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Location: alysbrooks-public/games/isometric-park-fna/FNA/lib/FAudio/src/FACT3D.c - annotation

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Commit Description:
Various UI improvements.
Commit Description:
Various UI improvements.
References:
r291:6a7d5e8510b1 default
File last commit:
r0:e33f209de7e5 default
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FNA/lib/FAudio/src/FACT3D.c
172 lines | 3.9 KiB | text/x-c | CLexer
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alys
Early working version (including all dependencies, lol).
 r0 /* FAudio - XAudio Reimplementation for FNA
*
* Copyright (c) 2011-2020 Ethan Lee, Luigi Auriemma, and the MonoGame Team
*
* This software is provided 'as-is', without any express or implied warranty.
* In no event will the authors be held liable for any damages arising from
* the use of this software.
*
* Permission is granted to anyone to use this software for any purpose,
* including commercial applications, and to alter it and redistribute it
* freely, subject to the following restrictions:
*
* 1. The origin of this software must not be misrepresented; you must not
* claim that you wrote the original software. If you use this software in a
* product, an acknowledgment in the product documentation would be
* appreciated but is not required.
*
* 2. Altered source versions must be plainly marked as such, and must not be
* misrepresented as being the original software.
*
* 3. This notice may not be removed or altered from any source distribution.
*
* Ethan "flibitijibibo" Lee <flibitijibibo@flibitijibibo.com>
*
*/
#include "FACT3D.h"
uint32_t FACT3DInitialize(
FACTAudioEngine *pEngine,
F3DAUDIO_HANDLE F3DInstance
) {
float nSpeedOfSound;
FAudioWaveFormatExtensible wfxFinalMixFormat;
if (pEngine == NULL)
{
return 0;
}
FACTAudioEngine_GetGlobalVariable(
pEngine,
FACTAudioEngine_GetGlobalVariableIndex(
pEngine,
"SpeedOfSound"
),
&nSpeedOfSound
);
FACTAudioEngine_GetFinalMixFormat(
pEngine,
&wfxFinalMixFormat
);
F3DAudioInitialize(
wfxFinalMixFormat.dwChannelMask,
nSpeedOfSound,
F3DInstance
);
return 0;
}
uint32_t FACT3DCalculate(
F3DAUDIO_HANDLE F3DInstance,
const F3DAUDIO_LISTENER *pListener,
F3DAUDIO_EMITTER *pEmitter,
F3DAUDIO_DSP_SETTINGS *pDSPSettings
) {
static F3DAUDIO_DISTANCE_CURVE_POINT DefaultCurvePoints[2] =
{
{ 0.0f, 1.0f },
{ 1.0f, 1.0f }
};
static F3DAUDIO_DISTANCE_CURVE DefaultCurve =
{
(F3DAUDIO_DISTANCE_CURVE_POINT*) &DefaultCurvePoints[0], 2
};
if (pListener == NULL || pEmitter == NULL || pDSPSettings == NULL)
{
return 0;
}
if (pEmitter->ChannelCount > 1 && pEmitter->pChannelAzimuths == NULL)
{
pEmitter->ChannelRadius = 1.0f;
if (pEmitter->ChannelCount == 2)
{
pEmitter->pChannelAzimuths = (float*) &aStereoLayout[0];
}
else if (pEmitter->ChannelCount == 3)
{
pEmitter->pChannelAzimuths = (float*) &a2Point1Layout[0];
}
else if (pEmitter->ChannelCount == 4)
{
pEmitter->pChannelAzimuths = (float*) &aQuadLayout[0];
}
else if (pEmitter->ChannelCount == 5)
{
pEmitter->pChannelAzimuths = (float*) &a4Point1Layout[0];
}
else if (pEmitter->ChannelCount == 6)
{
pEmitter->pChannelAzimuths = (float*) &a5Point1Layout[0];
}
else if (pEmitter->ChannelCount == 8)
{
pEmitter->pChannelAzimuths = (float*) &a7Point1Layout[0];
}
else
{
return 0;
}
}
if (pEmitter->pVolumeCurve == NULL)
{
pEmitter->pVolumeCurve = &DefaultCurve;
}
if (pEmitter->pLFECurve == NULL)
{
pEmitter->pLFECurve = &DefaultCurve;
}
F3DAudioCalculate(
F3DInstance,
pListener,
pEmitter,
(
F3DAUDIO_CALCULATE_MATRIX |
F3DAUDIO_CALCULATE_DOPPLER |
F3DAUDIO_CALCULATE_EMITTER_ANGLE
),
pDSPSettings
);
return 0;
}
uint32_t FACT3DApply(
F3DAUDIO_DSP_SETTINGS *pDSPSettings,
FACTCue *pCue
) {
if (pDSPSettings == NULL || pCue == NULL)
{
return 0;
}
FACTCue_SetMatrixCoefficients(
pCue,
pDSPSettings->SrcChannelCount,
pDSPSettings->DstChannelCount,
pDSPSettings->pMatrixCoefficients
);
FACTCue_SetVariable(
pCue,
FACTCue_GetVariableIndex(pCue, "Distance"),
pDSPSettings->EmitterToListenerDistance
);
FACTCue_SetVariable(
pCue,
FACTCue_GetVariableIndex(pCue, "DopplerPitchScalar"),
pDSPSettings->DopplerFactor
);
FACTCue_SetVariable(
pCue,
FACTCue_GetVariableIndex(pCue, "OrientationAngle"),
pDSPSettings->EmitterToListenerAngle * (180.0f / F3DAUDIO_PI)
);
return 0;
}
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