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engines/saga/music.h

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+/* ScummVM - Graphic Adventure Engine
+ *
+ * ScummVM is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
+ *
+ * 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 3 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, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+// Music class
+
+#ifndef SAGA_MUSIC_H
+#define SAGA_MUSIC_H
+
+#include "audio/audiostream.h"
+#include "audio/mididrv.h"
+#include "audio/mididrv_ms.h"
+#include "audio/mt32gm.h"
+#include "audio/midiparser.h"
+#include "audio/mixer.h"
+#include "audio/softsynth/fmtowns_pc98/towns_pc98_driver.h"
+
+class TownsPC98_AudioDriver;
+
+namespace Saga {
+
+enum MusicFlags {
+	MUSIC_NORMAL = 0,
+	MUSIC_LOOP = 0x0001
+};
+
+class Music {
+private:
+	static const uint8 MUSIC_SUNSPOT = 26;
+	static const uint8 MT32_GOODBYE_MSG[MidiDriver_MT32GM::MT32_DISPLAY_NUM_CHARS];
+
+public:
+	Music(SagaEngine *vm, Audio::Mixer *mixer);
+	~Music();
+	void close();
+	bool isPlaying();
+	bool hasDigitalMusic() { return _digitalMusic; }
+
+	void play(uint32 resourceId, MusicFlags flags = MUSIC_NORMAL);
+	void pause();
+	void resume();
+	void stop();
+
+	void setVolume(int volume, int time = 1);
+	int getVolume() { return _currentVolume; }
+	void resetVolume();
+	bool isFading();
+
+	bool isAdlib() const { return  _driverType == MT_ADLIB; }
+
+	void syncSoundSettings();
+
+	Common::Array<int32> _songTable;
+
+private:
+	SagaEngine *_vm;
+	Audio::Mixer *_mixer;
+
+	MidiParser *_parser;
+	MidiDriver_Multisource *_driver;
+	TownsPC98_AudioDriver *_driverPC98;
+	Audio::SoundHandle _musicHandle;
+	uint32 _trackNumber;
+
+	int _userVolume;
+	bool _userMute;
+	int _targetVolume;
+	int _currentVolume;
+	int _currentVolumePercent;
+	bool _digitalMusic;
+	MusicType _musicType;
+	MusicType _driverType;
+
+	ResourceContext *_musicContext;
+	ResourceContext *_digitalMusicContext;
+
+
+	static void musicVolumeGaugeCallback(void *refCon);
+	static void timerCallback(void *refCon);
+	void onTimer();
+	bool playDigital(uint32 resourceId, MusicFlags flags);
+	void playProtracker(uint32 resourceId, MusicFlags flags);
+	void playQuickTime(uint32 resourceId, MusicFlags flags);
+	void playMidi(uint32 resourceId, MusicFlags flags);
+	void musicVolumeGauge();
+	ByteArray *_currentMusicBuffer;
+	ByteArray _musicBuffer[2];
+};
+
+} // End of namespace Saga
+
+#endif