forked from bartvdbraak/blender
Merge of SimpleDeform modifier from soc-2008-jaguarandi branch
http://wiki.blender.org/index.php/User:Jaguarandi/SummerOfCode2008/SimpleDeform
This commit is contained in:
Andre Susano Pinto
commit
6cc87a1047
39
source/blender/blenkernel/BKE_simple_deform.h
Normal file
39
source/blender/blenkernel/BKE_simple_deform.h
Normal file
@ -0,0 +1,39 @@
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/**
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* BKE_shrinkwrap.h
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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
|
||||
* 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
|
||||
*
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||||
* The Original Code is Copyright (C) Blender Foundation.
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* All rights reserved.
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||||
*
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||||
* The Original Code is: all of this file.
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||||
*
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* Contributor(s): none yet.
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*
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* ***** END GPL LICENSE BLOCK *****
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*/
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#ifndef BKE_SIMPLE_DEFORM_H
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#define BKE_SIMPLE_DEFORM_H
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struct Object;
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struct DerivedMesh;
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struct SimpleDeformModifierData;
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void SimpleDeformModifier_do(SimpleDeformModifierData *smd, struct Object *ob, struct DerivedMesh *dm, float (*vertexCos)[3], int numVerts);
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#endif
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@ -105,6 +105,7 @@
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#include "depsgraph_private.h"
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#include "BKE_deform.h"
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#include "BKE_shrinkwrap.h"
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#include "BKE_simple_deform.h"
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#include "LOD_DependKludge.h"
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#include "LOD_decimation.h"
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@ -7743,7 +7744,7 @@ static void shrinkwrapModifier_deformVerts(ModifierData *md, Object *ob, Derived
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CustomDataMask dataMask = shrinkwrapModifier_requiredDataMask(md);
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/* We implement requiredDataMask but thats not really usefull since mesh_calc_modifiers pass a NULL derivedData or without the modified vertexs applied */
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if(shrinkwrapModifier_requiredDataMask(md))
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if(dataMask)
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{
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if(derivedData) dm = CDDM_copy(derivedData);
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else if(ob->type==OB_MESH) dm = CDDM_from_mesh(ob->data, ob);
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@ -7797,6 +7798,109 @@ static void shrinkwrapModifier_updateDepgraph(ModifierData *md, DagForest *fores
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dag_add_relation(forest, dag_get_node(forest, smd->auxTarget), obNode, DAG_RL_OB_DATA | DAG_RL_DATA_DATA, "Shrinkwrap Modifier");
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}
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/* SimpleDeform */
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static void simpledeformModifier_initData(ModifierData *md)
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{
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SimpleDeformModifierData *smd = (SimpleDeformModifierData*) md;
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smd->mode = MOD_SIMPLEDEFORM_MODE_TWIST;
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smd->axis = 0;
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smd->origin = NULL;
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smd->factor = 0.35f;
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smd->limit[0] = 0.0f;
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smd->limit[1] = 1.0f;
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}
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static void simpledeformModifier_copyData(ModifierData *md, ModifierData *target)
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{
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SimpleDeformModifierData *smd = (SimpleDeformModifierData*)md;
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SimpleDeformModifierData *tsmd = (SimpleDeformModifierData*)target;
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tsmd->mode = smd->mode;
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tsmd->axis = smd->axis;
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tsmd->origin= smd->origin;
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tsmd->factor= smd->factor;
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memcpy(tsmd->limit, smd->limit, sizeof(tsmd->limit));
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}
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static CustomDataMask simpledeformModifier_requiredDataMask(ModifierData *md)
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{
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SimpleDeformModifierData *smd = (SimpleDeformModifierData *)md;
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CustomDataMask dataMask = 0;
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/* ask for vertexgroups if we need them */
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if(smd->vgroup_name[0])
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dataMask |= (1 << CD_MDEFORMVERT);
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return dataMask;
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}
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static void simpledeformModifier_foreachObjectLink(ModifierData *md, Object *ob, void (*walk)(void *userData, Object *ob, Object **obpoin), void *userData)
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{
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SimpleDeformModifierData *smd = (SimpleDeformModifierData*)md;
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walk(userData, ob, &smd->origin);
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}
