From c43c000109fb0f3197bbe2609e0a24952ccb4eba Mon Sep 17 00:00:00 2001
From: biwa <6475593+biwa@users.noreply.github.com>
Date: Sat, 13 Jun 2020 00:30:58 +0200
Subject: [PATCH] Draw Grid Mode: fixed a crash that happened when having
 locking slices to grid enabled

---
 Source/Plugins/BuilderModes/ClassicModes/DrawGridMode.cs | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/Source/Plugins/BuilderModes/ClassicModes/DrawGridMode.cs b/Source/Plugins/BuilderModes/ClassicModes/DrawGridMode.cs
index da4a4300a..8f3388067 100755
--- a/Source/Plugins/BuilderModes/ClassicModes/DrawGridMode.cs
+++ b/Source/Plugins/BuilderModes/ClassicModes/DrawGridMode.cs
@@ -360,12 +360,12 @@ namespace CodeImp.DoomBuilder.BuilderModes
 
 				case GridLockMode.VERTICAL:
 					slicesH = horizontalslices;
-					slicesV = height / General.Map.Grid.GridSize;
+					slicesV = Math.Abs(height / General.Map.Grid.GridSize);
 					break;
 
 				case GridLockMode.BOTH:
-					slicesH = width / General.Map.Grid.GridSize;
-					slicesV = height / General.Map.Grid.GridSize;
+					slicesH = Math.Abs(width / General.Map.Grid.GridSize);
+					slicesV = Math.Abs(height / General.Map.Grid.GridSize);
 					break;
 			}
 
-- 
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