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;
}