diff options
Diffstat (limited to 'source/blender/blenkernel/intern/particle_system.c')
| -rw-r--r-- | source/blender/blenkernel/intern/particle_system.c | 1215 |
1 files changed, 585 insertions, 630 deletions
diff --git a/source/blender/blenkernel/intern/particle_system.c b/source/blender/blenkernel/intern/particle_system.c index fb12cfe3147..1b6d56e6459 100644 --- a/source/blender/blenkernel/intern/particle_system.c +++ b/source/blender/blenkernel/intern/particle_system.c @@ -122,7 +122,6 @@ static int get_current_display_percentage(ParticleSystem *psys) void psys_reset(ParticleSystem *psys, int mode) { - ParticleSettings *part= psys->part; PARTICLE_P; if(ELEM(mode, PSYS_RESET_ALL, PSYS_RESET_DEPSGRAPH)) { @@ -165,20 +164,22 @@ void psys_reset(ParticleSystem *psys, int mode) psys->pointcache->simframe= 0; } -static void realloc_particles(Object *ob, ParticleSystem *psys, int new_totpart) +static void realloc_particles(ParticleSimulationData *sim, int new_totpart) { + ParticleSystem *psys = sim->psys; + ParticleSettings *part = psys->part; ParticleData *newpars = NULL; BoidParticle *newboids = NULL; PARTICLE_P; int totpart, totsaved = 0; if(new_totpart<0) { - if(psys->part->distr==PART_DISTR_GRID && psys->part->from != PART_FROM_VERT) { - totpart= psys->part->grid_res; + if(part->distr==PART_DISTR_GRID && part->from != PART_FROM_VERT) { + totpart= part->grid_res; totpart*=totpart*totpart; } else - totpart=psys->part->totpart; + totpart=part->totpart; } else totpart=new_totpart; @@ -213,6 +214,7 @@ static void realloc_particles(Object *ob, ParticleSystem *psys, int new_totpart) if(pa->hair) MEM_freeN(pa->hair); MEM_freeN(psys->particles); + psys_free_pdd(psys); } psys->particles=newpars; @@ -606,13 +608,13 @@ static int binary_search_distribution(float *sum, int n, float value) /* note: this function must be thread safe, for from == PART_FROM_CHILD */ #define ONLY_WORKING_WITH_PA_VERTS 0 -void psys_thread_distribute_particle(ParticleThread *thread, ParticleData *pa, ChildParticle *cpa, int p) +static void psys_thread_distribute_particle(ParticleThread *thread, ParticleData *pa, ChildParticle *cpa, int p) { ParticleThreadContext *ctx= thread->ctx; - Object *ob= ctx->ob; + Object *ob= ctx->sim.ob; DerivedMesh *dm= ctx->dm; ParticleData *tpa; - ParticleSettings *part= ctx->psys->part; +/* ParticleSettings *part= ctx->sim.psys->part; */ float *v1, *v2, *v3, *v4, nor[3], orco1[3], co1[3], co2[3], nor1[3], ornor1[3]; float cur_d, min_d, randu, randv; int from= ctx->from; @@ -625,7 +627,6 @@ void psys_thread_distribute_particle(ParticleThread *thread, ParticleData *pa, C pa->num= ctx->index[p]; pa->fuv[0] = 1.0f; pa->fuv[1] = pa->fuv[2] = pa->fuv[3] = 0.0; - //pa->verts[0] = pa->verts[1] = pa->verts[2] = 0; #if ONLY_WORKING_WITH_PA_VERTS if(ctx->tree){ @@ -653,7 +654,6 @@ void psys_thread_distribute_particle(ParticleThread *thread, ParticleData *pa, C ctx->jitoff[i] = fmod(ctx->jitoff[i],(float)ctx->jitlevel); psys_uv_to_w(ctx->jit[2*(int)ctx->jitoff[i]], ctx->jit[2*(int)ctx->jitoff[i]+1], mface->v4, pa->fuv); ctx->jitoff[i]++; - //ctx->jitoff[i]=(float)fmod(ctx->jitoff[i]+ctx->maxweight/ctx->weight[i],(float)ctx->jitlevel); break; case PART_DISTR_RAND: randu= rng_getFloat(thread->rng); @@ -663,12 +663,6 @@ void psys_thread_distribute_particle(ParticleThread *thread, ParticleData *pa, C } pa->foffset= 0.0f; - /* - pa->verts[0] = mface->v1; - pa->verts[1] = mface->v2; - pa->verts[2] = mface->v3; - */ - /* experimental */ if(from==PART_FROM_VOLUME){ MVert *mvert=dm->getVertDataArray(dm,CD_MVERT); @@ -724,10 +718,6 @@ void psys_thread_distribute_particle(ParticleThread *thread, ParticleData *pa, C } } else if(from == PART_FROM_PARTICLE) { - //pa->verts[0]=0; /* not applicable */ - //pa->verts[1]=0; - //pa->verts[2]=0; - tpa=ctx->tpars+ctx->index[p]; pa->num=ctx->index[p]; pa->fuv[0]=tpa->fuv[0]; @@ -743,42 +733,30 @@ void psys_thread_distribute_particle(ParticleThread *thread, ParticleData *pa, C cpa->num=0; cpa->fuv[0]=cpa->fuv[1]=cpa->fuv[2]=cpa->fuv[3]=0.0f; cpa->pa[0]=cpa->pa[1]=cpa->pa[2]=cpa->pa[3]=0; - cpa->rand[0]=cpa->rand[1]=cpa->rand[2]=0.0f; return; } mf= dm->getFaceData(dm, ctx->index[p], CD_MFACE); - //switch(distr){ - // case PART_DISTR_JIT: - // i=index[p]; - // psys_uv_to_w(ctx->jit[2*(int)ctx->jitoff[i]], ctx->jit[2*(int)ctx->jitoff[i]+1], mf->v4, cpa->fuv); - // ctx->jitoff[i]=(float)fmod(ctx->jitoff[i]+ctx->maxweight/ctx->weight[i],(float)ctx->jitlevel); - // break; - // case PART_DISTR_RAND: - randu= rng_getFloat(thread->rng); - randv= rng_getFloat(thread->rng); - psys_uv_to_w(randu, randv, mf->v4, cpa->fuv); - // break; - //} + randu= rng_getFloat(thread->rng); + randv= rng_getFloat(thread->rng); + psys_uv_to_w(randu, randv, mf->v4, cpa->fuv); - cpa->rand[0] = rng_getFloat(thread->rng); - cpa->rand[1] = rng_getFloat(thread->rng); - cpa->rand[2] = rng_getFloat(thread->rng); cpa->num = ctx->index[p]; if(ctx->tree){ KDTreeNearest ptn[10]; - int w,maxw, do_seams; + int w,maxw;//, do_seams; float maxd,mind,dd,totw=0.0; int parent[10]; float pweight[10]; - do_seams= (part->flag&PART_CHILD_SEAMS && ctx->seams); + /*do_seams= (part->flag&PART_CHILD_SEAMS && ctx->seams);*/ psys_particle_on_dm(dm,cfrom,cpa->num,DMCACHE_ISCHILD,cpa->fuv,cpa->foffset,co1,nor1,0,0,orco1,ornor1); transform_mesh_orco_verts((Mesh*)ob->data, &orco1, 1, 1); - maxw = BLI_kdtree_find_n_nearest(ctx->tree,(do_seams)?10:4,orco1,ornor1,ptn); + //maxw = BLI_kdtree_find_n_nearest(ctx->tree,(do_seams)?10:4,orco1,ornor1,ptn); + maxw = BLI_kdtree_find_n_nearest(ctx->tree,4,orco1,ornor1,ptn); maxd=ptn[maxw-1].dist; mind=ptn[0].dist; @@ -788,70 +766,68 @@ void psys_thread_distribute_particle(ParticleThread *thread, ParticleData *pa, C for(w=0; w<maxw; w++){ parent[w]=ptn[w].index; pweight[w]=(float)pow(2.0,(double)(-6.0f*ptn[w].dist/maxd)); - //pweight[w]= (1.0f - ptn[w].dist*ptn[w].dist/(maxd*maxd)); - //pweight[w] *= pweight[w]; } for(;w<10; w++){ parent[w]=-1; pweight[w]=0.0f; } - if(do_seams){ - ParticleSeam *seam=ctx->seams; - float temp[3],temp2[3],tan[3]; - float inp,cur_len,min_len=10000.0f; - int min_seam=0, near_vert=0; - /* find closest seam */ - for(i=0; i<ctx->totseam; i++, seam++){ - VecSubf(temp,co1,seam->v0); - inp=Inpf(temp,seam->dir)/seam->length2; - if(inp<0.0f){ - cur_len=VecLenf(co1,seam->v0); - } - else if(inp>1.0f){ - cur_len=VecLenf(co1,seam->v1); - } - else{ - VecCopyf(temp2,seam->dir); - VecMulf(temp2,inp); - cur_len=VecLenf(temp,temp2); - } - if(cur_len<min_len){ - min_len=cur_len; - min_seam=i; - if(inp<0.0f) near_vert=-1; - else if(inp>1.0f) near_vert=1; - else near_vert=0; - } - } - seam=ctx->seams+min_seam; - - VecCopyf(temp,seam->v0); - - if(near_vert){ - if(near_vert==-1) - VecSubf(tan,co1,seam->v0); - else{ - VecSubf(tan,co1,seam->v1); - VecCopyf(temp,seam->v1); - } + //if(do_seams){ + // ParticleSeam *seam=ctx->seams; + // float temp[3],temp2[3],tan[3]; + // float inp,cur_len,min_len=10000.0f; + // int min_seam=0, near_vert=0; + // /* find closest seam */ + // for(i=0; i<ctx->totseam; i++, seam++){ + // VecSubf(temp,co1,seam->v0); + // inp=Inpf(temp,seam->dir)/seam->length2; + // if(inp<0.0f){ + // cur_len=VecLenf(co1,seam->v0); + // } + // else if(inp>1.0f){ + // cur_len=VecLenf(co1,seam->v1); + // } + // else{ + // VecCopyf(temp2,seam->dir); + // VecMulf(temp2,inp); + // cur_len=VecLenf(temp,temp2); + // } + // if(cur_len<min_len){ + // min_len=cur_len; + // min_seam=i; + // if(inp<0.0f) near_vert=-1; + // else if(inp>1.0f) near_vert=1; + // else near_vert=0; + // } + // } + // seam=ctx->seams+min_seam; + // + // VecCopyf(temp,seam->v0); + // + // if(near_vert){ + // if(near_vert==-1) + // VecSubf(tan,co1,seam->v0); + // else{ + // VecSubf(tan,co1,seam->v1); + // VecCopyf(temp,seam->v1); + // } + + // Normalize(tan); + // } + // else{ + // VecCopyf(tan,seam->tan); + // VecSubf(temp2,co1,temp); + // if(Inpf(tan,temp2)<0.0f) + // VecNegf(tan); + // } + // for(w=0; w<maxw; w++){ + // VecSubf(temp2,ptn[w].co,temp); + // if(Inpf(tan,temp2)<0.0f){ + // parent[w]=-1; + // pweight[w]=0.0f; + // } + // } - Normalize(tan); - } - else{ - VecCopyf(tan,seam->tan); - VecSubf(temp2,co1,temp); - if(Inpf(tan,temp2)<0.0f) - VecNegf(tan); - } - for(w=0; w<maxw; w++){ - VecSubf(temp2,ptn[w].co,temp); - if(Inpf(tan,temp2)<0.0f){ - parent[w]=-1; - pweight[w]=0.0f; - } - } - - } + //} for(w=0,i=0; w<maxw && i<4; w++){ if(parent[w]>=0){ @@ -877,7 +853,7 @@ void psys_thread_distribute_particle(ParticleThread *thread, ParticleData *pa, C static void *exec_distribution(void *data) { ParticleThread *thread= (ParticleThread*)data; - ParticleSystem *psys= thread->ctx->psys; + ParticleSystem *psys= thread->ctx->sim.psys; ParticleData *pa; ChildParticle *cpa; int p, totpart; @@ -944,11 +920,11 @@ static int compare_orig_index(const void *p1, const void *p2) /* 6. and we're done! */ /* This is to denote functionality that does not yet work with mesh - only derived mesh */ -int psys_threads_init_distribution(ParticleThread *threads, Scene *scene, DerivedMesh *finaldm, int from) +static int psys_threads_init_distribution(ParticleThread *threads, Scene *scene, DerivedMesh *finaldm, int from) { ParticleThreadContext *ctx= threads[0].ctx; - Object *ob= ctx->ob; - ParticleSystem *psys= ctx->psys; + Object *ob= ctx->sim.ob; + ParticleSystem *psys= ctx->sim.psys; Object *tob; ParticleData *pa=0, *tpars= 0; ParticleSettings *part; @@ -1000,49 +976,49 @@ int psys_threads_init_distribution(ParticleThread *threads, Scene *scene, Derive totpart=get_psys_tot_child(scene, psys); cfrom=from=PART_FROM_FACE; - if(part->flag&PART_CHILD_SEAMS){ - MEdge *ed, *medge=dm->getEdgeDataArray(dm,CD_MEDGE); - MVert *mvert=dm->getVertDataArray(dm,CD_MVERT); - int totedge=dm->getNumEdges(dm); + //if(part->flag&PART_CHILD_SEAMS){ + // MEdge *ed, *medge=dm->getEdgeDataArray(dm,CD_MEDGE); + // MVert *mvert=dm->getVertDataArray(dm,CD_MVERT); + // int totedge=dm->getNumEdges(dm); - for(p=0, ed=medge; p<totedge; p++,ed++) - if(ed->flag&ME_SEAM) - totseam++; + // for(p=0, ed=medge; p<totedge; p++,ed++) + // if(ed->flag&ME_SEAM) + // totseam++; - if(totseam){ - ParticleSeam *cur_seam=seams=MEM_callocN(totseam*sizeof(ParticleSeam),"Child Distribution Seams"); - float temp[3],temp2[3]; + // if(totseam){ + // ParticleSeam *cur_seam=seams=MEM_callocN(totseam*sizeof(ParticleSeam),"Child Distribution