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https://port.numenaute.org/aleajactaest/khanat-opennel-code.git
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1029 lines
36 KiB
C++
1029 lines
36 KiB
C++
// NeL - MMORPG Framework <http://dev.ryzom.com/projects/nel/>
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// Copyright (C) 2010 Winch Gate Property Limited
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Affero General Public License as
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// published by the Free Software Foundation, either version 3 of the
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// License, or (at your option) any later version.
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//
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// This program 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
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// GNU Affero General Public License for more details.
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//
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// You should have received a copy of the GNU Affero General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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#include "std3d.h"
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#include "nel/3d/ps_face_look_at.h"
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#include "nel/3d/ps_macro.h"
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#include "nel/3d/driver.h"
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#include "nel/3d/ps_iterator.h"
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#include "nel/3d/particle_system.h"
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#include "nel/misc/fast_floor.h"
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namespace NL3D
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{
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/** vector giving the orientation of look at
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*/
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struct CLookAtAlign
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{
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CVector I;
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CVector K;
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};
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uint64 PSLookAtRenderTime = 0;
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//////////////////////////////////
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// CPSFaceLookAt implementation //
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//////////////////////////////////
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/** Well, we could have put a method template in CPSFaceLookAt, but some compilers
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* want the definition of the methods in the header, and some compilers
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* don't want friend with function template, so we use a static method template of a friend class instead,
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* which gives us the same result :)
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*/
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class CPSFaceLookAtHelper
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{
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public:
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/** compute orientation vectors depending on speed
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*/
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template <class T>
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static void computeOrientationVectors(T speedIt, const CVector &I, const CVector &K, CLookAtAlign *dest, uint size)
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{
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NL_PS_FUNC(CPSFaceLookAtHelper_computeOrientationVectors)
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nlassert(size > 0);
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const CLookAtAlign *endDest = dest + size;
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do
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{
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// tmp unoptimized slow version
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CVector normedSpeed = (*speedIt).normed();
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float iProj = normedSpeed * I;
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float kProj = normedSpeed * K;
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dest->I = iProj * I + kProj * K;
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dest->K = (- kProj * I + iProj * K).normed();
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++ speedIt;
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++ dest;
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}
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while(dest != endDest);
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}
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/** Draw look at and align them on motion
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*/
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template <class T>
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static void drawLookAtAlignOnMotion(T it, T speedIt, CPSFaceLookAt &la, uint size, uint32 srcStep)
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{
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PARTICLES_CHECK_MEM;
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nlassert(la._Owner);
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IDriver *driver = la.getDriver();
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if (la._ColorScheme)
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{
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la._ColorScheme->setColorType(driver->getVertexColorFormat());
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}
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CVertexBuffer &vb = la.getNeededVB(*driver);
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la.updateMatBeforeRendering(driver, vb);
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la._Owner->incrementNbDrawnParticles(size); // for benchmark purpose
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la.setupDriverModelMatrix();
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//driver->activeVertexBuffer(vb);
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const CVector I = la.computeI();
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const CVector K = la.computeK();
