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kicad/plugins/3d/vrml/v1/vrml1_faceset.cpp

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/*
* This program source code file is part of KiCad, a free EDA CAD application.
*
* Copyright (C) 2016 Cirilo Bernardo <cirilo.bernardo@gmail.com>
*
* 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
*/
#include <iostream>
#include <sstream>
#include <wx/log.h>
#include "vrml1_base.h"
#include "vrml1_faceset.h"
#include "vrml1_coords.h"
#include "vrml1_material.h"
#include "wrlfacet.h"
#include "plugins/3dapi/ifsg_all.h"
WRL1FACESET::WRL1FACESET( NAMEREGISTER* aDictionary ) : WRL1NODE( aDictionary )
{
m_Type = WRL1_INDEXEDFACESET;
return;
}
WRL1FACESET::WRL1FACESET( NAMEREGISTER* aDictionary, WRL1NODE* aParent ) :
WRL1NODE( aDictionary )
{
m_Type = WRL1_INDEXEDFACESET;
m_Parent = aParent;
if( NULL != m_Parent )
m_Parent->AddChildNode( this );
return;
}
WRL1FACESET::~WRL1FACESET()
{
#if defined( DEBUG_VRML1 ) && ( DEBUG_VRML1 > 2 )
do {
std::ostringstream ostr;
ostr << " * [INFO] Destroying IndexedFaceSet with " << m_Children.size();
ostr << " children, " << m_Refs.size() << " references and ";
ostr << m_BackPointers.size() << " backpointers";
wxLogTrace( MASK_VRML, "%s\n", ostr.str().c_str() );
} while( 0 );
#endif
return;
}
bool WRL1FACESET::AddRefNode( WRL1NODE* aNode )
{
// this node may not own or reference any other node
#ifdef DEBUG_VRML1
do {
std::ostringstream ostr;
ostr << __FILE__ << ": " << __FUNCTION__ << ": " << __LINE__ << "\n";
ostr << " * [BUG] AddRefNode is not applicable";
wxLogTrace( MASK_VRML, "%s\n", ostr.str().c_str() );
} while( 0 );
#endif
return false;
}
bool WRL1FACESET::AddChildNode( WRL1NODE* aNode )
{
// this node may not own or reference any other node
#ifdef DEBUG_VRML1
do {
std::ostringstream ostr;
ostr << __FILE__ << ": " << __FUNCTION__ << ": " << __LINE__ << "\n";
ostr << " * [BUG] AddChildNode is not applicable";
wxLogTrace( MASK_VRML, "%s\n", ostr.str().c_str() );
} while( 0 );
#endif
return false;
}
bool WRL1FACESET::Read( WRLPROC& proc, WRL1BASE* aTopNode )
{
size_t line, column;
proc.GetFilePosData( line, column );
char tok = proc.Peek();
if( proc.eof() )
{
#if defined( DEBUG_VRML1 ) && ( DEBUG_VRML1 > 1 )
do {
std::ostringstream ostr;
ostr << __FILE__ << ": " << __FUNCTION__ << ": " << __LINE__ << "\n";
ostr << " * [INFO] bad file format; unexpected eof at line ";
ostr << line << ", column " << column;
wxLogTrace( MASK_VRML, "%s\n", ostr.str().c_str() );
} while( 0 );
#endif
return false;
}
if( '{' != tok )
{
#if defined( DEBUG_VRML1 ) && ( DEBUG_VRML1 > 1 )
do {
std::ostringstream ostr;
ostr << proc.GetError() << "\n";
ostr << __FILE__ << ": " << __FUNCTION__ << ": " << __LINE__ << "\n";
ostr << " * [INFO] bad file format; expecting '{' but got '" << tok;
ostr << "' at line " << line << ", column " << column;
wxLogTrace( MASK_VRML, "%s\n", ostr.str().c_str() );
} while( 0 );
#endif
return false;
}
proc.Pop();
std::string glob;
while( true )
{
if( proc.Peek() == '}' )
{
proc.Pop();
break;
}
if( !proc.ReadName( glob ) )
{
#if defined( DEBUG_VRML1 ) && ( DEBUG_VRML1 > 1 )
do {
std::ostringstream ostr;
