Avoid multiple sounds playing at the same time

cockatrice/src/soundengine.cpp

@@ -33,7 +33,7 @@
 #define TEST_SOUND_FILENAME "player_join"
 
 SoundEngine::SoundEngine(QObject *parent)
-: QObject(parent), enabled(false)
+: QObject(parent), engine(0)
 {
     ensureThemeDirectoryExists();
     connect(settingsCache, SIGNAL(soundThemeChanged()), this, SLOT(themeChangedSlot()));
@@ -43,6 +43,15 @@ SoundEngine::SoundEngine(QObject *parent)
     themeChangedSlot();
 }
 
+SoundEngine::~SoundEngine()
+{
+    if(engine)
+    {
+        delete engine;
+        engine = 0;
+    }    
+}
+
 void SoundEngine::soundEnabledChanged()
 {
     if (settingsCache->getSoundEnabled()) {
@@ -76,7 +85,19 @@ void SoundEngine::playSound(QString fileName)
     if(!fi.exists())
         return;
 
-    QSound::play(fi.absoluteFilePath());
+    if(engine)
+    {
+        if(engine->isFinished())
+        {
+            engine->stop();
+            delete engine;            
+        } else {
+            return;
+        }
+    }
+
+    engine = new QSound(fi.absoluteFilePath());
+    engine->play();
 }
 
 void SoundEngine::testSound()

cockatrice/src/soundengine.h

@@ -6,16 +6,20 @@
 #include <QDir>
 #include <QString>
 
+class QSound;
+
 typedef QMap<QString, QString> QStringMap;
 
 class SoundEngine : public QObject {
     Q_OBJECT
 public:
     SoundEngine(QObject *parent = 0);
+    ~SoundEngine();
     void playSound(QString fileName);
     QStringMap &getAvailableThemes();
 private:
     bool enabled;
+    QSound * engine;
     QStringMap availableThemes;
 protected:
     void ensureThemeDirectoryExists();