Fix connect-vertices failing for concave ngons

Also add:
- generic callback for bmesh elements.
- ability to pass an existing array to a bmesh operator.

1 files changed, 44 insertions, 0 deletions

diff --git a/source/blender/bmesh/intern/bmesh_callback_generic.h b/source/blender/bmesh/intern/bmesh_callback_generic.h
new file mode 100644
index 00000000000..8c46128f3b0
--- /dev/null
+++ b/source/blender/bmesh/intern/bmesh_callback_generic.h
@@ -0,0 +1,44 @@
+/*
+ * ***** BEGIN GPL LICENSE BLOCK *****
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ * ***** END GPL LICENSE BLOCK *****
+ */
+
+#ifndef __BMESH_CALLBACK_GENERIC_H__
+#define __BMESH_CALLBACK_GENERIC_H__
+
+/** \file blender/bmesh/intern/bmesh_callback_generic.h
+ *  \ingroup bmesh
+ */
+
+bool BM_elem_cb_check_hflag_enabled(BMElem *, void *user_data);
+bool BM_elem_cb_check_hflag_disabled(BMElem *, void *user_data);
+bool BM_elem_cb_check_hflag_ex(BMElem *, void *user_data);
+
+#define BM_elem_cb_check_hflag_ex_simple(type, hflag_p, hflag_n) \
+	(bool (*)(type, void *))BM_elem_cb_check_hflag_ex, \
+	SET_UINT_IN_POINTER(((hflag_p) | (hflag_n << 8)))
+
+#define BM_elem_cb_check_hflag_enabled_simple(type, hflag_p) \
+	(bool (*)(type, void *))BM_elem_cb_check_hflag_enabled, \
+	SET_UINT_IN_POINTER((hflag_p))
+
+#define BM_elem_cb_check_hflag_disabled_simple(type, hflag_n) \
+	(bool (*)(type, void *))BM_elem_cb_check_hflag_disabled, \
+	SET_UINT_IN_POINTER(hflag_n)
+
+#endif /* __BMESH_CALLBACK_GENERIC_H__ */