3D viewer: fix an issue introduced in previous commit. Add an improvement.

3d-viewer/3d_draw.cpp

@@ -526,7 +526,7 @@ void EDA_3D_CANVAS::Redraw()
         {
             glEnable( GL_BLEND );
             glBlendFunc( GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA );
-            glColor4f( 1.0, 1.0, 1.0, 0.85f );
+            glColor4f( 1.0, 1.0, 1.0, 0.75f );
             glEnable( GL_CULL_FACE );
             glDisable( GL_COLOR_MATERIAL );
             glEnable( GL_TEXTURE_2D );

3d-viewer/3d_mesh_model.cpp

@@ -262,6 +262,32 @@ void S3D_MESH::openGL_Render( bool aIsRenderingJustNonTransparentObjects,
             }
         }
 
+/*
+#if defined(DEBUG)
+        // Debug Normals
+        glColor4f( 1.0, 0.0, 1.0, 1.0 );
+        for( unsigned int ii = 0; ii < m_CoordIndex[idx].size(); ii++ )
+        {
+            // Flat
+            if( m_PerFaceNormalsNormalized.size() > 0 )
+            {
+                S3D_VERTEX normal = m_PerFaceNormalsNormalized[idx];
+                glNormal3fv( &normal.x );
+
+                for( unsigned int ii = 0; ii < m_CoordIndex[idx].size(); ii++ )
+                {
+                    glBegin( GL_LINES );
+                    glm::vec3 point = m_Point[m_CoordIndex[idx][ii]];
+                    glVertex3fv( &point.x );
+                    point += normal;
+                    glVertex3fv( &point.x );
+                    glEnd();
+                }
+            }
+        }
+#endif
+*/
+
         switch( m_CoordIndex[idx].size() )
         {
         case 3:

3d-viewer/modelparsers.h

@@ -211,17 +211,19 @@ private:
 
     bool                      m_normalPerVertex;
     bool                      colorPerVertex;
-    S3D_MESH*                 m_model;              ///< It stores the current model that the parsing is adding data
+    S3D_MESH*                 m_model;                  ///< It stores the current model that the parsing is adding data
     FILE*                     m_file;
     wxFileName                m_Filename;
     VRML2_COORDINATE_MAP      m_defCoordinateMap;
-    VRML2_DEF_GROUP_MAP       m_defGroupMap;        ///< Stores a list of labels for groups and meshs that will be used later by the USE keyword
+    VRML2_DEF_GROUP_MAP       m_defGroupMap;            ///< Stores a list of labels for groups and meshs that will be used later by the USE keyword
     S3D_MODEL_PARSER*         m_ModelParser;
     S3D_MASTER*               m_Master;
-    wxString                  m_debugSpacer;        ///< Used to give identation space
+    wxString                  m_debugSpacer;            ///< Used to give identation space
 
-    int                       m_counter_DEF_GROUP;  ///< Counts the number of DEF * GROUPS used
-    int                       m_counter_USE_GROUP;  ///< Counts the number of USE * used, in the end, if m_counter_DEF_GROUP > 0 and m_counter_USE_GROUP == 0 then it will add the first group with childs
+    int                       m_counter_DEF_GROUP;      ///< Counts the number of DEF * GROUPS used
+    int                       m_counter_USE_GROUP;      ///< Counts the number of USE * used, in the end, if m_counter_DEF_GROUP > 0 and m_counter_USE_GROUP == 0 then it will add the first group with childs
+
+    bool                      m_discardLastGeometry;    ///< If true, it should not store the latest loaded geometry (used to discard IndexedLineSet, but load it)
 };
 
 

3d-viewer/vrml_v2_modelparser.cpp

@@ -277,7 +277,8 @@ int VRML2_MODEL_PARSER::loadFileModel( S3D_MESH *aTransformationModel )
         {
             for( VRML2_DEF_GROUP_MAP::iterator groupIt = m_defGroupMap.begin(); groupIt!=m_defGroupMap.end(); ++groupIt )
             {
-                 S3D_MESH* ptrModel = groupIt->second;
+                wxString groupName = groupIt->first;
+                S3D_MESH* ptrModel = groupIt->second;
                 
 
                 if( ((ptrModel->m_Point.size() == 0) || (ptrModel->m_CoordIndex.size() == 0)) &&
@@ -288,6 +289,7 @@ int VRML2_MODEL_PARSER::loadFileModel( S3D_MESH *aTransformationModel )
                 }
                 else
                 {
+                    wxLogTrace( traceVrmlV2Parser, m_debugSpacer + wxT( "loadFileModel: forced added %s group" ), groupName );
                     m_ModelParser->childs.push_back( ptrModel );
                 }
             }
@@ -471,27 +473,36 @@ int VRML2_MODEL_PARSER::read_Transform()
 
