148 lines
4.3 KiB
C
148 lines
4.3 KiB
C
/*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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* The Original Code is Copyright (C) 2005 by the Blender Foundation.
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* All rights reserved.
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*/
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/** \file
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* \ingroup modifiers
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*/
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#include "BLI_utildefines.h"
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#include "BLI_math.h"
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#include "DNA_mesh_types.h"
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#include "DNA_key_types.h"
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#include "BKE_key.h"
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#include "BKE_particle.h"
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#include "MOD_modifiertypes.h"
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static void deformVerts(ModifierData *UNUSED(md),
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const ModifierEvalContext *ctx,
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Mesh *UNUSED(mesh),
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float (*vertexCos)[3],
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int numVerts)
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{
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Key *key = BKE_key_from_object(ctx->object);
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if (key && key->block.first) {
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int deformedVerts_tot;
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BKE_key_evaluate_object_ex(
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ctx->object, &deformedVerts_tot, (float *)vertexCos, sizeof(*vertexCos) * numVerts);
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}
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}
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static void deformMatrices(ModifierData *md,
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const ModifierEvalContext *ctx,
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Mesh *mesh,
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float (*vertexCos)[3],
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float (*defMats)[3][3],
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int numVerts)
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{
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Key *key = BKE_key_from_object(ctx->object);
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KeyBlock *kb = BKE_keyblock_from_object(ctx->object);
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float scale[3][3];
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(void)vertexCos; /* unused */
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if (kb && kb->totelem == numVerts && kb != key->refkey) {
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int a;
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if (ctx->object->shapeflag & OB_SHAPE_LOCK) {
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scale_m3_fl(scale, 1);
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}
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else {
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scale_m3_fl(scale, kb->curval);
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}
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for (a = 0; a < numVerts; a++) {
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copy_m3_m3(defMats[a], scale);
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}
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}
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deformVerts(md, ctx, mesh, vertexCos, numVerts);
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}
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static void deformVertsEM(ModifierData *md,
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const ModifierEvalContext *ctx,
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struct BMEditMesh *UNUSED(editData),
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Mesh *mesh,
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float (*vertexCos)[3],
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int numVerts)
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{
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Key *key = BKE_key_from_object(ctx->object);
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if (key && key->type == KEY_RELATIVE) {
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deformVerts(md, ctx, mesh, vertexCos, numVerts);
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}
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}
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static void deformMatricesEM(ModifierData *UNUSED(md),
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const ModifierEvalContext *ctx,
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struct BMEditMesh *UNUSED(editData),
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Mesh *UNUSED(mesh),
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float (*vertexCos)[3],
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float (*defMats)[3][3],
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int numVerts)
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{
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Key *key = BKE_key_from_object(ctx->object);
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KeyBlock *kb = BKE_keyblock_from_object(ctx->object);
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float scale[3][3];
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(void)vertexCos; /* unused */
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if (kb && kb->totelem == numVerts && kb != key->refkey) {
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int a;
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scale_m3_fl(scale, kb->curval);
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for (a = 0; a < numVerts; a++) {
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copy_m3_m3(defMats[a], scale);
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}
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}
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}
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ModifierTypeInfo modifierType_ShapeKey = {
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/* name */ "ShapeKey",
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/* structName */ "ShapeKeyModifierData",
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/* structSize */ sizeof(ShapeKeyModifierData),
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/* type */ eModifierTypeType_OnlyDeform,
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/* flags */ eModifierTypeFlag_AcceptsCVs | eModifierTypeFlag_AcceptsLattice |
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eModifierTypeFlag_SupportsEditmode,
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/* copyData */ NULL,
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/* deformVerts */ deformVerts,
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/* deformMatrices */ deformMatrices,
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/* deformVertsEM */ deformVertsEM,
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/* deformMatricesEM */ deformMatricesEM,
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/* applyModifier */ NULL,
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/* initData */ NULL,
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/* requiredDataMask */ NULL,
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/* freeData */ NULL,
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/* isDisabled */ NULL,
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/* updateDepsgraph */ NULL,
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/* dependsOnTime */ NULL,
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/* dependsOnNormals */ NULL,
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/* foreachObjectLink */ NULL,
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/* foreachIDLink */ NULL,
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/* foreachTexLink */ NULL,
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/* freeRuntimeData */ NULL,
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};
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