Seams"); + // float temp[3],temp2[3]; - for(p=0, ed=medge; p<totedge; p++,ed++){ - if(ed->flag&ME_SEAM){ - VecCopyf(cur_seam->v0,(mvert+ed->v1)->co); - VecCopyf(cur_seam->v1,(mvert+ed->v2)->co); + // for(p=0, ed=medge; p<totedge; p++,ed++){ + // if(ed->flag&ME_SEAM){ + // VecCopyf(cur_seam->v0,(mvert+ed->v1)->co); + // VecCopyf(cur_seam->v1,(mvert+ed->v2)->co); - VecSubf(cur_seam->dir,cur_seam->v1,cur_seam->v0); + // VecSubf(cur_seam->dir,cur_seam->v1,cur_seam->v0); - cur_seam->length2=VecLength(cur_seam->dir); - cur_seam->length2*=cur_seam->length2; + // cur_seam->length2=VecLength(cur_seam->dir); + // cur_seam->length2*=cur_seam->length2; - temp[0]=(float)((mvert+ed->v1)->no[0]); - temp[1]=(float)((mvert+ed->v1)->no[1]); - temp[2]=(float)((mvert+ed->v1)->no[2]); - temp2[0]=(float)((mvert+ed->v2)->no[0]); - temp2[1]=(float)((mvert+ed->v2)->no[1]); - temp2[2]=(float)((mvert+ed->v2)->no[2]); + // temp[0]=(float)((mvert+ed->v1)->no[0]); + // temp[1]=(float)((mvert+ed->v1)->no[1]); + // temp[2]=(float)((mvert+ed->v1)->no[2]); + // temp2[0]=(float)((mvert+ed->v2)->no[0]); + // temp2[1]=(float)((mvert+ed->v2)->no[1]); + // temp2[2]=(float)((mvert+ed->v2)->no[2]); - VecAddf(cur_seam->nor,temp,temp2); - Normalize(cur_seam->nor); + // VecAddf(cur_seam->nor,temp,temp2); + // Normalize(cur_seam->nor); - Crossf(cur_seam->tan,cur_seam->dir,cur_seam->nor); + // Crossf(cur_seam->tan,cur_seam->dir,cur_seam->nor); - Normalize(cur_seam->tan); + // Normalize(cur_seam->tan); - cur_seam++; - } - } - } - - } + // cur_seam++; + // } + // } + // } + // + //} } else{ /* no need to figure out distribution */ @@ -1064,10 +1040,6 @@ int psys_threads_init_distribution(ParticleThread *threads, Scene *scene, Derive length=VecLength(cpa->fuv); } - cpa->rand[0]=BLI_frand(); - cpa->rand[1]=BLI_frand(); - cpa->rand[2]=BLI_frand(); - cpa->num=-1; } } @@ -1346,7 +1318,6 @@ int psys_threads_init_distribution(ParticleThread *threads, Scene *scene, Derive jitlevel= totpart/tot; if(part->flag & PART_EDISTR) jitlevel*= 2; /* looks better in general, not very scietific */ if(jitlevel<3) jitlevel= 3; - //if(jitlevel>100) jitlevel= 100; } jit= MEM_callocN((2+ jitlevel*2)*sizeof(float), "jit"); @@ -1365,7 +1336,7 @@ int psys_threads_init_distribution(ParticleThread *threads, Scene *scene, Derive ctx->tree= tree; ctx->seams= seams; ctx->totseam= totseam; - ctx->psys= psys; + ctx->sim.psys= psys; ctx->index= index; ctx->jit= jit; ctx->jitlevel= jitlevel; @@ -1386,7 +1357,7 @@ int psys_threads_init_distribution(ParticleThread *threads, Scene *scene, Derive if(!children || psys->totchild < 10000) totthread= 1; - seed= 31415926 + ctx->psys->seed; + seed= 31415926 + ctx->sim.psys->seed; for(i=0; i<totthread; i++) { threads[i].rng= rng_new(seed); threads[i].tot= totthread; @@ -1395,16 +1366,17 @@ int psys_threads_init_distribution(ParticleThread *threads, Scene *scene, Derive return 1; } -static void distribute_particles_on_dm(DerivedMesh *finaldm, Scene *scene, Object *ob, ParticleSystem *psys, int from) +static void distribute_particles_on_dm(ParticleSimulationData *sim, int from) { + DerivedMesh *finaldm = sim->psmd->dm; ListBase threads; ParticleThread *pthreads; ParticleThreadContext *ctx; int i, totthread; - pthreads= psys_threads_create(scene, ob, psys); + pthreads= psys_threads_create(sim); - if(!psys_threads_init_distribution(pthreads, scene, finaldm, from)) { + if(!psys_threads_init_distribution(pthreads, sim->scene, finaldm, from)) { psys_threads_free(pthreads); return; } @@ -1421,7 +1393,7 @@ static void distribute_particles_on_dm(DerivedMesh *finaldm, Scene *scene, Objec else exec_distribution(&pthreads[0]); - psys_calc_dmcache(ob, finaldm, psys); + psys_calc_dmcache(sim->ob, finaldm, sim->psys); ctx= pthreads[0].ctx; if(ctx->dm != finaldm) @@ -1431,8 +1403,9 @@ static void distribute_particles_on_dm(DerivedMesh *finaldm, Scene *scene, Objec } /* ready for future use, to emit particles without geometry */ -static void distribute_particles_on_shape(Object *ob, ParticleSystem *psys, int from) +static void distribute_particles_on_shape(ParticleSimulationData *sim, int from) { + ParticleSystem *psys = sim->psys; PARTICLE_P; fprintf(stderr,"Shape emission not yet possible!\n"); @@ -1443,22 +1416,22 @@ static void distribute_particles_on_shape(Object *ob, ParticleSystem *psys, int pa->num= -1; } } -static void distribute_particles(Scene *scene, Object *ob, ParticleSystem *psys, int from) +static void distribute_particles(ParticleSimulationData *sim, int from) { - ParticleSystemModifierData *psmd=0; + PARTICLE_PSMD; int distr_error=0; - psmd=psys_get_modifier(ob,psys); if(psmd){ if(psmd->dm) - distribute_particles_on_dm(psmd->dm, scene, ob, psys, from); + distribute_particles_on_dm(sim, from); else distr_error=1; } else - distribute_particles_on_shape(ob,psys,from); + distribute_particles_on_shape(sim, from); if(distr_error){ + ParticleSystem *psys = sim->psys; PARTICLE_P; fprintf(stderr,"Particle distribution error!\n"); @@ -1472,26 +1445,23 @@ static void distribute_particles(Scene *scene, Object *ob, ParticleSystem *psys, } /* threaded child particle distribution and path caching */ -ParticleThread *psys_threads_create(struct Scene *scene, struct Object *ob, struct ParticleSystem *psys) +ParticleThread *psys_threads_create(ParticleSimulationData *sim) { ParticleThread *threads; ParticleThreadContext *ctx; int i, totthread; - if(scene->r.mode & R_FIXED_THREADS) - totthread= scene->r.threads; + if(sim->scene->r.mode & R_FIXED_THREADS) + totthread= sim->scene->r.threads; else totthread= BLI_system_thread_count(); threads= MEM_callocN(sizeof(ParticleThread)*totthread, "ParticleThread"); ctx= MEM_callocN(sizeof(ParticleThreadContext), "ParticleThreadContext"); - ctx->scene= scene; - ctx->ob= ob; - ctx->psys= psys; - ctx->psmd= psys_get_modifier(ob, psys); - ctx->dm= ctx->psmd->dm; - ctx->ma= give_current_material(ob, psys->part->omat); + ctx->sim = *sim; + ctx->dm= ctx->sim.psmd->dm; + ctx->ma= give_current_material(sim->ob, sim->psys->part->omat); memset(threads, 0, sizeof(ParticleThread)*totthread); @@ -1523,9 +1493,9 @@ void psys_threads_free(ParticleThread *threads) if(ctx->vg_roughe) MEM_freeN(ctx->vg_roughe); - if(ctx->psys->lattice){ - end_latt_deform(ctx->psys->lattice); - ctx->psys->lattice= NULL; + if(ctx->sim.psys->lattice){ + end_latt_deform(ctx->sim.psys->lattice); + ctx->sim.psys->lattice= NULL; } /* distribution */ @@ -1551,37 +1521,34 @@ void psys_threads_free(ParticleThread *threads) } /* set particle parameters that don't change during particle's life */ -void initialize_particle(ParticleData *pa, int p, Object *ob, ParticleSystem *psys, ParticleSystemModifierData *psmd) +void initialize_particle(ParticleSimulationData *sim, ParticleData *pa, int p) { - ParticleSettings *part; + ParticleSettings *part = sim->psys->part; ParticleTexture ptex; Material *ma=0; //IpoCurve *icu=0; // XXX old animation system int totpart; - float rand; - - part=psys->part; - totpart=psys->totpart; + totpart=sim->psys->totpart; ptex.life=ptex.size=ptex.exist=ptex.length=1.0; ptex.time=(float)p/(float)totpart; - BLI_srandom(psys->seed+p); + BLI_srandom(sim->psys->seed + p + 125); if(part->from!=PART_FROM_PARTICLE && part->type!=PART_FLUID){ - ma=give_current_material(ob,part->omat); + ma=give_current_material(sim->ob,part->omat); /* TODO: needs some work to make most blendtypes generally usefull */ - psys_get_texture(ob,ma,psmd,psys,pa,&ptex,MAP_PA_INIT); + psys_get_texture(sim,ma,pa,&ptex,MAP_PA_INIT); } pa->lifetime= part->lifetime*ptex.life; if(part->type==PART_HAIR) pa->time= 0.0f; - else if(part->type==PART_REACTOR && (part->flag&PART_REACT_STA_END)==0) - pa->time= 300000.0f; /* max frame */ + //else if(part->type==PART_REACTOR && (part->flag&PART_REACT_STA_END)==0) + // pa->time= 300000.0f; /* max frame */ else{ //icu=find_ipocurve(psys->part->ipo,PART_EMIT_TIME); //if(icu){ @@ -1605,10 +1572,8 @@ void initialize_particle(ParticleData *pa, int p, Object *ob, ParticleSystem *ps } #endif // XXX old animation system - /* need to get every rand even if we don't use them so that randoms don't affect each other */ - rand= BLI_frand(); if(part->randlife!=0.0) - pa->lifetime*= 1.0f - part->randlife*rand; + pa->lifetime*= 1.0f - part->randlife * BLI_frand(); } pa->dietime= pa->time+pa->lifetime; @@ -1625,13 +1590,14 @@ void initialize_particle(ParticleData *pa, int p, Object *ob, ParticleSystem *ps /* usage other than straight after distribute has to handle this index by itself - jahka*/ //pa->num_dmcache = DMCACHE_NOTFOUND; /* assume we dont have a derived mesh face */ } -static void initialize_all_particles(Object *ob, ParticleSystem *psys, ParticleSystemModifierData *psmd) +static void initialize_all_particles(ParticleSimulationData *sim) { //IpoCurve *icu=0; // XXX old animation system + ParticleSystem *psys = sim->psys; PARTICLE_P; LOOP_PARTICLES - initialize_particle(pa,p,ob,psys,psmd); + initialize_particle(sim, pa, p); if(psys->part->type != PART_FLUID) { #if 0 // XXX old animation system @@ -1688,66 +1654,51 @@ static void initialize_all_particles(Object *ob, ParticleSystem *psys, ParticleS } } /* sets particle to the emitter surface with initial velocity & rotation */ -void reset_particle(Scene *scene, ParticleData *pa, ParticleSystem *psys, ParticleSystemModifierData *psmd, Object *ob, - float dtime, float cfra, float *vg_vel, float *vg_tan, float *vg_rot) +void reset_particle(ParticleSimulationData *sim, ParticleData *pa, float dtime, float cfra) { + Object *ob = sim->ob; + ParticleSystem *psys = sim->psys; ParticleSettings *part; ParticleTexture ptex; ParticleKey state; //IpoCurve *icu=0; // XXX old animation system - float fac, phasefac, nor[3]={0,0,0},loc[3],tloc[3],vel[3]={0.0,0.0,0.0},rot[4],q2[4]; + float fac, phasefac, nor[3]={0,0,0},loc[3],vel[3]={0.0,0.0,0.0},rot[4],q2[4]; float r_vel[3],r_ave[3],r_rot[4],p_vel[3]={0.0,0.0,0.0}; float x_vec[3]={1.0,0.0,0.0}, utan[3]={0.0,1.0,0.0}, vtan[3]={0.0,0.0,1.0}, rot_vec[3]={0.0,0.0,0.0}; - float q_phase[4], length, r_phase; + float q_phase[4], r_phase; + int p = pa - psys->particles; part=psys->part; ptex.ivel=1.0; - BLI_srandom(psys->seed + (pa - psys->particles)); - /* we need to get every random even if they're not used so that they don't effect eachother */ - /* while loops are to have a spherical distribution (avoid cubic