775 lines
19 KiB
C++
775 lines
19 KiB
C++
/*
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* This program source code file is part of KiCad, a free EDA CAD application.
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*
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* Copyright (C) 2015-2016 Cirilo Bernardo <cirilo.bernardo@gmail.com>
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* Copyright (C) 2018 KiCad Developers, see AUTHORS.txt for contributors.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, you may find one here:
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* http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
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* or you may search the http://www.gnu.org website for the version 2 license,
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* or you may write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#define GLM_FORCE_RADIANS
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#include <iostream>
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#include <sstream>
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#include <fstream>
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#include <utility>
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#include <iterator>
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#include <wx/datetime.h>
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#include <wx/filename.h>
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#include <wx/log.h>
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#include <wx/stdpaths.h>
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#include <boost/version.hpp>
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#if BOOST_VERSION >= 106800
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#include <boost/uuid/detail/sha1.hpp>
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#else
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#include <boost/uuid/sha1.hpp>
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#endif
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#include <glm/glm.hpp>
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#include <glm/ext.hpp>
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#include "common.h"
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#include "3d_cache.h"
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#include "3d_info.h"
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#include "sg/scenegraph.h"
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#include "filename_resolver.h"
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#include "3d_plugin_manager.h"
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#include "plugins/3dapi/ifsg_api.h"
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#define MASK_3D_CACHE "3D_CACHE"
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static wxCriticalSection lock3D_cache;
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static bool isSHA1Same( const unsigned char* shaA, const unsigned char* shaB )
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{
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for( int i = 0; i < 20; ++i )
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if( shaA[i] != shaB[i] )
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return false;
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return true;
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}
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static bool checkTag( const char* aTag, void* aPluginMgrPtr )
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{
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if( NULL == aTag || NULL == aPluginMgrPtr )
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return false;
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S3D_PLUGIN_MANAGER *pp = (S3D_PLUGIN_MANAGER*) aPluginMgrPtr;
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return pp->CheckTag( aTag );
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}
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static const wxString sha1ToWXString( const unsigned char* aSHA1Sum )
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{
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unsigned char uc;
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unsigned char tmp;
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char sha1[41];
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int j = 0;
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for( int i = 0; i < 20; ++i )
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{
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uc = aSHA1Sum[i];
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tmp = uc / 16;
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if( tmp > 9 )
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tmp += 87;
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else
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tmp += 48;
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sha1[j++] = tmp;
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tmp = uc % 16;
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if( tmp > 9 )
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tmp += 87;
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else
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tmp += 48;
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sha1[j++] = tmp;
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}
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sha1[j] = 0;
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return wxString::FromUTF8Unchecked( sha1 );
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}
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class S3D_CACHE_ENTRY
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{
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private:
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// prohibit assignment and default copy constructor
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S3D_CACHE_ENTRY( const S3D_CACHE_ENTRY& source );
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S3D_CACHE_ENTRY& operator=( const S3D_CACHE_ENTRY& source );
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wxString m_CacheBaseName; // base name of cache file (a SHA1 digest)
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public:
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S3D_CACHE_ENTRY();
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~S3D_CACHE_ENTRY();
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void SetSHA1( const unsigned char* aSHA1Sum );
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const wxString GetCacheBaseName( void );
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wxDateTime modTime; // file modification time
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unsigned char sha1sum[20];
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std::string pluginInfo; // PluginName:Version string
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SCENEGRAPH* sceneData;
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S3DMODEL* renderData;
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};
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S3D_CACHE_ENTRY::S3D_CACHE_ENTRY()
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{
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sceneData = NULL;
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renderData = NULL;
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memset( sha1sum, 0, 20 );
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}
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S3D_CACHE_ENTRY::~S3D_CACHE_ENTRY()
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{
