/******************************************************************************
* Only dump time dep. objects to file
*****************************************************************************/
int ntlBlenderDumper::renderScene( void )
{
char nrStr[5]; /* nr conversion */
ntlRenderGlobals *glob = mpGlob;
ntlScene *scene = mpGlob->getSimScene();
bool debugOut = false;
bool debugRender = false;
#if ELBEEM_PLUGIN==1
debugOut = false;
#endif // ELBEEM_PLUGIN==1
vector<string> gmName; // gm names
vector<string> gmMat; // materials for gm
int numGMs = 0; // no. of .obj models created
if(debugOut) debMsgStd("ntlBlenderDumper::renderScene",DM_NOTIFY,"Dumping geometry data", 1);
long startTime = getTime();
snprintf(nrStr, 5, "%04d", glob->getAniCount() );
// local scene vars
vector<ntlTriangle> Triangles;
vector<ntlVec3Gfx> Vertices;
vector<ntlVec3Gfx> VertNormals;
// check geo objects
int idCnt = 0; // give IDs to objects
for (vector<ntlGeometryClass*>::iterator iter = scene->getGeoClasses()->begin();
iter != scene->getGeoClasses()->end(); iter++) {
if(!(*iter)->getVisible()) continue;
int tid = (*iter)->getTypeId();
if(tid & GEOCLASSTID_OBJECT) {
// normal geom. objects -> ignore
}
if(tid & GEOCLASSTID_SHADER) {
ntlGeometryShader *geoshad = (ntlGeometryShader*)(*iter); //dynamic_cast<ntlGeometryShader*>(*iter);
string outname = geoshad->getOutFilename();
if(outname.length()<1) outname = mpGlob->getOutFilename();
geoshad->notifyShaderOfDump(DUMP_FULLGEOMETRY, glob->getAniCount(),nrStr,outname);
for (vector<ntlGeometryObject*>::iterator siter = geoshad->getObjectsBegin();
siter != geoshad->getObjectsEnd();
siter++) {
if(debugOut) debMsgStd("ntlBlenderDumper::BuildScene",DM_MSG,"added shader geometry "<<(*siter)->getName(), 8);
(*siter)->notifyOfDump(DUMP_FULLGEOMETRY, glob->getAniCount(),nrStr,outname, this->mSimulationTime);
bool doDump = false;
bool isPreview = false;
// only dump final&preview surface meshes
if( (*siter)->getName().find( "final" ) != string::npos) {
doDump = true;
} else if( (*siter)->getName().find( "preview" ) != string::npos) {
doDump = true;
isPreview = true;
}
if(!doDump) continue;
// dont quit, some objects need notifyOfDump call
if((glob_mpactive) && (glob_mpindex>0)) {
continue; //return 0;
}
// only dump geo shader objects
Triangles.clear();
Vertices.clear();
VertNormals.clear();
(*siter)->initialize( mpGlob );
(*siter)->getTriangles(this->mSimulationTime, &Triangles, &Vertices, &VertNormals, idCnt);
idCnt ++;
// WARNING - this is dirty, but simobjs are the only geoshaders right now
SimulationObject *sim = (SimulationObject *)geoshad;
LbmSolverInterface *lbm = sim->getSolver();
// always dump mesh, even empty ones...
// dump to binary file
std::ostringstream boutfilename("");
//boutfilename << ecrpath.str() << outname <<"_"<< (*siter)->getName() <<"_" << nrStr << ".obj";
boutfilename << outname <<"_"<< (*siter)->getName() <<"_" << nrStr;
if(debugOut) debMsgStd("ntlBlenderDumper::renderScene",DM_MSG,"B-Dumping: "<< (*siter)->getName()
<<", triangles:"<<Triangles.size()<<", vertices:"<<Vertices.size()<<
" to "<<boutfilename.str() , 7);
gzFile gzf;
// output velocities if desired
if((!isPreview) && (lbm->getDumpVelocities())) {
std::ostringstream bvelfilename;
bvelfilename << boutfilename.str();
bvelfilename << ".bvel.gz";
gzf = gzopen(bvelfilename.str().c_str(), "wb9");
if(gzf) {
int numVerts;
if(sizeof(numVerts)!=4) {
errMsg("ntlBlenderDumper::renderScene","Invalid int size");
return 1;
}
numVerts = Vertices.size();
gzwrite(gzf, &numVerts, sizeof(numVerts));
for(size_t i=0; i<Vertices.size(); i++) {
// returns smoothed velocity, scaled by frame time
ntlVec3Gfx v = lbm->getVelocityAt( Vertices[i][0], Vertices[i][1], Vertices[i][2] );
// translation not necessary, test rotation & scaling?
