From 601d741b7ee94eac8e555ff971b88a2327aa9b54 Mon Sep 17 00:00:00 2001
From: biwa <6475593+biwa@users.noreply.github.com>
Date: Sun, 1 Nov 2020 23:08:41 +0100
Subject: [PATCH] Vertices Mode: fixed a potential crash when
 deleting/dissolving vertices

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

diff --git a/Source/Plugins/BuilderModes/ClassicModes/VerticesMode.cs b/Source/Plugins/BuilderModes/ClassicModes/VerticesMode.cs
index 33aadb99..f36f09cc 100755
--- a/Source/Plugins/BuilderModes/ClassicModes/VerticesMode.cs
+++ b/Source/Plugins/BuilderModes/ClassicModes/VerticesMode.cs
@@ -1007,6 +1007,9 @@ namespace CodeImp.DoomBuilder.BuilderModes
 			General.Map.IsChanged = true;
 			General.Map.Map.Update();
 
+			// Create the blockmap
+			CreateBlockmap();
+
 			// Invoke a new mousemove so that the highlighted item updates
 			MouseEventArgs e = new MouseEventArgs(MouseButtons.None, 0, (int)mousepos.x, (int)mousepos.y, 0);
 			OnMouseMove(e);
@@ -1086,6 +1089,9 @@ namespace CodeImp.DoomBuilder.BuilderModes
 			General.Map.Map.Update();
 			General.Map.IsChanged = true;
 
+			// Create the blockmap
+			CreateBlockmap();
+
 			// Invoke a new mousemove so that the highlighted item updates
 			MouseEventArgs e = new MouseEventArgs(MouseButtons.None, 0, (int)mousepos.x, (int)mousepos.y, 0);
 			OnMouseMove(e);