Oops... I forgot to add this file to the previous commit

git-svn-id: svn://svn.icculus.org/twilight/trunk/darkplaces@3721 d7cf8633-e32d-0410-b094-e92efae38249

diff --git a/cd_shared.c b/cd_shared.c
new file mode 100644 (file)
index 0000000..bd2727f
--- /dev/null
+++ b/cd_shared.c
@@ -0,0 +1,349 @@
+/*
+Copyright (C) 1996-1997 Id Software, Inc.
+
+This program is free software; you can redistribute it and/or
+modify it under the terms of the GNU General Public License
+as published by the Free Software Foundation; either version 2
+of the License, or (at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+
+See the GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program; if not, write to the Free Software
+Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+
+*/
+// Quake is a trademark of Id Software, Inc., (c) 1996 Id Software, Inc. All
+// rights reserved.
+
+#include "quakedef.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 int CDAudio_SysStop (void);
+extern int CDAudio_SysPause (void);
+extern int CDAudio_SysResume (void);
+extern int CDAudio_SysUpdate (void);
+extern void CDAudio_SysInit (void);
+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"};
+
+static qboolean wasPlaying = false;
+static qboolean initialized = false;
+static qboolean enabled = false;
+static float cdvolume;
+static qbyte remap[100];
+static qbyte maxTrack;
+
+// exported variables
+qboolean cdValid = false;
+qboolean cdPlaying = false;
+qboolean cdPlayLooping = false;
+qbyte cdPlayTrack;
+
+
+static void CDAudio_Eject (void)
+{
+       if (!enabled)
+               return;
+
+       CDAudio_SysEject();
+}
+
+
+static void CDAudio_CloseDoor (void)
+{
+       if (!enabled)
+               return;
+
+       CDAudio_SysCloseDoor();
+}
+
+static int CDAudio_GetAudioDiskInfo (void)
+{
+       int ret;
+
+       cdValid = false;
+
+       ret = CDAudio_SysGetAudioDiskInfo();
+       if (ret < 1)
+               return -1;
+
+       cdValid = true;
+       maxTrack = ret;
+
+       return 0;
+}
+
+
+void CDAudio_Play (qbyte track, qboolean looping)
+{
+       if (!enabled)
+               return;
+
+       if (!cdValid)
+       {
+               CDAudio_GetAudioDiskInfo();
+               if (!cdValid)
+                       return;
+       }
+
+       track = remap[track];
+       if (track < 1 || track > maxTrack)
+       {
+               Con_DPrintf("CDAudio: Bad track number %u.\n", track);
+               return;
+       }
+
+       if (cdPlaying && cdPlayTrack == track)
+               return;
+
+       if (CDAudio_SysPlay(track) == -1)
+               return;
+
+       cdPlayLooping = looping;
+       cdPlayTrack = track;
+       cdPlaying = true;
+
+       if (cdvolume == 0.0)
+               CDAudio_Pause ();
+}
+
+
+void CDAudio_Stop (void)
+{
+       if (!enabled || !cdPlaying)
+               return;
+
+       if (CDAudio_SysStop() == -1)
+               return;
+
+       wasPlaying = false;
+       cdPlaying = false;
+}
+
+void CDAudio_Pause (void)
+{
+       if (!enabled || !cdPlaying)
+               return;
+
+       if (CDAudio_SysPause() == -1)
+               return;
+
+       wasPlaying = cdPlaying;
+       cdPlaying = false;
+}
+
+
+void CDAudio_Resume (void)
+{
+       if (!enabled || !cdValid || !wasPlaying)
+               return;
+
+       if (CDAudio_SysResume() == -1)
+               return;
+       cdPlaying = true;
+}
+
+static void CD_f (void)
+{
+       const char *command;
+       int ret;
+       int n;
+
+       if (Cmd_Argc() < 2)
+               return;
+
+       command = Cmd_Argv (1);
+
+       if (strcasecmp(command, "on") == 0)
+       {
+               enabled = true;
+               return;
+       }
+
+       if (strcasecmp(command, "off") == 0)
+       {
+               if (cdPlaying)
+                       CDAudio_Stop();
+               enabled = false;
