int fluidsimBake(bContext *C, ReportList *reports, Object *ob)
{
Scene *scene= CTX_data_scene(C);
FILE *fileCfg;
int i;
Object *fsDomain = NULL;
FluidsimSettings *domainSettings;
Object *obit = NULL; /* object iterator */
Base *base;
int origFrame = scene->r.cfra;
char debugStrBuffer[256];
int dirExist = 0;
int gridlevels = 0;
int simAborted = 0; // was the simulation aborted by user?
int doExportOnly = 0;
char *exportEnvStr = "BLENDER_ELBEEMEXPORTONLY";
const char *strEnvName = "BLENDER_ELBEEMDEBUG"; // from blendercall.cpp
//char *channelNames[3] = { "translation","rotation","scale" };
char *suffixConfig = "fluidsim.cfg";
char *suffixSurface = "fluidsurface";
char newSurfdataPath[FILE_MAXDIR+FILE_MAXFILE]; // modified output settings
char targetDir[FILE_MAXDIR+FILE_MAXFILE]; // store & modify output settings
char targetFile[FILE_MAXDIR+FILE_MAXFILE]; // temp. store filename from targetDir for access
int outStringsChanged = 0; // modified? copy back before baking
int haveSomeFluid = 0; // check if any fluid objects are set
// config vars, inited before either export or run...
double calcViscosity = 0.0;
int noFrames;
double aniFrameTime;
float aniFrlen;
int channelObjCount;
float *bbStart = NULL;
float *bbSize = NULL;
float domainMat[4][4];
float invDomMat[4][4];
// channel data
int allchannelSize; // fixed by no. of frames
int startFrame = 1; // dont use scene->r.sfra here, always start with frame 1
// easy frame -> sim time calc
float *timeAtFrame=NULL, *timeAtIndex=NULL;
// domain
float *channelDomainTime = NULL;
float *channelDomainViscosity = NULL;
float *channelDomainGravity = NULL;
// objects (currently max. 256 objs)
float *channelObjMove[256][3]; // object movments , 0=trans, 1=rot, 2=scale
float *channelObjInivel[256]; // initial velocities
float *channelObjActive[256]; // obj active channel
/* fluid control channels */
float *channelAttractforceStrength[256];
float *channelAttractforceRadius[256];
float *channelVelocityforceStrength[256];
float *channelVelocityforceRadius[256];
FluidsimModifierData *fluidmd = NULL;
Mesh *mesh = NULL;
if(getenv(strEnvName)) {
int dlevel = atoi(getenv(strEnvName));
elbeemSetDebugLevel(dlevel);
snprintf(debugStrBuffer,256,"fluidsimBake::msg: Debug messages activated due to envvar '%s'\n",strEnvName);
elbeemDebugOut(debugStrBuffer);
}
if(getenv(exportEnvStr)) {
doExportOnly = atoi(getenv(exportEnvStr));
snprintf(debugStrBuffer,256,"fluidsimBake::msg: Exporting mode set to '%d' due to envvar '%s'\n",doExportOnly, exportEnvStr);
elbeemDebugOut(debugStrBuffer);
}
// make sure it corresponds to startFrame setting
// old: noFrames = scene->r.efra - scene->r.sfra +1;
noFrames = scene->r.efra - 0;
if(noFrames<=0) {
BKE_report(reports, RPT_ERROR, "No frames to export - check your animation range settings.");
return 0;
}
/* no object pointer, find in selected ones.. */
if(!ob) {
for(base=scene->base.first; base; base= base->next) {
if ((base)->flag & SELECT)
{
FluidsimModifierData *fluidmdtmp = (FluidsimModifierData *)modifiers_findByType(base->object, eModifierType_Fluidsim);
if(fluidmdtmp && (base->object->type==OB_MESH))
{
if(fluidmdtmp->fss->type == OB_FLUIDSIM_DOMAIN)
{
ob = base->object;
break;
}
}
}
}
// no domains found?
if(!ob) return 0;
}
channelObjCount = 0;
for(base=scene->base.first; base; base= base->next)
{
FluidsimModifierData *fluidmdtmp = (FluidsimModifierData *)modifiers_findByType(base->object, eModifierType_Fluidsim);
obit = base->object;
if( fluidmdtmp &&
(obit->type==OB_MESH) &&
(fluidmdtmp->fss->type != OB_FLUIDSIM_DOMAIN) && // if has to match 3 places! // CHECKMATCH
(fluidmdtmp->fss->type != OB_FLUIDSIM_PARTICLE) )
{
channelObjCount++;
}
}
if (channelObjCount>=255) {
BKE_report(reports, RPT_ERROR, "Cannot bake with more then 256 objects.");
return 0;
}
/* check if there's another domain... */
for(base=scene->base.first; base; base= base->next)
{
FluidsimModifierData *fluidmdtmp = (FluidsimModifierData *)modifiers_findByType(base->object, eModifierType_Fluidsim);
obit = base->object;
if( fluidmdtmp &&(obit->type==OB_MESH))
{
if(fluidmdtmp->fss->type == OB_FLUIDSIM_DOMAIN)
{
if(obit != ob)
{
BKE_report(reports, RPT_ERROR, "There should be only one domain object.");
return 0;
}
}
}
}
// check if theres any fluid
// abort baking if not...
for(base=scene->base.first; base; base= base->next)
{
FluidsimModifierData *fluidmdtmp = (FluidsimModifierData *)modifiers_findByType(base->object, eModifierType_Fluidsim);
obit = base->object;
if( fluidmdtmp &&
(obit->type==OB_MESH) &&
((fluidmdtmp->fss->type == OB_FLUIDSIM_FLUID) ||
(fluidmdtmp->fss->type == OB_FLUIDSIM_INFLOW) ))
{
haveSomeFluid = 1;
break;
}
}
if(!haveSomeFluid) {
BKE_report(reports, RPT_ERROR, "No fluid objects in scene.");
return 0;
}
/* these both have to be valid, otherwise we wouldnt be here */
/* dont use ob here after...*/
fsDomain = ob;
fluidmd = (FluidsimModifierData *)modifiers_findByType(ob, eModifierType_Fluidsim);
domainSettings = fluidmd->fss;
ob = NULL;
mesh = fsDomain->data;
// calculate bounding box
fluid_get_bb(mesh->mvert, mesh->totvert, fsDomain->obmat, domainSettings->bbStart, domainSettings->bbSize);
// reset last valid frame
domainSettings->lastgoodframe = -1;
/* rough check of settings... */
if(domainSettings->previewresxyz > domainSettings->resolutionxyz) {
snprintf(debugStrBuffer,256,"fluidsimBake::warning - Preview (%d) >= Resolution (%d)... setting equal.\n", domainSettings->previewresxyz , domainSettings->resolutionxyz);
elbeemDebugOut(debugStrBuffer);
domainSettings->previewresxyz = domainSettings->resolutionxyz;
}
// set adaptive coarsening according to resolutionxyz
// this should do as an approximation, with in/outflow
// doing this more accurate would be overkill
// perhaps add manual setting?
