88 lines
2.4 KiB
C++
88 lines
2.4 KiB
C++
/* ScummVM - Graphic Adventure Engine
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*
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* ScummVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the COPYRIGHT
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* file distributed with this source distribution.
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*
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* Additional copyright for this file:
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* Copyright (C) 1999-2000 Revolution Software Ltd.
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* This code is based on source code created by Revolution Software,
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* used with permission.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#ifndef ICB_MUSICMANAGER_H_INCLUDED_
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#define ICB_MUSICMANAGER_H_INCLUDED_
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#include "engines/icb/common/px_common.h"
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#include "engines/icb/sound/direct_sound.h"
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#include "common/stream.h"
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#include "audio/audiostream.h"
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#include "audio/mixer.h"
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namespace ICB {
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class MusicManager {
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private:
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Audio::AudioStream *_audioStream;
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Audio::SoundHandle _handle;
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uint32 m_bufferLength; // Stores the length of the sound buffers in bytes
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int32 m_musicVol; // The volume the each stream was started at
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uint32 m_wavByteOffsetInCluster;
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uint32 m_wavDataSize;
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bool8 m_paused;
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int32 m_lengthInCycles; // Assumes 12 frames per second
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int32 m_fading;
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int32 m_adjustFadeVol;
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uint32 m_identifier; // Handle if you like of loaded music
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public:
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MusicManager();
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~MusicManager();
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bool8 UpdateMusic();
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bool8 LoadMusic(const char *clusterName, uint32 byteOffsetToWav, int32 vol = 128);
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bool8 StartMusic(const char *clusterName, uint32 byteOffsetToWav, int32 vol = 128);
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bool8 PlayMusic();
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void StopMusic();
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void SetMusicPausedStatus(bool8 p = TRUE8);
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void SetMusicVolume(int32 volume);
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bool8 IsPlaying();
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bool8 IsPaused() { return m_paused; }
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int32 GetLength() { return m_lengthInCycles; }
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private:
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bool8 OpenMusic(Common::SeekableReadStream *stream);
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void KillBuffer();
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void SetVolume(int32 volume);
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void AdjustVolume(int32 amount);
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};
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extern MusicManager *g_theMusicManager;
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} // End of namespace ICB
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#endif
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