added rna api MVert,MFace & MEdge index properties

eg.
 for v in me.verts: print(v.index)

added calc_edges as an option eg.
  mesh.update(calc_edges=True)

This is needed when adding faces to an existing mesh which create new edges.

5 files changed, 43 insertions, 3 deletions

diff --git a/source/blender/editors/include/ED_mesh.h b/source/blender/editors/include/ED_mesh.h
index 3bceeb9340e..144d29a4405 100644
--- a/source/blender/editors/include/ED_mesh.h
+++ b/source/blender/editors/include/ED_mesh.h
@@ -195,7 +195,7 @@ void ED_mesh_geometry_add(struct Mesh *mesh, struct ReportList *reports, int ver
 void ED_mesh_transform(struct Mesh *me, float *mat);
 void ED_mesh_calc_normals(struct Mesh *me);
 void ED_mesh_material_add(struct Mesh *me, struct Material *ma);
-void ED_mesh_update(struct Mesh *mesh, struct bContext *C);
+void ED_mesh_update(struct Mesh *mesh, struct bContext *C, int calc_edges);
 
 int ED_mesh_uv_texture_add(struct bContext *C, struct Scene *scene, struct Object *ob, struct Mesh *me);
 int ED_mesh_uv_texture_remove(struct bContext *C, struct Object *ob, struct Mesh *me);
diff --git a/source/blender/editors/mesh/mesh_data.c b/source/blender/editors/mesh/mesh_data.c
index 43e1dd417a6..6ed2ca08c9c 100644
--- a/source/blender/editors/mesh/mesh_data.c
+++ b/source/blender/editors/mesh/mesh_data.c
@@ -504,9 +504,9 @@ static void mesh_calc_edges(Mesh *mesh)
 	BLI_edgehash_free(eh, NULL);
 }
 
-void ED_mesh_update(Mesh *mesh, bContext *C)
+void ED_mesh_update(Mesh *mesh, bContext *C, int calc_edges)
 {
-	if(mesh->totface && mesh->totedge == 0)
+	if(calc_edges || (mesh->totface && mesh->totedge == 0))
 		mesh_calc_edges(mesh);
 
 	mesh_calc_normals(mesh->mvert, mesh->totvert, mesh->mface, mesh->totface, NULL);
diff --git a/source/blender/makesrna/intern/rna_mesh.c b/source/blender/makesrna/intern/rna_mesh.c
index 84a1940de9d..8b67ccecc3d 100644
--- a/source/blender/makesrna/intern/rna_mesh.c
+++ b/source/blender/makesrna/intern/rna_mesh.c
@@ -732,6 +732,27 @@ static void rna_MeshFace_verts_set(PointerRNA *ptr, const int *values)
 	memcpy(&face->v1, values, (face->v4 ? 4 : 3) * sizeof(int));
 }
 
+static int rna_MeshVertex_index_get(PointerRNA *ptr)
+{
+	Mesh *me= (Mesh*)ptr->id.data;
+	MVert *vert= (MVert*)ptr->data;
+	return (int)(vert - me->mvert);
+}
+
+static int rna_MeshEdge_index_get(PointerRNA *ptr)
+{
+	Mesh *me= (Mesh*)ptr->id.data;
+	MEdge *edge= (MEdge*)ptr->data;
+	return (int)(edge - me->medge);
+}
+
+static int rna_MeshFace_index_get(PointerRNA *ptr)
+{
+	Mesh *me= (Mesh*)ptr->id.data;
+	MFace *face= (MFace*)ptr->data;
+	return (int)(face - me->mface);
+}
+
 /* path construction */
 
 static char *rna_VertexGroupElement_path(PointerRNA *ptr)
@@ -905,6 +926,11 @@ static void rna_def_mvert(BlenderRNA *brna)
 	RNA_def_property_collection_funcs(prop, "rna_MeshVertex_groups_begin", "rna_iterator_array_next", "rna_iterator_array_end", "rna_iterator_array_get", 0, 0, 0, 0, 0);
 	RNA_def_property_struct_type(prop, "VertexGroupElement");
 	RNA_def_property_ui_text(prop, "Groups", "Weights for the vertex groups this vertex is member of.");
+
+	prop= RNA_def_property(srna, "index", PROP_INT, PROP_UNSIGNED);
+	RNA_def_property_clear_flag(prop, PROP_EDITABLE);
+	RNA_def_property_int_funcs(prop, "rna_MeshVertex_index_get", NULL, NULL);
+	RNA_def_property_ui_text(prop, "Index", "Index number of the vertex.");
 }
 
