mirror of
https://github.com/nzp-team/glquake.git
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416 lines
7.5 KiB
C
416 lines
7.5 KiB
C
/*
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Copyright (C) 1996-1997 Id Software, Inc.
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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See the GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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// Quake is a trademark of Id Software, Inc., (c) 1996 Id Software, Inc. All
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// rights reserved.
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#include <stdio.h>
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#include <unistd.h>
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#include <stdlib.h>
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#include <sys/ioctl.h>
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#include <sys/file.h>
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#include <sys/types.h>
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#include <fcntl.h>
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#include <string.h>
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#include <time.h>
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#include <errno.h>
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#include <linux/cdrom.h>
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#include "quakedef.h"
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static qboolean cdValid = false;
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static qboolean playing = false;
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static qboolean wasPlaying = false;
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static qboolean initialized = false;
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static qboolean enabled = true;
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static qboolean playLooping = false;
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static float cdvolume;
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static byte remap[100];
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static byte playTrack;
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static byte maxTrack;
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static int cdfile = -1;
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static char cd_dev[64] = "/dev/cdrom";
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static void CDAudio_Eject(void)
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{
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if (cdfile == -1 || !enabled)
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return; // no cd init'd
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if ( ioctl(cdfile, CDROMEJECT) == -1 )
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Con_DPrintf("ioctl cdromeject failed\n");
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}
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static void CDAudio_CloseDoor(void)
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{
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if (cdfile == -1 || !enabled)
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return; // no cd init'd
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if ( ioctl(cdfile, CDROMCLOSETRAY) == -1 )
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Con_DPrintf("ioctl cdromclosetray failed\n");
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}
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static int CDAudio_GetAudioDiskInfo(void)
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{
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struct cdrom_tochdr tochdr;
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cdValid = false;
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if ( ioctl(cdfile, CDROMREADTOCHDR, &tochdr) == -1 )
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{
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Con_DPrintf("ioctl cdromreadtochdr failed\n");
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return -1;
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}
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if (tochdr.cdth_trk0 < 1)
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{
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Con_DPrintf("CDAudio: no music tracks\n");
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return -1;
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}
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cdValid = true;
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maxTrack = tochdr.cdth_trk1;
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return 0;
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}
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void CDAudio_Play(byte track, qboolean looping)
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{
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struct cdrom_tocentry entry;
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struct cdrom_ti ti;
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if (cdfile == -1 || !enabled)
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return;
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if (!cdValid)
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{
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CDAudio_GetAudioDiskInfo();
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if (!cdValid)
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return;
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}
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track = remap[track];
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if (track < 1 || track > maxTrack)
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{
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Con_DPrintf("CDAudio: Bad track number %u.\n", track);
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return;
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}
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// don't try to play a non-audio track
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entry.cdte_track = track;
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entry.cdte_format = CDROM_MSF;
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if ( ioctl(cdfile, CDROMREADTOCENTRY, &entry) == -1 )
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{
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Con_DPrintf("ioctl cdromreadtocentry failed\n");
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return;
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}
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if (entry.cdte_ctrl == CDROM_DATA_TRACK)
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{
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Con_Printf("CDAudio: track %i is not audio\n", track);
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return;
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}
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if (playing)
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{
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if (playTrack == track)
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return;
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CDAudio_Stop();
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}
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ti.cdti_trk0 = track;
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ti.cdti_trk1 = track;
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ti.cdti_ind0 = 1;
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ti.cdti_ind1 = 99;
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if ( ioctl(cdfile, CDROMPLAYTRKIND, &ti) == -1 )
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{
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Con_DPrintf("ioctl cdromplaytrkind failed\n");
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return;
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}
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if ( ioctl(cdfile, CDROMRESUME) == -1 )
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Con_DPrintf("ioctl cdromresume failed\n");
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playLooping = looping;
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playTrack = track;
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playing = true;
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if (cdvolume == 0.0)
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CDAudio_Pause ();
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}
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void CDAudio_Stop(void)
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{
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if (cdfile == -1 || !enabled)
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return;
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if (!playing)
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return;
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if ( ioctl(cdfile, CDROMSTOP) == -1 )
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Con_DPrintf("ioctl cdromstop failed (%d)\n", errno);
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wasPlaying = false;
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playing = false;
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}
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void CDAudio_Pause(void)
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{
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if (cdfile == -1 || !enabled)
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return;
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if (!playing)
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return;
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if ( ioctl(cdfile, CDROMPAUSE) == -1 )
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Con_DPrintf("ioctl cdrompause failed\n");
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wasPlaying = playing;
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playing = false;
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}
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void CDAudio_Resume(void)
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{
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if (cdfile == -1 || !enabled)
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return;
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if (!cdValid)
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return;
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if (!wasPlaying)
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return;
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if ( ioctl(cdfile, CDROMRESUME) == -1 )
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Con_DPrintf("ioctl cdromresume failed\n");
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playing = true;
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}
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static void CD_f (void)
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{
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char *command;
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int ret;
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int n;
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if (Cmd_Argc() < 2)
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return;
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command = Cmd_Argv (1);
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if (Q_strcasecmp(command, "on") == 0)
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{
