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Fix T74646: Pick a random face set to be rendered white when randomizing the colors 

The previous solution was also working fine as the white face set has no
meaning, but now it is a little bit more random. Also, bigger face sets
have more chance of getting the white color.

Reviewed By: jbakker

Maniphest Tasks: T74646

Differential Revision: https://developer.blender.org/D7111
This commit is contained in:
Pablo Dobarro 2020-03-11 14:12:35 +01:00
parent 88fd2b1dd5
commit 9dcd6ba3eb
Notes: blender-bot 2023-02-14 00:44:02 +01:00 
Referenced by issue #74646, Randomize Colors on Face Sets will always set one to be white
1 changed files with 3 additions and 1 deletions
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4
source/blender/editors/sculpt_paint/sculpt.c
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@ -11111,7 +11111,9 @@ static int sculpt_face_sets_randomize_colors_invoke(bContext *C,
int new_seed = BLI_hash_int(PIL_check_seconds_timer_i() & UINT_MAX);
mesh->face_sets_color_seed = new_seed;
if (ss->face_sets) {
mesh->face_sets_color_default = ss->face_sets[0];
const int random_index = clamp_i(
ss->totpoly * BLI_hash_int_01(new_seed), 0, max_ii(0, ss->totpoly - 1));
mesh->face_sets_color_default = ss->face_sets[random_index];
}
BKE_pbvh_face_sets_color_set(pbvh, new_seed, mesh->face_sets_color_default);