]> de.git.xonotic.org Git - xonotic/darkplaces.git/blobdiff - cd_shared.c
use dynamic eye position-centered bouncegrid when rendering in dynamic
[xonotic/darkplaces.git] / cd_shared.c
index a7919448c805f3fcd4f631cc9341b7495ad5f119..7ca41ed60079493485e6ad7db7323fdf94f30e32 100644 (file)
@@ -21,12 +21,16 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 // rights reserved.
 
 #include "quakedef.h"
+#include "cdaudio.h"
+#include "sound.h"
 
 // Prototypes of the system dependent functions
 extern void CDAudio_SysEject (void);
 extern void CDAudio_SysCloseDoor (void);
 extern int CDAudio_SysGetAudioDiskInfo (void);
-extern int CDAudio_SysPlay (qbyte track);
+extern float CDAudio_SysGetVolume (void);
+extern void CDAudio_SysSetVolume (float volume);
+extern int CDAudio_SysPlay (int track);
 extern int CDAudio_SysStop (void);
 extern int CDAudio_SysPause (void);
 extern int CDAudio_SysResume (void);
@@ -36,27 +40,95 @@ extern int CDAudio_SysStartup (void);
 extern void CDAudio_SysShutdown (void);
 
 // used by menu to ghost CD audio slider
-cvar_t cdaudioinitialized = {CVAR_READONLY,"cdaudioinitialized","0"};
+cvar_t cdaudioinitialized = {CVAR_READONLY,"cdaudioinitialized","0","indicates if CD Audio system is active"};
+cvar_t cdaudio = {CVAR_SAVE,"cdaudio","1","CD playing mode (0 = never access CD drive, 1 = play CD tracks if no replacement available, 2 = play fake tracks if no CD track available, 3 = play only real CD tracks, 4 = play real CD tracks even instead of named fake tracks)"};
+
+#define MAX_PLAYLISTS 10
+int music_playlist_active = -1;
+int music_playlist_playing = 0; // 0 = not playing, 1 = playing, -1 = tried and failed
+
+cvar_t music_playlist_index = {0, "music_playlist_index", "-1", "selects which of the music_playlist_ variables is the active one, -1 disables playlists"};
+cvar_t music_playlist_list[MAX_PLAYLISTS] =
+{
+       {0, "music_playlist_list0", "", "list of tracks to play"},
+       {0, "music_playlist_list1", "", "list of tracks to play"},
+       {0, "music_playlist_list2", "", "list of tracks to play"},
+       {0, "music_playlist_list3", "", "list of tracks to play"},
+       {0, "music_playlist_list4", "", "list of tracks to play"},
+       {0, "music_playlist_list5", "", "list of tracks to play"},
+       {0, "music_playlist_list6", "", "list of tracks to play"},
+       {0, "music_playlist_list7", "", "list of tracks to play"},
+       {0, "music_playlist_list8", "", "list of tracks to play"},
+       {0, "music_playlist_list9", "", "list of tracks to play"}
+};
+cvar_t music_playlist_current[MAX_PLAYLISTS] =
+{
+       {0, "music_playlist_current0", "0", "current track index to play in list"},
+       {0, "music_playlist_current1", "0", "current track index to play in list"},
+       {0, "music_playlist_current2", "0", "current track index to play in list"},
+       {0, "music_playlist_current3", "0", "current track index to play in list"},
+       {0, "music_playlist_current4", "0", "current track index to play in list"},
+       {0, "music_playlist_current5", "0", "current track index to play in list"},
+       {0, "music_playlist_current6", "0", "current track index to play in list"},
+       {0, "music_playlist_current7", "0", "current track index to play in list"},
+       {0, "music_playlist_current8", "0", "current track index to play in list"},
+       {0, "music_playlist_current9", "0", "current track index to play in list"},
+};
+cvar_t music_playlist_random[MAX_PLAYLISTS] =
+{
+       {0, "music_playlist_random0", "0", "enables random play order if 1, 0 is sequential play"},
+       {0, "music_playlist_random1", "0", "enables random play order if 1, 0 is sequential play"},
+       {0, "music_playlist_random2", "0", "enables random play order if 1, 0 is sequential play"},
+       {0, "music_playlist_random3", "0", "enables random play order if 1, 0 is sequential play"},
+       {0, "music_playlist_random4", "0", "enables random play order if 1, 0 is sequential play"},
+       {0, "music_playlist_random5", "0", "enables random play order if 1, 0 is sequential play"},
+       {0, "music_playlist_random6", "0", "enables random play order if 1, 0 is sequential play"},
+       {0, "music_playlist_random7", "0", "enables random play order if 1, 0 is sequential play"},
+       {0, "music_playlist_random8", "0", "enables random play order if 1, 0 is sequential play"},
+       {0, "music_playlist_random9", "0", "enables random play order if 1, 0 is sequential play"},
+};
+cvar_t music_playlist_sampleposition[MAX_PLAYLISTS] =
+{
+       {0, "music_playlist_sampleposition0", "-1", "resume position for track, -1 restarts every time"},
+       {0, "music_playlist_sampleposition1", "-1", "resume position for track, -1 restarts every time"},
+       {0, "music_playlist_sampleposition2", "-1", "resume position for track, -1 restarts every time"},
+       {0, "music_playlist_sampleposition3", "-1", "resume position for track, -1 restarts every time"},
+       {0, "music_playlist_sampleposition4", "-1", "resume position for track, -1 restarts every time"},
+       {0, "music_playlist_sampleposition5", "-1", "resume position for track, -1 restarts every time"},
+       {0, "music_playlist_sampleposition6", "-1", "resume position for track, -1 restarts every time"},
+       {0, "music_playlist_sampleposition7", "-1", "resume position for track, -1 restarts every time"},
+       {0, "music_playlist_sampleposition8", "-1", "resume position for track, -1 restarts every time"},
+       {0, "music_playlist_sampleposition9", "-1", "resume position for track, -1 restarts every time"},
+};
 