distribution) */ - length=2.0f; - while(length>1.0){ - r_vel[0]=2.0f*(BLI_frand()-0.5f); - r_vel[1]=2.0f*(BLI_frand()-0.5f); - r_vel[2]=2.0f*(BLI_frand()-0.5f); - length=VecLength(r_vel); - } - - length=2.0f; - while(length>1.0){ - r_ave[0]=2.0f*(BLI_frand()-0.5f); - r_ave[1]=2.0f*(BLI_frand()-0.5f); - r_ave[2]=2.0f*(BLI_frand()-0.5f); - length=VecLength(r_ave); - } - - r_rot[0]=2.0f*(BLI_frand()-0.5f); - r_rot[1]=2.0f*(BLI_frand()-0.5f); - r_rot[2]=2.0f*(BLI_frand()-0.5f); - r_rot[3]=2.0f*(BLI_frand()-0.5f); - + r_vel[0] = 2.0f * (PSYS_FRAND(p + 10) - 0.5f); + r_vel[1] = 2.0f * (PSYS_FRAND(p + 11) - 0.5f); + r_vel[2] = 2.0f * (PSYS_FRAND(p + 12) - 0.5f); + + r_ave[0] = 2.0f * (PSYS_FRAND(p + 13) - 0.5f); + r_ave[1] = 2.0f * (PSYS_FRAND(p + 14) - 0.5f); + r_ave[2] = 2.0f * (PSYS_FRAND(p + 15) - 0.5f); + + r_rot[0] = 2.0f * (PSYS_FRAND(p + 16) - 0.5f); + r_rot[1] = 2.0f * (PSYS_FRAND(p + 17) - 0.5f); + r_rot[2] = 2.0f * (PSYS_FRAND(p + 18) - 0.5f); + r_rot[3] = 2.0f * (PSYS_FRAND(p + 19) - 0.5f); NormalQuat(r_rot); - r_phase = BLI_frand(); + r_phase = PSYS_FRAND(p + 20); if(part->from==PART_FROM_PARTICLE){ - Object *tob; - ParticleSystem *tpsys=0; + ParticleSimulationData tsim = {sim->scene, psys->target_ob ? psys->target_ob : ob, NULL, NULL}; float speed; - tob=psys->target_ob; - if(tob==0) - tob=ob; - - tpsys=BLI_findlink(&tob->particlesystem, psys->target_psys-1); + tsim.psys = BLI_findlink(&tsim.ob->particlesystem, sim->psys->target_psys-1); state.time = pa->time; if(pa->num == -1) memset(&state, 0, sizeof(state)); else - psys_get_particle_state(scene, tob,tpsys,pa->num,&state,1); + psys_get_particle_state(&tsim, pa->num, &state, 1); psys_get_from_key(&state, loc, nor, rot, 0); QuatMulVecf(rot, vtan); @@ -1764,23 +1715,20 @@ void reset_particle(Scene *scene, ParticleData *pa, ParticleSystem *psys, Partic } else{ /* get precise emitter matrix if particle is born */ - if(part->type!=PART_HAIR && pa->time < cfra && pa->time >= psys->cfra) - where_is_object_time(scene, ob,pa->time); + if(part->type!=PART_HAIR && pa->time < cfra && pa->time >= sim->psys->cfra) + where_is_object_time(sim->scene, sim->ob, pa->time); /* get birth location from object */ if(part->tanfac!=0.0) - psys_particle_on_emitter(psmd,part->from,pa->num, pa->num_dmcache, pa->fuv,pa->foffset,loc,nor,utan,vtan,0,0); + psys_particle_on_emitter(sim->psmd, part->from,pa->num, pa->num_dmcache, pa->fuv,pa->foffset,loc,nor,utan,vtan,0,0); else - psys_particle_on_emitter(psmd,part->from,pa->num, pa->num_dmcache, pa->fuv,pa->foffset,loc,nor,0,0,0,0); - - /* save local coordinates for later */ - VECCOPY(tloc,loc); + psys_particle_on_emitter(sim->psmd, part->from,pa->num, pa->num_dmcache, pa->fuv,pa->foffset,loc,nor,0,0,0,0); /* get possible textural influence */ - psys_get_texture(ob,give_current_material(ob,part->omat),psmd,psys,pa,&ptex,MAP_PA_IVEL); + psys_get_texture(sim, give_current_material(sim->ob,part->omat), pa, &ptex, MAP_PA_IVEL); - if(vg_vel && pa->num != -1) - ptex.ivel*=psys_particle_value_from_verts(psmd->dm,part->from,pa,vg_vel); + //if(vg_vel && pa->num != -1) + // ptex.ivel*=psys_particle_value_from_verts(sim->psmd->dm,part->from,pa,vg_vel); /* particles live in global space so */ /* let's convert: */ @@ -1788,21 +1736,18 @@ void reset_particle(Scene *scene, ParticleData *pa, ParticleSystem *psys, Partic Mat4MulVecfl(ob->obmat,loc); /* -normal */ - VECADD(nor,tloc,nor); - Mat4MulVecfl(ob->obmat,nor); - VECSUB(nor,nor,loc); + Mat4Mul3Vecfl(ob->obmat,nor); Normalize(nor); /* -tangent */ if(part->tanfac!=0.0){ - float phase=vg_rot?2.0f*(psys_particle_value_from_verts(psmd->dm,part->from,pa,vg_rot)-0.5f):0.0f; + //float phase=vg_rot?2.0f*(psys_particle_value_from_verts(sim->psmd->dm,part->from,pa,vg_rot)-0.5f):0.0f; + float phase=0.0f; VecMulf(vtan,-(float)cos(M_PI*(part->tanphase+phase))); fac=-(float)sin(M_PI*(part->tanphase+phase)); VECADDFAC(vtan,vtan,utan,fac); - VECADD(vtan,tloc,vtan); - Mat4MulVecfl(ob->obmat,vtan); - VECSUB(vtan,vtan,loc); + Mat4Mul3Vecfl(ob->obmat,vtan); VECCOPY(utan,nor); VecMulf(utan,Inpf(vtan,nor)); @@ -1854,11 +1799,6 @@ void reset_particle(Scene *scene, ParticleData *pa, ParticleSystem *psys, Partic if(part->acc[2]!=0.0f) bpa->gravity[2] = part->acc[2]; - //pa->r_ve[0] = pa->r_ve[1] = 0.0f; - //pa->r_ve[2] = -1.0f; - //if(part->acc[2]!=0.0f) - // pa->r_ve[2] = part->acc[2]; - /* calculate rotation matrix */ Projf(dvec, r_vel, pa->state.ave); VecSubf(mat[0], pa->state.ave, dvec); @@ -1897,8 +1837,9 @@ void reset_particle(Scene *scene, ParticleData *pa, ParticleSystem *psys, Partic VECADDFAC(vel,vel,nor,part->normfac); /* *emitter tangent */ - if(psmd && part->tanfac!=0.0) - VECADDFAC(vel,vel,vtan,part->tanfac*(vg_tan?psys_particle_value_from_verts(psmd->dm,part->from,pa,vg_tan):1.0f)); + if(sim->psmd && part->tanfac!=0.0) + VECADDFAC(vel,vel,vtan,part->tanfac); + //VECADDFAC(vel,vel,vtan,part->tanfac*(vg_tan?psys_particle_value_from_verts(sim->psmd->dm,part->from,pa,vg_tan):1.0f)); /* *texture */ /* TODO */ @@ -1918,9 +1859,6 @@ void reset_particle(Scene *scene, ParticleData *pa, ParticleSystem *psys, Partic //} VecMulf(vel,ptex.ivel); - - //if(ELEM(part->phystype, PART_PHYS_GRADU_EX, PART_PHYS_GRADU_SIM)) - // VecAddf(vel,vel,part->acc); VECCOPY(pa->state.vel,vel); @@ -2002,22 +1940,20 @@ void reset_particle(Scene *scene, ParticleData *pa, ParticleSystem *psys, Partic pa->alive = PARS_UNBORN; pa->state.time = cfra; - -// pa->flag &= ~PARS_STICKY; } -static void reset_all_particles(Scene *scene, Object *ob, ParticleSystem *psys, ParticleSystemModifierData *psmd, float dtime, float cfra, int from) +static void reset_all_particles(ParticleSimulationData *sim, float dtime, float cfra, int from) { ParticleData *pa; - int p, totpart=psys->totpart; - float *vg_vel=psys_cache_vgroup(psmd->dm,psys,PSYS_VG_VEL); - float *vg_tan=psys_cache_vgroup(psmd->dm,psys,PSYS_VG_TAN); - float *vg_rot=psys_cache_vgroup(psmd->dm,psys,PSYS_VG_ROT); + int p, totpart=sim->psys->totpart; + //float *vg_vel=psys_cache_vgroup(sim->psmd->dm,sim->psys,PSYS_VG_VEL); + //float *vg_tan=psys_cache_vgroup(sim->psmd->dm,sim->psys,PSYS_VG_TAN); + //float *vg_rot=psys_cache_vgroup(sim->psmd->dm,sim->psys,PSYS_VG_ROT); - for(p=from, pa=psys->particles+from; p<totpart; p++, pa++) - reset_particle(scene, pa, psys, psmd, ob, dtime, cfra, vg_vel, vg_tan, vg_rot); + for(p=from, pa=sim->psys->particles+from; p<totpart; p++, pa++) + reset_particle(sim, pa, dtime, cfra); - if(vg_vel) - MEM_freeN(vg_vel); + //if(vg_vel) + // MEM_freeN(vg_vel); } /************************************************/ /* Particle targets */ @@ -2042,15 +1978,15 @@ ParticleSystem *psys_get_target_system(Object *ob, ParticleTarget *pt) /* Keyed particles */ /************************************************/ /* Counts valid keyed targets */ -void psys_count_keyed_targets(Object *ob, ParticleSystem *psys) +void psys_count_keyed_targets(ParticleSimulationData *sim) { - ParticleSystem *kpsys; + ParticleSystem *psys = sim->psys, *kpsys; ParticleTarget *pt = psys->targets.first; int keys_valid = 1; psys->totkeyed = 0; for(; pt; pt=pt->next) { - kpsys = psys_get_target_system(ob, pt); + kpsys = psys_get_target_system(sim->ob, pt); if(kpsys && kpsys->totpart) { psys->totkeyed += keys_valid; @@ -2065,9 +2001,10 @@ void psys_count_keyed_targets(Object *ob, ParticleSystem *psys) psys->totkeyed *= psys->flag & PSYS_KEYED_TIMING ? 1 : psys->part->keyed_loops; } -static void set_keyed_keys(Scene *scene, Object *ob, ParticleSystem *psys) +static void set_keyed_keys(ParticleSimulationData *sim) { - ParticleSystem *kpsys = psys; + ParticleSystem *psys = sim->psys; + ParticleSimulationData ksim = {sim->scene, NULL, NULL, NULL}; ParticleTarget *pt; PARTICLE_P; ParticleKey *key; @@ -2097,16 +2034,14 @@ static void set_keyed_keys(Scene *scene, Object *ob, ParticleSystem *psys) pt = psys->targets.first; for(k=0; k<totkeys; k++) { - if(pt->ob) - kpsys = BLI_findlink(&pt->ob->particlesystem, pt->psys - 1); - else - kpsys = BLI_findlink(&ob->particlesystem, pt->psys - 1); + ksim.ob = pt->ob ? pt->ob : sim->ob; + ksim.psys = BLI_findlink(&ksim.ob->particlesystem, pt->psys - 1); LOOP_PARTICLES { key = pa->keys + k; key->time = -1.0; /* use current time */ - psys_get_particle_state(scene, pt->ob, kpsys, p%kpsys->totpart, key, 1); + psys_get_particle_state(&ksim, p%ksim.psys->totpart, key, 1); if(psys->flag & PSYS_KEYED_TIMING){ key->time = pa->time + pt->time; @@ -2132,111 +2067,109 @@ static void set_keyed_keys(Scene *scene, Object *ob, ParticleSystem *psys) /************************************************/ /* Reactors */ /************************************************/ -static void push_reaction(Object* ob, ParticleSystem *psys, int pa_num, int event, ParticleKey *state) -{ - Object *rob; - ParticleSystem *rpsys; - ParticleSettings *rpart; - ParticleData *pa; - ListBase *lb=&psys->effectors; - ParticleEffectorCache *ec; - ParticleReactEvent *re; - - if(lb->first) for(ec = lb->first; ec; ec= ec->next){ - if(ec->type & PSYS_EC_REACTOR){ - /* all validity checks already done in add_to_effectors */ - rob=ec->ob; - rpsys=BLI_findlink(&rob->particlesystem,ec->psys_nbr); - rpart=rpsys->part; - if(rpsys->part->reactevent==event){ - pa=psys->particles+pa_num; - re= MEM_callocN(sizeof(ParticleReactEvent), "react event"); - re->event=event; - re->pa_num = pa_num; - re->ob = ob; - re->psys = psys; - re->size = pa->size; - copy_particle_key(&re->state,state,1); - - switch(event){ - case PART_EVENT_DEATH: - re->time=pa->dietime; - break; - case PART_EVENT_COLLIDE: - re->time=state->time; - break; - case PART_EVENT_NEAR: - re->time=state->time; - break; - } - - BLI_addtail(&rpsys->reactevents, re); - } - } - } -} -static void react_to_events(ParticleSystem *psys, int pa_num) -{ - ParticleSettings *part=psys->part; - ParticleData *pa=psys->particles+pa_num; - ParticleReactEvent *re=psys->reactevents.first; - int birth=0; - float dist=0.0f; - - for(re=psys->reactevents.first; re; re=re->next){ - birth=0; - if(part->from==PART_FROM_PARTICLE){ - if(pa->num==re->pa_num && pa->alive==PARS_UNBORN){ - if(re->event==PART_EVENT_NEAR){ - ParticleData *tpa = re->psys->particles+re->pa_num; - float pa_time=tpa->time + pa->foffset*tpa->lifetime; - if(re->time >= pa_time){ - pa->time=pa_time; - pa->dietime=pa->time+pa->lifetime; - } - } - else{ - pa->time=re->time; - pa->dietime=pa->time+pa->lifetime; - } - } - } - else{ - dist=VecLenf(pa->state.co, re->state.co); - if(dist <= re->size){ - if(pa->alive==PARS_UNBORN){ - pa->time=re->time; - pa->dietime=pa->time+pa->lifetime; - birth=1; - } - if(birth || part->flag&PART_REACT_MULTIPLE){ - float vec[3]; - VECSUB(vec,pa->state.co, re->state.co); - if(birth==0) - VecMulf(vec,(float)pow(1.0f-dist/re->size,part->reactshape)); - VECADDFAC(pa->state.vel,pa->state.vel,vec,part->reactfac); - VECADDFAC(pa->state.vel,pa->state.vel,re->state.vel,part->partfac); - } - if(birth) - VecMulf(pa->state.vel,(float)pow(1.0f-dist/re->size,part->reactshape)); - } - } - } -} -void psys_get_reactor_target(Object *ob, ParticleSystem *psys, Object **target_ob, ParticleSystem **target_psys) -{ - Object *tob; - - tob=psys->target_ob; - if(tob==0) - tob=ob; - - *target_psys=BLI_findlink(&tob->particlesystem,psys->target_psys-1); - if(*target_psys) - *target_ob=tob; - else - *target_ob=0; -} +//static void push_reaction(ParticleSimulationData *sim, int pa_num, int event, ParticleKey *state) +//{ +// Object *rob; +// ParticleSystem *rpsys; +// ParticleSettings *rpart; +// ParticleData *pa; +// ListBase *lb=&sim->psys->effectors; +// ParticleEffectorCache *ec; +// ParticleReactEvent *re; +// +// if(lb->first) for(ec = lb->first; ec; ec= ec->next){ +// if(ec->type & PSYS_EC_REACTOR){ +// /* all validity checks already done in add_to_effectors */ +// rob=ec->ob; +// rpsys=BLI_findlink(&rob->particlesystem,ec->psys_nbr); +// rpart=rpsys->part; +// if(rpsys->part->reactevent==event){ +// pa=sim->psys->particles+pa_num; +// re= MEM_callocN(sizeof(ParticleReactEvent), "react event"); +// re->event=event; +// re->pa_num = pa_num; +// re->ob = sim->ob; +// re->psys = sim->psys; +// re->size = pa->size; +// copy_particle_key(&re->state,state,1); +// +// switch(event){ +// case PART_EVENT_DEATH: +// re->time=pa->dietime; +// break; +// case PART_EVENT_COLLIDE: +// re->time=state->time; +// break; +// case PART_EVENT_NEAR: +// re->time=state->time; +// break; +// } +// +// BLI_addtail(&rpsys->reactevents, re); +// } +// } +// } +//} +//static void react_to_events(ParticleSystem *psys, int pa_num) +//{ +// ParticleSettings *part=psys->part; +// ParticleData *pa=psys->particles+pa_num; +// ParticleReactEvent *re=psys->reactevents.first; +// int birth=0; +// float dist=0.0f; +// +// for(re=psys->reactevents.first; re; re=re->next){ +// birth=0; +// if(part->from==PART_FROM_PARTICLE){ +// if(pa->num==re->pa_num && pa->alive==PARS_UNBORN){ +// if(re->event==PART_EVENT_NEAR){ +// ParticleData *tpa = re->psys->particles+re->pa_num; +// float pa_time=tpa->time + pa->foffset*tpa->lifetime; +// if(re->time >= pa_time){ +// pa->time=pa_time; +// pa->dietime=pa->time+pa->lifetime; +// } +// } +// else{ +// pa->time=re->time; +// pa->dietime=pa->time+pa->lifetime; +// } +// } +// } +// else{ +// dist=VecLenf(pa->state.co, re->state.co); +// if(dist <= re->size){ +// if(pa->alive==PARS_UNBORN){ +// pa->time=re->time; +// pa->dietime=pa->time+pa->lifetime; +// birth=1; +// } +// if(birth || part->flag&PART_REACT_MULTIPLE){ +// float vec[3]; +// VECSUB(vec,pa->state.co, re->state.co); +// if(birth==0) +// VecMulf(vec,(float)pow(1.0f-dist/re->size,part->reactshape)); +// VECADDFAC(pa->state.vel,pa->state.vel,vec,part->reactfac); +// VECADDFAC(pa->state.vel,pa->state.vel,re->state.vel,part->partfac); +// } +// if(birth) +// VecMulf(pa->state.vel,(float)pow(1.0f-dist/re->size,part->reactshape)); +// } +// } +// } +//} +//void psys_get_reactor_target(ParticleSimulationData *sim, Object **target_ob, ParticleSystem **target_psys) +//{ +// Object *tob; +// +// tob = sim->psys->target_ob ? sim->psys->target_ob : sim->ob; +// +// *target_psys = BLI_findlink(&tob->particlesystem, sim->psys->target_psys-1); +// if(*target_psys) +// *target_ob=tob; +// else +// *target_ob=0; +//} /************************************************/ /* Point Cache */ /************************************************/ @@ -2252,7 +2185,7 @@ void psys_make_temp_pointcache(Object *ob, ParticleSystem *psys) BKE_ptcache_disk_to_mem(&pid); } -void psys_clear_temp_pointcache(ParticleSystem *psys) +static void psys_clear_temp_pointcache(ParticleSystem *psys) { if((psys->pointcache->flag & PTCACHE_DISK_CACHE)==0) return; @@ -2281,11 +2214,9 @@ static void update_particle_tree(ParticleSystem *psys) psys->tree = BLI_kdtree_new(psys->totpart); - LOOP_PARTICLES { - if(pa->flag & (PARS_NO_DISP+PARS_UNEXIST) || pa->alive != PARS_ALIVE) - continue; - - BLI_kdtree_insert(psys->tree, p, pa->state.co, NULL); + LOOP_SHOWN_PARTICLES { + if(pa->alive == PARS_ALIVE) + BLI_kdtree_insert(psys->tree, p, pa->state.co, NULL); } BLI_kdtree_balance(psys->tree); @@ -2302,7 +2233,7 @@ static void do_texture_effector(Tex *tex, short mode, short is_2d, float nabla, result[0].nor = result[1].nor = result[2].nor = result[3].nor = 0; - strength= force_val*falloff;///(float)pow((double)distance,(double)power); + strength= force_val*falloff; VECCOPY(tex_co,pa_co); @@ -2365,19 +2296,19 @@ static void do_texture_effector(Tex *tex, short mode, short is_2d, float nabla, VecAddf(field,field,mag_vec); } -static void add_to_effectors(ListBase *lb, Scene *scene, Object *ob, Object *obsrc, ParticleSystem *psys) +static void add_to_effectors(ParticleSimulationData *sim, ListBase *lb, Object *ob) { ParticleEffectorCache *ec; PartDeflect *pd= ob->pd; short type=0,i; - if(pd && ob != obsrc){ + if(pd && ob != sim->ob){ if(pd->forcefield == PFIELD_GUIDE) { if(ob->type==OB_CURVE) { Curve *cu= ob->data; if(cu->flag & CU_PATH) { if(cu->path==NULL || cu->path->data==NULL) - makeDispListCurveTypes(scene, ob, 0); + makeDispListCurveTypes(sim->scene, ob, 0); if(cu->path && cu->path->data) { type |= PSYS_EC_EFFECTOR; } @@ -2411,13 +2342,13 @@ static void add_to_effectors(ListBase *lb, Scene *scene, Object *ob, Object *obs if(ob->particlesystem.first){ ParticleSystem *epsys=ob->particlesystem.first; ParticleSettings *epart=0; - Object *tob; + //Object *tob; for(i=0; epsys; epsys=epsys->next,i++){ if(!psys_check_enabled(ob, epsys)) continue; type=0; - if(epsys!=psys || (psys->part->flag & PART_SELF_EFFECT)){ + if(epsys!=sim->psys || (sim->psys->part->flag & PART_SELF_EFFECT)){ epart=epsys->part; if((epsys->part->pd && epsys->part->pd->forcefield) @@ -2426,13 +2357,13 @@ static void add_to_effectors(ListBase *lb, Scene *scene, Object *ob, Object *obs type=PSYS_EC_PARTICLE; } - if(epart->type==PART_REACTOR) { - tob=epsys->target_ob; - if(tob==0) - tob=ob; - if(BLI_findlink(&tob->particlesystem,epsys->target_psys-1)==psys) - type|=PSYS_EC_REACTOR; - } + //if(epart->type==PART_REACTOR) { + // tob=epsys->target_ob; + // if(tob==0) + // tob=ob; + // if(BLI_findlink(&tob->particlesystem,epsys->target_psys-1)==sim->psys) + // type|=PSYS_EC_REACTOR; + //} if(type){ ec= MEM_callocN(sizeof(ParticleEffectorCache), "effector cache"); @@ -2450,29 +2381,29 @@ static void add_to_effectors(ListBase *lb, Scene *scene, Object *ob, Object *obs } } -static void psys_init_effectors_recurs(Scene *scene, Object *ob, Object *obsrc, ParticleSystem *psys, ListBase *listb, int level) +static void psys_init_effectors_recurs(ParticleSimulationData *sim, Object *ob, ListBase *listb, int level) { Group *group; GroupObject *go; - unsigned int layer= obsrc->lay; + unsigned int layer= sim->ob->lay; if(level>MAX_DUPLI_RECUR) return; if(ob->lay & layer) { if(ob->pd || ob->particlesystem.first) - add_to_effectors(listb, scene, ob, obsrc, psys); + add_to_effectors(sim, listb, ob); if(ob->dup_group) { group= ob->dup_group; for(go= group->gobject.first; go; go= go->next) - psys_init_effectors_recurs(scene, go->ob, obsrc, psys, listb, level+1); + psys_init_effectors_recurs(sim, go->ob, listb, level+1); } } } -void psys_init_effectors(Scene *scene, Object *obsrc, Group *group, ParticleSystem *psys) +static void psys_init_effectors(ParticleSimulationData *sim, Group *group) { - ListBase *listb= &psys->effectors; + ListBase *listb= &sim->psys->effectors; Base *base; listb->first=listb->last=0; @@ -2481,11 +2412,11 @@ void psys_init_effectors(Scene *scene, Object *obsrc, Group *group, ParticleSyst GroupObject *go; for(go= group->gobject.first; go; go= go->next) - psys_init_effectors_recurs(scene, go->ob, obsrc, psys, listb, 0); + psys_init_effectors_recurs(sim, go->ob, listb, 0); } else { - for(base = scene->base.first; base; base= base->next) - psys_init_effectors_recurs(scene, base->object, obsrc, psys, listb, 0); + for(base = sim->scene->base.first; base; base= base->next) + psys_init_effectors_recurs(sim, base->object, listb, 0); } } @@ -2519,13 +2450,16 @@ void psys_end_effectors(ParticleSystem *psys) BLI_freelistN(&psys->effectors); } -static void precalc_effectors(Scene *scene, Object *ob, ParticleSystem *psys, ParticleSystemModifierData *psmd, float cfra) +/* precalcs effectors and returns 1 if there were any collision object + * so collision checks can be avoided as quickly as possible */ +static int precalc_effectors(ParticleSimulationData *sim, float cfra) { + ParticleSystem *psys = sim->psys; ListBase *lb=&psys->effectors; ParticleEffectorCache *ec; ParticleSettings *part=psys->part; PARTICLE_P; - int totpart; + int totpart, collision = 0; float vec2[3],loc[3],radius,*co=0; for(ec= lb->first; ec; ec= ec->next) { @@ -2557,9 +2491,9 @@ static void precalc_effectors(Scene *scene, Object *ob, ParticleSystem *psys, Pa VECCOPY(loc, pa->fuv); } else - psys_particle_on_emitter(psmd,part->from,pa->num,pa->num_dmcache,pa->fuv,pa->foffset,loc,0,0,0,0,0); + psys_particle_on_emitter(sim->psmd,part->from,pa->num,pa->num_dmcache,pa->fuv,pa->foffset,loc,0,0,0,0,0); - Mat4MulVecfl(ob->obmat,loc); + Mat4MulVecfl(sim->ob->obmat,loc); ec->distances[p]=VecLenf(loc,vec); VECSUB(loc,loc,vec); VECCOPY(ec->locations+3*p,loc); @@ -2567,11 +2501,10 @@ static void precalc_effectors(Scene *scene, Object *ob, ParticleSystem *psys, Pa } } else if(ec->type==PSYS_EC_PARTICLE){ - Object *eob = ec->ob; - ParticleSystem *epsys = BLI_findlink(&eob->particlesystem,ec->psys_nbr); - ParticleSettings *epart = epsys->part; + ParticleSimulationData esim = {sim->scene, ec->ob, BLI_findlink(&ec->ob->particlesystem, ec->psys_nbr), NULL}; + ParticleSettings *epart = esim.psys->part; ParticleData *epa; - int p, totepart = epsys->totpart; + int p, totepart = esim.psys->totpart; if(psys->part->phystype==PART_PHYS_BOIDS){ ParticleKey state; @@ -2584,8 +2517,8 @@ static void precalc_effectors(Scene *scene, Object *ob, ParticleSystem *psys, Pa tree=BLI_kdtree_new(totepart); ec->tree=tree; - for(p=0, epa=epsys->particles; p<totepart; p++,epa++) - if(epa->alive==PARS_ALIVE && psys_get_particle_state(scene, eob,epsys,p,&state,0)) + for(p=0, epa=esim.psys->particles; p<totepart; p++,epa++) + if(epa->alive==PARS_ALIVE && psys_get_particle_state(&esim,p,&state,0)) BLI_kdtree_insert(tree, p, state.co, NULL); BLI_kdtree_balance(tree); @@ -2595,12 +2528,23 @@ static void precalc_effectors(Scene *scene, Object *ob, ParticleSystem *psys, Pa } else if(ec->type==PSYS_EC_DEFLECT) { CollisionModifierData *collmd = ( CollisionModifierData * ) ( modifiers_findByType ( ec->ob, eModifierType_Collision ) ); - if(collmd) + if(collmd) { collision_move_object(collmd, 1.0, 0.0); + collision = 1; + } } } + + return collision; } +/* updates particle effectors and returns if any collision objects were found */ +int psys_update_effectors(ParticleSimulationData *sim, float cfra, int precalc) +{ + psys_end_effectors(sim->psys); + psys_init_effectors(sim, sim->psys->part->eff_group); + return (precalc ? precalc_effectors(sim, cfra) : 0); +} int effector_find_co(Scene *scene, float *pco, SurfaceModifierData *sur, Object *ob, PartDeflect *pd, float *co, float *nor, float *vel, int *index) { SurfaceModifierData *surmd = NULL; @@ -2680,10 +2624,10 @@ int effector_find_co(Scene *scene, float *pco, SurfaceModifierData *sur, Object return ret; } /* calculate forces that all effectors apply to a particle*/ -void do_effectors(int pa_no, ParticleData *pa, ParticleKey *state, Scene *scene, Object *ob, ParticleSystem *psys, float *rootco, float *force_field, float *vel,float framestep, float cfra) +void do_effectors(ParticleSimulationData *sim, int pa_no, ParticleData *pa, ParticleKey *state, float *rootco, float *force_field, float *vel,float framestep, float cfra) { Object *eob; - ParticleSystem *epsys; + ParticleSystem *psys = sim->psys; ParticleSettings *epart; ParticleData *epa; ParticleKey estate; @@ -2713,19 +2657,19 @@ void do_effectors(int pa_no, ParticleData *pa, ParticleKey *state, Scene *scene, if(ec->type & PSYS_EC_EFFECTOR){ pd=eob->pd; if(psys->part->type!=PART_HAIR && psys->part->integrator) - where_is_object_time(scene, eob,cfra); + where_is_object_time(sim->scene, eob, cfra); if(pd && pd->flag&PFIELD_SURFACE) { float velocity[3]; /* using velocity corrected location allows for easier sliding over effector surface */ VecCopyf(velocity, state->vel); - VecMulf(velocity, psys_get_timestep(psys->part)); + VecMulf(velocity, psys_get_timestep(sim)); VecAddf(pco, state->co, velocity); } else VECCOPY(pco, state->co); - effector_find_co(scene, pco, NULL, eob, pd, co, NULL, NULL, &face_index); + effector_find_co(sim->scene, pco, NULL, eob, pd, co, NULL, NULL, &face_index); VecSubf(vec_to_part, state->co, co); @@ -2742,68 +2686,69 @@ void do_effectors(int pa_no, ParticleData *pa, ParticleKey *state, Scene *scene, pd->flag & PFIELD_TEX_OBJECT, (pd->flag & PFIELD_TEX_ROOTCO) ? rootco : state->co, eob->obmat, strength, falloff, force_field); } else { - do_physical_effector(scene, eob, state->co, pd->forcefield,strength,distance, + do_physical_effector(sim->scene, eob, state->co, pd->forcefield,strength,distance, falloff,0.0,pd->f_damp,eob->obmat[2],vec_to_part, state->vel,force_field,pd->flag&PFIELD_PLANAR,ec->rng,pd->f_noise,charge,pa->size); } } if(ec->type & PSYS_EC_PARTICLE){ + ParticleSimulationData esim = {sim->scene, eob, BLI_findlink(&eob->particlesystem,ec->psys_nbr), NULL}; int totepart, i; - epsys= BLI_findlink(&eob->particlesystem,ec->psys_nbr); - epart= epsys->part; - pd=epart->pd; - totepart= epsys->totpart; + + epart = esim.psys->part; + pd = epart->pd; + totepart = esim.psys->totpart; if(totepart <= 0) continue; if(pd && pd->forcefield==PFIELD_HARMONIC){ /* every particle is mapped to only one harmonic effector particle */ - p= pa_no%epsys->totpart; + p= pa_no%esim.psys->totpart; totepart= p+1; } else{ p=0; } - epsys->lattice= psys_get_lattice(scene, ob, psys); + esim.psys->lattice= psys_get_lattice(sim); for(; p<totepart; p++){ /* particle skips itself as effector */ - if(epsys==psys && p == pa_no) continue; + if(esim.psys == psys && p == pa_no) continue; - epa = epsys->particles + p; - estate.time=cfra; - if(psys_get_particle_state(scene, eob,epsys,p,&estate,0)){ + epa = esim.psys->particles + p; + estate.time = cfra; + if(psys_get_particle_state(&esim, p, &estate, 0)){ VECSUB(vec_to_part, state->co, estate.co); distance = VecLength(vec_to_part); for(i=0, pd = epart->pd; i<2; i++,pd = epart->pd2) { if(pd==NULL || pd->forcefield==0) continue; - falloff=effector_falloff(pd,estate.vel,vec_to_part); + falloff = effector_falloff(pd, estate.vel, vec_to_part); strength = pd->f_strength * psys->part->effector_weight[0] * psys->part->effector_weight[pd->forcefield]; if(falloff<=0.0f) ; /* don't do anything */ else - do_physical_effector(scene, eob, state->co, pd->forcefield,strength,distance, + do_physical_effector(sim->scene, eob, state->co, pd->forcefield,strength,distance, falloff,epart->size,pd->f_damp,estate.vel,vec_to_part, state->vel,force_field,0, ec->rng, pd->f_noise,charge,pa->size); } } else if(pd && pd->forcefield==PFIELD_HARMONIC && cfra-framestep <= epa->dietime && cfra>epa->dietime){ /* first step after key release */ - psys_get_particle_state(scene, eob,epsys,p,&estate,1); - VECADD(vel,vel,estate.vel); + psys_get_particle_state(&esim, p, &estate, 1); + VECADD(vel, vel, estate.vel); /* TODO: add rotation handling here too */ } } - if(epsys->lattice){ - end_latt_deform(epsys->lattice); - epsys->lattice= NULL; + if(esim.psys->lattice){ + end_latt_deform(esim.psys->lattice); + esim.psys->lattice= NULL; } } } @@ -2814,11 +2759,14 @@ void do_effectors(int pa_no, ParticleData *pa, ParticleKey *state, Scene *scene, /* Newtonian physics */ /************************************************/ /* gathers all forces that effect particles and calculates a new state for the particle */ -static void apply_particle_forces(Scene *scene, int pa_no, ParticleData *pa, Object *ob, ParticleSystem *psys, ParticleSettings *part, float timestep, float dfra, float cfra) +static void apply_particle_forces(ParticleSimulationData *sim, int p, float dfra, float cfra) { + ParticleSettings *part = sim->psys->part; + ParticleData *pa = sim->psys->particles + p; ParticleKey states[5], tkey; + float timestep = psys_get_timestep(sim); float force[3],tvel[3],dx[4][3],dv[4][3]; - float dtime=dfra*timestep, time, pa_mass=part->mass, fac, fra=psys->cfra; + float dtime=dfra*timestep, time, pa_mass=part->mass, fac, fra=sim->psys->cfra; int i, steps=1; /* maintain angular velocity */ @@ -2846,7 +2794,7 @@ static void apply_particle_forces(Scene *scene, int pa_no, ParticleData *pa, Obj tvel[0]=tvel[1]=tvel[2]=0.0; /* add effectors */ if(part->type != PART_HAIR) - do_effectors(pa_no,pa,states+i,scene, ob, psys,states->co,force,tvel,dfra,fra); + do_effectors(sim, p, pa, states+i, states->co, force, tvel, dfra, fra); /* calculate air-particle interaction */ if(part->dragfac!=0.0f){ @@ -2879,7 +2827,7 @@ static void apply_particle_forces(Scene *scene, int pa_no, ParticleData *pa, Obj if(i==0){ VECADDFAC(states[1].co,states->co,states->vel,dtime*0.5f); VECADDFAC(states[1].vel,states->vel,force,dtime*0.5f); - fra=psys->cfra+0.5f*dfra; + fra=sim->psys->cfra+0.5f*dfra; } else{ VECADDFAC(pa->state.co,states->co,states[1].vel,dtime); @@ -2896,7 +2844,7 @@ static void apply_particle_forces(Scene *scene, int pa_no, ParticleData *pa, Obj VECADDFAC(states[1].co,states->co,dx[0],0.5f); VECADDFAC(states[1].vel,states->vel,dv[0],0.5f); - fra=psys->cfra+0.5f*dfra; + fra=sim->psys->cfra+0.5f*dfra; break; case 1: VECADDFAC(dx[1],states->vel,dv[0],0.5f); @@ -2950,7 +2898,7 @@ static void apply_particle_forces(Scene *scene, int pa_no, ParticleData *pa, Obj tkey.time=pa->state.time; if(part->type != PART_HAIR) { - if(do_guide(scene, &tkey, pa_no, time, &psys->effectors)) { + if(do_guide(sim->scene, &tkey, p, time, &sim->psys->effectors)) { VECCOPY(pa->state.co,tkey.co); /* guides don't produce valid velocity */ VECSUB(pa->state.vel,tkey.co,pa->prev_state.co); @@ -3214,15 +3162,18 @@ void particle_intersect_face(void *userdata, int index, const BVHTreeRay *ray, B /* angular momentum <-> linear momentum and swept sphere - mesh collisions */ /* 1. check for all possible deflectors for closest intersection on particle path */ /* 2. if deflection was found kill the particle or calculate new coordinates */ -static void deflect_particle(Scene *scene, Object *pob, ParticleSystemModifierData *psmd, ParticleSystem *psys, ParticleSettings *part, ParticleData *pa, int p, float timestep, float dfra, float cfra){ +static void deflect_particle(ParticleSimulationData *sim, int p, float dfra, float cfra){ Object *ob = NULL, *skip_ob = NULL; - ListBase *lb=&psys->effectors; + ParticleSettings *part = sim->psys->part; + ListBase *lb=&sim->psys->effectors; ParticleEffectorCache *ec; ParticleKey reaction_state; ParticleCollision col; + ParticleData *pa = sim->psys->particles + p; BVHTreeRayHit hit; float ray_dir[3], zerovec[3]={0.0,0.0,0.0}; float radius = ((part->flag & PART_SIZE_DEFL)?pa->size:0.0f), boid_z = 0.0f; + float timestep = psys_get_timestep(sim); int deflections=0, max_deflections=10; VECCOPY(col.co1, pa->prev_state.co); @@ -3259,11 +3210,11 @@ static void deflect_particle(Scene *scene, Object *pob, ParticleSystemModifierDa continue; /* particles should not collide with emitter at birth */ - if(ob==pob && pa->time < cfra && pa->time >= psys->cfra) + if(ob==sim->ob && pa->time < cfra && pa->time >= sim->psys->cfra) continue; if(part->type!