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const float *rotTable = CPSRotated2DParticle::getRotTable();
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// for each the particle can be constantly rotated or have an independant rotation for each particle
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// number of face left, and number of face to process at once
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uint32 leftToDo = size, toProcess;
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float pSizes[CPSQuad::quadBufSize]; // the sizes to use
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float pSecondSizes[CPSQuad::quadBufSize]; // the second sizes to use
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uint8 laAlignRaw[sizeof(CLookAtAlign) * CPSQuad::quadBufSize]; // orientation computed from motion for each particle
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CLookAtAlign *laAlign = (CLookAtAlign *) laAlignRaw; // cast to avoid unilined ctor calls
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float *currentSize;
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uint32 currentSizeStep = la._SizeScheme ? 1 : 0;
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// point the vector part in the current vertex
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uint8 *ptPos;
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// strides to go from one vertex to another one
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const uint32 stride = vb.getVertexSize();
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if (!la._Angle2DScheme)
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{
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// constant rotation case
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do
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{
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toProcess = leftToDo <= (uint32) CPSQuad::quadBufSize ? leftToDo : (uint32) CPSQuad::quadBufSize;
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vb.setNumVertices(4 * toProcess);
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// restart at the beginning of the vertex buffer
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CVertexBufferReadWrite vba;
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vb.lock (vba);
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ptPos = (uint8 *) vba.getVertexCoordPointer();
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if (la._SizeScheme)
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{
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currentSize = (float *) la._SizeScheme->make(la._Owner, size- leftToDo, pSizes, sizeof(float), toProcess, true, srcStep);
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}
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else
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{
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currentSize = &la._ParticleSize;
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}
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computeOrientationVectors(speedIt, I, K, laAlign, toProcess);
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speedIt = speedIt + toProcess;
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const CLookAtAlign *currAlign = laAlign;
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la.updateVbColNUVForRender(vb, size - leftToDo, toProcess, srcStep, *driver);
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T endIt = it + toProcess;
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if (!la._IndependantSizes)
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{
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const uint32 tabIndex = (((uint32) la._Angle2D) & 0xff) << 2;
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CVector v1;
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CVector v2;
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// TODO : optimize if necessary
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while (it != endIt)
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{
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v1 = rotTable[tabIndex] * currAlign->I + rotTable[tabIndex + 1] * currAlign->K;
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v2 = rotTable[tabIndex + 2] * currAlign->I + rotTable[tabIndex + 3] * currAlign->K;
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CHECK_VERTEX_BUFFER(vb, ptPos);
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((CVector *) ptPos)->x = (*it).x + *currentSize * v1.x;
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((CVector *) ptPos)->y = (*it).y + *currentSize * v1.y;
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((CVector *) ptPos)->z = (*it).z + *currentSize * v1.z;
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ptPos += stride;
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CHECK_VERTEX_BUFFER(vb, ptPos);
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((CVector *) ptPos)->x = (*it).x + *currentSize * v2.x;
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((CVector *) ptPos)->y = (*it).y + *currentSize * v2.y;
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((CVector *) ptPos)->z = (*it).z + *currentSize * v2.z;
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ptPos += stride;
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CHECK_VERTEX_BUFFER(vb, ptPos);
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((CVector *) ptPos)->x = (*it).x - *currentSize * v1.x;
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((CVector *) ptPos)->y = (*it).y - *currentSize * v1.y;
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((CVector *) ptPos)->z = (*it).z - *currentSize * v1.z;
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ptPos += stride;
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CHECK_VERTEX_BUFFER(vb, ptPos);
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((CVector *) ptPos)->x = (*it).x - *currentSize * v2.x;
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((CVector *) ptPos)->y = (*it).y - *currentSize * v2.y;
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((CVector *) ptPos)->z = (*it).z - *currentSize * v2.z;
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ptPos += stride;
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++it;
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++currAlign;
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currentSize += currentSizeStep;
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}
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}
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else // independant sizes
