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Added safeguard to MapSet.NearestLinedefRange if selectionmap is null. Might fix #529.

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biwa 2021-02-20 13:11:03 +01:00
parent 467f791bd3
commit b168570241
1 changed files with 3 additions and 0 deletions
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3
Source/Core/Map/MapSet.cs
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@ -3401,6 +3401,9 @@ namespace CodeImp.DoomBuilder.Map
/// <summary>This finds the line closest to the specified position.</summary>
public static Linedef NearestLinedefRange(BlockMap<BlockEntry> selectionmap, Vector2D pos, double maxrange) //mxd
{
if (selectionmap == null)
return null;
Linedef closest = null;
double distance = double.MaxValue;
double maxrangesq = maxrange * maxrange;