if(domainSettings->maxRefine <0) {
if(domainSettings->resolutionxyz>128) {
gridlevels = 2;
} else
if(domainSettings->resolutionxyz>64) {
gridlevels = 1;
} else {
gridlevels = 0;
}
} else {
gridlevels = domainSettings->maxRefine;
}
snprintf(debugStrBuffer,256,"fluidsimBake::msg: Baking %s, refine: %d\n", fsDomain->id.name , gridlevels );
elbeemDebugOut(debugStrBuffer);
// prepare names...
strncpy(targetDir, domainSettings->surfdataPath, FILE_MAXDIR);
strncpy(newSurfdataPath, domainSettings->surfdataPath, FILE_MAXDIR);
BLI_convertstringcode(targetDir, G.sce); // fixed #frame-no
strcpy(targetFile, targetDir);
strcat(targetFile, suffixConfig);
if(!doExportOnly) { strcat(targetFile,".tmp"); } // dont overwrite/delete original file
// make sure all directories exist
// as the bobjs use the same dir, this only needs to be checked
// for the cfg output
BLI_make_existing_file(targetFile);
// check selected directory
// simply try to open cfg file for writing to test validity of settings
fileCfg = fopen(targetFile, "w");
if(fileCfg) {
dirExist = 1; fclose(fileCfg);
// remove cfg dummy from directory test
if(!doExportOnly) { BLI_delete(targetFile, 0,0); }
}
if((strlen(targetDir)<1) || (!dirExist)) {
char blendDir[FILE_MAXDIR+FILE_MAXFILE], blendFile[FILE_MAXDIR+FILE_MAXFILE];
// invalid dir, reset to current/previous
strcpy(blendDir, G.sce);
BLI_splitdirstring(blendDir, blendFile);
if(strlen(blendFile)>6){
int len = strlen(blendFile);
if( (blendFile[len-6]=='.')&& (blendFile[len-5]=='b')&& (blendFile[len-4]=='l')&&
(blendFile[len-3]=='e')&& (blendFile[len-2]=='n')&& (blendFile[len-1]=='d') ){
blendFile[len-6] = '\0';
}
}
// todo... strip .blend ?
snprintf(newSurfdataPath,FILE_MAXFILE+FILE_MAXDIR,"//fluidsimdata/%s_%s_", blendFile, fsDomain->id.name);
snprintf(debugStrBuffer,256,"fluidsimBake::error - warning resetting output dir to '%s'\n", newSurfdataPath);
elbeemDebugOut(debugStrBuffer);
outStringsChanged=1;
}
// check if modified output dir is ok
if(outStringsChanged) {
char dispmsg[FILE_MAXDIR+FILE_MAXFILE+256];
int selection=0;
strcpy(dispmsg,"Output settings set to: '");
strcat(dispmsg, newSurfdataPath);
strcat(dispmsg, "'%t|Continue with changed settings%x1|Discard and abort%x0");
// ask user if thats what he/she wants...
selection = pupmenu(dispmsg);
if(selection<1) return 0; // 0 from menu, or -1 aborted
strcpy(targetDir, newSurfdataPath);
strncpy(domainSettings->surfdataPath, newSurfdataPath, FILE_MAXDIR);
BLI_convertstringcode(targetDir, G.sce); // fixed #frame-no
}
// --------------------------------------------------------------------------------------------
// dump data for start frame
// CHECK more reasonable to number frames according to blender?
// dump data for frame 0
scene->r.cfra = startFrame;
ED_update_for_newframe(C, 1);
// init common export vars for both file export and run
for(i=0; i<256; i++) {
channelObjMove[i][0] = channelObjMove[i][1] = channelObjMove[i][2] = NULL;
channelObjInivel[i] = NULL;
channelObjActive[i] = NULL;
channelAttractforceStrength[i] = NULL;
channelAttractforceRadius[i] = NULL;
channelVelocityforceStrength[i] = NULL;
channelVelocityforceRadius[i] = NULL;
}
allchannelSize = scene->r.efra; // always use till last frame
aniFrameTime = (domainSettings->animEnd - domainSettings->animStart)/(double)noFrames;
// blender specific - scale according to map old/new settings in anim panel:
aniFrlen = scene->r.framelen;
if(domainSettings->viscosityMode==1) {
/* manual mode, visc=value/(10^-vexp) */
calcViscosity = (1.0/pow(10.0,domainSettings->viscosityExponent)) * domainSettings->viscosityValue;
} else {
calcViscosity = fluidsimViscosityPreset[ domainSettings->viscosityMode ];
}
bbStart = domainSettings->bbStart;
bbSize = domainSettings->bbSize;
// always init
{ int timeIcu[1] = { FLUIDSIM_TIME };
float timeDef[1] = { 1. };
int gravIcu[3] = { FLUIDSIM_GRAV_X, FLUIDSIM_GRAV_Y, FLUIDSIM_GRAV_Z };
float gravDef[3];
int viscIcu[1] = { FLUIDSIM_VISC };
float viscDef[1] = { 1. };
gravDef[0] = domainSettings->gravx;
gravDef[1] = domainSettings->gravy;
gravDef[2] = domainSettings->gravz;
// time channel is a bit special, init by hand...
