mirror of
https://port.numenaute.org/aleajactaest/khanat-opennel-code.git
synced 2024-11-15 20:23:47 +00:00
364 lines
11 KiB
C++
364 lines
11 KiB
C++
|
// NeL - MMORPG Framework <http://dev.ryzom.com/projects/nel/>
|
||
|
|
// Copyright (C) 2010 Winch Gate Property Limited
|
||
|
|
//
|
||
|
|
// This program is free software: you can redistribute it and/or modify
|
||
|
|
// it under the terms of the GNU Affero 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 Affero General Public License for more details.
|
||
|
|
//
|
||
|
|
// You should have received a copy of the GNU Affero General Public License
|
||
|
|
// along with this program. If not, see <http://www.gnu.org/licenses/>.
|
||
|
|
|
||
|
|
#include "std3d.h"
|
||
|
|
|
||
|
|
|
||
|
|
#include "nel/3d/ps_plane_basis_maker.h"
|
||
|
|
#include "nel/3d/ps_register_plane_basis_attribs.h"
|
||
|
|
|
||
|
|
namespace NL3D
|
||
|
|
{
|
||
|
|
|
||
|
|
|
||
|
|
CPlaneBasis CPSPlaneBasisGradient::DefaultPlaneBasisTab[] = { CPlaneBasis(NLMISC::CVector::I), CPlaneBasis(NLMISC::CVector::J) };
|
||
|
|
|
||
|
|
/////////////////////////////////////////////
|
||
|
|
// CPSPlaneBasisFollowSpeed implementation //
|
||
|
|
/////////////////////////////////////////////
|
||
|
|
|
||
|
|
///============================================================================
|
||
|
|
CPlaneBasis CPSPlaneBasisFollowSpeed::get(CPSLocated *loc, uint32 index)
|
||
|
|
{
|
||
|
|
return (CPlaneBasis(loc->getSpeed()[index]));
|
||
|
|
}
|
||
|
|
CPlaneBasis CPSPlaneBasisFollowSpeed::get(const CPSEmitterInfo &infos)
|
||
|
|
{
|
||
|
|
return (CPlaneBasis(infos.Speed));
|
||
|
|
}
|
||
|
|
|
||
|
|
///============================================================================
|
||
|
|
void *CPSPlaneBasisFollowSpeed::make(CPSLocated *loc,
|
||
|
|
uint32 startIndex,
|
||
|
|
void *tab, uint32 stride,
|
||
|
|
uint32 numAttrib,
|
||
|
|
bool enableNoCopy /* = false*/,
|
||
|
|
uint32 srcStep /*= (1 << 16)*/,
|
||
|
|
bool forceClampEntry /* = false */
|
||
|
|
) const
|
||
|
|
{
|
||
|
|
nlassert(numAttrib);
|
||
|
|
if (srcStep == (1 << 16))
|
||
|
|
{
|
||
|
|
TPSAttribVector::const_iterator speedIt = loc->getSpeed().begin() + startIndex
|
||
|
|
, endSpeedIt = loc->getSpeed().begin() + startIndex + numAttrib;
|
||
|
|
uint8 *ptDat = (uint8 *) tab;
|
||
|
|
switch(_ProjectionPlane)
|
||
|
|
{
|
||
|
|
case NoProjection:
|
||
|
|
do
|
||
|
|
{
|
||
|
|
*(CPlaneBasis *) ptDat = CPlaneBasis(*speedIt);
|
||
|
|
++ speedIt;
|
||
|
|
ptDat += stride;
|
||
|
|
}
|
||
|
|
while (speedIt != endSpeedIt);
|
||
|
|
break;
|
||
|
|
case XY:
|
||
|
|
do
|
||
|
|
{
|
||
|
|
float norm = sqrtf(speedIt->x * speedIt->x + speedIt->y * speedIt->y);
|
||
|
|
float invNorm = (norm != 0.f) ? 1.f / norm : 0.f;
|
||
|
|
CPlaneBasis &pb = *(CPlaneBasis *) ptDat;
|
||
|
|
pb.X.set(invNorm * speedIt->x, invNorm * speedIt->y, 0.f);
|
||
|
|
pb.Y.set(- pb.X.y, pb.X.x, 0.f);
|
||
|
|
++ speedIt;
|
||
|
|
ptDat += stride;
|
||
|
|
}
|
||
|
|
while (speedIt != endSpeedIt);
|
||
|
|
break;
|
||
|
|
case XZ:
|
||
|
|
do
|
||
|
|
{
|
||
|
|
float norm = sqrtf(speedIt->x * speedIt->x + speedIt->z * speedIt->z);
|
||
|
|
