- implemented panning
- implemented coning - many minor fixes
This commit is contained in:
Rok Mandeljc
Alexandre Julliard
parent
e658ee5503
commit
7da6e5c9a5
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@ -85,14 +85,14 @@ static inline D3DVALUE ScalarProduct (LPD3DVECTOR a, LPD3DVECTOR b)
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}
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/* vector product (i believe it's called cross product in english */
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static inline LPD3DVECTOR VectorProduct (LPD3DVECTOR a, LPD3DVECTOR b)
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static inline D3DVECTOR VectorProduct (LPD3DVECTOR a, LPD3DVECTOR b)
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{
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LPD3DVECTOR c;
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c->u1.x = (a->u2.y*b->u3.z) - (a->u3.z*b->u2.y);
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c->u2.y = (a->u3.z*b->u1.x) - (a->u1.x*b->u3.z);
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c->u3.z = (a->u1.x*b->u2.y) - (a->u2.y*b->u1.x);
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D3DVECTOR c;
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c.u1.x = (a->u2.y*b->u3.z) - (a->u3.z*b->u2.y);
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c.u2.y = (a->u3.z*b->u1.x) - (a->u1.x*b->u3.z);
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c.u3.z = (a->u1.x*b->u2.y) - (a->u2.y*b->u1.x);
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TRACE("(%f,%f,%f) x (%f,%f,%f) = (%f,%f,%f)\n", a->u1.x, a->u2.y, a->u3.z, b->u1.x, b->u2.y, \
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b->u3.z, c->u1.x, c->u2.y, c->u3.z);
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b->u3.z, c.u1.x, c.u2.y, c.u3.z);
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return c;
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}
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@ -106,36 +106,51 @@ static inline D3DVALUE VectorMagnitude (LPD3DVECTOR a)
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}
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/* conversion between radians and degrees */
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static inline DWORD RadToDeg (DWORD angle)
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static inline D3DVALUE RadToDeg (D3DVALUE angle)
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{
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DWORD newangle;
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D3DVALUE newangle;
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newangle = angle * (360/(2*M_PI));
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TRACE("%ld rad = %ld deg\n", angle, newangle);
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TRACE("%f rad = %f deg\n", angle, newangle);
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return newangle;
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}
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/* conversion between degrees and radians */
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static inline DWORD DegToRad (DWORD angle)
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static inline D3DVALUE DegToRad (D3DVALUE angle)
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{
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DWORD newangle;
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D3DVALUE newangle;
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newangle = angle * (2*M_PI/360);
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TRACE("%ld deg = %ld rad\n", angle, newangle);
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TRACE("%f deg = %f rad\n", angle, newangle);
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return newangle;
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}
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/* angle between vectors */
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static inline DWORD AngleBetweenVectorsDeg (LPD3DVECTOR a, LPD3DVECTOR b)
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/* angle between vectors - deg version */
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static inline D3DVALUE AngleBetweenVectorsDeg (LPD3DVECTOR a, LPD3DVECTOR b)
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{
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DWORD angle, cos;
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D3DVALUE la, lb, product;
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D3DVALUE la, lb, product, angle, cos;
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/* definition of scalar product: a*b = |a|*|b|*cos...therefore: */
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product = ScalarProduct (a,b);
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la = VectorMagnitude (a);
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lb = VectorMagnitude (b);
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cos = product/(la*lb);
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angle = acos(cos);
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/* we now have angle in radians */
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angle = RadToDeg(cos);
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TRACE("angle between (%f,%f,%f) and (%f,%f,%f) = %ld degrees\n", a->u1.x, a->u2.y, a->u3.z, b->u1.x, \
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angle = RadToDeg(angle);
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TRACE("angle between (%f,%f,%f) and (%f,%f,%f) = %f degrees\n", a->u1.x, a->u2.y, a->u3.z, b->u1.x, \
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b->u2.y, b->u3.z, angle);
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return angle;
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}
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/* angle between vectors - rad version */
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static inline D3DVALUE AngleBetweenVectorsRad (LPD3DVECTOR a, LPD3DVECTOR b)
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{
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D3DVALUE la, lb, product, angle, cos;
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/* definition of scalar product: a*b = |a|*|b|*cos...therefore: */
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product = ScalarProduct (a,b);
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la = VectorMagnitude (a);
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lb = VectorMagnitude (b);
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cos = product/(la*lb);
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angle = acos(cos);
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TRACE("angle between (%f,%f,%f) and (%f,%f,%f) = %f radians\n", a->u1.x, a->u2.y, a->u3.z, b->u1.x, \
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b->u2.y, b->u3.z, angle);
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return angle;
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}
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@ -161,28 +176,29 @@ static void WINAPI DSOUND_Mix3DBuffer(IDirectSound3DBufferImpl *ds3db)
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IDirectSound3DListenerImpl *dsl;
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/* volume, at which the sound will be played after all calcs. */
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LONG lVolume = 0;
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D3DVALUE lVolume = 0;
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/* intensity (used for distance related stuff) */
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double flIntensity;
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double flTemp;
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/* stuff for distance related stuff calc. */
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D3DVECTOR vDistance;
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D3DVALUE flDistance;
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D3DVALUE flDistance = 0;
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/* panning related stuff */
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D3DVALUE flAngle;
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D3DVECTOR vLeft;
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if (ds3db->dsb->dsound->listener == NULL)
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return;
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dsl = ds3db->dsb->dsound->listener;
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/* FIXME: i guess initial volume should be that, but if it's set, sounds get too quiet.
