public static bool WriteFile()

in unity/Assets/Scripts/pb_Stl/pb_Stl.cs [41:113]
56 lines of code
8 McCabe index (conditional complexity)

		public static bool WriteFile(string path, IList<Mesh> meshes, FileType type = FileType.Ascii, bool convertToRightHandedCoordinates = true)
		{
			try
			{
				switch(type)
				{
					case FileType.Binary:
					{
						// http://paulbourke.net/dataformats/stl/
						// http://www.fabbers.com/tech/STL_Format
						using (BinaryWriter writer = new BinaryWriter(File.Open(path, FileMode.Create), new ASCIIEncoding()))
						{
							// 80 byte header
							writer.Write(new byte[80]);

							uint totalTriangleCount = (uint) (meshes.Sum(x => x.triangles.Length) / 3);

							// unsigned long facet count (4 bytes)
							writer.Write( totalTriangleCount );

							foreach(Mesh mesh in meshes)
							{
								Vector3[] v = convertToRightHandedCoordinates ? Left2Right(mesh.vertices) : mesh.vertices;
								Vector3[] n = convertToRightHandedCoordinates ? Left2Right(mesh.normals) : mesh.normals;
								int[] t = mesh.triangles;
								int triangleCount = t.Length;
								if(convertToRightHandedCoordinates)
									System.Array.Reverse(t);

								for(int i = 0; i < triangleCount; i += 3)
								{
									int a = t[i], b = t[i+1], c = t[i+2];

									Vector3 avg = AvgNrm(n[a], n[b], n[c]);

									writer.Write(avg.x);
									writer.Write(avg.y);
									writer.Write(avg.z);

									writer.Write(v[a].x);
									writer.Write(v[a].y);
									writer.Write(v[a].z);

									writer.Write(v[b].x);
									writer.Write(v[b].y);
									writer.Write(v[b].z);

									writer.Write(v[c].x);
									writer.Write(v[c].y);
									writer.Write(v[c].z);

									// specification says attribute byte count should be set to 0.
									writer.Write( (ushort)0 );
								}
							}
						}
					}
					break;

					default:
						string model = WriteString(meshes);
						File.WriteAllText(path, model);
						break;
				}
			}
			catch(System.Exception e)
			{
				UnityEngine.Debug.LogError(e.ToString());
				return false;
			}

			return true;
		}