kicad/3d-viewer/vrml_v1_modelparser.cpp

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/*
* This program source code file is part of KiCad, a free EDA CAD application.
*
* Copyright (C) 2014 Mario Luzeiro <mrluzeiro@gmail.com>
* Copyright (C) 1992-2015 KiCad Developers, see AUTHORS.txt for contributors.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, you may find one here:
* http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
* or you may search the http://www.gnu.org website for the version 2 license,
* or you may write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
*/
/**
* @file vrml_v1_modelparser.cpp
*/
#include <fctsys.h>
#include <vector>
#include <macros.h>
#include <kicad_string.h>
#include <info3d_visu.h>
#include "3d_struct.h"
#include "modelparsers.h"
#include "vrml_aux.h"
#define BUFLINE_SIZE 32
/**
* Trace mask used to enable or disable the trace output of the VRML V1 parser code.
* The debug output can be turned on by setting the WXTRACE environment variable to
* "KI_TRACE_VRML_V1_PARSER". See the wxWidgets documentation on wxLogTrace for
* more information.
*/
static const wxChar* traceVrmlV1Parser = wxT( "KI_TRACE_VRML_V1_PARSER" );
VRML1_MODEL_PARSER::VRML1_MODEL_PARSER( S3D_MODEL_PARSER* aModelParser )
{
m_ModelParser = aModelParser;
m_Master = m_ModelParser->GetMaster();
m_model = NULL;
m_file = NULL;
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m_normalPerVertex = true;
colorPerVertex = true;
}
VRML1_MODEL_PARSER::~VRML1_MODEL_PARSER()
{
}
bool VRML1_MODEL_PARSER::Load( const wxString& aFilename )
{
char text[BUFLINE_SIZE];
wxLogTrace( traceVrmlV1Parser, wxT( "Loading: %s" ), GetChars( aFilename ) );
m_file = wxFopen( aFilename, wxT( "rt" ) );
if( m_file == NULL )
return false;
// Switch the locale to standard C (needed to print floating point numbers)
LOCALE_IO toggle;
m_ModelParser->childs.clear();
while( GetNextTag( m_file, text, sizeof(text) ) )
{
if( ( *text == '}' ) || ( *text == ']' ) )
{
continue;
}
if( strcmp( text, "Separator" ) == 0 )
{
m_model = new S3D_MESH();
m_ModelParser->childs.push_back( m_model );
read_separator();
}
}
fclose( m_file );
return true;
}
int VRML1_MODEL_PARSER::read_separator()
{
char text[BUFLINE_SIZE];
// DBG( printf( "Separator\n" ) );
while( GetNextTag( m_file, text, sizeof(text) ) )
{
if( strcmp( text, "Material" ) == 0 )
{
readMaterial();
}
else if( strcmp( text, "Coordinate3" ) == 0 )
{
readCoordinate3();
}
else if( strcmp( text, "IndexedFaceSet" ) == 0 )
{
readIndexedFaceSet();
}
else if( strcmp( text, "Separator" ) == 0 )
{
S3D_MESH* parent = m_model;
S3D_MESH* new_mesh_model = new S3D_MESH();
m_model->childs.push_back( new_mesh_model );
m_model = new_mesh_model;
// recursive
read_separator();
m_model = parent;
}
else if( ( *text != '}' ) )
{
// DBG( printf( "read_NotImplemented %s\n", text ) );
read_NotImplemented( m_file, '}' );
}
else
break;
}
return 0;
}
int VRML1_MODEL_PARSER::readMaterial()
{
char text[BUFLINE_SIZE];
S3D_MATERIAL* material = NULL;
// DBG( printf( " readMaterial\n" ) );
wxString mat_name;
material = new S3D_MATERIAL( m_Master, mat_name );
m_Master->Insert( material );
m_model->m_Materials = material;
while( GetNextTag( m_file, text, sizeof(text) ) )
{
if( *text == ']' )
{
continue;
}
if( *text == '}' )
{
return 0;
}
if( strcmp( text, "ambientColor" ) == 0 )
{
readMaterial_ambientColor();
}
else if( strcmp( text, "diffuseColor" ) == 0 )
{
readMaterial_diffuseColor();
}
else if( strcmp( text, "emissiveColor" ) == 0 )
{
readMaterial_emissiveColor();
}
else if( strcmp( text, "specularColor" ) == 0 )
{
readMaterial_specularColor();
}
else if( strcmp( text, "shininess" ) == 0 )
{
readMaterial_shininess();
}
else if( strcmp( text, "transparency" ) == 0 )
{
readMaterial_transparency();
}
}
wxLogTrace( traceVrmlV1Parser, wxT( " readMaterial failed" ) );
return -1;
}
int VRML1_MODEL_PARSER::readCoordinate3()
{
char text[BUFLINE_SIZE];
// DBG( printf( " readCoordinate3\n" ) );
while( GetNextTag( m_file, text, sizeof(text) ) )
{
if( *text == ']' )
{
continue;
}
if( *text == '}' )
{
return 0;
}
if( strcmp( text, "point" ) == 0 )
{
readCoordinate3_point();
}
}