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{
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float *currentSize2;
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float secondSize;
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uint32 currentSizeStep2;
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if (la._SecondSize.getSizeScheme())
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{
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currentSize2 = (float *) la._SecondSize.getSizeScheme()->make(la._Owner, size- leftToDo, pSecondSizes, sizeof(float), toProcess, true, srcStep);
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currentSizeStep2 = 1;
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}
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else
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{
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secondSize = la._SecondSize.getSize();
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currentSize2 = &secondSize;
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currentSizeStep2 = 0;
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}
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CVector v1;
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CVector v2;
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// TODO : optimize if necessary
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while (it != endIt)
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{
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v1 = CPSUtil::getCos((sint32) la._Angle2D) * currAlign->I + CPSUtil::getSin((sint32) la._Angle2D) * currAlign->K;
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v2 = - CPSUtil::getSin((sint32) la._Angle2D) * currAlign->I + CPSUtil::getCos((sint32) la._Angle2D) * currAlign->K;
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CHECK_VERTEX_BUFFER(vb, ptPos);
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((CVector *) ptPos)->x = (*it).x - *currentSize * v1.x + *currentSize2 * v2.x;
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((CVector *) ptPos)->y = (*it).y - *currentSize * v1.y + *currentSize2 * v2.y;
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((CVector *) ptPos)->z = (*it).z - *currentSize * v1.z + *currentSize2 * v2.z;
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ptPos += stride;
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CHECK_VERTEX_BUFFER(vb, ptPos);
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((CVector *) ptPos)->x = (*it).x + *currentSize * v1.x + *currentSize2 * v2.x;
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((CVector *) ptPos)->y = (*it).y + *currentSize * v1.y + *currentSize2 * v2.y;
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((CVector *) ptPos)->z = (*it).z + *currentSize * v1.z + *currentSize2 * v2.z;
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ptPos += stride;
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CHECK_VERTEX_BUFFER(vb, ptPos);
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((CVector *) ptPos)->x = (*it).x + *currentSize * v1.x - *currentSize2 * v2.x;
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((CVector *) ptPos)->y = (*it).y + *currentSize * v1.y - *currentSize2 * v2.y;
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((CVector *) ptPos)->z = (*it).z + *currentSize * v1.z - *currentSize2 * v2.z;
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ptPos += stride;
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CHECK_VERTEX_BUFFER(vb, ptPos);
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((CVector *) ptPos)->x = (*it).x - *currentSize * v1.x - *currentSize2 * v2.x;
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((CVector *) ptPos)->y = (*it).y - *currentSize * v1.y - *currentSize2 * v2.y;
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((CVector *) ptPos)->z = (*it).z - *currentSize * v1.z - *currentSize2 * v2.z;
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ptPos += stride;
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++it;
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++currAlign;
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currentSize += currentSizeStep;
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currentSize2 += currentSizeStep2;
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}
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}
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// uint64 startTick = NLMISC::CTime::getPerformanceTime();
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vba.unlock();
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driver->activeVertexBuffer(vb);
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driver->renderRawQuads(la._Mat, 0, toProcess);
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// PSLookAtRenderTime += NLMISC::CTime::getPerformanceTime() - startTick;
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leftToDo -= toProcess;
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}
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while (leftToDo);
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}
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else
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{
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float pAngles[CPSQuad::quadBufSize]; // the angles to use
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float *currentAngle;
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do
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{
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toProcess = leftToDo <= (uint32) CPSQuad::quadBufSize ? leftToDo : (uint32) CPSQuad::quadBufSize;
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vb.setNumVertices(4 * toProcess);
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// restart at the beginning of the vertex buffer
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CVertexBufferReadWrite vba;
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vb.lock (vba);
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ptPos = (uint8 *) vba.getVertexCoordPointer();
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if (la._SizeScheme)
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{
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currentSize = (float *) la._SizeScheme->make(la._Owner, size - leftToDo, pSizes, sizeof(float), toProcess, true, srcStep);
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}
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else
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{
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currentSize = &la._ParticleSize;
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}
