[Bf-blender-cvs] SVN commit: /data/svn/bf-blender [43708] branches/bmesh/blender/source/ blender/bmesh/operators/createops.c: correct comments

[Campbell Barton]

Revision: 43708
          http://projects.blender.org/scm/viewvc.php?view=rev&root=bf-blender&revision=43708
Author:   campbellbarton
Date:     2012-01-26 06:39:51 +0000 (Thu, 26 Jan 2012)
Log Message:
-----------
correct comments

Modified Paths:
--------------
    branches/bmesh/blender/source/blender/bmesh/operators/createops.c

Modified: branches/bmesh/blender/source/blender/bmesh/operators/createops.c
===================================================================
--- branches/bmesh/blender/source/blender/bmesh/operators/createops.c	2012-01-26 06:26:17 UTC (rev 43707)
+++ branches/bmesh/blender/source/blender/bmesh/operators/createops.c	2012-01-26 06:39:51 UTC (rev 43708)
@@ -1225,6 +1225,7 @@
 
 
 		BMO_ITER(v, &oiter, bm, op, "geom", BM_VERT) {
+			/* count how many flagged edges this vertex uses */
 			int tot_edges = 0;
 			BM_ITER(e, &iter, bm, BM_EDGES_OF_VERT, v) {
 				if (BMO_TestFlag(bm, e, ELE_NEW)) {
@@ -1238,18 +1239,18 @@
 			if (tot_edges == 0) {
 				/* only accept 1 free vert */
 				if (v_free == NULL)  v_free = v;
-				else                 ok = FALSE;
+				else                 ok = FALSE;  /* only ever want one of these */
 			}
 			else if (tot_edges == 1) {
 				if (v_a == NULL)       v_a = v;
 				else if (v_b == NULL)  v_b = v;
-				else                   ok = FALSE;
+				else                   ok = FALSE;  /* only ever want 2 of these */
 			}
 			else if (tot_edges == 2) {
-				/* do nothing, common case */
+				/* do nothing, regular case */
 			}
 			else {
-				ok = FALSE;
+				ok = FALSE; /* if a vertex has 3+ edge users then cancel - this is only simple cases */
 			}
 
 			if (ok == FALSE) {
@@ -1258,7 +1259,6 @@
 		}
 
 		if (ok == TRUE && v_free && v_a && v_b) {
-			/* now find 2 verts that only have 1 edge, */
 			e = BM_Make_Edge(bm, v_free, v_a, NULL, 1);
 			BMO_SetFlag(bm, &e->head, ELE_NEW);