// *****************************************************************************
int outputToGto( const char *filename, bool ascii, bool verbose )
{
using namespace HGto;
if( verbose ) std::cerr << "Loading from stdin..." << std::flush;
GU_Detail gdp;
if( gdp.load( std::cin ) < 0 )
{
std::cerr << "Unable to load input geometry" << std::endl;
exit(1);
}
if( verbose ) std::cerr << "Done" << std::endl;
if( verbose ) std::cerr << "Building GTO Data..." << std::flush;
std::vector<Object *> Objects;
Poly gtoPoly( "hPolyShape" ); // There is only ever 1 poly shape?
if( verbose ) std::cerr << "Found " << gdp.primitives().entries() << " primitives." << std::endl;
for( size_t i = 0; i < gdp.primitives().entries(); ++i )
{
const GEO_Primitive *prim = gdp.primitives()(i);
if( const GEO_PrimPoly *poly = dynamic_cast<const GEO_PrimPoly *>( prim ) )
{
gtoPoly.addFace( poly );
}
else if( const GEO_PrimParticle *particle = dynamic_cast<const GEO_PrimParticle *>( prim ) )
{
Objects.push_back( new Particle( particle ) );
}
// else if( const GEO_PrimNURBSurf *nurbs = dynamic_cast<const GEO_PrimNURBSurf *>( prim ) )
// {
// Objects.push_back( new NURBS( nurbs ) );
// }
else
{
if(verbose) std::cerr << "Unknown object: " << prim->getPrimitiveId() << std::endl;
}
}
gtoPoly.getVertices( gdp.points() );
if( verbose ) std::cerr << "Done" << std::endl;
try
{
if( verbose ) std::cerr << "Writing GTO File..." << std::flush;
Gto::Writer writer;
writer.open( filename, ascii ? Gto::Writer::TextGTO : Gto::Writer::CompressedGTO );
gtoPoly.writeHeader( writer );
for( int i = 0; i < Objects.size(); ++i ) Objects[i]->writeHeader( writer );
writer.beginData();
gtoPoly.writeData( writer );
for( int i = 0; i < Objects.size(); ++i ) Objects[i]->writeData( writer );
writer.endData();
writer.close();
if( verbose ) std::cerr << "Done" << std::endl;
}
catch( std::exception &e )
{
std::cerr << "hgto::exception: " << e.what() << std::endl;
exit(-1);
}
return 0;
}
OP_ERROR SOP_CudaParticles::cookMySop(OP_Context &context) {
oldf = f;
f = context.getFrame();
GEO_ParticleVertex* pvtx;
double t = context.getTime();
particlesSystem->dt = 1/(OPgetDirector()->getChannelManager()->getSamplesPerSec() * SUBSTEPS(t));
particlesSystem->preview = PREVIEW(t);
particlesSystem->partsLife = LIFE(t);
particlesSystem->partsLifeVar = LIFEVAR(t);
particlesSystem->velDamp = VELDAMP(t);
particlesSystem->gravityStrength = GRAVITYSTR(t);
particlesSystem->gravityDir = cu::make_float3(GRAVITYX(t),GRAVITYY(t),GRAVITYZ(t));
particlesSystem->fluidStrength = FLUIDSTR(t);
particlesSystem->noiseAmp = cu::make_float3(NOISEAMP(t),NOISEAMP(t),NOISEAMP(t));
particlesSystem->noiseOct = NOISEOCT(t);
particlesSystem->noiseFreq = NOISEFREQ(t);
particlesSystem->noiseLac = NOISELACUN(t);
particlesSystem->noiseOffset = cu::make_float3(NOISEOFFSETX(t),NOISEOFFSETY(t),NOISEOFFSETZ(t));
particlesSystem->pointSize = POINTSIZE(t);
particlesSystem->opacity = OPACITY(t);
particlesSystem->startColor = cu::make_float3(STARTCOLORX(t),STARTCOLORY(t),STARTCOLORZ(t));
particlesSystem->endColor = cu::make_float3(ENDCOLORX(t),ENDCOLORY(t),ENDCOLORZ(t));
UT_Interrupt *boss;
OP_Node::flags().timeDep = 1;
if (error() < UT_ERROR_ABORT) {
boss = UTgetInterrupt();
// Start the interrupt server
if (boss->opStart("Building Particles")){
//gdp->clearAndDestroy();
static float zero = 0.0;
GB_AttributeRef partsAtt = gdp->addAttrib("cudaParticlesPreview", sizeof(int), GB_ATTRIB_INT, &zero);
gdp->attribs().getElement().setValue<int>(partsAtt, particlesSystem->preview);
GB_AttributeRef systemIdAtt = gdp->addAttrib("systemId", sizeof(int), GB_ATTRIB_INT, &zero);
