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engines/dgds/sound.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/>.
+ *
+ */
+
+#ifndef DGDS_SOUND_H
+#define DGDS_SOUND_H
+
+#include "common/scummsys.h"
+#include "audio/audiostream.h"
+#include "audio/mixer.h"
+
+namespace Dgds {
+
+class ResourceManager;
+class Decompressor;
+class DgdsMidiPlayer;
+class SciMusic;
+class MusicEntry;
+class AudioPlayer;
+
+struct Channel {
+	Audio::AudioStream *stream;
+	Audio::SoundHandle handle;
+	byte volume;
+};
+
+struct SoundData {
+	SoundData() : _size(0), _data(nullptr), _flags(0) {}
+	uint32 _size;
+	const byte *_data;
+	uint16 _flags;
+};
+
+class Sound {
+public:
+	Sound(Audio::Mixer *mixer, ResourceManager *resource, Decompressor *decompressor);
+	~Sound();
+
+	void playAmigaSfx(const Common::String &filename, byte channel, byte volume);
+	bool loadMusic(const Common::String &filename);
+	void loadSFX(const Common::String &filename);
+
+	void playMusic(int num);
+	void stopMusic();
+	void unloadMusic();
+
+	void playSFX(int num);
+
+	void playMusicOrSFX(int num);
+	void stopMusicOrSFX(int num);
+	void pauseMusicOrSFX(int num);
+	void unpauseMusicOrSFX(int num);
+
+	void stopSfxForChannel(byte channel);
+	void stopSfxByNum(int num);
+	void stopAllSfx();
+
+	bool playPCM(const byte *data, uint32 size);
+
+	void muteSoundType(Audio::Mixer::SoundType soundType);
+	void unmuteSoundType(Audio::Mixer::SoundType soundType);
+
+private:
+	void loadSNGSoundData(const Common::String &filename, Common::Array<SoundData> &dataArray);
+	bool loadSXSoundData(const Common::String &filename, Common::Array<SoundData> &dataArray, Common::HashMap<uint16, uint16> &idMap);
+	void patchSoundData(const Common::String &filename, uint16 soundNumber, byte *data, uint32 size);
+
+	void playPCSound(int num, const Common::Array<SoundData> &dataArray, Audio::Mixer::SoundType soundType);
+
+	void processInitSound(uint32 obj, const SoundData &data, Audio::Mixer::SoundType soundType);
+	void processDisposeSound(uint32 obj);
+	void processStopSound(uint32 obj, bool sampleFinishedPlaying);
+	void processPlaySound(uint32 obj, bool playBed, bool restoring, const SoundData &data);
+	void initSoundResource(MusicEntry *newSound, const SoundData &data, Audio::Mixer::SoundType soundType);
+
+	int mapSfxNum(int num) const;
+	int mapMusicNum(int num) const;
+
+	struct Channel _channels[2];
+
+	Common::Array<SoundData> _musicData;
+	Common::HashMap<uint16, uint16> _musicIdMap;
+
+	Common::Array<SoundData> _sfxData;
+	Common::HashMap<uint16, uint16> _sfxIdMap;
+
+	Common::String _currentMusic;
+
+	SciMusic *_music;
+
+	Audio::Mixer *_mixer;
+	ResourceManager *_resource;
+	Decompressor *_decompressor;
+
+	bool _isMusicMuted;
+	bool _isSfxMuted;
+};
+
+enum {
+	DIGITAL_PCM   = 1 << 0,
+	TRACK_ADLIB   = 1 << 1,
+	TRACK_GM      = 1 << 2,
+	TRACK_MT32    = 1 << 3,
+	TRACK_CMS     = 1 << 4,
+	TRACK_PCSPK   = 1 << 5,
+	TRACK_TANDY   = 1 << 6,
+};
+
+} // End of namespace Dgds
+
+#endif // DGDS_SOUND_H