From cf82bef02ee2941ddad6664e34f3c94e35e015a3 Mon Sep 17 00:00:00 2001
From: Eugene Sandulenko
Date: Fri, 8 Oct 2010 22:30:39 +0000
Subject: TOON: Merged Toon engine to ScummVM trunk

svn-id: r53087
---
 engines/toon/audio.h | 143 +++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 143 insertions(+)
 create mode 100644 engines/toon/audio.h

(limited to 'engines/toon/audio.h')

diff --git a/engines/toon/audio.h b/engines/toon/audio.h
new file mode 100644
index 0000000000..178e8162c7
--- /dev/null
+++ b/engines/toon/audio.h
@@ -0,0 +1,143 @@
+/* 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 2
+ * 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, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ * $URL$
+ * $Id$
+ *
+ */
+
+#ifndef TOON_AUDIO_H
+#define TOON_AUDIO_H
+
+#include "sound/audiostream.h"
+#include "sound/mixer.h"
+#include "toon.h"
+
+namespace Toon {
+
+// used for music/voice/everything
+class AudioManager;
+class AudioStreamInstance : public Audio::AudioStream {
+
+public:
+	AudioStreamInstance(AudioManager *man, Audio::Mixer *mixer, Common::SeekableReadStream *stream, bool looping = false);
+	~AudioStreamInstance();
+	void play(bool fade = false, Audio::Mixer::SoundType soundType = Audio::Mixer::kMusicSoundType);
+	void stop(bool fade = false);
+
+	bool isPlaying() {
+		return !_stopped;
+	}
+	bool isLooping() {
+		return _looping;
+	}
+	bool isFading() {
+		return _fadingIn || _fadingOut;
+	}
+
+	void setVolume(int32 volume);
+protected:
+	int32 readBuffer(int16 *buffer, const int numSamples);
+	bool isStereo() const {
+		return false;
+	};
+	int getRate() const {
+		return 22100;
+	};
+	bool endOfData() const {
+		return _stopped;
+	};
+	void handleFade(int32 numSamples);
+	void stopNow();
+
+	bool readPacket();
+	void decodeADPCM(uint8 *comp, int16 *dest, int32 packetSize);
+
+	Common::SeekableReadStream *_file;
+	bool _fadingIn;
+	bool _fadingOut;
+	int32 _fadeTime;
+	uint8 *_compBuffer;
+	int16 *_buffer;
+	int32 _bufferSize;
+	int32 _bufferMaxSize;
+	int32 _bufferOffset;
+	int32 _compBufferSize;
+	Audio::SoundHandle _handle;
+	Audio::Mixer *_mixer;
+	int32 _lastADPCMval1;
+	int32 _lastADPCMval2;
+	bool _stopped;
+	AudioManager *_man;
+	int32 _totalSize;
+	int32 _currentReadSize;
+	bool _looping;
+	int32 _volume;
+};
+
+class AudioStreamPackage {
+
+public:
+	AudioStreamPackage(ToonEngine *vm);
+	bool loadAudioPackage(Common::String indexFile, Common::String streamFile);
+	void getInfo(int32 id, int32 *offset, int32 *size);
+	Common::SeekableReadStream *getStream(int32 id, bool ownMemory = false);
+protected:
+	Common::SeekableReadStream *_file;
+	uint32 *_indexBuffer;
+	ToonEngine *_vm;
+};
+
+class AudioManager {
+public:
+	void removeInstance(AudioStreamInstance *inst); // called by destructor
+
+	AudioManager(ToonEngine *vm, Audio::Mixer *mixer);
+	~AudioManager(void);
+
+	bool voiceStillPlaying();
+
+	void playMusic(Common::String dir, Common::String music);
+	void playVoice(int32 id, bool genericVoice);
+	void playSFX(int32 id, int volume, bool genericSFX);
+	void stopCurrentVoice();
+	void setMusicVolume(int32 volume);
+	void stopMusic();
+
+
+	bool loadAudioPack(int32 id, Common::String indexFile, Common::String packFile);
+
+	AudioStreamInstance *_channels[16];  // 0-1 : music
+	// 2 : voice
+	// 3-16 : SFX
+
+	AudioStreamPackage *_audioPacks[4];  // 0 : generic streams
+	// 1 : local streams
+	// 2 : generic SFX
+	// 3 : local SFX
+	uint32 _currentMusicChannel;
+	Common::String _currentMusicName;
+	ToonEngine *_vm;
+	Audio::Mixer *_mixer;
+};
+
+} // End of namespace Toon
+
+#endif
-- 
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