514 lines
13 KiB
C
514 lines
13 KiB
C
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/**
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* OpenAL cross platform audio library
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* Copyright (C) 1999-2000 by authors.
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library 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 GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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* Or go to http://www.gnu.org/copyleft/lgpl.html
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*/
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#include "alMain.h"
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#include "AL/alc.h"
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#include "alError.h"
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#include "alListener.h"
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ALAPI ALvoid ALAPIENTRY alListenerf(ALenum eParam, ALfloat flValue)
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{
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ALCcontext *pContext;
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pContext = alcGetCurrentContext();
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if (pContext)
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{
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SuspendContext(pContext);
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switch (eParam)
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{
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case AL_GAIN:
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if (flValue >= 0.0f)
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pContext->Listener.Gain = flValue;
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else
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alSetError(AL_INVALID_VALUE);
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break;
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default:
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alSetError(AL_INVALID_ENUM);
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break;
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}
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ProcessContext(pContext);
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}
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else
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alSetError(AL_INVALID_OPERATION);
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return;
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}
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ALAPI ALvoid ALAPIENTRY alListener3f(ALenum eParam, ALfloat flValue1, ALfloat flValue2, ALfloat flValue3)
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{
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ALCcontext *pContext;
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pContext = alcGetCurrentContext();
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if (pContext)
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{
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SuspendContext(pContext);
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switch(eParam)
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{
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case AL_POSITION:
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pContext->Listener.Position[0] = flValue1;
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pContext->Listener.Position[1] = flValue2;
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pContext->Listener.Position[2] = flValue3;
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break;
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case AL_VELOCITY:
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pContext->Listener.Velocity[0] = flValue1;
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pContext->Listener.Velocity[1] = flValue2;
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pContext->Listener.Velocity[2] = flValue3;
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break;
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default:
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alSetError(AL_INVALID_ENUM);
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break;
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}
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ProcessContext(pContext);
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}
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else
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alSetError(AL_INVALID_OPERATION);
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return;
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}
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ALAPI ALvoid ALAPIENTRY alListenerfv(ALenum eParam, const ALfloat *pflValues)
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{
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ALCcontext *pContext;
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pContext = alcGetCurrentContext();
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if (pContext)
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{
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SuspendContext(pContext);
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if (pflValues)
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{
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switch (eParam)
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{
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case AL_GAIN:
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if (pflValues[0] >= 0.0f)
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pContext->Listener.Gain = pflValues[0];
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else
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alSetError(AL_INVALID_VALUE);
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break;
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case AL_POSITION:
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pContext->Listener.Position[0] = pflValues[0];
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pContext->Listener.Position[1] = pflValues[1];
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pContext->Listener.Position[2] = pflValues[2];
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break;
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case AL_VELOCITY:
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pContext->Listener.Velocity[0] = pflValues[0];
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pContext->Listener.Velocity[1] = pflValues[1];
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pContext->Listener.Velocity[2] = pflValues[2];
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break;
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case AL_ORIENTATION:
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// AT then UP
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pContext->Listener.Forward[0] = pflValues[0];
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pContext->Listener.Forward[1] = pflValues[1];
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pContext->Listener.Forward[2] = pflValues[2];
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pContext->Listener.Up[0] = pflValues[3];
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pContext->Listener.Up[1] = pflValues[4];
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pContext->Listener.Up[2] = pflValues[5];
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break;
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default:
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alSetError(AL_INVALID_ENUM);
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break;
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}
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}
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else
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alSetError(AL_INVALID_VALUE);
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ProcessContext(pContext);
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}
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else
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alSetError(AL_INVALID_OPERATION);
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return;
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}
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ALAPI ALvoid ALAPIENTRY alListeneri(ALenum eParam, ALint lValue)
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{
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ALCcontext *pContext;
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(void)lValue;
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pContext = alcGetCurrentContext();
