Code cleanup and more cache clearing

apps/opencs/model/world/data.cpp

@@ -1220,29 +1220,31 @@ void CSMWorld::Data::assetsChanged()
 {
     mVFS->rebuildIndex();
 
-    ResourceTable* meshTable = static_cast<ResourceTable*>(getTableModel(UniversalId::Type_Meshes));
-    ResourceTable* iconTable = static_cast<ResourceTable*>(getTableModel(UniversalId::Type_Icons));
-    ResourceTable* musicTable = static_cast<ResourceTable*>(getTableModel(UniversalId::Type_Musics));
-    ResourceTable* soundResTable = static_cast<ResourceTable*>(getTableModel(UniversalId::Type_SoundsRes));
-    ResourceTable* texTable = static_cast<ResourceTable*>(getTableModel(UniversalId::Type_Textures));
-    ResourceTable* vidTable = static_cast<ResourceTable*>(getTableModel(UniversalId::Type_Videos));
-
-    meshTable->beginReset();
-    iconTable->beginReset();
-    musicTable->beginReset();
-    soundResTable->beginReset();
-    texTable->beginReset();
-    vidTable->beginReset();
+    const UniversalId assetTableIds[] = {
+        UniversalId::Type_Meshes,
+        UniversalId::Type_Icons,
+        UniversalId::Type_Musics,
+        UniversalId::Type_SoundsRes,
+        UniversalId::Type_Textures,
+        UniversalId::Type_Videos
+    };
+
+    size_t numAssetTables = sizeof(assetTableIds) / sizeof(UniversalId);
+
+    for (size_t i = 0; i < numAssetTables; ++i)
+    {
+        ResourceTable* table = static_cast<ResourceTable*>(getTableModel(assetTableIds[i]));
+        table->beginReset();
+    }
 
     // Trigger recreation
     mResourcesManager.recreateResources();
 
-    meshTable->endReset();
-    iconTable->endReset();
-    musicTable->endReset();
-    soundResTable->endReset();
-    texTable->endReset();
-    vidTable->endReset();
+    for (size_t i = 0; i < numAssetTables; ++i)
+    {
+        ResourceTable* table = static_cast<ResourceTable*>(getTableModel(assetTableIds[i]));
+        table->endReset();
+    }
 
     // Get rid of potentially old cached assets
     mResourceSystem->clearCache();

apps/opencs/view/doc/view.cpp

@@ -896,7 +896,6 @@ void CSVDoc::View::addMetaDataSubView()
     addSubView (CSMWorld::UniversalId (CSMWorld::UniversalId::Type_MetaData, "sys::meta"));
 }
 
-
 void CSVDoc::View::abortOperation (int type)
 {
     mDocument->abortOperation (type);

apps/opencs/view/render/cell.cpp

@@ -294,7 +294,6 @@ void CSVRender::Cell::reloadAssets()
     if (mTerrain)
     {
         mTerrain->unloadCell(mCoordinates.getX(), mCoordinates.getY());
-        mTerrain->clearCache();
         mTerrain->loadCell(mCoordinates.getX(), mCoordinates.getY());
     }
 

components/resource/bulletshapemanager.cpp

@@ -190,6 +190,13 @@ void BulletShapeManager::updateCache(double referenceTime)
     mInstanceCache->removeUnreferencedObjectsInCache();
 }
 
+void BulletShapeManager::clearCache()
+{
+    ResourceManager::clearCache();
+
+    mInstanceCache->clear();
+}
+
 void BulletShapeManager::reportStats(unsigned int frameNumber, osg::Stats *stats) const
 {
     stats->setAttribute(frameNumber, "Shape", mCache->getCacheSize());

components/resource/bulletshapemanager.hpp

@@ -42,6 +42,8 @@ namespace Resource
         /// @see ResourceManager::updateCache
         virtual void updateCache(double referenceTime);
 
+        virtual void clearCache();
+
         void reportStats(unsigned int frameNumber, osg::Stats *stats) const;
 
     private:

components/resource/multiobjectcache.cpp

@@ -43,6 +43,12 @@ namespace Resource
         objectsToRemove.clear();
     }
 
+    void MultiObjectCache::clear()
+    {
+        OpenThreads::ScopedLock<OpenThreads::Mutex> lock(_objectCacheMutex);
+        _objectCache.clear();
+    }
+
     void MultiObjectCache::addEntryToObjectCache(const std::string &filename, osg::Object *object)
     {
         OpenThreads::ScopedLock<OpenThreads::Mutex> lock(_objectCacheMutex);

components/resource/multiobjectcache.hpp

@@ -25,6 +25,9 @@ namespace Resource
 
         void removeUnreferencedObjectsInCache();
 
+        /** Remove all objects from the cache. */
+        void clear();
+
         void addEntryToObjectCache(const std::string& filename, osg::Object* object);
 
         /** Take an Object from cache. Return NULL if no object found. */

components/resource/resourcesystem.hpp

@@ -42,6 +42,7 @@ namespace Resource
         void updateCache(double referenceTime);
 
         /// Indicates to each resource manager to clear the entire cache.
+        /// @note May be called from any thread if you do not add or remove resource managers at that point.
         void clearCache();
 
         /// Add this ResourceManager to be handled by the ResourceSystem.

components/resource/scenemanager.cpp

@@ -723,6 +723,7 @@ namespace Resource
 
         OpenThreads::ScopedLock<OpenThreads::Mutex> lock(mSharedStateMutex);
         mSharedStateManager->clearCache();
+        mInstanceCache->clear();
     }
 
     void SceneManager::reportStats(unsigned int frameNumber, osg::Stats *stats) const

components/terrain/world.cpp

@@ -70,12 +70,6 @@ float World::getHeightAt(const osg::Vec3f &worldPos)
     return mStorage->getHeightAt(worldPos);
 }
 
-void World::clearCache()
-{
-    mTextureManager->clearCache();
-    mChunkManager->clearCache();
-}
-
 void World::updateTextureFiltering()
 {
     mTextureManager->updateTextureFiltering();

components/terrain/world.hpp

@@ -67,9 +67,6 @@ namespace Terrain
         /// @note Thread safe.
         virtual void cacheCell(View* view, int x, int y) {}
 
-        /// Clears cached texture and chunk data.
-        virtual void clearCache();
-
         /// Load the cell into the scene graph.
         /// @note Not thread safe.
         /// @note May be ignored by derived implementations that don't organize the terrain into cells.