CRhinoCommand::result CCommandSampleConvertQuadsToTriangles::RunCommand( const CRhinoCommandContext& context )
{
CRhinoGetObject go;
go.SetCommandPrompt( L"Select meshes to convert" );
go.SetGeometryFilter( CRhinoObject::mesh_object );
if( go.GetObjects(1,0) != CRhinoGet::object )
return CRhinoCommand::cancel;
CRhinoGetOption gs;
gs.AcceptNothing();
gs.SetCommandPrompt( L"Delete input?" );
gs.SetDefaultString( (m_delete_input)?L"Yes":L"No" );
int n_index = gs.AddCommandOption( RHCMDOPTNAME(L"No") );
int y_index = gs.AddCommandOption( RHCMDOPTNAME(L"Yes") );
switch( gs.GetOption() )
{
case CRhinoGet::option:
if( gs.Option()->m_option_index == n_index )
m_delete_input = false;
else
m_delete_input = true;
break;
case CRhinoGet::string:
case CRhinoGet::nothing:
break;
default:
return CRhinoCommand::cancel;
}
int num_converted = 0;
for( int i = 0; i < go.ObjectCount(); i++ )
{
CRhinoObjRef objref = go.Object(i);
if( const CRhinoObject* pObject = objref.Object() )
{
if( const ON_Mesh* pMesh = ON_Mesh::Cast(pObject->Geometry()) )
{
ON_Mesh mesh(*pMesh);
if( mesh.QuadCount() <= 0 )
continue;
if( !mesh.ConvertQuadsToTriangles() )
continue;
const CRhinoMeshObject* mesh_object = NULL;
if( m_delete_input )
mesh_object = context.m_doc.ReplaceObject( objref, mesh );
else
mesh_object = context.m_doc.AddMeshObject( mesh );
if( mesh_object )
num_converted++;
}
}
}
if( num_converted > 0 )
context.m_doc.Redraw();
RhinoApp().Print( L"%d meshes selected, %d meshes converted.\n", go.ObjectCount(), num_converted );
return CRhinoCommand::success;
}
