3d_cache.h

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/*
 * This program source code file is part of KiCad, a free EDA CAD application.
 *
 * Copyright (C) 2015 Cirilo Bernardo <[email protected]>
 * Copyright (C) 2020 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
 */

#ifndef CACHE_3D_H
#define CACHE_3D_H

#include "3d_info.h"
#include <core/typeinfo.h>
#include "string_utils.h"
#include <list>
#include <map>
#include "plugins/3dapi/c3dmodel.h"
#include <project.h>
#include <wx/string.h>

class PGM_BASE;
class S3D_CACHE_ENTRY;
class SCENEGRAPH;
class FILENAME_RESOLVER;
class S3D_PLUGIN_MANAGER;


class S3D_CACHE : public PROJECT::_ELEM
{
public:
 S3D_CACHE();
 virtual ~S3D_CACHE();

 KICAD_T Type() noexcept override
 {
 return S3D_CACHE_T;
 }

 bool Set3DConfigDir( const wxString& aConfigDir );

 bool SetProject( PROJECT* aProject );

 void SetProgramBase( PGM_BASE* aBase );

 SCENEGRAPH* Load( const wxString& aModelFile );

 FILENAME_RESOLVER* GetResolver() noexcept;

 std::list< wxString > const* GetFileFilters() const;

 void FlushCache( bool closePlugins = true );

 void ClosePlugins();

 S3DMODEL* GetModel( const wxString& aModelFileName );

 void CleanCacheDir( int aNumDaysOld );

private:
 SCENEGRAPH* checkCache( const wxString& aFileName, S3D_CACHE_ENTRY** aCachePtr = nullptr );

 bool getSHA1( const wxString& aFileName, unsigned char* aSHA1Sum );

 // load scene data from a cache file
 bool loadCacheData( S3D_CACHE_ENTRY* aCacheItem );

 // save scene data to a cache file
 bool saveCacheData( S3D_CACHE_ENTRY* aCacheItem );

 // the real load function (can supply a cache entry pointer to member functions)
 SCENEGRAPH* load( const wxString& aModelFile, S3D_CACHE_ENTRY** aCachePtr = nullptr );

 std::list< S3D_CACHE_ENTRY* > m_CacheList;

 std::map< wxString, S3D_CACHE_ENTRY*, rsort_wxString > m_CacheMap;

 FILENAME_RESOLVER* m_FNResolver;

 S3D_PLUGIN_MANAGER* m_Plugins;

 PROJECT* m_project;
 wxString m_CacheDir;
 wxString m_ConfigDir; 
};

#endif // CACHE_3D_H