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static void simpledeformModifier_updateDepgraph(ModifierData *md, DagForest *forest, Object *ob, DagNode *obNode)
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{
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SimpleDeformModifierData *smd = (SimpleDeformModifierData*)md;
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if (smd->origin)
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dag_add_relation(forest, dag_get_node(forest, smd->origin), obNode, DAG_RL_OB_DATA, "SimpleDeform Modifier");
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}
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static void simpledeformModifier_deformVerts(ModifierData *md, Object *ob, DerivedMesh *derivedData, float (*vertexCos)[3], int numVerts)
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{
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DerivedMesh *dm = NULL;
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CustomDataMask dataMask = simpledeformModifier_requiredDataMask(md);
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/* We implement requiredDataMask but thats not really usefull since mesh_calc_modifiers pass a NULL derivedData or without the modified vertexs applied */
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if(dataMask)
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{
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if(derivedData) dm = CDDM_copy(derivedData);
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else if(ob->type==OB_MESH) dm = CDDM_from_mesh(ob->data, ob);
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else return;
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if(dataMask & CD_MVERT)
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{
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CDDM_apply_vert_coords(dm, vertexCos);
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CDDM_calc_normals(dm);
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}
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}
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SimpleDeformModifier_do((SimpleDeformModifierData*)md, ob, dm, vertexCos, numVerts);
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if(dm)
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dm->release(dm);
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}
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static void simpledeformModifier_deformVertsEM(ModifierData *md, Object *ob, EditMesh *editData, DerivedMesh *derivedData, float (*vertexCos)[3], int numVerts)
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{
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DerivedMesh *dm = NULL;
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CustomDataMask dataMask = simpledeformModifier_requiredDataMask(md);
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/* We implement requiredDataMask but thats not really usefull since mesh_calc_modifiers pass a NULL derivedData or without the modified vertexs applied */
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if(dataMask)
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{
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if(derivedData) dm = CDDM_copy(derivedData);
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else if(ob->type==OB_MESH) dm = CDDM_from_editmesh(editData, ob->data);
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else return;
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if(dataMask & CD_MVERT)
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{
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CDDM_apply_vert_coords(dm, vertexCos);
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CDDM_calc_normals(dm);
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}
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}
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SimpleDeformModifier_do((SimpleDeformModifierData*)md, ob, dm, vertexCos, numVerts);
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if(dm)
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dm->release(dm);
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}
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/***/
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static ModifierTypeInfo typeArr[NUM_MODIFIER_TYPES];
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@ -8154,6 +8258,20 @@ ModifierTypeInfo *modifierType_getInfo(ModifierType type)
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mti->deformVertsEM = shrinkwrapModifier_deformVertsEM;
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mti->updateDepgraph = shrinkwrapModifier_updateDepgraph;
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mti = INIT_TYPE(SimpleDeform);
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mti->type = eModifierTypeType_OnlyDeform;
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mti->flags = eModifierTypeFlag_AcceptsMesh
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| eModifierTypeFlag_AcceptsCVs
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| eModifierTypeFlag_SupportsEditmode
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| eModifierTypeFlag_EnableInEditmode;
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mti->initData = simpledeformModifier_initData;
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mti->copyData = simpledeformModifier_copyData;
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mti->requiredDataMask = simpledeformModifier_requiredDataMask;
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mti->deformVerts = simpledeformModifier_deformVerts;
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mti->deformVertsEM = simpledeformModifier_deformVertsEM;
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mti->foreachObjectLink = simpledeformModifier_foreachObjectLink;
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mti->updateDepgraph = simpledeformModifier_updateDepgraph;
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typeArrInit = 0;
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#undef INIT_TYPE
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}
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248
source/blender/blenkernel/intern/simple_deform.c
Normal file
248
source/blender/blenkernel/intern/simple_deform.c
Normal file
@ -0,0 +1,248 @@
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/**
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* deform_simple.c
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||||
*
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||||
* ***** 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
|
||||
*
|
||||
* The Original Code is Copyright (C) Blender Foundation.
|
||||
* All rights reserved.
|
||||
*
|
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* The Original Code is: all of this file.
