Fluid control: WIP commit before weekend, not working is crashing on the first 3 frames

intern/elbeem/extern/elbeem.h

@@ -32,7 +32,7 @@ typedef struct elbeemSimulationSettings {
   short version;
 	/* id number of simulation domain, needed if more than a
 	 * single domain should be simulated */
-	short domainId;
+	short domainId; // unused within blender
 
 	/* geometrical extent */
 	float geoStart[3], geoSize[3];
@@ -187,6 +187,9 @@ void elbeemResetSettings(struct elbeemSimulationSettings*);
 // start fluidsim init (returns !=0 upon failure)
 int elbeemInit(void);
 
+// frees fluidsim
+int elbeemFree(void);
+
 // start fluidsim init (returns !=0 upon failure)
 int elbeemAddDomain(struct elbeemSimulationSettings*);
 

intern/elbeem/intern/controlparticles.cpp

@@ -57,6 +57,7 @@ void ControlParticles::initBlenderTest() {
 	initTime(0. , 1.);
 }
 
+// blender control object gets converted to mvm flui control object
 int ControlParticles::initFromObject(ntlGeometryObjModel *model) {
 	vector<ntlTriangle> triangles;
 	vector<ntlVec3Gfx> vertices;
@@ -73,6 +74,7 @@ int ControlParticles::initFromObject(ntlGeometryObjModel *model) {
 	printf("a animated? %d\n", model->getIsAnimated());
 	printf("b animated? %d\n", model->getMeshAnimated());
 	*/
+	
 	model->setGeoInitType(FGI_FLUID);
 	
 	model->getTriangles(mCPSTimeStart, &triangles, &vertices, &normals, 1 ); 
@@ -137,7 +139,7 @@ int ControlParticles::initFromObject(ntlGeometryObjModel *model) {
 	// init first set, check dist
 	ControlParticleSet firstcps; //T
 	mPartSets.push_back(firstcps);
-	mPartSets[mPartSets.size()-1].time = (gfxReal)0.;
+	mPartSets[mPartSets.size()-1].time = mCPSTimeStart;
 	vector<bool> useCP;
 
 	for(int i=0; i<(int)inspos.size(); i++) {
@@ -1378,8 +1380,10 @@ void ControlParticles::calculateCpInfluenceOpt(ControlParticle *cp, LbmVec fluid
 #if (CP_PROJECT2D==1) && (defined(MAIN_2D) || LBMDIM==2)
 	// fillFactor *= 2.0 *0.75 * pdistance; // 2d>3d sampling
 #endif // (CP_PROJECT2D==1) && (defined(MAIN_2D) || LBMDIM==2)
+	
+	LbmFloat signum = getInfluenceAttraction() > 0.0 ? 1.0 : -1.0;	
 	cp->density += falloffAtt * fillFactor;
-	force->forceAtt += posDelta *cp->densityWeight *cp->influence; 
+	force->forceAtt +=  posDelta *cp->densityWeight *cp->influence *signum; 
 	force->weightAtt += falloffAtt*cp->densityWeight *cp->influence;
 	
 	LbmFloat falloffVel = 0.; //CPKernel::kernel(cpfo * 1.0, pdistance);

intern/elbeem/intern/elbeem.cpp

@@ -96,6 +96,13 @@ int elbeemInit() {
 	return 0;
 }
 
+// fluidsim end
+extern "C" 
+int elbeemFree() {
+	
+	return 0;
+}
+
 // start fluidsim init
 extern "C" 
 int elbeemAddDomain(elbeemSimulationSettings *settings) {
@@ -253,6 +260,7 @@ int elbeemSimulate(void) {
 		if(getElbeemState() != SIMWORLD_STOP) {
 			// ok, we're done...
 			delete gpWorld;
+			
 			gpWorld = NULL;
 			debMsgStd("elbeemSimulate",DM_NOTIFY, "El'Beem simulation done, time: "<<getTimeString(timeend-timestart)<<".\n", 2 ); 
 		} else {

intern/elbeem/intern/ntl_ray.cpp

@@ -688,7 +688,8 @@ ntlScene::~ntlScene()
 	if(mpTree != NULL) delete mpTree;
 
 	// cleanup lists, only if this is the rendering cleanup scene
-	if(mSceneDel) {
+	if(mSceneDel) 
+	{
 		for (vector<ntlGeometryClass*>::iterator iter = mGeos.begin();
 				iter != mGeos.end(); iter++) {
 			//errMsg("ntlScene::~ntlScene","Deleting obj "<<(*iter)->getName() );

intern/elbeem/intern/ntl_world.cpp

@@ -236,10 +236,15 @@ ntlWorld::~ntlWorld()
 {
 	delete mpGlob->getRenderScene();
 	delete mpGlob->getSimScene();
-  delete mpGlob;
-  delete mpLightList;
-  delete mpPropList;
-  delete mpSims;
+  
+	delete mpGlob;
+	
+	
+	// these get assigned to mpGlob but not freed there
+	delete mpLightList;
+	delete mpPropList; // materials
+	delete mpSims;
+  
 #ifndef NOGUI
 	if(mpOpenGLRenderer) delete mpOpenGLRenderer;
 #endif // NOGUI
@@ -895,6 +900,8 @@ ntlRenderGlobals::ntlRenderGlobals() :
 ntlRenderGlobals::~ntlRenderGlobals() {
 	if(mpOpenGlAttr) delete mpOpenGlAttr;
 	if(mpBlenderAttr) delete mpBlenderAttr;
+	
+	
 }
 
