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engines/crab/music/MusicManager.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/>.
+ *
+ */
+
+/*
+ * This code is based on the CRAB engine
+ *
+ * Copyright (c) Arvind Raja Yadav
+ *
+ * Licensed under MIT
+ *
+ */
+
+#ifndef CRAB_MUSICMANAGER_H
+#define CRAB_MUSICMANAGER_H
+
+#include "audio/mixer.h"
+#include "audio/decoders/wave.h"
+#include "crab/music/musicparam.h"
+
+namespace Crab {
+
+namespace pyrodactyl {
+namespace music {
+class MusicManager {
+	struct EffectAudio {
+		Common::File _file;
+		Audio::SeekableAudioStream *_stream;
+		Audio::SoundHandle *_handle;
+	};
+
+	// The background music for our current level
+	MusicData _bg;
+
+	Common::HashMap<ChunkKey, EffectAudio *> _effects;
+
+	Audio::SoundHandle *_musicHandle;
+
+public:
+	// The notification sound
+	ChunkKey _notify, _repInc, _repDec;
+
+	MusicManager() {
+		_notify = -1;
+		_repInc = -1;
+		_repDec = -1;
+
+		_musicHandle = nullptr;
+	}
+	~MusicManager() {}
+
+	bool load(rapidxml::xml_node<char> *node);
+
+	void syncSettings();
+
+	void playMusic(const MusicKey &id);
+	void playEffect(const ChunkKey &id, const int &loops);
+
+	static void pause() {
+		g_system->getMixer()->pauseAll(true);
+	}
+
+	static void resume() {
+		g_system->getMixer()->pauseAll(false);
+	}
+
+	static void stop() {
+		g_system->getMixer()->stopAll();
+	}
+
+	static void volEffects(const int &volume, const bool &unmute = false) {
+		if (unmute)
+			g_system->getMixer()->muteSoundType(Audio::Mixer::kSFXSoundType, false);
+		g_system->getMixer()->setVolumeForSoundType(Audio::Mixer::kSFXSoundType, volume);
+	}
+
+	static int volEffects() {
+		return g_system->getMixer()->getVolumeForSoundType(Audio::Mixer::kSFXSoundType);
+	}
+
+	static void volMusic(const int &volume, const bool &unmute = false) {
+		if (unmute)
+			g_system->getMixer()->muteSoundType(Audio::Mixer::kMusicSoundType, false);
+		g_system->getMixer()->setVolumeForSoundType(Audio::Mixer::kMusicSoundType, volume);
+	}
+
+	static int volMusic() {
+		return g_system->getMixer()->getVolumeForSoundType(Audio::Mixer::kMusicSoundType);
+	}
+
+	void saveState();
+
+	void freeMusic();
+	void freeChunk();
+
+	void quit() {
+		g_system->getMixer()->stopAll();
+
+		freeMusic();
+		freeChunk();
+	}
+};
+
+} // End of namespace music
+} // End of namespace pyrodactyl
+
+} // End of namespace Crab
+
+#endif // CRAB_MUSICMANAGER_H