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engines/mohawk/myst_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 MOHAWK_MYST_SOUND_H
+#define MOHAWK_MYST_SOUND_H
+
+#include "common/scummsys.h"
+#include "common/str.h"
+
+#include "audio/mixer.h"
+
+namespace Audio {
+class RewindableAudioStream;
+}
+
+namespace Mohawk {
+
+struct CueList;
+class MohawkEngine_Myst;
+
+class MystSound {
+public:
+	explicit MystSound(MohawkEngine_Myst *vm);
+	~MystSound();
+
+	// Effect channel
+	void playEffect(uint16 id, bool loop = false);
+	void stopEffect();
+	bool isEffectPlaying();
+
+	// Background channel
+	void playBackground(uint16 id, uint16 volume = 0xFFFF);
+	void pauseBackground();
+	void resumeBackground();
+	void stopBackground();
+	void changeBackgroundVolume(uint16 volume);
+
+	// Speech channel
+	void playSpeech(uint16 id, CueList *cueList = nullptr);
+	bool isSpeechPlaying();
+	uint getSpeechNumSamplesPlayed();
+	void stopSpeech();
+
+private:
+	MohawkEngine_Myst *_vm;
+
+	Audio::RewindableAudioStream *makeAudioStream(uint16 id, CueList *cueList = nullptr);
+	uint16 convertMystID(uint16 id);
+
+	Audio::SoundHandle _effectHandle;
+	int _speechSamplesPerSecond;
+	uint16 _effectId;
+
+	Audio::SoundHandle _backgroundHandle;
+	uint16 _backgroundId;
+
+	Audio::SoundHandle _speechHandle;
+};
+
+} // End of namespace Mohawk
+
+#endif