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if (pContext)
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{
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SuspendContext(pContext);
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switch (eParam)
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{
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default:
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alSetError(AL_INVALID_ENUM);
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break;
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}
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ProcessContext(pContext);
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}
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else
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alSetError(AL_INVALID_OPERATION);
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return;
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}
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ALAPI void ALAPIENTRY alListener3i(ALenum eParam, ALint lValue1, ALint lValue2, ALint lValue3)
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{
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ALCcontext *pContext;
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pContext = alcGetCurrentContext();
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if (pContext)
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{
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SuspendContext(pContext);
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switch(eParam)
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{
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case AL_POSITION:
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case AL_VELOCITY:
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alListener3f(eParam, (ALfloat)lValue1, (ALfloat)lValue2, (ALfloat)lValue3);
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break;
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default:
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alSetError(AL_INVALID_ENUM);
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break;
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}
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ProcessContext(pContext);
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}
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else
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alSetError(AL_INVALID_OPERATION);
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return;
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}
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ALAPI void ALAPIENTRY alListeneriv( ALenum eParam, const ALint* plValues )
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{
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ALCcontext *pContext;
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ALfloat flValues[6];
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pContext = alcGetCurrentContext();
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if (pContext)
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{
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SuspendContext(pContext);
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if (plValues)
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{
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switch (eParam)
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{
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case AL_POSITION:
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case AL_VELOCITY:
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flValues[0] = (ALfloat)plValues[0];
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flValues[1] = (ALfloat)plValues[1];
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flValues[2] = (ALfloat)plValues[2];
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alListenerfv(eParam, flValues);
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break;
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case AL_ORIENTATION:
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flValues[0] = (ALfloat)plValues[0];
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flValues[1] = (ALfloat)plValues[1];
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flValues[2] = (ALfloat)plValues[2];
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flValues[3] = (ALfloat)plValues[3];
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flValues[4] = (ALfloat)plValues[4];
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flValues[5] = (ALfloat)plValues[5];
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alListenerfv(eParam, flValues);
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break;
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default:
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alSetError(AL_INVALID_ENUM);
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break;
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}
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}
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else
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alSetError(AL_INVALID_VALUE);
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ProcessContext(pContext);
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}
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else
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alSetError(AL_INVALID_OPERATION);
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return;
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}
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ALAPI ALvoid ALAPIENTRY alGetListenerf(ALenum eParam, ALfloat *pflValue)
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{
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ALCcontext *pContext;
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pContext = alcGetCurrentContext();
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if (pContext)
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{
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SuspendContext(pContext);
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if (pflValue)
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{
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switch (eParam)
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{
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case AL_GAIN:
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*pflValue = pContext->Listener.Gain;
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break;
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default:
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alSetError(AL_INVALID_ENUM);
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break;
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}
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}
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else
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alSetError(AL_INVALID_VALUE);
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ProcessContext(pContext);
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}
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else
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alSetError(AL_INVALID_OPERATION);
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return;
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}
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ALAPI ALvoid ALAPIENTRY alGetListener3f(ALenum eParam, ALfloat *pflValue1, ALfloat *pflValue2, ALfloat *pflValue3)
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{
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ALCcontext *pContext;
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pContext = alcGetCurrentContext();
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if (pContext)
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{
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SuspendContext(pContext);
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if ((pflValue1) && (pflValue2) && (pflValue3))
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{
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switch (eParam)
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{
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case AL_POSITION:
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*pflValue1 = pContext->Listener.Position[0];
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*pflValue2 = pContext->Listener.Position[1];
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*pflValue3 = pContext->Listener.Position[2];
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break;
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case AL_VELOCITY:
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*pflValue1 = pContext->Listener.Velocity[0];
