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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/>.
*
*/
/*
* Copyright (C) 2006-2010 - Frictional Games
*
* This file is part of HPL1 Engine.
*/
#ifndef HPL_LOWLEVELSOUND_H
#define HPL_LOWLEVELSOUND_H
#include "hpl1/engine/math/MathTypes.h"
#include "hpl1/engine/system/SystemTypes.h"
#include "hpl1/engine/system/low_level_system.h"
namespace hpl {
class iSoundData;
class iSoundEnvironment;
// class iSoundFilter;
typedef Common::List<iSoundEnvironment *> tSoundEnvList;
typedef tSoundEnvList::iterator tSoundEnvListIt;
class iLowLevelSound {
public:
iLowLevelSound();
virtual ~iLowLevelSound();
/**
* Get the formats supported
* \param &alstFormats
*/
virtual void GetSupportedFormats(tStringList &alstFormats) = 0;
virtual iSoundData *LoadSoundData(const tString &asName, const tString &asFilePath,
const tString &asType, bool abStream, bool abLoopStream) = 0;
virtual void UpdateSound(float afTimeStep) = 0;
virtual void SetListenerAttributes(const cVector3f &avPos, const cVector3f &avVel,
const cVector3f &avForward, const cVector3f &avUp) = 0;
virtual void SetListenerPosition(const cVector3f &avPos) = 0;
const cMatrixf &GetListenerMatrix() { return m_mtxListener; }
virtual void SetListenerAttenuation(bool abEnabled) = 0;
virtual void SetSetRolloffFactor(float afFactor) = 0;
virtual void SetVolume(float afVolume) = 0;
cVector3f &GetListenerPosition() { return mvListenerPosition; }
cVector3f &GetListenerVelocity() { return mvListenerVelocity; }
cVector3f &GetListenerForward() { return mvListenerForward; }
cVector3f &GetListenerUp() { return mvListenerUp; }
bool GetListenerAttenuation() { return mbListenerAttenuation; }
float GetVolume() { return mfVolume; }
// virtual void LogSoundStatus() {}
virtual void Init(bool abUseHardware, bool abForceGeneric, bool abUseEnvAudio, int alMaxChannels,
int alStreamUpdateFreq, bool abUseThreading, bool abUseVoiceManagement,
int alMaxMonoSourceHint, int alMaxStereoSourceHint,
int alStreamingBufferSize, int alStreamingBufferCount, bool abEnableLowLevelLog, tString asDeviceName) = 0;
bool IsHardwareAccelerated() { return mbHardwareAcc; }
bool IsEnvAudioAvailable() { return mbEnvAudioEnabled; }
virtual void SetEnvVolume(float afVolume) = 0;
float GetEnvVolume() { return mfEnvVolume; }
virtual iSoundEnvironment *LoadSoundEnvironment(const tString &asFilePath) = 0;
virtual void SetSoundEnvironment(iSoundEnvironment *apSoundEnv) = 0;
virtual void FadeSoundEnvironment(iSoundEnvironment *apSourceSoundEnv, iSoundEnvironment *apDestSoundEnv, float afT) = 0;
iSoundEnvironment *GetSoundEnvironmentFromFileName(const tString &asName);
// void DestroySoundEnvironment( iSoundEnvironment* apSoundEnv);
protected:
float mfVolume;
float mfEnvVolume;
bool mbListenerAttenuation;
bool mbHardwareAcc;
bool mbEnvAudioEnabled;
cVector3f mvListenerUp;
cVector3f mvListenerForward;
cVector3f mvListenerRight;
cVector3f mvListenerPosition;
cVector3f mvListenerVelocity;
cMatrixf m_mtxListener;
tSoundEnvList mlstSoundEnv;
};
} // namespace hpl
#endif // HPL_LOWLEVELSOUND_H
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