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LibN2L N2L Home Older News Downloads Documentation (n2l5) Class Hierarchy Compound List File List n2l:: Members Functions Whole n2l:: Ref Documentation (libN2L-4) Class Hierarchy Compound List File List n2l:: Members Functions Whole n2l:: Ref Bugtracker Project Page Report a Bug Bug List Related Things Life 2130 Devel Game Journal

LibN2L-4 Library Code Reference Classes Compounds Files Members Method Index Full Reference cResourceManager.h Go to the documentation of this file. /************************************************************************ Nova-2 Library (libN2L, or simply n2l) Game development C++ Library Copyright (C) 2003 Aaron Cameron This library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. This library 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 Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with this library; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA A copy of the GNU Lesser General Public License has been provided with this library in the file 'COPYING'. Contact information for the author of this library has been provided with this library in the file 'AUTHOR'. ************************************************************************/ #ifndef _n2l4_cResourceManager_H #define _n2l4_cResourceManager_H #include "n2l/n2l.h" #include "n2l/vfs.h" #include "n2l/timing.h" #include <map> /******************************************************************************/ namespace n2l { class cVfsDirectoryInterface; class cVfsNodeInterface; class cGuiElement; class cResourceManager { public: static void dataRoot( const cAutoPtr<const cVfsDirectoryInterface> &iDataRoot ); static const cAutoPtr<const cVfsDirectoryInterface> &dataRoot(); // ------------------------------------ // Methods to load resources // This actually has to stay. static const cAutoPtr<const cGuiElement> &getGuiElement( const tString &iName ); static const cAutoPtr<const cVfsNodeInterface> &getVfsNode( const tString &iName ); template <class TRes> static const cAutoPtr<const TRes> &get( const tString &iName ) { checkDataRoot(); n2lDebug( "Loading general resource \"", false ); n2lDebug( iName, false ); const tUint STime = n2lGetTicks(); tBool countMyself = false; if (!mTiming) { mTiming = true; countMyself = true; } tResourceContainer::const_iterator rIT( mResources.find(iName) ); if (rIT==mResources.end()) { n2lDebug( "\" from filesystem" ); try { cResourceSheath<TRes> *temp = new cResourceSheath<TRes>( new TRes(*mData->mustFind(iName)) ); mResources[iName] = temp; } catch (const cException &iE) { mTiming = false; iE.rethrow(); } } else n2lDebug( "\" from cache" ); if (countMyself) { mAggLoadTime += n2lGetTicks()-STime; mTiming = false; countMyself = false; } return cAutoPtr<cResourceSheath<TRes> >( mResources[iName])->resource(); } // ------------------------------------ // Methods for maintenance static void refreshTextures(); // ------------------------------------ // Methods to do reporting static const tUint numReferences( const tString &iName ); static const tString getReferenceReport(); // ------------------------------------ // Methods to do housework static void clearAllCache(); static void clearUnusedCache(); static void clearCachedResource( const tString &iName ); static const tUint aggLoadTime() { return mAggLoadTime; } static void clearAggLoadTime() { mAggLoadTime = 0; } private: class cResource { public: virtual ~cResource() {} virtual const tUint count() const = 0; }; template<class TType> class cResourceSheath : public cResource { public: cResourceSheath( const cAutoPtr<const TType> iResource ) : mResource(iResource) {} virtual ~cResourceSheath() {} virtual const cAutoPtr<const TType> & resource() const { return mResource; } virtual const tUint count() const { return mResource.count(); } private: const cAutoPtr<const TType> mResource; }; typedef std::map<tString,cAutoPtr<cResource> > tResourceContainer; // ------------------------------------ // Members static cAutoPtr<const cVfsDirectoryInterface> mData; static tResourceContainer mResources; static tUint mAggLoadTime; static tBool mTiming; // ------------------------------------ // Private Methods static void checkDataRoot(); }; // class } // namespace #endif

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