             if( read_Shape() == 0 )
             {
-                m_model = save_ptr;
-
-                if( ((m_model->m_Point.size() == 0) || (m_model->m_CoordIndex.size() == 0)) &&
-                     (m_model->childs.size() == 0) )
+                if( m_discardLastGeometry == false )
                 {
-                    delete m_model;
-                    wxLogTrace( traceVrmlV2Parser, m_debugSpacer + wxT( "read_Transform: Shape, skipping model with no points or childs" ) );
+                    m_model = save_ptr;
+
+                    if( ((m_model->m_Point.size() == 0) || (m_model->m_CoordIndex.size() == 0)) &&
+                         (m_model->childs.size() == 0) )
+                    {
+                        delete m_model;
+                        wxLogTrace( traceVrmlV2Parser, m_debugSpacer + wxT( "read_Transform: Shape, skipping model with no points or childs" ) );
+                    }
+                    else
+                    {
+                        wxLogTrace( traceVrmlV2Parser, m_debugSpacer + wxT( "read_Transform: Shape, Add child model with %lu points, %lu coordIndex, %lu childs." ),
+                                                    m_model->m_Point.size(),
+                                                    m_model->m_CoordIndex.size(),
+                                                    m_model->childs.size() );
+
+                        parent->childs.push_back( m_model );
+                    }
                 }
                 else
                 {
-                    wxLogTrace( traceVrmlV2Parser, m_debugSpacer + wxT( "read_Transform: Shape, Add child model with %lu points, %lu coordIndex, %lu childs." ),
-                                                m_model->m_Point.size(),
-                                                m_model->m_CoordIndex.size(),
-                                                m_model->childs.size() );
+                    delete m_model;
 
-                    parent->childs.push_back( m_model );
+                    wxLogTrace( traceVrmlV2Parser, m_debugSpacer + wxT( "read_Transform: Shape, discard child." ) );
                 }
             }
             else
             {
-                delete m_model;   
+                delete m_model;
             }
 
             m_model = parent;
@@ -692,7 +703,10 @@ int VRML2_MODEL_PARSER::read_DEF_Coordinate()
             int retVal = read_CoordinateDef();
 
             if( retVal == 0 )
+            {
                 m_defCoordinateMap.insert( std::make_pair( coordinateName, m_model->m_Point ) );
+                wxLogTrace( traceVrmlV2Parser, m_debugSpacer + wxT( "read_DEF_Coordinate insert %s" ), coordinateName );
+            }
 
             debug_exit();
             return retVal;
@@ -801,6 +815,7 @@ int VRML2_MODEL_PARSER::read_DEF()
         }
         else if( strcmp( text, "IndexedFaceSet" ) == 0 )
         {
+            m_discardLastGeometry = false;
             read_IndexedFaceSet();
         }
         else if( strcmp( text, "Group" ) == 0 )
@@ -882,11 +897,13 @@ int VRML2_MODEL_PARSER::read_IndexedFaceSet_USE()
     if( coordinate == m_defCoordinateMap.end() )
     {
         debug_exit();
-        wxLogTrace( traceVrmlV2Parser, m_debugSpacer + wxT( "USE: coordinate %s not previously defined "
-                                            "in a DEF section." ), text );
+        wxLogTrace( traceVrmlV2Parser, m_debugSpacer + wxT( "read_IndexedFaceSet_USE: coordinate %s not previously defined "
+                                                            "in a DEF section." ), text );
         return -1;
     }
 
+    wxLogTrace( traceVrmlV2Parser, m_debugSpacer + wxT( "read_IndexedFaceSet_USE %s" ), text );
+
     m_model->m_Point = coordinate->second;
     debug_exit();
     return 0;
@@ -924,10 +941,12 @@ int VRML2_MODEL_PARSER::read_Shape()
         }
         else if( strcmp( text, "IndexedFaceSet" ) == 0 )
         {
+            m_discardLastGeometry = false;
             read_IndexedFaceSet();
         }
         else if( strcmp( text, "IndexedLineSet" ) == 0 )
         {
+            m_discardLastGeometry = true;
             read_IndexedLineSet();
         }
         else
@@ -977,11 +996,20 @@ int VRML2_MODEL_PARSER::read_geometry()
         }
         else if( strcmp( text, "IndexedFaceSet" ) == 0 )
         {
+            m_discardLastGeometry = false;
             int ret = read_IndexedFaceSet();
             debug_exit();
             wxLogTrace( traceVrmlV2Parser, m_debugSpacer + wxT( "read_geometry exit, after IndexedFaceSet" ) );
             return ret;
         }
+        else if( strcmp( text, "IndexedLineSet" ) == 0 )
+        {
+            m_discardLastGeometry = true;
+            int ret = read_IndexedLineSet();
+            debug_exit();
+            wxLogTrace( traceVrmlV2Parser, m_debugSpacer + wxT( "read_geometry exit, after IndexedLineSet" ) );
+            return ret;
+        }
         else
         {
             wxLogTrace( traceVrmlV2Parser, m_debugSpacer + wxT( "read_geometry: %s NotImplemented" ), text );