mirror of
https://port.numenaute.org/aleajactaest/khanat-opennel-code.git
synced 2024-12-30 12:50:53 +00:00
417 lines
13 KiB
C++
417 lines
13 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_face.h"
|
|
#include "nel/3d/ps_macro.h"
|
|
#include "nel/3d/driver.h"
|
|
#include "nel/3d/ps_iterator.h"
|
|
#include "nel/3d/particle_system.h"
|
|
#include "nel/misc/quat.h"
|
|
|
|
|
|
|
|
namespace NL3D
|
|
{
|
|
|
|
using NLMISC::CQuat;
|
|
|
|
////////////////////////////
|
|
// CPSFace implementation //
|
|
////////////////////////////
|
|
|
|
/** Well, we could have put a method template in CPSFace, but some compilers
|
|
* want the definition of the methods in the header, and some compilers
|
|
* don't want friend with function template, so we use a static method template of a friend class instead,
|
|
* which gives us the same result :)
|
|
*/
|
|
class CPSFaceHelper
|
|
{
|
|
public:
|
|
template <class T, class U>
|
|
static void drawFaces(T posIt, U indexIt, CPSFace &f, uint size, uint32 srcStep)
|
|
{
|
|
NL_PS_FUNC(CPSFaceHelper_drawFaces)
|
|
PARTICLES_CHECK_MEM;
|
|
nlassert(f._Owner);
|
|
IDriver *driver = f.getDriver();
|
|
|
|
CVertexBuffer &vb = f.getNeededVB(*driver);
|
|
f.updateMatBeforeRendering(driver, vb);
|
|
|
|
uint8 *currVertex;
|
|
|
|
// number of left faces to draw, number of faces to process at once
|
|
uint32 leftFaces = size, toProcess;
|
|
f._Owner->incrementNbDrawnParticles(size); // for benchmark purpose
|
|
f.setupDriverModelMatrix();
|
|
float sizeBuf[CPSQuad::quadBufSize];
|
|
float *ptSize;
|
|
T endPosIt;
|
|
|
|
// if constant size is used, the pointer points always the same float
|
|
uint32 ptSizeIncrement = f._SizeScheme ? 1 : 0;
|
|
|
|
if (f._ColorScheme)
|
|
{
|
|
f._ColorScheme->setColorType(driver->getVertexColorFormat());
|
|
}
|
|
|
|
if (f._PrecompBasis.size()) // do we use precomputed basis ?
|
|
{
|
|
do
|
|
{
|
|
{
|
|
toProcess = leftFaces > (uint32) CPSQuad::quadBufSize ? (uint32) CPSQuad::quadBufSize : leftFaces;
|
|
vb.setNumVertices(4 * toProcess);
|
|
CVertexBufferReadWrite vba;
|
|
vb.lock (vba);
|
|
currVertex = (uint8 *) vba.getVertexCoordPointer() ;
|
|
if (f._SizeScheme)
|
|
{
|
|
ptSize = (float *) (f._SizeScheme->make(f._Owner, size - leftFaces, sizeBuf, sizeof(float), toProcess, true, srcStep));
|
|
}
|
|
else
|
|
{
|
|
ptSize = &f._ParticleSize;
|
|
}
|
|
f.updateVbColNUVForRender(vb, size - leftFaces, toProcess, srcStep, *driver);
|
|
const uint32 stride = vb.getVertexSize();
|
|
endPosIt = posIt + toProcess;
|
|
do
|
|
{
|
|
const CPlaneBasis &currBasis = f._PrecompBasis[*indexIt].Basis;
|
|
CHECK_VERTEX_BUFFER(vb, currVertex);
|
|
((CVector *) currVertex)->x = (*posIt).x + *ptSize * currBasis.X.x;
|
|
((CVector *) currVertex)->y = (*posIt).y + *ptSize * currBasis.X.y;
|
|
((CVector *) currVertex)->z = (*posIt).z + *ptSize * currBasis.X.z;
|
|
currVertex += stride;
|
|
|
|
CHECK_VERTEX_BUFFER(vb, currVertex);
|
|
((CVector *) currVertex)->x = (*posIt).x + *ptSize * currBasis.Y.x;
|
|
((CVector *) currVertex)->y = (*posIt).y + *ptSize * currBasis.Y.y;
|
|
((CVector *) currVertex)->z = (*posIt).z + *ptSize * currBasis.Y.z;
|
|
currVertex += stride;
|
|
|
|
CHECK_VERTEX_BUFFER(vb, currVertex);
