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/*
* $Id$
*
* ***** BEGIN GPL LICENSE BLOCK *****
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* 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,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* The Original Code is Copyright (C) 2005 by the Blender Foundation.
* All rights reserved.
*
* Contributor(s): Daniel Dunbar
* Ton Roosendaal,
* Ben Batt,
* Brecht Van Lommel,
* Campbell Barton
*
* ***** END GPL LICENSE BLOCK *****
*
*/
/** \file blender/modifiers/intern/MOD_lattice.c
* \ingroup modifiers
*/
#include <string.h>
#include "DNA_object_types.h"
#include "BLI_utildefines.h"
#include "BKE_cdderivedmesh.h"
#include "BKE_lattice.h"
#include "BKE_modifier.h"
#include "depsgraph_private.h"
#include "MOD_util.h"
static void copyData(ModifierData *md, ModifierData *target)
{
LatticeModifierData *lmd = (LatticeModifierData*) md;
LatticeModifierData *tlmd = (LatticeModifierData*) target;
tlmd->object = lmd->object;
strncpy(tlmd->name, lmd->name, 32);
}
static CustomDataMask requiredDataMask(Object *UNUSED(ob), ModifierData *md)
{
LatticeModifierData *lmd = (LatticeModifierData *)md;
CustomDataMask dataMask = 0;
/* ask for vertexgroups if we need them */
if(lmd->name[0]) dataMask |= CD_MASK_MDEFORMVERT;
return dataMask;
}
static int isDisabled(ModifierData *md, int UNUSED(userRenderParams))
{
LatticeModifierData *lmd = (LatticeModifierData*) md;
return !lmd->object;
}
static void foreachObjectLink(
ModifierData *md, Object *ob,
void (*walk)(void *userData, Object *ob, Object **obpoin),
void *userData)
{
LatticeModifierData *lmd = (LatticeModifierData*) md;
walk(userData, ob, &lmd->object);
}
static void updateDepgraph(ModifierData *md, DagForest *forest,
struct Scene *UNUSED(scene),
Object *UNUSED(ob),
DagNode *obNode)
{
LatticeModifierData *lmd = (LatticeModifierData*) md;
if(lmd->object) {
DagNode *latNode = dag_get_node(forest, lmd->object);
dag_add_relation(forest, latNode, obNode,
DAG_RL_DATA_DATA | DAG_RL_OB_DATA, "Lattice Modifier");
}
}
static void deformVerts(ModifierData *md, Object *ob,
DerivedMesh *derivedData,
float (*vertexCos)[3],
int numVerts,
int UNUSED(useRenderParams),
int UNUSED(isFinalCalc))
{
LatticeModifierData *lmd = (LatticeModifierData*) md;
modifier_vgroup_cache(md, vertexCos); /* if next modifier needs original vertices */
lattice_deform_verts(lmd->object, ob, derivedData,
vertexCos, numVerts, lmd->name);
}
static void deformVertsEM(
ModifierData *md, Object *ob, struct BMEditMesh *editData,
DerivedMesh *derivedData, float (*vertexCos)[3], int numVerts)
{
DerivedMesh *dm = derivedData;
if(!derivedData) dm = CDDM_from_BMEditMesh(editData, ob->data, 0);
deformVerts(md, ob, dm, vertexCos, numVerts, 0, 0);
if(!derivedData) dm->release(dm);
}
ModifierTypeInfo modifierType_Lattice = {
/* name */ "Lattice",
/* structName */ "LatticeModifierData",
/* structSize */ sizeof(LatticeModifierData),
/* type */ eModifierTypeType_OnlyDeform,
/* flags */ eModifierTypeFlag_AcceptsCVs
| eModifierTypeFlag_SupportsEditmode,
/* copyData */ copyData,
/* deformVerts */ deformVerts,
/* deformMatrices */ 0,
/* deformVertsEM */ deformVertsEM,
/* deformMatricesEM */ 0,
/* applyModifier */ 0,
/* applyModifierEM */ 0,
/* initData */ 0,
/* requiredDataMask */ requiredDataMask,
/* freeData */ 0,
/* isDisabled */ isDisabled,
/* updateDepgraph */ updateDepgraph,
/* dependsOnTime */ 0,
/* dependsOnNormals */ 0,
/* foreachObjectLink */ foreachObjectLink,
/* foreachIDLink */ 0,
};
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