static void
addField(GU_Detail *gdp, const SIM_RawField *rawfield)
{
GU_PrimVolume *vol;
vol = (GU_PrimVolume *) GU_PrimVolume::build(gdp);
vol->getVertex().getPt()->setPos(
rawfield->getOrig() + rawfield->getSize()*0.5 );
UT_Matrix3 scale;
scale.identity();
scale.scale(rawfield->getSize().x(), rawfield->getSize().y(), rawfield->getSize().z());
scale.scale(0.5, 0.5, 0.5);
vol->setTransform(scale);
// If we use setVoxels, we'll have to make a copy of the field.
// If we use steal, we can avoid this, but then we *must* leak
// the gdp or we'll delete the field out from under DOPs.
// vol->setVoxels(rawfield->fieldNC());
vol->stealVoxels(rawfield->fieldNC());
}
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();
}
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();
}