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-rw-r--r--source/blender/blenkernel/intern/particle.c25
-rw-r--r--source/blender/blenkernel/intern/particle_child.c85
-rw-r--r--source/blender/blenkernel/particle_private.h17
3 files changed, 103 insertions, 24 deletions
diff --git a/source/blender/blenkernel/intern/particle.c b/source/blender/blenkernel/intern/particle.c
index 2b5c293932a..8aa7b167b85 100644
--- a/source/blender/blenkernel/intern/particle.c
+++ b/source/blender/blenkernel/intern/particle.c
@@ -3925,7 +3925,17 @@ void psys_get_particle_on_path(ParticleSimulationData *sim, int p, ParticleKey *
copy_particle_key(&tstate, state, 1);
/* apply different deformations to the child path */
- do_child_modifiers(NULL, sim, &ptex, par->co, par->vel, par->rot, par_orco, cpa, orco, hairmat, state, t);
+ ParticleChildModifierContext modifier_ctx = {NULL};
+ modifier_ctx.thread_ctx = NULL;
+ modifier_ctx.sim = sim;
+ modifier_ctx.ptex = &ptex;
+ modifier_ctx.cpa = cpa;
+ modifier_ctx.orco = orco;
+ modifier_ctx.par_co = par->co;
+ modifier_ctx.par_vel = par->vel;
+ modifier_ctx.par_rot = par->rot;
+ modifier_ctx.par_orco = par_orco;
+ do_child_modifiers(&modifier_ctx, hairmat, state, t);
/* try to estimate correct velocity */
if (vel) {
@@ -4028,7 +4038,18 @@ int psys_get_particle_state(ParticleSimulationData *sim, int p, ParticleKey *sta
CLAMP(t, 0.0f, 1.0f);
unit_m4(mat);
- do_child_modifiers(NULL, sim, NULL, key1->co, key1->vel, key1->rot, par_orco, cpa, cpa->fuv, mat, state, t);
+ ParticleChildModifierContext modifier_ctx = {NULL};
+ modifier_ctx.thread_ctx = NULL;
+ modifier_ctx.sim = sim;
+ modifier_ctx.ptex = NULL;
+ modifier_ctx.cpa = cpa;
+ modifier_ctx.orco = cpa->fuv;
+ modifier_ctx.par_co = key1->co;
+ modifier_ctx.par_vel = key1->vel;
+ modifier_ctx.par_rot = key1->rot;
+ modifier_ctx.par_orco = par_orco;
+
+ do_child_modifiers(&modifier_ctx, mat, state, t);
if (psys->lattice_deform_data)
calc_latt_deform(psys->lattice_deform_data, state->co, psys->lattice_strength);
diff --git a/source/blender/blenkernel/intern/particle_child.c b/source/blender/blenkernel/intern/particle_child.c
index d420f331707..70e635e16cf 100644
--- a/source/blender/blenkernel/intern/particle_child.c
+++ b/source/blender/blenkernel/intern/particle_child.c
@@ -235,6 +235,14 @@ static void do_kink_spiral(ParticleThreadContext *ctx, ParticleTexture *ptex, co
kink_base[part->kink_axis] = 1.0f;
mul_mat3_m4_v3(ctx->sim.ob->obmat, kink_base);
+ /* Fill in invariant part of modifier context. */
+ ParticleChildModifierContext modifier_ctx = {NULL};
+ modifier_ctx.thread_ctx = ctx;
+ modifier_ctx.sim = &ctx->sim;
+ modifier_ctx.ptex = ptex;
+ modifier_ctx.cpa = cpa;
+ modifier_ctx.orco = orco;
+
for (k = 0, key = keys; k < end_index; k++, key++) {
float par_time;
float *par_co, *par_vel, *par_rot;
@@ -274,8 +282,14 @@ static void do_kink_spiral(ParticleThreadContext *ctx, ParticleTexture *ptex, co
do_kink_spiral_deform((ParticleKey *)key, dir, kink, spiral_time, kink_freq, kink_shape, kink_amp, spiral_start);
}
- /* apply different deformations to the child path */
- do_child_modifiers(ctx, &ctx->sim, ptex, par_co, par_vel, par_rot, parent_orco, cpa, orco, hairmat, (ParticleKey *)key, par_time);
+ /* Fill in variant part of modifier context. */
+ modifier_ctx.par_co = par_co;
+ modifier_ctx.par_vel = par_vel;
+ modifier_ctx.par_rot = par_rot;
+ modifier_ctx.par_orco = parent_orco;
+
+ /* Apply different deformations to the child path/ */
+ do_child_modifiers(&modifier_ctx, hairmat, (ParticleKey *)key, par_time);
}
totlen = 0.0f;
@@ -331,19 +345,31 @@ void psys_apply_child_modifiers(ParticleThreadContext *ctx, struct ListBase *mod
keys->segments = totkeys - 1;
}
else {
- ParticlePathIterator iter;
+ /* Fill in invariant part of modifier context. */
+ ParticleChildModifierContext modifier_ctx = {NULL};
+ modifier_ctx.thread_ctx = ctx;
+ modifier_ctx.sim = &ctx->sim;
+ modifier_ctx.ptex = ptex;
+ modifier_ctx.cpa = cpa;
+ modifier_ctx.orco = orco;
totkeys = ctx->segments + 1;
max_length = ptex->length;
for (k = 0, key = keys; k < totkeys; k++, key++) {
- ParticleKey *par;
-
+ ParticlePathIterator iter;
psys_path_iter_get(&iter, keys, totkeys, parent_keys, k);
- par = (ParticleKey *)iter.parent_key;
- /* apply different deformations to the child path */
- do_child_modifiers(ctx, &ctx->sim, ptex, par->co, par->vel, iter.parent_rotation, parent_orco, cpa, orco, hairmat, (ParticleKey *)key, iter.time);