|
|
((CVector *) currVertex)->x = (*posIt).x - *ptSize * currBasis.X.x;
|
|
((CVector *) currVertex)->y = (*posIt).y - *ptSize * currBasis.X.y;
|
|
((CVector *) currVertex)->z = (*posIt).z - *ptSize * currBasis.X.z;
|
|
currVertex += stride;
|
|
|
|
CHECK_VERTEX_BUFFER(vb, currVertex);
|
|
((CVector *) currVertex)->x = (*posIt).x - *ptSize * currBasis.Y.x;
|
|
((CVector *) currVertex)->y = (*posIt).y - *ptSize * currBasis.Y.y;
|
|
((CVector *) currVertex)->z = (*posIt).z - *ptSize * currBasis.Y.z;
|
|
currVertex += stride;
|
|
ptSize += ptSizeIncrement;
|
|
++indexIt;
|
|
++posIt;
|
|
}
|
|
while (posIt != endPosIt);
|
|
}
|
|
driver->activeVertexBuffer(vb),
|
|
driver->renderRawQuads(f._Mat, 0, toProcess);
|
|
leftFaces -= toProcess;
|
|
}
|
|
while (leftFaces);
|
|
}
|
|
else
|
|
{
|
|
// must compute each particle basis at each time
|
|
static CPlaneBasis planeBasis[CPSQuad::quadBufSize]; // buffer to compute each particle basis
|
|
CPlaneBasis *currBasis;
|
|
uint32 ptPlaneBasisIncrement = f._PlaneBasisScheme ? 1 : 0;
|
|
const uint32 vSize = vb.getVertexSize();
|
|
do
|
|
{
|
|
{
|
|
toProcess = leftFaces > (uint32) CPSQuad::quadBufSize ? (uint32) CPSQuad::quadBufSize : leftFaces;
|
|
vb.setNumVertices(4 * toProcess);
|
|
CVertexBufferReadWrite vba;
|
|
vb.lock (vba);
|
|
currVertex = (uint8 *) vba.getVertexCoordPointer() ;
|
|
if (f._SizeScheme)
|
|
{
|
|
ptSize = (float *) (f._SizeScheme->make(f._Owner, size - leftFaces, sizeBuf, sizeof(float), toProcess, true, srcStep));
|
|
}
|
|
else
|
|
{
|
|
ptSize = &f._ParticleSize;
|
|
}
|
|
|
|
if (f._PlaneBasisScheme)
|
|
{
|
|
currBasis = (CPlaneBasis *) (f._PlaneBasisScheme->make(f._Owner, size - leftFaces, planeBasis, sizeof(CPlaneBasis), toProcess, true, srcStep));
|
|
}
|
|
else
|
|
{
|
|
currBasis = &f._PlaneBasis;
|
|
}
|
|
f.updateVbColNUVForRender(vb, size - leftFaces, toProcess, srcStep, *driver);
|
|
endPosIt = posIt + toProcess;
|
|
do
|
|
{
|
|
// we use this instead of the + operator, because we avoid 4 constructor calls this way
|
|
CHECK_VERTEX_BUFFER(vb, currVertex);
|
|
((CVector *) currVertex)->x = (*posIt).x + *ptSize * currBasis->X.x;
|
|
((CVector *) currVertex)->y = (*posIt).y + *ptSize * currBasis->X.y;
|
|
((CVector *) currVertex)->z = (*posIt).z + *ptSize * currBasis->X.z;
|
|
currVertex += vSize;
|
|
|
|
CHECK_VERTEX_BUFFER(vb, currVertex);
|
|
((CVector *) currVertex)->x = (*posIt).x + *ptSize * currBasis->Y.x;
|
|
((CVector *) currVertex)->y = (*posIt).y + *ptSize * currBasis->Y.y;
|
|
((CVector *) currVertex)->z = (*posIt).z + *ptSize * currBasis->Y.z;
|
|
currVertex += vSize;
|
|
|
|
CHECK_VERTEX_BUFFER(vb, currVertex);
|
|
((CVector *) currVertex)->x = (*posIt).x - *ptSize * currBasis->X.x;
|
|
((CVector *) currVertex)->y = (*posIt).y - *ptSize * currBasis->X.y;
|
|
((CVector *) currVertex)->z = (*posIt).z - *ptSize * currBasis->X.z;
|
|
currVertex += vSize;
|
|
|
|
CHECK_VERTEX_BUFFER(vb, currVertex);
|
|
((CVector *) currVertex)->x = (*posIt).x - *ptSize * currBasis->Y.x;
|
|
((CVector *) currVertex)->y = (*posIt).y - *ptSize * currBasis->Y.y;
|
|
((CVector *) currVertex)->z = (*posIt).z - *ptSize * currBasis->Y.z;
|
|
currVertex += vSize;
|
|
