diff options
Diffstat (limited to 'source/blender/blenkernel/intern/particle_child.c')
| -rw-r--r-- | source/blender/blenkernel/intern/particle_child.c | 85 |
1 files changed, 66 insertions, 19 deletions
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]; |