static BPoint *latt_bp(Lattice *lt, int u, int v, int w)
{
return <->def[LT_INDEX(lt, u, v, w)];
}
static int object_shape_key_mirror(bContext *C, Object *ob)
{
KeyBlock *kb;
Key *key;
key= ob_get_key(ob);
if(key==NULL)
return 0;
kb= BLI_findlink(&key->block, ob->shapenr-1);
if(kb) {
int i1, i2;
float *fp1, *fp2;
float tvec[3];
char *tag_elem= MEM_callocN(sizeof(char) * kb->totelem, "shape_key_mirror");
if(ob->type==OB_MESH) {
Mesh *me= ob->data;
MVert *mv;
mesh_octree_table(ob, NULL, NULL, 's');
for(i1=0, mv=me->mvert; i1<me->totvert; i1++, mv++) {
i2= mesh_get_x_mirror_vert(ob, i1);
if(i2==i1) {
fp1= ((float *)kb->data) + i1*3;
fp1[0] = -fp1[0];
tag_elem[i1]= 1;
}
else if(i2 != -1) {
if(tag_elem[i1]==0 && tag_elem[i2]==0) {
fp1= ((float *)kb->data) + i1*3;
fp2= ((float *)kb->data) + i2*3;
copy_v3_v3(tvec, fp1);
copy_v3_v3(fp1, fp2);
copy_v3_v3(fp2, tvec);
/* flip x axis */
fp1[0] = -fp1[0];
fp2[0] = -fp2[0];
}
tag_elem[i1]= tag_elem[i2]= 1;
}
}
mesh_octree_table(ob, NULL, NULL, 'e');
}
else if (ob->type == OB_LATTICE) {
Lattice *lt= ob->data;
int i1, i2;
float *fp1, *fp2;
int u, v, w;
/* half but found up odd value */
const int pntsu_half = (((lt->pntsu / 2) + (lt->pntsu % 2))) ;
/* currently editmode isnt supported by mesh so
* ignore here for now too */
/* if(lt->editlatt) lt= lt->editlatt->latt; */
for(w=0; w<lt->pntsw; w++) {
for(v=0; v<lt->pntsv; v++) {
for(u=0; u<pntsu_half; u++) {
int u_inv= (lt->pntsu - 1) - u;
float tvec[3];
if(u == u_inv) {
i1= LT_INDEX(lt, u, v, w);
fp1= ((float *)kb->data) + i1*3;
fp1[0]= -fp1[0];
}
else {
i1= LT_INDEX(lt, u, v, w);
i2= LT_INDEX(lt, u_inv, v, w);
fp1= ((float *)kb->data) + i1*3;
fp2= ((float *)kb->data) + i2*3;
copy_v3_v3(tvec, fp1);
copy_v3_v3(fp1, fp2);
copy_v3_v3(fp2, tvec);
fp1[0]= -fp1[0];
fp2[0]= -fp2[0];
}
}
}
}
}
MEM_freeN(tag_elem);
}
DAG_id_tag_update(&ob->id, OB_RECALC_DATA);
WM_event_add_notifier(C, NC_OBJECT|ND_DRAW, ob);
return 1;
}