 static void rna_def_medge(BlenderRNA *brna)
@@ -963,6 +989,11 @@ static void rna_def_medge(BlenderRNA *brna)
 	RNA_def_property_boolean_sdna(prop, NULL, "flag", ME_FGON);
 	RNA_def_property_clear_flag(prop, PROP_EDITABLE);
 	RNA_def_property_ui_text(prop, "Fgon", "Fgon edge");
+
+	prop= RNA_def_property(srna, "index", PROP_INT, PROP_UNSIGNED);
+	RNA_def_property_clear_flag(prop, PROP_EDITABLE);
+	RNA_def_property_int_funcs(prop, "rna_MeshEdge_index_get", NULL, NULL);
+	RNA_def_property_ui_text(prop, "Index", "Index number of the vertex.");
 }
 
 static void rna_def_mface(BlenderRNA *brna)
@@ -1017,6 +1048,11 @@ static void rna_def_mface(BlenderRNA *brna)
 	RNA_def_property_clear_flag(prop, PROP_EDITABLE);
 	RNA_def_property_float_funcs(prop, "rna_MeshFace_normal_get", NULL, NULL);
 	RNA_def_property_ui_text(prop, "face normal", "local space unit length normal vector for this face");
+
+	prop= RNA_def_property(srna, "index", PROP_INT, PROP_UNSIGNED);
+	RNA_def_property_clear_flag(prop, PROP_EDITABLE);
+	RNA_def_property_int_funcs(prop, "rna_MeshFace_index_get", NULL, NULL);
+	RNA_def_property_ui_text(prop, "Index", "Index number of the vertex.");
 }
 
 static void rna_def_mtface(BlenderRNA *brna)
diff --git a/source/blender/makesrna/intern/rna_mesh_api.c b/source/blender/makesrna/intern/rna_mesh_api.c
index 3da0e1e6fd4..52ff98f66f0 100644
--- a/source/blender/makesrna/intern/rna_mesh_api.c
+++ b/source/blender/makesrna/intern/rna_mesh_api.c
@@ -72,6 +72,7 @@ void RNA_api_mesh(StructRNA *srna)
 	RNA_def_function_ui_description(func, "Calculate vertex normals.");
 
 	func= RNA_def_function(srna, "update", "ED_mesh_update");
+	RNA_def_boolean(func, "calc_edges", 0, "Calculate Edges", "Force recalculation of edges.");
 	RNA_def_function_flag(func, FUNC_USE_CONTEXT);
 
 	func= RNA_def_function(srna, "add_material", "ED_mesh_material_add");
diff --git a/source/blender/python/intern/bpy_interface.c b/source/blender/python/intern/bpy_interface.c
index d0829acd6cc..9e76c1d03aa 100644
--- a/source/blender/python/intern/bpy_interface.c
+++ b/source/blender/python/intern/bpy_interface.c
@@ -241,6 +241,9 @@ static PyObject *CreateGlobalDictionary( bContext *C )
 			{"IntProperty", (PyCFunction)BPy_IntProperty, METH_VARARGS|METH_KEYWORDS, ""},
 			{"BoolProperty", (PyCFunction)BPy_BoolProperty, METH_VARARGS|METH_KEYWORDS, ""},
 			{"StringProperty", (PyCFunction)BPy_StringProperty, METH_VARARGS|METH_KEYWORDS, ""},
+			{"EnumProperty", (PyCFunction)BPy_EnumProperty, METH_VARARGS|METH_KEYWORDS, ""},
+			{"PointerProperty", (PyCFunction)BPy_PointerProperty, METH_VARARGS|METH_KEYWORDS, ""},
+			{"CollectionProperty", (PyCFunction)BPy_CollectionProperty, METH_VARARGS|METH_KEYWORDS, ""},
 			{NULL, NULL, 0, NULL}
 		};