 

intern/elbeem/intern/solver_control.cpp

@@ -236,7 +236,6 @@ LbmFsgrSolver::initCpdata()
 			// dont load any file
 			cset->mContrPartFile = string("");
 
-			// TODO dg: switch to channels later
 			cset->mcForceAtt = obj->getCpsAttrFStr();
 			cset->mcRadiusAtt = obj->getCpsAttrFRad();
 			cset->mcForceVel = obj->getCpsVelFStr();
@@ -491,8 +490,8 @@ LbmFsgrSolver::handleCpdata()
 	// init for current time
 	for(int cpssi=0; cpssi<(int)mpControl->mCons.size(); cpssi++) {
 		ControlParticles *cparts = mpControl->mCons[cpssi]->mCparts;
-
 		LbmControlSet *cset = mpControl->mCons[cpssi];
+		
 		cparts->setRadiusAtt(cset->mcRadiusAtt.get(mSimulationTime));
 		cparts->setRadiusVel(cset->mcRadiusVel.get(mSimulationTime));
 		cparts->setInfluenceAttraction(cset->mcForceAtt.get(mSimulationTime) );
@@ -506,18 +505,22 @@ LbmFsgrSolver::handleCpdata()
 		cparts->setInfluenceVelocity( cset->mcForceVel.get(mSimulationTime), mLevel[fineLev].timestep );
 		cparts->setLastOffset( vec2L(cset->mcCpOffset.get(mSimulationTime-mLevel[fineLev].timestep)) );
 		cparts->setLastScale(  vec2L(cset->mcCpScale.get(mSimulationTime-mLevel[fineLev].timestep)) );
+		
 	}
 
 	// check actual values
-	LbmFloat iatt  = mpControl->mCons[0]->mCparts->getInfluenceAttraction();
+	LbmFloat iatt  = ABS(mpControl->mCons[0]->mCparts->getInfluenceAttraction());
 	LbmFloat ivel  = mpControl->mCons[0]->mCparts->getInfluenceVelocity();
 	LbmFloat imaxd = mpControl->mCons[0]->mCparts->getInfluenceMaxdist();
 	//errMsg("FINCIT","iatt="<<iatt<<" ivel="<<ivel<<" imaxd="<<imaxd);
 	for(int cpssi=1; cpssi<(int)mpControl->mCons.size(); cpssi++) {
-		LbmFloat iatt2  = mpControl->mCons[cpssi]->mCparts->getInfluenceAttraction();
+		LbmFloat iatt2  = ABS(mpControl->mCons[cpssi]->mCparts->getInfluenceAttraction());
 		LbmFloat ivel2  = mpControl->mCons[cpssi]->mCparts->getInfluenceVelocity();
 		LbmFloat imaxd2 = mpControl->mCons[cpssi]->mCparts->getInfluenceMaxdist();
-		if(iatt2 >iatt)   iatt = iatt2;
+		
+		// we allow negative attraction force here!
+		if(iatt2 > iatt)   iatt = iatt2;
+		
 		if(ivel2 >ivel)   ivel = ivel2;
 		if(imaxd2>imaxd)  imaxd= imaxd2;
 		//errMsg("FINCIT"," "<<cpssi<<" iatt2="<<iatt2<<" ivel2="<<ivel2<<" imaxd2="<<imaxd<<" NEW "<<" iatt="<<iatt<<" ivel="<<ivel<<" imaxd="<<imaxd);
@@ -581,6 +584,12 @@ LbmFsgrSolver::handleCpdata()
 	for(int cpssi=0; cpssi<(int)mpControl->mCons.size(); cpssi++) {
 		ControlParticles *cparts = mpControl->mCons[cpssi]->mCparts;
 		// ControlParticles *cpmotion = mpControl->mCons[cpssi]->mCpmotion;
+		
+		// if control set is not active skip it
+		if((cparts->getControlTimStart() > mSimulationTime) || (cparts->getControlTimEnd() < mLastSimTime))
+		{
+			continue;
+		}
 
 		const LbmFloat velLatticeScale = mLevel[lev].timestep/mLevel[lev].nodeSize;
 		LbmFloat gsx = ((mvGeoEnd[0]-mvGeoStart[0])/(LbmFloat)mLevel[lev].lSizex);