gdp->attribs().getElement().setValue<int>(systemIdAtt, particlesSystem->id);
if (f < STARTFRAME(t)) {
gdp->clearAndDestroy();
particlesSystem->resetParticles();
} else if (f == STARTFRAME(t)) {
gdp->clearAndDestroy();
particlesSystem->resetParticles();
int maxParts = MAXPARTS(t);
if (particlesSystem->nParts!=maxParts)
particlesSystem->changeMaxParts(maxParts);
//hSystem = (GEO_PrimParticle *)gdp->appendPrimitive(GEOPRIMPART);
//hSystem->clearAndDestroy();
GB_AttributeRef hVelocity = gdp->addPointAttrib("v", sizeof(UT_Vector3),GB_ATTRIB_VECTOR, 0);
GB_AttributeRef hLife = gdp->addPointAttrib("life", sizeof(float)*2,GB_ATTRIB_FLOAT, 0);
if(particlesSystem->preview!=1) {
UT_Vector4 orig = UT_Vector4(0,0,0,1);
for (int i = 0; i<particlesSystem->nParts; i++) {
GEO_Point* newPoint = gdp->appendPoint();
newPoint->setPos(orig);
/*pvtx = hSystem->giveBirth();
GEO_Point* ppt = pvtx->getPt();
//ppt->getPos().assign(0,0,0,1);*/
hSystemInit = 1;
}
}
} else {
if(particlesSystem->nParts != -1) {
if(lockInputs(context) >= UT_ERROR_ABORT)
return error();
if(getInput(0)){
GU_Detail* emittersInput = (GU_Detail*)inputGeo(0, context);
GEO_PointList emittersList = emittersInput->points();
int numEmitters = emittersList.entries();
if (numEmitters != particlesSystem->nEmit) {
delete particlesSystem->emitters;
particlesSystem->nEmit = numEmitters;
particlesSystem->emitters = new ParticlesEmitter[numEmitters];
}
GEO_AttributeHandle radAh, amountAh;
GEO_AttributeHandle initVelAh, radVelAmpAh, noiseVelAmpAh,
noiseVelOffsetAh, noiseVelOctAh, noiseVelLacAh, noiseVelFreqAh;
radAh = emittersInput->getPointAttribute("radius");
amountAh = emittersInput->getPointAttribute("amount");
initVelAh = emittersInput->getPointAttribute("initVel");
radVelAmpAh = emittersInput->getPointAttribute("radVelAmp");
noiseVelAmpAh = emittersInput->getPointAttribute("noiseVelAmp");
noiseVelOffsetAh = emittersInput->getPointAttribute("noiseVelOffset");
noiseVelOctAh = emittersInput->getPointAttribute("noiseVelOct");
noiseVelLacAh = emittersInput->getPointAttribute("noiseVelLac");
noiseVelFreqAh = emittersInput->getPointAttribute("noiseVelFreq");
for (int i = 0; i < numEmitters; i++) {
UT_Vector4 emitPos = emittersList[i]->getPos();
UT_Vector3 emitPos3(emitPos);
particlesSystem->emitters[i].posX = emitPos.x();
particlesSystem->emitters[i].posY = emitPos.y();
particlesSystem->emitters[i].posZ = emitPos.z();
radAh.setElement(emittersList[i]);
amountAh.setElement(emittersList[i]);
initVelAh.setElement(emittersList[i]);
radVelAmpAh.setElement(emittersList[i]);
noiseVelAmpAh.setElement(emittersList[i]);
noiseVelOffsetAh.setElement(emittersList[i]);
noiseVelOctAh.setElement(emittersList[i]);
noiseVelLacAh.setElement(emittersList[i]);
noiseVelFreqAh.setElement(emittersList[i]);
particlesSystem->emitters[i].radius = radAh.getF(0);
particlesSystem->emitters[i].amount = amountAh.getF(0);
particlesSystem->emitters[i].velX = initVelAh.getF(0);
particlesSystem->emitters[i].velY = initVelAh.getF(1);
particlesSystem->emitters[i].velZ = initVelAh.getF(2);
particlesSystem->emitters[i].radVelAmp = radVelAmpAh.getF(0);
particlesSystem->emitters[i].noiseVelAmpX = noiseVelAmpAh.getF(0);
particlesSystem->emitters[i].noiseVelAmpY = noiseVelAmpAh.getF(1);
particlesSystem->emitters[i].noiseVelAmpZ = noiseVelAmpAh.getF(2);
particlesSystem->emitters[i].noiseVelOffsetX = noiseVelOffsetAh.getF(0);
particlesSystem->emitters[i].noiseVelOffsetY = noiseVelOffsetAh.getF(1);
particlesSystem->emitters[i].noiseVelOffsetZ = noiseVelOffsetAh.getF(2);
particlesSystem->emitters[i].noiseVelOct = noiseVelOctAh.getF(0);