+               return;
+       }
+
+       if (strcasecmp(command, "reset") == 0)
+       {
+               enabled = true;
+               if (cdPlaying)
+                       CDAudio_Stop();
+               for (n = 0; n < 100; n++)
+                       remap[n] = n;
+               CDAudio_GetAudioDiskInfo();
+               return;
+       }
+
+       if (strcasecmp(command, "remap") == 0)
+       {
+               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]);
+                       return;
+               }
+               for (n = 1; n <= ret; n++)
+                       remap[n] = atoi(Cmd_Argv (n+1));
+               return;
+       }
+
+       if (strcasecmp(command, "close") == 0)
+       {
+               CDAudio_CloseDoor();
+               return;
+       }
+
+       if (!cdValid)
+       {
+               CDAudio_GetAudioDiskInfo();
+               if (!cdValid)
+               {
+                       Con_Printf("No CD in player.\n");
+                       return;
+               }
+       }
+
+       if (strcasecmp(command, "play") == 0)
+       {
+               CDAudio_Play((qbyte)atoi(Cmd_Argv (2)), false);
+               return;
+       }
+
+       if (strcasecmp(command, "loop") == 0)
+       {
+               CDAudio_Play((qbyte)atoi(Cmd_Argv (2)), true);
+               return;
+       }
+
+       if (strcasecmp(command, "stop") == 0)
+       {
+               CDAudio_Stop();
+               return;
+       }
+
+       if (strcasecmp(command, "pause") == 0)
+       {
+               CDAudio_Pause();
+               return;
+       }
+
+       if (strcasecmp(command, "resume") == 0)
+       {
+               CDAudio_Resume();
+               return;
+       }
+
+       if (strcasecmp(command, "eject") == 0)
+       {
+               if (cdPlaying)
+                       CDAudio_Stop();
+               CDAudio_Eject();
+               cdValid = false;
+               return;
+       }
+
+       if (strcasecmp(command, "info") == 0)
+       {
+               Con_Printf("%u tracks\n", maxTrack);
+               if (cdPlaying)
+                       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);
+               return;
+       }
+}
+
+void CDAudio_Update (void)
+{
+       if (!enabled)
+               return;
+
+       if (bgmvolume.value != cdvolume)
+       {
+               if (cdvolume)
+               {
+                       Cvar_SetValueQuick (&bgmvolume, 0.0);
+                       cdvolume = bgmvolume.value;
+                       CDAudio_Pause ();
+               }
+               else
+               {
+                       Cvar_SetValueQuick (&bgmvolume, 1.0);
+                       cdvolume = bgmvolume.value;
+                       CDAudio_Resume ();
+               }
+       }
+
+       CDAudio_SysUpdate();
+}
+
+int CDAudio_Init (void)
+{
+       int i;
+
+       if (cls.state == ca_dedicated)
+               return -1;
+
+       if (COM_CheckParm("-nocdaudio") || COM_CheckParm("-safe"))
+               return -1;
+
+       CDAudio_SysInit();
+
+       for (i = 0; i < 100; i++)
+               remap[i] = i;
+
+       Cvar_RegisterVariable(&cdaudioinitialized);
+       Cvar_SetValueQuick(&cdaudioinitialized, true);
+       enabled = true;
+
+       Cmd_AddCommand("cd", CD_f);
+
+       return 0;
+}
+
+int CDAudio_Startup (void)
+{
+       if (CDAudio_SysStartup() == -1)
+               return -1;
+
+       if (CDAudio_GetAudioDiskInfo())
+       {
+               Con_DPrintf("CDAudio_Init: No CD in player.\n");
+               cdValid = false;
+       }
+
+       initialized = true;
+
+       Con_DPrintf("CD Audio Initialized\n");
+
+       return 0;
+}
+
+void CDAudio_Shutdown (void)
+{
+       if (!initialized)
+               return;
+       CDAudio_Stop();
+       CDAudio_SysShutdown();
+       initialized = false;
+}