/* * This program source code file is part of KiCad, a free EDA CAD application. * * Copyright (C) 2015-2016 Cirilo Bernardo * Copyright (C) 2021 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 */ #include #include #include #include "vrml2_base.h" #include "vrml2_transform.h" #include "plugins/3dapi/ifsg_all.h" WRL2TRANSFORM::WRL2TRANSFORM() : WRL2NODE() { m_Type = WRL2NODES::WRL2_TRANSFORM; } WRL2TRANSFORM::WRL2TRANSFORM( WRL2NODE* aParent ) : WRL2NODE() { m_Type = WRL2NODES::WRL2_TRANSFORM; m_Parent = aParent; if( nullptr != m_Parent ) m_Parent->AddChildNode( this ); } WRL2TRANSFORM::~WRL2TRANSFORM() { wxLogTrace( traceVrmlPlugin, wxT( " * [INFO] Destroying Transform node with %zu children, %zu" "references, and %zu back pointers." ), m_Children.size(), m_Refs.size(), m_BackPointers.size() ); } bool WRL2TRANSFORM::isDangling( void ) { // a Transform node is never dangling return false; } bool WRL2TRANSFORM::Read( WRLPROC& proc, WRL2BASE* aTopNode ) { /* * Structure of a Transform node (p.120): * * Transform { * eventIn MFNode addChildren * eventIn MFNode removeChildren * exposedField SFVec3f center 0 0 0 * exposedField MFNode children [] * exposedField SFRotation rotation 0 0 1 0 * exposedField SFVec3f scale 1 1 1 * exposedField SFRotation scaleOrientation 0 0 1 0 * exposedField SFVec3f translation 0 0 0 * field SFVec3f bboxCenter 0 0 0 * field SFVec3f bboxSize 0 0 0 * } */ wxCHECK_MSG( aTopNode, false, wxT( "Invalid top node." ) ); center.x = 0.0; center.y = 0.0; center.z = 0.0; translation = center; bboxCenter = center; bboxSize = center; rotation.x = 0.0; rotation.y = 0.0; rotation.z = 1.0; rotation.w = 0.0; scaleOrientation = rotation; scale.x = 1.0; scale.y = 1.0; scale.z = 1.0; size_t line, column; proc.GetFilePosData( line, column ); char tok = proc.Peek(); if( proc.eof() ) { wxLogTrace( traceVrmlPlugin, wxT( "%s:%s:%d\n" " * [INFO] bad file format; unexpected eof %s." ), __FILE__, __FUNCTION__, __LINE__, proc.GetFilePosition() ); return false; } if( '{' != tok ) { wxLogTrace( traceVrmlPlugin, wxT( "%s:%s:%d\n" " * [INFO] bad file format; expecting '{' but got '%s' %s." ), __FILE__, __FUNCTION__, __LINE__, tok, proc.GetFilePosition() ); return false; } proc.Pop(); std::string glob; while( true ) { if( proc.Peek() == '}' ) { proc.Pop(); break; } if( !proc.ReadName( glob ) ) { wxLogTrace( traceVrmlPlugin, wxT( "%s:%s:%d\n" "%s" ), __FILE__, __FUNCTION__, __LINE__ , proc.GetError() ); return false; } // expecting one of: // center // children // rotation // scale // ScaleOrientation // translation if( !glob.compare( "center" ) ) { if( !proc.ReadSFVec3f( center ) ) { wxLogTrace( traceVrmlPlugin, wxT( "%s:%s:%d\n" " * [INFO] invalid center %s\n" " * [INFO] file: '%s'\n" "%s" ), __FILE__, __FUNCTION__, __LINE__, proc.GetFilePosition(), proc.GetFileName(), proc.GetError() ); return false; } // convert from 1 VRML Unit = 0.1 inch to 1 VRML Unit = 1 mm center.x *= 2.54f; center.y *= 2.54f; center.z *= 2.54f; } else if( !glob.compare( "rotation" ) ) { if( !proc.ReadSFRotation( rotation ) ) { wxLogTrace( traceVrmlPlugin, wxT( "%s:%s:%d\n" " * [INFO] invalid rotation %s\n" " * [INFO] file: '%s'\n" "%s" ), __FILE__, __FUNCTION__, __LINE__, proc.GetFilePosition(), proc.GetFileName(), proc.GetError() ); return false; } } else if( !glob.compare( "scale" ) ) { if( !proc.ReadSFVec3f( scale ) ) { wxLogTrace( traceVrmlPlugin, wxT( "%s:%s:%d\n" " * [INFO] invalid scale %s\n" " * [INFO] file: '%s'\n" "%s" ), __FILE__, __FUNCTION__, __LINE__, proc.GetFilePosition(), proc.GetFileName(), proc.GetError() ); return false; } } else if( !glob.compare( "scaleOrientation" ) ) { if( !proc.ReadSFRotation( scaleOrientation ) ) { wxLogTrace( traceVrmlPlugin, wxT( "%s:%s:%d\n" " * [INFO] invalid scaleOrientation %s\n" " * [INFO] file: '%s'\n" "%s" ), __FILE__, __FUNCTION__, __LINE__, proc.GetFilePosition(), proc.GetFileName(), proc.GetError() ); return false; } } else if( !glob.compare( "translation" ) ) { if( !proc.ReadSFVec3f( translation ) ) { wxLogTrace( traceVrmlPlugin, wxT( "%s:%s:%d\n" " * [INFO] invalid translation %s\n" " * [INFO] file: '%s'\n" "%s" ), __FILE__, __FUNCTION__, __LINE__, proc.GetFilePosition(), proc.GetFileName(), proc.GetError() ); return false; } // convert from 1 VRML Unit = 0.1 inch to 1 VRML Unit = 1 mm translation.x *= 2.54f; translation.y *= 2.54f; translation.z *= 2.54f; } else if( !glob.compare( "children" ) ) { if( !readChildren( proc, aTopNode ) ) return false; } else { wxLogTrace( traceVrmlPlugin, wxT( "%s:%s:%d\n" " * [INFO] invalid Transform %s.