particlesSystem->emitters[i].noiseVelLac = noiseVelLacAh.getF(0);
particlesSystem->emitters[i].noiseVelFreq = noiseVelFreqAh.getF(0);
}
} else {
particlesSystem->nEmit = 0;
}
if(getInput(1)){
GU_Detail* fluidInput = (GU_Detail*)inputGeo(1, context);
GEO_AttributeHandle fluidIdAh= fluidInput->getDetailAttribute("solverId");
fluidIdAh.setElement(fluidInput);
int sId = fluidIdAh.getI();
VHFluidSolver3D* curr3DSolver = VHFluidSolver3D::solverList[sId];
particlesSystem->fluidSolver = curr3DSolver;
}
unlockInputs();
if (f!=oldf) {
particlesSystem->emitParticles();
particlesSystem->updateParticles();
}
if(particlesSystem->preview!=1 && hSystemInit == 1) {
cu::cudaMemcpy( particlesSystem->host_pos, particlesSystem->dev_pos,
particlesSystem->nParts*sizeof(cu::float3), cu::cudaMemcpyDeviceToHost );
GEO_Point* ppt;
int i = 0;
UT_Vector4 p;
FOR_ALL_GPOINTS(gdp, ppt) {
ppt->getPos() = UT_Vector4(particlesSystem->host_pos[i*3],
particlesSystem->host_pos[i*3+1],
particlesSystem->host_pos[i*3+2],
1);
i++;
}
/*pvtx = hSystem->iterateInit();
for (int i =0; i<particlesSystem->nParts; i++){
pvtx->getPos().assign(particlesSystem->host_pos[i*3],
particlesSystem->host_pos[i*3+1],
particlesSystem->host_pos[i*3+2],
1);
pvtx = hSystem->iterateFastNext(pvtx);
}*/
}
}
}
int
main(int argc, char *argv[])
{
// Init:
CMD_Args args;
args.initialize(argc, argv);
args.stripOptions("r:v");
if (args.argc() < 3)
{
usage(argv[0]);
return 1;
}
// Options:
int res = 256;
int verbose = 0;
if(args.found('r')) res = atoi(args.argp('r'));
if(args.found('v')) verbose = 1;
UT_String dcm_file, gdp_file;
gdp_file.harden(argv[argc-2]);
dcm_file.harden(argv[argc-1]);
#if 1
// Open GDP with samples:
GU_Detail gdp;
UT_BoundingBox bbox;
if (!gdp.load(gdp_file, 0).success())
{
cerr << "Cant open " << gdp_file << endl;
return 1;
}
// Points arrays and bbox details:
gdp.getBBox(&bbox);
int range = gdp.getNumPoints();
UT_Vector3Array positions(range);
UT_ValArray<int> indices(range);
const GEO_Point *ppt;
const GEO_PointList plist = gdp.points();
for (int i = 0; i < gdp.getNumPoints(); i++)
{
ppt = plist(i);
UT_Vector3 pos = ppt->getPos3();
positions.append(pos);
indices.append(i);
}
if (verbose)
cout << "Points in gdp : " << positions.entries() << endl;
// Point Grid structures/objects:
UT_Vector3Point accessor(positions, indices);
UT_PointGrid<UT_Vector3Point> pointgrid(accessor);
// Can we build it?
if (!pointgrid.canBuild(res, res, res))
{
cout << "Can't build the grid!" << endl;
return 1;
}
// Build it:
pointgrid.build(bbox.minvec(), bbox.size(), res, res, res);
if (verbose)
{
cout << "Point grid res : " << res << "x" << res << "x" << res << endl;
cout << "Bounding box size : " << bbox.size().x() << ", " << bbox.size().y() << ", " << bbox.size().z() << endl;
cout << "Bounding box center: " << bbox.center().x() << ", " << bbox.center().y() << ", " << bbox.center().z() << endl;
cout << "Pointgrid mem size : " << pointgrid.getMemoryUsage() << endl;
cout << "Voxel size is : " << pointgrid.getVoxelSize() << endl;
cout << "Total grid points : " << pointgrid.entries() << endl;
}
#endif
// Open rat (our random access, variable array length storage):
IMG_DeepShadow dsm;
dsm.setOption("compression", "0");
dsm.setOption("zbias", "0.05");
dsm.setOption("depth_mode", "nearest");
dsm.setOption("depth_interp", "discrete");
dsm.open(dcm_file, res*res, res);
dsm.getTBFOptions()->setOptionV3("bbox:min" , bbox.minvec());
dsm.getTBFOptions()->setOptionV3("bbox:max" , bbox.maxvec());
if (verbose)
cout << "DCM created res : " << res*res << "x" << res << endl;
#if 1
// db_* debug variables...