=PART_HAIR) - where_is_object_time(scene,ob,cfra); + where_is_object_time(sim->scene, sim->ob, cfra); col.md = ( CollisionModifierData * ) ( modifiers_findByType ( ec->ob, eModifierType_Collision ) ); col.ob_t = ob; @@ -3400,9 +3351,9 @@ static void deflect_particle(Scene *scene, Object *pob, ParticleSystemModifierDa } /* store state for reactors */ - VECCOPY(reaction_state.co, co); - VecLerpf(reaction_state.vel, pa->prev_state.vel, pa->state.vel, dt); - QuatInterpol(reaction_state.rot, pa->prev_state.rot, pa->state.rot, dt); + //VECCOPY(reaction_state.co, co); + //VecLerpf(reaction_state.vel, pa->prev_state.vel, pa->state.vel, dt); + //QuatInterpol(reaction_state.rot, pa->prev_state.rot, pa->state.rot, dt); /* set coordinates for next iteration */ VECCOPY(col.co1, co); @@ -3424,8 +3375,8 @@ static void deflect_particle(Scene *scene, Object *pob, ParticleSystemModifierDa } deflections++; - reaction_state.time = cfra - (1.0f - dt) * dfra; - push_reaction(col.ob, psys, p, PART_EVENT_COLLIDE, &reaction_state); + //reaction_state.time = cfra - (1.0f - dt) * dfra; + //push_reaction(col.ob, psys, p, PART_EVENT_COLLIDE, &reaction_state); } else return; @@ -3435,29 +3386,30 @@ static void deflect_particle(Scene *scene, Object *pob, ParticleSystemModifierDa /* Hair */ /************************************************/ /* check if path cache or children need updating and do it if needed */ -static void psys_update_path_cache(Scene *scene, Object *ob, ParticleSystemModifierData *psmd, ParticleSystem *psys, float cfra) +static void psys_update_path_cache(ParticleSimulationData *sim, float cfra) { - ParticleSettings *part=psys->part; - ParticleEditSettings *pset=&scene->toolsettings->particle; - int distr=0,alloc=0,skip=0; + ParticleSystem *psys = sim->psys; + ParticleSettings *part = psys->part; + ParticleEditSettings *pset = &sim->scene->toolsettings->particle; + int distr=0, alloc=0, skip=0; - if((psys->part->childtype && psys->totchild != get_psys_tot_child(scene, psys)) || psys->recalc&PSYS_RECALC_RESET) + if((psys->part->childtype && psys->totchild != get_psys_tot_child(sim->scene, psys)) || psys->recalc&PSYS_RECALC_RESET) alloc=1; - if(alloc || psys->recalc&PSYS_RECALC_CHILD || (psys->vgroup[PSYS_VG_DENSITY] && (ob && ob->mode & OB_MODE_WEIGHT_PAINT))) + if(alloc || psys->recalc&PSYS_RECALC_CHILD || (psys->vgroup[PSYS_VG_DENSITY] && (sim->ob && sim->ob->mode & OB_MODE_WEIGHT_PAINT))) distr=1; if(distr){ if(alloc) - realloc_particles(ob,psys,psys->totpart); + realloc_particles(sim, sim->psys->totpart); - if(get_psys_tot_child(scene, psys)) { + if(get_psys_tot_child(sim->scene, psys)) { /* don't generate children while computing the hair keys */ if(!(psys->part->type == PART_HAIR) || (psys->flag & PSYS_HAIR_DONE)) { - distribute_particles(scene, ob, psys, PART_FROM_CHILD); + distribute_particles(sim, PART_FROM_CHILD); if(part->from!=PART_FROM_PARTICLE && part->childtype==PART_CHILD_FACES && part->parents!=0.0) - psys_find_parents(ob,psmd,psys); + psys_find_parents(sim); } } } @@ -3471,7 +3423,7 @@ static void psys_update_path_cache(Scene *scene, Object *ob, ParticleSystemModif skip = 1; /* draw visualization */ else if(psys->pointcache->flag & PTCACHE_BAKING) skip = 1; /* no need to cache paths while baking dynamics */ - else if(psys_in_edit_mode(scene, psys)) { + else if(psys_in_edit_mode(sim->scene, psys)) { if((pset->flag & PE_DRAW_PART)==0) skip = 1; else if(part->childtype==0 && (psys->flag & PSYS_HAIR_DYNAMICS && psys->pointcache->flag & PTCACHE_BAKED)==0) @@ -3480,7 +3432,7 @@ static void psys_update_path_cache(Scene *scene, Object *ob, ParticleSystemModif } if(!skip) { - psys_cache_paths(scene, ob, psys, cfra); + psys_cache_paths(sim, cfra); /* for render, child particle paths are computed on the fly */ if(part->childtype) { @@ -3490,15 +3442,16 @@ static void psys_update_path_cache(Scene *scene, Object *ob, ParticleSystemModif skip = 1; if(!skip) - psys_cache_child_paths(scene, ob, psys, cfra, 0); + psys_cache_child_paths(sim, cfra, 0); } } else if(psys->pathcache) psys_free_path_cache(psys, NULL); } -static void do_hair_dynamics(Scene *scene, Object *ob, ParticleSystem *psys, ParticleSystemModifierData *psmd) +static void do_hair_dynamics(ParticleSimulationData *sim) { + ParticleSystem *psys = sim->psys; DerivedMesh *dm = psys->hair_in_dm; MVert *mvert = NULL; MEdge *medge = NULL; @@ -3521,7 +3474,8 @@ static void do_hair_dynamics(Scene *scene, Object *ob, ParticleSystem *psys, Par LOOP_PARTICLES totpoint += pa->totkey; - totedge = totpoint - psys->totpart; + totedge = totpoint; + totpoint += psys->totpart; if(dm && (totpoint != dm->getNumVerts(dm) || totedge != dm->getNumEdges(dm))) { dm->release(dm); @@ -3540,14 +3494,39 @@ static void do_hair_dynamics(Scene *scene, Object *ob, ParticleSystem *psys, Par psys->clmd->sim_parms->vgroup_mass = 1; /* make vgroup for pin roots etc.. */ - psys->particles->hair_index = 0; + psys->particles->hair_index = 1; LOOP_PARTICLES { if(p) - pa->hair_index = (pa-1)->hair_index + (pa-1)->totkey; + pa->hair_index = (pa-1)->hair_index + (pa-1)->totkey + 1; - psys_mat_hair_to_object(ob, psmd->dm, psys->part->from, pa, hairmat); + psys_mat_hair_to_object(sim->ob, sim->psmd->dm, psys->part->from, pa, hairmat); for(k=0, key=pa->hair; k<pa->totkey; k++,key++) { + + /* create fake root before actual root to resist bending */ + if(k==0) { + float temp[3]; + VECSUB(temp, key->co, (key+1)->co); + VECCOPY(mvert->co, key->co); + VECADD(mvert->co, mvert->co, temp); + Mat4MulVecfl(hairmat, mvert->co); + mvert++; + + medge->v1 = pa->hair_index - 1; + medge->v2 = pa->hair_index; + medge++; + + if(dvert) { + if(!dvert->totweight) { + dvert->dw = MEM_callocN (sizeof(MDeformWeight), "deformWeight"); + dvert->totweight = 1; + } + + dvert->dw->weight = 1.0f; + dvert++; + } + } + VECCOPY(mvert->co, key->co); Mat4MulVecfl(hairmat, mvert->co); mvert++; @@ -3577,18 +3556,19 @@ static void do_hair_dynamics(Scene *scene, Object *ob, ParticleSystem *psys, Par psys->clmd->point_cache = psys->pointcache; - psys->hair_out_dm = clothModifier_do(psys->clmd, scene, ob, dm, 0, 0); + psys->hair_out_dm = clothModifier_do(psys->clmd, sim->scene, sim->ob, dm, 0, 0); } -static void hair_step(Scene *scene, Object *ob, ParticleSystemModifierData *psmd, ParticleSystem *psys, float cfra) +static void hair_step(ParticleSimulationData *sim, float cfra) { - ParticleSettings *part = psys->part; + ParticleSystem *psys = sim->psys; +/* ParticleSettings *part = psys->part; */ PARTICLE_P; float disp = (float)get_current_display_percentage(psys)/100.0f; BLI_srandom(psys->seed); LOOP_PARTICLES { - if(BLI_frand() > disp) + if(PSYS_FRAND(p) > disp) pa->flag |= PARS_NO_DISP; else pa->flag &= ~PARS_NO_DISP; @@ -3596,36 +3576,33 @@ static void hair_step(Scene *scene, Object *ob, ParticleSystemModifierData *psmd if(psys->recalc & PSYS_RECALC_RESET) { /* need this for changing subsurf levels */ - psys_calc_dmcache(ob, psmd->dm, psys); + psys_calc_dmcache(sim->ob, sim->psmd->dm, psys); if(psys->clmd) - cloth_free_modifier(ob, psys->clmd); + cloth_free_modifier(sim->ob, psys->clmd); } - if(psys->effectors.first) - psys_end_effectors(psys); - /* dynamics with cloth simulation */ if(psys->part->type==PART_HAIR && psys->flag & PSYS_HAIR_DYNAMICS) - do_hair_dynamics(scene, ob, psys, psmd); + do_hair_dynamics(sim); - psys_init_effectors(scene, ob, part->eff_group, psys); - if(psys->effectors.first) - precalc_effectors(scene, ob,psys,psmd,cfra); + psys_update_effectors(sim, cfra, 1); - psys_update_path_cache(scene, ob,psmd,psys,cfra); + psys_update_path_cache(sim, cfra); psys->flag |= PSYS_HAIR_UPDATED; } -static void save_hair(Scene *scene, Object *ob, ParticleSystem *psys, ParticleSystemModifierData *psmd, float cfra){ +static void save_hair(ParticleSimulationData *sim, float cfra){ + Object *ob = sim->ob; + ParticleSystem *psys = sim->psys; HairKey *key, *root; PARTICLE_P; int totpart; - Mat4Invert(ob->imat,ob->obmat); + Mat4Invert(ob->imat, ob->obmat); - psys->lattice= psys_get_lattice(scene, ob, psys); + psys->lattice= psys_get_lattice(sim); if(psys->totpart==0) return; @@ -3648,7 +3625,7 @@ static void save_hair(Scene *scene, Object *ob, ParticleSystem *psys, ParticleSy if(pa->totkey) { VECSUB(key->co, key->co, root->co); - psys_vec_rot_to_face(psmd->dm, pa, key->co); + psys_vec_rot_to_face(sim->psmd->dm, pa, key->co); } key->time = pa->state.time; @@ -3666,17 +3643,17 @@ static void save_hair(Scene *scene, Object *ob, ParticleSystem *psys, ParticleSy /* System Core */ /************************************************/ /* unbaked particles are calculated dynamically */ -static void dynamics_step(Scene *scene, Object *ob, ParticleSystem *psys, ParticleSystemModifierData *psmd, float cfra, - float *vg_vel, float *vg_tan, float *vg_rot, float *vg_size) +static void dynamics_step(ParticleSimulationData *sim, float cfra) { + ParticleSystem *psys = sim->psys; ParticleSettings *part=psys->part; KDTree *tree=0; IpoCurve *icu_esize= NULL; //=find_ipocurve(part->ipo,PART_EMIT_SIZE); // XXX old animation system - Material *ma=give_current_material(ob,part->omat); +/* Material *ma=give_current_material(sim->ob, part->omat); */ BoidBrainData bbd; PARTICLE_P; float timestep; - int totpart; + int totpart, check_collisions = 0; /* current time */ float ctime, ipotime; // XXX old animation system /* frame & time changes */ @@ -3688,7 +3665,7 @@ static void dynamics_step(Scene *scene, Object *ob, ParticleSystem *psys, Partic totpart=psys->totpart; - timestep=psys_get_timestep(part); + timestep=psys_get_timestep(sim); dtime= dfra*timestep; ctime= cfra*timestep; ipotime= cfra; // XXX old animation system @@ -3702,12 +3679,10 @@ static void dynamics_step(Scene *scene, Object *ob, ParticleSystem *psys, Partic if(dfra<0.0){ float *vg_size=0; - if(part->type==PART_REACTOR) - vg_size=psys_cache_vgroup(psmd->dm,psys,PSYS_VG_SIZE); - - LOOP_PARTICLES { - if(pa->flag & PARS_UNEXIST) continue; + //if(part->type==PART_REACTOR) + // vg_size=psys_cache_vgroup(sim->psmd->dm,psys,PSYS_VG_SIZE); + LOOP_EXISTING_PARTICLES { /* set correct ipo timing */ #if 0 // XXX old animation system if((part->flag&PART_ABS_TIME)==0 && part->ipo){ @@ -3716,13 +3691,15 @@ static void dynamics_step(Scene *scene, Object *ob, ParticleSystem *psys, Partic execute_ipo((ID *)part, part->ipo); } #endif // XXX old animation system - pa->size=psys_get_size(ob,ma,psmd,icu_esize,psys,part,pa,vg_size); + pa->size = part->size; + if(part->randsize > 0.0) + pa->size *= 1.0f - part->randsize * PSYS_FRAND(p + 1); - reset_particle(scene, pa,psys,psmd,ob,dtime,cfra,vg_vel,vg_tan,vg_rot); + reset_particle(sim, pa, dtime, cfra); - if(cfra>pa->time && part->flag & PART_LOOP && part->type!=PART_HAIR){ - pa->loop=(short)((cfra-pa->time)/pa->lifetime); - pa->alive=PARS_UNBORN; + if(cfra > pa->time && part->flag & PART_LOOP && part->type!