77c2266d7b
texture users in the context. It's only useful for modifiers and brushes at the moment, not for shading nodes as using texture datablocks there is not yet supported.
154 lines
4.1 KiB
C
154 lines
4.1 KiB
C
/*
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* $Id$
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*
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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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#include "MEM_guardedalloc.h"
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static void deformVerts(ModifierData *md, Object *ob,
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DerivedMesh *UNUSED(derivedData),
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float (*vertexCos)[3],
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int numVerts,
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int UNUSED(useRenderParams),
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int UNUSED(isFinalCalc))
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{
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KeyBlock *kb= ob_get_keyblock(ob);
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float (*deformedVerts)[3];
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if(kb && kb->totelem == numVerts) {
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deformedVerts= (float(*)[3])do_ob_key(md->scene, ob);
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if(deformedVerts) {
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memcpy(vertexCos, deformedVerts, sizeof(float)*3*numVerts);
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MEM_freeN(deformedVerts);
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}
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}
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}
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static void deformMatrices(ModifierData *md, Object *ob, 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= ob_get_key(ob);
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KeyBlock *kb= ob_get_keyblock(ob);
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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(ob->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, ob, derivedData, vertexCos, numVerts, 0, 0);
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}
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static void deformVertsEM(ModifierData *md, Object *ob,
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struct EditMesh *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= ob_get_key(ob);
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if(key && key->type == KEY_RELATIVE)
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deformVerts(md, ob, derivedData, vertexCos, numVerts, 0, 0);
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}
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static void deformMatricesEM(ModifierData *UNUSED(md), Object *ob,
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struct EditMesh *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= ob_get_key(ob);
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KeyBlock *kb= ob_get_keyblock(ob);
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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_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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/* 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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/* updateDepgraph */ 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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