/*
=========
-S_IsCached
+S_GetCached
=========
*/
*/
void S_TouchSound (char *name)
{
- S_FindName(name);
+ sfx_t *sfx;
+
+ sfx = S_FindName (name);
+
+ // Set the "used" flag for this sound
+ if (sfx != NULL)
+ sfx->flags |= SFXFLAG_USED;
}
+
+/*
+==================
+S_ClearUsed
+
+Reset the "used" flag of all precached sounds
+==================
+*/
+void S_ClearUsed (void)
+{
+ int i;
+
+ for (i = 0; i < num_sfx; i++)
+ known_sfx[i].flags &= ~SFXFLAG_USED;
+}
+
+
+/*
+==================
+S_PurgeUnused
+
+Free all precached sounds without the "used" flag
+==================
+*/
+void S_PurgeUnused (void)
+{
+ int i;
+ sfx_t *sfx;
+
+ for (i = 0; i < num_sfx; i++)
+ {
+ sfx = &known_sfx[i];
+ if (! (sfx->flags & SFXFLAG_USED))
+ S_UnloadSound (sfx);
+ }
+}
+
+
/*
==================
S_PrecacheSound
// 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;
}
-void S_ClearPrecache (void)
-{
-}
-
-
-void S_BeginPrecaching (void)
-{
-}
-
-
-void S_EndPrecaching (void)
-{
-}
-
-
#define RAWSAMPLESBUFFER 32768
short s_rawsamplesbuffer[RAWSAMPLESBUFFER * 2];
int s_rawsamplesbuffer_start;