/*
Some of this may not work. I'm not overly familiar with SDL, I just sort
of podged this together from the SDL headers, and the other cd-rom code.
Mark Baker <homer1@together.net>
*/
#include <SDL.h>
#include "quakedef.h"
static qboolean cdValid = false;
static qboolean initialized = false;
static qboolean enabled = true;
static qboolean playLooping = false;
static SDL_CD *cd_id;
static float cdvolume = 1.0;
static void CD_f();
static void CDAudio_Eject()
{
if(!cd_id || !enabled) return;
if(SDL_CDEject(cd_id))
Con_DPrintf("Unable to eject CD-ROM tray.\n");
}
void CDAudio_Play(byte track, qboolean looping)
{
CDstatus cd_stat;
if(!cd_id || !enabled) return;
if(!cdValid)
{
if(!CD_INDRIVE(cd_stat=SDL_CDStatus(cd_id)) ||(!cd_id->numtracks)) return;
cdValid = true;
}
if((track < 1) || (track >= cd_id->numtracks))
{
Con_DPrintf("CDAudio: Bad track number: %d\n",track);
return;
}
track--; /* Convert track from person to SDL value */
if(cd_stat == CD_PLAYING)
{
if(cd_id->cur_track == track) return;
CDAudio_Stop();
}
if(SDL_CDPlay(cd_id,cd_id->track[track].offset,
cd_id->track[track].length))
{
Con_DPrintf("CDAudio_Play: Unable to play track: %d\n",track+1);
return;
}
playLooping = looping;
}
void CDAudio_Stop()
{
int cdstate;
if(!cd_id || !enabled) return;
cdstate = SDL_CDStatus(cd_id);
if((cdstate != CD_PLAYING) && (cdstate != CD_PAUSED)) return;
if(SDL_CDStop(cd_id))
Con_DPrintf("CDAudio_Stop: Failed to stop track.\n");
}
void CDAudio_Pause()
{
if(!cd_id || !enabled) return;
if(SDL_CDStatus(cd_id) != CD_PLAYING) return;
if(SDL_CDPause(cd_id))
Con_DPrintf("CDAudio_Pause: Failed to pause track.\n");
}
void CDAudio_Resume()
{
if(!cd_id || !enabled) return;
if(SDL_CDStatus(cd_id) != CD_PAUSED) return;
if(SDL_CDResume(cd_id))
Con_DPrintf("CDAudio_Resume: Failed tp resume track.\n");
}
void CDAudio_Update()
{
if(!cd_id || !enabled) return;
if(bgmvolume.value != cdvolume)
{
if(cdvolume)
{
Cvar_SetValue("bgmvolume",0.0);
CDAudio_Pause();
}
else
{
Cvar_SetValue("bgmvolume",1.0);
CDAudio_Resume();
}
cdvolume = bgmvolume.value;
return;
}
if(playLooping && (SDL_CDStatus(cd_id) != CD_PLAYING)
&& (SDL_CDStatus(cd_id) != CD_PAUSED))
CDAudio_Play(cd_id->cur_track+1,true);
}
int CDAudio_Init()
{
if((cls.state == ca_dedicated) || COM_CheckParm("-nocdaudio"))
return -1;
cd_id = SDL_CDOpen(0);
if(!cd_id)
{
Con_Printf("CDAudio_Init: Unable to open default CD-ROM drive: %s\n",
SDL_GetError());
return -1;
}
initialized = true;
enabled = true;
cdValid = true;
if(!CD_INDRIVE(SDL_CDStatus(cd_id)))
{
Con_Printf("CDAudio_Init: No CD in drive.\n");
cdValid = false;
}
if(!cd_id->numtracks)
{
Con_Printf("CDAudio_Init: CD contains no audio tracks.\n");
cdValid = false;
}
Cmd_AddCommand("cd",CD_f);
Con_Printf("CD Audio Initialized.\n");
return 0;
}
void CDAudio_Shutdown()
{
if(!cd_id) return;
CDAudio_Stop();
SDL_CDClose(cd_id);
cd_id = NULL;
}
static void CD_f()
{
char *command;
int cdstate;
if(Cmd_Argc() < 2) return;
command = Cmd_Argv(1);
if(!Q_strcasecmp(command,"on"))
{
enabled = true;
}
if(!Q_strcasecmp(command,"off"))
{
if(!cd_id) return;
cdstate = SDL_CDStatus(cd_id);
if((cdstate == CD_PLAYING) || (cdstate == CD_PAUSED))
CDAudio_Stop();
enabled = false;
return;
}
if(!Q_strcasecmp(command,"play"))
{
CDAudio_Play(Q_atoi(Cmd_Argv(2)),false);
return;
}
if(!Q_strcasecmp(command,"loop"))
{
CDAudio_Play(Q_atoi(Cmd_Argv(2)),true);
return;
}
if(!Q_strcasecmp(command,"stop"))
{
CDAudio_Stop();
return;
}
if(!Q_strcasecmp(command,"pause"))
{
CDAudio_Pause();
return;
}
if(!Q_strcasecmp(command,"resume"))
{
CDAudio_Resume();
return;
}
if(!Q_strcasecmp(command,"eject"))
{
CDAudio_Eject();
return;
}
if(!Q_strcasecmp(command,"info"))
{
if(!cd_id) return;
cdstate = SDL_CDStatus(cd_id);
Con_Printf("%d tracks\n",cd_id->numtracks);
if(cdstate == CD_PLAYING)
Con_Printf("Currently %s track %d\n",
playLooping ? "looping" : "playing",
cd_id->cur_track+1);
else
if(cdstate == CD_PAUSED)
Con_Printf("Paused %s track %d\n",
playLooping ? "looping" : "playing",
cd_id->cur_track+1);
return;
}
}