151 lines
4.1 KiB
C
151 lines
4.1 KiB
C
/*
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* $Id$
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*
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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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#include <string.h>
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#include "DNA_scene_types.h"
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#include "DNA_object_types.h"
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#include "BKE_cdderivedmesh.h"
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#include "BKE_lattice.h"
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#include "BKE_modifier.h"
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#include "depsgraph_private.h"
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static void initData(ModifierData *md)
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{
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CurveModifierData *cmd = (CurveModifierData*) md;
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cmd->defaxis = MOD_CURVE_POSX;
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}
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static void copyData(ModifierData *md, ModifierData *target)
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{
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CurveModifierData *cmd = (CurveModifierData*) md;
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CurveModifierData *tcmd = (CurveModifierData*) target;
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tcmd->defaxis = cmd->defaxis;
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tcmd->object = cmd->object;
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strncpy(tcmd->name, cmd->name, 32);
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}
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static CustomDataMask requiredDataMask(Object *ob, ModifierData *md)
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{
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CurveModifierData *cmd = (CurveModifierData *)md;
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CustomDataMask dataMask = 0;
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/* ask for vertexgroups if we need them */
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if(cmd->name[0]) dataMask |= (1 << CD_MDEFORMVERT);
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return dataMask;
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}
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static int isDisabled(ModifierData *md, int userRenderParams)
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{
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CurveModifierData *cmd = (CurveModifierData*) md;
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return !cmd->object;
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}
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static void foreachObjectLink(
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ModifierData *md, Object *ob,
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void (*walk)(void *userData, Object *ob, Object **obpoin),
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void *userData)
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{
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CurveModifierData *cmd = (CurveModifierData*) md;
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walk(userData, ob, &cmd->object);
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}
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static void updateDepgraph(
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ModifierData *md, DagForest *forest, Scene *scene,
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Object *ob, DagNode *obNode)
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{
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CurveModifierData *cmd = (CurveModifierData*) md;
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if (cmd->object) {
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DagNode *curNode = dag_get_node(forest, cmd->object);
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dag_add_relation(forest, curNode, obNode,
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DAG_RL_DATA_DATA | DAG_RL_OB_DATA, "Curve Modifier");
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}
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}
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static void deformVerts(
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ModifierData *md, Object *ob, DerivedMesh *derivedData,
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float (*vertexCos)[3], int numVerts, int useRenderParams, int isFinalCalc)
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{
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CurveModifierData *cmd = (CurveModifierData*) md;
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curve_deform_verts(md->scene, cmd->object, ob, derivedData, vertexCos, numVerts,
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cmd->name, cmd->defaxis);
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}
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static void deformVertsEM(
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ModifierData *md, Object *ob, struct EditMesh *editData,
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DerivedMesh *derivedData, float (*vertexCos)[3], int numVerts)
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{
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DerivedMesh *dm = derivedData;
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if(!derivedData) dm = CDDM_from_editmesh(editData, ob->data);
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deformVerts(md, ob, dm, vertexCos, numVerts, 0, 0);
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if(!derivedData) dm->release(dm);
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}
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ModifierTypeInfo modifierType_Curve = {
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/* name */ "Curve",
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/* structName */ "CurveModifierData",
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/* structSize */ sizeof(CurveModifierData),
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/* type */ eModifierTypeType_OnlyDeform,
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/* flags */ eModifierTypeFlag_AcceptsCVs
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| eModifierTypeFlag_SupportsEditmode,
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/* copyData */ copyData,
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/* deformVerts */ deformVerts,
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/* deformVertsEM */ deformVertsEM,
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/* deformMatricesEM */ 0,
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/* applyModifier */ 0,
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/* applyModifierEM */ 0,
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/* initData */ initData,
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/* requiredDataMask */ requiredDataMask,
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/* freeData */ 0,
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/* isDisabled */ isDisabled,
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/* updateDepgraph */ updateDepgraph,
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/* dependsOnTime */ 0,
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/* foreachObjectLink */ foreachObjectLink,
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/* foreachIDLink */ 0,
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};
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