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*pflValue2 = pContext->Listener.Velocity[1];
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*pflValue3 = pContext->Listener.Velocity[2];
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break;
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default:
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alSetError(AL_INVALID_ENUM);
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break;
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}
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}
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else
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alSetError(AL_INVALID_VALUE);
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ProcessContext(pContext);
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}
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else
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alSetError(AL_INVALID_OPERATION);
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return;
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}
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ALAPI ALvoid ALAPIENTRY alGetListenerfv(ALenum eParam, ALfloat *pflValues)
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{
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ALCcontext *pContext;
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pContext = alcGetCurrentContext();
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if (pContext)
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{
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SuspendContext(pContext);
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if (pflValues)
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{
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switch (eParam)
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{
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case AL_GAIN:
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pflValues[0] = pContext->Listener.Gain;
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break;
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case AL_POSITION:
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pflValues[0] = pContext->Listener.Position[0];
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pflValues[1] = pContext->Listener.Position[1];
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pflValues[2] = pContext->Listener.Position[2];
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break;
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case AL_VELOCITY:
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pflValues[0] = pContext->Listener.Velocity[0];
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pflValues[1] = pContext->Listener.Velocity[1];
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pflValues[2] = pContext->Listener.Velocity[2];
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break;
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case AL_ORIENTATION:
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// AT then UP
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pflValues[0] = pContext->Listener.Forward[0];
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pflValues[1] = pContext->Listener.Forward[1];
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pflValues[2] = pContext->Listener.Forward[2];
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pflValues[3] = pContext->Listener.Up[0];
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pflValues[4] = pContext->Listener.Up[1];
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pflValues[5] = pContext->Listener.Up[2];
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break;
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default:
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alSetError(AL_INVALID_ENUM);
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break;
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}
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}
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else
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alSetError(AL_INVALID_VALUE);
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ProcessContext(pContext);
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}
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else
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alSetError(AL_INVALID_OPERATION);
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return;
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}
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ALAPI ALvoid ALAPIENTRY alGetListeneri(ALenum eParam, ALint *plValue)
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{
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ALCcontext *pContext;
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pContext = alcGetCurrentContext();
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if (pContext)
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{
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SuspendContext(pContext);
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if (plValue)
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{
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switch (eParam)
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{
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default:
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alSetError(AL_INVALID_ENUM);
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break;
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}
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}
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else
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alSetError(AL_INVALID_VALUE);
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ProcessContext(pContext);
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}
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else
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alSetError(AL_INVALID_OPERATION);
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return;
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}
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ALAPI void ALAPIENTRY alGetListener3i(ALenum eParam, ALint *plValue1, ALint *plValue2, ALint *plValue3)
|
||
|
|
{
|
||
|
|
ALCcontext *pContext;
|
||
|
|
|
||
|
|
pContext = alcGetCurrentContext();
|
||
|
|
if (pContext)
|
||
|
|
{
|
||
|
|
SuspendContext(pContext);
|
||
|
|
|
||
|
|
if ((plValue1) && (plValue2) && (plValue3))
|
||
|
|
{
|
||
|
|
switch (eParam)
|
||
|
|
{
|
||
|
|
case AL_POSITION:
|
||
|
|
*plValue1 = (ALint)pContext->Listener.Position[0];
|
||
|
|
*plValue2 = (ALint)pContext->Listener.Position[1];
|
||
|
|
*plValue3 = (ALint)pContext->Listener.Position[2];
|
||
|
|
break;
|
||
|
|
|
||
|
|
case AL_VELOCITY:
|
||
|
|
*plValue1 = (ALint)pContext->Listener.Velocity[0];
|
||
|
|
*plValue2 = (ALint)pContext->Listener.Velocity[1];
|
||
|
|
*plValue3 = (ALint)pContext->Listener.Velocity[2];
|
||
|
|
break;
|
||
|
|
|
||
|
|
default:
|
||
|
|
alSetError(AL_INVALID_ENUM);
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else
|
||
|
|
alSetError(AL_INVALID_VALUE);
|
||
|
|
|
||
|
|
ProcessContext(pContext);
|
||
|
|
}
|
||
|
|
else
|
||
|
|
alSetError(AL_INVALID_OPERATION);
|
||
|
|
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
ALAPI void ALAPIENTRY alGetListeneriv(ALenum eParam, ALint* plValues)
|
||
|
|
{
|
||
|
|
ALCcontext *pContext;
|
||
|
|
|
||
|
|
pContext = alcGetCurrentContext();
|
||
|
|
if (pContext)
|
||
|
|
{
|
||
|
|
SuspendContext(pContext);
|
||
|
|
|
||
|
|
if (plValues)
|
||
|
|
{
|
||
|
|
switch (eParam)
|
||
|
|
{
|
||
|
|
case AL_POSITION:
|
||
|
|
plValues[0] = (ALint)pContext->Listener.Position[0];
|
||
|
|
plValues[1] = (ALint)pContext->Listener.Position[1];
|
||
|
|
plValues[2] = (ALint)pContext->Listener.Position[2];
|
||
|
|
break;
|
||
|
|
|
||
|
|
case AL_VELOCITY:
|
||
|
|
plValues[0] = (ALint)pContext->Listener.Velocity[0];
|
||
|
|
plValues[1] = (ALint)pContext->Listener.Velocity[1];
|
||
|
|
plValues[2] = (ALint)pContext->Listener.Velocity[2];
|
||
|
|
break;
|
||
|
|
|
||
|
|
case AL_ORIENTATION:
|
||
|
|
// AT then UP
|
||
|
|
plValues[0] = (ALint)pContext->Listener.Forward[0];
|
||
|
|
plValues[1] = (ALint)pContext->Listener.Forward[1];
|
||
|
|
plValues[2] = (ALint)pContext->Listener.Forward[2];
|
||
|
|
plValues[3] = (ALint)pContext->Listener.Up[0];
|
||
|
|
plValues[4] = (ALint)pContext->Listener.Up[1];
|
||
|
|
plValues[5] = (ALint)pContext->Listener.Up[2];
|
||
|
|
break;
|
||
|
|
|
||
|
|
default:
|
||
|
|
alSetError(AL_INVALID_ENUM);
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else
|
||
|
|
alSetError(AL_INVALID_VALUE);
|
||
|
|
|
||
|
|
ProcessContext(pContext);
|
||
|
|
}
|
||
|
|
else
|
||
|
|
alSetError(AL_INVALID_OPERATION);
|
||
|
|
|
||
|
|
return;
|
||
|
|
}
|