diff options
Diffstat (limited to 'source/blender/editors/gpencil/gpencil_utils.c')
| -rw-r--r-- | source/blender/editors/gpencil/gpencil_utils.c | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/source/blender/editors/gpencil/gpencil_utils.c b/source/blender/editors/gpencil/gpencil_utils.c index 564ba639983..8073b13ba10 100644 --- a/source/blender/editors/gpencil/gpencil_utils.c +++ b/source/blender/editors/gpencil/gpencil_utils.c @@ -997,6 +997,46 @@ void ED_gpencil_parent_location(bGPDlayer *gpl, float diff_mat[4][4]) } } +/* reset parent matrix for all layers */ +void ED_gpencil_reset_layers_parent(bGPdata *gpd) +{ + bGPDspoint *pt; + int i; + float diff_mat[4][4]; + float cur_mat[4][4]; + + for (bGPDlayer *gpl = gpd->layers.first; gpl; gpl = gpl->next) { + if (gpl->parent != NULL) { + /* calculate new matrix */ + if ((gpl->partype == PAROBJECT) || (gpl->partype == PARSKEL)) { + invert_m4_m4(cur_mat, gpl->parent->obmat); + } + else if (gpl->partype == PARBONE) { + bPoseChannel *pchan = BKE_pose_channel_find_name(gpl->parent->pose, gpl->parsubstr); + if (pchan) { + float tmp_mat[4][4]; + mul_m4_m4m4(tmp_mat, gpl->parent->obmat, pchan->pose_mat); + invert_m4_m4(cur_mat, tmp_mat); + } + } + + /* only redo if any change */ + if (!equals_m4m4(gpl->inverse, cur_mat)) { + /* first apply current transformation to all strokes */ + ED_gpencil_parent_location(gpl, diff_mat); + for (bGPDframe *gpf = gpl->frames.first; gpf; gpf = gpf->next) { + for (bGPDstroke *gps = gpf->strokes.first; gps; gps = gps->next) { + for (i = 0, pt = gps->points; i < gps->totpoints; i++, pt++) { + mul_m4_v3(diff_mat, &pt->x); + } + } + } + /* set new parent matrix */ + copy_m4_m4(gpl->inverse, cur_mat); + } + } + } +} /* ******************************************************** */ bool ED_gpencil_stroke_minmax( const bGPDstroke *gps, const bool use_select, |