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computeOrientationVectors(speedIt, I, K, laAlign, toProcess);
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speedIt = speedIt + toProcess;
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const CLookAtAlign *currAlign = laAlign;
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currentAngle = (float *) la._Angle2DScheme->make(la._Owner, size - leftToDo, pAngles, sizeof(float), toProcess, true, srcStep);
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la.updateVbColNUVForRender(vb, size - leftToDo, toProcess, srcStep, *driver);
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T endIt = it + toProcess;
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CVector v1, v2;
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NLMISC::OptFastFloorBegin();
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if (!la._IndependantSizes)
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{
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while (it != endIt)
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{
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const uint32 tabIndex = ((NLMISC::OptFastFloor(*currentAngle)) & 0xff) << 2;
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// lets avoid some ctor calls
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v1.x = *currentSize * (rotTable[tabIndex] * currAlign->I.x + rotTable[tabIndex + 1] * currAlign->K.x);
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v1.y = *currentSize * (rotTable[tabIndex] * currAlign->I.y + rotTable[tabIndex + 1] * currAlign->K.y);
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v1.z = *currentSize * (rotTable[tabIndex] * currAlign->I.z + rotTable[tabIndex + 1] * currAlign->K.z);
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v2.x = *currentSize * (rotTable[tabIndex + 2] * currAlign->I.x + rotTable[tabIndex + 3] * currAlign->K.x);
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v2.y = *currentSize * (rotTable[tabIndex + 2] * currAlign->I.y + rotTable[tabIndex + 3] * currAlign->K.y);
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v2.z = *currentSize * (rotTable[tabIndex + 2] * currAlign->I.z + rotTable[tabIndex + 3] * currAlign->K.z);
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CHECK_VERTEX_BUFFER(vb, ptPos);
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CHECK_VERTEX_BUFFER(vb, ptPos + stride);
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CHECK_VERTEX_BUFFER(vb, ptPos + stride2);
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CHECK_VERTEX_BUFFER(vb, ptPos + stride3);
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((CVector *) ptPos)->x = (*it).x + v1.x;
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((CVector *) ptPos)->y = (*it).y + v1.y;
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((CVector *) ptPos)->z = (*it).z + v1.z;
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ptPos += stride;
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((CVector *) ptPos)->x = (*it).x + v2.x;
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((CVector *) ptPos)->y = (*it).y + v2.y;
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((CVector *) ptPos)->z = (*it).z + v2.z;
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ptPos += stride;
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((CVector *) ptPos)->x = (*it).x - v1.x;
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((CVector *) ptPos)->y = (*it).y - v1.y;
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((CVector *) ptPos)->z = (*it).z - v1.z;
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ptPos += stride;
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((CVector *) ptPos)->x = (*it).x - v2.x;
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((CVector *) ptPos)->y = (*it).y - v2.y;
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((CVector *) ptPos)->z = (*it).z - v2.z;
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ptPos += stride;
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++it;
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++ currAlign;
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currentSize += currentSizeStep;
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++currentAngle;
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}
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}
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else // independant size, and non-constant rotation
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{
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float *currentSize2;
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float secondSize;
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uint32 currentSizeStep2;
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if (la._SecondSize.getSizeScheme())
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{
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currentSize2 = (float *) la._SecondSize.getSizeScheme()->make(la._Owner, size- leftToDo, pSecondSizes, sizeof(float), toProcess, true, srcStep);
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currentSizeStep2 = 1;
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}
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else
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{
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secondSize = la._SecondSize.getSize();
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currentSize2 = &secondSize;
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currentSizeStep2 = 0;
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}
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float cosAngle, sinAngle;
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while (it != endIt)
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{
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cosAngle = CPSUtil::getCos((sint32) *currentAngle);
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sinAngle = CPSUtil::getSin((sint32) *currentAngle);
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v1 = cosAngle * currAlign->I + sinAngle * currAlign->K;
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v2 = - sinAngle * currAlign->I + cosAngle * currAlign->K;
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CHECK_VERTEX_BUFFER(vb, ptPos);
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((CVector *) ptPos)->x = (*it).x - *currentSize * v1.x + *currentSize2 * v2.x;
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((CVector *) ptPos)->y = (*it).y - *currentSize * v1.y + *currentSize2 * v2.y;
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((CVector *) ptPos)->z = (*it).z - *currentSize * v1.z + *currentSize2 * v2.z;
