diff options
Diffstat (limited to 'source/blender/modifiers/intern/MOD_curve.c')
| -rw-r--r-- | source/blender/modifiers/intern/MOD_curve.c | 150 |
1 files changed, 150 insertions, 0 deletions
diff --git a/source/blender/modifiers/intern/MOD_curve.c b/source/blender/modifiers/intern/MOD_curve.c new file mode 100644 index 00000000000..97c7a4b01d6 --- /dev/null +++ b/source/blender/modifiers/intern/MOD_curve.c @@ -0,0 +1,150 @@ +/* +* $Id$ +* +* ***** 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 "DNA_scene_types.h" +#include "DNA_object_types.h" + +#include "BKE_cdderivedmesh.h" +#include "BKE_lattice.h" +#include "BKE_modifier.h" + +#include "depsgraph_private.h" + + +static void initData(ModifierData *md) +{ + CurveModifierData *cmd = (CurveModifierData*) md; + + cmd->defaxis = MOD_CURVE_POSX; +} + +static void copyData(ModifierData *md, ModifierData *target) +{ + CurveModifierData *cmd = (CurveModifierData*) md; + CurveModifierData *tcmd = (CurveModifierData*) target; + + tcmd->defaxis = cmd->defaxis; + tcmd->object = cmd->object; + strncpy(tcmd->name, cmd->name, 32); +} + +static CustomDataMask requiredDataMask(Object *ob, ModifierData *md) +{ + CurveModifierData *cmd = (CurveModifierData *)md; + CustomDataMask dataMask = 0; + + /* ask for vertexgroups if we need them */ + if(cmd->name[0]) dataMask |= (1 << CD_MDEFORMVERT); + + return dataMask; +} + +static int isDisabled(ModifierData *md, int userRenderParams) +{ + CurveModifierData *cmd = (CurveModifierData*) md; + + return !cmd->object; +} + +static void foreachObjectLink( + ModifierData *md, Object *ob, + void (*walk)(void *userData, Object *ob, Object **obpoin), + void *userData) +{ + CurveModifierData *cmd = (CurveModifierData*) md; + + walk(userData, ob, &cmd->object); +} + +static void updateDepgraph( + ModifierData *md, DagForest *forest, Scene *scene, + Object *ob, DagNode *obNode) +{ + CurveModifierData *cmd = (CurveModifierData*) md; + + if (cmd->object) { + DagNode *curNode = dag_get_node(forest, cmd->object); + + dag_add_relation(forest, curNode, obNode, + DAG_RL_DATA_DATA | DAG_RL_OB_DATA, "Curve Modifier"); + } +} + +static void deformVerts( + ModifierData *md, Object *ob, DerivedMesh *derivedData, + float (*vertexCos)[3], int numVerts, int useRenderParams, int isFinalCalc) +{ + CurveModifierData *cmd = (CurveModifierData*) md; + + curve_deform_verts(md->scene, cmd->object, ob, derivedData, vertexCos, numVerts, + cmd->name, cmd->defaxis); +} + +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_Curve = { + /* name */ "Curve", + /* structName */ "CurveModifierData", + /* structSize */ sizeof(CurveModifierData), + /* type */ eModifierTypeType_OnlyDeform, + /* flags */ eModifierTypeFlag_AcceptsCVs + | eModifierTypeFlag_SupportsEditmode, + + /* copyData */ copyData, + /* deformVerts */ deformVerts, + /* deformVertsEM */ deformVertsEM, + /* deformMatricesEM */ 0, + /* applyModifier */ 0, + /* applyModifierEM */ 0, + /* initData */ initData, + /* requiredDataMask */ requiredDataMask, + /* freeData */ 0, + /* isDisabled */ isDisabled, + /* updateDepgraph */ updateDepgraph, + /* dependsOnTime */ 0, + /* foreachObjectLink */ foreachObjectLink, + /* foreachIDLink */ 0, +}; |