diff options
Diffstat (limited to 'source/blender/modifiers/intern/MOD_lattice.c')
-rw-r--r-- | source/blender/modifiers/intern/MOD_lattice.c | 142 |
1 files changed, 142 insertions, 0 deletions
diff --git a/source/blender/modifiers/intern/MOD_lattice.c b/source/blender/modifiers/intern/MOD_lattice.c new file mode 100644 index 00000000000..c5100578fff --- /dev/null +++ b/source/blender/modifiers/intern/MOD_lattice.c @@ -0,0 +1,142 @@ +/* +* $Id$ +* +* ***** 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 "string.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 *ob, ModifierData *md) +{ + LatticeModifierData *lmd = (LatticeModifierData *)md; + CustomDataMask dataMask = 0; + + /* ask for vertexgroups if we need them */ + if(lmd->name[0]) dataMask |= (1 << CD_MDEFORMVERT); + + return dataMask; +} + +static int isDisabled(ModifierData *md, int 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 *scene, + Object *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 useRenderParams, int 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 EditMesh *editData, + DerivedMesh *derivedData, float (*vertexCos)[3], int numVerts) +{ + DerivedMesh *dm = derivedData; + + if(!derivedData) dm = CDDM_from_editmesh(editData, ob->data); + + 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, + /* deformVertsEM */ deformVertsEM, + /* deformMatricesEM */ 0, + /* applyModifier */ 0, + /* applyModifierEM */ 0, + /* initData */ 0, + /* requiredDataMask */ requiredDataMask, + /* freeData */ 0, + /* isDisabled */ isDisabled, + /* updateDepgraph */ updateDepgraph, + /* dependsOnTime */ 0, + /* foreachObjectLink */ foreachObjectLink, + /* foreachIDLink */ 0, +}; |