for(int j=0; j<3; j++) {
float vertp = v[j];
//if(i<20) errMsg("ntlBlenderDumper","DUMP_VEL final "<<i<<" = "<<v);
gzwrite(gzf, &vertp, sizeof(vertp));
}
}
gzclose( gzf );
}
}
// compress all bobj's
boutfilename << ".bobj.gz";
gzf = gzopen(boutfilename.str().c_str(), "wb1"); // wb9 is slow for large meshes!
if (!gzf) {
errMsg("ntlBlenderDumper::renderScene","Unable to open output '"<<boutfilename<<"' ");
return 1;
}
// dont transform velocity output, this is handled in blender
// current transform matrix
ntlMatrix4x4<gfxReal> *trafo;
trafo = lbm->getDomainTrafo();
if(trafo) {
// transform into source space
for(size_t i=0; i<Vertices.size(); i++) {
Vertices[i] = (*trafo) * Vertices[i];
}
}
// rotate vertnormals
ntlMatrix4x4<gfxReal> rottrafo;
rottrafo.initId();
if(lbm->getDomainTrafo()) {
// dont modifiy original!
rottrafo = *lbm->getDomainTrafo();
ntlVec3Gfx rTrans,rScale,rRot,rShear;
rottrafo.decompose(rTrans,rScale,rRot,rShear);
rottrafo.initRotationXYZ(rRot[0],rRot[1],rRot[2]);
// only rotate here...
for(size_t i=0; i<Vertices.size(); i++) {
VertNormals[i] = rottrafo * VertNormals[i];
normalize(VertNormals[i]); // remove scaling etc.
}
}
// write to file
int numVerts;
if(sizeof(numVerts)!=4) {
errMsg("ntlBlenderDumper::renderScene","Invalid int size");
return 1;
}
numVerts = Vertices.size();
gzwrite(gzf, &numVerts, sizeof(numVerts));
for(size_t i=0; i<Vertices.size(); i++) {
for(int j=0; j<3; j++) {
float vertp = Vertices[i][j];
gzwrite(gzf, &vertp, sizeof(vertp));
}
}
// should be the same as Vertices.size
if(VertNormals.size() != (size_t)numVerts) {
errMsg("ntlBlenderDumper::renderScene","Normals have to have same size as vertices!");
VertNormals.resize( Vertices.size() );
}
gzwrite(gzf, &numVerts, sizeof(numVerts));
for(size_t i=0; i<VertNormals.size(); i++) {
for(int j=0; j<3; j++) {
float normp = VertNormals[i][j];
gzwrite(gzf, &normp, sizeof(normp));
}
}
int numTris = Triangles.size();
gzwrite(gzf, &numTris, sizeof(numTris));
for(size_t i=0; i<Triangles.size(); i++) {
for(int j=0; j<3; j++) {
int triIndex = Triangles[i].getPoints()[j];
gzwrite(gzf, &triIndex, sizeof(triIndex));
}
}
gzclose( gzf );
debMsgStd("ntlBlenderDumper::renderScene",DM_NOTIFY," Wrote: '"<<boutfilename.str()<<"' ", 2);
numGMs++;
}
}
}
// output ecr config file
if(numGMs>0) {
if(debugOut) debMsgStd("ntlBlenderDumper::renderScene",DM_MSG,"Objects dumped: "<<numGMs, 10);
} else {
if((glob_mpactive) && (glob_mpindex>0)) {
// ok, nothing to do anyway...
} else {
errFatal("ntlBlenderDumper::renderScene","No objects to dump! Aborting...",SIMWORLD_INITERROR);
return 1;
}
}
// debug timing
long stopTime = getTime();
debMsgStd("ntlBlenderDumper::renderScene",DM_MSG,"Scene #"<<nrStr<<" dump time: "<< getTimeString(stopTime-startTime) <<" ", 10);
// still render for preview...
if(debugRender) {
debMsgStd("ntlBlenderDumper::renderScene",DM_NOTIFY,"Performing preliminary render", 1);
ntlWorld::renderScene();
}
else {
// next frame
glob->setAniCount( glob->getAniCount() +1 );
}
return 0;
}
