diff options
4 files changed, 18 insertions, 2 deletions
diff --git a/release/scripts/startup/bl_ui/properties_data_modifier.py b/release/scripts/startup/bl_ui/properties_data_modifier.py index 197566f16f3..ae450f17e09 100644 --- a/release/scripts/startup/bl_ui/properties_data_modifier.py +++ b/release/scripts/startup/bl_ui/properties_data_modifier.py @@ -381,7 +381,9 @@ class DATA_PT_modifiers(ModifierButtonsPanel, Panel): col.label(text="Space:") col.prop(md, "space", text="") col.label(text="Vertex Group:") - col.prop_search(md, "vertex_group", ob, "vertex_groups", text="") + row = col.row(align=True) + row.prop_search(md, "vertex_group", ob, "vertex_groups", text="") + row.prop(md, "invert_vertex_group", text="", icon='ARROW_LEFTRIGHT') col = split.column(align=True) col.active = has_texture diff --git a/source/blender/makesdna/DNA_modifier_types.h b/source/blender/makesdna/DNA_modifier_types.h index 62817c3b563..a203e77ab26 100644 --- a/source/blender/makesdna/DNA_modifier_types.h +++ b/source/blender/makesdna/DNA_modifier_types.h @@ -492,8 +492,15 @@ typedef struct DisplaceModifierData { char defgrp_name[64]; float midlevel; int space; + short flag; + char _pad[6]; } DisplaceModifierData; +/* DisplaceModifierData->flag */ +enum { + MOD_DISP_INVERT_VGROUP = (1 << 0), +}; + /* DisplaceModifierData->direction */ enum { MOD_DISP_DIR_X = 0, diff --git a/source/blender/makesrna/intern/rna_modifier.c b/source/blender/makesrna/intern/rna_modifier.c index 8117085974c..394f74f3675 100644 --- a/source/blender/makesrna/intern/rna_modifier.c +++ b/source/blender/makesrna/intern/rna_modifier.c @@ -2889,6 +2889,11 @@ static void rna_def_modifier_displace(BlenderRNA *brna) RNA_def_property_ui_text(prop, "Space", ""); RNA_def_property_update(prop, 0, "rna_Modifier_dependency_update"); + prop = RNA_def_property(srna, "invert_vertex_group", PROP_BOOLEAN, PROP_NONE); + RNA_def_property_boolean_sdna(prop, NULL, "flag", MOD_DISP_INVERT_VGROUP); + RNA_def_property_ui_text(prop, "Invert", "Invert vertex group influence"); + RNA_def_property_update(prop, 0, "rna_Modifier_update"); + rna_def_modifier_generic_map_info(srna); } diff --git a/source/blender/modifiers/intern/MOD_displace.c b/source/blender/modifiers/intern/MOD_displace.c index 9cb694be88b..7f65b3bb5ae 100644 --- a/source/blender/modifiers/intern/MOD_displace.c +++ b/source/blender/modifiers/intern/MOD_displace.c @@ -174,6 +174,7 @@ static void displaceModifier_do_task(void *__restrict userdata, DisplaceUserdata *data = (DisplaceUserdata *)userdata; DisplaceModifierData *dmd = data->dmd; MDeformVert *dvert = data->dvert; + const bool invert_vgroup = (dmd->flag & MOD_DISP_INVERT_VGROUP) != 0; float weight = data->weight; int defgrp_index = data->defgrp_index; int direction = data->direction; @@ -192,7 +193,8 @@ static void displaceModifier_do_task(void *__restrict userdata, float local_vec[3]; if (dvert) { - weight = defvert_find_weight(dvert + iter, defgrp_index); + weight = invert_vgroup ? 1.0f - defvert_find_weight(dvert + iter, defgrp_index) : + defvert_find_weight(dvert + iter, defgrp_index); if (weight == 0.0f) { return; } |