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if( NULL != sceneData )
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delete sceneData;
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if( NULL != renderData )
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S3D::Destroy3DModel( &renderData );
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}
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void S3D_CACHE_ENTRY::SetSHA1( const unsigned char* aSHA1Sum )
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{
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if( NULL == aSHA1Sum )
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{
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wxLogTrace( MASK_3D_CACHE, "%s:%s:%d\n * [BUG] NULL passed for aSHA1Sum",
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__FILE__, __FUNCTION__, __LINE__ );
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return;
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}
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memcpy( sha1sum, aSHA1Sum, 20 );
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return;
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}
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const wxString S3D_CACHE_ENTRY::GetCacheBaseName( void )
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{
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if( m_CacheBaseName.empty() )
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m_CacheBaseName = sha1ToWXString( sha1sum );
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return m_CacheBaseName;
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}
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S3D_CACHE::S3D_CACHE()
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{
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m_DirtyCache = false;
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m_FNResolver = new FILENAME_RESOLVER;
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m_Plugins = new S3D_PLUGIN_MANAGER;
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return;
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}
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S3D_CACHE::~S3D_CACHE()
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{
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FlushCache();
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if( m_FNResolver )
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delete m_FNResolver;
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if( m_Plugins )
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delete m_Plugins;
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return;
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}
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SCENEGRAPH* S3D_CACHE::load( const wxString& aModelFile, S3D_CACHE_ENTRY** aCachePtr )
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{
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if( aCachePtr )
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*aCachePtr = NULL;
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wxString full3Dpath = m_FNResolver->ResolvePath( aModelFile );
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if( full3Dpath.empty() )
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{
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// the model cannot be found; we cannot proceed
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wxLogTrace( MASK_3D_CACHE, "%s:%s:%d\n * [3D model] could not find model '%s'\n",
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__FILE__, __FUNCTION__, __LINE__, aModelFile );
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return NULL;
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}
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// check cache if file is already loaded
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wxCriticalSectionLocker lock( lock3D_cache );
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std::map< wxString, S3D_CACHE_ENTRY*, rsort_wxString >::iterator mi;
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mi = m_CacheMap.find( full3Dpath );
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if( mi != m_CacheMap.end() )
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{
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wxFileName fname( full3Dpath );
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if( fname.FileExists() ) // Only check if file exists. If not, it will
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{ // use the same model in cache.
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bool reload = false;
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wxDateTime fmdate = fname.GetModificationTime();
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if( fmdate != mi->second->modTime )
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{
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unsigned char hashSum[20];
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getSHA1( full3Dpath, hashSum );
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mi->second->modTime = fmdate;
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if( !isSHA1Same( hashSum, mi->second->sha1sum ) )
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{
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mi->second->SetSHA1( hashSum );
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reload = true;
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}
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}
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if( reload )
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{
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if( NULL != mi->second->sceneData )
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{
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S3D::DestroyNode( mi->second->sceneData );
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mi->second->sceneData = NULL;
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}
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if( NULL != mi->second->renderData )
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S3D::Destroy3DModel( &mi->second->renderData );
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mi->second->sceneData = m_Plugins->Load3DModel( full3Dpath, mi->second->pluginInfo );
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}
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}
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if( NULL != aCachePtr )
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*aCachePtr = mi->second;
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return mi->second->sceneData;
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}
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// a cache item does not exist; search the Filename->Cachename map
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return checkCache( full3Dpath, aCachePtr );
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}
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SCENEGRAPH* S3D_CACHE::Load( const wxString& aModelFile )
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{
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return load( aModelFile );
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}
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SCENEGRAPH* S3D_CACHE::checkCache( const wxString& aFileName, S3D_CACHE_ENTRY** aCachePtr )
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{
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if( aCachePtr )
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*aCachePtr = NULL;
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unsigned char sha1sum[20];
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if( !getSHA1( aFileName, sha1sum ) || m_CacheDir.empty() )