 static qboolean wasPlaying = false;
 static qboolean initialized = false;
 static qboolean enabled = false;
 static float cdvolume;
-static qbyte remap[100];
-static qbyte maxTrack;
+typedef char filename_t[MAX_QPATH];
+#ifdef MAXTRACKS
+static filename_t remap[MAXTRACKS];
+#endif
+static unsigned char maxTrack;
 static int faketrack = -1;
 
+static float saved_vol = 1.0f;
+
 // exported variables
 qboolean cdValid = false;
 qboolean cdPlaying = false;
 qboolean cdPlayLooping = false;
-qbyte cdPlayTrack;
+unsigned char cdPlayTrack;
 
+cl_cdstate_t cd;
 
 static void CDAudio_Eject (void)
 {
        if (!enabled)
                return;
+       
+       if(cdaudio.integer == 0)
+               return;
 
        CDAudio_SysEject();
 }
@@ -67,6 +139,9 @@ static void CDAudio_CloseDoor (void)
        if (!enabled)
                return;
 
+       if(cdaudio.integer == 0)
+               return;
+
        CDAudio_SysCloseDoor();
 }
 
@@ -76,6 +151,9 @@ static int CDAudio_GetAudioDiskInfo (void)
 
        cdValid = false;
 
+       if(cdaudio.integer == 0)
+               return -1;
+
        ret = CDAudio_SysGetAudioDiskInfo();
        if (ret < 1)
                return -1;
@@ -86,82 +164,246 @@ static int CDAudio_GetAudioDiskInfo (void)
        return 0;
 }
 
+qboolean CDAudio_Play_real (int track, qboolean looping, qboolean complain)
+{
+       if(track < 1)
+       {
+               if(complain)
+                       Con_Print("Could not load BGM track.\n");
+               return false;
+       }
 
