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engines/sky/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 SKY_SOUND_H
+#define SKY_SOUND_H
+
+
+#include "common/scummsys.h"
+#include "audio/mixer.h"
+
+namespace Sky {
+
+class Disk;
+
+enum {
+	SOUND_CH0    = 0,
+	SOUND_CH1    = 1,
+	SOUND_BG     = 2,
+	SOUND_VOICE  = 3,
+	SOUND_SPEECH = 4
+};
+
+struct SfxQueue {
+	uint8 count, fxNo, chan, vol;
+};
+
+#define MAX_QUEUED_FX 4
+
+class Sound {
+protected:
+
+public:
+
+	Audio::Mixer *_mixer;
+	Audio::SoundHandle _voiceHandle;
+	Audio::SoundHandle _effectHandle;
+	Audio::SoundHandle _bgSoundHandle;
+	Audio::SoundHandle _ingameSound0, _ingameSound1, _ingameSpeech;
+
+	uint16 _saveSounds[2];
+
+protected:
+
+	void playSound(uint32 id, byte *sound, uint32 size, Audio::SoundHandle *handle);
+
+public:
+	Sound(Audio::Mixer *mixer, Disk *pDisk, uint8 pVolume);
+	~Sound();
+
+	void loadSection(uint8 pSection);
+	void playSound(uint16 sound, uint16 volume, uint8 channel);
+	void fnStartFx(uint32 sound, uint8 channel);
+	bool startSpeech(uint16 textNum);
+	bool speechFinished() { return !_mixer->isSoundHandleActive(_ingameSpeech); }
+	void fnPauseFx();
+	void fnUnPauseFx();
+	void fnStopFx();
+	void stopSpeech();
+	void checkFxQueue();
+	void restoreSfx();
+	uint8 _soundsTotal;
+
+private:
+	Disk *_skyDisk;
+	uint16 _sfxBaseOfs;
+	uint8 *_soundData;
+	uint8 *_sampleRates, *_sfxInfo;
+	uint8 _mainSfxVolume;
+
+	bool _isPaused;
+
+	static uint16 _speechConvertTable[8];
+	static SfxQueue _sfxQueue[MAX_QUEUED_FX];
+};
+
+} // End of namespace Sky
+
+#endif