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ptPos += stride;
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CHECK_VERTEX_BUFFER(vb, ptPos);
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((CVector *) ptPos)->x = (*it).x + *currentSize * v1.x + *currentSize2 * v2.x;
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((CVector *) ptPos)->y = (*it).y + *currentSize * v1.y + *currentSize2 * v2.y;
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((CVector *) ptPos)->z = (*it).z + *currentSize * v1.z + *currentSize2 * v2.z;
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ptPos += stride;
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CHECK_VERTEX_BUFFER(vb, ptPos);
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((CVector *) ptPos)->x = (*it).x + *currentSize * v1.x - *currentSize2 * v2.x;
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((CVector *) ptPos)->y = (*it).y + *currentSize * v1.y - *currentSize2 * v2.y;
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((CVector *) ptPos)->z = (*it).z + *currentSize * v1.z - *currentSize2 * v2.z;
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ptPos += stride;
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CHECK_VERTEX_BUFFER(vb, ptPos);
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((CVector *) ptPos)->x = (*it).x - *currentSize * v1.x - *currentSize2 * v2.x;
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((CVector *) ptPos)->y = (*it).y - *currentSize * v1.y - *currentSize2 * v2.y;
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((CVector *) ptPos)->z = (*it).z - *currentSize * v1.z - *currentSize2 * v2.z;
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ptPos += stride;
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++it;
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++currentAngle;
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++ currAlign;
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currentSize += currentSizeStep;
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currentSize2 += currentSizeStep2;
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}
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}
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NLMISC::OptFastFloorEnd();
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//tmp
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// uint64 startTick = NLMISC::CTime::getPerformanceTime();
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vba.unlock();
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driver->activeVertexBuffer(vb);
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driver->renderRawQuads(la._Mat, 0, toProcess);
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// PSLookAtRenderTime += NLMISC::CTime::getPerformanceTime() - startTick;
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leftToDo -= toProcess;
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}
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while (leftToDo);
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}
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PARTICLES_CHECK_MEM;
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}
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/** render look at, but dont align on motion
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*/
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template <class T>
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static void drawLookAt(T it, T speedIt, CPSFaceLookAt &la, uint size, uint32 srcStep)
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{
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//uint64 startTick = NLMISC::CTime::getPerformanceTime();
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PARTICLES_CHECK_MEM;
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nlassert(la._Owner);
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IDriver *driver = la.getDriver();
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if (la._ColorScheme)
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{
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la._ColorScheme->setColorType(driver->getVertexColorFormat());
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}
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CVertexBuffer &vb = la.getNeededVB(*driver);
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la.updateMatBeforeRendering(driver, vb);
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la._Owner->incrementNbDrawnParticles(size); // for benchmark purpose
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la.setupDriverModelMatrix();
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//driver->activeVertexBuffer(vb);
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CVector I;
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CVector J;
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CVector K;
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if (!la._AlignOnZAxis)
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{
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I = la.computeI();
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J = la.computeJ();
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K = la.computeK();
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}
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else
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{
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I = la.computeIWithZAxisAligned();
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K = la.computeKWithZAxisAligned();
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J = K ^ I;
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}
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const float *rotTable = CPSRotated2DParticle::getRotTable();
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// for each the particle can be constantly rotated or have an independant rotation for each particle
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// number of face left, and number of face to process at once
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uint32 leftToDo = size, toProcess;
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float pSizes[CPSQuad::quadBufSize]; // the sizes to use
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float pSecondSizes[CPSQuad::quadBufSize]; // the second sizes to use
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float *currentSize;
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uint32 currentSizeStep = la._SizeScheme ? 1 : 0;
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// point the vector part in the current vertex
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uint8 *ptPos;