int db_index = 0;
int db_uindex = 0;
int db_av_iter = 0;
// Put point into deep pixels:
Locker locker;
Timer timer;
timer.start();
parallel_fillDCM(res, &dsm, &pointgrid, &positions, &locker);
cout << "Creation time : " << timer.current() << endl;
if (verbose)
{
cout << "Total voxels : " << db_index << endl;
cout << "Written voxel : " << db_uindex << endl;
cout << "Points per voxel : " << (float)db_av_iter / db_uindex << endl;
}
timer.start();
dsm.close();
cout << "Saving time : " << timer.current() << endl;
if (verbose)
cout << "Deep map closed." << endl;
return 0;
#endif
}
OP_ERROR SOP_FluidSolver2D::cookMySop(OP_Context &context) {
oldf = f;
double t = context.getTime();
int f = context.getFrame();
UT_Interrupt *boss;
GU_PrimVolume *volume;
OP_Node::flags().timeDep = 1;
fluidSolver->fps = OPgetDirector()->getChannelManager()->getSamplesPerSec();
int newResX = RESX(t);
int newResY = RESY(t);
if ( newResX != fluidSolver->res.x || newResY != fluidSolver->res.y) {
fluidSolver->changeFluidRes(newResX,newResY);
}
UT_Vector3 fluidPos(POSX(t), POSY(t), POSZ(t));
UT_Vector3 fluidRot(ROTX(t), ROTY(t), ROTZ(t));
fluidRot.degToRad();
fluidSolver->fluidSize.x = FLUIDSIZEX(t);
fluidSolver->fluidSize.y = FLUIDSIZEY(t);
fluidSolver->borderNegX = BORDERNEGX(t);
fluidSolver->borderPosX = BORDERPOSX(t);
fluidSolver->borderNegY = BORDERNEGY(t);
fluidSolver->borderPosY = BORDERPOSY(t);
fluidSolver->preview = PREVIEW(t);
fluidSolver->previewType = PREVIEWTYPE(t);
fluidSolver->bounds = BOUNDS(t);
fluidSolver->substeps = SUBSTEPS(t);
fluidSolver->jacIter = JACITER(t);
fluidSolver->densDis = DENSDIS(t);
fluidSolver->densBuoyStrength = DENSBUOYSTRENGTH(t);
float ddirX = DENSBUOYDIRX(t);
float ddirY = DENSBUOYDIRY(t);
fluidSolver->densBuoyDir = cu::make_float2(ddirX,ddirY);
fluidSolver->velDamp = VELDAMP(t);
fluidSolver->vortConf = VORTCONF(t);
fluidSolver->noiseStr = NOISESTR(t);
fluidSolver->noiseFreq = NOISEFREQ(t);
fluidSolver->noiseOct = NOISEOCT(t);
fluidSolver->noiseLacun = NOISELACUN(t);
fluidSolver->noiseSpeed = NOISESPEED(t);
fluidSolver->noiseAmp = NOISEAMP(t);
if (error() < UT_ERROR_ABORT) {
boss = UTgetInterrupt();
gdp->clearAndDestroy();
// Start the interrupt server
if (boss->opStart("Building Volume")){
static float zero = 0.0;
#ifdef HOUDINI_11
GB_AttributeRef fluidAtt = gdp->addAttrib("cudaFluidPreview", sizeof(int), GB_ATTRIB_INT, &zero);
gdp->attribs().getElement().setValue<int>(fluidAtt, fluidSolver->preview);
GB_AttributeRef solverIdAtt = gdp->addAttrib("solverId", sizeof(int), GB_ATTRIB_INT, &zero);
gdp->attribs().getElement().setValue<int>(solverIdAtt, fluidSolver->id);
#else
GA_WOAttributeRef fluidAtt = gdp->addIntTuple(GA_ATTRIB_DETAIL, "cudaFluidPreview", 1);
gdp->element().setValue<int>(fluidAtt, fluidSolver->preview);
GA_WOAttributeRef solverIdAtt = gdp->addIntTuple(GA_ATTRIB_DETAIL, "solverId", 1);
gdp->element().setValue<int>(solverIdAtt, fluidSolver->id);
#endif
UT_Matrix3 xform;
const UT_XformOrder volXFormOrder;
volume = (GU_PrimVolume *)GU_PrimVolume::build(gdp);
#ifdef HOUDINI_11
volume->getVertex().getPt()->getPos() = fluidPos;
#else
volume->getVertexElement(0).getPt()->setPos(fluidPos);
#endif
xform.identity();
xform.scale(fluidSolver->fluidSize.x*0.5, fluidSolver->fluidSize.y*0.5, 0.25);
xform.rotate(fluidRot.x(), fluidRot.y(), fluidRot.z(), volXFormOrder);
volume->setTransform(xform);
xform.identity();
xform.rotate(fluidRot.x(), fluidRot.y(), fluidRot.z(), volXFormOrder);
xform.invert();
if(lockInputs(context) >= UT_ERROR_ABORT)
return error();
if(getInput(0)){
GU_Detail* emittersInput = (GU_Detail*)inputGeo(0, context);
GEO_PointList emittersList = emittersInput->points();
int numEmitters = emittersList.entries();
