92 lines
2.8 KiB
C++
92 lines
2.8 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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* 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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/*
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* Copyright (C) 2006-2010 - Frictional Games
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*
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* This file is part of HPL1 Engine.
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*/
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#ifndef HPL_LOWLEVELSOUND_OPENAL_H
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#define HPL_LOWLEVELSOUND_OPENAL_H
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#include "common/array.h"
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#include "hpl1/engine/sound/LowLevelSound.h"
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namespace Audio {
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class Mixer;
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}
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namespace hpl {
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class cOpenALSoundChannel;
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class cLowLevelSoundOpenAL : public iLowLevelSound {
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public:
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cLowLevelSoundOpenAL();
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~cLowLevelSoundOpenAL();
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void GetSupportedFormats(tStringList &alstFormats);
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iSoundData *LoadSoundData(const tString &asName, const tString &asFilePath,
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const tString &asType, bool abStream, bool abLoopStream);
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void UpdateSound(float afTimeStep);
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void SetListenerAttributes(const cVector3f &avPos, const cVector3f &avVel,
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const cVector3f &avForward, const cVector3f &avUp);
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void SetListenerPosition(const cVector3f &avPos);
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void SetSetRolloffFactor(float afFactor);
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void SetListenerAttenuation(bool abEnabled);
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void Init(bool abUseHardware, bool abForceGeneric, bool abUseEnvAudio, int alMaxChannels,
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int alStreamUpdateFreq, bool abUseThreading, bool abUseVoiceManagement,
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int alMaxMonoSourceHint, int alMaxStereoSourceHint,
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int alStreamingBufferSize, int alStreamingBufferCount, bool abEnableLowLevelLog,
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tString asDeviceName);
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void SetVolume(float afVolume);
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void SetEnvVolume(float afEnvVolume);
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iSoundEnvironment *LoadSoundEnvironment(const tString &asFilePath);
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void SetSoundEnvironment(iSoundEnvironment *apSoundEnv);
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void FadeSoundEnvironment(iSoundEnvironment *apSourceSoundEnv, iSoundEnvironment *apDestSoundEnv, float afT);
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bool playChannel(cOpenALSoundChannel *channel);
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void closeChannel(cOpenALSoundChannel *channel);
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private:
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static const int MAX_ACTIVE_CHANNELS = 32;
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Common::Array<cOpenALSoundChannel *> _activeChannels;
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Audio::Mixer *_mixer;
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tString mvFormats[30];
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bool mbInitialized;
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bool mbNullEffectAttached;
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};
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} // namespace hpl
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#endif // HPL_LOWLEVELSOUND_OPENAL_H
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