220 lines
8.6 KiB
C++
220 lines
8.6 KiB
C++
/* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2006 Robert Osfield
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*
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* This library is open source and may be redistributed and/or modified under
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* the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or
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* (at your option) any later version. The full license is in LICENSE file
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* included with this distribution, and on the openscenegraph.org website.
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*
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* This library 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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* OpenSceneGraph Public License for more details.
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*/
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#ifndef OSGDB_OPTIONS
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#define OSGDB_OPTIONS 1
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#include <osgDB/Callbacks>
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#include <deque>
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#include <list>
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#include <iosfwd>
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namespace osgDB {
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/** Options base class used for passing options into plugins to control their operation.*/
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class OSGDB_EXPORT Options : public osg::Object
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{
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public:
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/// bit mask for setting up which object types get cached by readObject/Image/HeightField/Node(filename) calls
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enum CacheHintOptions
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{ /// do not cache objects of any type
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CACHE_NONE = 0,
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/// cache nodes loaded via readNode(filename)
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CACHE_NODES = 1<<0,
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/// cache images loaded via readImage(filename)
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CACHE_IMAGES = 1<<1,
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/// cache heightfield loaded via readHeightField(filename)
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CACHE_HEIGHTFIELDS = 1<<2,
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/// cache heightfield loaded via readHeightField(filename)
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CACHE_ARCHIVES = 1<<3,
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/// cache objects loaded via readObject(filename)
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CACHE_OBJECTS = 1<<4,
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/// cache shaders loaded via readShader(filename)
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CACHE_SHADERS = 1<<5,
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/// cache on all read*(filename) calls
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CACHE_ALL = CACHE_NODES |
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CACHE_IMAGES |
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CACHE_HEIGHTFIELDS |
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CACHE_ARCHIVES |
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CACHE_OBJECTS |
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CACHE_SHADERS
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};
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/// range of options of whether to build kdtrees automatically on loading
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enum BuildKdTreesHint
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{
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NO_PREFERENCE,
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DO_NOT_BUILD_KDTREES,
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BUILD_KDTREES
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};
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Options():
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osg::Object(true),
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_objectCacheHint(CACHE_ARCHIVES),
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_buildKdTreesHint(NO_PREFERENCE) {}
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Options(const std::string& str):
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osg::Object(true),
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_str(str),
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_objectCacheHint(CACHE_ARCHIVES),
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_buildKdTreesHint(NO_PREFERENCE) {}
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Options(const Options& options,const osg::CopyOp& copyop=osg::CopyOp::SHALLOW_COPY);
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META_Object(osgDB,Options);
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/** Set the general Options string.*/
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void setOptionString(const std::string& str) { _str = str; }
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/** Get the general Options string.*/
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const std::string& getOptionString() const { return _str; }
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/** Set the database path to use a hint of where to look when loading models.*/
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void setDatabasePath(const std::string& str) { _databasePaths.clear(); _databasePaths.push_back(str); }
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/** Get the database path which is used a hint of where to look when loading models.*/
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FilePathList& getDatabasePathList() { return _databasePaths; }
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/** Get the const database path which is used a hint of where to look when loading models.*/
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const FilePathList& getDatabasePathList() const { return _databasePaths; }
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/** Set whether the Registry::ObjectCache should be used by default.*/
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void setObjectCacheHint(CacheHintOptions useObjectCache) { _objectCacheHint = useObjectCache; }
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/** Get whether the Registry::ObjectCache should be used by default.*/
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CacheHintOptions getObjectCacheHint() const { return _objectCacheHint; }
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/** Set whether the KdTrees should be built for geometry in the loader model. */
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void setBuildKdTreesHint(BuildKdTreesHint hint) { _buildKdTreesHint = hint; }
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/** Get whether the KdTrees should be built for geometry in the loader model. */
