[Bf-blender-cvs] [fa32cde] master: BMesh: boolean wasn't ignoring hidden faces

[Campbell Barton]

Commit: fa32cde8a82c2c1b3ada9387f5833586a42a4965
Author: Campbell Barton
Date:   Sat Dec 12 00:51:45 2015 +1100
Branches: master
https://developer.blender.org/rBfa32cde8a82c2c1b3ada9387f5833586a42a4965

BMesh: boolean wasn't ignoring hidden faces

Needed for editmode use

===================================================================

M	source/blender/bmesh/tools/bmesh_intersect.c

===================================================================

diff --git a/source/blender/bmesh/tools/bmesh_intersect.c b/source/blender/bmesh/tools/bmesh_intersect.c
index 3398422..5ff0fcd 100644
--- a/source/blender/bmesh/tools/bmesh_intersect.c
+++ b/source/blender/bmesh/tools/bmesh_intersect.c
@@ -1554,7 +1554,12 @@ bool BM_mesh_intersect(
 				BMFace *f = ftable[groups_array[fg]];
 				float co[3];
 				int hits;
-				int side = test_fn(f, user_data) == 0;
+				int side = test_fn(f, user_data);
+
+				if (side == -1) {
+					continue;
+				}
+				BLI_assert(ELEM(side, 0, 1));
 
 				// BM_face_calc_center_mean(f, co);
 				BM_face_calc_point_in_face(f, co);