ptSize += ptSizeIncrement;
|
|
++posIt;
|
|
currBasis += ptPlaneBasisIncrement;
|
|
}
|
|
while (posIt != endPosIt);
|
|
}
|
|
driver->activeVertexBuffer(vb);
|
|
driver->renderRawQuads(f._Mat, 0, toProcess);
|
|
leftFaces -= toProcess;
|
|
}
|
|
while (leftFaces);
|
|
}
|
|
PARTICLES_CHECK_MEM;
|
|
}
|
|
};
|
|
|
|
///======================================================================================
|
|
CPSFace::CPSFace(CSmartPtr<ITexture> tex) : CPSQuad(tex)
|
|
{
|
|
NL_PS_FUNC(CPSFace_CPSFace)
|
|
if (CParticleSystem::getSerializeIdentifierFlag()) _Name = std::string("Face");
|
|
}
|
|
|
|
///======================================================================================
|
|
void CPSFace::step(TPSProcessPass pass)
|
|
{
|
|
// if (!FilterPS[1]) return;
|
|
NL_PS_FUNC(CPSFace_step)
|
|
if (pass == PSToolRender) // edition mode only
|
|
{
|
|
showTool();
|
|
return;
|
|
}
|
|
else if (pass == PSMotion)
|
|
{
|
|
|
|
if (_PrecompBasis.size()) // do we use precomputed basis ?
|
|
{
|
|
// rotate all precomputed basis
|
|
for (CPSVector< CPlaneBasisPair >::V::iterator it = _PrecompBasis.begin(); it != _PrecompBasis.end(); ++it)
|
|
{
|
|
// not optimized at all, but this will apply to very few elements anyway...
|
|
CMatrix mat;
|
|
mat.rotate(CQuat(it->Axis, CParticleSystem::EllapsedTime * it->AngularVelocity));
|
|
CVector n = mat * it->Basis.getNormal();
|
|
it->Basis = CPlaneBasis(n);
|
|
}
|
|
}
|
|
return;
|
|
}
|
|
else // check this is the right pass
|
|
if (!
|
|
( (pass == PSBlendRender && hasTransparentFaces())
|
|
|| (pass == PSSolidRender && hasOpaqueFaces())
|
|
)
|
|
)
|
|
{
|
|
return;
|
|
}
|
|
|
|
|
|
|
|
if (!_Owner->getSize()) return;
|
|
uint32 step;
|
|
uint numToProcess;
|
|
computeSrcStep(step, numToProcess);
|
|
if (!numToProcess) return;
|
|
|
|
|
|
if (step == (1 << 16))
|
|
{
|
|
/// build index iterator
|
|
CPSVector<uint32>::V::const_iterator indexIt = _IndexInPrecompBasis.begin();
|
|
|
|
/// draw the faces
|
|
CPSFaceHelper::drawFaces(_Owner->getPos().begin(),
|
|
indexIt,
|
|
*this,
|
|
numToProcess,
|
|
step
|
|
);
|
|
}
|
|
else
|
|
{
|
|
/// build index iterator
|
|
CAdvance1616Iterator<CPSVector<uint32>::V::const_iterator, const uint32>
|
|
indexIt(_IndexInPrecompBasis.begin(), 0, step);
|
|
CPSFaceHelper::drawFaces(TIteratorVectStep1616(_Owner->getPos().begin(), 0, step),
|
|
indexIt,
|
|
*this,
|
|
numToProcess,
|
|
step
|
|
);
|
|
}
|
|
|
|
}
|
|
|
|
|
|
///======================================================================================
|
|
void CPSFace::serial(NLMISC::IStream &f) throw(NLMISC::EStream)
|
|
{
|
|
NL_PS_FUNC(CPSFace_IStream )
|
|
f.serialVersion(1);
|
|
CPSQuad::serial(f);
|
|
CPSRotated3DPlaneParticle::serialPlaneBasisScheme(f);
|
|
|
|
if (f.isReading())
|
|
{
|
|
uint32 nbConfigurations;
|
|
f.serial(nbConfigurations);
|
|
if (nbConfigurations)
|
|
{
|
|
f.serial(_MinAngularVelocity, _MaxAngularVelocity);
|
|
}
|
|
hintRotateTheSame(nbConfigurations, _MinAngularVelocity, _MaxAngularVelocity);
|
|
|
|
init();
|
|
}
|
|
else
|
|
{
|
|
uint32 nbConfigurations = (uint32)_PrecompBasis.size();
|
|
f.serial(nbConfigurations);
|
|
if (nbConfigurations)
|
|
{
|
|
f.serial(_MinAngularVelocity, _MaxAngularVelocity);