timeAtIndex = MEM_callocN( (allchannelSize+1)*1*sizeof(float), "fluidsiminit_timeatindex");
for(i=0; i<=scene->r.efra; i++) {
timeAtIndex[i] = (float)(i-startFrame);
}
fluidsimInitChannel(scene, &channelDomainTime, allchannelSize, timeAtIndex, timeIcu,timeDef, domainSettings->ipo, CHANNEL_FLOAT ); // NDEB
// time channel is a multiplicator for aniFrameTime
if(channelDomainTime) {
for(i=0; i<allchannelSize; i++) {
channelDomainTime[i*2+0] = aniFrameTime * channelDomainTime[i*2+0];
if(channelDomainTime[i*2+0]<0.) channelDomainTime[i*2+0] = 0.;
}
}
timeAtFrame = MEM_callocN( (allchannelSize+1)*1*sizeof(float), "fluidsiminit_timeatframe");
timeAtFrame[0] = timeAtFrame[1] = domainSettings->animStart; // start at index 1
if(channelDomainTime) {
for(i=2; i<=allchannelSize; i++) {
timeAtFrame[i] = timeAtFrame[i-1]+channelDomainTime[(i-1)*2+0];
}
} else {
for(i=2; i<=allchannelSize; i++) { timeAtFrame[i] = timeAtFrame[i-1]+aniFrameTime; }
}
fluidsimInitChannel(scene, &channelDomainViscosity, allchannelSize, timeAtFrame, viscIcu,viscDef, domainSettings->ipo, CHANNEL_FLOAT ); // NDEB
if(channelDomainViscosity) {
for(i=0; i<allchannelSize; i++) { channelDomainViscosity[i*2+0] = calcViscosity * channelDomainViscosity[i*2+0]; }
}
fluidsimInitChannel(scene, &channelDomainGravity, allchannelSize, timeAtFrame, gravIcu,gravDef, domainSettings->ipo, CHANNEL_VEC );
} // domain channel init
// init obj movement channels
channelObjCount=0;
for(base=scene->base.first; base; base= base->next)
{
FluidsimModifierData *fluidmdtmp = (FluidsimModifierData *)modifiers_findByType(base->object, eModifierType_Fluidsim);
obit = base->object;
if( fluidmdtmp &&
(obit->type==OB_MESH) &&
(fluidmdtmp->fss->type != OB_FLUIDSIM_DOMAIN) && // if has to match 3 places! // CHECKMATCH
(fluidmdtmp->fss->type != OB_FLUIDSIM_PARTICLE) ) {
// cant use fluidsimInitChannel for obj channels right now, due
// to the special DXXX channels, and the rotation specialities
IpoCurve *icuex[3][3];
//IpoCurve *par_icuex[3][3];
#if 0
int icuIds[3][3] = {
{OB_LOC_X, OB_LOC_Y, OB_LOC_Z},
{OB_ROT_X, OB_ROT_Y, OB_ROT_Z},
{OB_SIZE_X, OB_SIZE_Y, OB_SIZE_Z}
};
int icudIds[3][3] = {
{OB_DLOC_X, OB_DLOC_Y, OB_DLOC_Z},
{OB_DROT_X, OB_DROT_Y, OB_DROT_Z},
{OB_DSIZE_X, OB_DSIZE_Y, OB_DSIZE_Z}
};
#endif
// relative ipos
IpoCurve *icudex[3][3];
//IpoCurve *par_icudex[3][3];
int j,k;
float vals[3] = {0.0,0.0,0.0};
int o = channelObjCount;
int inivelIcu[3] = { FLUIDSIM_VEL_X, FLUIDSIM_VEL_Y, FLUIDSIM_VEL_Z };
float inivelDefs[3];
int activeIcu[1] = { FLUIDSIM_ACTIVE };
float activeDefs[1] = { 1 }; // default to on
inivelDefs[0] = fluidmdtmp->fss->iniVelx;
inivelDefs[1] = fluidmdtmp->fss->iniVely;
inivelDefs[2] = fluidmdtmp->fss->iniVelz;
// check & init loc,rot,size
for(j=0; j<3; j++) {
for(k=0; k<3; k++) {
// XXX prevent invalid memory access until this works
icuex[j][k]= NULL;
icudex[j][k]= NULL;
// XXX icuex[j][k] = find_ipocurve(obit->ipo, icuIds[j][k] );
// XXX icudex[j][k] = find_ipocurve(obit->ipo, icudIds[j][k] );
// XXX lines below were already disabled!
//if(obit->parent) {
//par_icuex[j][k] = find_ipocurve(obit->parent->ipo, icuIds[j][k] );
//par_icudex[j][k] = find_ipocurve(obit->parent->ipo, icudIds[j][k] );
//}
}
}
for(j=0; j<3; j++) {
channelObjMove[o][j] = MEM_callocN( allchannelSize*4*sizeof(float), "fluidsiminit_objmovchannel");
for(i=1; i<=allchannelSize; i++) {
for(k=0; k<3; k++) {
if(icuex[j][k]) {
// IPO exists, use it ...
// XXX calc_icu(icuex[j][k], aniFrlen*((float)i) );
vals[k] = icuex[j][k]->curval;
if(obit->parent) {
// add parent transform, multiply scaling, add trafo&rot
//calc_icu(par_icuex[j][k], aniFrlen*((float)i) );
//if(j==2) { vals[k] *= par_icuex[j][k]->curval; }
//else { vals[k] += par_icuex[j][k]->curval; }
}
} else {
// use defaults from static values
float setval=0.0;
if(j==0) {
setval = obit->loc[k];
if(obit->parent){ setval += obit->parent->loc[k]; }
} else if(j==1) {
setval = ( 180.0*obit->rot[k] )/( 10.0*M_PI );
if(obit->parent){ setval = ( 180.0*(obit->rot[k]+obit->parent->rot[k]) )/( 10.0*M_PI ); }
} else {
setval = obit->size[k];
if(obit->parent){ setval *= obit->parent->size[k]; }
}
vals[k] = setval;
}
if(icudex[j][k]) {
// XXX calc_icu(icudex[j][k], aniFrlen*((float)i) );
//vals[k] += icudex[j][k]->curval;
// add transform, multiply scaling, add trafo&rot
if(j==2) { vals[k] *= icudex[j][k]->curval; }
else { vals[k] += icudex[j][k]->curval; }
if(obit->parent) {
// add parent transform, multiply scaling, add trafo&rot
//calc_icu(par_icuex[j][k], aniFrlen*((float)i) );
//if(j==2) { vals[k] *= par_icudex[j][k]->curval; }
//else { vals[k] += par_icudex[j][k]->curval; }
}
}
} // k
for(k=0; k<3; k++) {
float set = vals[k];
if(j==1) { // rot is downscaled by 10 for ipo !?