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BuildKdTreesHint getBuildKdTreesHint() const { return _buildKdTreesHint; }
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/** Set the password map to be used by plugins when access files from secure locations.*/
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void setAuthenticationMap(AuthenticationMap* authenticationMap) { _authenticationMap = authenticationMap; }
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/** Get the password map to be used by plugins when access files from secure locations.*/
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const AuthenticationMap* getAuthenticationMap() const { return _authenticationMap.get(); }
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/** Sets a plugindata value PluginData with a string */
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void setPluginData(const std::string& s, void* v) const { _pluginData[s] = v; }
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/** Get a value from the PluginData */
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void* getPluginData(const std::string& s) { return _pluginData[s]; }
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/** Get a value from the PluginData */
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const void* getPluginData(const std::string& s) const
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{
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PluginDataMap::const_iterator itr = _pluginData.find(s);
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return (itr == _pluginData.end()) ? 0 : itr->second;
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}
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/** Remove a value from the PluginData */
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void removePluginData(const std::string& s) const { _pluginData.erase(s); }
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/** Sets a plugindata value PluginData with a string */
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void setPluginStringData(const std::string& s, const std::string& v) const { _pluginStringData[s] = v; }
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/** Get a string from the PluginStrData */
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std::string getPluginStringData(const std::string& s) { return _pluginStringData[s]; }
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/** Get a value from the PluginData */
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const std::string getPluginStringData(const std::string& s) const
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{
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PluginStringDataMap::const_iterator itr = _pluginStringData.find(s);
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return (itr == _pluginStringData.end()) ? std::string("") : itr->second;
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}
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/** Remove a value from the PluginData */
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void removePluginStringData(const std::string& s) const { _pluginStringData.erase(s); }
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/** Set the find callback to use in place of the default findFile calls.*/
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void setFindFileCallback( FindFileCallback* cb) { _findFileCallback = cb; }
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/** Get the const findFile callback.*/
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FindFileCallback* getFindFileCallback() const { return _findFileCallback.get(); }
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/** Set the read callback to use in place of the default readFile calls.*/
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void setReadFileCallback( ReadFileCallback* cb) { _readFileCallback = cb; }
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/** Get the const readFile callback.*/
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ReadFileCallback* getReadFileCallback() const { return _readFileCallback.get(); }
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/** Set the callback to use in place of the default writeFile calls.*/
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void setWriteFileCallback( WriteFileCallback* cb) { _writeFileCallback = cb; }
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/** Get the const writeFile callback.*/
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WriteFileCallback* getWriteFileCallback() const { return _writeFileCallback.get(); }
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/** Set the callback to use inform the DatabasePager whether a file is located on local or remote file system..*/
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void setFileLocationCallback( FileLocationCallback* cb) { _fileLocationCallback = cb; }
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/** Get the callback to use inform the DatabasePager whether a file is located on local or remote file system..*/
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FileLocationCallback* getFileLocationCallback() const { return _fileLocationCallback.get(); }
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/** Set the FileCache that is used to manage local storage of files downloaded from the internet.*/
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void setFileCache(FileCache* fileCache) { _fileCache = fileCache; }
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/** Get the FileCache that is used to manage local storage of files downloaded from the internet.*/
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FileCache* getFileCache() const { return _fileCache.get(); }
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protected:
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virtual ~Options() {}
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std::string _str;
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FilePathList _databasePaths;
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CacheHintOptions _objectCacheHint;
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BuildKdTreesHint _buildKdTreesHint;
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osg::ref_ptr<AuthenticationMap> _authenticationMap;
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typedef std::map<std::string,void*> PluginDataMap;
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mutable PluginDataMap _pluginData;
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typedef std::map<std::string,std::string> PluginStringDataMap;
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mutable PluginStringDataMap _pluginStringData;
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osg::ref_ptr<FindFileCallback> _findFileCallback;
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osg::ref_ptr<ReadFileCallback> _readFileCallback;
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osg::ref_ptr<WriteFileCallback> _writeFileCallback;
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osg::ref_ptr<FileLocationCallback> _fileLocationCallback;
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osg::ref_ptr<FileCache> _fileCache;
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};
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}
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#endif // OSGDB_OPTIONS
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