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{
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// just in case we can't get a hash digest (for example, on access issues)
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// or we do not have a configured cache file directory, we create an
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// entry to prevent further attempts at loading the file
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S3D_CACHE_ENTRY* ep = new S3D_CACHE_ENTRY;
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m_CacheList.push_back( ep );
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wxFileName fname( aFileName );
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ep->modTime = fname.GetModificationTime();
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if( m_CacheMap.insert( std::pair< wxString, S3D_CACHE_ENTRY* >
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( aFileName, ep ) ).second == false )
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{
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wxLogTrace( MASK_3D_CACHE, "%s:%s:%d\n * [BUG] duplicate entry in map file; key = '%s'",
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__FILE__, __FUNCTION__, __LINE__, aFileName );
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m_CacheList.pop_back();
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delete ep;
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}
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else
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{
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if( aCachePtr )
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*aCachePtr = ep;
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}
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return NULL;
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}
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S3D_CACHE_ENTRY* ep = new S3D_CACHE_ENTRY;
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m_CacheList.push_back( ep );
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wxFileName fname( aFileName );
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ep->modTime = fname.GetModificationTime();
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if( m_CacheMap.insert( std::pair< wxString, S3D_CACHE_ENTRY* >
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( aFileName, ep ) ).second == false )
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{
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wxLogTrace( MASK_3D_CACHE, "%s:%s:%d\n * [BUG] duplicate entry in map file; key = '%s'",
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__FILE__, __FUNCTION__, __LINE__, aFileName );
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m_CacheList.pop_back();
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delete ep;
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return NULL;
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}
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if( aCachePtr )
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*aCachePtr = ep;
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ep->SetSHA1( sha1sum );
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wxString bname = ep->GetCacheBaseName();
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wxString cachename = m_CacheDir + bname + wxT( ".3dc" );
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if( wxFileName::FileExists( cachename ) && loadCacheData( ep ) )
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return ep->sceneData;
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ep->sceneData = m_Plugins->Load3DModel( aFileName, ep->pluginInfo );
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if( NULL != ep->sceneData )
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saveCacheData( ep );
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return ep->sceneData;
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}
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bool S3D_CACHE::getSHA1( const wxString& aFileName, unsigned char* aSHA1Sum )
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{
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if( aFileName.empty() )
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{
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wxLogTrace( MASK_3D_CACHE, "%s:%s:%d\n * [BUG] empty filename",
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__FILE__, __FUNCTION__, __LINE__ );
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return false;
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}
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if( NULL == aSHA1Sum )
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{
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wxLogTrace( MASK_3D_CACHE, "%s\n * [BUG] NULL pointer passed for aMD5Sum",
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__FILE__, __FUNCTION__, __LINE__ );
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return false;
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}
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#ifdef _WIN32
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FILE* fp = _wfopen( aFileName.wc_str(), L"rb" );
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#else
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FILE* fp = fopen( aFileName.ToUTF8(), "rb" );
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#endif
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if( NULL == fp )
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return false;
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boost::uuids::detail::sha1 dblock;
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unsigned char block[4096];
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size_t bsize = 0;
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while( ( bsize = fread( &block, 1, 4096, fp ) ) > 0 )
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dblock.process_bytes( block, bsize );
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fclose( fp );
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unsigned int digest[5];
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dblock.get_digest( digest );
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// ensure MSB order
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for( int i = 0; i < 5; ++i )
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{
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int idx = i << 2;
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unsigned int tmp = digest[i];
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aSHA1Sum[idx+3] = tmp & 0xff;
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tmp >>= 8;
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aSHA1Sum[idx+2] = tmp & 0xff;
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tmp >>= 8;
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aSHA1Sum[idx+1] = tmp & 0xff;
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tmp >>= 8;
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aSHA1Sum[idx] = tmp & 0xff;
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}
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return true;
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}
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bool S3D_CACHE::loadCacheData( S3D_CACHE_ENTRY* aCacheItem )
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{
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wxString bname = aCacheItem->GetCacheBaseName();
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if( bname.empty() )
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{
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wxLogTrace( MASK_3D_CACHE,
