From b210e99abc047f9c448584c8b507d5e9dd7d2f66 Mon Sep 17 00:00:00 2001
From: Andrei Kortunov <andrei.kortunov@yandex.ru>
Date: Thu, 14 Nov 2019 17:43:21 +0400
Subject: [PATCH] Avoid divizion by zero

---
 apps/opencs/view/render/terrainshapemode.cpp | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/apps/opencs/view/render/terrainshapemode.cpp b/apps/opencs/view/render/terrainshapemode.cpp
index 44f359c015..d356df8f39 100644
--- a/apps/opencs/view/render/terrainshapemode.cpp
+++ b/apps/opencs/view/render/terrainshapemode.cpp
@@ -1418,8 +1418,12 @@ void CSVRender::TerrainShapeMode::setBrushShape(CSVWidget::BrushShape brushShape
             selectionCenterY = selectionCenterY + value.second;
             ++selectionAmount;
         }
-        selectionCenterX = selectionCenterX / selectionAmount;
-        selectionCenterY = selectionCenterY / selectionAmount;
+
+        if (selectionAmount != 0)
+        {
+            selectionCenterX /= selectionAmount;
+            selectionCenterY /= selectionAmount;
+        }
 
         mCustomBrushShape.clear();
         std::pair<int, int> differentialPos {};