=PART_HAIR){ + pa->loop = (short)((cfra-pa->time)/pa->lifetime); + pa->alive = PARS_UNBORN; } else{ pa->loop = 0; @@ -3743,21 +3720,12 @@ static void dynamics_step(Scene *scene, Object *ob, ParticleSystem *psys, Partic } else{ BLI_srandom(31415926 + (int)cfra + psys->seed); - - /* update effectors */ - if(psys->effectors.first) - psys_end_effectors(psys); - psys_init_effectors(scene, ob, part->eff_group, psys); - - if(psys->effectors.first) - precalc_effectors(scene, ob,psys,psmd,cfra); + psys_update_effectors(sim, cfra, 1); if(part->phystype==PART_PHYS_BOIDS){ ParticleTarget *pt = psys->targets.first; - bbd.scene = scene; - bbd.ob = ob; - bbd.psys = psys; + bbd.sim = sim; bbd.part = part; bbd.cfra = cfra; bbd.dfra = dfra; @@ -3774,9 +3742,7 @@ static void dynamics_step(Scene *scene, Object *ob, ParticleSystem *psys, Partic } /* main loop: calculate physics for all particles */ - LOOP_PARTICLES { - if(pa->flag & (PARS_UNEXIST+PARS_NO_DISP)) continue; - + LOOP_SHOWN_PARTICLES { copy_particle_key(&pa->prev_state,&pa->state,1); /* set correct ipo timing */ @@ -3787,23 +3753,19 @@ static void dynamics_step(Scene *scene, Object *ob, ParticleSystem *psys, Partic execute_ipo((ID *)part, part->ipo); } #endif // XXX old animation system - pa->size=psys_get_size(ob,ma,psmd,icu_esize,psys,part,pa,vg_size); + //update_particle_settings(psys, part, &tpart, pa); + + pa->size = part->size; + if(part->randsize > 0.0) + pa->size *= 1.0f - part->randsize * PSYS_FRAND(p + 1); - /* reactions can change birth time so they need to be checked first */ - if(psys->reactevents.first && ELEM(pa->alive,PARS_DEAD,PARS_KILLED)==0) - react_to_events(psys,p); + ///* reactions can change birth time so they need to be checked first */ + //if(psys->reactevents.first && ELEM(pa->alive,PARS_DEAD,PARS_KILLED)==0) + // react_to_events(psys,p); birthtime = pa->time + pa->loop * pa->lifetime; dietime = birthtime + pa->lifetime; - /* allways reset particles to emitter before birth */ - if(pa->alive==PARS_UNBORN - || pa->alive==PARS_KILLED - || ELEM(part->phystype,PART_PHYS_NO,PART_PHYS_KEYED) - || birthtime >= psys->cfra){ - reset_particle(scene, pa,psys,psmd,ob,dtime,cfra,vg_vel,vg_tan,vg_rot); - } - pa_dfra = dfra; pa_dtime = dtime; @@ -3816,6 +3778,7 @@ static void dynamics_step(Scene *scene, Object *ob, ParticleSystem *psys, Partic } else if(birthtime <= cfra && birthtime >= psys->cfra){ /* particle is born some time between this and last step*/ + reset_particle(sim, pa, dtime, cfra); pa->alive = PARS_ALIVE; pa_dfra = cfra - birthtime; pa_dtime = pa_dfra*timestep; @@ -3824,18 +3787,22 @@ static void dynamics_step(Scene *scene, Object *ob, ParticleSystem *psys, Partic /* nothing to be done when particle is dead */ } + /* only reset unborn particles if they're shown */ + if(pa->alive==PARS_UNBORN && part->flag & PART_UNBORN) + reset_particle(sim, pa, dtime, cfra); if(dfra>0.0 && ELEM(pa->alive,PARS_ALIVE,PARS_DYING)){ switch(part->phystype){ case PART_PHYS_NEWTON: /* do global forces & effectors */ - apply_particle_forces(scene, p, pa, ob, psys, part, timestep,pa_dfra,cfra); + apply_particle_forces(sim, p, pa_dfra, cfra); /* deflection */ - deflect_particle(scene, ob,psmd,psys,part,pa,p,timestep,pa_dfra,cfra); + if(check_collisions) + deflect_particle(sim, p, pa_dfra, cfra); /* rotations */ - rotate_particle(part,pa,pa_dfra,timestep); + rotate_particle(part, pa, pa_dfra, timestep); break; case PART_PHYS_BOIDS: { @@ -3845,18 +3812,18 @@ static void dynamics_step(Scene *scene, Object *ob, ParticleSystem *psys, Partic boid_body(&bbd, pa); /* deflection */ - deflect_particle(scene,ob,psmd,psys,part,pa,p,timestep,pa_dfra,cfra); + deflect_particle(sim, p, pa_dfra, cfra); } break; } } if(pa->alive == PARS_DYING){ - push_reaction(ob,psys,p,PART_EVENT_DEATH,&pa->state); + //push_reaction(ob,psys,p,PART_EVENT_DEATH,&pa->state); if(part->flag & PART_LOOP && part->type!=PART_HAIR){ pa->loop++; - reset_particle(scene, pa,psys,psmd,ob,0.0,cfra,vg_vel,vg_tan,vg_rot); + reset_particle(sim, pa, 0.0, cfra); pa->alive=PARS_ALIVE; } else{ @@ -3867,7 +3834,7 @@ static void dynamics_step(Scene *scene, Object *ob, ParticleSystem *psys, Partic else pa->state.time=cfra; - push_reaction(ob,psys,p,PART_EVENT_NEAR,&pa->state); + //push_reaction(ob,psys,p,PART_EVENT_NEAR,&pa->state); } } } @@ -3879,28 +3846,21 @@ static void dynamics_step(Scene *scene, Object *ob, ParticleSystem *psys, Partic } /* updates cached particles' alive & other flags etc..*/ -static void cached_step(Scene *scene, Object *ob, ParticleSystemModifierData *psmd, ParticleSystem *psys, float cfra) +static void cached_step(ParticleSimulationData *sim, float cfra) { - ParticleSettings *part=psys->part; - ParticleKey state; - IpoCurve *icu_esize= NULL; //=find_ipocurve(part->ipo,PART_EMIT_SIZE); // XXX old animation system - Material *ma=give_current_material(ob,part->omat); + ParticleSystem *psys = sim->psys; + ParticleSettings *part = psys->part; + IpoCurve *icu_esize = NULL; //=find_ipocurve(part->ipo,PART_EMIT_SIZE); // XXX old animation system +/* Material *ma = give_current_material(sim->ob,part->omat); */ PARTICLE_P; float disp, birthtime, dietime, *vg_size= NULL; // XXX ipotime=cfra BLI_srandom(psys->seed); if(part->from!=PART_FROM_PARTICLE) - vg_size= psys_cache_vgroup(psmd->dm,psys,PSYS_VG_SIZE); + vg_size= psys_cache_vgroup(sim->psmd->dm,psys,PSYS_VG_SIZE); - if(psys->effectors.first) - psys_end_effectors(psys); - - //if(part->flag & (PART_BAKED_GUIDES+PART_BAKED_DEATHS)){ - psys_init_effectors(scene, ob, part->eff_group, psys); - if(psys->effectors.first) - precalc_effectors(scene, ob,psys,psmd,cfra); - //} + psys_update_effectors(sim, cfra, 1); disp= (float)get_current_display_percentage(psys)/100.0f; @@ -3912,9 +3872,13 @@ static void cached_step(Scene *scene, Object *ob, ParticleSystemModifierData *ps execute_ipo((ID *)part, part->ipo); } #endif // XXX old animation system - pa->size= psys_get_size(ob,ma,psmd,icu_esize,psys,part,pa,vg_size); + //update_settings_with_particle(psys, part, pa); + + pa->size = part->size; + if(part->randsize > 0.0) + pa->size *= 1.0f - part->randsize * PSYS_FRAND(p + 1); - psys->lattice= psys_get_lattice(scene, ob, psys); + psys->lattice= psys_get_lattice(sim); if(part->flag & PART_LOOP && part->type!=PART_HAIR) pa->loop = (short)((cfra - pa->time) / pa->lifetime); @@ -3925,25 +3889,16 @@ static void cached_step(Scene *scene, Object *ob, ParticleSystemModifierData *ps dietime = birthtime + (1 + pa->loop) * (pa->dietime - pa->time); /* update alive status and push events */ - if(pa->time >= cfra) { - pa->alive = pa->time==cfra ? PARS_ALIVE : PARS_UNBORN; - if((psys->pointcache->flag & PTCACHE_EXTERNAL) == 0) - reset_particle(scene, pa, psys, psmd, ob, 0.0f, cfra, NULL, NULL, NULL); + if(pa->time > cfra) { + pa->alive = PARS_UNBORN; + if(part->flag & PART_UNBORN && (psys->pointcache->flag & PTCACHE_EXTERNAL) == 0) + reset_particle(sim, pa, 0.0f, cfra); } else if(dietime <= cfra){ - if(dietime > psys->cfra){ - state.time = dietime; - psys_get_particle_state(scene, ob,psys,p,&state,1); - push_reaction(ob,psys,p,PART_EVENT_DEATH,&state); - } pa->alive = PARS_DEAD; } else{ pa->alive = PARS_ALIVE; - state.time = cfra; - psys_get_particle_state(scene, ob,psys,p,&state,1); - state.time = cfra; - push_reaction(ob,psys,p,PART_EVENT_NEAR,&state); } if(psys->lattice){ @@ -3951,43 +3906,41 @@ static void cached_step(Scene *scene, Object *ob, ParticleSystemModifierData *ps psys->lattice= NULL; } - if(BLI_frand() > disp) + if(PSYS_FRAND(p) > disp) pa->flag |= PARS_NO_DISP; else pa->flag &= ~PARS_NO_DISP; } /* make sure that children are up to date */ - if(psys->part->childtype && psys->totchild != get_psys_tot_child(scene, psys)) { - realloc_particles(ob, psys, psys->totpart); - distribute_particles(scene, ob, psys, PART_FROM_CHILD); + if(psys->part->childtype && psys->totchild != get_psys_tot_child(sim->scene, psys)) { + realloc_particles(sim, psys->totpart); + distribute_particles(sim, PART_FROM_CHILD); } - psys_update_path_cache(scene, ob,psmd,psys,cfra); + psys_update_path_cache(sim, cfra); if(vg_size) MEM_freeN(vg_size); } -static void psys_changed_type(Object *ob, ParticleSystem *psys) +static void psys_changed_type(ParticleSimulationData *sim) { - ParticleSettings *part; + ParticleSettings *part = sim->psys->part; PTCacheID pid; - part= psys->part; - - BKE_ptcache_id_from_particles(&pid, ob, psys); + BKE_ptcache_id_from_particles(&pid, sim->ob, sim->psys); /* system type has changed so set sensible defaults and clear non applicable flags */ if(part->from == PART_FROM_PARTICLE) { - if(part->type != PART_REACTOR) - part->from = PART_FROM_FACE; + //if(part->type != PART_REACTOR) + part->from = PART_FROM_FACE; if(part->distr == PART_DISTR_GRID && part->from != PART_FROM_VERT) part->distr = PART_DISTR_JIT; } if(part->phystype != PART_PHYS_KEYED) - psys->flag &= ~PSYS_KEYED; + sim->psys->flag &= ~PSYS_KEYED; if(part->type == PART_HAIR) { if(ELEM4(part->ren_as, PART_DRAW_NOT, PART_DRAW_PATH, PART_DRAW_OB, PART_DRAW_GR)==0) @@ -4002,13 +3955,13 @@ static void psys_changed_type(Object *ob, ParticleSystem *psys) BKE_ptcache_id_clear(&pid, PTCACHE_CLEAR_ALL, 0); } else { - free_hair(ob, psys, 1); + free_hair(sim->ob, sim->psys, 1); CLAMP(part->path_start, 0.0f, MAX2(100.0f, part->end + part->lifetime)); CLAMP(part->path_end, 0.0f, MAX2(100.0f, part->end + part->lifetime)); } - psys_reset(psys, PSYS_RESET_ALL); + psys_reset(sim->psys, PSYS_RESET_ALL); } void psys_check_boid_data(ParticleSystem *psys) { @@ -4034,24 +3987,24 @@ void psys_check_boid_data(ParticleSystem *psys) pa->boid = NULL; } } -static void psys_changed_physics(Object *ob, ParticleSystem *psys) +static void psys_changed_physics(ParticleSimulationData *sim) { - ParticleSettings *part = psys->part; + ParticleSettings *part = sim->psys->part; if(ELEM(part->phystype, PART_PHYS_NO, PART_PHYS_KEYED)) { PTCacheID pid; - BKE_ptcache_id_from_particles(&pid, ob, psys); + BKE_ptcache_id_from_particles(&pid, sim->ob, sim->psys); BKE_ptcache_id_clear(&pid, PTCACHE_CLEAR_ALL, 0); } else { - free_keyed_keys(psys); - psys->flag &= ~PSYS_KEYED; + free_keyed_keys(sim->psys); + sim->psys->flag &= ~PSYS_KEYED; } if(part->phystype == PART_PHYS_BOIDS && part->boids == NULL) { BoidState *state; - psys_check_boid_data(psys); + psys_check_boid_data(sim->psys); part->boids = MEM_callocN(sizeof(BoidSettings), "Boid