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GPencil: Uses same random seed for render in Noise modifier

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As the random seed was calculated in the copy data, the render could be a little different. Now, the data is saved in the original data.
This commit is contained in:
Antonioya 2019-03-30 17:06:49 +01:00
parent 4b6a4b5bc2
commit 03bd024c07
1 changed files with 8 additions and 3 deletions
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11
source/blender/gpencil_modifiers/intern/MOD_gpencilnoise.c
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@ -101,11 +101,16 @@ static void deformStroke(
const int def_nr = defgroup_name_index(ob, mmd->vgname);
const float unit_v3[3] = { 1.0f, 1.0f, 1.0f };
/* Random generator, only init once. */
if (mmd->rng == NULL) {
Object *object_eval = DEG_get_evaluated_object(depsgraph, ob);
GpencilModifierData *md_eval = BKE_gpencil_modifiers_findByName(object_eval, md->name);
NoiseGpencilModifierData *mmd_eval = (NoiseGpencilModifierData *)md_eval;
/* Random generator, only init once. (it uses eval to get same value in render) */
if (mmd_eval->rng == NULL) {
uint rng_seed = (uint)(PIL_check_seconds_timer_i() & UINT_MAX);
rng_seed ^= POINTER_AS_UINT(mmd);
mmd->rng = BLI_rng_new(rng_seed);
mmd_eval->rng = BLI_rng_new(rng_seed);
mmd->rng = mmd_eval->rng;
}
if (!is_stroke_affected_by_modifier(