From 116320cc0dc508d2759c422f1ba96c0c48a00ccd Mon Sep 17 00:00:00 2001
From: Marc Zinnschlag <marc@zpages.de>
Date: Mon, 8 Jul 2013 17:13:58 +0200
Subject: [PATCH] dealing with invalid regions and cells without regions

---
 apps/opencs/model/world/regionmap.cpp | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/apps/opencs/model/world/regionmap.cpp b/apps/opencs/model/world/regionmap.cpp
index 01ec979d29..6dd3148d52 100644
--- a/apps/opencs/model/world/regionmap.cpp
+++ b/apps/opencs/model/world/regionmap.cpp
@@ -130,6 +130,11 @@ QVariant CSMWorld::RegionMap::data (const QModelIndex& index, int role) const
                 return QBrush (
                     QColor (iter->second>>24, (iter->second>>16) & 255, (iter->second>>8) & 255,
                     iter->second & 255));
+
+            if (cell->second.empty())
+                return QBrush (Qt::Dense6Pattern); // no region
+
+            return QBrush (Qt::red, Qt::Dense6Pattern);
         }
 
         return QBrush (Qt::DiagCrossPattern);