set = 360.0 - (10.0*set);
}
channelObjMove[o][j][(i-1)*4 + k] = set;
} // k
channelObjMove[o][j][(i-1)*4 + 3] = timeAtFrame[i];
}
}
{
int attrFSIcu[1] = { FLUIDSIM_ATTR_FORCE_STR };
int attrFRIcu[1] = { FLUIDSIM_ATTR_FORCE_RADIUS };
int velFSIcu[1] = { FLUIDSIM_VEL_FORCE_STR };
int velFRIcu[1] = { FLUIDSIM_VEL_FORCE_RADIUS };
float attrFSDefs[1];
float attrFRDefs[1];
float velFSDefs[1];
float velFRDefs[1];
attrFSDefs[0] = fluidmdtmp->fss->attractforceStrength;
attrFRDefs[0] = fluidmdtmp->fss->attractforceRadius;
velFSDefs[0] = fluidmdtmp->fss->velocityforceStrength;
velFRDefs[0] = fluidmdtmp->fss->velocityforceRadius;
fluidsimInitChannel(scene, &channelAttractforceStrength[o], allchannelSize, timeAtFrame, attrFSIcu,attrFSDefs, fluidmdtmp->fss->ipo, CHANNEL_FLOAT );
fluidsimInitChannel(scene, &channelAttractforceRadius[o], allchannelSize, timeAtFrame, attrFRIcu,attrFRDefs, fluidmdtmp->fss->ipo, CHANNEL_FLOAT );
fluidsimInitChannel(scene, &channelVelocityforceStrength[o], allchannelSize, timeAtFrame, velFSIcu,velFSDefs, fluidmdtmp->fss->ipo, CHANNEL_FLOAT );
fluidsimInitChannel(scene, &channelVelocityforceRadius[o], allchannelSize, timeAtFrame, velFRIcu,velFRDefs, fluidmdtmp->fss->ipo, CHANNEL_FLOAT );
}
fluidsimInitChannel(scene, &channelObjInivel[o], allchannelSize, timeAtFrame, inivelIcu,inivelDefs, fluidmdtmp->fss->ipo, CHANNEL_VEC );
fluidsimInitChannel(scene, &channelObjActive[o], allchannelSize, timeAtFrame, activeIcu,activeDefs, fluidmdtmp->fss->ipo, CHANNEL_FLOAT );
channelObjCount++;
}
}
// init trafo matrix
Mat4CpyMat4(domainMat, fsDomain->obmat);
if(!Mat4Invert(invDomMat, domainMat)) {
snprintf(debugStrBuffer,256,"fluidsimBake::error - Invalid obj matrix?\n");
elbeemDebugOut(debugStrBuffer);
BKE_report(reports, RPT_ERROR, "Invalid object matrix.");
// FIXME add fatal msg
FS_FREE_CHANNELS;
return 0;
}
// --------------------------------------------------------------------------------------------
// start writing / exporting
strcpy(targetFile, targetDir);
strcat(targetFile, suffixConfig);
if(!doExportOnly) { strcat(targetFile,".tmp"); } // dont overwrite/delete original file
// make sure these directories exist as well
if(outStringsChanged) {
BLI_make_existing_file(targetFile);
}
if(!doExportOnly) {
ListBase threads;
// perform simulation with El'Beem api and threads
elbeemSimulationSettings fsset;
elbeemResetSettings(&fsset);
fsset.version = 1;
// setup global settings
for(i=0 ; i<3; i++) fsset.geoStart[i] = bbStart[i];
for(i=0 ; i<3; i++) fsset.geoSize[i] = bbSize[i];
// simulate with 50^3
fsset.resolutionxyz = (int)domainSettings->resolutionxyz;
fsset.previewresxyz = (int)domainSettings->previewresxyz;
// 10cm water domain
fsset.realsize = domainSettings->realsize;
fsset.viscosity = calcViscosity;
// earth gravity
fsset.gravity[0] = domainSettings->gravx;
fsset.gravity[1] = domainSettings->gravy;
fsset.gravity[2] = domainSettings->gravz;
// simulate 5 frames, each 0.03 seconds, output to ./apitest_XXX.bobj.gz
fsset.animStart = domainSettings->animStart;
fsset.aniFrameTime = aniFrameTime;
fsset.noOfFrames = noFrames; // is otherwise subtracted in parser
strcpy(targetFile, targetDir);
strcat(targetFile, suffixSurface);
// defaults for compressibility and adaptive grids
fsset.gstar = domainSettings->gstar;
fsset.maxRefine = domainSettings->maxRefine; // check <-> gridlevels
fsset.generateParticles = domainSettings->generateParticles;
fsset.numTracerParticles = domainSettings->generateTracers;
fsset.surfaceSmoothing = domainSettings->surfaceSmoothing;
fsset.surfaceSubdivs = domainSettings->surfaceSubdivs;
fsset.farFieldSize = domainSettings->farFieldSize;
strcpy( fsset.outputPath, targetFile);
// domain channels
fsset.channelSizeFrameTime =
fsset.channelSizeViscosity =
fsset.channelSizeGravity = allchannelSize;
fsset.channelFrameTime = channelDomainTime;
fsset.channelViscosity = channelDomainViscosity;
fsset.channelGravity = channelDomainGravity;
fsset.runsimCallback = &runSimulationCallback;
fsset.runsimUserData = &fsset;
if( (domainSettings->typeFlags&OB_FSBND_NOSLIP)) fsset.domainobsType = FLUIDSIM_OBSTACLE_NOSLIP;
else if((domainSettings->typeFlags&OB_FSBND_PARTSLIP)) fsset.domainobsType = FLUIDSIM_OBSTACLE_PARTSLIP;
else if((domainSettings->typeFlags&OB_FSBND_FREESLIP)) fsset.domainobsType = FLUIDSIM_OBSTACLE_FREESLIP;
fsset.domainobsPartslip = domainSettings->partSlipValue;
fsset.generateVertexVectors = (domainSettings->domainNovecgen==0);
// init blender trafo matrix
// fprintf(stderr,"elbeemInit - mpTrafo:\n");
{ int j;
for(i=0; i<4; i++) {
for(j=0; j<4; j++) {
fsset.surfaceTrafo[i*4+j] = invDomMat[j][i];
// fprintf(stderr,"elbeemInit - mpTrafo %d %d = %f (%d) \n", i,j, fsset.surfaceTrafo[i*4+j] , (i*4+j) );
}
} }
// init solver with settings
elbeemInit();
elbeemAddDomain(&fsset);
// init objects
channelObjCount = 0;
for(base=scene->base.first; base; base= base->next) {
FluidsimModifierData *fluidmdtmp = (FluidsimModifierData *)modifiers_findByType(base->object, eModifierType_Fluidsim);
obit = base->object;
//{ snprintf(debugStrBuffer,256,"DEBUG object name=%s, type=%d ...\n", obit->id.name, obit->type); elbeemDebugOut(debugStrBuffer); } // DEBUG
if( fluidmdtmp && // if has to match 3 places! // CHECKMATCH
(obit->type==OB_MESH) &&