-void CDAudio_Play (qbyte track, qboolean looping)
+       if (!cdValid)
+       {
+               CDAudio_GetAudioDiskInfo();
+               if (!cdValid)
+               {
+                       if(complain)
+                               Con_DPrint ("No CD in player.\n");
+                       return false;
+               }
+       }
+
+       if (track > maxTrack)
+       {
+               if(complain)
+                       Con_DPrintf("CDAudio: Bad track number %u.\n", track);
+               return false;
+       }
+
+       if (CDAudio_SysPlay(track) == -1)
+               return false;
+
+       if(cdaudio.integer != 3)
+               Con_DPrintf ("CD track %u playing...\n", track);
+
+       return true;
+}
+
+void CDAudio_Play_byName (const char *trackname, qboolean looping, qboolean tryreal, float startposition)
 {
+       unsigned int track;
        sfx_t* sfx;
+       char filename[MAX_QPATH];
+
+       Host_StartVideo();
 
        if (!enabled)
                return;
 
-       track = remap[track];
-       if (track < 1)
+       if(tryreal && strspn(trackname, "0123456789") == strlen(trackname))
        {
-               Con_DPrintf("CDAudio: Bad track number %u.\n", track);
-               return;
+               track = (unsigned char) atoi(trackname);
+#ifdef MAXTRACKS
+               if(track > 0 && track < MAXTRACKS)
+                       if(*remap[track])
+                       {
+                               if(strspn(remap[track], "0123456789") == strlen(remap[track]))
+                               {
+                                       trackname = remap[track];
+                               }
+                               else
+                               {
+                                       // ignore remappings to fake tracks if we're going to play a real track
+                                       switch(cdaudio.integer)
+                                       {
+                                               case 0: // we never access CD
+                                               case 1: // we have a replacement
+                                                       trackname = remap[track];
+                                                       break;
+                                               case 2: // we only use fake track replacement if CD track is invalid
+                                                       CDAudio_GetAudioDiskInfo();
+                                                       if(!cdValid || track > maxTrack)
+                                                               trackname = remap[track];
+                                                       break;
+                                               case 3: // we always play from CD - ignore this remapping then
+                                               case 4: // we randomize anyway
+                                                       break;
+                                       }
+                               }
+                       }
+#endif
+       }
+
+       if(tryreal && strspn(trackname, "0123456789") == strlen(trackname))
+       {
+               track = (unsigned char) atoi(trackname);
+               if (track < 1)
+               {
+                       Con_DPrintf("CDAudio: Bad track number %u.\n", track);
+                       return;
+               }
        }
+       else
+               track = 0;
 
-       if (cdPlaying && cdPlayTrack == track)
+       // div0: I assume this code was intentionally there. Maybe turn it into a cvar?
+       if (cdPlaying && cdPlayTrack == track && faketrack == -1)
                return;
        CDAudio_Stop ();
 