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enabled = true;
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return;
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}
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if (Q_strcasecmp(command, "off") == 0)
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{
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if (playing)
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CDAudio_Stop();
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enabled = false;
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return;
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}
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if (Q_strcasecmp(command, "reset") == 0)
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{
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enabled = true;
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if (playing)
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CDAudio_Stop();
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for (n = 0; n < 100; n++)
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remap[n] = n;
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CDAudio_GetAudioDiskInfo();
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return;
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}
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if (Q_strcasecmp(command, "remap") == 0)
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{
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ret = Cmd_Argc() - 2;
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if (ret <= 0)
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{
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for (n = 1; n < 100; n++)
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if (remap[n] != n)
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Con_Printf(" %u -> %u\n", n, remap[n]);
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return;
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}
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for (n = 1; n <= ret; n++)
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remap[n] = Q_atoi(Cmd_Argv (n+1));
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return;
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}
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if (Q_strcasecmp(command, "close") == 0)
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{
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CDAudio_CloseDoor();
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return;
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}
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if (!cdValid)
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{
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CDAudio_GetAudioDiskInfo();
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if (!cdValid)
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{
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Con_Printf("No CD in player.\n");
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return;
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}
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}
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if (Q_strcasecmp(command, "play") == 0)
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{
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CDAudio_Play((byte)Q_atoi(Cmd_Argv (2)), false);
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return;
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}
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if (Q_strcasecmp(command, "loop") == 0)
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{
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CDAudio_Play((byte)Q_atoi(Cmd_Argv (2)), true);
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return;
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}
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if (Q_strcasecmp(command, "stop") == 0)
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{
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CDAudio_Stop();
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return;
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}
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if (Q_strcasecmp(command, "pause") == 0)
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{
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CDAudio_Pause();
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return;
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}
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if (Q_strcasecmp(command, "resume") == 0)
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{
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CDAudio_Resume();
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return;
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}
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if (Q_strcasecmp(command, "eject") == 0)
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{
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if (playing)
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CDAudio_Stop();
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CDAudio_Eject();
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cdValid = false;
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return;
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}
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if (Q_strcasecmp(command, "info") == 0)
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{
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Con_Printf("%u tracks\n", maxTrack);
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if (playing)
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Con_Printf("Currently %s track %u\n", playLooping ? "looping" : "playing", playTrack);
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else if (wasPlaying)
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Con_Printf("Paused %s track %u\n", playLooping ? "looping" : "playing", playTrack);
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Con_Printf("Volume is %f\n", cdvolume);
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return;
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}
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}
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void CDAudio_Update(void)
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{
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struct cdrom_subchnl subchnl;
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static time_t lastchk;
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if (!enabled)
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return;
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if (bgmvolume.value != cdvolume)
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{
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if (cdvolume)
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{
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Cvar_SetValue ("bgmvolume", 0.0);
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cdvolume = bgmvolume.value;
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CDAudio_Pause ();
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}
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else
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{
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Cvar_SetValue ("bgmvolume", 1.0);
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cdvolume = bgmvolume.value;
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CDAudio_Resume ();
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}
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}
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if (playing && lastchk < time(NULL)) {
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lastchk = time(NULL) + 2; //two seconds between chks
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subchnl.cdsc_format = CDROM_MSF;
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if (ioctl(cdfile, CDROMSUBCHNL, &subchnl) == -1 ) {
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Con_DPrintf("ioctl cdromsubchnl failed\n");
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playing = false;
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return;
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}
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if (subchnl.cdsc_audiostatus != CDROM_AUDIO_PLAY &&
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subchnl.cdsc_audiostatus != CDROM_AUDIO_PAUSED) {
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playing = false;
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if (playLooping)
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CDAudio_Play(playTrack, true);
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}
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}
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}
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int CDAudio_Init(void)
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{
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int i;
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if (cls.state == ca_dedicated)
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return -1;
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if (COM_CheckParm("-nocdaudio"))
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return -1;
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if ((i = COM_CheckParm("-cddev")) != 0 && i < com_argc - 1) {
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strncpy(cd_dev, com_argv[i + 1], sizeof(cd_dev));
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cd_dev[sizeof(cd_dev) - 1] = 0;
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}
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if ((cdfile = open(cd_dev, O_RDONLY)) == -1) {
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Con_Printf("CDAudio_Init: open of \"%s\" failed (%i)\n", cd_dev, errno);
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cdfile = -1;
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return -1;
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}
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for (i = 0; i < 100; i++)
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remap[i] = i;
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initialized = true;
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enabled = true;
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if (CDAudio_GetAudioDiskInfo())
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{
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Con_Printf("CDAudio_Init: No CD in player.\n");
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cdValid = false;
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}
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Cmd_AddCommand ("cd", CD_f);
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Con_Printf("CD Audio Initialized\n");
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return 0;
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}
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void CDAudio_Shutdown(void)
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{
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if (!initialized)
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return;
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CDAudio_Stop();
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close(cdfile);
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cdfile = -1;
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}
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