(fluidmdtmp->fss->type != OB_FLUIDSIM_DOMAIN) &&
(fluidmdtmp->fss->type != OB_FLUIDSIM_PARTICLE))
{
float *verts=NULL;
int *tris=NULL;
int numVerts=0, numTris=0;
int o = channelObjCount;
int deform = (fluidmdtmp->fss->domainNovecgen); // misused value
// todo - use blenderInitElbeemMesh
int modifierIndex = modifiers_indexInObject(obit, (ModifierData *)fluidmdtmp);
elbeemMesh fsmesh;
elbeemResetMesh( &fsmesh );
fsmesh.type = fluidmdtmp->fss->type;
// get name of object for debugging solver
fsmesh.name = obit->id.name;
initElbeemMesh(scene, obit, &numVerts, &verts, &numTris, &tris, 0, modifierIndex);
fsmesh.numVertices = numVerts;
fsmesh.numTriangles = numTris;
fsmesh.vertices = verts;
fsmesh.triangles = tris;
fsmesh.channelSizeTranslation =
fsmesh.channelSizeRotation =
fsmesh.channelSizeScale =
fsmesh.channelSizeInitialVel =
fsmesh.channelSizeActive = allchannelSize;
fsmesh.channelTranslation = channelObjMove[o][0];
fsmesh.channelRotation = channelObjMove[o][1];
fsmesh.channelScale = channelObjMove[o][2];
fsmesh.channelActive = channelObjActive[o];
if( (fsmesh.type == OB_FLUIDSIM_FLUID) ||
(fsmesh.type == OB_FLUIDSIM_INFLOW)) {
fsmesh.channelInitialVel = channelObjInivel[o];
fsmesh.localInivelCoords = ((fluidmdtmp->fss->typeFlags&OB_FSINFLOW_LOCALCOORD)?1:0);
}
if( (fluidmdtmp->fss->typeFlags&OB_FSBND_NOSLIP)) fsmesh.obstacleType = FLUIDSIM_OBSTACLE_NOSLIP;
else if((fluidmdtmp->fss->typeFlags&OB_FSBND_PARTSLIP)) fsmesh.obstacleType = FLUIDSIM_OBSTACLE_PARTSLIP;
else if((fluidmdtmp->fss->typeFlags&OB_FSBND_FREESLIP)) fsmesh.obstacleType = FLUIDSIM_OBSTACLE_FREESLIP;
fsmesh.obstaclePartslip = fluidmdtmp->fss->partSlipValue;
fsmesh.volumeInitType = fluidmdtmp->fss->volumeInitType;
fsmesh.obstacleImpactFactor = fluidmdtmp->fss->surfaceSmoothing; // misused value
if(fsmesh.type == OB_FLUIDSIM_CONTROL)
{
// control fluids will get exported as whole
deform = 1;
fsmesh.cpsTimeStart = fluidmdtmp->fss->cpsTimeStart;
fsmesh.cpsTimeEnd = fluidmdtmp->fss->cpsTimeEnd;
fsmesh.cpsQuality = fluidmdtmp->fss->cpsQuality;
fsmesh.obstacleType = (fluidmdtmp->fss->flag & OB_FLUIDSIM_REVERSE);
fsmesh.channelSizeAttractforceRadius =
fsmesh.channelSizeVelocityforceStrength =
fsmesh.channelSizeVelocityforceRadius =
fsmesh.channelSizeAttractforceStrength = allchannelSize;
fsmesh.channelAttractforceStrength = channelAttractforceStrength[o];
fsmesh.channelAttractforceRadius = channelAttractforceRadius[o];
fsmesh.channelVelocityforceStrength = channelVelocityforceStrength[o];
fsmesh.channelVelocityforceRadius = channelVelocityforceRadius[o];
}
else
{
// set channels to 0
fsmesh.channelAttractforceStrength =
fsmesh.channelAttractforceRadius =
fsmesh.channelVelocityforceStrength =
fsmesh.channelVelocityforceRadius = NULL;
}
// animated meshes
if(deform) {
fsmesh.channelSizeVertices = allchannelSize;
fluidsimInitMeshChannel(C, &fsmesh.channelVertices, allchannelSize, obit, numVerts, timeAtFrame, modifierIndex);
scene->r.cfra = startFrame;
ED_update_for_newframe(C, 1);
// remove channels
fsmesh.channelTranslation =
fsmesh.channelRotation =
fsmesh.channelScale = NULL;
}
elbeemAddMesh(&fsmesh);
if(verts) MEM_freeN(verts);
if(tris) MEM_freeN(tris);
if(fsmesh.channelVertices) MEM_freeN(fsmesh.channelVertices);
channelObjCount++;
} // valid mesh
} // objects
//domainSettings->type = OB_FLUIDSIM_DOMAIN; // enable for bake display again
// set to neutral, -1 means user abort, -2 means init error
globalBakeState = 0;
globalBakeFrame = 0;
BLI_init_threads(&threads, fluidsimSimulateThread, 1);
BLI_insert_thread(&threads, targetFile);
{
int done = 0;
float noFramesf = (float)noFrames;
float percentdone = 0.0;
int lastRedraw = -1;
g_break= 0;
G.afbreek= 0; /* blender_test_break uses this global */
start_progress_bar();
while(done==0) {
char busy_mess[80];
waitcursor(1);
// lukep we add progress bar as an interim mesure
percentdone = globalBakeFrame / noFramesf;
sprintf(busy_mess, "baking fluids %d / %d |||", globalBakeFrame, (int) noFramesf);
progress_bar(percentdone, busy_mess );
// longer delay to prevent frequent redrawing
PIL_sleep_ms(2000);
BLI_lock_thread(LOCK_CUSTOM1);
if(globalBakeState != 0) done = 1; // 1=ok, <0=error/abort
BLI_unlock_thread(LOCK_CUSTOM1);
if (!G.background) {
g_break= blender_test_break();
if(g_break)
{
// abort...
BLI_lock_thread(LOCK_CUSTOM1);
if(domainSettings)
domainSettings->lastgoodframe = startFrame+globalBakeFrame;
done = -1;
globalBakeFrame = 0;
globalBakeState = -1;
simAborted = 1;
BLI_unlock_thread(LOCK_CUSTOM1);
break;
}
}
// redraw the 3D for showing progress once in a while...
if(lastRedraw!=globalBakeFrame) {
#if 0
ScrArea *sa;
scene->r.cfra = startFrame+globalBakeFrame;
lastRedraw = globalBakeFrame;
ED_update_for_newframe(C, 1);
sa= G.curscreen->areabase.first;
while(sa) {
if(sa->spacetype == SPACE_VIEW3D) { scrarea_do_windraw(sa); }
sa= sa->next;
}
screen_swapbuffers();
#endif
} // redraw
}
end_progress_bar();
}
BLI_end_threads(&threads);
} // El'Beem API init, thread creation
// --------------------------------------------------------------------------------------------
else
{ // write config file to be run with command line simulator
BKE_report(reports, RPT_WARNING, "Config file export not supported.");
} // config file export done!
