diff options
Diffstat (limited to 'source/blender/blenkernel/intern/particle.c')
| -rw-r--r-- | source/blender/blenkernel/intern/particle.c | 38 |
1 files changed, 29 insertions, 9 deletions
diff --git a/source/blender/blenkernel/intern/particle.c b/source/blender/blenkernel/intern/particle.c index 942f3e0ca2b..a003daf1042 100644 --- a/source/blender/blenkernel/intern/particle.c +++ b/source/blender/blenkernel/intern/particle.c @@ -283,8 +283,8 @@ int count_particles_mod(ParticleSystem *psys, int totgr, int cur) } return tot; } -/* we allocate path cache memory in chunks instead of a big contiguous - * chunk, windows' memory allocater fails to find big blocks of memory often */ +/* We allocate path cache memory in chunks instead of a big contiguous + * chunk, windows' memory allocator fails to find big blocks of memory often. */ #define PATH_CACHE_BUF_SIZE 1024 @@ -1297,7 +1297,7 @@ static void do_particle_interpolation(ParticleSystem *psys, dfra = keys[2].time - keys[1].time; keytime = (real_t - keys[1].time) / dfra; - /* convert velocity to timestep size */ + /* Convert velocity to time-step size. */ if (pind->keyed || pind->cache || point_vel) { invdt = dfra * 0.04f * (psys ? psys->part->timetweak : 1.f); mul_v3_fl(keys[1].vel, invdt); @@ -1305,8 +1305,8 @@ static void do_particle_interpolation(ParticleSystem *psys, interp_qt_qtqt(result->rot, keys[1].rot, keys[2].rot, keytime); } - /* Now we should have in chronologiacl order k1<=k2<=t<=k3<=k4 with keytime between - * [0, 1]->[k2, k3] (k1 & k4 used for cardinal & bspline interpolation). */ + /* Now we should have in chronological order k1<=k2<=t<=k3<=k4 with key-time between + * [0, 1]->[k2, k3] (k1 & k4 used for cardinal & b-spline interpolation). */ psys_interpolate_particle((pind->keyed || pind->cache || point_vel) ? -1 /* signal for cubic interpolation */ : @@ -3611,7 +3611,8 @@ void psys_mat_hair_to_global( /************************************************/ /* ParticleSettings handling */ /************************************************/ -ModifierData *object_add_particle_system(Main *bmain, Scene *scene, Object *ob, const char *name) +static ModifierData *object_add_or_copy_particle_system( + Main *bmain, Scene *scene, Object *ob, const char *name, const ParticleSystem *psys_orig) { ParticleSystem *psys; ModifierData *md; @@ -3622,7 +3623,7 @@ ModifierData *object_add_particle_system(Main *bmain, Scene *scene, Object *ob, } if (name == NULL) { - name = DATA_("ParticleSettings"); + name = (psys_orig != NULL) ? psys_orig->name : DATA_("ParticleSettings"); } psys = ob->particlesystem.first; @@ -3635,8 +3636,13 @@ ModifierData *object_add_particle_system(Main *bmain, Scene *scene, Object *ob, BLI_addtail(&ob->particlesystem, psys); psys_unique_name(ob, psys, name); - psys->part = BKE_particlesettings_add(bmain, psys->name); - + if (psys_orig != NULL) { + psys->part = psys_orig->part; + id_us_plus(&psys->part->id); + } + else { + psys->part = BKE_particlesettings_add(bmain, psys->name); + } md = BKE_modifier_new(eModifierType_ParticleSystem); BLI_strncpy(md->name, psys->name, sizeof(md->name)); BKE_modifier_unique_name(&ob->modifiers, md); @@ -3656,6 +3662,20 @@ ModifierData *object_add_particle_system(Main *bmain, Scene *scene, Object *ob, return md; } + +ModifierData *object_add_particle_system(Main *bmain, Scene *scene, Object *ob, const char *name) +{ + return object_add_or_copy_particle_system(bmain, scene, ob, name, NULL); +} + +ModifierData *object_copy_particle_system(Main *bmain, + Scene *scene, + Object *ob, + const ParticleSystem *psys_orig) +{ + return object_add_or_copy_particle_system(bmain, scene, ob, NULL, psys_orig); +} + void object_remove_particle_system(Main *bmain, Scene *UNUSED(scene), Object *ob) { ParticleSystem *psys = psys_get_current(ob); |