kicad/plugins/3d/vrml/v2/vrml2_box.cpp

412 lines
12 KiB
C++

/*
* 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 "vrml2_base.h"
#include "vrml2_box.h"
#include "plugins/3dapi/ifsg_all.h"
WRL2BOX::WRL2BOX() : WRL2NODE()
{
m_Type = WRL2_BOX;
size.x = 2.0;
size.y = 2.0;
size.z = 2.0;
return;
}
WRL2BOX::WRL2BOX( WRL2NODE* aParent ) : WRL2NODE()
{
m_Type = WRL2_BOX;
m_Parent = aParent;
size.x = 2.0;
size.y = 2.0;
size.z = 2.0;
if( NULL != m_Parent )
m_Parent->AddChildNode( this );
return;
}
WRL2BOX::~WRL2BOX()
{
#if defined( DEBUG_VRML2 ) && ( DEBUG_VRML2 > 2 )
wxLogTrace( MASK_VRML, " * [INFO] Destroying Box node\n" );
#endif
return;
}
bool WRL2BOX::isDangling( void )
{
// this node is dangling unless it has a parent of type WRL2_SHAPE
if( NULL == m_Parent || m_Parent->GetNodeType() != WRL2_SHAPE )
return true;
return false;
}
bool WRL2BOX::Read( WRLPROC& proc, WRL2BASE* aTopNode )
{
size_t line, column;
proc.GetFilePosData( line, column );
char tok = proc.Peek();
if( proc.eof() )
{
#if defined( DEBUG_VRML2 ) && ( DEBUG_VRML2 > 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_VRML2 ) && ( DEBUG_VRML2 > 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;
if( proc.Peek() == '}' )
{
proc.Pop();
return true;
}
if( !proc.ReadName( glob ) )
{
#if defined( DEBUG_VRML2 ) && ( DEBUG_VRML2 > 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;
}
proc.GetFilePosData( line, column );
// expecting 'size'
if( !glob.compare( "size" ) )
{
if( !proc.ReadSFVec3f( size ) )
{
#if defined( DEBUG_VRML2 ) && ( DEBUG_VRML2 > 1 )
do {
std::ostringstream ostr;
ostr << __FILE__ << ": " << __FUNCTION__ << ": " << __LINE__ << "\n";
ostr << " * [INFO] invalid size 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;
}
// for legacy KiCad support we interpret units as 0.1 inch
size *= 2.54;
}
else
{
#if defined( DEBUG_VRML2 ) && ( DEBUG_VRML2 > 1 )
do {
std::ostringstream ostr;
ostr << __FILE__ << ": " << __FUNCTION__ << ": " << __LINE__ << "\n";
ostr << " * [INFO] bad Box 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;
}
if( size.x < 1e-6 || size.y < 1e-6 || size.z < 1e-6 )
{
#if defined( DEBUG_VRML2 ) && ( DEBUG_VRML2 > 1 )
do {
std::ostringstream ostr;
ostr << __FILE__ << ": " << __FUNCTION__ << ": " << __LINE__ << "\n";
ostr << " * [INFO] bad Box (invalid size) at line " << line << ", column ";
ostr << column << "\n";
ostr << " * [INFO] file: '" << proc.GetFileName() << "'";
wxLogTrace( MASK_VRML, "%s\n", ostr.str().c_str() );
} while( 0 );
#endif
}
if( proc.Peek() == '}' )
{
proc.Pop();
return true;
}
proc.GetFilePosData( line, column );
#if defined( DEBUG_VRML2 ) && ( DEBUG_VRML2 > 1 )
do {
std::ostringstream ostr;
ostr << __FILE__ << ": " << __FUNCTION__ << ": " << __LINE__ << "\n";
ostr << " * [INFO] bad Box at line " << line << ", column ";
ostr << column << " (no closing brace)\n";
ostr << " * [INFO] file: '" << proc.GetFileName() << "'";
wxLogTrace( MASK_VRML, "%s\n", ostr.str().c_str() );
} while( 0 );
#endif
return false;
}
bool WRL2BOX::AddRefNode( WRL2NODE* aNode )
{
// this node may not own or reference any other node
#ifdef DEBUG_VRML2
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 WRL2BOX::AddChildNode( WRL2NODE* aNode )
{
// this node may not own or reference any other node
#ifdef DEBUG_VRML2
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;
}
SGNODE* WRL2BOX::TranslateToSG( SGNODE* aParent )
{
S3D::SGTYPES ptype = S3D::GetSGNodeType( aParent );
if( NULL != aParent && ptype != S3D::SGTYPE_SHAPE )
{
#ifdef DEBUG_VRML2
do {
std::ostringstream ostr;
ostr << __FILE__ << ": " << __FUNCTION__ << ": " << __LINE__ << "\n";
ostr << " * [BUG] Box does not have a Shape parent (parent ID: ";
ostr << ptype << ")";
wxLogTrace( MASK_VRML, "%s\n", ostr.str().c_str() );
} while( 0 );
#endif
return NULL;
}
// do not render a bad box
if( size.x < 1e-6 || size.y < 1e-6 || size.z < 1e-6 )
return NULL;
if( m_sgNode )
{
if( NULL != aParent )
{
if( NULL == S3D::GetSGNodeParent( m_sgNode )
