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Differential D5023 Diff 15892 source/blender/blenkernel/intern/particle_system.c

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source/blender/blenkernel/intern/particle_system.c

Show First 20 Lines • Show All 461 Lines • ▼ Show 20 Linesvoid psys_calc_dmcache(Object *ob, Mesh *mesh_final, Mesh *mesh_original, ParticleSystem *psys)
} }
} }
/* threaded child particle distribution and path caching */ /* threaded child particle distribution and path caching */
void psys_thread_context_init(ParticleThreadContext *ctx, ParticleSimulationData *sim) void psys_thread_context_init(ParticleThreadContext *ctx, ParticleSimulationData *sim)
{ {
memset(ctx, 0, sizeof(ParticleThreadContext)); memset(ctx, 0, sizeof(ParticleThreadContext));
ctx->sim = *sim; ctx->sim = *sim;
ctx->mesh = ctx->sim.psmd->mesh_final; ctx->mesh = BKE_particle_modifier_mesh_final_get(ctx->sim.psmd);
ctx->ma = give_current_material(sim->ob, sim->psys->part->omat); ctx->ma = give_current_material(sim->ob, sim->psys->part->omat);
} }
void psys_tasks_create(ParticleThreadContext *ctx, void psys_tasks_create(ParticleThreadContext *ctx,
int startpart, int startpart,
int endpart, int endpart,
ParticleTask **r_tasks, ParticleTask **r_tasks,
int *r_numtasks) int *r_numtasks)
▲ Show 20 Lines • Show All 2,864 Lines • ▼ Show 20 Linesstatic void hair_create_input_mesh(ParticleSimulationData *sim,
psys->clmd->sim_parms->vgroup_mass = 1; psys->clmd->sim_parms->vgroup_mass = 1;
/* XXX placeholder for more flexible future hair settings */ /* XXX placeholder for more flexible future hair settings */
hair_radius = part->size; hair_radius = part->size;
/* make vgroup for pin roots etc.. */ /* make vgroup for pin roots etc.. */
hair_index = 1; hair_index = 1;
Mesh *mesh_final = BKE_particle_modifier_mesh_final_get(sim->psmd);
LOOP_PARTICLES LOOP_PARTICLES
{ {
if (!(pa->flag & PARS_UNEXIST)) { if (!(pa->flag & PARS_UNEXIST)) {
float root_mat[4][4]; float root_mat[4][4];
float bending_stiffness; float bending_stiffness;
bool use_hair; bool use_hair;
pa->hair_index = hair_index; pa->hair_index = hair_index;
use_hair = psys_hair_use_simulation(pa, max_length); use_hair = psys_hair_use_simulation(pa, max_length);
psys_mat_hair_to_object(sim->ob, sim->psmd->mesh_final, psys->part->from, pa, hairmat); psys_mat_hair_to_object(sim->ob, mesh_final, psys->part->from, pa, hairmat);
mul_m4_m4m4(root_mat, sim->ob->obmat, hairmat); mul_m4_m4m4(root_mat, sim->ob->obmat, hairmat);
normalize_m4(root_mat); normalize_m4(root_mat);
bending_stiffness = CLAMPIS( bending_stiffness = CLAMPIS(
1.0f - part->bending_random * psys_frand(psys, p + 666), 0.0f, 1.0f); 1.0f - part->bending_random * psys_frand(psys, p + 666), 0.0f, 1.0f);
for (k = 0, key = pa->hair; k < pa->totkey; k++, key++) { for (k = 0, key = pa->hair; k < pa->totkey; k++, key++) {
ClothHairData *hair; ClothHairData *hair;
▲ Show 20 Lines • Show All 149 Lines • ▼ Show 20 Lines LOOP_PARTICLES
} }
else { else {
pa->flag &= ~PARS_NO_DISP; pa->flag &= ~PARS_NO_DISP;
} }
} }
if (psys->recalc & ID_RECALC_PSYS_RESET) { if (psys->recalc & ID_RECALC_PSYS_RESET) {
/* need this for changing subsurf levels */ /* need this for changing subsurf levels */
psys_calc_dmcache(sim->ob, sim->psmd->mesh_final, sim->psmd->mesh_original, psys); Mesh *mesh_final = BKE_particle_modifier_mesh_final_get(sim->psmd);
Mesh *mesh_original = BKE_particle_modifier_mesh_original_get(sim->psmd);
psys_calc_dmcache(sim->ob, mesh_final, mesh_original, psys);
if (psys->clmd) { if (psys->clmd) {
cloth_free_modifier(psys->clmd); cloth_free_modifier(psys->clmd);
} }
} }
/* dynamics with cloth simulation, psys->particles can be NULL with 0 particles [#25519] */ /* dynamics with cloth simulation, psys->particles can be NULL with 0 particles [#25519] */
if (psys->part->type == PART_HAIR && psys->flag & PSYS_HAIR_DYNAMICS && psys->particles) { if (psys->part->type == PART_HAIR && psys->flag & PSYS_HAIR_DYNAMICS && psys->particles) {
Show All 35 Lines LOOP_PARTICLES
key += pa->totkey; key += pa->totkey;
/* convert from global to geometry space */ /* convert from global to geometry space */
copy_v3_v3(key->co, pa->state.co); copy_v3_v3(key->co, pa->state.co);
mul_m4_v3(ob->imat, key->co); mul_m4_v3(ob->imat, key->co);
if (pa->totkey) { if (pa->totkey) {
sub_v3_v3(key->co, root->co); sub_v3_v3(key->co, root->co);
psys_vec_rot_to_face(sim->psmd->mesh_final, pa, key->co); Mesh *mesh_final = BKE_particle_modifier_mesh_final_get(sim->psmd);
psys_vec_rot_to_face(mesh_final, pa, key->co);
} }
key->time = pa->state.time; key->time = pa->state.time;
key->weight = 1.0f - key->time / 100.0f; key->weight = 1.0f - key->time / 100.0f;
pa->totkey++; pa->totkey++;
▲ Show 20 Lines • Show All 1,017 Lines • ▼ Show 20 Linesvoid particle_system_update(struct Depsgraph *depsgraph,
if (sim.psmd->flag & eParticleSystemFlag_psys_updated) { if (sim.psmd->flag & eParticleSystemFlag_psys_updated) {
sim.psmd->flag &= ~eParticleSystemFlag_psys_updated; sim.psmd->flag &= ~eParticleSystemFlag_psys_updated;
/* make sure it really was updated to cfra */ /* make sure it really was updated to cfra */
if (psys->cfra == cfra) { if (psys->cfra == cfra) {
return; return;
} }
} }
if (!sim.psmd->mesh_final) { Mesh *mesh_final = BKE_particle_modifier_mesh_final_get(sim.psmd);
if (!mesh_final) {
return; return;
} }
if (part->from != PART_FROM_VERT) { if (part->from != PART_FROM_VERT) {
BKE_mesh_tessface_ensure(sim.psmd->mesh_final); BKE_mesh_tessface_ensure(mesh_final);
} }
/* to verify if we need to restore object afterwards */ /* to verify if we need to restore object afterwards */
psys->flag &= ~PSYS_OB_ANIM_RESTORE; psys->flag &= ~PSYS_OB_ANIM_RESTORE;
if (psys->recalc & ID_RECALC_PSYS_RESET) { if (psys->recalc & ID_RECALC_PSYS_RESET) {
psys->totunexist = 0; psys->totunexist = 0;
} }
▲ Show 20 Lines • Show All 215 Lines • Show Last 20 Lines