ostr << __FILE__ << ": " << __FUNCTION__ << ": " << __LINE__ << "\n";
ostr << proc.GetError();
wxLogTrace( MASK_VRML, "%s\n", ostr.str().c_str() );
} while( 0 );
#endif
return false;
}
// expecting one of:
// coordIndex[]
// materialIndex[]
proc.GetFilePosData( line, column );
if( !glob.compare( "coordIndex" ) )
{
if( !proc.ReadMFInt( coordIndex ) )
{
#if defined( DEBUG_VRML1 ) && ( DEBUG_VRML1 > 1 )
do {
std::ostringstream ostr;
ostr << __FILE__ << ": " << __FUNCTION__ << ": " << __LINE__ << "\n";
ostr << " * [INFO] invalid coordIndex at line " << line << ", column ";
ostr << column << "\n";
ostr << " * [INFO] file: '" << proc.GetFileName() << "'\n";
ostr << " * [INFO] message: '" << proc.GetError();
wxLogTrace( MASK_VRML, "%s\n", ostr.str().c_str() );
} while( 0 );
#endif
return false;
}
}
else if( !glob.compare( "materialIndex" ) )
{
if( !proc.ReadMFInt( matIndex ) )
{
#if defined( DEBUG_VRML1 ) && ( DEBUG_VRML1 > 1 )
do {
std::ostringstream ostr;
ostr << __FILE__ << ": " << __FUNCTION__ << ": " << __LINE__ << "\n";
ostr << " * [INFO] invalid materialIndex at line " << line << ", column ";
ostr << column << "\n";
ostr << " * [INFO] file: '" << proc.GetFileName() << "'\n";
ostr << " * [INFO] message: '" << proc.GetError();
wxLogTrace( MASK_VRML, "%s\n", ostr.str().c_str() );
} while( 0 );
#endif
return false;
}
}
else if( !glob.compare( "normalIndex" ) )
{
if( !proc.ReadMFInt( normIndex ) )
{
#if defined( DEBUG_VRML1 ) && ( DEBUG_VRML1 > 1 )
do {
std::ostringstream ostr;
ostr << __FILE__ << ": " << __FUNCTION__ << ": " << __LINE__ << "\n";
ostr << " * [INFO] invalid normalIndex at line " << line << ", column ";
ostr << column << "\n";
ostr << " * [INFO] file: '" << proc.GetFileName() << "'\n";
ostr << " * [INFO] message: '" << proc.GetError();
wxLogTrace( MASK_VRML, "%s\n", ostr.str().c_str() );
} while( 0 );
#endif
return false;
}
}
else if( !glob.compare( "textureCoordIndex" ) )
{
if( !proc.ReadMFInt( texIndex ) )
{
#if defined( DEBUG_VRML1 ) && ( DEBUG_VRML1 > 1 )
do {
std::ostringstream ostr;
ostr << __FILE__ << ": " << __FUNCTION__ << ": " << __LINE__ << "\n";
ostr << " * [INFO] invalid textureCoordIndex at line " << line << ", column ";
ostr << column << "\n";
ostr << " * [INFO] file: '" << proc.GetFileName() << "'\n";
ostr << " * [INFO] message: '" << proc.GetError();
wxLogTrace( MASK_VRML, "%s\n", ostr.str().c_str() );
} while( 0 );
#endif
return false;
}
}
else
{
#if defined( DEBUG_VRML1 ) && ( DEBUG_VRML1 > 1 )
do {
std::ostringstream ostr;
ostr << __FILE__ << ": " << __FUNCTION__ << ": " << __LINE__ << "\n";
ostr << " * [INFO] bad IndexedFaceSet at line " << line << ", column ";
ostr << column << "\n";
ostr << " * [INFO] file: '" << proc.GetFileName() << "'";
wxLogTrace( MASK_VRML, "%s\n", ostr.str().c_str() );
} while( 0 );
#endif
return false;
}
} // while( true ) -- reading contents of IndexedFaceSet{}
return true;
}
SGNODE* WRL1FACESET::TranslateToSG( SGNODE* aParent, WRL1STATUS* sp )
{
// note: m_sgNode is unused because we cannot manage everything
// with a single reused transform due to the fact that VRML1
// may use a MatrixTransformation entity which is impossible to
// decompose into Rotate,Scale,Transform via an anlytic expression.