\n" " * [INFO] file: '%s'\n" ), __FILE__, __FUNCTION__, __LINE__, proc.GetFilePosition(), proc.GetFileName() ); return false; } } // while( true ) -- reading contents of Transform{} return true; } bool WRL2TRANSFORM::AddRefNode( WRL2NODE* aNode ) { wxCHECK_MSG( aNode, false, wxT( "Invalid node." ) ); // take possession if the node is dangling WRL2_SHAPE if( WRL2NODES::WRL2_SHAPE == aNode->GetNodeType() && aNode->isDangling() ) { WRL2NODE* np = aNode->GetParent(); if( nullptr != np ) aNode->SetParent( this ); if( !WRL2NODE::AddChildNode( aNode ) ) { aNode->SetParent( nullptr ); return false; } } if( !WRL2NODE::AddRefNode( aNode ) ) return false; return true; } bool WRL2TRANSFORM::readChildren( WRLPROC& proc, WRL2BASE* aTopNode ) { char tok = proc.Peek(); if( proc.eof() ) { wxLogTrace( traceVrmlPlugin, wxT( "%s:%s:%d\n" " * [INFO] bad file format; unexpected eof %s." ), __FILE__, __FUNCTION__, __LINE__, proc.GetFilePosition() ); return false; } if( '[' != tok ) { // since there are no delimiters we expect a single child if( !aTopNode->ReadNode( proc, this, nullptr ) ) return false; if( proc.Peek() == ',' ) proc.Pop(); return true; } proc.Pop(); while( true ) { if( proc.Peek() == ']' ) { proc.Pop(); break; } if( !aTopNode->ReadNode( proc, this, nullptr ) ) return false; if( proc.Peek() == ',' ) proc.Pop(); } return true; } SGNODE* WRL2TRANSFORM::TranslateToSG( SGNODE* aParent ) { wxLogTrace( traceVrmlPlugin, wxT( " * [INFO] Translating Switch with %zu children, %zu references, and" "%zu back pointers." ), m_Children.size(), m_Refs.size(), m_BackPointers.size() ); if( m_Children.empty() && m_Refs.empty() ) return nullptr; S3D::SGTYPES ptype = S3D::GetSGNodeType( aParent ); wxCHECK_MSG( aParent && ( ptype == S3D::SGTYPE_TRANSFORM ), nullptr, wxString::Format( wxT( "Transform does not have a Transform parent (parent " "ID: %d)." ), ptype ) ); if( m_sgNode ) { if( nullptr != aParent ) { if( nullptr == S3D::GetSGNodeParent( m_sgNode ) && !S3D::AddSGNodeChild( aParent, m_sgNode ) ) { return nullptr; } else if( aParent != S3D::GetSGNodeParent( m_sgNode ) && !S3D::AddSGNodeRef( aParent, m_sgNode ) ) { return nullptr; } } return m_sgNode; } IFSG_TRANSFORM txNode( aParent ); std::list< WRL2NODE* >::iterator sC = m_Children.begin(); std::list< WRL2NODE* >::iterator eC = m_Children.end(); WRL2NODES type; // Include only the following in a Transform node: // Shape // Switch // Transform // Inline bool test = false; // set to true if there are any subnodes for display for( int i = 0; i < 2; ++i ) { while( sC != eC ) { type = (*sC)->GetNodeType(); switch( type ) { case WRL2NODES::WRL2_SHAPE: case WRL2NODES::WRL2_SWITCH: case WRL2NODES::WRL2_INLINE: case WRL2NODES::WRL2_TRANSFORM: if( nullptr != (*sC)->TranslateToSG( txNode.GetRawPtr() ) ) test = true; break; default: break; } ++ sC; } sC = m_Refs.begin(); eC = m_Refs.end(); } if( false == test ) { txNode.Destroy(); return nullptr; } txNode.SetScale( SGPOINT( scale.x, scale.y, scale.z ) ); txNode.SetCenter( SGPOINT( center.x, center.y, center.z ) ); txNode.SetTranslation( SGPOINT( translation.x, translation.y, translation.z ) ); txNode.SetScaleOrientation( SGVECTOR( scaleOrientation.x, scaleOrientation.y, scaleOrientation.z ), scaleOrientation.w ); txNode.SetRotation( SGVECTOR( rotation.x, rotation.y, rotation.z), rotation.w ); m_sgNode = txNode.GetRawPtr(); return m_sgNode; }