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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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* ***** END GPL LICENSE BLOCK *****
*/
/** \file blender/blenkernel/intern/object_deform.c
* \ingroup bke
*/
#include <stdlib.h>
#include <string.h>
#include "MEM_guardedalloc.h"
#include "BLI_utildefines.h"
#include "BLI_ghash.h"
#include "BKE_action.h"
#include "BKE_object_deform.h" /* own include */
#include "BKE_object.h"
#include "BKE_modifier.h"
#include "DNA_armature_types.h"
#include "DNA_modifier_types.h"
#include "DNA_object_types.h"
/* --- functions for getting vgroup aligned maps --- */
/**
* gets the status of "flag" for each bDeformGroup
* in ob->defbase and returns an array containing them
*/
bool *BKE_objdef_lock_flags_get(Object *ob, const int defbase_tot)
{
bool is_locked = false;
int i;
//int defbase_tot = BLI_countlist(&ob->defbase);
bool *lock_flags = MEM_mallocN(defbase_tot * sizeof(bool), "defflags");
bDeformGroup *defgroup;
for (i = 0, defgroup = ob->defbase.first; i < defbase_tot && defgroup; defgroup = defgroup->next, i++) {
lock_flags[i] = ((defgroup->flag & DG_LOCK_WEIGHT) != 0);
is_locked |= lock_flags[i];
}
if (is_locked) {
return lock_flags;
}
MEM_freeN(lock_flags);
return NULL;
}
bool *BKE_objdef_validmap_get(Object *ob, const int defbase_tot)
{
bDeformGroup *dg;
ModifierData *md;
bool *vgroup_validmap;
GHash *gh;
int i, step1 = 1;
//int defbase_tot = BLI_countlist(&ob->defbase);
if (ob->defbase.first == NULL) {
return NULL;
}
gh = BLI_ghash_str_new("BKE_objdef_validmap_get gh");
/* add all names to a hash table */
for (dg = ob->defbase.first; dg; dg = dg->next) {
BLI_ghash_insert(gh, dg->name, NULL);
}
BLI_assert(BLI_ghash_size(gh) == defbase_tot);
/* now loop through the armature modifiers and identify deform bones */
for (md = ob->modifiers.first; md; md = !md->next && step1 ? (step1 = 0), modifiers_getVirtualModifierList(ob) : md->next) {
if (!(md->mode & (eModifierMode_Realtime | eModifierMode_Virtual)))
continue;
if (md->type == eModifierType_Armature) {
ArmatureModifierData *amd = (ArmatureModifierData *) md;
if (amd->object && amd->object->pose) {
bPose *pose = amd->object->pose;
bPoseChannel *chan;
for (chan = pose->chanbase.first; chan; chan = chan->next) {
if (chan->bone->flag & BONE_NO_DEFORM)
continue;
if (BLI_ghash_remove(gh, chan->name, NULL, NULL)) {
BLI_ghash_insert(gh, chan->name, SET_INT_IN_POINTER(1));
}
}
}
}
}
vgroup_validmap = MEM_mallocN(sizeof(*vgroup_validmap) * defbase_tot, "wpaint valid map");
/* add all names to a hash table */
for (dg = ob->defbase.first, i = 0; dg; dg = dg->next, i++) {
vgroup_validmap[i] = (BLI_ghash_lookup(gh, dg->name) != NULL);
}
BLI_assert(i == BLI_ghash_size(gh));
BLI_ghash_free(gh, NULL, NULL);
return vgroup_validmap;
}
/* Returns total selected vgroups,
* wpi.defbase_sel is assumed malloc'd, all values are set */
bool *BKE_objdef_selected_get(Object *ob, int defbase_tot, int *r_dg_flags_sel_tot)
{
bool *dg_selection = MEM_mallocN(defbase_tot * sizeof(bool), __func__);
bDeformGroup *defgroup;
unsigned int i;
Object *armob = BKE_object_pose_armature_get(ob);
(*r_dg_flags_sel_tot) = 0;
if (armob) {
bPose *pose = armob->pose;
for (i = 0, defgroup = ob->defbase.first; i < defbase_tot && defgroup; defgroup = defgroup->next, i++) {
bPoseChannel *pchan = BKE_pose_channel_find_name(pose, defgroup->name);
if (pchan && (pchan->bone->flag & BONE_SELECTED)) {
dg_selection[i] = TRUE;
(*r_dg_flags_sel_tot) += 1;
}
else {
dg_selection[i] = FALSE;
}
}
}
else {
memset(dg_selection, FALSE, sizeof(char) * defbase_tot);
}
return dg_selection;
}
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