// --------------------------------------------------------------------------------------------
FS_FREE_CHANNELS;
// go back to "current" blender time
waitcursor(0);
if(globalBakeState >= 0)
{
if(domainSettings)
domainSettings->lastgoodframe = startFrame+globalBakeFrame;
}
scene->r.cfra = origFrame;
ED_update_for_newframe(C, 1);
if(!simAborted) {
char elbeemerr[256];
// check if some error occurred
if(globalBakeState==-2) {
elbeemGetErrorString(elbeemerr);
BKE_reportf(reports, RPT_ERROR, "Failed to initialize [Msg: %s]", elbeemerr);
return 0;
} // init error
}
// elbeemFree();
return 1;
}
static int fluidsimBake(bContext *C, ReportList *reports, Object *fsDomain, short do_job)
{
Scene *scene= CTX_data_scene(C);
int i;
FluidsimSettings *domainSettings;
char debugStrBuffer[256];
int gridlevels = 0;
const char *relbase= modifier_path_relbase(fsDomain);
const char *strEnvName = "BLENDER_ELBEEMDEBUG"; // from blendercall.cpp
const char *suffixConfigTmp = FLUID_SUFFIX_CONFIG_TMP;
const char *suffixSurface = FLUID_SUFFIX_SURFACE;
char targetDir[FILE_MAX]; // store & modify output settings
char targetFile[FILE_MAX]; // temp. store filename from targetDir for access
int outStringsChanged = 0; // modified? copy back before baking
float domainMat[4][4];
float invDomMat[4][4];
int noFrames;
int origFrame = scene->r.cfra;
FluidAnimChannels *channels = MEM_callocN(sizeof(FluidAnimChannels), "fluid domain animation channels");
ListBase *fobjects = MEM_callocN(sizeof(ListBase), "fluid objects");
FluidsimModifierData *fluidmd = NULL;
Mesh *mesh = NULL;
FluidBakeJob *fb;
elbeemSimulationSettings *fsset= MEM_callocN(sizeof(elbeemSimulationSettings), "Fluid sim settings");
fb= MEM_callocN(sizeof(FluidBakeJob), "fluid bake job");
if (getenv(strEnvName)) {
int dlevel = atoi(getenv(strEnvName));
elbeemSetDebugLevel(dlevel);
BLI_snprintf(debugStrBuffer, sizeof(debugStrBuffer), "fluidsimBake::msg: Debug messages activated due to envvar '%s'\n", strEnvName);
elbeemDebugOut(debugStrBuffer);
}
/* make sure it corresponds to startFrame setting (old: noFrames = scene->r.efra - scene->r.sfra +1) */;
noFrames = scene->r.efra - 0;
if (noFrames<=0) {
BKE_report(reports, RPT_ERROR, "No frames to export (check your animation range settings)");
fluidbake_free_data(channels, fobjects, fsset, fb);
return 0;
}
/* check scene for sane object/modifier settings */
if (!fluid_validate_scene(reports, scene, fsDomain)) {
fluidbake_free_data(channels, fobjects, fsset, fb);
return 0;
}
/* these both have to be valid, otherwise we wouldn't be here */
fluidmd = (FluidsimModifierData *)modifiers_findByType(fsDomain, eModifierType_Fluidsim);
domainSettings = fluidmd->fss;
mesh = fsDomain->data;
domainSettings->bakeStart = 1;
domainSettings->bakeEnd = scene->r.efra;
// calculate bounding box
fluid_get_bb(mesh->mvert, mesh->totvert, fsDomain->obmat, domainSettings->bbStart, domainSettings->bbSize);
// reset last valid frame
domainSettings->lastgoodframe = -1;
/* delete old baked files */
fluidsim_delete_until_lastframe(domainSettings, relbase);
/* rough check of settings... */
if (domainSettings->previewresxyz > domainSettings->resolutionxyz) {
BLI_snprintf(debugStrBuffer, sizeof(debugStrBuffer), "fluidsimBake::warning - Preview (%d) >= Resolution (%d)... setting equal.\n", domainSettings->previewresxyz, domainSettings->resolutionxyz);
elbeemDebugOut(debugStrBuffer);
domainSettings->previewresxyz = domainSettings->resolutionxyz;
}
// set adaptive coarsening according to resolutionxyz
// this should do as an approximation, with in/outflow
// doing this more accurate would be overkill
// perhaps add manual setting?
if (domainSettings->maxRefine <0) {
if (domainSettings->resolutionxyz>128) {
gridlevels = 2;
}
else if (domainSettings->resolutionxyz > 64) {
gridlevels = 1;
}
else {
gridlevels = 0;
}
}
else {
gridlevels = domainSettings->maxRefine;
}
BLI_snprintf(debugStrBuffer, sizeof(debugStrBuffer), "fluidsimBake::msg: Baking %s, refine: %d\n", fsDomain->id.name, gridlevels);
elbeemDebugOut(debugStrBuffer);
/* ******** prepare output file paths ******** */
outStringsChanged = fluid_init_filepaths(fsDomain, targetDir, targetFile, debugStrBuffer);
channels->length = scene->r.efra; // DG TODO: why using endframe and not "noFrames" here? .. because "noFrames" is buggy too? (not using sfra)
channels->aniFrameTime = (double)((double)domainSettings->animEnd - (double)domainSettings->animStart) / (double)noFrames;
/* ******** initialize and allocate animation channels ******** */
fluid_init_all_channels(C, fsDomain, domainSettings, channels, fobjects);
/* reset to original current frame */
scene->r.cfra = origFrame;
ED_update_for_newframe(CTX_data_main(C), scene, 1);
/* ******** init domain object's matrix ******** */
copy_m4_m4(domainMat, fsDomain->obmat);
if (!invert_m4_m4(invDomMat, domainMat)) {
BLI_snprintf(debugStrBuffer, sizeof(debugStrBuffer), "fluidsimBake::error - Invalid obj matrix?\n");
elbeemDebugOut(debugStrBuffer);
BKE_report(reports, RPT_ERROR, "Invalid object matrix");
fluidbake_free_data(channels, fobjects, fsset, fb);
return 0;
}
/* ******** start writing / exporting ******** */
// use .tmp, don't overwrite/delete original file
BLI_join_dirfile(targetFile, sizeof(targetFile), targetDir, suffixConfigTmp);
// make sure these directories exist as well
if (outStringsChanged) {
BLI_make_existing_file(targetFile);
}
/* ******** export domain to elbeem ******** */
elbeemResetSettings(fsset);
fsset->version = 1;
fsset->threads = (domainSettings->threads == 0) ? BKE_scene_num_threads(scene) : domainSettings->threads;
// setup global settings
copy_v3_v3(fsset->geoStart, domainSettings->bbStart);
copy_v3_v3(fsset->geoSize, domainSettings->bbSize);
// simulate with 50^3
fsset->resolutionxyz = (int)domainSettings->resolutionxyz;
fsset->previewresxyz = (int)domainSettings->previewresxyz;
fsset->realsize = get_fluid_size_m(scene, fsDomain, domainSettings);
fsset->viscosity = get_fluid_viscosity(domainSettings);
get_fluid_gravity(fsset->gravity, scene, domainSettings);
