From 079c77ff22b76b18305e5ee51903fbed927a0a59 Mon Sep 17 00:00:00 2001
From: Andrei Kortunov <andrei.kortunov@yandex.ru>
Date: Wed, 13 Nov 2019 14:57:22 +0400
Subject: [PATCH] Avoid zero division

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

diff --git a/apps/opencs/view/render/terraintexturemode.cpp b/apps/opencs/view/render/terraintexturemode.cpp
index 6d682150a..40dfc9474 100644
--- a/apps/opencs/view/render/terraintexturemode.cpp
+++ b/apps/opencs/view/render/terraintexturemode.cpp
@@ -730,8 +730,12 @@ void CSVRender::TerrainTextureMode::setBrushShape(int brushShape)
             selectionCenterY += value.second;
             ++selectionAmount;
         }
-        selectionCenterX /= selectionAmount;
-        selectionCenterY /= selectionAmount;
+
+        if (selectionAmount != 0)
+        {
+            selectionCenterX /= selectionAmount;
+            selectionCenterY /= selectionAmount;
+        }
 
         mCustomBrushShape.clear();
         for (auto const& value: terrainSelection)