if (numEmitters != fluidSolver->nEmit) {
delete fluidSolver->emitters;
fluidSolver->nEmit = numEmitters;
fluidSolver->emitters = new FluidEmitter[numEmitters];
}
GEO_AttributeHandle radAh, amountAh;
radAh = emittersInput->getPointAttribute("radius");
amountAh = emittersInput->getPointAttribute("amount");
for (int i = 0; i < numEmitters; i++) {
UT_Vector4 emitPos = emittersList[i]->getPos();
UT_Vector3 emitPos3(emitPos);
emitPos3 -= fluidPos;
emitPos3 = emitPos3*xform;
fluidSolver->emitters[i].posX = emitPos3.x();
fluidSolver->emitters[i].posY = emitPos3.y();
radAh.setElement(emittersList[i]);
amountAh.setElement(emittersList[i]);
fluidSolver->emitters[i].radius = radAh.getF(0);
fluidSolver->emitters[i].amount = amountAh.getF(0);
}
} else {
fluidSolver->nEmit = 0;
}
if(getInput(1)) {
GU_Detail* collidersInput = (GU_Detail*)inputGeo(1, context);
GEO_PointList collidersList = collidersInput->points();
int numColliders = collidersList.entries();
if (numColliders != fluidSolver->nColliders) {
delete fluidSolver->colliders;
fluidSolver->nColliders = numColliders;
fluidSolver->colliders = new Collider[numColliders];
}
GEO_AttributeHandle colRadAh;
colRadAh = collidersInput->getPointAttribute("radius");
for (int i = 0; i < numColliders; i++) {
UT_Vector4 colPos = collidersList[i]->getPos();
UT_Vector3 colPos3(colPos);
colPos3 -= fluidPos;
colPos3 = colPos3*xform;
if (f > STARTFRAME(t)) {
fluidSolver->colliders[i].oldPosX = fluidSolver->colliders[i].posX;
fluidSolver->colliders[i].oldPosY = fluidSolver->colliders[i].posY;
} else {
fluidSolver->colliders[i].oldPosX = colPos3.x();
fluidSolver->colliders[i].oldPosY = colPos3.y();
}
fluidSolver->colliders[i].posX = colPos3.x();
fluidSolver->colliders[i].posY = colPos3.y();
colRadAh.setElement(collidersList[i]);
fluidSolver->colliders[i].radius = colRadAh.getF(0);
}
} else {
fluidSolver->nColliders = 0;
}
unlockInputs();
if (f <= STARTFRAME(t)) {
fluidSolver->resetFluid();
if (fluidSolver->preview != 1) {
{
UT_VoxelArrayWriteHandleF handle = volume->getVoxelWriteHandle();
handle->constant(0);
}
}
} else {
if (f!=oldf) {
fluidSolver->solveFluid();
}
if (fluidSolver->preview != 1) {
cu::cudaMemcpy( fluidSolver->host_dens, fluidSolver->dev_dens,
fluidSolver->res.x*fluidSolver->res.y*sizeof(float), cu::cudaMemcpyDeviceToHost );
{
UT_VoxelArrayWriteHandleF handle = volume->getVoxelWriteHandle();
handle->size(fluidSolver->res.x, fluidSolver->res.y, 1);
for (int i = 0; i < fluidSolver->res.x; i++) {
for (int j = 0; j < fluidSolver->res.y; j++) {
handle->setValue(i, j, 0, fluidSolver->host_dens[(j*fluidSolver->res.x + i)]);
}
}
}
}
}
select(GU_SPrimitive);
}
// Tell the interrupt server that we've completed. Must do this
// regardless of what opStart() returns.
boss->opEnd();
}
gdp->notifyCache(GU_CACHE_ALL);
return error();
}
void add_simple_mesh(GU_Detail& gdp,
const dgal::simple_mesh<Imath::V3f>& smesh,
const std::string& pointIDAttrib, const std::vector<int>* pointIDs,
const std::string& polyIDAttrib, const std::vector<int>* polyIDs,
const std::string& cellTypeAttrib, unsigned int cellType,
const std::string& cellIDAttrib, unsigned int cellID)
{
unsigned int first_point = gdp.points().entries();
unsigned int first_prim = gdp.primitives().entries();
// create dest points
for(std::vector<Imath::V3f>::const_iterator it=smesh.m_points.begin();
it!=smesh.m_points.end(); ++it)
{
GEO_Point* pt = gdp.appendPoint();
pt->setPos(it->x, it->y, it->z);
}
GEO_PointList& points = gdp.points();
GEO_PrimList& prims = gdp.primitives();
// create dest polys
for(unsigned int i=0; i<smesh.m_polys.size(); ++i)
{
const std::vector<unsigned int>& cpoly = smesh.m_polys[i];
GEO_PrimPoly* poly = GU_PrimPoly::build(&gdp, cpoly.size(), GU_POLY_CLOSED, 0);