if( !m_Parent )
{
#if defined( DEBUG_VRML1 ) && ( DEBUG_VRML1 > 1 )
wxLogTrace( MASK_VRML, " * [INFO] bad model: no parent node\n" );
#endif
return NULL;
}
else
{
if( NULL == sp )
{
#if defined( DEBUG_VRML1 ) && ( DEBUG_VRML1 > 1 )
wxLogTrace( MASK_VRML, " * [INFO] bad model: no base data given\n" );
#endif
return NULL;
}
}
m_current = *sp;
if( NULL == m_current.coord || NULL == m_current.mat )
{
#if defined( DEBUG_VRML1 ) && ( DEBUG_VRML1 > 1 )
if( NULL == m_current.coord )
{
wxLogTrace( MASK_VRML, " * [INFO] bad model: no vertex set\n" );
}
if( NULL == m_current.mat )
{
wxLogTrace( MASK_VRML, " * [INFO] bad model: no material set\n" );
}
#endif
return NULL;
}
WRLVEC3F* pcoords;
size_t coordsize;
m_current.coord->GetCoords( pcoords, coordsize );
size_t vsize = coordIndex.size();
if( coordsize < 3 || vsize < 3 )
{
#if defined( DEBUG_VRML1 ) && ( DEBUG_VRML1 > 1 )
do {
std::ostringstream ostr;
ostr << " * [INFO] bad model: coordsize, indexsize = " << coordsize;
ostr << ", " << vsize;
wxLogTrace( MASK_VRML, "%s\n", ostr.str().c_str() );
} while( 0 );
#endif
return NULL;
}
// 1. create the vertex/normals/colors lists
SGNODE* sgcolor = NULL;
WRL1_BINDING mbind = m_current.matbind;
size_t matSize = matIndex.size();
switch( mbind )
{
case BIND_PER_FACE:
case BIND_PER_VERTEX:
case BIND_PER_VERTEX_INDEXED:
break;
case BIND_PER_FACE_INDEXED:
if( matIndex.empty() )
{
#if defined( DEBUG_VRML1 ) && ( DEBUG_VRML1 > 1 )
wxLogTrace( MASK_VRML, " * [INFO] bad model: per face indexed but no indices\n" );
#endif
// support bad models by temporarily switching bindings
mbind = BIND_OVERALL;
sgcolor = m_current.mat->GetAppearance( 0 );
}
break;
default:
// use the first appearance definition
sgcolor = m_current.mat->GetAppearance( 0 );
break;
}
// copy the data into FACET structures
SHAPE lShape;
FACET* fp = NULL;
size_t iCoord;
int idx; // coordinate index
size_t cidx = 0; // color index
SGCOLOR pc1;
if( mbind == BIND_OVERALL || mbind == BIND_DEFAULT )
{
// no per-vertex colors; we can save a few CPU cycles
for( iCoord = 0; iCoord < vsize; ++iCoord )
{
idx = coordIndex[iCoord];
if( idx < 0 )
{
if( NULL != fp )
{
if( fp->HasMinPoints() )
fp = NULL;
else
fp->Init();
}
continue;
}
// if the coordinate is bad then skip it
if( idx >= (int)coordsize )
continue;
if( NULL == fp )
fp = lShape.NewFacet();
// push the vertex value and index
WRLVEC3F vf;
glm::vec4 pt = glm::vec4( pcoords[idx].x, pcoords[idx].y, pcoords[idx].z, 1.0 );
pt = m_current.txmatrix * pt;
vf.x = pt.x;
vf.y = pt.y;
vf.z = pt.z;
fp->AddVertex( vf, idx );
}
}
else
{
for( iCoord = 0; iCoord < vsize; ++iCoord )
{
idx = coordIndex[iCoord];
if( idx < 0 )
{
if( NULL != fp )
{
if( fp->HasMinPoints() )
fp = NULL;
else
fp->Init();
}
if( mbind == BIND_PER_FACE || mbind == BIND_PER_FACE_INDEXED )
++cidx;
continue;
}
// if the coordinate is bad then skip it
if( idx >= (int)coordsize )
continue;
if( NULL == fp )
fp = lShape.NewFacet();
// push the vertex value and index
WRLVEC3F vf;
glm::vec4 pt = glm::vec4( pcoords[idx].x, pcoords[idx].y, pcoords[idx].z, 1.0 );
pt = m_current.txmatrix * pt;
vf.x = pt.x;
vf.y = pt.y;
vf.z = pt.z;
fp->AddVertex( vf, idx );
// push the color if appropriate
switch( mbind )
{
case BIND_PER_FACE:
if( !fp->HasColors() )
{
m_current.mat->GetColor( &pc1, cidx );
fp->AddColor( pc1 );
}
break;
case BIND_PER_VERTEX:
m_current.mat->GetColor( &pc1, idx );
fp->AddColor( pc1 );
break;
case BIND_PER_FACE_INDEXED:
if( !fp->HasColors() )
{
if( cidx >= matSize )
m_current.mat->GetColor( &pc1, matIndex.back() );
else
m_current.mat->GetColor( &pc1, matIndex[cidx] );
fp->AddColor( pc1 );
}
break;
case BIND_PER_VERTEX_INDEXED:
if( matIndex.empty() )
{
int ic = coordIndex[iCoord];
if( ic >= (int)matSize )
m_current.mat->GetColor( &pc1, matIndex.back() );
else
m_current.mat->GetColor( &pc1, matIndex[ic] );
}
else
{
if( iCoord >= matSize )
m_current.mat->GetColor( &pc1, matIndex.back() );
else
m_current.mat->GetColor( &pc1, matIndex[iCoord] );
}
fp->AddColor( pc1 );
break;
default:
break;
}
}
}
// extract the final data set
SGNODE* np = lShape.CalcShape( aParent, sgcolor, m_current.order, m_current.creaseLimit );
return np;
}
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