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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.cpp 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'. ************************************************************************/ #include "resourceManagement/cResourceManager.h" #include "n2l/vfs.h" #include "materials/cGLTexture.h" #include "gui/cGuiElement.h" #include "gui/cGuiFactory.h" /******************************************************************************/ namespace n2l { cAutoPtr<const cVfsDirectoryInterface> cResourceManager::mData(0); cResourceManager::tResourceContainer cResourceManager::mResources; tUint cResourceManager::mAggLoadTime = 0; tBool cResourceManager::mTiming = false; /**************************************************************************/ void cResourceManager::dataRoot( const cAutoPtr<const cVfsDirectoryInterface> &iDataRoot ) { mData = iDataRoot; } /**************************************************************************/ const cAutoPtr<const cVfsDirectoryInterface> &cResourceManager::dataRoot() { return mData; } /**************************************************************************/ const cAutoPtr<const cGuiElement> &cResourceManager::getGuiElement( const tString &iName ) { checkDataRoot(); n2lDebug( "Loading Gui Element \"", 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 { mResources[iName] = new cResourceSheath<cGuiElement>( cGuiFactory::current().load(*mData->mustFind(iName)) ); } catch (const cException &iE) { mTiming = false; iE.rethrow(); } } else n2lDebug( "\" from cache" ); if (countMyself) { mAggLoadTime += n2lGetTicks()-STime; mTiming = false; countMyself = false; } return cAutoPtr<cResourceSheath<cGuiElement> >( mResources[iName])->resource(); } /**************************************************************************/ const cAutoPtr<const cVfsNodeInterface> &cResourceManager::getVfsNode( const tString &iName ) { checkDataRoot(); n2lDebug( "Loading VFS Node \"", 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 { mResources[iName] = new cResourceSheath<const cVfsNodeInterface>( mData->mustFind(iName) ); } catch (const cException &iE) { mTiming = false; iE.rethrow(); } } else n2lDebug( "\" from cache" ); if (countMyself) { mAggLoadTime += n2lGetTicks()-STime; mTiming = false; countMyself = false; } return cAutoPtr<cResourceSheath<const cVfsNodeInterface> >( mResources[iName])->resource(); } /**************************************************************************/ void cResourceManager::refreshTextures() { for (tResourceContainer::const_iterator it = mResources.begin(); it!=mResources.end(); ++it) { tBool isTexture( true ); try { cAutoPtr<cResourceSheath<cGLTexture> >(it->second); } catch (...) { isTexture = false; } if (isTexture) { n2lDebug( tString("Reloading texture: ") + it->first ); cAutoPtr<cResourceSheath<cGLTexture> >( it->second)->resource()->refresh(); } } } /**************************************************************************/ const tUint cResourceManager::numReferences( const tString & iName ) { const tResourceContainer::iterator ResourceIT( mResources.find(iName)); if (ResourceIT==mResources.end()) return 0; return ResourceIT->second->count(); } /**************************************************************************/ const tString cResourceManager::getReferenceReport() { tString temp("cResourceManager References:\n"); for (tResourceContainer::const_iterator it = mResources.begin(); it!=mResources.end(); ++it) { temp += "\t"; temp += asString(it->second->count()); temp += "x\t"; temp += it->first; temp += "\n"; } temp += "/cResourceManager References"; return temp; } /**************************************************************************/ void cResourceManager::clearAllCache() { mResources.clear(); } /**************************************************************************/ void cResourceManager::clearCachedResource( const tString & iName ) { n2lDebug( "Clearing cache of: \"",false ); n2lDebug( iName, false ); const tResourceContainer::iterator ResourceIT( mResources.find(iName)); if (ResourceIT==mResources.end()) { n2lDebug( "\" - not in the cache" ); return; } n2lDebug( "\"" ); mResources.erase( ResourceIT ); } /**************************************************************************/ void cResourceManager::clearUnusedCache() { for (tResourceContainer::iterator it = mResources.begin(); it!=mResources.end(); ) { tResourceContainer::iterator nextIT = it; ++nextIT; // In case we delete (there has to be a better way // than this) if (it->second->count()==1) { n2lDebug( "Clearing cache of: ",false ); n2lDebug( it->first ); mResources.erase(it); } it = nextIT; } } /**************************************************************************/ void cResourceManager::checkDataRoot() { if (!mData) throw cBadDataUseException( "cResourceManager::checkDataRoot", "No data root specified" ); } } // namespace

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