diff options
author | Campbell Barton <ideasman42@gmail.com> | 2016-03-07 03:28:21 +0300 |
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committer | Campbell Barton <ideasman42@gmail.com> | 2016-03-07 03:28:21 +0300 |
commit | 42e86602721170c8fbb9d68a1a201a1d78052d72 (patch) | |
tree | dabffbe52a3fca5735d4435057fa8f53ff1142f5 /source/blender | |
parent | d086f6aa5c26d445aef1ebd04e6c8501f6189d91 (diff) |
Simple Deform modifier: invert vgroup option
D1839 from @Orgold
Diffstat (limited to 'source/blender')
-rw-r--r-- | source/blender/makesdna/DNA_modifier_types.h | 9 | ||||
-rw-r--r-- | source/blender/makesrna/intern/rna_modifier.c | 5 | ||||
-rw-r--r-- | source/blender/modifiers/intern/MOD_simpledeform.c | 5 |
3 files changed, 18 insertions, 1 deletions
diff --git a/source/blender/makesdna/DNA_modifier_types.h b/source/blender/makesdna/DNA_modifier_types.h index c2159510937..457db70cd28 100644 --- a/source/blender/makesdna/DNA_modifier_types.h +++ b/source/blender/makesdna/DNA_modifier_types.h @@ -848,10 +848,17 @@ typedef struct SimpleDeformModifierData { char mode; /* deform function */ char axis; /* lock axis (for taper and strech) */ - char pad[2]; + char flag; + char pad; } SimpleDeformModifierData; +/* SimpleDeform->flag */ +enum { + MOD_SIMPLEDEFORM_FLAG_INVERT_VGROUP = (1 << 0), +}; + + enum { MOD_SIMPLEDEFORM_MODE_TWIST = 1, MOD_SIMPLEDEFORM_MODE_BEND = 2, diff --git a/source/blender/makesrna/intern/rna_modifier.c b/source/blender/makesrna/intern/rna_modifier.c index 571d7fb5447..0c4b3ba485d 100644 --- a/source/blender/makesrna/intern/rna_modifier.c +++ b/source/blender/makesrna/intern/rna_modifier.c @@ -3174,6 +3174,11 @@ static void rna_def_modifier_simpledeform(BlenderRNA *brna) RNA_def_property_boolean_sdna(prop, NULL, "axis", MOD_SIMPLEDEFORM_LOCK_AXIS_Y); RNA_def_property_ui_text(prop, "Lock Y Axis", "Do not allow deformation along the Y axis"); RNA_def_property_update(prop, 0, "rna_Modifier_update"); + + prop = RNA_def_property(srna, "invert_vertex_group", PROP_BOOLEAN, PROP_NONE); + RNA_def_property_boolean_sdna(prop, NULL, "flag", MOD_SIMPLEDEFORM_FLAG_INVERT_VGROUP); + RNA_def_property_ui_text(prop, "Invert", "Invert vertex group influence"); + RNA_def_property_update(prop, 0, "rna_Modifier_update"); } static void rna_def_modifier_surface(BlenderRNA *brna) diff --git a/source/blender/modifiers/intern/MOD_simpledeform.c b/source/blender/modifiers/intern/MOD_simpledeform.c index f4fbfa74076..588b56d6aba 100644 --- a/source/blender/modifiers/intern/MOD_simpledeform.c +++ b/source/blender/modifiers/intern/MOD_simpledeform.c @@ -214,10 +214,15 @@ static void SimpleDeformModifier_do(SimpleDeformModifierData *smd, struct Object } modifier_get_vgroup(ob, dm, smd->vgroup_name, &dvert, &vgroup); + const bool invert_vgroup = (smd->flag & MOD_SIMPLEDEFORM_FLAG_INVERT_VGROUP) != 0; for (i = 0; i < numVerts; i++) { float weight = defvert_array_find_weight_safe(dvert, i, vgroup); + if (invert_vgroup) { + weight = 1.0f - weight; + } + if (weight != 0.0f) { float co[3], dcut[3] = {0.0f, 0.0f, 0.0f}; |