+       if(track >= 1)
+       {
+               if(cdaudio.integer == 3) // only play real CD tracks at all
+               {
+                       if(CDAudio_Play_real(track, looping, true))
+                               goto success;
+                       return;
+               }
+
+               if(cdaudio.integer == 2) // prefer real CD track over fake
+               {
+                       if(CDAudio_Play_real(track, looping, false))
+                               goto success;
+               }
+       }
+
+       if(cdaudio.integer == 4) // only play real CD tracks, EVEN instead of fake tracks!
+       {
+               if(CDAudio_Play_real(track, looping, false))
+                       goto success;
+               
+               if(cdValid && maxTrack > 0)
+               {
+                       track = 1 + (rand() % maxTrack);
+                       if(CDAudio_Play_real(track, looping, true))
+                               goto success;
+               }
+               else
+               {
+                       Con_DPrint ("No CD in player.\n");
+               }
+               return;
+       }
+
        // Try playing a fake track (sound file) first
-       sfx = S_PrecacheSound (va ("cdtracks/track%02u.wav", track), false);
-       if (sfx != NULL)
+       if(track >= 1)
+       {
+                                             dpsnprintf(filename, sizeof(filename), "sound/cdtracks/track%03u.wav", track);
+               if (!FS_FileExists(filename)) dpsnprintf(filename, sizeof(filename), "sound/cdtracks/track%03u.ogg", track);
+               if (!FS_FileExists(filename)) dpsnprintf(filename, sizeof(filename), "music/track%03u.ogg", track);// added by motorsep
+               if (!FS_FileExists(filename)) dpsnprintf(filename, sizeof(filename), "music/cdtracks/track%03u.ogg", track);// added by motorsep
+               if (!FS_FileExists(filename)) dpsnprintf(filename, sizeof(filename), "sound/cdtracks/track%02u.wav", track);
+               if (!FS_FileExists(filename)) dpsnprintf(filename, sizeof(filename), "sound/cdtracks/track%02u.ogg", track);
+               if (!FS_FileExists(filename)) dpsnprintf(filename, sizeof(filename), "music/track%02u.ogg", track);// added by motorsep
+               if (!FS_FileExists(filename)) dpsnprintf(filename, sizeof(filename), "music/cdtracks/track%02u.ogg", track);// added by motorsep
+       }
+       else
        {
-               faketrack = S_StartSound (-1, 0, sfx, vec3_origin, 1, 0);
+                                             dpsnprintf(filename, sizeof(filename), "%s", trackname);
+               if (!FS_FileExists(filename)) dpsnprintf(filename, sizeof(filename), "%s.wav", trackname);
+               if (!FS_FileExists(filename)) dpsnprintf(filename, sizeof(filename), "%s.ogg", trackname);
+               if (!FS_FileExists(filename)) dpsnprintf(filename, sizeof(filename), "sound/%s", trackname);
+               if (!FS_FileExists(filename)) dpsnprintf(filename, sizeof(filename), "sound/%s.wav", trackname);
+               if (!FS_FileExists(filename)) dpsnprintf(filename, sizeof(filename), "sound/%s.ogg", trackname);
+               if (!FS_FileExists(filename)) dpsnprintf(filename, sizeof(filename), "sound/cdtracks/%s", trackname);
+               if (!FS_FileExists(filename)) dpsnprintf(filename, sizeof(filename), "sound/cdtracks/%s.wav", trackname);
+               if (!FS_FileExists(filename)) dpsnprintf(filename, sizeof(filename), "sound/cdtracks/%s.ogg", trackname);
+               if (!FS_FileExists(filename)) dpsnprintf(filename, sizeof(filename), "music/%s.ogg", trackname); // added by motorsep
+               if (!FS_FileExists(filename)) dpsnprintf(filename, sizeof(filename), "music/cdtracks/%s.ogg", trackname); // added by motorsep
+       }
+       if (FS_FileExists(filename) && (sfx = S_PrecacheSound (filename, false, true)))
+       {
+               faketrack = S_StartSound_StartPosition (-1, 0, sfx, vec3_origin, cdvolume, 0, startposition);
                if (faketrack != -1)
                {
                        if (looping)
-                       S_LoopChannel (faketrack, true);
-                       Con_DPrintf ("Fake CD track %u playing...\n", track);
+                               S_SetChannelFlag (faketrack, CHANNELFLAG_FORCELOOP, true);
+                       S_SetChannelFlag (faketrack, CHANNELFLAG_FULLVOLUME, true);
+                       S_SetChannelFlag (faketrack, CHANNELFLAG_LOCALSOUND, true); // not pausable
+                       if(track >= 1)
+                       {
+                               if(cdaudio.integer != 0) // we don't need these messages if only fake tracks can be played anyway
+                                       Con_DPrintf ("Fake CD track %u playing...\n", track);
+                       }
+                       else
+                               Con_DPrintf ("BGM track %s playing...\n", trackname);
                }
        }
 
        // If we can't play a fake CD track, try the real one
        if (faketrack == -1)
        {
-               if (!cdValid)
+               if(cdaudio.integer == 0 || track < 1)
                {
-                       CDAudio_GetAudioDiskInfo();
-                       if (!cdValid)
-                       {
-                               Con_Print ("No CD in player.\n");
-                               return;
-                       }
+                       Con_Print("Could not load BGM track.\n");
+                       return;
                }
-
-               if (track > maxTrack)
+               else
                {
-                       Con_DPrintf("CDAudio: Bad track number %u.\n", track);
-                       return;
+                       if(!CDAudio_Play_real(track, looping, true))
+                               return;
                }
-
-               if (CDAudio_SysPlay(track) == -1)
-                       return;
        }
 
