163 lines
4.7 KiB
C
163 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_lattice.c
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* \ingroup modifiers
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*/
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#include <string.h>
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#include "DNA_object_types.h"
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#include "BLI_utildefines.h"
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#include "BLI_string.h"
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#include "BKE_cdderivedmesh.h"
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#include "BKE_lattice.h"
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#include "BKE_modifier.h"
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#include "depsgraph_private.h"
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#include "MOD_util.h"
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static void initData(ModifierData *md)
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{
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LatticeModifierData *lmd = (LatticeModifierData *) md;
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lmd->strength = 1.0f;
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}
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static void copyData(ModifierData *md, ModifierData *target)
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{
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LatticeModifierData *lmd = (LatticeModifierData *) md;
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LatticeModifierData *tlmd = (LatticeModifierData *) target;
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tlmd->object = lmd->object;
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BLI_strncpy(tlmd->name, lmd->name, sizeof(tlmd->name));
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}
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static CustomDataMask requiredDataMask(Object *UNUSED(ob), ModifierData *md)
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{
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LatticeModifierData *lmd = (LatticeModifierData *)md;
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CustomDataMask dataMask = 0;
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/* ask for vertexgroups if we need them */
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if (lmd->name[0]) dataMask |= CD_MASK_MDEFORMVERT;
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return dataMask;
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}
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static int isDisabled(ModifierData *md, int UNUSED(userRenderParams))
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{
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LatticeModifierData *lmd = (LatticeModifierData *) md;
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return !lmd->object;
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}
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static void foreachObjectLink(
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ModifierData *md, Object *ob,
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void (*walk)(void *userData, Object *ob, Object **obpoin),
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void *userData)
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{
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LatticeModifierData *lmd = (LatticeModifierData *) md;
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walk(userData, ob, &lmd->object);
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}
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static void updateDepgraph(ModifierData *md, DagForest *forest,
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struct Scene *UNUSED(scene),
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Object *UNUSED(ob),
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DagNode *obNode)
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{
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LatticeModifierData *lmd = (LatticeModifierData *) md;
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if (lmd->object) {
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DagNode *latNode = dag_get_node(forest, lmd->object);
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dag_add_relation(forest, latNode, obNode,
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DAG_RL_DATA_DATA | DAG_RL_OB_DATA, "Lattice Modifier");
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}
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}
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static void deformVerts(ModifierData *md, Object *ob,
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DerivedMesh *derivedData,
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float (*vertexCos)[3],
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int numVerts,
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ModifierApplyFlag UNUSED(flag))
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{
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LatticeModifierData *lmd = (LatticeModifierData *) md;
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modifier_vgroup_cache(md, vertexCos); /* if next modifier needs original vertices */
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lattice_deform_verts(lmd->object, ob, derivedData,
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vertexCos, numVerts, lmd->name, lmd->strength);
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}
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static void deformVertsEM(
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ModifierData *md, Object *ob, struct BMEditMesh *em,
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DerivedMesh *derivedData, float (*vertexCos)[3], int numVerts)
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{
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DerivedMesh *dm = derivedData;
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if (!derivedData) dm = CDDM_from_editbmesh(em, FALSE, FALSE);
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deformVerts(md, ob, dm, vertexCos, numVerts, 0);
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if (!derivedData) dm->release(dm);
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}
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ModifierTypeInfo modifierType_Lattice = {
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/* name */ "Lattice",
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/* structName */ "LatticeModifierData",
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/* structSize */ sizeof(LatticeModifierData),
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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 */ copyData,
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/* deformVerts */ deformVerts,
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/* deformMatrices */ NULL,
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/* deformVertsEM */ deformVertsEM,
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/* deformMatricesEM */ NULL,
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/* applyModifier */ NULL,
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/* applyModifierEM */ NULL,
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/* initData */ initData,
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/* requiredDataMask */ requiredDataMask,
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/* freeData */ NULL,
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/* isDisabled */ isDisabled,
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/* updateDepgraph */ updateDepgraph,
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/* dependsOnTime */ NULL,
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/* dependsOnNormals */ NULL,
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/* foreachObjectLink */ foreachObjectLink,
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/* foreachIDLink */ NULL,
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/* foreachTexLink */ NULL,
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};
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