXF file
- // BS 176 Text alignment type
+  // BS 176 Text alignment type
  mLeaderStyle.TextAlignment = (TextAlignmentType)this._objectReader.ReadBitShort();
  // CMC 93 Text color
  mLeaderStyle.TextColor = this._mergedReaders.ReadCmColor();
@@ -3329,7 +3329,7 @@ private CadTemplate readMultiLeaderStyle()
  // B 297 Always align text left
  mLeaderStyle.TextAlignAlwaysLeft = this._objectReader.ReadBit();
  }// END IF IsNewFormat OR DXF file
- // BD 46 Align space
+  // BD 46 Align space
  mLeaderStyle.AlignSpace = this._objectReader.ReadBitDouble();
  // H 343 Block handle (hard pointer)
  template.BlockContentHandle = this.handleReference();
@@ -5347,20 +5347,61 @@ private CadTemplate readMesh()
  Mesh mesh = new Mesh();
  CadMeshTemplate template = new CadMeshTemplate(mesh);
 
-#if TEST
  this.readCommonEntityData(template);
 
  //Same order as dxf?
 
  //71 BS Version
  mesh.Version = this._objectReader.ReadBitShort();
  //72 BS BlendCrease
- mesh.BlendCrease = this._objectReader.ReadBitShort();
+ mesh.BlendCrease = this._objectReader.ReadBit();
+ //91 BL SubdivisionLevel
+ mesh.SubdivisionLevel = this._objectReader.ReadBitLong();
 
- var dict = DwgStreamReaderBase.Explore(this._objectReader);
-#endif
+ //92 BL nvertices
+ int nvertices = this._objectReader.ReadBitLong();
+ for (int i = 0; i < nvertices; i++)
+ {
+ //10 3BD vertice
+ XYZ v = this._objectReader.Read3BitDouble();
+ mesh.Vertices.Add(v);
+ }
 
- return null;
+ //Faces
+ int nfaces = this._objectReader.ReadBitLong();
+ for (int i = 0; i < nfaces; i++)
+ {
+ int faceSize = _objectReader.ReadBitLong();
+ int[] arr = new int[faceSize];
+ for (int j = 0; j < faceSize; j++)
+ {
+ arr[j] = _objectReader.ReadBitLong();
+ }
+
+ i += faceSize;
+
+ mesh.Faces.Add(arr.ToArray());
+ }
+
+ //Edges
+ int nedges = _objectReader.ReadBitLong();
+ for (int k = 0; k < nedges; k++)
+ {
+ int start = _objectReader.ReadBitLong();
+ int end = _objectReader.ReadBitLong();
+ mesh.Edges.Add(new Mesh.Edge(start, end));
+ }
+
+ //Crease
+ int ncrease = _objectReader.ReadBitLong();
+ for (int l = 0; l < ncrease; l++)
+ {
+ Mesh.Edge edge = mesh.Edges[l];
+ edge.Crease = _objectReader.ReadBitDouble();
+ mesh.Edges[l] = edge;
+ }
+
+ return template;
  }
 
  private CadTemplate readPlaceHolder()