static void view3d_select_loop(ViewContext *vc, Scene *scene, View3D *v3d, ARegion *ar, bool use_obedit_skip)
{
short code = 1;
char dt;
short dtx;
if (vc->obedit && vc->obedit->type == OB_MBALL) {
draw_object(scene, ar, v3d, BASACT, DRAW_PICKING | DRAW_CONSTCOLOR);
}
else if ((vc->obedit && vc->obedit->type == OB_ARMATURE)) {
/* if not drawing sketch, draw bones */
if (!BDR_drawSketchNames(vc)) {
draw_object(scene, ar, v3d, BASACT, DRAW_PICKING | DRAW_CONSTCOLOR);
}
}
else {
Base *base;
v3d->xray = true; /* otherwise it postpones drawing */
for (base = scene->base.first; base; base = base->next) {
if (base->lay & v3d->lay) {
if ((base->object->restrictflag & OB_RESTRICT_SELECT) ||
(use_obedit_skip && (scene->obedit->data == base->object->data)))
{
base->selcol = 0;
}
else {
base->selcol = code;
if (GPU_select_load_id(code)) {
draw_object(scene, ar, v3d, base, DRAW_PICKING | DRAW_CONSTCOLOR);
/* we draw duplicators for selection too */
if ((base->object->transflag & OB_DUPLI)) {
ListBase *lb;
DupliObject *dob;
Base tbase;
tbase.flag = OB_FROMDUPLI;
lb = object_duplilist(G.main->eval_ctx, scene, base->object);
for (dob = lb->first; dob; dob = dob->next) {
float omat[4][4];
tbase.object = dob->ob;
copy_m4_m4(omat, dob->ob->obmat);
copy_m4_m4(dob->ob->obmat, dob->mat);
/* extra service: draw the duplicator in drawtype of parent */
/* MIN2 for the drawtype to allow bounding box objects in groups for lods */
dt = tbase.object->dt; tbase.object->dt = MIN2(tbase.object->dt, base->object->dt);
dtx = tbase.object->dtx; tbase.object->dtx = base->object->dtx;
draw_object(scene, ar, v3d, &tbase, DRAW_PICKING | DRAW_CONSTCOLOR);
tbase.object->dt = dt;
tbase.object->dtx = dtx;
copy_m4_m4(dob->ob->obmat, omat);
}
free_object_duplilist(lb);
}
}
code++;
}
}
}
v3d->xray = false; /* restore */
}
}
/* Warning: be sure to account for a negative return value
* This is an error, "Too many objects in select buffer"
* and no action should be taken (can crash blender) if this happens
*/
short view3d_opengl_select(ViewContext *vc, unsigned int *buffer, unsigned int bufsize, rcti *input)
{
Scene *scene= vc->scene;
View3D *v3d= vc->v3d;
ARegion *ar= vc->ar;
rctf rect;
short code, hits;
char dt, dtx;
G.f |= G_PICKSEL;
/* case not a border select */
if(input->xmin==input->xmax) {
rect.xmin= input->xmin-12; // seems to be default value for bones only now
rect.xmax= input->xmin+12;
rect.ymin= input->ymin-12;
rect.ymax= input->ymin+12;
}
else {
rect.xmin= input->xmin;
rect.xmax= input->xmax;
rect.ymin= input->ymin;
rect.ymax= input->ymax;
}
setwinmatrixview3d(ar, v3d, &rect);
mult_m4_m4m4(vc->rv3d->persmat, vc->rv3d->winmat, vc->rv3d->viewmat);
if(v3d->drawtype > OB_WIRE) {
v3d->zbuf= TRUE;
glEnable(GL_DEPTH_TEST);
}
if(vc->rv3d->rflag & RV3D_CLIPPING)
view3d_set_clipping(vc->rv3d);
glSelectBuffer( bufsize, (GLuint *)buffer);
glRenderMode(GL_SELECT);
glInitNames(); /* these two calls whatfor? It doesnt work otherwise */
glPushName(-1);
code= 1;
if(vc->obedit && vc->obedit->type==OB_MBALL) {
draw_object(scene, ar, v3d, BASACT, DRAW_PICKING|DRAW_CONSTCOLOR);
}
else if((vc->obedit && vc->obedit->type==OB_ARMATURE)) {
/* if not drawing sketch, draw bones */
if(!BDR_drawSketchNames(vc)) {
draw_object(scene, ar, v3d, BASACT, DRAW_PICKING|DRAW_CONSTCOLOR);
}
}
else {
Base *base;
v3d->xray= TRUE; // otherwise it postpones drawing
for(base= scene->base.first; base; base= base->next) {
if(base->lay & v3d->lay) {
if (base->object->restrictflag & OB_RESTRICT_SELECT)
base->selcol= 0;
else {
base->selcol= code;
glLoadName(code);
draw_object(scene, ar, v3d, base, DRAW_PICKING|DRAW_CONSTCOLOR);
/* we draw group-duplicators for selection too */
if((base->object->transflag & OB_DUPLI) && base->object->dup_group) {
ListBase *lb;
DupliObject *dob;
Base tbase;
tbase.flag= OB_FROMDUPLI;
lb= object_duplilist(scene, base->object);
for(dob= lb->first; dob; dob= dob->next) {
tbase.object= dob->ob;
copy_m4_m4(dob->ob->obmat, dob->mat);
/* extra service: draw the duplicator in drawtype of parent */
/* MIN2 for the drawtype to allow bounding box objects in groups for lods */
dt= tbase.object->dt; tbase.object->dt= MIN2(tbase.object->dt, base->object->dt);
dtx= tbase.object->dtx; tbase.object->dtx= base->object->dtx;
draw_object(scene, ar, v3d, &tbase, DRAW_PICKING|DRAW_CONSTCOLOR);
tbase.object->dt= dt;
tbase.object->dtx= dtx;
copy_m4_m4(dob->ob->obmat, dob->omat);
}
free_object_duplilist(lb);
}
code++;
}
}
}
v3d->xray= FALSE; // restore
}
glPopName(); /* see above (pushname) */
hits= glRenderMode(GL_RENDER);
G.f &= ~G_PICKSEL;
setwinmatrixview3d(ar, v3d, NULL);
mult_m4_m4m4(vc->rv3d->persmat, vc->rv3d->winmat, vc->rv3d->viewmat);
if(v3d->drawtype > OB_WIRE) {
v3d->zbuf= 0;
glDisable(GL_DEPTH_TEST);
}
// XXX persp(PERSP_WIN);
if(vc->rv3d->rflag & RV3D_CLIPPING)
view3d_clr_clipping();
if(hits<0) printf("Too many objects in select buffer\n"); // XXX make error message
return hits;
}