|
||||
*
|
||||
* Contributor(s): André Pinto
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*
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||||
* ***** END GPL LICENSE BLOCK *****
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||||
*/
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#include "DNA_object_types.h"
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#include "DNA_modifier_types.h"
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#include "DNA_meshdata_types.h"
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#include "BKE_simple_deform.h"
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#include "BKE_DerivedMesh.h"
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#include "BKE_deform.h"
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#include "BKE_utildefines.h"
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#include "BLI_arithb.h"
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#include "BKE_shrinkwrap.h"
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#include <string.h>
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#include <math.h>
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//Clamps/Limits the given coordinate to: limits[0] <= co[axis] <= limits[1]
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//The ammount of clamp is saved on dcut
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static void axis_limit(int axis, const float limits[2], float co[3], float dcut[3])
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{
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float val = co[axis];
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if(limits[0] > val) val = limits[0];
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if(limits[1] < val) val = limits[1];
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dcut[axis] = co[axis] - val;
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co[axis] = val;
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}
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static void simpleDeform_taper(const float factor, const float dcut[3], float *co)
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{
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float x = co[0], y = co[1], z = co[2];
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float scale = z*factor;
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co[0] = x + x*scale;
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co[1] = y + y*scale;
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co[2] = z;
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if(dcut)
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{
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co[0] += dcut[0];
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co[1] += dcut[1];
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co[2] += dcut[2];
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}
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}
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static void simpleDeform_stretch(const float factor, const float dcut[3], float *co)
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{
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float x = co[0], y = co[1], z = co[2];
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float scale;
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scale = (z*z*factor-factor + 1.0);
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co[0] = x*scale;
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co[1] = y*scale;
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co[2] = z*(1.0+factor);
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if(dcut)
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{
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co[0] += dcut[0];
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co[1] += dcut[1];
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co[2] += dcut[2];
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}
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}
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static void simpleDeform_twist(const float factor, const float *dcut, float *co)
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{
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float x = co[0], y = co[1], z = co[2];
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float theta, sint, cost;
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theta = z*factor;
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sint = sin(theta);
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cost = cos(theta);
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co[0] = x*cost - y*sint;
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co[1] = x*sint + y*cost;
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co[2] = z;
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if(dcut)
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{
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co[0] += dcut[0];
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co[1] += dcut[1];
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co[2] += dcut[2];
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}
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}
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static void simpleDeform_bend(const float factor, const float dcut[3], float *co)
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{
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float x = co[0], y = co[1], z = co[2];
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float theta, sint, cost;
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theta = x*factor;
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sint = sin(theta);
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cost = cos(theta);
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|
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if(fabs(factor) > 1e-7f)
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{
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co[0] = -(y-1.0f/factor)*sint;
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co[1] = (y-1.0f/factor)*cost + 1.0f/factor;
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co[2] = z;
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}
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if(dcut)
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{
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co[0] += cost*dcut[0];
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co[1] += sint*dcut[0];
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co[2] += dcut[2];
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}
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}
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/* simple deform modifier */
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void SimpleDeformModifier_do(SimpleDeformModifierData *smd, struct Object *ob, struct DerivedMesh *dm, float (*vertexCos)[3], int numVerts)
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{
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static const float lock_axis[2] = {0.0f, 0.0f};
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int i;
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int limit_axis = 0;
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float smd_limit[2], smd_factor;
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SpaceTransform *transf = NULL, tmp_transf;
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void (*simpleDeform_callback)(const float factor, const float dcut[3], float *co) = NULL; //Mode callback
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int vgroup = get_named_vertexgroup_num(ob, smd->vgroup_name);
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MDeformVert *dvert = NULL;
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//Safe-check
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if(smd->origin == ob) smd->origin = NULL; //No self references
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if(smd->limit[0] < 0.0) smd->limit[0] = 0.0f;
|
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if(smd->limit[0] > 1.0) smd->limit[0] = 1.0f;
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smd->limit[0] = MIN2(smd->limit[0], smd->limit[1]); //Upper limit >= than lower limit
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|
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//Calculate matrixs do convert between coordinate spaces
|
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if(smd->origin)
|
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{
|
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transf = &tmp_transf;
|
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|
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if(smd->originOpts & MOD_SIMPLEDEFORM_ORIGIN_LOCAL)
|
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{
|
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space_transform_from_matrixs(transf, ob->obmat, smd->origin->obmat);
|
||||
}
|
||||
else
|
||||
{
|
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Mat4CpyMat4(transf->local2target, smd->origin->obmat);
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Mat4Invert(transf->target2local, transf->local2target);
|
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}
|
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}
|
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|
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//Setup vars
|
||||
limit_axis = (smd->mode == MOD_SIMPLEDEFORM_MODE_BEND) ? 0 : 2; //Bend limits on X.. all other modes limit on Z
|
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|
||||
//Update limits if needed
|
||||
{
|
||||
float lower = FLT_MAX;
|
||||
float upper = -FLT_MAX;
|
||||
|
||||
for(i=0; i<numVerts; i++)
|
||||
{
|
||||
float tmp[3];
|
||||
VECCOPY(tmp, vertexCos[i]);
|
||||
|
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if(transf) space_transform_apply(transf, tmp);
|
||||
|
||||
lower = MIN2(lower, tmp[limit_axis]);
|
||||
upper = MAX2(upper, tmp[limit_axis]);
|
||||
}
|
||||
|
||||
|
||||
//SMD values are normalized to the BV, calculate the absolut values
|
||||
smd_limit[1] = lower + (upper-lower)*smd->limit[1];
|
||||
smd_limit[0] = lower + (upper-lower)*smd->limit[0];
|
||||
|
||||
smd_factor = smd->factor / MAX2(FLT_EPSILON, smd_limit[1]-smd_limit[0]);
|
||||
}
|
||||
|
||||
|
||||
if(dm)
|
||||
dvert = dm->getVertDataArray(dm, CD_MDEFORMVERT);
|
||||
|
||||
|
||||
switch(smd->mode)
|
||||
{
|
||||
case MOD_SIMPLEDEFORM_MODE_TWIST: simpleDeform_callback = simpleDeform_twist; break;
|
||||
case MOD_SIMPLEDEFORM_MODE_BEND: simpleDeform_callback = simpleDeform_bend; break;
|
||||
case MOD_SIMPLEDEFORM_MODE_TAPER: simpleDeform_callback = simpleDeform_taper; break;
|
||||
case MOD_SIMPLEDEFORM_MODE_STRETCH: simpleDeform_callback = simpleDeform_stretch; break;
|
||||
default:
|
||||
return; //No simpledeform mode?
