1 files changed, 416 insertions, 0 deletions
diff --git a/apps/plugins/sdl/progs/quake/cd_linux.c b/apps/plugins/sdl/progs/quake/cd_linux.c
new file mode 100644
index 0000000..0e23d96
--- /dev/null
+++ b/apps/plugins/sdl/progs/quake/cd_linux.c
@@ -0,0 +1,416 @@
+/*
+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 <stdio.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <sys/ioctl.h>
+#include <sys/file.h>
+#include <sys/types.h>
+#include <fcntl.h>
+#include <string.h>
+#include <time.h>
+#include <errno.h>
+
+#include <linux/cdrom.h>
+
+#include "quakedef.h"
+
+static qboolean cdValid = false;
+static qboolean	playing = false;
+static qboolean	wasPlaying = false;
+static qboolean	initialized = false;
+static qboolean	enabled = true;
+static qboolean playLooping = false;
+static float	cdvolume;
+static byte 	remap[100];
+static byte		playTrack;
+static byte		maxTrack;
+
+static int cdfile = -1;
+static char cd_dev[64] = "/dev/cdrom";
+
+static void CDAudio_Eject(void)
+{
+	if (cdfile == -1 || !enabled)
+		return; // no cd init'd
+
+	if ( ioctl(cdfile, CDROMEJECT) == -1 ) 
+		Con_DPrintf("ioctl cdromeject failed\n");
+}
+
+
+static void CDAudio_CloseDoor(void)
+{
+	if (cdfile == -1 || !enabled)
+		return; // no cd init'd
+
+	if ( ioctl(cdfile, CDROMCLOSETRAY) == -1 ) 
+		Con_DPrintf("ioctl cdromclosetray failed\n");
+}
+
+static int CDAudio_GetAudioDiskInfo(void)
+{
+	struct cdrom_tochdr tochdr;
+
+	cdValid = false;
+
+	if ( ioctl(cdfile, CDROMREADTOCHDR, &tochdr) == -1 ) 
+    {
+      Con_DPrintf("ioctl cdromreadtochdr failed\n");
+	  return -1;
+    }
+
+	if (tochdr.cdth_trk0 < 1)
+	{
+		Con_DPrintf("CDAudio: no music tracks\n");
+		return -1;
+	}
+
+	cdValid = true;
+	maxTrack = tochdr.cdth_trk1;
+
+	return 0;
+}
+
+
+void CDAudio_Play(byte track, qboolean looping)
+{
+	struct cdrom_tocentry entry;
+	struct cdrom_ti ti;
+
+	if (cdfile == -1 || !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;
+	}
+
+	// don't try to play a non-audio track
+	entry.cdte_track = track;
+	entry.cdte_format = CDROM_MSF;
+    if ( ioctl(cdfile, CDROMREADTOCENTRY, &entry) == -1 )
+	{
+		Con_DPrintf("ioctl cdromreadtocentry failed\n");
+		return;
+	}
+	if (entry.cdte_ctrl == CDROM_DATA_TRACK)
+	{
+		Con_Printf("CDAudio: track %i is not audio\n", track);
+		return;
+	}
+
+	if (playing)
+	{
+		if (playTrack == track)
+			return;
+		CDAudio_Stop();
+	}
+
+	ti.cdti_trk0 = track;
+	ti.cdti_trk1 = track;
+	ti.cdti_ind0 = 1;
+	ti.cdti_ind1 = 99;
+
+	if ( ioctl(cdfile, CDROMPLAYTRKIND, &ti) == -1 ) 
+    {
+		Con_DPrintf("ioctl cdromplaytrkind failed\n");
+		return;
+    }
+
+	if ( ioctl(cdfile, CDROMRESUME) == -1 ) 
+		Con_DPrintf("ioctl cdromresume failed\n");
+
+	playLooping = looping;
+	playTrack = track;
+	playing = true;
+
+	if (cdvolume == 0.0)
+		CDAudio_Pause ();
+}
+
+
+void CDAudio_Stop(void)
+{
+	if (cdfile == -1 || !enabled)
+		return;
+	
+	if (!playing)
+		return;
+
+	if ( ioctl(cdfile, CDROMSTOP) == -1 )
+		Con_DPrintf("ioctl cdromstop failed (%d)\n", errno);
+
+	wasPlaying = false;
+	playing = false;
+}
+
+void CDAudio_Pause(void)
+{
+	if (cdfile == -1 || !enabled)
+		return;
+
+	if (!playing)
+		return;
+
+	if ( ioctl(cdfile, CDROMPAUSE) == -1 ) 
+		Con_DPrintf("ioctl cdrompause failed\n");
+
+	wasPlaying = playing;
+	playing = false;
+}
+
+
+void CDAudio_Resume(void)
+{
+	if (cdfile == -1 || !enabled)
+		return;
+	
+	if (!cdValid)
+		return;
+
+	if (!wasPlaying)
+		return;
+	
+	if ( ioctl(cdfile, CDROMRESUME) == -1 ) 
+		Con_DPrintf("ioctl cdromresume failed\n");
+	playing = true;
+}
+
+static void CD_f (void)
