Changeset 4207 in orxonox.OLD for orxonox/branches/openAL/src/lib/sound/sound_engine.cc

Timestamp:

May 17, 2005, 3:22:37 AM (20 years ago)

Author:

bensch

Message:

orxonox/branches/openAL: added flush-function i talked of in the Wiki

File:

• orxonox/branches/openAL/src/lib/sound/sound_engine.cc (modified) (3 diffs)

orxonox/branches/openAL/src/lib/sound/sound_engine.cc

@@ -190 +190 @@
   SoundEngine::singletonRef = NULL;
 
-  // deleting all the Resources
+  // deleting all the SoundSources
   tIterator<SoundSource>* sourceIterator = this->sourceList->getIterator();
   SoundSource* enumSource = sourceIterator->nextElement();
@@ -200 +200 @@
   delete sourceIterator;
 
+  // deleting all the SoundBuffers
   tIterator<SoundBuffer>* bufferIterator = this->bufferList->getIterator();
   SoundBuffer* enumBuffer = bufferIterator->nextElement();
@@ -315 +316 @@
 
 /**
+   \brief Removes all the Buffers that are not anymore needed by any Sources
+*/
+void SoundEngine::flushUnusedBuffers(void)
+{
+  tIterator<SoundBuffer>* bufferIterator = this->bufferList->getIterator();
+  SoundBuffer* enumBuffer = bufferIterator->nextElement();
+  while (enumBuffer)
+    {
+      tIterator<SoundSource>* sourceIterator = this->sourceList->getIterator();
+      SoundSource* enumSource = sourceIterator->nextElement();
+      while (enumSource)
+        {
+          if (enumBuffer == enumSource->getBuffer())
+            break;
+          enumSource = sourceIterator->nextElement();
+        }
+      delete sourceIterator;
+      if (enumSource == NULL)
+        ResourceManager::getInstance()->unload(enumBuffer);
+      enumBuffer = bufferIterator->nextElement();
+    }
+  delete bufferIterator;
+}
+
+/**
    \brief initializes Audio in general
 */