diff options
author | Jacques Lucke <jacques@blender.org> | 2020-11-06 17:58:27 +0300 |
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committer | Jacques Lucke <jacques@blender.org> | 2020-11-06 17:58:39 +0300 |
commit | f6524aaa8093bfc88c658107b8077cd09ac3e989 (patch) | |
tree | b1a8e33f50d4897dcfde1465274787d20c785a41 /source/blender/blenkernel/intern/particle.c | |
parent | ba4da217ce631f31adeba5136b5430ffc5fdf1f2 (diff) |
Refactor: move ParticleSystem .blend I/O to blenkernel
Ref T76372.
Diffstat (limited to 'source/blender/blenkernel/intern/particle.c')
-rw-r--r-- | source/blender/blenkernel/intern/particle.c | 170 |
1 files changed, 170 insertions, 0 deletions
diff --git a/source/blender/blenkernel/intern/particle.c b/source/blender/blenkernel/intern/particle.c index d323849d72d..222325727c1 100644 --- a/source/blender/blenkernel/intern/particle.c +++ b/source/blender/blenkernel/intern/particle.c @@ -32,6 +32,7 @@ #include "DNA_defaults.h" +#include "DNA_cloth_types.h" #include "DNA_collection_types.h" #include "DNA_curve_types.h" #include "DNA_dynamicpaint_types.h" @@ -5239,3 +5240,172 @@ void BKE_particle_batch_cache_free(ParticleSystem *psys) BKE_particle_batch_cache_free_cb(psys); } } + +void BKE_particle_system_blend_write(BlendWriter *writer, ListBase *particles) +{ + LISTBASE_FOREACH (ParticleSystem *, psys, particles) { + BLO_write_struct(writer, ParticleSystem, psys); + + if (psys->particles) { + BLO_write_struct_array(writer, ParticleData, psys->totpart, psys->particles); + + if (psys->particles->hair) { + ParticleData *pa = psys->particles; + + for (int a = 0; a < psys->totpart; a++, pa++) { + BLO_write_struct_array(writer, HairKey, pa->totkey, pa->hair); + } + } + + if (psys->particles->boid && (psys->part->phystype == PART_PHYS_BOIDS)) { + BLO_write_struct_array(writer, BoidParticle, psys->totpart, psys->particles->boid); + } + + if (psys->part->fluid && (psys->part->phystype == PART_PHYS_FLUID) && + (psys->part->fluid->flag & SPH_VISCOELASTIC_SPRINGS)) { + BLO_write_struct_array( + writer, ParticleSpring, psys->tot_fluidsprings, psys->fluid_springs); + } + } + LISTBASE_FOREACH (ParticleTarget *, pt, &psys->targets) { + BLO_write_struct(writer, ParticleTarget, pt); + } + + if (psys->child) { + BLO_write_struct_array(writer, ChildParticle, psys->totchild, psys->child); + } + + if (psys->clmd) { + BLO_write_struct(writer, ClothModifierData, psys->clmd); + BLO_write_struct(writer, ClothSimSettings, psys->clmd->sim_parms); + BLO_write_struct(writer, ClothCollSettings, psys->clmd->coll_parms); + } + + BKE_ptcache_blend_write(writer, &psys->ptcaches); + } +} + +void BKE_particle_system_blend_read_data(BlendDataReader *reader, ListBase *particles) +{ + ParticleData *pa; + int a; + + LISTBASE_FOREACH (ParticleSystem *, psys, particles) { + BLO_read_data_address(reader, &psys->particles); + + if (psys->particles && psys->particles->hair) { + for (a = 0, pa = psys->particles; a < psys->totpart; a++, pa++) { + BLO_read_data_address(reader, &pa->hair); + } + } + + if (psys->particles && psys->particles->keys) { + for (a = 0, pa = psys->particles; a < psys->totpart; a++, pa++) { + pa->keys = NULL; + pa->totkey = 0; + } + + psys->flag &= ~PSYS_KEYED; + } + + if (psys->particles && psys->particles->boid) { + pa = psys->particles; + BLO_read_data_address(reader, &pa->boid); + + /* This is purely runtime data, but still can be an issue if left dangling. */ + pa->boid->ground = NULL; + + for (a = 1, pa++; a < psys->totpart; a++, pa++) { + pa->boid = (pa - 1)->boid + 1; + pa->boid->ground = NULL; + } + } + else if (psys->particles) { + for (a = 0, pa = psys->particles; a < psys->totpart; a++, pa++) { + pa->boid = NULL; + } + } + + BLO_read_data_address(reader, &psys->fluid_springs); + + BLO_read_data_address(reader, &psys->child); + psys->effectors = NULL; + + BLO_read_list(reader, &psys->targets); + + psys->edit = NULL; + psys->free_edit = NULL; + psys->pathcache = NULL; + psys->childcache = NULL; + BLI_listbase_clear(&psys->pathcachebufs); + BLI_listbase_clear(&psys->childcachebufs); + psys->pdd = NULL; + + if (psys->clmd) { + BLO_read_data_address(reader, &psys->clmd); + psys->clmd->clothObject = NULL; + psys->clmd->hairdata = NULL; + + BLO_read_data_address(reader, &psys->clmd->sim_parms); + BLO_read_data_address(reader, &psys->clmd->coll_parms); + + if (psys->clmd->sim_parms) { + psys->clmd->sim_parms->effector_weights = NULL; + if (psys->clmd->sim_parms->presets > 10) { + psys->clmd->sim_parms->presets = 0; + } + } + + psys->hair_in_mesh = psys->hair_out_mesh = NULL; + psys->clmd->solver_result = NULL; + } + + BKE_ptcache_blend_read_data(reader, &psys->ptcaches, &psys->pointcache, 0); + if (psys->clmd) { + psys->clmd->point_cache = psys->pointcache; + } + + psys->tree = NULL; + psys->bvhtree = NULL; + + psys->orig_psys = NULL; + psys->batch_cache = NULL; + } +} + +void BKE_particle_system_blend_read_lib(BlendLibReader *reader, + Object *ob, + ID *id, + ListBase *particles) +{ + LISTBASE_FOREACH_MUTABLE (ParticleSystem *, psys, particles) { + + BLO_read_id_address(reader, id->lib, &psys->part); + if (psys->part) { + LISTBASE_FOREACH (ParticleTarget *, pt, &psys->targets) { + BLO_read_id_address(reader, id->lib, &pt->ob); + } + + BLO_read_id_address(reader, id->lib, &psys->parent); + BLO_read_id_address(reader, id->lib, &psys->target_ob); + + if (psys->clmd) { + /* XXX - from reading existing code this seems correct but intended usage of + * pointcache /w cloth should be added in 'ParticleSystem' - campbell */ + psys->clmd->point_cache = psys->pointcache; + psys->clmd->ptcaches.first = psys->clmd->ptcaches.last = NULL; + BLO_read_id_address(reader, id->lib, &psys->clmd->coll_parms->group); + psys->clmd->modifier.error = NULL; + } + } + else { + /* particle modifier must be removed before particle system */ + ParticleSystemModifierData *psmd = psys_get_modifier(ob, psys); + BLI_remlink(&ob->modifiers, psmd); + BKE_modifier_free((ModifierData *)psmd); + + BLI_remlink(particles, psys); + MEM_freeN(psys); + } + } +} |