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Fix T44185, Fix T44090: hair texture density working unreliable.

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"Unexisting" particles must be freed after the unexist flag has been set,
which was no longer the case after 78c491e62a.

Reviewers: brecht

Differential Revision: https://developer.blender.org/D1213
This commit is contained in:
Krzysztof Rećko
2015-05-03 16:01:07 +02:00
committed by Brecht Van Lommel
parent 6159f9a55a
commit dced56f02a
1 changed files with 19 additions and 5 deletions
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24
source/blender/blenkernel/intern/particle_system.c
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@@ -559,17 +559,24 @@ static void initialize_all_particles(ParticleSimulationData *sim)
ParticleSystem *psys = sim->psys;
PARTICLE_P;
LOOP_PARTICLES {
initialize_particle(sim, pa);
}
}
static void free_unexisting_particles(ParticleSimulationData *sim)
{
ParticleSystem *psys = sim->psys;
PARTICLE_P;
psys->totunexist = 0;
LOOP_PARTICLES {
if ((pa->flag & PARS_UNEXIST)==0)
initialize_particle(sim, pa);
if (pa->flag & PARS_UNEXIST)
if (pa->flag & PARS_UNEXIST) {
psys->totunexist++;
}
}
/* Free unexisting particles. */
if (psys->totpart && psys->totunexist == psys->totpart) {
if (psys->particles->boid)
MEM_freeN(psys->particles->boid);
@@ -3790,6 +3797,7 @@ static void system_step(ParticleSimulationData *sim, float cfra)
initialize_all_particles(sim);
/* reset only just created particles (on startframe all particles are recreated) */
reset_all_particles(sim, 0.0, cfra, oldtotpart);
free_unexisting_particles(sim);
if (psys->fluid_springs) {
MEM_freeN(psys->fluid_springs);
@@ -4136,6 +4144,7 @@ void particle_system_update(Scene *scene, Object *ob, ParticleSystem *psys)
{
PARTICLE_P;
float disp = psys_get_current_display_percentage(psys);
bool free_unexisting = false;
/* Particles without dynamics haven't been reset yet because they don't use pointcache */
if (psys->recalc & PSYS_RECALC_RESET)
@@ -4145,6 +4154,7 @@ void particle_system_update(Scene *scene, Object *ob, ParticleSystem *psys)
free_keyed_keys(psys);
distribute_particles(&sim, part->from);
initialize_all_particles(&sim);
free_unexisting = true;
/* flag for possible explode modifiers after this system */
sim.psmd->flag |= eParticleSystemFlag_Pars;
@@ -4163,6 +4173,10 @@ void particle_system_update(Scene *scene, Object *ob, ParticleSystem *psys)
pa->flag &= ~PARS_NO_DISP;
}
/* free unexisting after reseting particles */
if (free_unexisting)
free_unexisting_particles(&sim);
if (part->phystype == PART_PHYS_KEYED) {
psys_count_keyed_targets(&sim);
set_keyed_keys(&sim);