turned PlayingSoundHandle into an 'opaque' (well not really :-) data type, mainly because people kept (accidentally and sometimes on purpose :-) misusing them

svn-id: r11881

1 files changed, 12 insertions, 2 deletions

diff --git a/sound/mixer.h b/sound/mixer.h
index 3ed2cd798f..d1bd379408 100644
--- a/sound/mixer.h
+++ b/sound/mixer.h
@@ -35,12 +35,22 @@
 #endif
 
 
-typedef uint32 PlayingSoundHandle;
-
 class AudioInputStream;
 class Channel;
 class File;
 
+class PlayingSoundHandle {
+	friend class Channel;
+	friend class SoundMixer;
+	int val;
+	int getIndex() const { return val - 1; }
+	void setIndex(int i) { val = i + 1; }
+	void resetIndex() { val = 0; }
+public:
+	PlayingSoundHandle() { resetIndex(); }
+	bool isActive() const { return val > 0; }
+};
+
 class SoundMixer {
 public:
 	typedef void PremixProc (void *param, int16 *data, uint len);