diff options
Diffstat (limited to 'source/blender/modifiers/intern/MOD_multires.c')
| -rw-r--r-- | source/blender/modifiers/intern/MOD_multires.c | 123 |
1 files changed, 123 insertions, 0 deletions
diff --git a/source/blender/modifiers/intern/MOD_multires.c b/source/blender/modifiers/intern/MOD_multires.c new file mode 100644 index 00000000000..766a3756d4a --- /dev/null +++ b/source/blender/modifiers/intern/MOD_multires.c @@ -0,0 +1,123 @@ +/* +* $Id$ +* +* ***** 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, +}; |