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09dcb247cf
The game should switching to MIDI music on platforms without CD playback support It was impossible to start Hexen on platforms other than Windows
210 lines
4.4 KiB
C++
210 lines
4.4 KiB
C++
/*
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** music_cd.cpp
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**
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**---------------------------------------------------------------------------
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** Copyright 1999-2003 Randy Heit
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** All rights reserved.
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**
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** Redistribution and use in source and binary forms, with or without
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** modification, are permitted provided that the following conditions
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** are met:
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**
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** 1. Redistributions of source code must retain the above copyright
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** notice, this list of conditions and the following disclaimer.
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** 2. Redistributions in binary form must reproduce the above copyright
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** notice, this list of conditions and the following disclaimer in the
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** documentation and/or other materials provided with the distribution.
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** 3. The name of the author may not be used to endorse or promote products
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** derived from this software without specific prior written permission.
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**
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** THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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** IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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** OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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** IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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** INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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** NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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** THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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**---------------------------------------------------------------------------
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**
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*/
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#include "zmusic/zmusic.h"
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#include "zmusic/musinfo.h"
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#ifdef _WIN32
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#include "zmusic/m_swap.h"
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#include "win32/i_cd.h"
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// CD track/disk played through the multimedia system -----------------------
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class CDSong : public MusInfo
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{
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public:
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CDSong(int track, int id);
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~CDSong();
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void Play(bool looping, int subsong);
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void Pause();
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void Resume();
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void Stop();
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bool IsPlaying();
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bool IsValid() const { return m_Inited; }
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protected:
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CDSong() : m_Inited(false) {}
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int m_Track;
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bool m_Inited;
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};
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// CD track on a specific disk played through the multimedia system ---------
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class CDDAFile : public CDSong
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{
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public:
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CDDAFile(MusicIO::FileInterface* reader);
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};
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void CDSong::Play (bool looping, int subsong)
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{
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m_Status = STATE_Stopped;
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m_Looping = looping;
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if (m_Track != 0 ? CD_Play (m_Track, looping) : CD_PlayCD (looping))
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{
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m_Status = STATE_Playing;
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}
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}
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void CDSong::Pause ()
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{
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if (m_Status == STATE_Playing)
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{
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CD_Pause ();
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m_Status = STATE_Paused;
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}
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}
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void CDSong::Resume ()
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{
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if (m_Status == STATE_Paused)
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{
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if (CD_Resume ())
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m_Status = STATE_Playing;
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}
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}
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void CDSong::Stop ()
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{
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if (m_Status != STATE_Stopped)
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{
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m_Status = STATE_Stopped;
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CD_Stop ();
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}
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}
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CDSong::~CDSong ()
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{
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Stop ();
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m_Inited = false;
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}
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CDSong::CDSong (int track, int id)
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{
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bool success;
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m_Inited = false;
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if (id != 0)
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{
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success = CD_InitID (id);
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}
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else
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{
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success = CD_Init (-1);
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}
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if (success && (track == 0 || CD_CheckTrack (track)))
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{
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m_Inited = true;
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m_Track = track;
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}
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}
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bool CDSong::IsPlaying ()
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{
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if (m_Status == STATE_Playing)
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{
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if (CD_GetMode () != CDMode_Play)
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{
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Stop ();
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}
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}
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return m_Status != STATE_Stopped;
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}
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CDDAFile::CDDAFile (MusicIO::FileInterface* reader)
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: CDSong ()
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{
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uint32_t chunk;
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uint16_t track;
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uint32_t discid;
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auto endpos = reader->tell() + reader->filelength() - 8;
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// ZMusic_OpenSong already identified this as a CDDA file, so we
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// just need to check the contents we're interested in.
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reader->seek(12, SEEK_CUR);
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while (reader->tell() < endpos)
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{
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reader->read(&chunk, 4);
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if (chunk != (('f')|(('m')<<8)|(('t')<<16)|((' ')<<24)))
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{
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reader->read(&chunk, 4);
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reader->seek(LittleLong(chunk), SEEK_CUR);
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}
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else
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{
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reader->seek(6, SEEK_CUR);
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reader->read(&track, 2);
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reader->read(&discid, 4);
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if (CD_InitID (LittleLong(discid)) && CD_CheckTrack (LittleShort(track)))
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{
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m_Inited = true;
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m_Track = track;
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}
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return;
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}
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}
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}
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MusInfo* CD_OpenSong(int track, int id)
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{
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return new CDSong(track, id);
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}
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MusInfo* CDDA_OpenSong(MusicIO::FileInterface* reader)
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{
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return new CDDAFile(reader);
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}
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#else
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MusInfo* CD_OpenSong(int track, int id)
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{
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return nullptr;
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}
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MusInfo* CDDA_OpenSong(MusicIO::FileInterface* reader)
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{
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return nullptr;
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}
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#endif
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