for(unsigned int j=0; j<cpoly.size(); ++j)
poly->getVertex(j).setPt(points[cpoly[j] + first_point]);
}
// create cell-type attribute
if(!cellTypeAttrib.empty())
{
int defaultv = -1;
GB_AttributeRef aref = gdp.addAttribute(cellTypeAttrib.c_str(), sizeof(int),
GB_ATTRIB_INT, &defaultv, GEO_PRIMITIVE_DICT);
if(aref.isValid())
{
unsigned int npolys = prims.entries();
for(unsigned int i=first_prim; i<npolys; ++i)
prims[i]->setValue<int32>(aref, static_cast<int>(cellType));
}
}
// create cell-id attribute
if(!cellIDAttrib.empty())
{
int defaultv = -1;
GB_AttributeRef aref = gdp.addAttribute(cellIDAttrib.c_str(), sizeof(int),
GB_ATTRIB_INT, &defaultv, GEO_PRIMITIVE_DICT);
if(aref.isValid())
{
unsigned int npolys = prims.entries();
for(unsigned int i=first_prim; i<npolys; ++i)
prims[i]->setValue<int32>(aref, static_cast<int>(cellID));
}
}
// create point-id attribute
if(!pointIDAttrib.empty())
{
int defaultv = -1;
GB_AttributeRef aref = gdp.addAttribute(pointIDAttrib.c_str(), sizeof(int),
GB_ATTRIB_INT, &defaultv, GEO_POINT_DICT);
if(aref.isValid() && pointIDs)
{
unsigned int sz = std::min(points.entries()-first_point,
static_cast<unsigned int>(pointIDs->size()));
for(unsigned int i=0; i<sz; ++i)
points[i + first_point]->setValue<int32>(aref, (*pointIDs)[i]);
}
}
// create poly-id attribute
if(!polyIDAttrib.empty())
{
int defaultv = 0;
GB_AttributeRef aref = gdp.addAttribute(polyIDAttrib.c_str(), sizeof(int),
GB_ATTRIB_INT, &defaultv, GEO_PRIMITIVE_DICT);
if(aref.isValid() && polyIDs)
{
unsigned int sz = std::min(prims.entries()-first_prim,
static_cast<unsigned int>(polyIDs->size()));
for(unsigned int i=0; i<sz; ++i)
prims[i + first_prim]->setValue<int32>(aref, (*polyIDs)[i]);
}
}
}
OP_ERROR SOP_FluidSolver3D::cookMySop(OP_Context &context) {
oldf = f;
f = context.getFrame();
double t = context.getTime();
fluidSolver->fps = OPgetDirector()->getChannelManager()->getSamplesPerSec();
UT_Interrupt *boss;
GU_PrimVolume *volume;
GU_PrimVolume *velXVolume;
GU_PrimVolume *velYVolume;
GU_PrimVolume *velZVolume;
OP_Node::flags().timeDep = 1;
int newResX = RESX(t);
int newResY = RESY(t);
int newResZ = RESZ(t);
if ( newResX != fluidSolver->res.width || newResY != fluidSolver->res.height || newResZ != fluidSolver->res.depth) {
fluidSolver->changeFluidRes(newResX,newResY,newResZ);
}
UT_Vector3 fluidPos(POSX(t), POSY(t), POSZ(t));
UT_Vector3 fluidRot(ROTX(t), ROTY(t), ROTZ(t));
fluidRot.degToRad();
fluidSolver->fluidSize.x = FLUIDSIZEX(t);
fluidSolver->fluidSize.y = FLUIDSIZEY(t);
fluidSolver->fluidSize.z = FLUIDSIZEZ(t);
fluidSolver->borderNegX = BORDERNEGX(t);
fluidSolver->borderPosX = BORDERPOSX(t);
fluidSolver->borderNegY = BORDERNEGY(t);
fluidSolver->borderPosY = BORDERPOSY(t);
fluidSolver->borderNegZ = BORDERNEGZ(t);
fluidSolver->borderPosZ = BORDERPOSZ(t);
fluidSolver->substeps = SUBSTEPS(t);
fluidSolver->jacIter = JACITER(t);
fluidSolver->densDis = DENSDIS(t);
fluidSolver->densBuoyStrength = DENSBUOYSTRENGTH(t);
float ddirX = DENSBUOYDIRX(t);
float ddirY = DENSBUOYDIRY(t);
float ddirZ = DENSBUOYDIRZ(t);
fluidSolver->densBuoyDir = cu::make_float3(ddirX,ddirY,ddirZ);
fluidSolver->velDamp = VELDAMP(t);
fluidSolver->vortConf = VORTCONF(t);
fluidSolver->noiseStr = NOISESTR(t);
fluidSolver->noiseFreq = NOISEFREQ(t);
fluidSolver->noiseOct = NOISEOCT(t);
fluidSolver->noiseLacun = NOISELACUN(t);
fluidSolver->noiseSpeed = NOISESPEED(t);
fluidSolver->noiseAmp = NOISEAMP(t);
fluidSolver->preview = PREVIEW(t);
fluidSolver->drawCube = DRAWCUBE(t);
fluidSolver->opaScale = OPASCALE(t);
fluidSolver->stepMul = STEPMUL(t);
fluidSolver->displayRes = DISPLAYRES(t);
fluidSolver->doShadows = DOSHADOWS(t);
float lightPosX = LIGHTPOSX(t);
float lightPosY = LIGHTPOSY(t);