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
///======================================================================================
|
|
/// this produce a random unit vector
|
|
static CVector MakeRandomUnitVect(void)
|
|
{
|
|
NL_PS_FUNC(MakeRandomUnitVect)
|
|
CVector v((float) ((rand() % 20000) - 10000)
|
|
,(float) ((rand() % 20000) - 10000)
|
|
,(float) ((rand() % 20000) - 10000)
|
|
);
|
|
v.normalize();
|
|
return v;
|
|
}
|
|
|
|
///======================================================================================
|
|
void CPSFace::hintRotateTheSame(uint32 nbConfiguration
|
|
, float minAngularVelocity
|
|
, float maxAngularVelocity
|
|
)
|
|
{
|
|
NL_PS_FUNC(CPSFace_hintRotateTheSame)
|
|
_MinAngularVelocity = minAngularVelocity;
|
|
_MaxAngularVelocity = maxAngularVelocity;
|
|
_PrecompBasis.resize(nbConfiguration);
|
|
if (nbConfiguration)
|
|
{
|
|
// each precomp basis is created randomly;
|
|
for (uint k = 0; k < nbConfiguration; ++k)
|
|
{
|
|
CVector v = MakeRandomUnitVect();
|
|
_PrecompBasis[k].Basis = CPlaneBasis(v);
|
|
_PrecompBasis[k].Axis = MakeRandomUnitVect();
|
|
_PrecompBasis[k].AngularVelocity = minAngularVelocity
|
|
+ (rand() % 20000) / 20000.f * (maxAngularVelocity - minAngularVelocity);
|
|
|
|
}
|
|
// we need to do this because nbConfs may have changed
|
|
fillIndexesInPrecompBasis();
|
|
}
|
|
}
|
|
|
|
///======================================================================================
|
|
void CPSFace::fillIndexesInPrecompBasis(void)
|
|
{
|
|
NL_PS_FUNC(CPSFace_fillIndexesInPrecompBasis)
|
|
const uint32 nbConf = (uint32)_PrecompBasis.size();
|
|
if (_Owner)
|
|
{
|
|
_IndexInPrecompBasis.resize( _Owner->getMaxSize() );
|
|
}
|
|
for (CPSVector<uint32>::V::iterator it = _IndexInPrecompBasis.begin(); it != _IndexInPrecompBasis.end(); ++it)
|
|
{
|
|
*it = rand() % nbConf;
|
|
}
|
|
}
|
|
|
|
///======================================================================================
|
|
void CPSFace::newElement(const CPSEmitterInfo &info)
|
|
{
|
|
NL_PS_FUNC(CPSFace_newElement)
|
|
CPSQuad::newElement(info);
|
|
newPlaneBasisElement(info);
|
|
const uint32 nbConf = (uint32)_PrecompBasis.size();
|
|
if (nbConf) // do we use precomputed basis ?
|
|
{
|
|
_IndexInPrecompBasis[_Owner->getNewElementIndex()] = rand() % nbConf;
|
|
}
|
|
}
|
|
|
|
///======================================================================================
|
|
void CPSFace::deleteElement(uint32 index)
|
|
{
|
|
NL_PS_FUNC(CPSFace_deleteElement)
|
|
CPSQuad::deleteElement(index);
|
|
deletePlaneBasisElement(index);
|
|
if (_PrecompBasis.size()) // do we use precomputed basis ?
|
|
{
|
|
// replace ourself by the last element...
|
|
_IndexInPrecompBasis[index] = _IndexInPrecompBasis[_Owner->getSize() - 1];
|
|
}
|
|
}
|
|
|
|
///======================================================================================
|
|
void CPSFace::resize(uint32 size)
|
|
{
|
|
NL_PS_FUNC(CPSFace_resize)
|
|
nlassert(size < (1 << 16));
|
|
resizePlaneBasis(size);
|
|
if (_PrecompBasis.size()) // do we use precomputed basis ?
|
|
{
|
|
_IndexInPrecompBasis.resize(size);
|
|
}
|
|
CPSQuad::resize(size);
|
|
}
|
|
|
|
} // NL3D
|