From de4463b5c3583b0fe616e049edbd457a22e0652a Mon Sep 17 00:00:00 2001
From: Spoike <acceptthis@users.sourceforge.net>
Date: Thu, 9 Dec 2004 23:34:59 +0000
Subject: [PATCH] cdrom support with SDL builds
git-svn-id: https://svn.code.sf.net/p/fteqw/code/trunk@597 fc73d0e0-1445-4013-8a0c-d673dee63da5
---
engine/client/cd_sdl.c | 389 +++++++++++++++++++++++++++++++++++++++++
1 file changed, 389 insertions(+)
create mode 100644 engine/client/cd_sdl.c
diff --git a/engine/client/cd_sdl.c b/engine/client/cd_sdl.c
new file mode 100644
index 000000000..513c6501c
--- /dev/null
+++ b/engine/client/cd_sdl.c
@@ -0,0 +1,389 @@
+#include "quakedef.h"
+
+#include <SDL/SDL.h>
+
+extern cvar_t bgmvolume;
+
+static qboolean cdValid = false;
+static qboolean playing = false;
+static qboolean wasPlaying = false;
+static qboolean initialized = false;
+static qboolean enabled = false;
+static qboolean playLooping = false;
+static float cdvolume;
+static qbyte remap[100];
+static qbyte playTrack;
+static qbyte maxTrack;
+
+static SDL_CD *cddevice;
+
+
+static void CDAudio_Eject(void)
+{
+ if (SDL_CDEject(cddevice))
+ Con_DPrintf("SDL_CDEject failed\n");
+}
+
+
+static void CDAudio_CloseDoor(void)
+{
+ Con_Printf("SDL does not support this\n");
+}
+
+
+static int CDAudio_GetAudioDiskInfo(void)
+{
+ cdValid = false;
+
+ switch (SDL_CDStatus(cddevice))
+ {
+ case CD_ERROR:
+ Con_Printf("SDL_CDStatus returned error\n");
+ case CD_TRAYEMPTY:
+ cdValid = false;
+ return 1;
+ default:
+ break;
+ }
+
+ cdValid = true;
+ maxTrack = cddevice->numtracks;
+
+ return 0;
+}
+
+
+void CDAudio_Play(int 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 (playing)
+ {
+ if (playTrack == track)
+ return;
+ CDAudio_Stop();
+ }
+
+ if (SDL_CDPlayTracks(cddevice, track, 0, track+1, 0))
+ {
+ Con_Printf("CDAudio: track %i is not audio\n", track);
+ return;
+ }
+
+ playLooping = looping;
+ playTrack = track;
+ playing = true;
+
+ if (cdvolume == 0.0)
+ CDAudio_Pause ();
+
+ return;
+}
+
+
+void CDAudio_Stop(void)
+{
+ if (!enabled)
+ return;
+
+ if (!playing)
+ return;
+
+ if (SDL_CDStop(cddevice))
+ Con_DPrintf("CDAudio: SDL_CDStop failed");
+
+ wasPlaying = false;
+ playing = false;
+}
+
+
+void CDAudio_Pause(void)
+{
+ if (!enabled)
+ return;
+
+ if (!playing)
+ return;
+
+ if (SDL_CDPause(cddevice))
+ Con_DPrintf("CDAudio: SDL_CDPause failed");
+
+ wasPlaying = playing;
+ playing = false;
+}
+
+
+void CDAudio_Resume(void)
+{
+ if (!enabled)
+ return;
+
+ if (!cdValid)
+ return;
+
+ if (!wasPlaying)
+ return;
+
+ if (SDL_CDResume(cddevice))
+ {
+ Con_DPrintf("CDAudio: SDL_CDResume failed\n");
+ return;
+ }
+ playing = true;
+}
+
+
+static void CD_f (void)
+{
+ char *command;
+ int ret;
+ int n;
+
+ if (!initialized)
+ return;
+
+ 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 (Q_strcasecmp(command, "play") == 0)
+ {
+ CDAudio_Play((qbyte)Q_atoi(Cmd_Argv (2)), false);
+ return;
+ }
+
+ if (Q_strcasecmp(command, "eject") == 0)
+ {
+ if (playing)
+ CDAudio_Stop();
+ CDAudio_Eject();
+ cdValid = false;
+ return;
+ }
+
+ if (!cdValid)
+ {
+ CDAudio_GetAudioDiskInfo();
+ if (!cdValid)
+ {
+ Con_Printf("No CD in player.\n");
+ return;
+ }
+ }
+
+ if (Q_strcasecmp(command, "loop") == 0)
+ {
+ CDAudio_Play((qbyte)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, "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;
+ }
+}
+
+/*
+LONG CDAudio_MessageHandler(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
+{
+ if (lParam != wDeviceID)
+ return 1;
+
+ switch (wParam)
+ {
+ case MCI_NOTIFY_SUCCESSFUL:
+ if (playing)
+ {
+ playing = false;
+ if (playLooping)
+ CDAudio_Play(playTrack, true);
+ }
+ break;
+
+ case MCI_NOTIFY_ABORTED:
+ case MCI_NOTIFY_SUPERSEDED:
+ break;
+
+ case MCI_NOTIFY_FAILURE:
+ Con_DPrintf("MCI_NOTIFY_FAILURE\n");
+ CDAudio_Stop ();
+ cdValid = false;
+ break;
+
+ default:
+ Con_DPrintf("Unexpected MM_MCINOTIFY type (%i)\n", wParam);
+ return 1;
+ }
+
+ return 0;
+}
+*/
+
+void CDAudio_Update(void)
+{
+ 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 ();
+ }
+ }
+}
+
+
+int CDAudio_Init(void)
+{
+ int n;
+
+ Con_Printf("SDL has no sound code\n");
+
+#if 0 // QW
+ if (cls.state == ca_dedicated)
+ return -1;
+#endif
+ if (COM_CheckParm("-nocdaudio"))
+ return -1;
+
+ SDL_InitSubSystem(SDL_INIT_CDROM|SDL_INIT_NOPARACHUTE);
+
+ if(!SDL_CDNumDrives())
+ {
+ Con_DPrintf("CDAudio_Init: No CD drives\n");
+ return -1;
+ }
+
+ cddevice = SDL_CDOpen(0);
+ if (!cddevice)
+ {
+ Con_Printf("CDAudio_Init: SDL_CDOpen failed\n");
+ return -1;
+ }
+
+ for (n = 0; n < 100; n++)
+ remap[n] = n;
+ initialized = true;
+ enabled = true;
+
+ if (CDAudio_GetAudioDiskInfo())
+ {
+ Con_Printf("CDAudio_Init: No CD in player.\n");
+ cdValid = false;
+ enabled = false;
+ }
+
+ Cmd_AddCommand ("cd", CD_f);
+
+// Con_Printf("CD Audio Initialized\n");
+
+ return 0;
+}
+
+
+void CDAudio_Shutdown(void)
+{
+ if (!initialized)
+ return;
+ CDAudio_Stop();
+
+ SDL_CDClose(cddevice);
+ cddevice = NULL;
+ initialized = false;
+}