static DerivedMesh *fluidsim_read_cache(DerivedMesh *orgdm, FluidsimModifierData *fluidmd, int framenr, int useRenderParams)
{
int displaymode = 0;
int curFrame = framenr - 1 /*scene->r.sfra*/; /* start with 0 at start frame */
char targetDir[FILE_MAXFILE+FILE_MAXDIR], targetFile[FILE_MAXFILE+FILE_MAXDIR];
FluidsimSettings *fss = fluidmd->fss;
DerivedMesh *dm = NULL;
MFace *mface;
int numfaces;
int mat_nr, flag, i;
if(!useRenderParams) {
displaymode = fss->guiDisplayMode;
} else {
displaymode = fss->renderDisplayMode;
}
BLI_strncpy(targetDir, fss->surfdataPath, sizeof(targetDir));
// use preview or final mesh?
if(displaymode==1)
{
// just display original object
return NULL;
}
else if(displaymode==2)
{
strcat(targetDir,"fluidsurface_preview_####");
}
else
{ // 3
strcat(targetDir,"fluidsurface_final_####");
}
BLI_path_abs(targetDir, G.main->name);
BLI_path_frame(targetDir, curFrame, 0); // fixed #frame-no
BLI_snprintf(targetFile, sizeof(targetFile), "%s.bobj.gz", targetDir);
dm = fluidsim_read_obj(targetFile);
if(!dm)
{
// switch, abort background rendering when fluidsim mesh is missing
const char *strEnvName2 = "BLENDER_ELBEEMBOBJABORT"; // from blendercall.cpp
if(G.background==1) {
if(getenv(strEnvName2)) {
int elevel = atoi(getenv(strEnvName2));
if(elevel>0) {
printf("Env. var %s set, fluid sim mesh '%s' not found, aborting render...\n",strEnvName2, targetFile);
exit(1);
}
}
}
// display org. object upon failure which is in dm
return NULL;
}
// assign material + flags to new dm
mface = orgdm->getFaceArray(orgdm);
mat_nr = mface[0].mat_nr;
flag = mface[0].flag;
mface = dm->getFaceArray(dm);
numfaces = dm->getNumFaces(dm);
for(i=0; i<numfaces; i++)
{
mface[i].mat_nr = mat_nr;
mface[i].flag = flag;
}
// load vertex velocities, if they exist...
// TODO? use generate flag as loading flag as well?
// warning, needs original .bobj.gz mesh loading filename
if(displaymode==3)
{
fluidsim_read_vel_cache(fluidmd, dm, targetFile);
}
else
{
if(fss->meshVelocities)
MEM_freeN(fss->meshVelocities);
fss->meshVelocities = NULL;
}
return dm;
}
static DerivedMesh *fluidsim_read_cache(Object *ob, DerivedMesh *orgdm,
FluidsimModifierData *fluidmd, int framenr, int useRenderParams)
{
int displaymode = 0;
int curFrame = framenr - 1 /*scene->r.sfra*/; /* start with 0 at start frame */
char targetFile[FILE_MAX];
FluidsimSettings *fss = fluidmd->fss;
DerivedMesh *dm = NULL;
MPoly *mpoly;
MPoly mp_example = {0};
if (!useRenderParams) {
displaymode = fss->guiDisplayMode;
}
else {
displaymode = fss->renderDisplayMode;
}
switch (displaymode) {
case 1:
/* just display original object */
return NULL;
case 2:
/* use preview mesh */
BLI_join_dirfile(targetFile, sizeof(targetFile), fss->surfdataPath, OB_FLUIDSIM_SURF_PREVIEW_OBJ_FNAME);
break;
default: /* 3 */
/* 3. use final mesh */
BLI_join_dirfile(targetFile, sizeof(targetFile), fss->surfdataPath, OB_FLUIDSIM_SURF_FINAL_OBJ_FNAME);
break;
}
/* offset baked frame */
curFrame += fss->frameOffset;
BLI_path_abs(targetFile, modifier_path_relbase(ob));
BLI_path_frame(targetFile, curFrame, 0); // fixed #frame-no
// assign material + flags to new dm
// if there's no faces in original dm, keep materials and flags unchanged
mpoly = orgdm->getPolyArray(orgdm);
if (mpoly) {
mp_example = *mpoly;
}
/* else leave NULL'd */
dm = fluidsim_read_obj(targetFile, &mp_example);
if (!dm) {
// switch, abort background rendering when fluidsim mesh is missing
const char *strEnvName2 = "BLENDER_ELBEEMBOBJABORT"; // from blendercall.cpp
if (G.background == 1) {
if (getenv(strEnvName2)) {
int elevel = atoi(getenv(strEnvName2));
if (elevel > 0) {
printf("Env. var %s set, fluid sim mesh '%s' not found, aborting render...\n",
strEnvName2, targetFile);
exit(1);
}
}
}
// display org. object upon failure which is in dm
return NULL;
}
// load vertex velocities, if they exist...
// TODO? use generate flag as loading flag as well?
// warning, needs original .bobj.gz mesh loading filename
if (displaymode == 3) {
fluidsim_read_vel_cache(fluidmd, dm, targetFile);
}
else {
if (fss->meshVelocities)
MEM_freeN(fss->meshVelocities);
fss->meshVelocities = NULL;
}
return dm;
}