+success:
        cdPlayLooping = looping;
        cdPlayTrack = track;
        cdPlaying = true;
 
-       if (cdvolume == 0.0)
+       if (cdvolume == 0.0 || bgmvolume.value == 0)
                CDAudio_Pause ();
 }
 
+void CDAudio_Play (int track, qboolean looping)
+{
+       char buf[20];
+       if (music_playlist_index.integer >= 0)
+               return;
+       dpsnprintf(buf, sizeof(buf), "%d", (int) track);
+       CDAudio_Play_byName(buf, looping, true, 0);
+}
+
+float CDAudio_GetPosition (void)
+{
+       if(faketrack != -1)
+               return S_GetChannelPosition(faketrack);
+       return -1;
+}
+
+static void CDAudio_StopPlaylistTrack(void);
 
 void CDAudio_Stop (void)
 {
-       if (!enabled || !cdPlaying)
+       if (!enabled)
                return;
 
+       // save the playlist position
+       CDAudio_StopPlaylistTrack();
+
        if (faketrack != -1)
        {
-               S_StopChannel (faketrack);
+               S_StopChannel (faketrack, true);
                faketrack = -1;
        }
-       else if (CDAudio_SysStop() == -1)
+       else if (cdPlaying && (CDAudio_SysStop() == -1))
                return;
+       else if(wasPlaying)
+       {
+               CDAudio_Resume(); // needed by SDL - can't stop while paused there (causing pause/stop to fail after play, pause, stop, play otherwise)
+               if (cdPlaying && (CDAudio_SysStop() == -1))
+                       return;
+       }
 
        wasPlaying = false;
        cdPlaying = false;
@@ -173,7 +415,7 @@ void CDAudio_Pause (void)
                return;
 
        if (faketrack != -1)
-               S_PauseChannel (faketrack, true);
+               S_SetChannelFlag (faketrack, CHANNELFLAG_PAUSED, true);
        else if (CDAudio_SysPause() == -1)
                return;
 
@@ -184,11 +426,11 @@ void CDAudio_Pause (void)
 
 void CDAudio_Resume (void)
 {
-       if (!enabled || !wasPlaying)
+       if (!enabled || cdPlaying || !wasPlaying)
                return;
 
        if (faketrack != -1)
-               S_PauseChannel (faketrack, false);
+               S_SetChannelFlag (faketrack, CHANNELFLAG_PAUSED, false);
        else if (CDAudio_SysResume() == -1)
                return;
        cdPlaying = true;
@@ -197,14 +439,16 @@ void CDAudio_Resume (void)
 static void CD_f (void)
 {
        const char *command;
+#ifdef MAXTRACKS
        int ret;
        int n;
-
-       if (Cmd_Argc() < 2)
-               return;
+#endif
 
        command = Cmd_Argv (1);
 
+       if (strcasecmp(command, "remap") != 0)
+               Host_StartVideo();
+
        if (strcasecmp(command, "on") == 0)
        {
                enabled = true;
@@ -213,8 +457,7 @@ static void CD_f (void)
 
        if (strcasecmp(command, "off") == 0)
        {
-               if (cdPlaying)
-                       CDAudio_Stop();
+               CDAudio_Stop();
                enabled = false;
                return;
        }
@@ -222,26 +465,36 @@ static void CD_f (void)
        if (strcasecmp(command, "reset") == 0)
        {
                enabled = true;
-               if (cdPlaying)
-                       CDAudio_Stop();
-               for (n = 0; n < 100; n++)
-                       remap[n] = n;
+               CDAudio_Stop();
+#ifdef MAXTRACKS
+               for (n = 0; n < MAXTRACKS; n++)
+                       *remap[n] = 0; // empty string, that is, unremapped
+#endif
                CDAudio_GetAudioDiskInfo();
                return;
        }
 