float lightPosZ = LIGHTPOSZ(t);
fluidSolver->lightPos = cu::make_float3(lightPosX,lightPosY,lightPosZ);
fluidSolver->shadowDens = SHADOWDENS(t);
fluidSolver->shadowStepMul = SHADOWSTEPMUL(t);
fluidSolver->shadowThres = SHADOWTHRES(t);
fluidSolver->displaySlice = DISPLAYSLICE(t);
fluidSolver->sliceType = SLICETYPE(t);
fluidSolver->sliceAxis = SLICEAXIS(t);
fluidSolver->slicePos = SLICEPOS(t);
fluidSolver->sliceBounds = SLICEBOUNDS(t);
if (error() < UT_ERROR_ABORT) {
boss = UTgetInterrupt();
gdp->clearAndDestroy();
// Start the interrupt server
if (boss->opStart("Building Volume")){
static float zero = 0.0;
GB_AttributeRef fluidAtt = gdp->addAttrib("cudaFluid3DPreview", sizeof(int), GB_ATTRIB_INT, &zero);
gdp->attribs().getElement().setValue<int>(fluidAtt, fluidSolver->preview);
GB_AttributeRef fluidSliceAtt = gdp->addAttrib("sliceDisplay", sizeof(int), GB_ATTRIB_INT, &zero);
gdp->attribs().getElement().setValue<int>(fluidSliceAtt, fluidSolver->displaySlice);
GB_AttributeRef solverIdAtt = gdp->addAttrib("solverId", sizeof(int), GB_ATTRIB_INT, &zero);
gdp->attribs().getElement().setValue<int>(solverIdAtt, fluidSolver->id);
GEO_AttributeHandle name_gah;
int def = -1;
gdp->addPrimAttrib("name", sizeof(int), GB_ATTRIB_INDEX, &def);
name_gah = gdp->getPrimAttribute("name");
UT_Matrix3 xform;
const UT_XformOrder volXFormOrder;
volume = (GU_PrimVolume *)GU_PrimVolume::build(gdp);
volume->getVertex().getPt()->getPos() = fluidPos;
xform.identity();
xform.scale(fluidSolver->fluidSize.x*0.5, fluidSolver->fluidSize.y*0.5, fluidSolver->fluidSize.z*0.5);
xform.rotate(fluidRot.x(), fluidRot.y(), fluidRot.z(), volXFormOrder);
volume->setTransform(xform);
name_gah.setElement(volume);
name_gah.setString("density");
velXVolume = (GU_PrimVolume *)GU_PrimVolume::build(gdp);
velXVolume->getVertex().getPt()->getPos() = fluidPos;
velXVolume->setTransform(xform);
name_gah.setElement(velXVolume);
name_gah.setString("vel.x");
velYVolume = (GU_PrimVolume *)GU_PrimVolume::build(gdp);
velYVolume->getVertex().getPt()->getPos() = fluidPos;
velYVolume->setTransform(xform);
name_gah.setElement(velYVolume);
name_gah.setString("vel.y");
velZVolume = (GU_PrimVolume *)GU_PrimVolume::build(gdp);
velZVolume->getVertex().getPt()->getPos() = fluidPos;
velZVolume->setTransform(xform);
name_gah.setElement(velZVolume);
name_gah.setString("vel.z");
xform.identity();
xform.rotate(fluidRot.x(), fluidRot.y(), fluidRot.z(), volXFormOrder);
xform.invert();
if(lockInputs(context) >= UT_ERROR_ABORT)
return error();
if(getInput(0)){
GU_Detail* emittersInput = (GU_Detail*)inputGeo(0, context);
GEO_PointList emittersList = emittersInput->points();
int numEmitters = emittersList.entries();
if (numEmitters != fluidSolver->nEmit) {
delete fluidSolver->emitters;
fluidSolver->nEmit = numEmitters;
fluidSolver->emitters = new VHFluidEmitter[numEmitters];
}
GEO_AttributeHandle radAh, amountAh;
radAh = emittersInput->getPointAttribute("radius");
amountAh = emittersInput->getPointAttribute("amount");
for (int i = 0; i < numEmitters; i++) {
UT_Vector4 emitPos = emittersList[i]->getPos();
UT_Vector3 emitPos3(emitPos);
emitPos3 -= fluidPos;
emitPos3 = emitPos3*xform;
fluidSolver->emitters[i].posX = emitPos3.x();
fluidSolver->emitters[i].posY = emitPos3.y();
fluidSolver->emitters[i].posZ = emitPos3.z();
radAh.setElement(emittersList[i]);
amountAh.setElement(emittersList[i]);
fluidSolver->emitters[i].radius = radAh.getF(0);
fluidSolver->emitters[i].amount = amountAh.getF(0);
}
} else {
fluidSolver->nEmit = 0;
}
if(getInput(1)) {
GU_Detail* collidersInput = (GU_Detail*)inputGeo(1, context);
GEO_PointList collidersList = collidersInput->points();
int numColliders = collidersList.entries();
if (numColliders != fluidSolver->nColliders) {
