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engines/agds/soundManager.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 SOUND_MANAGER_H
+#define SOUND_MANAGER_H
+
+#include "audio/mixer.h"
+#include "common/hashmap.h"
+#include "common/list.h"
+#include "common/scummsys.h"
+#include "common/str.h"
+
+namespace Common {
+class SeekableReadStream;
+}
+namespace Audio {
+class Mixer;
+}
+
+namespace AGDS {
+class AGDSEngine;
+
+struct Sound {
+	int id;
+	Common::String process;
+	Common::String resource;
+	Common::String filename;
+	Common::String phaseVar;
+	Audio::SoundHandle handle;
+	int volume;
+	int pan;
+	int group;
+	bool paused;
+	Sound(int id_, const Common::String &process_, const Common::String &res, const Common::String &filename_, const Common::String &var, int volume_, int pan_, int group_ = 0) : id(id_), process(process_), resource(res), filename(filename_), phaseVar(var), handle(), volume(volume_), pan(pan_), group(group_), paused(false) {
+	}
+
+	int leftVolume() const {
+		return pan < 0 ? volume : volume * (100 - pan) / 100;
+	}
+
+	int rightVolume() const {
+		return pan < 0 ? volume * (100 + pan) / 100 : volume;
+	}
+};
+
+class SoundManager {
+	using SoundList = Common::List<Sound>;
+	int _nextId;
+	AGDSEngine *_engine;
+	Audio::Mixer *_mixer;
+	SoundList _sounds;
+
+public:
+	SoundManager(AGDSEngine *engine, Audio::Mixer *mixer) : _nextId(1), _engine(engine), _mixer(mixer) {}
+	void tick();
+	int play(Common::String process, const Common::String &resource, const Common::String &filename, const Common::String &phaseVar, bool startPlaying, int volume, int pan, int id = -1, bool ambient = false);
+	bool playing(int id) const;
+	void stopAllFrom(const Common::String &process);
+	void stopAll();
+	const Sound *find(int id) const;
+	Sound *findSampleByPhaseVar(const Common::String &phaseVar);
+};
+
+} // End of namespace AGDS
+
+#endif /* AGDS_SOUND_MANAGER_H */