forked from bartvdbraak/blender
Curve-based control for "roughness" (noise displacement) of child hair.
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c86d55d5e7
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d1246969ed
@ -1196,20 +1196,28 @@ class PARTICLE_PT_children(ParticleButtonsPanel, Panel):
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sub.prop(part, "child_parting_max", text="Max")
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col = split.column()
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col.label(text="Roughness:")
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sub = col.column(align=True)
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sub.prop(part, "roughness_1", text="Uniform")
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sub.prop(part, "roughness_1_size", text="Size")
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col.prop(part, "use_roughness_curve")
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if part.use_roughness_curve:
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sub = col.column()
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sub.template_curve_mapping(part, "roughness_curve")
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sub.prop(part, "roughness_1", text="Roughness")
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sub.prop(part, "roughness_1_size", text="Size")
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else:
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col.label(text="Roughness:")
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sub = col.column(align=True)
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sub.prop(part, "roughness_endpoint", "Endpoint")
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sub.prop(part, "roughness_end_shape")
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sub = col.column(align=True)
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sub.prop(part, "roughness_1", text="Uniform")
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sub.prop(part, "roughness_1_size", text="Size")
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sub = col.column(align=True)
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sub.prop(part, "roughness_2", text="Random")
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sub.prop(part, "roughness_2_size", text="Size")
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sub.prop(part, "roughness_2_threshold", slider=True)
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sub = col.column(align=True)
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sub.prop(part, "roughness_endpoint", "Endpoint")
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sub.prop(part, "roughness_end_shape")
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sub = col.column(align=True)
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sub.prop(part, "roughness_2", text="Random")
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sub.prop(part, "roughness_2_size", text="Size")
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sub.prop(part, "roughness_2_threshold", slider=True)
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layout.row().label(text="Kink:")
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layout.row().prop(part, "kink", expand=True)
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@ -340,6 +340,7 @@ int psys_get_particle_state(struct ParticleSimulationData *sim, int p, struct Pa
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/* child paths */
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void BKE_particlesettings_clump_curve_init(struct ParticleSettings *part);
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void BKE_particlesettings_rough_curve_init(struct ParticleSettings *part);
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void psys_apply_child_modifiers(struct ParticleThreadContext *ctx, struct ListBase *modifiers,
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struct ChildParticle *cpa, struct ParticleTexture *ptex, const float orco[3], const float ornor[3], float hairmat[4][4],
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struct ParticleCacheKey *keys, struct ParticleCacheKey *parent_keys);
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@ -377,6 +377,8 @@ void BKE_particlesettings_free(ParticleSettings *part)
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if (part->clumpcurve)
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curvemapping_free(part->clumpcurve);
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if (part->roughcurve)
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curvemapping_free(part->roughcurve);
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free_partdeflect(part->pd);
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free_partdeflect(part->pd2);
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@ -1785,6 +1787,8 @@ int do_guides(ParticleSettings *part, ListBase *effectors, ParticleKey *state, i
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if (part->clumpcurve)
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curvemapping_changed_all(part->clumpcurve);
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if (part->roughcurve)
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curvemapping_changed_all(part->roughcurve);
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par.co[0] = par.co[1] = par.co[2] = 0.0f;
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copy_v3_v3(key.co, vec_to_point);
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@ -1991,6 +1995,8 @@ static bool psys_thread_context_init_path(ParticleThreadContext *ctx, ParticleSi
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/* prepare curvemapping tables */
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if (part->clumpcurve)
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curvemapping_changed_all(part->clumpcurve);
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if (part->roughcurve)
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curvemapping_changed_all(part->roughcurve);
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return true;
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}
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@ -3166,6 +3172,18 @@ void BKE_particlesettings_clump_curve_init(ParticleSettings *part)
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part->clumpcurve = cumap;
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}
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void BKE_particlesettings_rough_curve_init(ParticleSettings *part)
