enable MOVE_ values on PF_tracebox (already enabled on PF_traceline)

[xonotic/darkplaces.git] / snd_dma.c

diff --git a/snd_dma.c b/snd_dma.c
index 0c785bcc579cc629eb721be273399c49deb19c15..e3b4a09b439aab65cbba8b6072660f897ffb73db 100644 (file)
--- a/snd_dma.c
+++ b/snd_dma.c
@@ -342,8 +342,13 @@ S_TouchSound
 */
 void S_TouchSound (char *name)
 {
-       S_FindName(name);
-       // TODO: set the "used" flag for this sound
+       sfx_t *sfx;
+
+       sfx = S_FindName (name);
+
+       // Set the "used" flag for this sound
+       if (sfx != NULL)
+               sfx->flags |= SFXFLAG_USED;
 }
 
 
@@ -351,11 +356,15 @@ void S_TouchSound (char *name)
 ==================
 S_ClearUsed
 
+Reset the "used" flag of all precached sounds
 ==================
 */
 void S_ClearUsed (void)
 {
-       // TODO: reset the "used" flag of all precached sounds
+       int i;
+
+       for (i = 0; i < num_sfx; i++)
+               known_sfx[i].flags &= ~SFXFLAG_USED;
 }
 
 
@@ -363,11 +372,20 @@ void S_ClearUsed (void)
 ==================
 S_PurgeUnused
 
+Free all precached sounds without the "used" flag
 ==================
 */
 void S_PurgeUnused (void)
 {
-       // TODO: free all precached sounds without the "used" flag
+       int i;
+       sfx_t *sfx;
+
+       for (i = 0; i < num_sfx; i++)
+       {
+               sfx = &known_sfx[i];
+               if (! (sfx->flags & SFXFLAG_USED))
+                       S_UnloadSound (sfx);
+       }
 }
 
 
@@ -718,7 +736,8 @@ void S_UpdateAmbientSounds (void)
 // calc ambient sound levels
        for (ambient_channel = 0 ; ambient_channel< NUM_AMBIENTS ; ambient_channel++)
        {
-               if (ambient_sfx[ambient_channel] && ambient_sfx[ambient_channel]->silentlymissing)
+               if (ambient_sfx[ambient_channel] &&
+                       (ambient_sfx[ambient_channel]->flags & SFXFLAG_SILENTLYMISSING))
                        continue;
                chan = &channels[ambient_channel];
                chan->forceloop = true;