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// strides to go from one vertex to another one
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const uint32 stride = vb.getVertexSize(), stride2 = stride << 1, stride3 = stride + stride2, stride4 = stride << 2;
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//PSLookAtRenderTime += NLMISC::CTime::getPerformanceTime() - startTick;
|
|
if (!la._Angle2DScheme)
|
|
{
|
|
// constant rotation case
|
|
do
|
|
{
|
|
toProcess = leftToDo <= (uint32) CPSQuad::quadBufSize ? leftToDo : (uint32) CPSQuad::quadBufSize;
|
|
vb.setNumVertices(4 * toProcess);
|
|
// restart at the beginning of the vertex buffer
|
|
CVertexBufferReadWrite vba;
|
|
vb.lock (vba);
|
|
ptPos = (uint8 *) vba.getVertexCoordPointer();
|
|
if (la._SizeScheme)
|
|
{
|
|
currentSize = (float *) la._SizeScheme->make(la._Owner, size- leftToDo, pSizes, sizeof(float), toProcess, true, srcStep);
|
|
}
|
|
else
|
|
{
|
|
currentSize = &la._ParticleSize;
|
|
}
|
|
|
|
la.updateVbColNUVForRender(vb, size - leftToDo, toProcess, srcStep, *driver);
|
|
T endIt = it + toProcess;
|
|
if (la._MotionBlurCoeff == 0.f)
|
|
{
|
|
if (!la._IndependantSizes)
|
|
{
|
|
const uint32 tabIndex = (((uint32) la._Angle2D) & 0xff) << 2;
|
|
const CVector v1 = rotTable[tabIndex] * I + rotTable[tabIndex + 1] * K;
|
|
const CVector v2 = rotTable[tabIndex + 2] * I + rotTable[tabIndex + 3] * K;
|
|
if (currentSizeStep)
|
|
{
|
|
while (it != endIt)
|
|
{
|
|
CHECK_VERTEX_BUFFER(vb, ptPos);
|
|
((CVector *) ptPos)->x = (*it).x + *currentSize * v1.x;
|
|
((CVector *) ptPos)->y = (*it).y + *currentSize * v1.y;
|
|
((CVector *) ptPos)->z = (*it).z + *currentSize * v1.z;
|
|
ptPos += stride;
|
|
|
|
CHECK_VERTEX_BUFFER(vb, ptPos);
|
|
((CVector *) ptPos)->x = (*it).x + *currentSize * v2.x;
|
|
((CVector *) ptPos)->y = (*it).y + *currentSize * v2.y;
|
|
((CVector *) ptPos)->z = (*it).z + *currentSize * v2.z;
|
|
ptPos += stride;
|
|
|
|
CHECK_VERTEX_BUFFER(vb, ptPos);
|
|
((CVector *) ptPos)->x = (*it).x - *currentSize * v1.x;
|
|
((CVector *) ptPos)->y = (*it).y - *currentSize * v1.y;
|
|
((CVector *) ptPos)->z = (*it).z - *currentSize * v1.z;
|
|
ptPos += stride;
|
|
|
|
CHECK_VERTEX_BUFFER(vb, ptPos);
|
|
((CVector *) ptPos)->x = (*it).x - *currentSize * v2.x;
|
|
((CVector *) ptPos)->y = (*it).y - *currentSize * v2.y;
|
|
((CVector *) ptPos)->z = (*it).z - *currentSize * v2.z;
|
|
ptPos += stride;
|
|
|
|
++it;
|
|
currentSize += currentSizeStep;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
// constant size
|
|
const CVector myV1 = *currentSize * v1;
|
|
const CVector myV2 = *currentSize * v2;
|
|
|
|
while (it != endIt)
|
|
{
|
|
CHECK_VERTEX_BUFFER(vb, ptPos);
|
|
((CVector *) ptPos)->x = (*it).x + myV1.x;
|
|
((CVector *) ptPos)->y = (*it).y + myV1.y;
|
|
((CVector *) ptPos)->z = (*it).z + myV1.z;
|
|
ptPos += stride;
|
|
|
|
CHECK_VERTEX_BUFFER(vb, ptPos);
|
|
((CVector *) ptPos)->x = (*it).x + myV2.x;
|
|
((CVector *) ptPos)->y = (*it).y + myV2.y;
|
|
((CVector *) ptPos)->z = (*it).z + myV2.z;
|
|
ptPos += stride;
|
|
|
|
CHECK_VERTEX_BUFFER(vb, ptPos);
|
|
((CVector *) ptPos)->x = (*it).x - myV1.x;
|
|
((CVector *) ptPos)->y = (*it).y - myV1.y;
|
|
((CVector *) ptPos)->z = (*it).z - myV1.z;
|
|
ptPos += stride;
|
|
|
|
CHECK_VERTEX_BUFFER(vb, ptPos);
|
|
((CVector *) ptPos)->x = (*it).x - myV2.x;
|
|
((CVector *) ptPos)->y = (*it).y - myV2.y;
|
|
((CVector *) ptPos)->z = (*it).z - myV2.z;
|
|
ptPos += stride;
|
|
++it;
|
|
}
|
|
}
|
|
}
|
|
else // independant sizes
|
|
{
|
|
const CVector v1 = CPSUtil::getCos((sint32) la._Angle2D) * I + CPSUtil::getSin((sint32) la._Angle2D) * K;
|
|
const CVector v2 = - CPSUtil::getSin((sint32) la._Angle2D) * I + CPSUtil::getCos((sint32) la._Angle2D) * K;
|
|
|
|
float *currentSize2;
|
|
float secondSize;
|
|
uint32 currentSizeStep2;
|
|
if (la._SecondSize.getSizeScheme())
|
|
{
|
|
currentSize2 = (float *) la._SecondSize.getSizeScheme()->make(la._Owner, size- leftToDo, pSecondSizes, sizeof(float), toProcess, true, srcStep);
|
|
currentSizeStep2 = 1;
|
|
}
|
|
else
|
|
{
|
|
secondSize = la._SecondSize.getSize();
|
|
currentSize2 = &secondSize;
|
|
currentSizeStep2 = 0;
|
|
}
|
|
|
|
|
|
while (it != endIt)
|
|
{
|
|
CHECK_VERTEX_BUFFER(vb, ptPos);
|
|
((CVector *) ptPos)->x = (*it).x - *currentSize * v1.x + *currentSize2 * v2.x;
|
|
((CVector *) ptPos)->y = (*it).y - *currentSize * v1.y + *currentSize2 * v2.y;
|
|
((CVector *) ptPos)->z = (*it).z - *currentSize * v1.z + *currentSize2 * v2.z;
|
|
ptPos += stride;
|
|
|
|
CHECK_VERTEX_BUFFER(vb, ptPos);
|
|
((CVector *) ptPos)->x = (*it).x + *currentSize * v1.x + *currentSize2 * v2.x;
|
|
((CVector *) ptPos)->y = (*it).y + *currentSize * v1.y + *currentSize2 * v2.y;
|
|
((CVector *) ptPos)->z = (*it).z + *currentSize * v1.z + *currentSize2 * v2.z;
|
|
ptPos += stride;
|
|
|
|
CHECK_VERTEX_BUFFER(vb, ptPos);
|
|
((CVector *) ptPos)->x = (*it).x + *currentSize * v1.x - *currentSize2 * v2.x;
|
|
((CVector *) ptPos)->y = (*it).y + *currentSize * v1.y - *currentSize2 * v2.y;
|
|
((CVector *) ptPos)->z = (*it).z + *currentSize * v1.z - *currentSize2 * v2.z;
|
|
ptPos += stride;
|
|
|
|
CHECK_VERTEX_BUFFER(vb, ptPos);
|
|
((CVector *) ptPos)->x = (*it).x - *currentSize * v1.x - *currentSize2 * v2.x;
|
|
((CVector *) ptPos)->y = (*it).y - *currentSize * v1.y - *currentSize2 * v2.y;
|
|
((CVector *) ptPos)->z = (*it).z - *currentSize * v1.z - *currentSize2 * v2.z;
|
|
ptPos += stride;
|
|
++it;
|
|
currentSize += currentSizeStep;
|
|
currentSize2 += currentSizeStep2;
|
|
}
|
|
}
|
|
//tmp
|
|
//uint64 startTick = NLMISC::CTime::getPerformanceTime();
|
|
vba.unlock();
|
|
driver->activeVertexBuffer(vb);
|
|
driver->renderRawQuads(la._Mat, 0, toProcess);
|
|
//PSLookAtRenderTime += NLMISC::CTime::getPerformanceTime() - startTick;
|
|
}
|
|
else
|
|
{
|
|
// perform motion, blur, we need an iterator on speed
|
|
// independant sizes and rotation not supported for now with motion blur
|
|
const CVector v1 = I + K;
|
|
const CVector v2 = K - I;
|
|
CVector startV, endV, mbv1, mbv1n, mbv12, mbv2;
|
|
// norme of the v1 vect
|
|
float n;
|
|
const float epsilon = 10E-5f;
|
|
const float normEpsilon = 10E-6f;
|
|
|
|
CMatrix tMat = la.getViewMat() * la._Owner->getLocalToWorldMatrix();
|
|
|
|
while (it != endIt)
|
|
{
|
|
// project the speed in the projection plane
|
|
// this give us the v1 vect
|
|
startV = tMat * *it ;
|
|
endV = tMat * (*it + *speedIt);
|
|
if (startV.y > epsilon || endV.y > epsilon)
|
|
{
|
|
if (startV.y < epsilon)
|
|
{
|
|
if (fabsf(endV.y - startV.y) > normEpsilon)
|
|
{
|
|
startV = endV + (endV.y - epsilon) / (endV.y - startV.y) * (startV - endV);
|
|
}
|
|
startV.y = epsilon;
|
|
}
|
|
else if (endV.y < epsilon)
|
|
{
|
|
if (fabsf(endV.y - startV.y) > normEpsilon)
