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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 *****
*
*/
#include <stddef.h>
#include "BKE_cdderivedmesh.h"
#include "BKE_multires.h"
#include "BKE_modifier.h"
#include "BKE_paint.h"
#include "BKE_particle.h"
#include "DNA_mesh_types.h"
static void initData(ModifierData *md)
{
MultiresModifierData *mmd = (MultiresModifierData*)md;
mmd->lvl = 0;
mmd->sculptlvl = 0;
mmd->renderlvl = 0;
mmd->totlvl = 0;
}
static void copyData(ModifierData *md, ModifierData *target)
{
MultiresModifierData *mmd = (MultiresModifierData*) md;
MultiresModifierData *tmmd = (MultiresModifierData*) target;
tmmd->lvl = mmd->lvl;
tmmd->sculptlvl = mmd->sculptlvl;
tmmd->renderlvl = mmd->renderlvl;
tmmd->totlvl = mmd->totlvl;
}
static DerivedMesh *applyModifier(ModifierData *md, Object *ob, DerivedMesh *dm,
int useRenderParams, int isFinalCalc)
{
SculptSession *ss= ob->sculpt;
int sculpting= (ob->mode & OB_MODE_SCULPT) && ss;
MultiresModifierData *mmd = (MultiresModifierData*)md;
DerivedMesh *result;
Mesh *me= (Mesh*)ob->data;
if(mmd->totlvl) {
if(!CustomData_get_layer(&me->fdata, CD_MDISPS)) {
/* multires can't work without displacement layer */
modifier_setError(md, "Modifier needs mesh with displacement data.");
return dm;
}
}
result = multires_dm_create_from_derived(mmd, 0, dm, ob, useRenderParams, isFinalCalc);
if(result == dm)
return dm;
if(useRenderParams || !isFinalCalc) {
DerivedMesh *cddm= CDDM_copy(result);
result->release(result);
result= cddm;
}
else if(sculpting) {
/* would be created on the fly too, just nicer this
way on first stroke after e.g. switching levels */
ss->pbvh= result->getPBVH(ob, result);
}
return result;
}
ModifierTypeInfo modifierType_Multires = {
/* name */ "Multires",
/* structName */ "MultiresModifierData",
/* structSize */ sizeof(MultiresModifierData),
/* type */ eModifierTypeType_Constructive,
/* flags */ eModifierTypeFlag_AcceptsMesh
| eModifierTypeFlag_RequiresOriginalData,
/* copyData */ copyData,
/* deformVerts */ 0,
/* deformVertsEM */ 0,
/* deformMatricesEM */ 0,
/* applyModifier */ applyModifier,
/* applyModifierEM */ 0,
/* initData */ initData,
/* requiredDataMask */ 0,
/* freeData */ 0,
/* isDisabled */ 0,
/* updateDepgraph */ 0,
/* dependsOnTime */ 0,
/* foreachObjectLink */ 0,
/* foreachIDLink */ 0,
};
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