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{
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CurveMapping *cumap = curvemapping_add(1, 0.0f, 0.0f, 1.0f, 1.0f);
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cumap->cm[0].curve[0].x = 0.0f;
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cumap->cm[0].curve[0].y = 1.0f;
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cumap->cm[0].curve[1].x = 1.0f;
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cumap->cm[0].curve[1].y = 1.0f;
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part->roughcurve = cumap;
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}
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ParticleSettings *BKE_particlesettings_copy(ParticleSettings *part)
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{
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ParticleSettings *partn;
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@ -3179,6 +3197,8 @@ ParticleSettings *BKE_particlesettings_copy(ParticleSettings *part)
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if (part->clumpcurve)
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partn->clumpcurve = curvemapping_copy(part->clumpcurve);
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if (part->roughcurve)
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partn->roughcurve = curvemapping_copy(part->roughcurve);
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partn->boids = boid_copy_settings(part->boids);
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@ -413,7 +413,7 @@ static void do_rough(const float loc[3], float mat[4][4], float t, float fac, fl
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madd_v3_v3fl(state->co, mat[2], fac * rough[2]);
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}
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static void do_rough_end(float *loc, float mat[4][4], float t, float fac, float shape, ParticleKey *state)
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static void do_rough_end(const float loc[3], float mat[4][4], float t, float fac, float shape, ParticleKey *state)
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{
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float rough[2];
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float roughfac;
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@ -428,6 +428,27 @@ static void do_rough_end(float *loc, float mat[4][4], float t, float fac, float
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madd_v3_v3fl(state->co, mat[1], rough[1]);
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}
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static void do_rough_curve(const float loc[3], float mat[4][4], float time, float fac, float size, CurveMapping *roughcurve, ParticleKey *state)
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{
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float rough[3];
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float rco[3];
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if (!roughcurve)
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return;
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fac *= CLAMPIS(curvemapping_evaluateF(roughcurve, 0, time), 0.0f, 1.0f);
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copy_v3_v3(rco, loc);
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mul_v3_fl(rco, time);
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rough[0] = -1.0f + 2.0f * BLI_gTurbulence(size, rco[0], rco[1], rco[2], 2, 0, 2);
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rough[1] = -1.0f + 2.0f * BLI_gTurbulence(size, rco[1], rco[2], rco[0], 2, 0, 2);
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rough[2] = -1.0f + 2.0f * BLI_gTurbulence(size, rco[2], rco[0], rco[1], 2, 0, 2);
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madd_v3_v3fl(state->co, mat[0], fac * rough[0]);
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madd_v3_v3fl(state->co, mat[1], fac * rough[1]);
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madd_v3_v3fl(state->co, mat[2], fac * rough[2]);
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}
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void do_child_modifiers(ParticleSimulationData *sim, ParticleTexture *ptex, ParticleKey *par, float *par_rot, ChildParticle *cpa, const float orco[3], float mat[4][4], ParticleKey *state, float t)
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{
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ParticleSettings *part = sim->psys->part;
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@ -462,18 +483,23 @@ void do_child_modifiers(ParticleSimulationData *sim, ParticleTexture *ptex, Part
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}
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}
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if (rough1 > 0.f)
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do_rough(orco, mat, t, rough1, part->rough1_size, 0.0, state);
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if (rough2 > 0.f) {
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float vec[3];
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psys_frand_vec(sim->psys, i + 27, vec);
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do_rough(vec, mat, t, rough2, part->rough2_size, part->rough2_thres, state);
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if (part->roughcurve) {
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do_rough_curve(orco, mat, t, rough1, part->rough1_size, part->roughcurve, state);
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}
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if (rough_end > 0.f) {
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float vec[3];
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psys_frand_vec(sim->psys, i + 27, vec);
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do_rough_end(vec, mat, t, rough_end, part->rough_end_shape, state);
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else {
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if (rough1 > 0.f)
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do_rough(orco, mat, t, rough1, part->rough1_size, 0.0, state);
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if (rough2 > 0.f) {
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float vec[3];
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psys_frand_vec(sim->psys, i + 27, vec);
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do_rough(vec, mat, t, rough2, part->rough2_size, part->rough2_thres, state);
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}
