diff options
Diffstat (limited to 'source/blender/blenkernel/intern/anim.c')
| -rw-r--r-- | source/blender/blenkernel/intern/anim.c | 59 |
1 files changed, 49 insertions, 10 deletions
diff --git a/source/blender/blenkernel/intern/anim.c b/source/blender/blenkernel/intern/anim.c index e943d92a0b5..5cd901066f8 100644 --- a/source/blender/blenkernel/intern/anim.c +++ b/source/blender/blenkernel/intern/anim.c @@ -280,17 +280,27 @@ int where_on_path(Object *ob, float ctime, float *vec, float *dir, float *quat, if (quat) { float totfac, q1[4], q2[4]; + /* checks for totfac are needed when 'fac' is 1.0 key_curve_position_weights can assign zero + * to more then one index in data which can give divide by zero error */ +/* totfac= data[0]+data[1]; - QuatInterpol(q1, p0->quat, p1->quat, data[0] / totfac); + if(totfac>0.000001) QuatInterpol(q1, p0->quat, p1->quat, data[0] / totfac); + else QUATCOPY(q1, p1->quat); + NormalQuat(q1); totfac= data[2]+data[3]; - QuatInterpol(q2, p2->quat, p3->quat, data[2] / totfac); + if(totfac>0.000001) QuatInterpol(q2, p2->quat, p3->quat, data[2] / totfac); + else QUATCOPY(q1, p3->quat); NormalQuat(q2); totfac = data[0]+data[1]+data[2]+data[3]; - QuatInterpol(quat, q1, q2, (data[0]+data[1]) / totfac); + if(totfac>0.000001) QuatInterpol(quat, q1, q2, (data[0]+data[1]) / totfac); + else QUATCOPY(quat, q2); NormalQuat(quat); + */ + // XXX - find some way to make quat interpolation work correctly, above code fails in rare but nasty cases. + QUATCOPY(quat, p1->quat); } if(radius) @@ -766,6 +776,7 @@ static void new_particle_duplilist(ListBase *lb, ID *id, Scene *scene, Object *p GroupObject *go; Object *ob=0, **oblist=0, obcopy, *obcopylist=0; DupliObject *dob; + ParticleDupliWeight *dw; ParticleSimulationData sim = {scene, par, psys, psys_get_modifier(par, psys)}; ParticleSettings *part; ParticleData *pa; @@ -773,7 +784,7 @@ static void new_particle_duplilist(ListBase *lb, ID *id, Scene *scene, Object *p ParticleKey state; ParticleCacheKey *cache; float ctime, pa_time, scale = 1.0f; - float tmat[4][4], mat[4][4], pamat[4][4], size=0.0; + float tmat[4][4], mat[4][4], pamat[4][4], vec[3], size=0.0; float (*obmat)[4], (*oldobmat)[4]; int lay, a, b, counter, hair = 0; int totpart, totchild, totgroup=0, pa_num; @@ -803,6 +814,8 @@ static void new_particle_duplilist(ListBase *lb, ID *id, Scene *scene, Object *p ((part->ren_as == PART_DRAW_OB && part->dup_ob) || (part->ren_as == PART_DRAW_GR && part->dup_group && part->dup_group->gobject.first))) { + psys_check_group_weights(part); + /* if we have a hair particle system, use the path cache */ if(part->type == PART_HAIR) { if(psys->flag & PSYS_HAIR_DONE) @@ -821,18 +834,37 @@ static void new_particle_duplilist(ListBase *lb, ID *id, Scene *scene, Object *p if(part->ren_as==PART_DRAW_GR) { group_handle_recalc_and_update(scene, par, part->dup_group); - for(go=part->dup_group->gobject.first; go; go=go->next) - totgroup++; + if(part->draw & PART_DRAW_COUNT_GR) { + for(dw=part->dupliweights.first; dw; dw=dw->next) + totgroup += dw->count; + } + else { + for(go=part->dup_group->gobject.first; go; go=go->next) + totgroup++; + } /* we also copy the actual objects to restore afterwards, since * where_is_object_time will change the object which breaks transform */ oblist = MEM_callocN(totgroup*sizeof(Object *), "dupgroup object list"); obcopylist = MEM_callocN(totgroup*sizeof(Object), "dupgroup copy list"); - go = part->dup_group->gobject.first; - for(a=0; a<totgroup; a++, go=go->next) { - oblist[a] = go->ob; - obcopylist[a] = *go->ob; + + if(part->draw & PART_DRAW_COUNT_GR && totgroup) { + dw = part->dupliweights.first; + + for(a=0; a<totgroup; dw=dw->next) { + for(b=0; b<dw->count; b++, a++) { + oblist[a] = dw->ob; + obcopylist[a] = *dw->ob; + } + } + } + else { + go = part->dup_group->gobject.first; + for(a=0; a<totgroup; a++, go=go->next) { + oblist[a] = go->ob; + obcopylist[a] = *go->ob; + } } } else { @@ -926,11 +958,18 @@ static void new_particle_duplilist(ListBase *lb, ID *id, Scene *scene, Object *p else { /* to give ipos in object correct offset */ where_is_object_time(scene, ob, ctime-pa_time); + + VECCOPY(vec, obmat[3]); + obmat[3][0] = obmat[3][1] = obmat[3][2] = 0.0f; Mat4CpyMat4(mat, pamat); Mat4MulMat4(tmat, obmat, mat); Mat4MulFloat3((float *)tmat, size*scale); + + if(part->draw & PART_DRAW_GLOBAL_OB) + VECADD(tmat[3], tmat[3], vec); + if(par_space_mat) Mat4MulMat4(mat, tmat, par_space_mat); else |