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" * [3D model] cannot load cached model; no file hash available" );
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return false;
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}
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if( m_CacheDir.empty() )
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{
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wxLogTrace( MASK_3D_CACHE,
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" * [3D model] cannot load cached model; config directory unknown" );
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return false;
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}
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wxString fname = m_CacheDir + bname + wxT( ".3dc" );
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if( !wxFileName::FileExists( fname ) )
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{
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wxString errmsg = "cannot open file";
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wxLogTrace( MASK_3D_CACHE, " * [3D model] %s '%s'", errmsg.GetData(), fname.GetData() );
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return false;
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}
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if( NULL != aCacheItem->sceneData )
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S3D::DestroyNode( (SGNODE*) aCacheItem->sceneData );
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aCacheItem->sceneData = (SCENEGRAPH*)S3D::ReadCache( fname.ToUTF8(), m_Plugins, checkTag );
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if( NULL == aCacheItem->sceneData )
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return false;
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return true;
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}
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bool S3D_CACHE::saveCacheData( S3D_CACHE_ENTRY* aCacheItem )
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{
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if( NULL == aCacheItem )
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{
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wxLogTrace( MASK_3D_CACHE, "%s:%s:%d\n * NULL passed for aCacheItem",
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__FILE__, __FUNCTION__, __LINE__ );
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return false;
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}
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if( NULL == aCacheItem->sceneData )
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{
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wxLogTrace( MASK_3D_CACHE, "%s:%s:%d\n * aCacheItem has no valid scene data",
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__FILE__, __FUNCTION__, __LINE__ );
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return false;
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}
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wxString bname = aCacheItem->GetCacheBaseName();
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if( bname.empty() )
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{
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wxLogTrace( MASK_3D_CACHE,
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" * [3D model] cannot load cached model; no file hash available" );
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return false;
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}
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if( m_CacheDir.empty() )
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{
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wxLogTrace( MASK_3D_CACHE,
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" * [3D model] cannot load cached model; config directory unknown" );
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return false;
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}
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wxString fname = m_CacheDir + bname + wxT( ".3dc" );
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if( wxFileName::Exists( fname ) )
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{
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if( !wxFileName::FileExists( fname ) )
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{
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wxLogTrace( MASK_3D_CACHE, " * [3D model] path exists but is not a regular file '%s'",
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fname );
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return false;
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}
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}
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return S3D::WriteCache( fname.ToUTF8(), true, (SGNODE*)aCacheItem->sceneData,
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aCacheItem->pluginInfo.c_str() );
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}
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bool S3D_CACHE::Set3DConfigDir( const wxString& aConfigDir )
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{
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if( !m_ConfigDir.empty() )
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return false;
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wxFileName cfgdir;
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if( aConfigDir.StartsWith( "${" ) || aConfigDir.StartsWith( "$(" ) )
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cfgdir.Assign( ExpandEnvVarSubstitutions( aConfigDir ), "" );
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else
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cfgdir.Assign( aConfigDir, "" );
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cfgdir.Normalize();
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if( !cfgdir.DirExists() )
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{
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cfgdir.Mkdir( wxS_DIR_DEFAULT, wxPATH_MKDIR_FULL );
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if( !cfgdir.DirExists() )
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{
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wxLogTrace( MASK_3D_CACHE,
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"%s:%s:%d\n * failed to create 3D configuration directory '%s'",
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__FILE__, __FUNCTION__, __LINE__, cfgdir.GetPath() );
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return false;
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}
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}
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m_ConfigDir = cfgdir.GetPath();
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// inform the file resolver of the config directory
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if( !m_FNResolver->Set3DConfigDir( m_ConfigDir ) )
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{
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wxLogTrace( MASK_3D_CACHE,
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"%s:%s:%d\n * could not set 3D Config Directory on filename resolver\n"
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" * config directory: '%s'",
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__FILE__, __FUNCTION__, __LINE__, m_ConfigDir );
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}
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// 3D cache data must go to a user's cache directory;
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// unfortunately wxWidgets doesn't seem to provide
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// functions to retrieve such a directory.