float invNorm = (norm != 0.f) ? 1.f / norm : 0.f;
|
||
|
|
CPlaneBasis &pb = *(CPlaneBasis *) ptDat;
|
||
|
|
pb.X.set(invNorm * speedIt->x, 0.f, invNorm * speedIt->z);
|
||
|
|
pb.Y.set(- pb.X.z, 0.f, pb.X.x);
|
||
|
|
++ speedIt;
|
||
|
|
ptDat += stride;
|
||
|
|
}
|
||
|
|
while (speedIt != endSpeedIt);
|
||
|
|
break;
|
||
|
|
case YZ:
|
||
|
|
do
|
||
|
|
{
|
||
|
|
float norm = sqrtf(speedIt->y * speedIt->y + speedIt->z * speedIt->z);
|
||
|
|
float invNorm = (norm != 0.f) ? 1.f / norm : 0.f;
|
||
|
|
CPlaneBasis &pb = *(CPlaneBasis *) ptDat;
|
||
|
|
pb.X.set(0.f, invNorm * speedIt->y, invNorm * speedIt->z);
|
||
|
|
pb.Y.set(0.f, - pb.X.z, pb.X.y);
|
||
|
|
++ speedIt;
|
||
|
|
ptDat += stride;
|
||
|
|
}
|
||
|
|
while (speedIt != endSpeedIt);
|
||
|
|
break;
|
||
|
|
default:
|
||
|
|
nlstop; // unknow projection mode
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
return tab;
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
uint32 fpIndex = startIndex * srcStep;
|
||
|
|
const TPSAttribVector::const_iterator speedIt = loc->getSpeed().begin();
|
||
|
|
uint8 *ptDat = (uint8 *) tab;
|
||
|
|
switch(_ProjectionPlane)
|
||
|
|
{
|
||
|
|
case NoProjection:
|
||
|
|
while (numAttrib --)
|
||
|
|
{
|
||
|
|
*(CPlaneBasis *) ptDat = CPlaneBasis(*(speedIt + (fpIndex >> 16)));
|
||
|
|
ptDat += stride;
|
||
|
|
fpIndex += srcStep;
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
case XY:
|
||
|
|
while (numAttrib --)
|
||
|
|
{
|
||
|
|
const CVector *speedVect = &(*(speedIt + (fpIndex >> 16)));
|
||
|
|
float norm = sqrtf(speedVect->x * speedVect->x + speedVect->y * speedVect->y);
|
||
|
|
float invNorm = (norm != 0.f) ? 1.f / norm : 0.f;
|
||
|
|
CPlaneBasis &pb = *(CPlaneBasis *) ptDat;
|
||
|
|
pb.X.set(invNorm * speedVect->x, invNorm * speedVect->y, 0.f);
|
||
|
|
pb.Y.set(- pb.X.y, pb.X.x, 0.f);
|
||
|
|
ptDat += stride;
|
||
|
|
fpIndex += srcStep;
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
case XZ:
|
||
|
|
while (numAttrib --)
|
||
|
|
{
|
||
|
|
const CVector *speedVect = &(*(speedIt + (fpIndex >> 16)));
|
||
|
|
float norm = sqrtf(speedVect->x * speedVect->x + speedVect->z * speedVect->z);
|
||
|
|
float invNorm = (norm != 0.f) ? 1.f / norm : 0.f;
|
||
|
|
CPlaneBasis &pb = *(CPlaneBasis *) ptDat;
|
||
|
|
pb.X.set(invNorm * speedVect->x, 0.f, invNorm * speedVect->z);
|
||
|
|
pb.Y.set(- pb.X.z, 0.f, pb.X.x);
|
||
|
|
ptDat += stride;
|
||
|
|
fpIndex += srcStep;
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
case YZ:
|
||
|
|
while (numAttrib --)
|
||
|
|
{
|
||
|
|
const CVector *speedVect = &(*(speedIt + (fpIndex >> 16)));
|
||
|
|
float norm = sqrtf(speedVect->y * speedVect->y + speedVect->z * speedVect->z);
|
||
|
|
float invNorm = (norm != 0.f) ? 1.f / norm : 0.f;
|
||
|
|
CPlaneBasis &pb = *(CPlaneBasis *) ptDat;
|
||
|
|
pb.X.set(0.f, invNorm * speedVect->y, invNorm * speedVect->z);
|
||
|
|
pb.Y.set(0.f, - pb.X.z, pb.X.y);
|
||
|
|
ptDat += stride;
|
||
|
|
fpIndex += srcStep;
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
default:
|
||
|
|
nlstop; // unknow projection mode
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
return tab;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
