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My first DerivedMesh code! :)

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Bugfix #3002: Using 'calc weights from envelope' WKey in weightpaint mode
now uses the subsurfered vertex coordinates to calculate weights.
This commit is contained in:
Ton Roosendaal 2005-09-11 13:02:55 +00:00
parent 7939735887
commit 6cff3258d5
1 changed files with 53 additions and 22 deletions
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75
source/blender/src/poseobject.c
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@ -49,6 +49,7 @@
#include "BKE_constraint.h"
#include "BKE_deform.h"
#include "BKE_depsgraph.h"
#include "BKE_DerivedMesh.h"
#include "BKE_displist.h"
#include "BKE_global.h"
#include "BKE_object.h"
@ -576,19 +577,50 @@ void paste_posebuf (int flip)
/* ********************************************** */
struct vgroup_map {
float head[3], tail[3];
Bone *bone;
bDeformGroup *dg;
Object *meshobj;
};
static void pose_adds_vgroups__mapFunc(void *userData, int index, float *co, float *no_f, short *no_s)
{
struct vgroup_map *map= userData;
float vec[3], fac;
VECCOPY(vec, co);
Mat4MulVecfl(map->meshobj->obmat, vec);
/* get the distance-factor from the vertex to bone */
fac= distfactor_to_bone (vec, map->head, map->tail, map->bone->rad_head, map->bone->rad_tail, map->bone->dist);
/* add to vgroup. this call also makes me->dverts */
if(fac!=0.0f)
add_vert_to_defgroup (map->meshobj, map->dg, index, fac, WEIGHT_REPLACE);
else
remove_vert_defgroup (map->meshobj, map->dg, index);
}
void pose_adds_vgroups(Object *meshobj)
{
struct vgroup_map map;
DerivedMesh *dm;
Object *poseobj= meshobj->parent;
bPoseChannel *pchan;
Bone *bone;
bDeformGroup *dg;
Mesh *me= meshobj->data;
MVert *mvert;
float head[3], tail[3], vec[3], fac;
int i;
int DMneedsFree;
if(poseobj==NULL || (poseobj->flag & OB_POSEMODE)==0) return;
dm = mesh_get_derived_final(meshobj, &DMneedsFree);
map.meshobj= meshobj;
for(pchan= poseobj->pose->chanbase.first; pchan; pchan= pchan->next) {
bone= pchan->bone;
if(bone->flag & (BONE_SELECTED)) {
@ -599,31 +631,30 @@ void pose_adds_vgroups(Object *meshobj)
dg= add_defgroup_name(meshobj, bone->name);
/* get the root of the bone in global coords */
VECCOPY(head, bone->arm_head);
Mat4MulVecfl(poseobj->obmat, head);
VECCOPY(map.head, bone->arm_head);
Mat4MulVecfl(poseobj->obmat, map.head);
/* get the tip of the bone in global coords */
VECCOPY(tail, bone->arm_tail);
Mat4MulVecfl(poseobj->obmat, tail);
VECCOPY(map.tail, bone->arm_tail);
Mat4MulVecfl(poseobj->obmat, map.tail);
/* todo; get the optimal vertices instead of mverts */
mvert= me->mvert;
for ( i=0 ; i < me->totvert ; i++ , mvert++) {
VECCOPY(vec, mvert->co);
Mat4MulVecfl(meshobj->obmat, vec);
/* use the optimal vertices instead of mverts */
map.dg= dg;
map.bone= bone;
if(dm->foreachMappedVert)
dm->foreachMappedVert(dm, pose_adds_vgroups__mapFunc, (void*) &map);
else {
Mesh *me= meshobj->data;
int i;
for(i=0; i<me->totvert; i++)
pose_adds_vgroups__mapFunc(&map, i, (me->mvert+i)->co, NULL, NULL);
}
/* get the distance-factor from the vertex to bone */
fac= distfactor_to_bone (vec, head, tail, bone->rad_head, bone->rad_tail, bone->dist);
/* add to vgroup. this call also makes me->dverts */
if(fac!=0.0f)
add_vert_to_defgroup (meshobj, dg, i, fac, WEIGHT_REPLACE);
else
remove_vert_defgroup (meshobj, dg, i);
}
}
}
if (DMneedsFree) dm->release(dm);
allqueue(REDRAWVIEW3D, 0);
allqueue(REDRAWBUTSEDIT, 0);