sfx: add volume control to sfx_play()

Preparatory commit for experimenting with varying volumes based
on distance.  Impetus is an interest in making the TV clips
always play when the TV appears, but vary the volume with
distance.

1 files changed, 1 insertions, 1 deletions

diff --git a/src/sfx.h b/src/sfx.h
index a37b22c..48d797b 100644
--- a/src/sfx.h
+++ b/src/sfx.h
@@ -48,6 +48,6 @@ typedef struct sfx_t {
 extern sfx_t	sfx;
 
 void sfx_init(void);
-void sfx_play(sfx_sound_t *sound);
+void sfx_play(sfx_sound_t *sound, float volume);
 
 #endif