///============================================================================
|
||
|
|
void CPSPlaneBasisFollowSpeed::make4(CPSLocated *loc,
|
||
|
|
uint32 startIndex,
|
||
|
|
void *tab,
|
||
|
|
uint32 stride,
|
||
|
|
uint32 numAttrib,
|
||
|
|
uint32 srcStep /*= (1 << 16)*/
|
||
|
|
) const
|
||
|
|
{
|
||
|
|
nlassert(numAttrib);
|
||
|
|
if (srcStep == (1 << 16))
|
||
|
|
{
|
||
|
|
TPSAttribVector::const_iterator speedIt = loc->getSpeed().begin() + startIndex
|
||
|
|
, endSpeedIt = loc->getSpeed().begin() + startIndex + numAttrib;
|
||
|
|
uint8 *ptDat = (uint8 *) tab;
|
||
|
|
do
|
||
|
|
{
|
||
|
|
*(CPlaneBasis *) ptDat = CPlaneBasis(*speedIt);
|
||
|
|
*(CPlaneBasis *) (ptDat + stride) = *(CPlaneBasis *) ptDat;
|
||
|
|
ptDat += stride;
|
||
|
|
*(CPlaneBasis *) (ptDat + stride) = *(CPlaneBasis *) ptDat;
|
||
|
|
ptDat += stride;
|
||
|
|
*(CPlaneBasis *) (ptDat + stride) = *(CPlaneBasis *) ptDat;
|
||
|
|
ptDat += stride << 1;
|
||
|
|
++ speedIt;
|
||
|
|
}
|
||
|
|
while (speedIt != endSpeedIt);
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
uint32 fpIndex = startIndex * srcStep;
|
||
|
|
const TPSAttribVector::const_iterator speedIt = loc->getSpeed().begin();
|
||
|
|
uint8 *ptDat = (uint8 *) tab;
|
||
|
|
while (numAttrib --)
|
||
|
|
{
|
||
|
|
*(CPlaneBasis *) ptDat = CPlaneBasis(*(speedIt + (fpIndex >> 16)));
|
||
|
|
*(CPlaneBasis *) (ptDat + stride) = *(CPlaneBasis *) ptDat;
|
||
|
|
ptDat += stride;
|
||
|
|
*(CPlaneBasis *) (ptDat + stride) = *(CPlaneBasis *) ptDat;
|
||
|
|
ptDat += stride;
|
||
|
|
*(CPlaneBasis *) (ptDat + stride) = *(CPlaneBasis *) ptDat;
|
||
|
|
ptDat += stride << 1;
|
||
|
|
fpIndex += srcStep;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
///============================================================================
|
||
|
|
void CPSPlaneBasisFollowSpeed::makeN(CPSLocated *loc,
|
||
|
|
uint32 startIndex,
|
||
|
|
void *tab,
|
||
|
|
uint32 stride,
|
||
|
|
uint32 numAttrib,
|
||
|
|
uint32 nbReplicate,
|
||
|
|
uint32 srcStep /*= (1 << 16) */
|
||
|
|
) const
|
||
|
|
{
|
||
|
|
nlassert(numAttrib);
|
||
|
|
if (srcStep == (1 << 16))
|
||
|
|
{
|
||
|
|
nlassert(nbReplicate > 1);
|
||
|
|
TPSAttribVector::const_iterator speedIt = loc->getSpeed().begin() + startIndex
|
||
|
|
, endSpeedIt = loc->getSpeed().begin() + startIndex + numAttrib;
|
||
|
|
uint8 *ptDat = (uint8 *) tab;
|
||
|
|
uint k;
|
||
|
|
do
|
||
|
|
{
|
||
|
|
*(CPlaneBasis *) ptDat = CPlaneBasis(*speedIt);
|
||
|
|
|
||
|
|
k = nbReplicate - 1;
|
||
|
|
|
||
|
|
do
|
||
|
|
{
|
||
|
|
*(CPlaneBasis *) (ptDat + stride) = *(CPlaneBasis *) ptDat;
|
||
|
|
ptDat += stride;
|
||
|
|
}
|
||
|
|
while (--k);
|
||
|
|
ptDat += stride;
|
||
|
|
|
||
|
|
++ speedIt;
|
||
|
|
}
|
||
|
|
while (speedIt != endSpeedIt);
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
uint32 fpIndex = startIndex * srcStep;
|
||
|
|
nlassert(nbReplicate > 1);
|
||
|
|
const TPSAttribVector::const_iterator speedIt = loc->getSpeed().begin();
|
||
|
|
uint8 *ptDat = (uint8 *) tab;
|
||
|
|
uint k;
|
||
|
|
while (numAttrib --)
|
||
|
|
{
|
||
|
|
*(CPlaneBasis *) ptDat = CPlaneBasis(*(speedIt + (fpIndex >> 16)));