+{
+	char	*command;
+	int		ret;
+	int		n;
+
+	if (Cmd_Argc() < 2)
+		return;
+
+	command = Cmd_Argv (1);
+
+	if (Q_strcasecmp(command, "on") == 0)
+	{
+		enabled = true;
+		return;
+	}
+
+	if (Q_strcasecmp(command, "off") == 0)
+	{
+		if (playing)
+			CDAudio_Stop();
+		enabled = false;
+		return;
+	}
+
+	if (Q_strcasecmp(command, "reset") == 0)
+	{
+		enabled = true;
+		if (playing)
+			CDAudio_Stop();
+		for (n = 0; n < 100; n++)
+			remap[n] = n;
+		CDAudio_GetAudioDiskInfo();
+		return;
+	}
+
+	if (Q_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] = Q_atoi(Cmd_Argv (n+1));
+		return;
+	}
+
+	if (Q_strcasecmp(command, "close") == 0)
+	{
+		CDAudio_CloseDoor();
+		return;
+	}
+
+	if (!cdValid)
+	{
+		CDAudio_GetAudioDiskInfo();
+		if (!cdValid)
+		{
+			Con_Printf("No CD in player.\n");
+			return;
+		}
+	}
+
+	if (Q_strcasecmp(command, "play") == 0)
+	{
+		CDAudio_Play((byte)Q_atoi(Cmd_Argv (2)), false);
+		return;
+	}
+
+	if (Q_strcasecmp(command, "loop") == 0)
+	{
+		CDAudio_Play((byte)Q_atoi(Cmd_Argv (2)), true);
+		return;
+	}
+
+	if (Q_strcasecmp(command, "stop") == 0)
+	{
+		CDAudio_Stop();
+		return;
+	}
+
+	if (Q_strcasecmp(command, "pause") == 0)
+	{
+		CDAudio_Pause();
+		return;
+	}
+
+	if (Q_strcasecmp(command, "resume") == 0)
+	{
+		CDAudio_Resume();
+		return;
+	}
+
+	if (Q_strcasecmp(command, "eject") == 0)
+	{
+		if (playing)
+			CDAudio_Stop();
+		CDAudio_Eject();
+		cdValid = false;
+		return;
+	}
+
+	if (Q_strcasecmp(command, "info") == 0)
+	{
+		Con_Printf("%u tracks\n", maxTrack);
+		if (playing)
+			Con_Printf("Currently %s track %u\n", playLooping ? "looping" : "playing", playTrack);
+		else if (wasPlaying)
+			Con_Printf("Paused %s track %u\n", playLooping ? "looping" : "playing", playTrack);
+		Con_Printf("Volume is %f\n", cdvolume);
+		return;
+	}
+}
+
+void CDAudio_Update(void)
+{
+	struct cdrom_subchnl subchnl;
+	static time_t lastchk;
+
+	if (!enabled)
+		return;
+
+	if (bgmvolume.value != cdvolume)
+	{
+		if (cdvolume)
+		{
+			Cvar_SetValue ("bgmvolume", 0.0);
+			cdvolume = bgmvolume.value;
+			CDAudio_Pause ();
+		}
+		else
+		{
+			Cvar_SetValue ("bgmvolume", 1.0);
+			cdvolume = bgmvolume.value;
+			CDAudio_Resume ();
+		}
+	}
+
+	if (playing && lastchk < time(NULL)) {
+		lastchk = time(NULL) + 2; //two seconds between chks
+		subchnl.cdsc_format = CDROM_MSF;
+		if (ioctl(cdfile, CDROMSUBCHNL, &subchnl) == -1 ) {
+			Con_DPrintf("ioctl cdromsubchnl failed\n");
+			playing = false;
+			return;
+		}
+		if (subchnl.cdsc_audiostatus != CDROM_AUDIO_PLAY &&
+			subchnl.cdsc_audiostatus != CDROM_AUDIO_PAUSED) {
+			playing = false;
+			if (playLooping)
+				CDAudio_Play(playTrack, true);
+		}
+	}
+}
+
+int CDAudio_Init(void)
+{
+	int i;
+
+	if (cls.state == ca_dedicated)
+		return -1;
+
+	if (COM_CheckParm("-nocdaudio"))
+		return -1;
+
+	if ((i = COM_CheckParm("-cddev")) != 0 && i < com_argc - 1) {
+		strncpy(cd_dev, com_argv[i + 1], sizeof(cd_dev));
+		cd_dev[sizeof(cd_dev) - 1] = 0;
+	}
+
+	if ((cdfile = open(cd_dev, O_RDONLY)) == -1) {
+		Con_Printf("CDAudio_Init: open of \"%s\" failed (%i)\n", cd_dev, errno);
+		cdfile = -1;
+		return -1;
+	}
+
+	for (i = 0; i < 100; i++)
+		remap[i] = i;
+	initialized = true;
+	enabled = true;
+
+	if (CDAudio_GetAudioDiskInfo())
+	{
+		Con_Printf("CDAudio_Init: No CD in player.\n");
+		cdValid = false;
+	}
+
+	Cmd_AddCommand ("cd", CD_f);
+
+	Con_Printf("CD Audio Initialized\n");
+
+	return 0;
+}
+
+
+void CDAudio_Shutdown(void)
+{
+	if (!initialized)
+		return;
+	CDAudio_Stop();
+	close(cdfile);
+	cdfile = -1;
+}