Mesh Select: use select context instead of static structs

This patch does not bring any functional change, but it does expose
some utilities that can be very useful to correct occlusion and
performance problems of Circle Select and similar.
Creating a selection context still makes it easier to track issues.

1 files changed, 10 insertions, 0 deletions

diff --git a/source/blender/editors/include/ED_mesh.h b/source/blender/editors/include/ED_mesh.h
index 29bf8115a39..4e6bf7d4df5 100644
--- a/source/blender/editors/include/ED_mesh.h
+++ b/source/blender/editors/include/ED_mesh.h
@@ -142,6 +142,16 @@ bool BMBVH_EdgeVisible(struct BMBVHTree *tree,
 void ED_mesh_undosys_type(struct UndoType *ut);
 
 /* editmesh_select.c */
+struct EDBMSelectID_Context;
+struct EDBMSelectID_Context *EDBM_select_id_context_create(struct ViewContext *vc,
+                                                           struct Base **bases,
+                                                           const uint bases_len,
+                                                           short select_mode);
+void EDBM_select_id_context_destroy(struct EDBMSelectID_Context *sel_id_ctx);
+struct BMElem *EDBM_select_id_bm_elem_get(struct EDBMSelectID_Context *sel_id_ctx,
+                                          const uint sel_id,
+                                          uint *r_base_index);
+
 void EDBM_select_mirrored(
     struct BMEditMesh *em, const int axis, const bool extend, int *r_totmirr, int *r_totfail);
 void EDBM_automerge(struct Scene *scene, struct Object *ob, bool update, const char hflag);