+       if (strcasecmp(command, "rescan") == 0)
+       {
+               CDAudio_Shutdown();
+               CDAudio_Startup();
+               return;
+       }
+
        if (strcasecmp(command, "remap") == 0)
        {
+#ifdef MAXTRACKS
                ret = Cmd_Argc() - 2;
                if (ret <= 0)
                {
-                       for (n = 1; n < 100; n++)
-                               if (remap[n] != n)
-                                       Con_Printf("  %u -> %u\n", n, remap[n]);
+                       for (n = 1; n < MAXTRACKS; n++)
+                               if (*remap[n])
+                                       Con_Printf("  %u -> %s\n", n, remap[n]);
                        return;
                }
                for (n = 1; n <= ret; n++)
-                       remap[n] = atoi(Cmd_Argv (n+1));
+                       strlcpy(remap[n], Cmd_Argv (n+1), sizeof(*remap));
+#endif
                return;
        }
 
@@ -253,37 +506,47 @@ static void CD_f (void)
 
        if (strcasecmp(command, "play") == 0)
        {
-               CDAudio_Play((qbyte)atoi(Cmd_Argv (2)), false);
+               if (music_playlist_index.integer >= 0)
+                       return;
+               CDAudio_Play_byName(Cmd_Argv (2), false, true, (Cmd_Argc() > 3) ? atof( Cmd_Argv(3) ) : 0);
                return;
        }
 
        if (strcasecmp(command, "loop") == 0)
        {
-               CDAudio_Play((qbyte)atoi(Cmd_Argv (2)), true);
+               if (music_playlist_index.integer >= 0)
+                       return;
+               CDAudio_Play_byName(Cmd_Argv (2), true, true, (Cmd_Argc() > 3) ? atof( Cmd_Argv(3) ) : 0);
                return;
        }
 
        if (strcasecmp(command, "stop") == 0)
        {
+               if (music_playlist_index.integer >= 0)
+                       return;
                CDAudio_Stop();
                return;
        }
 
        if (strcasecmp(command, "pause") == 0)
        {
+               if (music_playlist_index.integer >= 0)
+                       return;
                CDAudio_Pause();
                return;
        }
 
        if (strcasecmp(command, "resume") == 0)
        {
+               if (music_playlist_index.integer >= 0)
+                       return;
                CDAudio_Resume();
                return;
        }
 
        if (strcasecmp(command, "eject") == 0)
        {
-               if (cdPlaying && faketrack == -1)
+               if (faketrack == -1)
                        CDAudio_Stop();
                CDAudio_Eject();
                cdValid = false;
@@ -301,33 +564,162 @@ static void CD_f (void)
                        Con_Printf("Currently %s track %u\n", cdPlayLooping ? "looping" : "playing", cdPlayTrack);
                else if (wasPlaying)
                        Con_Printf("Paused %s track %u\n", cdPlayLooping ? "looping" : "playing", cdPlayTrack);
-               Con_Printf("Volume is %f\n", cdvolume);
+               if (cdvolume >= 0)
+                       Con_Printf("Volume is %f\n", cdvolume);
+               else
+                       Con_Printf("Can't get CD volume\n");
                return;
        }
+
+       Con_Printf("CD commands:\n");
+       Con_Printf("cd on - enables CD audio system\n");
+       Con_Printf("cd off - stops and disables CD audio system\n");
+       Con_Printf("cd reset - resets CD audio system (clears track remapping and re-reads disc information)\n");
+       Con_Printf("cd rescan - rescans disks in drives (to use another disc)\n");
+       Con_Printf("cd remap <remap1> [remap2] [remap3] [...] - chooses (possibly emulated) CD tracks to play when a map asks for a particular track, this has many uses\n");
+       Con_Printf("cd close - closes CD tray\n");
+       Con_Printf("cd eject - stops playing music and opens CD tray to allow you to change disc\n");
+       Con_Printf("cd play <tracknumber> <startposition> - plays selected track in remapping table\n");
+       Con_Printf("cd loop <tracknumber> <startposition> - plays and repeats selected track in remapping table\n");
+       Con_Printf("cd stop - stops playing current CD track\n");
+       Con_Printf("cd pause - pauses CD playback\n");
+       Con_Printf("cd resume - unpauses CD playback\n");
+       Con_Printf("cd info - prints basic disc information (number of tracks, currently playing track, volume level)\n");
 }
 