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//
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// 1. OSX: ~/Library/Caches/kicad/3d/
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// 2. Linux: ${XDG_CACHE_HOME}/kicad/3d ~/.cache/kicad/3d/
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// 3. MSWin: AppData\Local\kicad\3d
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wxString cacheDir;
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#if defined(_WIN32)
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wxStandardPaths::Get().UseAppInfo( wxStandardPaths::AppInfo_None );
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cacheDir = wxStandardPaths::Get().GetUserLocalDataDir();
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cacheDir.append( "\\kicad\\3d" );
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#elif defined(__APPLE)
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cacheDir = "${HOME}/Library/Caches/kicad/3d";
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#else // assume Linux
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cacheDir = ExpandEnvVarSubstitutions( "${XDG_CACHE_HOME}" );
|
|
|
|
if( cacheDir.empty() || cacheDir == "${XDG_CACHE_HOME}" )
|
|
cacheDir = "${HOME}/.cache";
|
|
|
|
cacheDir.append( "/kicad/3d" );
|
|
#endif
|
|
|
|
cacheDir = ExpandEnvVarSubstitutions( cacheDir );
|
|
cfgdir.Assign( cacheDir, "" );
|
|
|
|
if( !cfgdir.DirExists() )
|
|
{
|
|
cfgdir.Mkdir( wxS_DIR_DEFAULT, wxPATH_MKDIR_FULL );
|
|
|
|
if( !cfgdir.DirExists() )
|
|
{
|
|
wxLogTrace( MASK_3D_CACHE, "%s:%s:%d\n * failed to create 3D cache directory '%s'",
|
|
__FILE__, __FUNCTION__, __LINE__, cfgdir.GetPath() );
|
|
|
|
return false;
|
|
}
|
|
}
|
|
|
|
m_CacheDir = cfgdir.GetPathWithSep();
|
|
return true;
|
|
}
|
|
|
|
|
|
wxString S3D_CACHE::Get3DConfigDir( bool createDefault )
|
|
{
|
|
if( !m_ConfigDir.empty() || !createDefault )
|
|
return m_ConfigDir;
|
|
|
|
// note: duplicated from common/common.cpp GetKicadConfigPath() to avoid
|
|
// code coupling; ideally the instantiating code should call
|
|
// Set3DConfigDir() to set the directory rather than relying on this
|
|
// directory remaining the same in future KiCad releases.
|
|
wxFileName cfgpath;
|
|
|
|
// From the wxWidgets wxStandardPaths::GetUserConfigDir() help:
|
|
// Unix: ~ (the home directory)
|
|
// Windows: "C:\Documents and Settings\username\Application Data"
|
|
// Mac: ~/Library/Preferences
|
|
cfgpath.AssignDir( wxStandardPaths::Get().GetUserConfigDir() );
|
|
|
|
#if !defined( __WINDOWS__ ) && !defined( __WXMAC__ )
|
|
wxString envstr = ExpandEnvVarSubstitutions( "${XDG_CONFIG_HOME}" );
|
|
|
|
if( envstr.IsEmpty() || envstr == "${XDG_CONFIG_HOME}" )
|
|
{
|
|
// XDG_CONFIG_HOME is not set, so use the fallback
|
|
cfgpath.AppendDir( wxT( ".config" ) );
|
|
}
|
|
else
|
|
{
|
|
// Override the assignment above with XDG_CONFIG_HOME
|
|
cfgpath.AssignDir( envstr );
|
|
}
|
|
#endif
|
|
|
|
cfgpath.AppendDir( wxT( "kicad" ) );
|
|
cfgpath.AppendDir( wxT( "3d" ) );
|
|
|
|
if( !cfgpath.DirExists() )
|
|
{
|
|
cfgpath.Mkdir( wxS_DIR_DEFAULT, wxPATH_MKDIR_FULL );