&& !S3D::AddSGNodeChild( aParent, m_sgNode ) )
{
return NULL;
}
else if( aParent != S3D::GetSGNodeParent( m_sgNode )
&& !S3D::AddSGNodeRef( aParent, m_sgNode ) )
{
return NULL;
}
}
return m_sgNode;
}
// create the vertices, triangle indices, and normals
float x = size.x / 2.0;
float y = size.y / 2.0;
float z = size.z / 2.0;
std::vector< SGPOINT > vertices;
std::vector< SGVECTOR > norms;
std::vector< int > idx;
int base = 0;
// top
vertices.push_back( SGPOINT( -x, -y, z ) );
vertices.push_back( SGPOINT( x, -y, z ) );
vertices.push_back( SGPOINT( x, y, z ) );
vertices.push_back( SGPOINT( -x, y, z ) );
norms.push_back( SGVECTOR( 0.0, 0.0, 1.0 ) );
norms.push_back( SGVECTOR( 0.0, 0.0, 1.0 ) );
norms.push_back( SGVECTOR( 0.0, 0.0, 1.0 ) );
norms.push_back( SGVECTOR( 0.0, 0.0, 1.0 ) );
idx.push_back( base );
idx.push_back( base + 1 );
idx.push_back( base + 2 );
idx.push_back( base );
idx.push_back( base + 2 );
idx.push_back( base + 3 );
base += 4;
// bottom
vertices.push_back( SGPOINT( -x, -y, -z ) );
vertices.push_back( SGPOINT( x, -y, -z ) );
vertices.push_back( SGPOINT( x, y, -z ) );
vertices.push_back( SGPOINT( -x, y, -z ) );
norms.push_back( SGVECTOR( 0.0, 0.0, -1.0 ) );
norms.push_back( SGVECTOR( 0.0, 0.0, -1.0 ) );
norms.push_back( SGVECTOR( 0.0, 0.0, -1.0 ) );
norms.push_back( SGVECTOR( 0.0, 0.0, -1.0 ) );
idx.push_back( base );
idx.push_back( base + 2 );
idx.push_back( base + 1 );
idx.push_back( base );
idx.push_back( base + 3 );
idx.push_back( base + 2 );
base += 4;
// front
vertices.push_back( SGPOINT( -x, -y, z ) );
vertices.push_back( SGPOINT( -x, -y, -z ) );
vertices.push_back( SGPOINT( x, -y, -z ) );
vertices.push_back( SGPOINT( x, -y, z ) );
norms.push_back( SGVECTOR( 0.0, -1.0, 0.0 ) );
norms.push_back( SGVECTOR( 0.0, -1.0, 0.0 ) );
norms.push_back( SGVECTOR( 0.0, -1.0, 0.0 ) );
norms.push_back( SGVECTOR( 0.0, -1.0, 0.0 ) );
idx.push_back( base );
idx.push_back( base + 1 );
idx.push_back( base + 2 );
idx.push_back( base );
idx.push_back( base + 2 );
idx.push_back( base + 3 );
base += 4;
// back
vertices.push_back( SGPOINT( -x, y, z ) );
vertices.push_back( SGPOINT( -x, y, -z ) );
vertices.push_back( SGPOINT( x, y, -z ) );
vertices.push_back( SGPOINT( x, y, z ) );
norms.push_back( SGVECTOR( 0.0, 1.0, 0.0 ) );
norms.push_back( SGVECTOR( 0.0, 1.0, 0.0 ) );
norms.push_back( SGVECTOR( 0.0, 1.0, 0.0 ) );
norms.push_back( SGVECTOR( 0.0, 1.0, 0.0 ) );
idx.push_back( base );
idx.push_back( base + 2 );
idx.push_back( base + 1 );
idx.push_back( base );
idx.push_back( base + 3 );
idx.push_back( base + 2 );
base += 4;
// left
vertices.push_back( SGPOINT( -x, -y, -z ) );
vertices.push_back( SGPOINT( -x, -y, z ) );
vertices.push_back( SGPOINT( -x, y, z ) );
vertices.push_back( SGPOINT( -x, y, -z ) );
norms.push_back( SGVECTOR( -1.0, 0.0, 0.0 ) );
norms.push_back( SGVECTOR( -1.0, 0.0, 0.0 ) );
norms.push_back( SGVECTOR( -1.0, 0.0, 0.0 ) );
norms.push_back( SGVECTOR( -1.0, 0.0, 0.0 ) );
idx.push_back( base );
idx.push_back( base + 1 );
idx.push_back( base + 2 );
idx.push_back( base );
idx.push_back( base + 2 );
idx.push_back( base + 3 );
base += 4;
// right
vertices.push_back( SGPOINT( x, -y, -z ) );
vertices.push_back( SGPOINT( x, -y, z ) );
vertices.push_back( SGPOINT( x, y, z ) );
vertices.push_back( SGPOINT( x, y, -z ) );
norms.push_back( SGVECTOR( 1.0, 0.0, 0.0 ) );
norms.push_back( SGVECTOR( 1.0, 0.0, 0.0 ) );
norms.push_back( SGVECTOR( 1.0, 0.0, 0.0 ) );
norms.push_back( SGVECTOR( 1.0, 0.0, 0.0 ) );
idx.push_back( base );
idx.push_back( base + 2 );
idx.push_back( base + 1 );
idx.push_back( base );
idx.push_back( base + 3 );
idx.push_back( base + 2 );
IFSG_FACESET fsNode( aParent );
IFSG_COORDS cpNode( fsNode );
cpNode.SetCoordsList( vertices.size(), &vertices[0] );
IFSG_COORDINDEX ciNode( fsNode );
ciNode.SetIndices( idx.size(), &idx[0] );
IFSG_NORMALS nmNode( fsNode );
nmNode.SetNormalList( norms.size(), &norms[0] );
m_sgNode = fsNode.GetRawPtr();
return m_sgNode;
}