|
||
|
|
|
||
|
|
k = nbReplicate - 1;
|
||
|
|
|
||
|
|
do
|
||
|
|
{
|
||
|
|
*(CPlaneBasis *) (ptDat + stride) = *(CPlaneBasis *) ptDat;
|
||
|
|
ptDat += stride;
|
||
|
|
}
|
||
|
|
while (--k);
|
||
|
|
ptDat += stride;
|
||
|
|
|
||
|
|
fpIndex += srcStep;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
/////////////////////////////////////////////
|
||
|
|
// CSpinnerFunctor implementation //
|
||
|
|
/////////////////////////////////////////////
|
||
|
|
|
||
|
|
|
||
|
|
///============================================================================
|
||
|
|
CSpinnerFunctor::CSpinnerFunctor() : _NbSamples(0), _Axis(NLMISC::CVector::K)
|
||
|
|
{
|
||
|
|
}
|
||
|
|
|
||
|
|
///============================================================================
|
||
|
|
void CSpinnerFunctor::setAxis(const NLMISC::CVector &axis)
|
||
|
|
{
|
||
|
|
_Axis = axis;
|
||
|
|
updateSamples();
|
||
|
|
}
|
||
|
|
|
||
|
|
///============================================================================
|
||
|
|
void CSpinnerFunctor::setNumSamples(uint32 nbSamples)
|
||
|
|
{
|
||
|
|
nlassert(nbSamples > 0);
|
||
|
|
_NbSamples = nbSamples;
|
||
|
|
updateSamples();
|
||
|
|
}
|
||
|
|
|
||
|
|
///============================================================================
|
||
|
|
uint32 CSpinnerFunctor::getNumSamples(void) const
|
||
|
|
{
|
||
|
|
return _NbSamples;
|
||
|
|
}
|
||
|
|
|
||
|
|
///============================================================================
|
||
|
|
void CSpinnerFunctor::serial(NLMISC::IStream &f) throw(NLMISC::EStream)
|
||
|
|
{
|
||
|
|
f.serialVersion(1);
|
||
|
|
f.serial(_Axis, _NbSamples);
|
||
|
|
if (f.isReading()) updateSamples();
|
||
|
|
}
|
||
|
|
|
||
|
|
///============================================================================
|
||
|
|
void CSpinnerFunctor::updateSamples(void)
|
||
|
|
{
|
||
|
|
if (_NbSamples == 0) return;
|
||
|
|
// compute step between each angle
|
||
|
|
const float angInc = (float) (2.f * NLMISC::Pi / _NbSamples);
|
||
|
|
_PBTab.resize(_NbSamples + 1);
|
||
|
|
NLMISC::CMatrix mat;
|
||
|
|
CPSUtil::buildSchmidtBasis(_Axis, mat);
|
||
|
|
NLMISC::CVector I = mat.getI();
|
||
|
|
NLMISC::CVector J = mat.getJ();
|
||
|
|
// compute basis for rotation
|
||
|
|
for (uint32 k = 0; k < _NbSamples; ++k)
|
||
|
|
{
|
||
|
|
float ca = cosf(k * angInc);
|
||
|
|
float sa = sinf(k * angInc);
|
||
|
|
_PBTab[k].X.set(ca * I.x + sa * J.x,
|
||
|
|
ca * I.y + sa * J.y,
|
||
|
|
ca * I.z + sa * J.z);
|
||
|
|
|
||
|
|
_PBTab[k].Y.set(- sa * I.x + ca * J.x,
|
||
|
|
- sa * I.y + ca * J.y,
|
||
|
|
- sa * I.z + ca * J.z);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
///============================================================================
|
||
|
|
void PSRegisterPlaneBasisAttribs()
|
||
|
|
{
|
||
|
|
NLMISC_REGISTER_CLASS(CPSPlaneBasisBlender);
|
||
|
|
NLMISC_REGISTER_CLASS(CPSPlaneBasisGradient);
|
||
|
|
NLMISC_REGISTER_CLASS(CPSPlaneBasisMemory);
|
||
|
|
NLMISC_REGISTER_CLASS(CPSPlaneBasisBinOp);
|
||
|
|
NLMISC_REGISTER_CLASS(CPSPlaneBasisFollowSpeed);
|
||
|
|
NLMISC_REGISTER_CLASS(CPSBasisSpinner);
|
||
|
|
}
|
||
|
|
|
||
|
|
} // NL3D
|