|
||||
}
|
||||
|
||||
for(i=0; i<numVerts; i++)
|
||||
{
|
||||
float weight = vertexgroup_get_vertex_weight(dvert, i, vgroup);
|
||||
|
||||
if(weight != 0.0f)
|
||||
{
|
||||
float co[3], dcut[3] = {0.0f, 0.0f, 0.0f};
|
||||
|
||||
if(transf) space_transform_apply(transf, vertexCos[i]);
|
||||
|
||||
VECCOPY(co, vertexCos[i]);
|
||||
|
||||
//Apply axis limits
|
||||
if(smd->mode != MOD_SIMPLEDEFORM_MODE_BEND) //Bend mode shoulnt have any lock axis
|
||||
{
|
||||
if(smd->axis & MOD_SIMPLEDEFORM_LOCK_AXIS_X) axis_limit(0, lock_axis, co, dcut);
|
||||
if(smd->axis & MOD_SIMPLEDEFORM_LOCK_AXIS_Y) axis_limit(1, lock_axis, co, dcut);
|
||||
}
|
||||
axis_limit(limit_axis, smd_limit, co, dcut);
|
||||
|
||||
simpleDeform_callback(smd_factor, dcut, co); //Apply deform
|
||||
VecLerpf(vertexCos[i], vertexCos[i], co, weight); //Use vertex weight has coef of linear interpolation
|
||||
|
||||
if(transf) space_transform_invert(transf, vertexCos[i]);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
@ -38,6 +38,7 @@ typedef enum ModifierType {
|
||||
eModifierType_Shrinkwrap,
|
||||
eModifierType_Fluidsim,
|
||||
eModifierType_Mask,
|
||||
eModifierType_SimpleDeform,
|
||||
NUM_MODIFIER_TYPES
|
||||
} ModifierType;
|
||||
|
||||
@ -560,4 +561,32 @@ typedef struct ShrinkwrapModifierData {
|
||||
#define MOD_SHRINKWRAP_PROJECT_OVER_Z_AXIS (1<<2)
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#define MOD_SHRINKWRAP_PROJECT_OVER_NORMAL 0 /* projection over normal is used if no axis is selected */
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typedef struct SimpleDeformModifierData {
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ModifierData modifier;
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struct Object *origin; /* object to control the origin of modifier space coordinates */
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char vgroup_name[32]; /* optional vertexgroup name */
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float factor; /* factors to control simple deforms */
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float limit[2]; /* lower and upper limit */
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char mode; /* deform function */
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char axis; /* lock axis (for taper and strech) */
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char originOpts; /* originOptions */
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||||
char pad;
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||||
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} SimpleDeformModifierData;
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#define MOD_SIMPLEDEFORM_MODE_TWIST 1
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||||
#define MOD_SIMPLEDEFORM_MODE_BEND 2
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#define MOD_SIMPLEDEFORM_MODE_TAPER 3
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||||
#define MOD_SIMPLEDEFORM_MODE_STRETCH 4
|
||||
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||||
#define MOD_SIMPLEDEFORM_LOCK_AXIS_X (1<<0)
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||||
#define MOD_SIMPLEDEFORM_LOCK_AXIS_Y (1<<1)
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/* indicates whether simple deform should use the local
|
||||
coordinates or global coordinates of origin */
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||||
#define MOD_SIMPLEDEFORM_ORIGIN_LOCAL (1<<0)
