DerivedMesh *fluidsimModifier_do(FluidsimModifierData *fluidmd, Scene *scene,
Object *ob,
DerivedMesh *dm,
int useRenderParams, int UNUSED(isFinalCalc))
{
#ifdef WITH_MOD_FLUID
DerivedMesh *result = NULL;
int framenr;
FluidsimSettings *fss = NULL;
framenr= (int)scene->r.cfra;
// only handle fluidsim domains
if(fluidmd && fluidmd->fss && (fluidmd->fss->type != OB_FLUIDSIM_DOMAIN))
return dm;
// sanity check
if(!fluidmd || (fluidmd && !fluidmd->fss))
return dm;
fss = fluidmd->fss;
// timescale not supported yet
// clmd->sim_parms->timescale= timescale;
// support reversing of baked fluid frames here
if((fss->flag & OB_FLUIDSIM_REVERSE) && (fss->lastgoodframe >= 0))
{
framenr = fss->lastgoodframe - framenr + 1;
CLAMP(framenr, 1, fss->lastgoodframe);
}
/* try to read from cache */
/* if the frame is there, fine, otherwise don't do anything */
if((result = fluidsim_read_cache(ob, dm, fluidmd, framenr, useRenderParams)))
return result;
return dm;
#else
/* unused */
(void)fluidmd;
(void)scene;
(void)ob;
(void)dm;
(void)useRenderParams;
return NULL;
#endif
}
DerivedMesh *fluidsimModifier_do(FluidsimModifierData *fluidmd, Scene *scene, Object *ob, DerivedMesh *dm, int useRenderParams, int isFinalCalc)
{
#ifndef DISABLE_ELBEEM
DerivedMesh *result = NULL;
int framenr;
FluidsimSettings *fss = NULL;
framenr= (int)scene->r.cfra;
// only handle fluidsim domains
if(fluidmd && fluidmd->fss && (fluidmd->fss->type != OB_FLUIDSIM_DOMAIN))
return dm;
// sanity check
if(!fluidmd || (fluidmd && !fluidmd->fss))
return dm;
fss = fluidmd->fss;
// timescale not supported yet
// clmd->sim_parms->timescale= timescale;
// support reversing of baked fluid frames here
if((fss->flag & OB_FLUIDSIM_REVERSE) && (fss->lastgoodframe >= 0))
{
framenr = fss->lastgoodframe - framenr + 1;
CLAMP(framenr, 1, fss->lastgoodframe);
}
/* try to read from cache */
if(((fss->lastgoodframe >= framenr) || (fss->lastgoodframe < 0)) && (result = fluidsim_read_cache(ob, dm, fluidmd, framenr, useRenderParams)))
{
// fss->lastgoodframe = framenr; // set also in src/fluidsim.c
return result;
}
else
{
// display last known good frame
if(fss->lastgoodframe >= 0)
{
if((result = fluidsim_read_cache(ob, dm, fluidmd, fss->lastgoodframe, useRenderParams)))
{
return result;
}
// it was supposed to be a valid frame but it isn't!
fss->lastgoodframe = framenr - 1;
// this could be likely the case when you load an old fluidsim
if((result = fluidsim_read_cache(ob, dm, fluidmd, fss->lastgoodframe, useRenderParams)))
{
return result;
}
}
result = CDDM_copy(dm);
if(result)
{
return result;
}
}
return dm;
#else
return NULL;
#endif
}
