implemented music playlist system with 10 playlists, automatic track

[xonotic/darkplaces.git] / snd_main.c

diff --git a/snd_main.c b/snd_main.c
index f5351c9bebfac1f71a0c5805399a72745858c323..a73a5181da260d8e294fab751dc6a94a6144f047 100644 (file)
--- a/snd_main.c
+++ b/snd_main.c
@@ -171,6 +171,7 @@ cvar_t snd_spatialization_occlusion = {CVAR_SAVE, "snd_spatialization_occlusion"
 
 // Cvars declared in snd_main.h (shared with other snd_*.c files)
 cvar_t _snd_mixahead = {CVAR_SAVE, "_snd_mixahead", "0.15", "how much sound to mix ahead of time"};
+cvar_t snd_streaming = { CVAR_SAVE, "snd_streaming", "1", "enables keeping compressed ogg sound files compressed, decompressing them only as needed, otherwise they will be decompressed completely at load (may use a lot of memory)"};
 cvar_t snd_swapstereo = {CVAR_SAVE, "snd_swapstereo", "0", "swaps left/right speakers for old ISA soundblaster cards"};
 extern cvar_t v_flipped;
 cvar_t snd_channellayout = {0, "snd_channellayout", "0", "channel layout. Can be 0 (auto - snd_restart needed), 1 (standard layout), or 2 (ALSA layout)"};
@@ -261,7 +262,7 @@ static void S_Play_Common (float fvol, float attenuation)
                        ch_ind = S_StartSound (-1, 0, sfx, listener_origin, fvol, attenuation);
 
                        // Free the sfx if the file didn't exist
-                       if (ch_ind < 0)
+                       if (!sfx->fetcher)
                                S_FreeSfx (sfx, false);
                        else
                                channels[ch_ind].flags |= CHANNELFLAG_LOCALSOUND;
@@ -844,6 +845,7 @@ void S_Init(void)
        Cvar_RegisterVariable(&nosound);
        Cvar_RegisterVariable(&snd_precache);
        Cvar_RegisterVariable(&snd_initialized);
+       Cvar_RegisterVariable(&snd_streaming);
        Cvar_RegisterVariable(&ambient_level);
        Cvar_RegisterVariable(&ambient_fade);
        Cvar_RegisterVariable(&snd_noextraupdate);
@@ -1454,7 +1456,7 @@ void S_PlaySfxOnChannel (sfx_t *sfx, channel_t *target_chan, unsigned int flags,
 }
 
 
-int S_StartSound (int entnum, int entchannel, sfx_t *sfx, vec3_t origin, float fvol, float attenuation)
+int S_StartSound_StartPosition (int entnum, int entchannel, sfx_t *sfx, vec3_t origin, float fvol, float attenuation, float startposition)
 {
        channel_t *target_chan, *check, *ch;
        int             ch_idx, startpos;
@@ -1491,16 +1493,19 @@ int S_StartSound (int entnum, int entchannel, sfx_t *sfx, vec3_t origin, float f
        // if an identical sound has also been started this frame, offset the pos
        // a bit to keep it from just making the first one louder
        check = &channels[NUM_AMBIENTS];
-       startpos = 0;
-       for (ch_idx=NUM_AMBIENTS ; ch_idx < NUM_AMBIENTS + MAX_DYNAMIC_CHANNELS ; ch_idx++, check++)
+       startpos = (int)(startposition * S_GetSoundRate());
+       if (startpos == 0)
        {
-               if (check == target_chan)
-                       continue;
-               if (check->sfx == sfx && check->pos == 0)
+               for (ch_idx=NUM_AMBIENTS ; ch_idx < NUM_AMBIENTS + MAX_DYNAMIC_CHANNELS ; ch_idx++, check++)
                {
-                       // use negative pos offset to delay this sound effect
-                       startpos = (int)lhrandom(0, -0.1 * snd_renderbuffer->format.speed);
-                       break;
+                       if (check == target_chan)
+                               continue;
+                       if (check->sfx == sfx && check->pos == 0)
+                       {
+                               // use negative pos offset to delay this sound effect
+                               startpos = (int)lhrandom(0, -0.1 * snd_renderbuffer->format.speed);
+                               break;
+                       }
                }
        }
 
@@ -1509,6 +1514,11 @@ int S_StartSound (int entnum, int entchannel, sfx_t *sfx, vec3_t origin, float f
        return (target_chan - channels);
 }
 
+int S_StartSound (int entnum, int entchannel, sfx_t *sfx, vec3_t origin, float fvol, float attenuation)
+{
+       return S_StartSound_StartPosition(entnum, entchannel, sfx, origin, fvol, attenuation, 0);
+}
+
 void S_StopChannel (unsigned int channel_ind, qboolean lockmutex)
 {
        channel_t *ch;
@@ -1650,6 +1660,8 @@ float S_GetChannelPosition (unsigned int ch_ind)
        int s;
        channel_t *ch = &channels[ch_ind];
        sfx_t *sfx = ch->sfx;
+       if (!sfx)
+               return -1;
 
        s = ch->pos;
        /*