// simulate 5 frames, each 0.03 seconds, output to ./apitest_XXX.bobj.gz
fsset->animStart = domainSettings->animStart;
fsset->aniFrameTime = channels->aniFrameTime;
fsset->noOfFrames = noFrames; // is otherwise subtracted in parser
BLI_join_dirfile(targetFile, sizeof(targetFile), targetDir, suffixSurface);
// defaults for compressibility and adaptive grids
fsset->gstar = domainSettings->gstar;
fsset->maxRefine = domainSettings->maxRefine; // check <-> gridlevels
fsset->generateParticles = domainSettings->generateParticles;
fsset->numTracerParticles = domainSettings->generateTracers;
fsset->surfaceSmoothing = domainSettings->surfaceSmoothing;
fsset->surfaceSubdivs = domainSettings->surfaceSubdivs;
fsset->farFieldSize = domainSettings->farFieldSize;
BLI_strncpy(fsset->outputPath, targetFile, sizeof(fsset->outputPath));
// domain channels
fsset->channelSizeFrameTime =
fsset->channelSizeViscosity =
fsset->channelSizeGravity = channels->length;
fsset->channelFrameTime = channels->DomainTime;
fsset->channelViscosity = channels->DomainViscosity;
fsset->channelGravity = channels->DomainGravity;
fsset->runsimCallback = &runSimulationCallback;
fsset->runsimUserData = fb;
if (domainSettings->typeFlags & OB_FSBND_NOSLIP) fsset->domainobsType = FLUIDSIM_OBSTACLE_NOSLIP;
else if (domainSettings->typeFlags&OB_FSBND_PARTSLIP) fsset->domainobsType = FLUIDSIM_OBSTACLE_PARTSLIP;
else if (domainSettings->typeFlags&OB_FSBND_FREESLIP) fsset->domainobsType = FLUIDSIM_OBSTACLE_FREESLIP;
fsset->domainobsPartslip = domainSettings->partSlipValue;
/* use domainobsType also for surface generation flag (bit: >=64) */
if (domainSettings->typeFlags & OB_FSSG_NOOBS)
fsset->mFsSurfGenSetting = FLUIDSIM_FSSG_NOOBS;
else
fsset->mFsSurfGenSetting = 0; // "normal" mode
fsset->generateVertexVectors = (domainSettings->domainNovecgen==0);
// init blender domain transform matrix
{ int j;
for (i=0; i<4; i++) {
for (j=0; j<4; j++) {
fsset->surfaceTrafo[i*4+j] = invDomMat[j][i];
}
} }
/* ******** init solver with settings ******** */
elbeemInit();
elbeemAddDomain(fsset);
/* ******** export all fluid objects to elbeem ******** */
export_fluid_objects(fobjects, scene, channels->length);
/* custom data for fluid bake job */
fb->settings = fsset;
if (do_job) {
wmJob *wm_job = WM_jobs_get(CTX_wm_manager(C), CTX_wm_window(C), scene, "Fluid Simulation",
WM_JOB_PROGRESS, WM_JOB_TYPE_OBJECT_SIM_FLUID);
/* setup job */
WM_jobs_customdata_set(wm_job, fb, fluidbake_free);
WM_jobs_timer(wm_job, 0.1, NC_SCENE|ND_FRAME, NC_SCENE|ND_FRAME);
WM_jobs_callbacks(wm_job, fluidbake_startjob, NULL, NULL, fluidbake_endjob);
WM_jobs_start(CTX_wm_manager(C), wm_job);
}
else {
short dummy_stop = 0, dummy_do_update = 0;
float dummy_progress = 0.0f;
/* blocking, use with exec() */
fluidbake_startjob((void *)fb, &dummy_stop, &dummy_do_update, &dummy_progress);
fluidbake_endjob((void *)fb);
fluidbake_free((void *)fb);
}
/* ******** free stored animation data ******** */
fluidbake_free_data(channels, fobjects, NULL, NULL);
// elbeemFree();
return 1;
}
int fluidsimBake(bContext *C, ReportList *reports, Object *fsDomain)
{
Scene *scene= CTX_data_scene(C);
int i;
FluidsimSettings *domainSettings;
char debugStrBuffer[256];
int gridlevels = 0;
const char *strEnvName = "BLENDER_ELBEEMDEBUG"; // from blendercall.cpp
const char *suffixConfig = FLUID_SUFFIX_CONFIG;
const char *suffixSurface = FLUID_SUFFIX_SURFACE;
char targetDir[FILE_MAXDIR+FILE_MAXFILE]; // store & modify output settings
char targetFile[FILE_MAXDIR+FILE_MAXFILE]; // temp. store filename from targetDir for access
int outStringsChanged = 0; // modified? copy back before baking
float domainMat[4][4];
float invDomMat[4][4];
int noFrames;
int origFrame = scene->r.cfra;
FluidAnimChannels *channels = MEM_callocN(sizeof(FluidAnimChannels), "fluid domain animation channels");
ListBase *fobjects = MEM_callocN(sizeof(ListBase), "fluid objects");
FluidsimModifierData *fluidmd = NULL;
Mesh *mesh = NULL;
wmJob *steve;
FluidBakeJob *fb;
elbeemSimulationSettings *fsset= MEM_callocN(sizeof(elbeemSimulationSettings), "Fluid sim settings");
steve= WM_jobs_get(CTX_wm_manager(C), CTX_wm_window(C), scene, "Fluid Simulation", WM_JOB_PROGRESS);
fb= MEM_callocN(sizeof(FluidBakeJob), "fluid bake job");
if(getenv(strEnvName)) {
int dlevel = atoi(getenv(strEnvName));
elbeemSetDebugLevel(dlevel);
snprintf(debugStrBuffer,256,"fluidsimBake::msg: Debug messages activated due to envvar '%s'\n",strEnvName);
elbeemDebugOut(debugStrBuffer);
}
/* make sure it corresponds to startFrame setting (old: noFrames = scene->r.efra - scene->r.sfra +1) */;
noFrames = scene->r.efra - 0;
if(noFrames<=0) {
BKE_report(reports, RPT_ERROR, "No frames to export - check your animation range settings.");
fluidbake_free_data(channels, fobjects, fsset, fb);
return 0;
}
/* check scene for sane object/modifier settings */
if (!fluid_validate_scene(reports, scene, fsDomain)) {
fluidbake_free_data(channels, fobjects, fsset, fb);
return 0;
}
/* these both have to be valid, otherwise we wouldnt be here */
fluidmd = (FluidsimModifierData *)modifiers_findByType(fsDomain, eModifierType_Fluidsim);
domainSettings = fluidmd->fss;
mesh = fsDomain->data;
domainSettings->bakeStart = 1;
domainSettings->bakeEnd = scene->r.efra;
// calculate bounding box
fluid_get_bb(mesh->mvert, mesh->totvert, fsDomain->obmat, domainSettings->bbStart, domainSettings->bbSize);
// reset last valid frame
domainSettings->lastgoodframe = -1;
/* rough check of settings... */
if(domainSettings->previewresxyz > domainSettings->resolutionxyz) {
snprintf(debugStrBuffer,256,"fluidsimBake::warning - Preview (%d) >= Resolution (%d)... setting equal.\n", domainSettings->previewresxyz , domainSettings->resolutionxyz);
elbeemDebugOut(debugStrBuffer);
domainSettings->previewresxyz = domainSettings->resolutionxyz;
}
// set adaptive coarsening according to resolutionxyz
// this should do as an approximation, with in/outflow
// doing this more accurate would be overkill
// perhaps add manual setting?