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It makes sense, though: at min. distance we hear sound with practically no
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attuneation. If someone has idea, please do it.*/
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/* lVolume = ds3db->lVolume; */
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/* initial buffer volume */
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lVolume = ds3db->lVolume;
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switch (ds3db->ds3db.dwMode)
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{
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case DS3DMODE_DISABLE:
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TRACE("3D processing disabled\n");
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/* this one is here only to eliminate annoying warning message */
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DSOUND_RecalcVolPan (&ds3db->dsb->volpan);
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DSOUND_ForceRemix (ds3db->dsb);
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break;
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@ -196,7 +212,7 @@ static void WINAPI DSOUND_Mix3DBuffer(IDirectSound3DBufferImpl *ds3db)
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TRACE("Head-relative 3D processing mode\n");
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/* distance between buffer and listener is same as buffer's position */
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flDistance = VectorMagnitude (&ds3db->ds3db.vPosition);
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break;
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break;
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}
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if (flDistance > ds3db->ds3db.flMaxDistance)
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@ -213,22 +229,62 @@ static void WINAPI DSOUND_Mix3DBuffer(IDirectSound3DBufferImpl *ds3db)
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flDistance = ds3db->ds3db.flMaxDistance;
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}
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if (flDistance < ds3db->ds3db.flMinDistance)
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flDistance = ds3db->ds3db.flMinDistance;
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flDistance = ds3db->ds3db.flMinDistance;
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/* the following formula is taken from my physics book. I think it's ok for the *real* world...i hope m$ does it that way */
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lVolume += 10000; /* ms likes working with negative volume...i don't */
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lVolume /= 1000; /* convert hundreths of dB into B */
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/* intensity level (loudness) = log10(Intensity/DefaultIntensity)...therefore */
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flIntensity = pow(10,lVolume)/DEFAULT_INTENSITY;
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flIntensity = pow(10,lVolume)*DEFAULT_INTENSITY;
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flTemp = (flDistance/ds3db->ds3db.flMinDistance)*(flDistance/ds3db->ds3db.flMinDistance);
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flIntensity /= flTemp;
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lVolume = log10(flIntensity*DEFAULT_INTENSITY);
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lVolume = log10(flIntensity/DEFAULT_INTENSITY);
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lVolume *= 1000; /* convert back to hundreths of dB */
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lVolume -= 10000; /* we need to do it in ms way */
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TRACE("dist. att: Distance = %f, MinDistance = %f => adjusting volume %ld to %ld\n", flDistance, ds3db->ds3db.flMinDistance, ds3db->lVolume, lVolume);
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/* add correct conning here */
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TRACE("dist. att: Distance = %f, MinDistance = %f => adjusting volume %ld to %f\n", flDistance, ds3db->ds3db.flMinDistance, ds3db->lVolume, lVolume);
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/* conning */
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/* sometimes it happens that vConeOrientation vector = (0,0,0); in this case angle is "nan" and it's useless*/
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if (ds3db->ds3db.vConeOrientation.u1.x == 0 && ds3db->ds3db.vConeOrientation.u2.y == 0 && ds3db->ds3db.vConeOrientation.u3.z == 0)
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{
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TRACE("conning: cones not set\n");
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}
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else
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{
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/* calculate angle */
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flAngle = AngleBetweenVectorsDeg(&ds3db->ds3db.vConeOrientation, &vDistance);
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/* if by any chance it happens that OutsideConeAngle = InsideConeAngle (that means that conning has no effect) */
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if (ds3db->ds3db.dwInsideConeAngle != ds3db->ds3db.dwOutsideConeAngle)
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{
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/* my test show that for my way of calc., we need only half of angles */
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DWORD dwInsideConeAngle = ds3db->ds3db.dwInsideConeAngle/2;
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DWORD dwOutsideConeAngle = ds3db->ds3db.dwOutsideConeAngle/2;
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/* full volume */
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if (flAngle < dwInsideConeAngle)
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flAngle = dwInsideConeAngle;
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/* min (app defined) volume */
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if (flAngle > dwOutsideConeAngle)
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flAngle = dwOutsideConeAngle;
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/* this probably isn't the right thing, but it's ok for the time being */
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lVolume += ((ds3db->ds3db.lConeOutsideVolume)/((dwOutsideConeAngle) - (dwInsideConeAngle))) * flAngle;
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}
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TRACE("conning: Angle = %f deg; InsideConeAngle(/2) = %ld deg; OutsideConeAngle(/2) = %ld deg; ConeOutsideVolume = %ld => adjusting volume to %f\n",
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flAngle, ds3db->ds3db.dwInsideConeAngle/2, ds3db->ds3db.dwOutsideConeAngle/2, ds3db->ds3db.lConeOutsideVolume, lVolume);
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}
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/* panning */
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vDistance = VectorBetweenTwoPoints(&dsl->ds3dl.vPosition, &ds3db->ds3db.vPosition);
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vLeft = VectorProduct(&dsl->ds3dl.vOrientFront, &dsl->ds3dl.vOrientTop);
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flAngle = AngleBetweenVectorsRad(&vLeft, &vDistance);
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/* for now, we'll use "linear formula" (which is probably incorrect); if someone has it in book, correct it */
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ds3db->dsb->volpan.lPan = 10000*2*flAngle/M_PI - 10000;
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TRACE("panning: Angle = %f rad, lPan = %ld\n", flAngle, ds3db->dsb->volpan.lPan);
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/* doppler shift*/
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/* at last, we got the desired volume */
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ds3db->dsb->volpan.lVolume = lVolume;
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ds3db->dsb->dsound->volpan.lVolume = lVolume;
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DSOUND_RecalcVolPan (&ds3db->dsb->volpan);
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DSOUND_ForceRemix (ds3db->dsb);
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}
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