|
|
{
|
|
endV = startV + (startV.y - epsilon) / (startV.y - endV.y) * (endV - startV);
|
|
}
|
|
endV.y = epsilon;
|
|
}
|
|
|
|
mbv1 = (startV.x / startV.y - endV.x / endV.y) * I
|
|
+ (startV.z / startV.y - endV.z / endV.y) * K ;
|
|
|
|
n = mbv1.norm();
|
|
if (n > la._Threshold)
|
|
{
|
|
mbv1 *= la._Threshold / n;
|
|
n = la._Threshold;
|
|
}
|
|
if (n > normEpsilon)
|
|
{
|
|
mbv1n = mbv1 / n;
|
|
mbv2 = *currentSize * (J ^ mbv1n);
|
|
mbv12 = -*currentSize * mbv1n;
|
|
mbv1 *= *currentSize * (1 + la._MotionBlurCoeff * n * n) / n;
|
|
|
|
*(CVector *) ptPos = *it - mbv2;
|
|
*(CVector *) (ptPos + stride) = *it + mbv1;
|
|
*(CVector *) (ptPos + stride2) = *it + mbv2;
|
|
*(CVector *) (ptPos + stride3) = *it + mbv12;
|
|
|
|
|
|
CHECK_VERTEX_BUFFER(vb, ptPos);
|
|
((CVector *) ptPos)->x = (*it).x - mbv2.x;
|
|
((CVector *) ptPos)->y = (*it).y - mbv2.y;
|
|
((CVector *) ptPos)->z = (*it).z - mbv2.z;
|
|
|
|
CHECK_VERTEX_BUFFER(vb, ptPos + stride);
|
|
((CVector *) (ptPos + stride))->x = (*it).x + mbv1.x;
|
|
((CVector *) (ptPos + stride))->y = (*it).y + mbv1.y;
|
|
((CVector *) (ptPos + stride))->z = (*it).z + mbv1.z;
|
|
|
|
CHECK_VERTEX_BUFFER(vb, ptPos + stride2);
|
|
((CVector *) (ptPos + stride2))->x = (*it).x + mbv2.x;
|
|
((CVector *) (ptPos + stride2))->y = (*it).y + mbv2.y;
|
|
((CVector *) (ptPos + stride2))->z = (*it).z + mbv2.z;
|
|
|
|
|
|
CHECK_VERTEX_BUFFER(vb, ptPos + stride3);
|
|
((CVector *) (ptPos + stride3))->x = (*it).x + mbv12.x;
|
|
((CVector *) (ptPos + stride3))->y = (*it).y + mbv12.y;
|
|
((CVector *) (ptPos + stride3))->z = (*it).z + mbv12.z;
|
|
|
|
}
|
|
else // speed too small, we must avoid imprecision
|
|
{
|
|
CHECK_VERTEX_BUFFER(vb, ptPos);
|
|
((CVector *) ptPos)->x = (*it).x - *currentSize * v2.x;
|
|
((CVector *) ptPos)->y = (*it).y - *currentSize * v2.y;
|
|
((CVector *) ptPos)->z = (*it).z - *currentSize * v2.z;
|
|
|
|
CHECK_VERTEX_BUFFER(vb, ptPos + stride);
|
|
((CVector *) (ptPos + stride))->x = (*it).x + *currentSize * v1.x;
|
|
((CVector *) (ptPos + stride))->y = (*it).y + *currentSize * v1.y;
|
|
((CVector *) (ptPos + stride))->z = (*it).z + *currentSize * v1.z;
|
|
|
|
CHECK_VERTEX_BUFFER(vb, ptPos + stride2);
|
|
((CVector *) (ptPos + stride2))->x = (*it).x + *currentSize * v2.x;
|
|
((CVector *) (ptPos + stride2))->y = (*it).y + *currentSize * v2.y;
|
|
((CVector *) (ptPos + stride2))->z = (*it).z + *currentSize * v2.z;
|
|
|
|
|
|
CHECK_VERTEX_BUFFER(vb, ptPos + stride3);
|
|
((CVector *) (ptPos + stride3))->x = (*it).x - *currentSize * v1.x;
|
|
((CVector *) (ptPos + stride3))->y = (*it).y - *currentSize * v1.y;
|
|
((CVector *) (ptPos + stride3))->z = (*it).z - *currentSize * v1.z;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
|
|
CHECK_VERTEX_BUFFER(vb, ptPos);
|
|
((CVector *) ptPos)->x = (*it).x - *currentSize * v2.x;
|
|
((CVector *) ptPos)->y = (*it).y - *currentSize * v2.y;
|
|
((CVector *) ptPos)->z = (*it).z - *currentSize * v2.z;
|
|
|
|
CHECK_VERTEX_BUFFER(vb, ptPos + stride);
|
|
((CVector *) (ptPos + stride))->x = (*it).x + *currentSize * v1.x;
|
|
((CVector *) (ptPos + stride))->y = (*it).y + *currentSize * v1.y;
|
|
((CVector *) (ptPos + stride))->z = (*it).z + *currentSize * v1.z;
|
|
|
|
CHECK_VERTEX_BUFFER(vb, ptPos + stride2);
|
|
((CVector *) (ptPos + stride2))->x = (*it).x + *currentSize * v2.x;
|
|
((CVector *) (ptPos + stride2))->y = (*it).y + *currentSize * v2.y;
|
|
((CVector *) (ptPos + stride2))->z = (*it).z + *currentSize * v2.z;
|
|
|
|
|
|
CHECK_VERTEX_BUFFER(vb, ptPos + stride3);
|
|
((CVector *) (ptPos + stride3))->x = (*it).x - *currentSize * v1.x;
|
|
((CVector *) (ptPos + stride3))->y = (*it).y - *currentSize * v1.y;
|
|
((CVector *) (ptPos + stride3))->z = (*it).z - *currentSize * v1.z;
|
|
}
|
|
|
|
ptPos += stride4;
|
|
++it;
|
|
++speedIt;
|
|
currentSize += currentSizeStep;
|
|
}
|
|
//uint64 startTick = NLMISC::CTime::getPerformanceTime();
|
|
vba.unlock();
|
|
driver->activeVertexBuffer(vb);
|
|
driver->renderRawQuads(la._Mat, 0, toProcess);
|
|
//PSLookAtRenderTime += NLMISC::CTime::getPerformanceTime() - startTick;
|
|
}
|
|
leftToDo -= toProcess;
|
|
}
|
|
while (leftToDo);
|
|
}
|
|
else
|
|
{
|
|
float pAngles[CPSQuad::quadBufSize]; // the angles to use
|
|
float *currentAngle;
|
|
do
|
|
{
|
|
toProcess = leftToDo <= (uint32) CPSQuad::quadBufSize ? leftToDo : (uint32) CPSQuad::quadBufSize;
|
|
vb.setNumVertices(4 * toProcess);
|
|
// restart at the beginning of the vertex buffer
|
|
CVertexBufferReadWrite vba;
|
|
vb.lock (vba);
|
|
ptPos = (uint8 *) vba.getVertexCoordPointer();
|
|
if (la._SizeScheme)
|
|
{
|
|
currentSize = (float *) la._SizeScheme->make(la._Owner, size - leftToDo, pSizes, sizeof(float), toProcess, true, srcStep);
|
|
}
|
|
else
|
|
{
|
|
currentSize = &la._ParticleSize;
|
|
}
|
|
currentAngle = (float *) la._Angle2DScheme->make(la._Owner, size - leftToDo, pAngles, sizeof(float), toProcess, true, srcStep);
|
|
la.updateVbColNUVForRender(vb, size - leftToDo, toProcess, srcStep, *driver);
|
|
/*
|
|
static bool fakeColors = false;
|
|
if (fakeColors)
|
|
{
|
|
uint8 *col = (uint8 *) vba.getColorPointer();
|
|
uint left = toProcess;
|
|
while(left--)
|
|
{
|
|
* (CRGBA *) col = CRGBA::Red;
|
|
col += stride;
|
|
* (CRGBA *) col = CRGBA::Red;
|
|
col += stride;
|
|
* (CRGBA *) col = CRGBA::Red;
|
|
col += stride;
|
|
* (CRGBA *) col = CRGBA::Red;
|
|
col += stride;
|
|
}
|
|
}
|
|
*/
|
|
//nlinfo("======= %s", la._Name.c_str());
|
|
T endIt = it + toProcess;
|
|
CVector v1, v2;
|
|
NLMISC::OptFastFloorBegin();
|
|
if (!la._IndependantSizes)
|
|
{
|
|
while (it != endIt)
|
|
{
|
|
const uint32 tabIndex = ((NLMISC::OptFastFloor(*currentAngle)) & 0xff) << 2;
|
|
// lets avoid some ctor calls
|
|
v1.x = *currentSize * (rotTable[tabIndex] * I.x + rotTable[tabIndex + 1] * K.x);
|
|
v1.y = *currentSize * (rotTable[tabIndex] * I.y + rotTable[tabIndex + 1] * K.y);
|
|
v1.z = *currentSize * (rotTable[tabIndex] * I.z + rotTable[tabIndex + 1] * K.z);
|
|
|
|
v2.x = *currentSize * (rotTable[tabIndex + 2] * I.x + rotTable[tabIndex + 3] * K.x);
|
|
v2.y = *currentSize * (rotTable[tabIndex + 2] * I.y + rotTable[tabIndex + 3] * K.y);
|
|
v2.z = *currentSize * (rotTable[tabIndex + 2] * I.z + rotTable[tabIndex + 3] * K.z);
|
|
|
|
CHECK_VERTEX_BUFFER(vb, ptPos);
|
|
CHECK_VERTEX_BUFFER(vb, ptPos + stride);
|
|
CHECK_VERTEX_BUFFER(vb, ptPos + stride2);
|
|
CHECK_VERTEX_BUFFER(vb, ptPos + stride3);
|
|
|
|
((CVector *) ptPos)->x = (*it).x + v1.x;
|
|
((CVector *) ptPos)->y = (*it).y + v1.y;
|
|
((CVector *) ptPos)->z = (*it).z + v1.z;
|
|
//nlinfo("** %f, %f, %f", ((CVector *) ptPos)->x, ((CVector *) ptPos)->y, ((CVector *) ptPos)->z);
|
|
ptPos += stride;
|
|
|
|
|
|
|
|
((CVector *) ptPos)->x = (*it).x + v2.x;
|
|
((CVector *) ptPos)->y = (*it).y + v2.y;
