case PART_KINK_WAVE:
vec[axis]=1.0;
if(obmat)
- Mat4MulVecfl(obmat,vec);
+ Mat4Mul3Vecfl(obmat,vec);
if(par_rot)
QuatMulVecf(par_rot,vec);
int from=PART_FROM_FACE;
totparent=(int)(totchild*part->parents*0.3);
+ if(G.rendering && part->child_nbr && part->ren_child_nbr)
+ totparent*=(float)part->child_nbr/(float)part->ren_child_nbr;
+
tree=BLI_kdtree_new(totparent);
for(p=0,cpa=psys->child; p<totparent; p++,cpa++){
- psys_particle_on_emitter(psmd,from,cpa->num,-1,cpa->fuv,cpa->foffset,co,0,0,0,orco,0);
+ psys_particle_on_emitter(psmd,from,cpa->num,DMCACHE_ISCHILD,cpa->fuv,cpa->foffset,co,0,0,0,orco,0);
BLI_kdtree_insert(tree, p, orco, NULL);
}
if(totchild && part->from!=PART_FROM_PARTICLE && part->childtype==PART_CHILD_FACES){
totparent=(int)(totchild*part->parents*0.3);
+
+ if(G.rendering && part->child_nbr && part->ren_child_nbr)
+ totparent*=(float)part->child_nbr/(float)part->ren_child_nbr;
+
/* part->parents could still be 0 so we can't test with totparent */
between=1;
}
ctx->steps= steps;
ctx->totchild= totchild;
ctx->totparent= totparent;
+ ctx->parent_pass= 0;
ctx->cfra= cfra;
psys->lattice = psys_get_lattice(ob, psys);
ParticleCacheKey *state, *par = NULL, *key[4];
ParticleData *pa=NULL;
ParticleTexture ptex;
- float *cpa_fuv=0;
+ float *cpa_fuv=0, *par_rot=0;
float co[3], orco[3], ornor[3], t, rough_t, cpa_1st[3], dvec[3];
float branch_begin, branch_end, branch_prob, branchfac, rough_rand;
float pa_rough1, pa_rough2, pa_roughe;
float length, pa_length, pa_clump, pa_kink, pa_effector;
float max_length = 1.0f, cur_length = 0.0f;
float eff_length, eff_vec[3];
- int k, cpa_num, guided=0;
+ int k, cpa_num, guided = 0;
short cpa_from;
if(part->flag & PART_BRANCHING) {
t=(float)k/(float)ctx->steps;
if(ctx->totparent){
- if(i>=ctx->totparent)
- /* this is not threadsafe, but should only happen for
- * branching particles particles, which are not threaded */
+ if(i>=ctx->totparent) {
+ /* this is now threadsafe, virtual parents are calculated before rest of children */
par = cache[cpa->parent] + k;
+ }
else
par=0;
}
else if(cpa->parent>=0){
par=pcache[cpa->parent]+k;
+ par_rot = par->rot;
}
/* apply different deformations to the child path */
if(guided==0){
if(part->kink)
- do_prekink((ParticleKey*)state, (ParticleKey*)par, par->rot, t,
+ do_prekink((ParticleKey*)state, (ParticleKey*)par, par_rot, t,
part->kink_freq * pa_kink, part->kink_shape, part->kink_amp, part->kink, part->kink_axis, ob->obmat);
do_clump((ParticleKey*)state, (ParticleKey*)par, t, part->clumpfac, part->clumppow, pa_clump);
ParticleSystem *psys= ctx->psys;
ParticleCacheKey **cache= psys->childcache;
ChildParticle *cpa;
- int i, totchild= ctx->totchild;
+ int i, totchild= ctx->totchild, first= 0;
+
+ if(thread->tot > 1){
+ first= ctx->parent_pass? 0 : ctx->totparent;
+ totchild= ctx->parent_pass? ctx->totparent : ctx->totchild;
+ }
- cpa= psys->child + thread->num;
- for(i=thread->num; i<totchild; i+=thread->tot, cpa+=thread->tot)
+ cpa= psys->child + first + thread->num;
+ for(i=first+thread->num; i<totchild; i+=thread->tot, cpa+=thread->tot)
psys_thread_create_path(thread, cpa, cache[i], i);
return 0;
totthread= pthreads[0].tot;
if(totthread > 1) {
+
+ /* make virtual child parents thread safe by calculating them first */
+ if(totparent) {
+ BLI_init_threads(&threads, exec_child_path_cache, totthread);
+
+ for(i=0; i<totthread; i++) {
+ pthreads[i].ctx->parent_pass = 1;
+ BLI_insert_thread(&threads, &pthreads[i]);
+ }
+
+ BLI_end_threads(&threads);
+
+ for(i=0; i<totthread; i++)
+ pthreads[i].ctx->parent_pass = 0;
+ }
+
BLI_init_threads(&threads, exec_child_path_cache, totthread);
for(i=0; i<totthread; i++)
if(totchild && part->from!=PART_FROM_PARTICLE && part->childtype==PART_CHILD_FACES){
totparent=(int)(totchild*part->parents*0.3);
+
+ if(G.rendering && part->child_nbr && part->ren_child_nbr)
+ totparent*=(float)part->child_nbr/(float)part->ren_child_nbr;
+
/* part->parents could still be 0 so we can't test with totparent */
between=1;
}