diff options
Diffstat (limited to 'source/blender/modifiers/intern/MOD_weightvgmix.c')
| -rw-r--r-- | source/blender/modifiers/intern/MOD_weightvgmix.c | 38 |
1 files changed, 31 insertions, 7 deletions
diff --git a/source/blender/modifiers/intern/MOD_weightvgmix.c b/source/blender/modifiers/intern/MOD_weightvgmix.c index f256045f53a..a71b1d9d0e8 100644 --- a/source/blender/modifiers/intern/MOD_weightvgmix.c +++ b/source/blender/modifiers/intern/MOD_weightvgmix.c @@ -10,7 +10,7 @@ * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software Foundation, + * along with this program; if not, write to the Free Software Foundation, * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. * * The Original Code is Copyright (C) 2011 by Bastien Montagne. @@ -210,7 +210,7 @@ static bool isDisabled(const struct Scene *UNUSED(scene), return (wmd->defgrp_name_a[0] == '\0'); } -static Mesh *applyModifier(ModifierData *md, const ModifierEvalContext *ctx, Mesh *mesh) +static Mesh *modifyMesh(ModifierData *md, const ModifierEvalContext *ctx, Mesh *mesh) { BLI_assert(mesh != NULL); @@ -224,6 +224,17 @@ static Mesh *applyModifier(ModifierData *md, const ModifierEvalContext *ctx, Mes int numIdx = 0; int i; const bool invert_vgroup_mask = (wmd->flag & MOD_WVG_MIX_INVERT_VGROUP_MASK) != 0; + const bool do_normalize = (wmd->flag & MOD_WVG_MIX_WEIGHTS_NORMALIZE) != 0; + + /* + * Note that we only invert the weight values within provided vgroups, the selection based on + * which vertice is affected because it belongs or not to a group remains unchanged. + * In other words, vertices not belonging to a group won't be affected, even though their + * inverted 'virtual' weight would be 1.0f. + */ + const bool invert_vgroup_a = (wmd->flag & MOD_WVG_MIX_INVERT_VGROUP_A) != 0; + const bool invert_vgroup_b = (wmd->flag & MOD_WVG_MIX_INVERT_VGROUP_B) != 0; + /* Flags. */ #if 0 const bool do_prev = (wmd->modifier.mode & eModifierMode_DoWeightPreview) != 0; @@ -378,8 +389,18 @@ static Mesh *applyModifier(ModifierData *md, const ModifierEvalContext *ctx, Mes /* Mix weights. */ for (i = 0; i < numIdx; i++) { float weight2; - org_w[i] = dw1[i] ? dw1[i]->weight : wmd->default_weight_a; - weight2 = dw2[i] ? dw2[i]->weight : wmd->default_weight_b; + if (invert_vgroup_a) { + org_w[i] = 1.0f - (dw1[i] ? dw1[i]->weight : wmd->default_weight_a); + } + else { + org_w[i] = dw1[i] ? dw1[i]->weight : wmd->default_weight_a; + } + if (invert_vgroup_b) { + weight2 = 1.0f - (dw2[i] ? dw2[i]->weight : wmd->default_weight_b); + } + else { + weight2 = dw2[i] ? dw2[i]->weight : wmd->default_weight_b; + } new_w[i] = mix_weight(org_w[i], weight2, wmd->mix_mode); } @@ -408,7 +429,7 @@ static Mesh *applyModifier(ModifierData *md, const ModifierEvalContext *ctx, Mes * XXX Depending on the MOD_WVG_SET_xxx option chosen, we might have to add vertices to vgroup. */ weightvg_update_vg( - dvert, defgrp_index, dw1, numIdx, indices, org_w, true, -FLT_MAX, false, 0.0f); + dvert, defgrp_index, dw1, numIdx, indices, org_w, true, -FLT_MAX, false, 0.0f, do_normalize); /* If weight preview enabled... */ #if 0 /* XXX Currently done in mod stack :/ */ @@ -436,13 +457,16 @@ ModifierTypeInfo modifierType_WeightVGMix = { /* flags */ eModifierTypeFlag_AcceptsMesh | eModifierTypeFlag_SupportsMapping | eModifierTypeFlag_SupportsEditmode | eModifierTypeFlag_UsesPreview, - /* copyData */ modifier_copyData_generic, + /* copyData */ BKE_modifier_copydata_generic, /* deformVerts */ NULL, /* deformMatrices */ NULL, /* deformVertsEM */ NULL, /* deformMatricesEM */ NULL, - /* applyModifier */ applyModifier, + /* modifyMesh */ modifyMesh, + /* modifyHair */ NULL, + /* modifyPointCloud */ NULL, + /* modifyVolume */ NULL, /* initData */ initData, /* requiredDataMask */ requiredDataMask, |