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if (rough_end > 0.f) {
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float vec[3];
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psys_frand_vec(sim->psys, i + 27, vec);
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do_rough_end(vec, mat, t, rough_end, part->rough_end_shape, state);
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}
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}
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}
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@ -3819,6 +3819,9 @@ static void direct_link_particlesettings(FileData *fd, ParticleSettings *part)
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part->clumpcurve = newdataadr(fd, part->clumpcurve);
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if (part->clumpcurve)
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direct_link_curvemapping(fd, part->clumpcurve);
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part->roughcurve = newdataadr(fd, part->roughcurve);
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if (part->roughcurve)
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direct_link_curvemapping(fd, part->roughcurve);
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part->effector_weights = newdataadr(fd, part->effector_weights);
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if (!part->effector_weights)
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@ -1110,6 +1110,8 @@ static void write_particlesettings(WriteData *wd, ListBase *idbase)
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if (part->clumpcurve)
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write_curvemapping(wd, part->clumpcurve);
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if (part->roughcurve)
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write_curvemapping(wd, part->roughcurve);
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dw = part->dupliweights.first;
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for (; dw; dw=dw->next) {
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@ -234,6 +234,7 @@ typedef struct ParticleSettings {
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/* keyed particles */
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int keyed_loops;
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struct CurveMapping *clumpcurve;
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struct CurveMapping *roughcurve;
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/* hair dynamics */
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float bending_random;
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@ -898,6 +898,29 @@ void rna_ParticleSettings_use_clump_curve_set(PointerRNA *ptr, int value)
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}
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}
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int rna_ParticleSettings_use_roughness_curve_get(PointerRNA *ptr)
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{
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ParticleSettings *part = ptr->data;
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return part->roughcurve != NULL;
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}
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void rna_ParticleSettings_use_roughness_curve_set(PointerRNA *ptr, int value)
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{
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ParticleSettings *part = ptr->data;
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if (!value) {
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if (part->roughcurve) {
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curvemapping_free(part->roughcurve);
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part->roughcurve = NULL;
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}
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}
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else {
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if (!part->roughcurve) {
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BKE_particlesettings_rough_curve_init(part);
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}
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}
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}
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static void rna_ParticleSystem_name_set(PointerRNA *ptr, const char *value)
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{
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Object *ob = ptr->id.data;
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@ -2912,6 +2935,18 @@ static void rna_def_particle_settings(BlenderRNA *brna)
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RNA_def_property_ui_text(prop, "Shape", "Shape of end point rough");
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RNA_def_property_update(prop, 0, "rna_Particle_redo_child");
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prop = RNA_def_property(srna, "use_roughness_curve", PROP_BOOLEAN, PROP_NONE);
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RNA_def_property_boolean_funcs(prop, "rna_ParticleSettings_use_roughness_curve_get", "rna_ParticleSettings_use_roughness_curve_set");
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RNA_def_property_ui_text(prop, "Use Roughness Curve", "Use a curve to define roughness");
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RNA_def_property_update(prop, 0, "rna_Particle_redo_child");
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prop = RNA_def_property(srna, "roughness_curve", PROP_POINTER, PROP_NONE);
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RNA_def_property_pointer_sdna(prop, NULL, "roughcurve");
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RNA_def_property_struct_type(prop, "CurveMapping");
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RNA_def_property_clear_flag(prop, PROP_EDITABLE);
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RNA_def_property_ui_text(prop, "Roughness Curve", "Curve defining roughness");
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RNA_def_property_update(prop, 0, "rna_Particle_redo_child");
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prop = RNA_def_property(srna, "child_length", PROP_FLOAT, PROP_NONE);
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RNA_def_property_float_sdna(prop, NULL, "clength");
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RNA_def_property_range(prop, 0.0f, 1.0f);
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