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bmesh: Pressing Fkey when a face cant be made falls back to the selection history and creates edges in the order of verts selected, pressing F again will make an NGon.

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(fun feature while our bug tracker is down)
This commit is contained in:
Campbell Barton
2012-03-13 02:18:46 +00:00
parent a97825dfd7
commit d25dc3b872
1 changed files with 45 additions and 0 deletions
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45
source/blender/bmesh/operators/bmo_create.c
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@@ -1428,4 +1428,49 @@ void bmo_contextual_create_exec(BMesh *bm, BMOperator *op)
BMO_elem_flag_enable(bm, f, ELE_OUT);
}
}
else {
/* tricky feature for making a line/edge from selection history...
*
* Rather then do nothing, when 5+ verts are selected, check if they are in our history,
* when this is so, we can make edges from them, but _not_ a face,
* if it is the intention to make a face the user can just hit F again since there will be edges next
* time around.
*
* if all history verts have ELE_NEW flagged and the total number of history verts == totv,
* then we know the history contains all verts here and we can continue...
*/
BMEditSelection *ese;
int tot_ese_v = 0;
for (ese = bm->selected.first; ese; ese = ese->next) {
if (ese->htype == BM_VERT) {
if (BMO_elem_flag_test(bm, (BMElemF *)ese->ele, ELE_NEW)) {
tot_ese_v++;
}
else {
/* unflagged vert means we are not in sync */
tot_ese_v = -1;
break;
}
}
}
if (tot_ese_v == totv) {
BMVert *v_prev = NULL;
/* yes, all select-history verts are accounted for, now make edges */
for (ese = bm->selected.first; ese; ese = ese->next) {
if (ese->htype == BM_VERT) {
v = (BMVert *)ese->ele;
if (v_prev) {
e = BM_edge_create(bm, v, v_prev, NULL, TRUE);
BMO_elem_flag_enable(bm, e, ELE_OUT);
}
v_prev = v;
}
}
}
/* done creating edges */
}
}