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engines/saga2/audio.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
+ * aint32 with this program; if not, write to the Free Software
+ *
+ *
+ * Based on the original sources
+ *   Faery Tale II -- The Halls of the Dead
+ *   (c) 1993-1996 The Wyrmkeep Entertainment Co.
+ */
+
+#ifndef SAGA2_AUDIO_H
+#define SAGA2_AUDIO_H
+
+#include "audio/mixer.h"
+
+namespace Saga2 {
+
+class Music;
+class hResContext;
+
+#define Here Point32(0,0)
+
+enum VolumeTarget {
+	kVolSfx,
+	kVolVoice,
+	kVolMusic
+};
+
+struct SoundInstance {
+	uint32 seg;
+	bool loop;
+	Point32 loc;
+};
+
+class AudioInterface {
+private:
+	enum {
+		kClickSounds = 3
+	};
+
+	SoundInstance _currentSpeech;
+	SoundInstance _currentLoop;
+	SoundInstance _currentMusic;
+
+public:
+	Audio::SoundHandle _speechSoundHandle;
+	Audio::SoundHandle _sfxSoundHandle;
+	Audio::SoundHandle _bgmSoundHandle;
+	Audio::SoundHandle _clickSoundHandle;
+	Audio::SoundHandle _loopSoundHandle;
+
+	Common::List<SoundInstance> _speechQueue;
+	Common::Queue<SoundInstance> _sfxQueue;
+
+	Audio::Mixer *_mixer;
+	Music *_music;
+
+	int32 _clickSizes[kClickSounds];
+	uint8 *_clickData[kClickSounds];
+
+public:
+	// ctor, dtor, initialization
+	AudioInterface();
+	~AudioInterface();
+
+	// init, cleanup
+	void initAudioInterface(hResContext *musicContext);
+
+	// event loop calls
+	bool playFlag();
+	void playMe();
+
+	// music calls
+	void playMusic(uint32 s, int16 loopFactor = 1, Point32 where = Here);
+	void stopMusic();
+
+	// sound calls
+	void queueSound(uint32 s, int16 loopFactor = 1, Point32 where = Here);
+
+	// loop calls
+	void playLoop(uint32 s, int16 loopFactor = 0, Point32 where = Here);
+	void stopLoop();
+	void setLoopPosition(Point32 newLoc);
+	uint32 currentLoop() {
+		return _currentLoop.seg;
+	}
+
+	// voice calls
+	void queueVoice(uint32 s, Point32 where = Here);
+	void queueVoice(uint32 s[], Point32 where = Here);
+	void stopVoice();
+	bool talking();
+	bool saying(uint32 s);
+
+	byte getVolume(VolumeTarget src);
+	void suspend();
+	void resume();
+};
+
+} // end of namespace Saga2
+
+#endif