delete fluidSolver->colliders;
fluidSolver->nColliders = numColliders;
fluidSolver->colliders = new VHFluidCollider[numColliders];
}
GEO_AttributeHandle colRadAh;
colRadAh = collidersInput->getPointAttribute("radius");
for (int i = 0; i < numColliders; i++) {
UT_Vector4 colPos = collidersList[i]->getPos();
UT_Vector3 colPos3(colPos);
colPos3 -= fluidPos;
colPos3 = colPos3*xform;
if (f > STARTFRAME(t)) {
fluidSolver->colliders[i].oldPosX = fluidSolver->colliders[i].posX;
fluidSolver->colliders[i].oldPosY = fluidSolver->colliders[i].posY;
fluidSolver->colliders[i].oldPosZ = fluidSolver->colliders[i].posZ;
} else {
fluidSolver->colliders[i].oldPosX = colPos3.x();
fluidSolver->colliders[i].oldPosY = colPos3.y();
fluidSolver->colliders[i].oldPosZ = colPos3.z();
}
fluidSolver->colliders[i].posX = colPos3.x();
fluidSolver->colliders[i].posY = colPos3.y();
fluidSolver->colliders[i].posZ = colPos3.z();
colRadAh.setElement(collidersList[i]);
fluidSolver->colliders[i].radius = colRadAh.getF(0);
}
} else {
fluidSolver->nColliders = 0;
}
unlockInputs();
if (f <= STARTFRAME(t)) {
fluidSolver->resetFluid();
if (COPYDENS(t)) {
{
UT_VoxelArrayWriteHandleF handle = volume->getVoxelWriteHandle();
handle->constant(0);
UT_VoxelArrayWriteHandleF velXHandle = velXVolume->getVoxelWriteHandle();
velXHandle->constant(0);
UT_VoxelArrayWriteHandleF velYHandle = velYVolume->getVoxelWriteHandle();
velYHandle->constant(0);
UT_VoxelArrayWriteHandleF velZHandle = velZVolume->getVoxelWriteHandle();
velZHandle->constant(0);
}
}
} else {
if (f!=oldf) {
fluidSolver->solveFluid();
}
if (COPYDENS(t)) {
cu::cudaMemcpy( fluidSolver->host_dens, fluidSolver->dev_dens,
fluidSolver->res.width*fluidSolver->res.height*fluidSolver->res.depth*sizeof(float), cu::cudaMemcpyDeviceToHost );
{
UT_VoxelArrayWriteHandleF handle = volume->getVoxelWriteHandle();
handle->size(fluidSolver->res.width, fluidSolver->res.height, fluidSolver->res.depth);
for (int i = 0; i < fluidSolver->res.width; i++) {
for (int j = 0; j < fluidSolver->res.height; j++) {
for (int k = 0; k < fluidSolver->res.depth; k++) {
handle->setValue(i, j, k, fluidSolver->host_dens[k*fluidSolver->res.width*fluidSolver->res.height + j*fluidSolver->res.width + i]);
}
}
}
}
if (COPYVEL(t)) {
cu::cudaMemcpy( fluidSolver->host_vel, fluidSolver->dev_vel,
fluidSolver->res.width*fluidSolver->res.height*fluidSolver->res.depth*sizeof(cu::float4), cu::cudaMemcpyDeviceToHost );
{
UT_VoxelArrayWriteHandleF velXHandle = velXVolume->getVoxelWriteHandle();
velXHandle->size(fluidSolver->res.width, fluidSolver->res.height, fluidSolver->res.depth);
UT_VoxelArrayWriteHandleF velYHandle = velYVolume->getVoxelWriteHandle();
velYHandle->size(fluidSolver->res.width, fluidSolver->res.height, fluidSolver->res.depth);
UT_VoxelArrayWriteHandleF velZHandle = velZVolume->getVoxelWriteHandle();
velZHandle->size(fluidSolver->res.width, fluidSolver->res.height, fluidSolver->res.depth);
for (int i = 0; i < fluidSolver->res.width; i++) {
for (int j = 0; j < fluidSolver->res.height; j++) {
for (int k = 0; k < fluidSolver->res.depth; k++) {
velXHandle->setValue(i, j, k, fluidSolver->host_vel[4*(k*fluidSolver->res.width*fluidSolver->res.height + j*fluidSolver->res.width + i)]);
velYHandle->setValue(i, j, k, fluidSolver->host_vel[4*(k*fluidSolver->res.width*fluidSolver->res.height + j*fluidSolver->res.width + i)+1]);
velZHandle->setValue(i, j, k, fluidSolver->host_vel[4*(k*fluidSolver->res.width*fluidSolver->res.height + j*fluidSolver->res.width + i)+2]);
}
}
}
}
}
}
}
select(GU_SPrimitive);
}
// Tell the interrupt server that we've completed. Must do this
// regardless of what opStart() returns.
boss->opEnd();
}
gdp->notifyCache(GU_CACHE_ALL);
return error();
}
