[Bf-blender-cvs] [6b9d496] blender-v2.76-release: prevent assert: select-linked UV delimit w/o UV's

[Campbell Barton]

Commit: 6b9d496aa5ef2184df90a8a93a32195071e301c0
Author: Campbell Barton
Date:   Tue Sep 22 23:51:34 2015 +1000
Branches: blender-v2.76-release
https://developer.blender.org/rB6b9d496aa5ef2184df90a8a93a32195071e301c0

prevent assert: select-linked UV delimit w/o UV's

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

M	source/blender/editors/mesh/editmesh_select.c

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

diff --git a/source/blender/editors/mesh/editmesh_select.c b/source/blender/editors/mesh/editmesh_select.c
index 112edef..7f22ff7 100644
--- a/source/blender/editors/mesh/editmesh_select.c
+++ b/source/blender/editors/mesh/editmesh_select.c
@@ -2389,6 +2389,15 @@ static bool select_linked_delimit_test(
 	return false;
 }
 
+static void select_linked_delimit_validate(BMesh *bm, int *delimit)
+{
+	if ((*delimit) & BMO_DELIM_UV) {
+		if (!CustomData_has_layer(&bm->ldata, CD_MLOOPUV)) {
+			(*delimit) &= ~BMO_DELIM_UV;
+		}
+	}
+}
+
 static void select_linked_delimit_begin(BMesh *bm, short selectmode, int delimit)
 {
 	struct DelimitData delimit_data = {0};
@@ -2441,7 +2450,9 @@ static int edbm_select_linked_exec(bContext *C, wmOperator *op)
 	BMIter iter;
 	BMWalker walker;
 
-	const int delimit = RNA_enum_get(op->ptr, "delimit");
+	int delimit = RNA_enum_get(op->ptr, "delimit");
+
+	select_linked_delimit_validate(bm, &delimit);
 
 	if (delimit) {
 		select_linked_delimit_begin(em->bm, em->selectmode, delimit);
@@ -2607,6 +2618,8 @@ static void edbm_select_linked_pick_ex(
 	BMesh *bm = em->bm;
 	BMWalker walker;
 
+	select_linked_delimit_validate(bm, &delimit);
+
 	if (delimit) {
 		select_linked_delimit_begin(bm, em->selectmode, delimit);
 	}