|
|
}
|
|
|
|
if( !cfgpath.DirExists() )
|
|
{
|
|
wxLogTrace( MASK_3D_CACHE, "%s:%s:%d\n * failed to create 3D configuration directory '%s'",
|
|
__FILE__, __FUNCTION__, __LINE__, cfgpath.GetPath() );
|
|
|
|
return wxT( "" );
|
|
}
|
|
|
|
if( Set3DConfigDir( cfgpath.GetPath() ) )
|
|
return m_ConfigDir;
|
|
|
|
return wxEmptyString;
|
|
}
|
|
|
|
|
|
bool S3D_CACHE::SetProjectDir( const wxString& aProjDir )
|
|
{
|
|
bool hasChanged = false;
|
|
|
|
if( m_FNResolver->SetProjectDir( aProjDir, &hasChanged ) && hasChanged )
|
|
{
|
|
m_CacheMap.clear();
|
|
|
|
std::list< S3D_CACHE_ENTRY* >::iterator sL = m_CacheList.begin();
|
|
std::list< S3D_CACHE_ENTRY* >::iterator eL = m_CacheList.end();
|
|
|
|
while( sL != eL )
|
|
{
|
|
delete *sL;
|
|
++sL;
|
|
}
|
|
|
|
m_CacheList.clear();
|
|
|
|
return true;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
|
|
void S3D_CACHE::SetProgramBase( PGM_BASE* aBase )
|
|
{
|
|
m_FNResolver->SetProgramBase( aBase );
|
|
return;
|
|
}
|
|
|
|
|
|
wxString S3D_CACHE::GetProjectDir( void )
|
|
{
|
|
return m_FNResolver->GetProjectDir();
|
|
}
|
|
|
|
|
|
FILENAME_RESOLVER* S3D_CACHE::GetResolver( void )
|
|
{
|
|
return m_FNResolver;
|
|
}
|
|
|
|
|
|
std::list< wxString > const* S3D_CACHE::GetFileFilters( void ) const
|
|
{
|
|
return m_Plugins->GetFileFilters();
|
|
}
|
|
|
|
|
|
void S3D_CACHE::FlushCache( bool closePlugins )
|
|
{
|
|
std::list< S3D_CACHE_ENTRY* >::iterator sCL = m_CacheList.begin();
|
|
std::list< S3D_CACHE_ENTRY* >::iterator eCL = m_CacheList.end();
|
|
|
|
while( sCL != eCL )
|
|
{
|
|
delete *sCL;
|
|
++sCL;
|
|
}
|
|
|
|
m_CacheList.clear();
|
|
m_CacheMap.clear();
|
|
|
|
if( closePlugins )
|
|
ClosePlugins();
|
|
|
|
return;
|
|
}
|
|
|
|
|
|
void S3D_CACHE::ClosePlugins( void )
|
|
{
|
|
if( NULL != m_Plugins )
|
|
m_Plugins->ClosePlugins();
|
|
|
|
return;
|
|
}
|
|
|
|
|
|
S3DMODEL* S3D_CACHE::GetModel( const wxString& aModelFileName )
|
|
{
|
|
S3D_CACHE_ENTRY* cp = NULL;
|
|
SCENEGRAPH* sp = load( aModelFileName, &cp );
|
|
|
|
if( !sp )
|
|
return NULL;
|
|
|
|
if( !cp )
|
|
{
|
|
wxLogTrace( MASK_3D_CACHE,
|
|
"%s:%s:%d\n * [BUG] model loaded with no associated S3D_CACHE_ENTRY",
|
|
__FILE__, __FUNCTION__, __LINE__ );
|
|
|
|
return NULL;
|
|
}
|
|
|
|
if( cp->renderData )
|
|
return cp->renderData;
|
|
|
|
S3DMODEL* mp = S3D::GetModel( sp );
|
|
cp->renderData = mp;
|
|
|
|
return mp;
|
|
}
|
|
|
|
|
|
wxString S3D_CACHE::GetModelHash( const wxString& aModelFileName )
|
|
{
|
|
wxString full3Dpath = m_FNResolver->ResolvePath( aModelFileName );
|
|
|
|
if( full3Dpath.empty() || !wxFileName::FileExists( full3Dpath ) )
|
|
return wxEmptyString;
|
|
|
|
// check cache if file is already loaded
|
|
std::map< wxString, S3D_CACHE_ENTRY*, rsort_wxString >::iterator mi;
|
|
mi = m_CacheMap.find( full3Dpath );
|
|
|
|
if( mi != m_CacheMap.end() )
|
|
return mi->second->GetCacheBaseName();
|
|
|
|
// a cache item does not exist; search the Filename->Cachename map
|
|
S3D_CACHE_ENTRY* cp = NULL;
|
|
checkCache( full3Dpath, &cp );
|
|
|
|
if( NULL != cp )
|
|
return cp->GetCacheBaseName();
|
|
|
|
return wxEmptyString;
|
|
}
|