-void CDAudio_Update (void)
+void CDAudio_SetVolume (float newvol)
 {
-       if (!enabled)
+       // If the volume hasn't changed
+       if (newvol == cdvolume)
                return;
 
-       if (bgmvolume.value != cdvolume)
+       // If the CD has been muted
+       if (newvol == 0.0f)
+               CDAudio_Pause ();
+       else
+       {
+               // If the CD has been unmuted
+               if (cdvolume == 0.0f)
+                       CDAudio_Resume ();
+
+               if (faketrack != -1)
+                       S_SetChannelVolume (faketrack, newvol);
+               else
+                       CDAudio_SysSetVolume (newvol * mastervolume.value);
+       }
+
+       cdvolume = newvol;
+}
+
+static void CDAudio_StopPlaylistTrack(void)
+{
+       if (music_playlist_active >= 0 && music_playlist_active < MAX_PLAYLISTS && music_playlist_sampleposition[music_playlist_active].value >= 0)
+       {
+               // save position for resume
+               float position = CDAudio_GetPosition();
+               Cvar_SetValueQuick(&music_playlist_sampleposition[music_playlist_active], position >= 0 ? position : 0);
+       }
+       music_playlist_active = -1;
+       music_playlist_playing = 0; // not playing
+}
+
+void CDAudio_StartPlaylist(qboolean resume)
+{
+       const char *list;
+       const char *t;
+       int index;
+       int current;
+       int randomplay;
+       int count;
+       int listindex;
+       float position;
+       char trackname[MAX_QPATH];
+       CDAudio_Stop();
+       index = music_playlist_index.integer;
+       if (index >= 0 && index < MAX_PLAYLISTS && bgmvolume.value > 0)
        {
-               if (cdvolume)
+               list = music_playlist_list[index].string;
+               current = music_playlist_current[index].integer;
+               randomplay = music_playlist_random[index].integer;
+               position = music_playlist_sampleposition[index].value;
+               count = 0;
+               trackname[0] = 0;
+               if (list && list[0])
                {
-                       Cvar_SetValueQuick (&bgmvolume, 0.0);
-                       cdvolume = bgmvolume.value;
-                       CDAudio_Pause ();
+                       for (t = list;;count++)
+                       {
+                               if (!COM_ParseToken_Console(&t))
+                                       break;
+                               // if we don't find the desired track, use the first one
+                               if (count == 0)
+                                       strlcpy(trackname, com_token, sizeof(trackname));
+                       }
                }
-               else
+               if (count > 0)
                {
-                       Cvar_SetValueQuick (&bgmvolume, 1.0);
-                       cdvolume = bgmvolume.value;
-                       CDAudio_Resume ();
+                       // position < 0 means never resume track
+                       if (position < 0)
+                               position = 0;
+                       // advance to next track in playlist if the last one ended
+                       if (!resume)
+                       {
+                               position = 0;
+                               current++;
+                               if (randomplay)
+                                       current = (int)lhrandom(0, count);
+                       }
+                       // wrap playlist position if needed
+                       if (current >= count)
+                               current = 0;
+                       // set current
+                       Cvar_SetValueQuick(&music_playlist_current[index], current);
+                       // get the Nth trackname
+                       if (current >= 0 && current < count)
+                       {
+                               for (listindex = 0, t = list;;listindex++)
+                               {
+                                       if (!COM_ParseToken_Console(&t))
+                                               break;
+                                       if (listindex == current)
+                                       {
+                                               strlcpy(trackname, com_token, sizeof(trackname));
+                                               break;
+                                       }
+                               }
+                       }
+                       if (trackname[0])
+                       {
+                               CDAudio_Play_byName(trackname, false, false, position);
+                               if (faketrack != -1)
+                                       music_playlist_active = index;
+                       }
                }
        }
+       music_playlist_playing = music_playlist_active >= 0 ? 1 : -1;
+}
 