|
|
((CVector *) ptPos)->z = (*it).z + v2.z;
|
|
//nlinfo("%f, %f, %f", ((CVector *) ptPos)->x, ((CVector *) ptPos)->y, ((CVector *) ptPos)->z);
|
|
ptPos += stride;
|
|
|
|
((CVector *) ptPos)->x = (*it).x - v1.x;
|
|
((CVector *) ptPos)->y = (*it).y - v1.y;
|
|
((CVector *) ptPos)->z = (*it).z - v1.z;
|
|
//nlinfo("%f, %f, %f", ((CVector *) ptPos)->x, ((CVector *) ptPos)->y, ((CVector *) ptPos)->z);
|
|
ptPos += stride;
|
|
|
|
((CVector *) ptPos)->x = (*it).x - v2.x;
|
|
((CVector *) ptPos)->y = (*it).y - v2.y;
|
|
((CVector *) ptPos)->z = (*it).z - v2.z;
|
|
//nlinfo("%f, %f, %f", ((CVector *) ptPos)->x, ((CVector *) ptPos)->y, ((CVector *) ptPos)->z);
|
|
ptPos += stride;
|
|
|
|
++it;
|
|
currentSize += currentSizeStep;
|
|
++currentAngle;
|
|
}
|
|
}
|
|
else // independant size, and non-constant rotation
|
|
{
|
|
|
|
float *currentSize2;
|
|
float secondSize;
|
|
uint32 currentSizeStep2;
|
|
if (la._SecondSize.getSizeScheme())
|
|
{
|
|
currentSize2 = (float *) la._SecondSize.getSizeScheme()->make(la._Owner, size- leftToDo, pSecondSizes, sizeof(float), toProcess, true, srcStep);
|
|
currentSizeStep2 = 1;
|
|
}
|
|
else
|
|
{
|
|
secondSize = la._SecondSize.getSize();
|
|
currentSize2 = &secondSize;
|
|
currentSizeStep2 = 0;
|
|
}
|
|
|
|
float cosAngle, sinAngle;
|
|
while (it != endIt)
|
|
{
|
|
cosAngle = CPSUtil::getCos((sint32) *currentAngle);
|
|
sinAngle = CPSUtil::getSin((sint32) *currentAngle);
|
|
v1 = cosAngle * I + sinAngle * K;
|
|
v2 = - sinAngle * I + cosAngle * K;
|
|
|
|
CHECK_VERTEX_BUFFER(vb, ptPos);
|
|
((CVector *) ptPos)->x = (*it).x - *currentSize * v1.x + *currentSize2 * v2.x;
|
|
((CVector *) ptPos)->y = (*it).y - *currentSize * v1.y + *currentSize2 * v2.y;
|
|
((CVector *) ptPos)->z = (*it).z - *currentSize * v1.z + *currentSize2 * v2.z;
|
|
ptPos += stride;
|
|
|
|
CHECK_VERTEX_BUFFER(vb, ptPos);
|
|
((CVector *) ptPos)->x = (*it).x + *currentSize * v1.x + *currentSize2 * v2.x;
|
|
((CVector *) ptPos)->y = (*it).y + *currentSize * v1.y + *currentSize2 * v2.y;
|
|
((CVector *) ptPos)->z = (*it).z + *currentSize * v1.z + *currentSize2 * v2.z;
|
|
ptPos += stride;
|
|
|
|
CHECK_VERTEX_BUFFER(vb, ptPos);
|
|
((CVector *) ptPos)->x = (*it).x + *currentSize * v1.x - *currentSize2 * v2.x;
|
|
((CVector *) ptPos)->y = (*it).y + *currentSize * v1.y - *currentSize2 * v2.y;
|
|
((CVector *) ptPos)->z = (*it).z + *currentSize * v1.z - *currentSize2 * v2.z;
|
|
ptPos += stride;
|
|
|
|
CHECK_VERTEX_BUFFER(vb, ptPos);
|
|
((CVector *) ptPos)->x = (*it).x - *currentSize * v1.x - *currentSize2 * v2.x;
|
|
((CVector *) ptPos)->y = (*it).y - *currentSize * v1.y - *currentSize2 * v2.y;
|
|
((CVector *) ptPos)->z = (*it).z - *currentSize * v1.z - *currentSize2 * v2.z;
|
|
ptPos += stride;
|
|
++it;
|
|
++currentAngle;
|
|
currentSize += currentSizeStep;
|
|
currentSize2 += currentSizeStep2;
|
|
}
|
|
}
|
|
NLMISC::OptFastFloorEnd();
|
|
//tmp
|
|
// uint64 startTick = NLMISC::CTime::getPerformanceTime();
|
|
vba.unlock();
|
|
driver->activeVertexBuffer(vb);
|
|
driver->renderRawQuads(la._Mat, 0, toProcess);
|
|
//PSLookAtRenderTime += NLMISC::CTime::getPerformanceTime() - startTick;*/
|
|
leftToDo -= toProcess;
|
|
}
|
|
while (leftToDo);
|
|
}
|
|
PARTICLES_CHECK_MEM;
|
|
}
|
|
};
|
|
|
|
///===========================================================================================
|
|
void CPSFaceLookAt::draw(bool opaque)
|
|
{
|
|
// if (!FilterPS[2]) return;
|
|
NL_PS_FUNC(CPSFaceLookAt_draw)
|
|
PARTICLES_CHECK_MEM;
|
|
if (!_Owner->getSize()) return;
|
|
uint32 step;
|
|
uint numToProcess;
|
|
computeSrcStep(step, numToProcess);
|
|
if (!numToProcess) return;
|
|
|
|
if (step == (1 << 16))
|
|
{
|
|
if (!_AlignOnMotion)
|
|
{
|
|
CPSFaceLookAtHelper::drawLookAt(_Owner->getPos().begin(),
|
|
_Owner->getSpeed().begin(),
|
|
*this,
|
|
numToProcess,
|
|
step
|
|
);
|
|
}
|
|
else
|
|
{
|
|
CPSFaceLookAtHelper::drawLookAtAlignOnMotion(_Owner->getPos().begin(),
|
|
_Owner->getSpeed().begin(),
|
|
*this,
|
|
numToProcess,
|
|
step
|
|
);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if (!_AlignOnMotion)
|
|
{
|
|
CPSFaceLookAtHelper::drawLookAt(TIteratorVectStep1616(_Owner->getPos().begin(), 0, step),
|
|
TIteratorVectStep1616(_Owner->getSpeed().begin(), 0, step),
|
|
*this,
|
|
numToProcess,
|
|
step
|
|
);
|
|
}
|
|
else
|
|
{
|
|
CPSFaceLookAtHelper::drawLookAtAlignOnMotion(TIteratorVectStep1616(_Owner->getPos().begin(), 0, step),
|
|
TIteratorVectStep1616(_Owner->getSpeed().begin(), 0, step),
|
|
*this,
|
|
numToProcess,
|
|
step
|
|
);
|
|
}
|
|
}
|
|
PARTICLES_CHECK_MEM;
|
|
}
|
|
|
|
///===========================================================================================
|
|
CPSFaceLookAt::CPSFaceLookAt(CSmartPtr<ITexture> tex) : CPSQuad(tex),
|
|
_MotionBlurCoeff(0.f),
|
|
_Threshold(0.5f),
|
|
_IndependantSizes(false),
|
|
_AlignOnMotion(false),
|
|
_AlignOnZAxis(false)
|
|
{
|
|
NL_PS_FUNC(CPSFaceLookAt_CPSFaceLookAt)
|
|
_SecondSize.Owner = this;
|
|
if (CParticleSystem::getSerializeIdentifierFlag()) _Name = std::string("LookAt");
|
|
}
|
|
|
|
///===========================================================================================
|
|
void CPSFaceLookAt::newElement(const CPSEmitterInfo &info)
|
|
{
|
|
NL_PS_FUNC(CPSFaceLookAt_newElement)
|
|
CPSQuad::newElement(info);
|
|
newAngle2DElement(info);
|
|
}
|
|
|
|
///===========================================================================================
|
|
void CPSFaceLookAt::deleteElement(uint32 index)
|
|
{
|
|
NL_PS_FUNC(CPSFaceLookAt_deleteElement)
|
|
CPSQuad::deleteElement(index);
|
|
deleteAngle2DElement(index);
|
|
}
|
|
|
|
///===========================================================================================
|
|
void CPSFaceLookAt::resize(uint32 capacity)
|
|
{
|
|
NL_PS_FUNC(CPSFaceLookAt_resize)
|
|
nlassert(capacity < (1 << 16));
|
|
CPSQuad::resize(capacity);
|
|
resizeAngle2D(capacity);
|
|
}
|
|
|
|
|
|
///===========================================================================================
|
|
void CPSFaceLookAt::serial(NLMISC::IStream &f) throw(NLMISC::EStream)
|
|
{
|
|
NL_PS_FUNC(CPSFaceLookAt_serial)
|
|
// version 4 : added 'align on z-axis' flag
|
|
// version 3 : added 'align on motion' flag
|
|
sint ver = f.serialVersion(4);
|
|
CPSQuad::serial(f);
|
|
CPSRotated2DParticle::serialAngle2DScheme(f);
|
|
f.serial(_MotionBlurCoeff);
|
|
if (_MotionBlurCoeff != 0)
|
|
{
|
|
f.serial(_Threshold);
|
|
}
|
|
if (ver > 1)
|
|
{
|
|
f.serial(_IndependantSizes);
|
|
if (_IndependantSizes)
|
|
{
|
|
_SecondSize.serialSizeScheme(f);
|
|
}
|
|
}
|
|
if (ver >= 3)
|
|
{
|
|
f.serial(_AlignOnMotion);
|
|
}
|
|
if (ver >= 4)
|
|
{
|
|
f.serial(_AlignOnZAxis);
|
|
}
|
|
if (f.isReading())
|
|
{
|
|
init();
|
|
}
|
|
}
|
|
|
|
} // NL3D
|