wxLogTrace( traceVrmlV1Parser, wxT( " readCoordinate3 failed" ) );
return -1;
}
int VRML1_MODEL_PARSER::readIndexedFaceSet()
{
char text[BUFLINE_SIZE];
// DBG( printf( " readIndexedFaceSet\n" ) );
while( GetNextTag( m_file, text, sizeof(text) ) )
{
if( *text == ']' )
{
continue;
}
if( *text == '}' )
{
return 0;
}
if( strcmp( text, "coordIndex" ) == 0 )
{
readIndexedFaceSet_coordIndex();
}
else if( strcmp( text, "materialIndex" ) == 0 )
{
readIndexedFaceSet_materialIndex();
}
}
wxLogTrace( traceVrmlV1Parser, wxT( " readIndexedFaceSet failed" ) );
return -1;
}
int VRML1_MODEL_PARSER::readMaterial_ambientColor()
{
// DBG( printf( " readMaterial_ambientColor\n" ) );
return parseVertexList( m_file, m_model->m_Materials->m_AmbientColor );
}
int VRML1_MODEL_PARSER::readMaterial_diffuseColor()
{
// DBG( printf( " readMaterial_diffuseColor\n" ) );
return parseVertexList( m_file, m_model->m_Materials->m_DiffuseColor );
}
int VRML1_MODEL_PARSER::readMaterial_emissiveColor()
{
// DBG( printf( " readMaterial_emissiveColor\n" ) );
int ret = parseVertexList( m_file, m_model->m_Materials->m_EmissiveColor );
if( m_Master->m_use_modelfile_emissiveColor == false )
{
m_model->m_Materials->m_EmissiveColor.clear();
}
return ret;
}
int VRML1_MODEL_PARSER::readMaterial_specularColor()
{
// DBG( printf( " readMaterial_specularColor\n" ) );
int ret = parseVertexList( m_file, m_model->m_Materials->m_SpecularColor );
if( m_Master->m_use_modelfile_specularColor == false )
{
m_model->m_Materials->m_SpecularColor.clear();
}
return ret;
}
int VRML1_MODEL_PARSER::readMaterial_shininess()
{
// DBG( printf( " readMaterial_shininess\n" ) );
m_model->m_Materials->m_Shininess.clear();
float shininess_value;
while( fscanf( m_file, "%f,", &shininess_value ) )
{
// VRML value is normalized and openGL expects a value 0 - 128
shininess_value = shininess_value * 128.0f;
m_model->m_Materials->m_Shininess.push_back( shininess_value );
}
if( m_Master->m_use_modelfile_shininess == false )
{
m_model->m_Materials->m_Shininess.clear();
}
// DBG( printf( " m_Shininess.size: %ld\n", m_model->m_Materials->m_Shininess.size() ) );
return 0;
}
int VRML1_MODEL_PARSER::readMaterial_transparency()
{
// DBG( printf( " readMaterial_transparency\n" ) );
m_model->m_Materials->m_Transparency.clear();
float tmp;
while( fscanf( m_file, "%f,", &tmp ) )
{
m_model->m_Materials->m_Transparency.push_back( tmp );
}
if( m_Master->m_use_modelfile_transparency == false )
{
m_model->m_Materials->m_Transparency.clear();
}
// DBG( printf( " m_Transparency.size: %ld\n", m_model->m_Materials->m_Transparency.size() ) );
return 0;
}
int VRML1_MODEL_PARSER::readCoordinate3_point()
{
// DBG( printf( " readCoordinate3_point\n" ) );
if( parseVertexList( m_file, m_model->m_Point ) == 0 )
{
return 0;
}
wxLogTrace( traceVrmlV1Parser, wxT( " readCoordinate3_point failed" ) );
return -1;
}
int VRML1_MODEL_PARSER::readIndexedFaceSet_coordIndex()
{
// DBG( printf( " readIndexedFaceSet_coordIndex\n" ) );
m_model->m_CoordIndex.clear();
glm::ivec3 coord;
int dummy; // should be -1
while( fscanf( m_file, "%d,%d,%d,%d,", &coord[0], &coord[1], &coord[2], &dummy ) )
{
std::vector<int> coord_list;
coord_list.resize( 3 );
coord_list[0] = coord[0];
coord_list[1] = coord[1];
coord_list[2] = coord[2];
if( (coord[0] == coord[1])
|| (coord[0] == coord[2])
|| (coord[2] == coord[1]) )
{
wxLogTrace( traceVrmlV1Parser, wxT( " invalid coordIndex at index %u (%d, %d, %d, %d)" ), (unsigned int)m_model->m_CoordIndex.size() + 1,coord[0], coord[1], coord[2], dummy );
}
if( dummy != -1 )
{
wxLogTrace( traceVrmlV1Parser, wxT( " Error at index %u, -1 Expected, got %d" ), (unsigned int)m_model->m_CoordIndex.size() + 1, dummy );
}
m_model->m_CoordIndex.push_back( coord_list );
}
// DBG( printf( " m_CoordIndex.size: %ld\n", m_model->m_CoordIndex.size() ) );
return 0;
}
int VRML1_MODEL_PARSER::readIndexedFaceSet_materialIndex()
{
// DBG( printf( " readIndexedFaceSet_materialIndex\n" ) );
m_model->m_MaterialIndex.clear();
int index;
while( fscanf( m_file, "%d,", &index ) )
{
m_model->m_MaterialIndex.push_back( index );
}
// DBG( printf( " m_MaterialIndex.size: %ld\n", m_model->m_MaterialIndex.size() ) );
return 0;
}