VERY hacky positional audio

code/os/audio.h

@@ -13,6 +13,8 @@ struct Audio_Track {
 
 	Audio_Data *data;
 
+	F32 volume;
+
 	U32 n_played;
 	U32 next; // to play if playing, free otherwise
 };
@@ -34,6 +36,8 @@ struct Audio_Context {
 };
 
 function void Audio_Init(M_Arena *arena, Audio_Context *audio, F32 volume);
-function void Audio_Play(Audio_Context *audio, U32 index);
+function U32  Audio_Play(Audio_Context *audio, U32 index);
+
+function void Audio_ChangeVolume(Audio_Context *audio, U32 handle, F32 volume);
 
 #endif  // LD_OS_AUDIO_H_