//writing mesh, material is now set to default but will be selected
//by layer or object, material definitions will be got from material table
public string writeMeshObject(MRhinoObjectMesh rhinoMesh, string materialName)
{
OnMesh mesh = new OnMesh();
mesh = rhinoMesh.GetMesh();
System.Globalization.CultureInfo ci = System.Globalization.CultureInfo.CreateSpecificCulture("en");
//use buffer for strings (much faster than string + string... )
StringBuilder buffer = new StringBuilder();
//materials
//IRhinoMaterial material = rhinoMesh.m_parent_object.ObjectMaterial();
//string materialName = material.m_material_id.ToString();
//mesh
int v_count = mesh.m_V.Count();
int f_count = mesh.m_F.Count();
buffer.Append(string.Format(ci, "<mesh vertices=\"{0}\" faces=\"{1}\" has_orco=\"off\" has_uv=\"false\" type=\"0\">", v_count, f_count));
buffer.Append(string.Format(ci, "<set_material sval=\"{0}\"/>", materialName));
//list verticles
foreach (On3fPoint v in mesh.m_V)
{
buffer.Append(string.Format(ci, " <p x=\"{0}\" y=\"{1}\" z=\"{2}\"/>", v.x, v.y, v.z));
v_count++;
}
//list faces
foreach (OnMeshFace f in mesh.m_F)
{
buffer.Append(string.Format(ci, " <f a=\"{0}\" b=\"{1}\" c=\"{2}\"/>\n", f.get_vi(0), f.get_vi(1), f.get_vi(2)));
//quad ?
if (!f.IsTriangle()) buffer.Append(string.Format(ci, " <f a=\"{0}\" b=\"{1}\" c=\"{2}\"/>\n", f.get_vi(0), f.get_vi(2), f.get_vi(3)));
f_count++;
}
buffer.Append(string.Format(ci, "</mesh>"));
mesh.Destroy();
return buffer.ToString();
}
/// <summary>
/// Rhino calls WriteFile() to write document geometry to an external file.
/// </summary>
public override int WriteFile(string filename, int index, ref MRhinoDoc doc, ref IRhinoFileWriteOptions options)
{
int rc = 0; // false
// Are we saving or exporting?
bool bExport = options.Mode(IRhinoFileWriteOptions.ModeFlag.SelectedMode);
// Are we in interactive or scripted mode?
bool bScript = options.Mode(IRhinoFileWriteOptions.ModeFlag.BatchMode);
List <IRhinoObject> objects = new List <IRhinoObject>();
// Get objects to save/export
MRhinoObjectIterator it = new MRhinoObjectIterator(doc, IRhinoObjectIterator.object_state.undeleted_objects);
if (bExport)
{
it.EnableSelectedFilter();
it.EnableVisibleFilter();
}
// Do the iteration...
MRhinoObject obj = null;
for (obj = it.First(); null != obj; obj = it.Next())
{
objects.Add(obj);
}
ArrayMRhinoObjectMesh meshes = new ArrayMRhinoObjectMesh(objects.Count);
OnMeshParameters mesh_parameters = _mesh_parameters;
int mesh_ui_style = (bScript) ? 2 : _mesh_ui_style;
// Get the meshes to save/export
IRhinoCommand.result res = RhUtil.RhinoMeshObjects(objects.ToArray(), ref mesh_parameters, ref mesh_ui_style, ref meshes);
if (res == IRhinoCommand.result.success)
{
if (mesh_ui_style >= 0 && mesh_ui_style <= 1)
{
_mesh_ui_style = mesh_ui_style;
}
_mesh_parameters = mesh_parameters;
}
else
{
if (bExport)
{
RhUtil.RhinoApp().Print("No meshes to export.\n");
}
else
{
RhUtil.RhinoApp().Print("No meshes to save.\n");
}
return(rc);
}
try
{
// Open the file
System.IO.StreamWriter file = new System.IO.StreamWriter(filename);
// Write mesh count
file.WriteLine(string.Format("meshcount={0}\n", meshes.Count()));
// Write each mesh
for (int i = 0; i < meshes.Count(); i++)
{
MRhinoObjectMesh obj_mesh = meshes[i];
OnMesh mesh = obj_mesh.GetMesh();
if (null != mesh)
{
// Write mesh number
file.WriteLine(string.Format("mesh={0}\n", i));
// Write mesh vertex count
file.WriteLine(string.Format("vertexcount={0}\n", mesh.m_V.Count()));
// Write mesh face count
file.WriteLine(string.Format("facecount={0}\n", mesh.m_F.Count()));
// Write mesh vertices
for (int vi = 0; vi < mesh.m_V.Count(); vi++)
{
On3fPoint p = mesh.m_V[vi];
file.WriteLine(string.Format("vertex=({0},{1},{2})\n", p.x, p.y, p.z));
}
// Write mesh faces
for (int fi = 0; fi < mesh.m_F.Count(); fi++)
{
OnMeshFace f = mesh.m_F[fi];
file.WriteLine(string.Format("face=({0},{1},{2},{3})\n", f.get_vi(0), f.get_vi(1), f.get_vi(2), f.get_vi(3)));
}
}
}
file.Close();
rc = 1; // true
}
catch (Exception e)
{
RhUtil.RhinoApp().Print(string.Format("{0}\n", e.Message));
}
return(rc);
}
