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Hiding support for dynamic topology

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This commit is contained in:
Nicholas Bishop 2012-12-30 18:29:56 +00:00
parent bbaeac3bf8
commit 6ded71fb62
1 changed files with 72 additions and 0 deletions
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72
source/blender/editors/sculpt_paint/paint_hide.c
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@ -232,6 +232,75 @@ static void partialvis_update_grids(Object *ob,
}
}
static void partialvis_update_bmesh_verts(BMesh *bm,
GHash *verts,
PartialVisAction action,
PartialVisArea area,
float planes[4][4],
int *any_changed,
int *any_visible)
{
GHashIterator gh_iter;
GHASH_ITER (gh_iter, verts) {
BMVert *v = BLI_ghashIterator_getKey(&gh_iter);
float *vmask = CustomData_bmesh_get(&bm->vdata,
v->head.data,
CD_PAINT_MASK);
/* hide vertex if in the hide volume */
if (is_effected(area, planes, v->co, *vmask)) {
if (action == PARTIALVIS_HIDE)
BM_elem_flag_enable(v, BM_ELEM_HIDDEN);
else
BM_elem_flag_disable(v, BM_ELEM_HIDDEN);
(*any_changed) = TRUE;
}
if (!BM_elem_flag_test(v, BM_ELEM_HIDDEN))
(*any_visible) = TRUE;
}
}
static void partialvis_update_bmesh(Object *ob,
PBVH *pbvh,
PBVHNode *node,
PartialVisAction action,
PartialVisArea area,
float planes[4][4])
{
BMesh *bm;
GHash *unique, *other;
int any_changed = 0, any_visible = 0;
bm = BLI_pbvh_get_bmesh(pbvh);
unique = BLI_pbvh_bmesh_node_unique_verts(node);
other = BLI_pbvh_bmesh_node_other_verts(node);
sculpt_undo_push_node(ob, node, SCULPT_UNDO_HIDDEN);
partialvis_update_bmesh_verts(bm,
unique,
action,
area,
planes,
&any_changed,
&any_visible);
partialvis_update_bmesh_verts(bm,
other,
action,
area,
planes,
&any_changed,
&any_visible);
if (any_changed) {
BLI_pbvh_node_mark_rebuild_draw(node);
BLI_pbvh_node_fully_hidden_set(node, !any_visible);
}
}
static void rect_from_props(rcti *rect, PointerRNA *ptr)
{
rect->xmin = RNA_int_get(ptr, "xmin");
@ -330,6 +399,9 @@ static int hide_show_exec(bContext *C, wmOperator *op)
case PBVH_GRIDS:
partialvis_update_grids(ob, pbvh, nodes[i], action, area, clip_planes);
break;
case PBVH_BMESH:
partialvis_update_bmesh(ob, pbvh, nodes[i], action, area, clip_planes);
break;
}
}