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/*
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* This file is part of OpenTTD.
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* OpenTTD 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, version 2.
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* OpenTTD 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.
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* See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with OpenTTD. If not, see <http://www.gnu.org/licenses/>.
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*/
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/** @file os2_m.cpp Music playback on OS/2. */
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#include "../stdafx.h"
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#include "../openttd.h"
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#include "os2_m.h"
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#include "midifile.hpp"
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#include "../base_media_base.h"
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#define INCL_DOS
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#define INCL_OS2MM
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#define INCL_WIN
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#include <stdarg.h>
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#include <os2.h>
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#include <os2me.h>
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#include "../safeguards.h"
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/**********************
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* OS/2 MIDI PLAYER
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**********************/
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/* Interesting how similar the MCI API in OS/2 is to the Win32 MCI API,
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* eh? Anyone would think they both came from the same place originally! ;)
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*/
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/**
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* Send a midi command.
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* @param cmd The command to send.
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* @return The result of sending it.
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*/
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static long CDECL MidiSendCommand(const char *cmd, ...)
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{
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va_list va;
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char buf[512];
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va_start(va, cmd);
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vseprintf(buf, lastof(buf), cmd, va);
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va_end(va);
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return mciSendString(buf, nullptr, 0, nullptr, 0);
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}
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/** OS/2's music player's factory. */
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static FMusicDriver_OS2 iFMusicDriver_OS2;
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void MusicDriver_OS2::PlaySong(const MusicSongInfo &song)
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{
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std::string filename = MidiFile::GetSMFFile(song);
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MidiSendCommand("close all");
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if (filename.empty()) return;
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if (MidiSendCommand("open %s type sequencer alias song", filename.c_str()) != 0) {
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return;
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}
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MidiSendCommand("play song from 0");
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}
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void MusicDriver_OS2::StopSong()
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{
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MidiSendCommand("close all");
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}
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void MusicDriver_OS2::SetVolume(byte vol)
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{
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MidiSendCommand("set song audio volume %d", ((vol/127)*100));
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}
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bool MusicDriver_OS2::IsSongPlaying()
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{
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char buf[16];
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mciSendString("status song mode", buf, sizeof(buf), nullptr, 0);
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return strcmp(buf, "playing") == 0 || strcmp(buf, "seeking") == 0;
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}
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const char *MusicDriver_OS2::Start(const StringList &parm)
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{
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return 0;
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}
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void MusicDriver_OS2::Stop()
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{
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MidiSendCommand("close all");
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}
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