Sybren A. Stüvel
334b55fd2e
The contents of the ModifierEvalContext struct are constant while iterating over the modifier stack. The struct thus should be only created once, outside any loop over the modifiers.
156 lines
4.7 KiB
C
156 lines
4.7 KiB
C
/*
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* ***** BEGIN GPL LICENSE BLOCK *****
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*
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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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* Contributor(s): Daniel Dunbar
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* Ton Roosendaal,
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* Ben Batt,
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* Brecht Van Lommel,
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* Campbell Barton
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*
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* ***** END GPL LICENSE BLOCK *****
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*
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*/
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/** \file blender/modifiers/intern/MOD_shapekey.c
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* \ingroup modifiers
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*/
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#include "BLI_math.h"
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#include "DNA_key_types.h"
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#include "BLI_utildefines.h"
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#include "BKE_cdderivedmesh.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), const ModifierEvalContext *ctx,
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DerivedMesh *UNUSED(derivedData),
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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,
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(float *)vertexCos, sizeof(*vertexCos) * numVerts);
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}
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}
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static void deformMatrices(ModifierData *md, const ModifierEvalContext *ctx, DerivedMesh *derivedData,
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float (*vertexCos)[3], float (*defMats)[3][3], 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) scale_m3_fl(scale, 1);
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else 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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deformVerts(md, ctx, derivedData, vertexCos, numVerts);
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}
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static void deformVertsEM(ModifierData *md, const ModifierEvalContext *ctx,
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struct BMEditMesh *UNUSED(editData),
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DerivedMesh *derivedData,
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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, derivedData, vertexCos, numVerts);
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}
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static void deformMatricesEM(ModifierData *UNUSED(md), const ModifierEvalContext *ctx,
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struct BMEditMesh *UNUSED(editData),
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DerivedMesh *UNUSED(derivedData),
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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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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 |
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eModifierTypeFlag_AcceptsLattice |
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eModifierTypeFlag_SupportsEditmode,
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/* copyData */ NULL,
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/* deformVerts_DM */ deformVerts,
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/* deformMatrices_DM */ deformMatrices,
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/* deformVertsEM_DM */ deformVertsEM,
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/* deformMatricesEM_DM*/deformMatricesEM,
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/* applyModifier_DM */ NULL,
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/* applyModifierEM_DM */NULL,
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/* deformVerts */ NULL,
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/* deformMatrices */ NULL,
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/* deformVertsEM */ NULL,
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/* deformMatricesEM */ NULL,
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/* applyModifier */ NULL,
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/* applyModifierEM */ 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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};
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