+ ParticleKey *par = (ParticleKey *)iter.parent_key;
+
+ /* Fill in variant part of modifier context. */
+ modifier_ctx.par_co = par->co;
+ modifier_ctx.par_vel = par->vel;
+ modifier_ctx.par_rot = iter.parent_rotation;
+ modifier_ctx.par_orco = parent_orco;
+
+ /* Apply different deformations to the child path. */
+ do_child_modifiers(&modifier_ctx, hairmat, (ParticleKey *)key, iter.time);
}
}
@@ -662,10 +688,13 @@ static void do_rough_curve(const float loc[3], float mat[4][4], float time, floa
madd_v3_v3fl(state->co, mat[2], fac * rough[2]);
}
-void do_child_modifiers(ParticleThreadContext *ctx, ParticleSimulationData *sim, ParticleTexture *ptex,
- const float par_co[3], const float par_vel[3], const float par_rot[4], const float par_orco[3],
- ChildParticle *cpa, const float orco[3], float mat[4][4], ParticleKey *state, float t)
+void do_child_modifiers(const ParticleChildModifierContext *modifier_ctx,
+ float mat[4][4], ParticleKey *state, float t)
{
+ ParticleThreadContext *ctx = modifier_ctx->thread_ctx;
+ ParticleSimulationData *sim = modifier_ctx->sim;
+ ParticleTexture *ptex = modifier_ctx->ptex;
+ ChildParticle *cpa = modifier_ctx->cpa;
ParticleSettings *part = sim->psys->part;
CurveMapping *clumpcurve = NULL, *roughcurve = NULL;
int i = cpa - sim->psys->child;
@@ -702,25 +731,43 @@ void do_child_modifiers(ParticleThreadContext *ctx, ParticleSimulationData *sim,
float orco_offset[3];
float clump;
- sub_v3_v3v3(orco_offset, orco, par_orco);
- clump = do_clump(state, par_co, t, orco_offset, part->clumpfac, part->clumppow, ptex ? ptex->clump : 1.f,
- part->child_flag & PART_CHILD_USE_CLUMP_NOISE, part->clump_noise_size, clumpcurve);
+ sub_v3_v3v3(orco_offset, modifier_ctx->orco, modifier_ctx->par_orco);
+ clump = do_clump(state,
+ modifier_ctx->par_co,
+ t,
+ orco_offset,
+ part->clumpfac,
+ part->clumppow,
+ ptex ? ptex->clump : 1.0f,
+ part->child_flag & PART_CHILD_USE_CLUMP_NOISE,
+ part->clump_noise_size,
+ clumpcurve);
if (kink_freq != 0.f) {
kink_amp *= (1.f - kink_amp_clump * clump);
- do_kink(state, par_co, par_vel, par_rot, t, kink_freq, part->kink_shape,
- kink_amp, part->kink_flat, part->kink, part->kink_axis,
- sim->ob->obmat, smooth_start);
+ do_kink(state,
+ modifier_ctx->par_co,
+ modifier_ctx->par_vel,
+ modifier_ctx->par_rot,
+ t,
+ kink_freq,
+ part->kink_shape,
+ kink_amp,
+ part->kink_flat,
+ part->kink,
+ part->kink_axis,
+ sim->ob->obmat,
+ smooth_start);
}
}
if (roughcurve) {
- do_rough_curve(orco, mat, t, rough1, part->rough1_size, roughcurve, state);
+ do_rough_curve(modifier_ctx->orco, mat, t, rough1, part->rough1_size, roughcurve, state);
}
else {
if (rough1 > 0.f)
- do_rough(orco, mat, t, rough1, part->rough1_size, 0.0, state);
+ do_rough(modifier_ctx->orco, mat, t, rough1, part->rough1_size, 0.0, state);
if (rough2 > 0.f) {
float vec[3];
diff --git a/source/blender/blenkernel/particle_private.h b/source/blender/blenkernel/particle_private.h
index b4878807df7..00a7637e246 100644
--- a/source/blender/blenkernel/particle_private.h
+++ b/source/blender/blenkernel/particle_private.h
@@ -31,12 +31,23 @@
#ifndef __PARTICLE_PRIVATE_H__
#define __PARTICLE_PRIVATE_H__
+typedef struct ParticleChildModifierContext {
+ ParticleThreadContext *thread_ctx;
+ ParticleSimulationData *sim;
+ ParticleTexture *ptex;
+ ChildParticle *cpa;
+ const float *par_co; /* float3 */
+ const float *par_vel; /* float3 */
+ const float *par_rot; /* float4 */
+ const float *par_orco; /* float3 */
+ const float *orco; /* float3 */
+} ParticleChildModifierContext;
+
void do_kink(ParticleKey *state, const float par_co[3], const float par_vel[3], const float par_rot[4], float time, float freq, float shape, float amplitude, float flat,
short type, short axis, float obmat[4][4], int smooth_start);
float do_clump(ParticleKey *state, const float par_co[3], float time, const float orco_offset[3], float clumpfac, float clumppow, float pa_clump,
bool use_clump_noise, float clump_noise_size, CurveMapping *clumpcurve);
-void do_child_modifiers(ParticleThreadContext *ctx, ParticleSimulationData *sim,
- ParticleTexture *ptex, const float par_co[3], const float par_vel[3], const float par_rot[4], const float par_orco[3],
- ChildParticle *cpa, const float orco[3], float mat[4][4], ParticleKey *state, float t);
+void do_child_modifiers(const ParticleChildModifierContext *modifier_ctx,
+ float mat[4][4], ParticleKey *state, float t);
#endif /* __PARTICLE_PRIVATE_H__ */
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-12 16:47:26 +0300