Settings"); boid_default_settings(part->boids); @@ -4066,8 +4019,9 @@ static void psys_changed_physics(Object *ob, ParticleSystem *psys) BLI_addtail(&part->boids->states, state); } } -static void particles_fluid_step(Scene *scene, Object *ob, ParticleSystem *psys, int cfra) +static void particles_fluid_step(ParticleSimulationData *sim, int cfra) { + ParticleSystem *psys = sim->psys; if(psys->particles){ MEM_freeN(psys->particles); psys->particles = 0; @@ -4077,7 +4031,7 @@ static void particles_fluid_step(Scene *scene, Object *ob, ParticleSystem *psys, /* fluid sim particle import handling, actual loading of particles from file */ #ifndef DISABLE_ELBEEM { - FluidsimModifierData *fluidmd = (FluidsimModifierData *)modifiers_findByType(ob, eModifierType_Fluidsim); + FluidsimModifierData *fluidmd = (FluidsimModifierData *)modifiers_findByType(sim->ob, eModifierType_Fluidsim); if( fluidmd && fluidmd->fss) { FluidsimSettings *fss= fluidmd->fss; @@ -4087,7 +4041,7 @@ static void particles_fluid_step(Scene *scene, Object *ob, ParticleSystem *psys, char *suffix2 = ".gz"; char filename[256]; char debugStrBuffer[256]; - int curFrame = scene->r.cfra -1; // warning - sync with derived mesh fsmesh loading + int curFrame = sim->scene->r.cfra -1; // warning - sync with derived mesh fsmesh loading int p, j, numFileParts, totpart; int readMask, activeParts = 0, fileParts = 0; gzFile gzf; @@ -4115,11 +4069,11 @@ static void particles_fluid_step(Scene *scene, Object *ob, ParticleSystem *psys, part->totpart= totpart; part->sta=part->end = 1.0f; - part->lifetime = scene->r.efra + 1; + part->lifetime = sim->scene->r.efra + 1; /* initialize particles */ - realloc_particles(ob, psys, part->totpart); - initialize_all_particles(ob, psys, 0); + realloc_particles(sim, part->totpart); + initialize_all_particles(sim); // set up reading mask readMask = fss->typeFlags; @@ -4175,10 +4129,11 @@ static void particles_fluid_step(Scene *scene, Object *ob, ParticleSystem *psys, /* Calculates the next state for all particles of the system */ /* In particles code most fra-ending are frames, time-ending are fra*timestep (seconds)*/ -static void system_step(Scene *scene, Object *ob, ParticleSystem *psys, ParticleSystemModifierData *psmd, float cfra) +static void system_step(ParticleSimulationData *sim, float cfra) { - ParticleSettings *part; - PointCache *cache; + ParticleSystem *psys = sim->psys; + ParticleSettings *part = psys->part; + PointCache *cache = psys->pointcache; PTCacheID pid; PARTICLE_P; int totpart, oldtotpart, totchild, oldtotchild; @@ -4186,20 +4141,17 @@ static void system_step(Scene *scene, Object *ob, ParticleSystem *psys, Particle int init= 0, distr= 0, alloc= 0, usecache= 0, only_children_changed= 0; int framenr, framedelta, startframe, endframe; - part= psys->part; - cache= psys->pointcache; - - framenr= (int)scene->r.cfra; + framenr= (int)sim->scene->r.cfra; framedelta= framenr - cache->simframe; /* set suitable cache range automatically */ if((cache->flag & (PTCACHE_BAKING|PTCACHE_BAKED))==0 && !(psys->flag & PSYS_HAIR_DYNAMICS)) - psys_get_pointcache_start_end(scene, psys, &cache->startframe, &cache->endframe); + psys_get_pointcache_start_end(sim->scene, sim->psys, &cache->startframe, &cache->endframe); - BKE_ptcache_id_from_particles(&pid, ob, psys); - BKE_ptcache_id_time(&pid, scene, 0.0f, &startframe, &endframe, NULL); + BKE_ptcache_id_from_particles(&pid, sim->ob, psys); + BKE_ptcache_id_time(&pid, sim->scene, 0.0f, &startframe, &endframe, NULL); - psys_clear_temp_pointcache(psys); + psys_clear_temp_pointcache(sim->psys); /* update ipo's */ #if 0 // XXX old animation system @@ -4211,14 +4163,14 @@ static void system_step(Scene *scene, Object *ob, ParticleSystem *psys, Particle /* hair if it's already done is handled separate */ if(part->type == PART_HAIR && (psys->flag & PSYS_HAIR_DONE)) { - hair_step(scene, ob, psmd, psys, cfra); + hair_step(sim, cfra); psys->cfra = cfra; psys->recalc = 0; return; } /* fluid is also handled separate */ else if(part->type == PART_FLUID) { - particles_fluid_step(scene, ob, psys, framenr); + particles_fluid_step(sim, framenr); psys->cfra = cfra; psys->recalc = 0; return; @@ -4255,7 +4207,7 @@ static void system_step(Scene *scene, Object *ob, ParticleSystem *psys, Particle totpart = part->grid_res*part->grid_res*part->grid_res; else totpart = psys->part->totpart; - totchild = get_psys_tot_child(scene, psys); + totchild = get_psys_tot_child(sim->scene, psys); if(oldtotpart != totpart || oldtotchild != totchild) { only_children_changed = (oldtotpart == totpart); @@ -4272,45 +4224,45 @@ static void system_step(Scene *scene, Object *ob, ParticleSystem *psys, Particle if(init) { if(distr) { if(alloc) { - realloc_particles(ob, psys, totpart); + realloc_particles(sim, totpart); if(usecache && !only_children_changed) { BKE_ptcache_id_clear(&pid, PTCACHE_CLEAR_ALL, 0); - BKE_ptcache_id_from_particles(&pid, ob, psys); + BKE_ptcache_id_from_particles(&pid, sim->ob, psys); } } if(!only_children_changed) - distribute_particles(scene, ob, psys, part->from); + distribute_particles(sim, part->from); if((psys->part->type == PART_HAIR) && !(psys->flag & PSYS_HAIR_DONE)) /* don't generate children while growing hair - waste of time */ psys_free_children(psys); - else if(get_psys_tot_child(scene, psys)) - distribute_particles(scene, ob, psys, PART_FROM_CHILD); + else if(get_psys_tot_child(sim->scene, psys)) + distribute_particles(sim, PART_FROM_CHILD); } if(!only_children_changed) { free_keyed_keys(psys); - initialize_all_particles(ob, psys, psmd); + initialize_all_particles(sim); if(alloc) { - reset_all_particles(scene, ob, psys, psmd, 0.0, cfra, oldtotpart); + reset_all_particles(sim, 0.0, cfra, oldtotpart); } } /* flag for possible explode modifiers after this system */ - psmd->flag |= eParticleSystemFlag_Pars; + sim->psmd->flag |= eParticleSystemFlag_Pars; } /* try to read from the cache */ if(usecache) { - int result = BKE_ptcache_read_cache(&pid, cfra, scene->r.frs_sec); + int result = BKE_ptcache_read_cache(&pid, cfra, sim->scene->r.frs_sec); if(result == PTCACHE_READ_EXACT || result == PTCACHE_READ_INTERPOLATED) { - cached_step(scene, ob, psmd, psys, cfra); + cached_step(sim, cfra); psys->cfra=cfra; psys->recalc = 0; @@ -4334,7 +4286,7 @@ static void system_step(Scene *scene, Object *ob, ParticleSystem *psys, Particle pa->alive = PARS_ALIVE; } } - else if(ob->id.lib || (cache->flag & PTCACHE_BAKED)) { + else if(sim->ob->id.lib || (cache->flag & PTCACHE_BAKED)) { psys_reset(psys, PSYS_RESET_CACHE_MISS); psys->cfra=cfra; psys->recalc = 0; @@ -4352,14 +4304,14 @@ static void system_step(Scene *scene, Object *ob, ParticleSystem *psys, Particle BKE_ptcache_write_cache(&pid, startframe); if(part->phystype==PART_PHYS_KEYED) - psys_count_keyed_targets(ob,psys); + psys_count_keyed_targets(sim); /* initialize vertex groups */ if(part->from!=PART_FROM_PARTICLE) { - vg_vel= psys_cache_vgroup(psmd->dm,psys,PSYS_VG_VEL); - vg_tan= psys_cache_vgroup(psmd->dm,psys,PSYS_VG_TAN); - vg_rot= psys_cache_vgroup(psmd->dm,psys,PSYS_VG_ROT); - vg_size= psys_cache_vgroup(psmd->dm,psys,PSYS_VG_SIZE); + vg_vel= psys_cache_vgroup(sim->psmd->dm,psys,PSYS_VG_VEL); + vg_tan= psys_cache_vgroup(sim->psmd->dm,psys,PSYS_VG_TAN); + vg_rot= psys_cache_vgroup(sim->psmd->dm,psys,PSYS_VG_ROT); + vg_size= psys_cache_vgroup(sim->psmd->dm,psys,PSYS_VG_SIZE); } /* set particles to be not calculated TODO: can't work with pointcache */ @@ -4367,7 +4319,7 @@ static void system_step(Scene *scene, Object *ob, ParticleSystem *psys, Particle BLI_srandom(psys->seed); LOOP_PARTICLES { - if(BLI_frand() > disp) + if(PSYS_FRAND(p) > disp) pa->flag |= PARS_NO_DISP; else pa->flag &= ~PARS_NO_DISP; @@ -4383,7 +4335,7 @@ static void system_step(Scene *scene, Object *ob, ParticleSystem *psys, Particle for(dframe=-totframesback; dframe<=0; dframe++) { /* ok now we're all set so let's go */ - dynamics_step(scene, ob, psys, psmd, cfra+dframe, vg_vel, vg_tan, vg_rot, vg_size); + dynamics_step(sim, cfra+dframe); psys->cfra = cfra+dframe; } } @@ -4400,8 +4352,8 @@ static void system_step(Scene *scene, Object *ob, ParticleSystem *psys, Particle /* for keyed particles the path is allways known so it can be drawn */ if(part->phystype==PART_PHYS_KEYED) { - set_keyed_keys(scene, ob, psys); - psys_update_path_cache(scene, ob, psmd, psys,(int)cfra); + set_keyed_keys(sim); + psys_update_path_cache(sim,(int)cfra); } else if(psys->pathcache) psys_free_path_cache(psys, NULL); @@ -4431,30 +4383,33 @@ static int hair_needs_recalc(ParticleSystem *psys) /* main particle update call, checks that things are ok on the large scale before actual particle calculations */ void particle_system_update(Scene *scene, Object *ob, ParticleSystem *psys) { - ParticleSystemModifierData *psmd; + ParticleSimulationData sim = {scene, ob, psys, NULL}; float cfra; + /* drawdata is outdated after ANY change */ + if(psys->pdd) psys->pdd->flag &= ~PARTICLE_DRAW_DATA_UPDATED; + if(!psys_check_enabled(ob, psys)) return; cfra= bsystem_time(scene, ob, (float)scene->r.cfra, 0.0f); - psmd= psys_get_modifier(ob, psys); + sim.psmd= psys_get_modifier(ob, psys); /* system was already updated from modifier stack */ - if(psmd->flag & eParticleSystemFlag_psys_updated) { - psmd->flag &= ~eParticleSystemFlag_psys_updated; + if(sim.psmd->flag & eParticleSystemFlag_psys_updated) { + sim.psmd->flag &= ~eParticleSystemFlag_psys_updated; /* make sure it really was updated to cfra */ if(psys->cfra == cfra) return; } - if(!psmd->dm) + if(!sim.psmd->dm) return; if(psys->recalc & PSYS_RECALC_TYPE) - psys_changed_type(ob, psys); + psys_changed_type(&sim); else if(psys->recalc & PSYS_RECALC_PHYS) - psys_changed_physics(ob, psys); + psys_changed_physics(&sim); /* (re-)create hair */ if(psys->part->type==PART_HAIR && hair_needs_recalc(psys)) { @@ -4468,15 +4423,15 @@ void particle_system_update(Scene *scene, Object *ob, ParticleSystem *psys) for(i=0; i<=psys->part->hair_step; i++){ hcfra=100.0f*(float)i/(float)psys->part->hair_step; - system_step(scene, ob, psys, psmd, hcfra); - save_hair(scene, ob, psys, psmd, hcfra); + system_step(&sim, hcfra); + save_hair(&sim, hcfra); } psys->flag |= PSYS_HAIR_DONE; } /* the main particle system step */ - system_step(scene, ob, psys, psmd, cfra); + system_step(&sim, cfra); /* save matrix for duplicators */ Mat4Invert(psys->imat, ob->obmat); |