134 lines
3.7 KiB
C
134 lines
3.7 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_multires.c
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* \ingroup modifiers
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*/
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#include <stddef.h>
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#include "DNA_mesh_types.h"
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#include "BKE_cdderivedmesh.h"
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#include "BKE_multires.h"
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#include "BKE_modifier.h"
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#include "BKE_paint.h"
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#include "BKE_particle.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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MultiresModifierData *mmd = (MultiresModifierData*)md;
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mmd->lvl = 0;
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mmd->sculptlvl = 0;
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mmd->renderlvl = 0;
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mmd->totlvl = 0;
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}
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static void copyData(ModifierData *md, ModifierData *target)
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{
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MultiresModifierData *mmd = (MultiresModifierData*) md;
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MultiresModifierData *tmmd = (MultiresModifierData*) target;
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tmmd->lvl = mmd->lvl;
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tmmd->sculptlvl = mmd->sculptlvl;
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tmmd->renderlvl = mmd->renderlvl;
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tmmd->totlvl = mmd->totlvl;
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tmmd->simple = mmd->simple;
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tmmd->flags = mmd->flags;
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}
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static DerivedMesh *applyModifier(ModifierData *md, Object *ob, DerivedMesh *dm,
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int useRenderParams, int isFinalCalc)
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{
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SculptSession *ss= ob->sculpt;
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int sculpting= (ob->mode & OB_MODE_SCULPT) && ss;
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MultiresModifierData *mmd = (MultiresModifierData*)md;
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DerivedMesh *result;
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Mesh *me= (Mesh*)ob->data;
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if(mmd->totlvl) {
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if(!CustomData_get_layer(&me->fdata, CD_MDISPS)) {
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/* multires always needs a displacement layer */
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CustomData_add_layer(&me->fdata, CD_MDISPS, CD_CALLOC, NULL, me->totface);
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}
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}
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result = multires_dm_create_from_derived(mmd, 0, dm, ob, useRenderParams, isFinalCalc);
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if(result == dm)
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return dm;
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if(useRenderParams || !isFinalCalc) {
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DerivedMesh *cddm= CDDM_copy(result);
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result->release(result);
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result= cddm;
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}
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else if(sculpting) {
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/* would be created on the fly too, just nicer this
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way on first stroke after e.g. switching levels */
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ss->pbvh= result->getPBVH(ob, result);
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}
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return result;
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}
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ModifierTypeInfo modifierType_Multires = {
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/* name */ "Multires",
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/* structName */ "MultiresModifierData",
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/* structSize */ sizeof(MultiresModifierData),
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/* type */ eModifierTypeType_Constructive,
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/* flags */ eModifierTypeFlag_AcceptsMesh
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| eModifierTypeFlag_SupportsMapping
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| eModifierTypeFlag_RequiresOriginalData,
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/* copyData */ copyData,
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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 */ applyModifier,
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/* applyModifierEM */ NULL,
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/* initData */ initData,
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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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