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#endif
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||||
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||||
@ -1852,6 +1852,13 @@ static void draw_modifier(uiBlock *block, Object *ob, ModifierData *md, int *xco
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||||
height += 19;
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||||
} else if (md->type == eModifierType_Mask) {
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||||
height = 66;
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||||
} else if (md->type==eModifierType_SimpleDeform) {
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||||
SimpleDeformModifierData *smd = (SimpleDeformModifierData*) md;
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||||
height += 19*5;
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||||
if(smd->origin != NULL) height += 19;
|
||||
if(smd->mode == MOD_SIMPLEDEFORM_MODE_STRETCH
|
||||
|| smd->mode == MOD_SIMPLEDEFORM_MODE_TAPER )
|
||||
height += 19;
|
||||
}
|
||||
/* roundbox 4 free variables: corner-rounding, nop, roundbox type, shade */
|
||||
uiDefBut(block, ROUNDBOX, 0, "", x-10, y-height-2, width, height-2, NULL, 5.0, 0.0, 12, 40, "");
|
||||
@ -2548,6 +2555,30 @@ static void draw_modifier(uiBlock *block, Object *ob, ModifierData *md, int *xco
|
||||
|
||||
uiBlockEndAlign(block);
|
||||
|
||||
} else if (md->type==eModifierType_SimpleDeform) {
|
||||
SimpleDeformModifierData *smd = (SimpleDeformModifierData*) md;
|
||||
char simpledeform_modemenu[] = "Deform type%t|Twist %x1|Bend %x2|Taper %x3|Strech %x4";
|
||||
|
||||
uiDefButC(block, MENU, B_MODIFIER_RECALC, simpledeform_modemenu, lx,(cy-=19),buttonWidth,19, &smd->mode, 0, 0, 0, 0, "Selects type of deform to apply to object.");
|
||||
|
||||
but=uiDefBut(block, TEX, B_MODIFIER_RECALC, "VGroup: ", lx, (cy-=19), buttonWidth,19, &smd->vgroup_name, 0, 31, 0, 0, "Vertex Group name");
|
||||
uiButSetCompleteFunc(but, autocomplete_vgroup, (void *)ob);
|
||||
|
||||
uiDefIDPoinBut(block, test_obpoin_but, ID_OB, B_CHANGEDEP, "Ob: ", lx, (cy-=19), buttonWidth,19, &smd->origin, "Origin of modifier space coordinates");
|
||||
if(smd->origin != NULL)
|
||||
uiDefButBitC(block, TOG, MOD_SIMPLEDEFORM_ORIGIN_LOCAL, B_MODIFIER_RECALC, "Relative",lx,(cy-=19),buttonWidth,19, &smd->originOpts, 0, 0, 0, 0, "Sets the origin of deform space to be relative to the object");
|
||||
|
||||
uiDefButF(block, NUM, B_MODIFIER_RECALC, "Factor:", lx,(cy-=19),buttonWidth,19, &smd->factor, -10.0f, 10.0f, 0.5f, 0, "Deform Factor");
|
||||
|
||||
uiDefButF(block, NUM, B_MODIFIER_RECALC, "Upper Limit:", lx,(cy-=19),buttonWidth,19, &smd->limit[1], 0.0f, 1.0f, 5.0f, 0, "Upper Limit for deform");
|
||||
uiDefButF(block, NUM, B_MODIFIER_RECALC, "Lower Limit:", lx,(cy-=19),buttonWidth,19, &smd->limit[0], 0.0f, 1.0f, 5.0f, 0, "Lower Limit for deform");
|
||||
|
||||
if(smd->mode == MOD_SIMPLEDEFORM_MODE_STRETCH
|
||||
|| smd->mode == MOD_SIMPLEDEFORM_MODE_TAPER )
|
||||
{
|
||||
uiDefButBitC(block, TOG, MOD_SIMPLEDEFORM_LOCK_AXIS_X, B_MODIFIER_RECALC, "Loc X", lx, (cy-=19),buttonWidth/2,19, &smd->axis, 0, 0, 0, 0, "Disallow changes on the X coordinate");
|
||||
uiDefButBitC(block, TOG, MOD_SIMPLEDEFORM_LOCK_AXIS_Y, B_MODIFIER_RECALC, "Loc Y", lx+(buttonWidth/2), (cy),buttonWidth/2,19, &smd->axis, 0, 0, 0, 0, "Disallow changes on the Y coordinate");
|
||||
}
|
||||
}
|
||||
|
||||
uiBlockEndAlign(block);
|
||||
|
||||
Loading…
Reference in New Issue
Block a user