-       if (faketrack == -1)
+void CDAudio_Update (void)
+{
+       static int lastplaylist = -1;
+       if (!enabled)
+               return;
+
+       CDAudio_SetVolume (bgmvolume.value);
+       if (music_playlist_playing > 0 && CDAudio_GetPosition() < 0)
+       {
+               // this track ended, start a new track from the beginning
+               CDAudio_StartPlaylist(false);
+               lastplaylist = music_playlist_index.integer;
+       }
+       else if (lastplaylist != music_playlist_index.integer
+       || (bgmvolume.value > 0 && !music_playlist_playing && music_playlist_index.integer >= 0))
+       {
+               // active playlist changed, save position and switch track
+               CDAudio_StartPlaylist(true);
+               lastplaylist = music_playlist_index.integer;
+       }
+
+       if (faketrack == -1 && cdaudio.integer != 0 && bgmvolume.value != 0)
                CDAudio_SysUpdate();
 }
 
@@ -338,36 +730,61 @@ int CDAudio_Init (void)
        if (cls.state == ca_dedicated)
                return -1;
 
-       if (COM_CheckParm("-nocdaudio") || COM_CheckParm("-safe"))
+// COMMANDLINEOPTION: Sound: -nocdaudio disables CD audio support
+       if (COM_CheckParm("-nocdaudio"))
                return -1;
 
        CDAudio_SysInit();
 
-       for (i = 0; i < 100; i++)
-               remap[i] = i;
+#ifdef MAXTRACKS
+       for (i = 0; i < MAXTRACKS; i++)
+               *remap[i] = 0;
+#endif
 
+       Cvar_RegisterVariable(&cdaudio);
        Cvar_RegisterVariable(&cdaudioinitialized);
        Cvar_SetValueQuick(&cdaudioinitialized, true);
        enabled = true;
 
-       Cmd_AddCommand("cd", CD_f);
+       Cvar_RegisterVariable(&music_playlist_index);
+       for (i = 0;i < MAX_PLAYLISTS;i++)
+       {
+               Cvar_RegisterVariable(&music_playlist_list[i]);
+               Cvar_RegisterVariable(&music_playlist_current[i]);
+               Cvar_RegisterVariable(&music_playlist_random[i]);
+               Cvar_RegisterVariable(&music_playlist_sampleposition[i]);
+       }
+
+       Cmd_AddCommand("cd", CD_f, "execute a CD drive command (cd on/off/reset/remap/close/play/loop/stop/pause/resume/eject/info) - use cd by itself for usage");
 
        return 0;
 }
 
 int CDAudio_Startup (void)
 {
+       if (COM_CheckParm("-nocdaudio"))
+               return -1;
+
        CDAudio_SysStartup ();
 
        if (CDAudio_GetAudioDiskInfo())
        {
-               Con_DPrint("CDAudio_Init: No CD in player.\n");
+               Con_Print("CDAudio_Init: No CD in player.\n");
                cdValid = false;
        }
 
+       saved_vol = CDAudio_SysGetVolume ();
+       if (saved_vol < 0.0f)
+       {
+               Con_Print ("Can't get initial CD volume\n");
+               saved_vol = 1.0f;
+       }
+       else
+               Con_Printf ("Initial CD volume: %g\n", saved_vol);
+
        initialized = true;
 
-       Con_DPrint("CD Audio Initialized\n");
+       Con_Print("CD Audio Initialized\n");
 
        return 0;
 }
@@ -376,6 +793,9 @@ void CDAudio_Shutdown (void)
 {
        if (!initialized)
                return;
+
+       CDAudio_SysSetVolume (saved_vol);
+
        CDAudio_Stop();
        CDAudio_SysShutdown();
        initialized = false;