if(domainSettings->maxRefine <0) {
if(domainSettings->resolutionxyz>128) {
gridlevels = 2;
} else
if(domainSettings->resolutionxyz>64) {
gridlevels = 1;
} else {
gridlevels = 0;
}
} else {
gridlevels = domainSettings->maxRefine;
}
snprintf(debugStrBuffer,256,"fluidsimBake::msg: Baking %s, refine: %d\n", fsDomain->id.name , gridlevels );
elbeemDebugOut(debugStrBuffer);
/* ******** prepare output file paths ******** */
outStringsChanged = fluid_init_filepaths(fsDomain, targetDir, targetFile, debugStrBuffer);
channels->length = scene->r.efra;
channels->aniFrameTime = (domainSettings->animEnd - domainSettings->animStart)/(double)noFrames;
/* ******** initialise and allocate animation channels ******** */
fluid_init_all_channels(C, fsDomain, domainSettings, channels, fobjects);
/* reset to original current frame */
scene->r.cfra = origFrame;
ED_update_for_newframe(CTX_data_main(C), scene, CTX_wm_screen(C), 1);
/* ---- XXX: No Time animation curve for now, leaving this code here for reference
{ int timeIcu[1] = { FLUIDSIM_TIME };
float timeDef[1] = { 1. };
// time channel is a bit special, init by hand...
timeAtIndex = MEM_callocN( (allchannelSize+1)*1*sizeof(float), "fluidsiminit_timeatindex");
for(i=0; i<=scene->r.efra; i++) {
timeAtIndex[i] = (float)(i-startFrame);
}
fluidsimInitChannel(scene, &channelDomainTime, allchannelSize, timeAtIndex, timeIcu,timeDef, domainSettings->ipo, CHANNEL_FLOAT ); // NDEB
// time channel is a multiplicator for
if(channelDomainTime) {
for(i=0; i<allchannelSize; i++) {
channelDomainTime[i*2+0] = aniFrameTime * channelDomainTime[i*2+0];
if(channelDomainTime[i*2+0]<0.) channelDomainTime[i*2+0] = 0.;
}
}
timeAtFrame = MEM_callocN( (allchannelSize+1)*1*sizeof(float), "fluidsiminit_timeatframe");
timeAtFrame[0] = timeAtFrame[1] = domainSettings->animStart; // start at index 1
if(channelDomainTime) {
for(i=2; i<=allchannelSize; i++) {
timeAtFrame[i] = timeAtFrame[i-1]+channelDomainTime[(i-1)*2+0];
}
fsset->} else {
for(i=2; i<=allchannelSize; i++) { timeAtFrame[i] = timeAtFrame[i-1]+aniFrameTime; }
}
} // domain channel init
*/
/* ******** init domain object's matrix ******** */
copy_m4_m4(domainMat, fsDomain->obmat);
if(!invert_m4_m4(invDomMat, domainMat)) {
snprintf(debugStrBuffer,256,"fluidsimBake::error - Invalid obj matrix?\n");
elbeemDebugOut(debugStrBuffer);
BKE_report(reports, RPT_ERROR, "Invalid object matrix.");
fluidbake_free_data(channels, fobjects, fsset, fb);
return 0;
}
/* ******** start writing / exporting ******** */
// use .tmp, dont overwrite/delete original file
BLI_snprintf(targetFile, sizeof(targetFile), "%s%s.tmp", targetDir, suffixConfig);
// make sure these directories exist as well
if(outStringsChanged) {
BLI_make_existing_file(targetFile);
}
/* ******** export domain to elbeem ******** */
elbeemResetSettings(fsset);
fsset->version = 1;
// setup global settings
copy_v3_v3(fsset->geoStart, domainSettings->bbStart);
copy_v3_v3(fsset->geoSize, domainSettings->bbSize);
// simulate with 50^3
fsset->resolutionxyz = (int)domainSettings->resolutionxyz;
fsset->previewresxyz = (int)domainSettings->previewresxyz;
fsset->realsize = get_fluid_size_m(scene, fsDomain, domainSettings);
fsset->viscosity = get_fluid_viscosity(domainSettings);
get_fluid_gravity(fsset->gravity, scene, domainSettings);
// simulate 5 frames, each 0.03 seconds, output to ./apitest_XXX.bobj.gz
fsset->animStart = domainSettings->animStart;
fsset->aniFrameTime = channels->aniFrameTime;
fsset->noOfFrames = noFrames; // is otherwise subtracted in parser
BLI_snprintf(targetFile, sizeof(targetFile), "%s%s", targetDir, suffixSurface);
// defaults for compressibility and adaptive grids
fsset->gstar = domainSettings->gstar;
fsset->maxRefine = domainSettings->maxRefine; // check <-> gridlevels
fsset->generateParticles = domainSettings->generateParticles;
fsset->numTracerParticles = domainSettings->generateTracers;
fsset->surfaceSmoothing = domainSettings->surfaceSmoothing;
fsset->surfaceSubdivs = domainSettings->surfaceSubdivs;
fsset->farFieldSize = domainSettings->farFieldSize;
BLI_strncpy(fsset->outputPath, targetFile, sizeof(fsset->outputPath));
// domain channels
fsset->channelSizeFrameTime =
fsset->channelSizeViscosity =
fsset->channelSizeGravity = channels->length;
fsset->channelFrameTime = channels->DomainTime;
fsset->channelViscosity = channels->DomainViscosity;
fsset->channelGravity = channels->DomainGravity;
fsset->runsimCallback = &runSimulationCallback;
fsset->runsimUserData = fb;
if (domainSettings->typeFlags & OB_FSBND_NOSLIP) fsset->domainobsType = FLUIDSIM_OBSTACLE_NOSLIP;
else if (domainSettings->typeFlags&OB_FSBND_PARTSLIP) fsset->domainobsType = FLUIDSIM_OBSTACLE_PARTSLIP;
else if (domainSettings->typeFlags&OB_FSBND_FREESLIP) fsset->domainobsType = FLUIDSIM_OBSTACLE_FREESLIP;
fsset->domainobsPartslip = domainSettings->partSlipValue;
fsset->generateVertexVectors = (domainSettings->domainNovecgen==0);
// init blender domain transform matrix
{ int j;
for(i=0; i<4; i++) {
for(j=0; j<4; j++) {
fsset->surfaceTrafo[i*4+j] = invDomMat[j][i];
}
} }
/* ******** init solver with settings ******** */
elbeemInit();
elbeemAddDomain(fsset);
/* ******** export all fluid objects to elbeem ******** */
export_fluid_objects(fobjects, scene, channels->length);
/* custom data for fluid bake job */
fb->settings = fsset;
/* setup job */
WM_jobs_customdata(steve, fb, fluidbake_free);
WM_jobs_timer(steve, 0.1, NC_SCENE|ND_FRAME, NC_SCENE|ND_FRAME);
WM_jobs_callbacks(steve, fluidbake_startjob, NULL, NULL, fluidbake_endjob);
WM_jobs_start(CTX_wm_manager(C), steve);
/* ******** free stored animation data ******** */
fluidbake_free_data(channels, fobjects, NULL, NULL);
// elbeemFree();
return 1;
}