Fixed soundbuffer contents not being able to be updated when still attached to sounds (#354), sounds now detach from their buffer when it is reset. Signed-off-by: binary1248 <binary1248@hotmail.com>

src/SFML/Audio/Sound.cpp

@@ -189,8 +189,12 @@ void Sound::resetBuffer()
     stop();
 
     // Detach the buffer
-    alCheck(alSourcei(m_source, AL_BUFFER, 0));
-    m_buffer = NULL;
+    if (m_buffer)
+    {
+        alCheck(alSourcei(m_source, AL_BUFFER, 0));
+        m_buffer->detachSound(this);
+        m_buffer = NULL;
+    }
 }
 
 } // namespace sf

src/SFML/Audio/SoundBuffer.cpp

@@ -248,6 +248,13 @@ bool SoundBuffer::update(unsigned int channelCount, unsigned int sampleRate)
         return false;
     }
 
+    // First make a copy of the list of sounds so we can reattach later
+    SoundList sounds(m_sounds);
+
+    // Detach the buffer from the sounds that use it (to avoid OpenAL errors)
+    for (SoundList::const_iterator it = sounds.begin(); it != sounds.end(); ++it)
+        (*it)->resetBuffer();
+
     // Fill the buffer
     ALsizei size = static_cast<ALsizei>(m_samples.size()) * sizeof(Int16);
     alCheck(alBufferData(m_buffer, format, &m_samples[0], size, sampleRate));
@@ -255,6 +262,10 @@ bool SoundBuffer::update(unsigned int channelCount, unsigned int sampleRate)
     // Compute the duration
     m_duration = seconds(static_cast<float>(m_samples.size()) / sampleRate / channelCount);
 
+    // Now reattach the buffer to the sounds that use it
+    for (SoundList::const_iterator it = sounds.begin(); it != sounds.end(); ++it)
+        (*it)->setBuffer(*this);
+
     return true;
 }