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Revert "Fix T43471, based on patch submitted by @sean_loh." 

This reverts commit b2b54b0902.

The patch breaks particle distribution even in simple cases, not worth
doing this for keeping a hackish loophole open.
This commit is contained in:
Lukas Tönne 2015-02-14 16:40:57 +01:00
parent cfa1fd1c1f
commit db297e7ea3
Notes: blender-bot 2023-02-14 09:33:14 +01:00 
Referenced by issue #43471, Can't dynamically set particle birth time any more
3 changed files with 16 additions and 25 deletions
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2
source/blender/blenkernel/BKE_particle.h
View File

@ -403,7 +403,7 @@ float psys_get_dietime_from_cache(struct PointCache *cache, int index);
void psys_free_pdd(struct ParticleSystem *psys);
float *psys_cache_vgroup(struct DerivedMesh *dm, struct ParticleSystem *psys, int vgroup);
bool psys_get_texture(struct ParticleSimulationData *sim, struct ParticleData *pa, struct ParticleTexture *ptex, int event, float cfra);
void psys_get_texture(struct ParticleSimulationData *sim, struct ParticleData *pa, struct ParticleTexture *ptex, int event, float cfra);
void psys_interpolate_face(struct MVert *mvert, struct MFace *mface, struct MTFace *tface,
float (*orcodata)[3], float w[4], float vec[3], float nor[3], float utan[3], float vtan[3],
float orco[3], float ornor[3]);

7
source/blender/blenkernel/intern/particle.c
View File

@ -3429,7 +3429,7 @@ static void get_cpa_texture(DerivedMesh *dm, ParticleSystem *psys, ParticleSetti
CLAMP_PARTICLE_TEXTURE_POS(PAMAP_ROUGH, ptex->rough1);
CLAMP_PARTICLE_TEXTURE_POS(PAMAP_DENS, ptex->exist);
}
bool psys_get_texture(ParticleSimulationData *sim, ParticleData *pa, ParticleTexture *ptex, int event, float cfra)
void psys_get_texture(ParticleSimulationData *sim, ParticleData *pa, ParticleTexture *ptex, int event, float cfra)
{
Object *ob = sim->ob;
Mesh *me = (Mesh *)ob->data;
@ -3439,7 +3439,6 @@ bool psys_get_texture(ParticleSimulationData *sim, ParticleData *pa, ParticleTex
int m;
float value, rgba[4], co[3], texvec[3];
int setvars = 0;
bool has_texture = false;
/* initialize ptex */
ptex->ivel = ptex->life = ptex->exist = ptex->size = ptex->damp =
@ -3515,8 +3514,6 @@ bool psys_get_texture(ParticleSimulationData *sim, ParticleData *pa, ParticleTex
SET_PARTICLE_TEXTURE(PAMAP_GRAVITY, ptex->gravity, mtex->gravityfac);
SET_PARTICLE_TEXTURE(PAMAP_DAMP, ptex->damp, mtex->dampfac);
SET_PARTICLE_TEXTURE(PAMAP_LENGTH, ptex->length, mtex->lengthfac);
has_texture = true;
}
}
@ -3529,8 +3526,6 @@ bool psys_get_texture(ParticleSimulationData *sim, ParticleData *pa, ParticleTex
CLAMP_PARTICLE_TEXTURE_POSNEG(PAMAP_GRAVITY, ptex->gravity);
CLAMP_PARTICLE_TEXTURE_POS(PAMAP_DAMP, ptex->damp);
CLAMP_PARTICLE_TEXTURE_POS(PAMAP_LENGTH, ptex->length);
return has_texture;
}
/************************************************/
/* Particle State */

32
source/blender/blenkernel/intern/particle_system.c
View File

@ -521,25 +521,22 @@ static void initialize_particle_texture(ParticleSimulationData *sim, ParticleDat
ParticleSystem *psys = sim->psys;
ParticleSettings *part = psys->part;
ParticleTexture ptex;
bool has_texture = false;
has_texture = psys_get_texture(sim, pa, &ptex, PAMAP_INIT, 0.f);
psys_get_texture(sim, pa, &ptex, PAMAP_INIT, 0.f);
if (has_texture) {
switch (part->type) {
case PART_EMITTER:
if (ptex.exist < psys_frand(psys, p+125))
pa->flag |= PARS_UNEXIST;
pa->time = part->sta + (part->end - part->sta)*ptex.time;
break;
case PART_HAIR:
if (ptex.exist < psys_frand(psys, p+125))
pa->flag |= PARS_UNEXIST;
pa->time = 0.f;
break;
case PART_FLUID:
break;
}
switch (part->type) {
case PART_EMITTER:
if (ptex.exist < psys_frand(psys, p+125))
pa->flag |= PARS_UNEXIST;
pa->time = part->sta + (part->end - part->sta)*ptex.time;
break;
case PART_HAIR:
if (ptex.exist < psys_frand(psys, p+125))
pa->flag |= PARS_UNEXIST;
pa->time = 0.f;
break;
case PART_FLUID:
break;
}
}
@ -972,7 +969,6 @@ void reset_particle(ParticleSimulationData *sim, ParticleData *pa, float dtime,
ParticleSettings *part;
ParticleTexture ptex;
int p = pa - psys->particles;
part=psys->part;
/* get precise emitter matrix if particle is born */