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Fixed a crash when undoing after using the "test from current position" action when no player 1 start is in the map. Fixes #573

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biwa 2021-06-02 20:06:19 +02:00 committed by spherallic
parent 3554508ffb
commit a8c28e3f68
1 changed files with 17 additions and 8 deletions
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23
Source/Core/Editing/ClassicMode.cs
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@ -746,9 +746,12 @@ namespace CodeImp.DoomBuilder.Editing
}
}
if(start == null)
if(start == null) // biwa. If there's no existing valid player start create one
{
// biwa. If there's no existing valid player start create one
// Create an undo snapshot that can will be revoked in OnMapTestEnd to remove the temporary player start
// This has to be done because just creating and deleting the thing will screw with the undo/redo. See https://github.com/jewalky/UltimateDoomBuilder/issues/573
General.Map.UndoRedo.CreateUndo("Create temporary player thing");
playerStartIsTempThing = true;
start = General.Map.Map.CreateThing();
@ -756,12 +759,14 @@ namespace CodeImp.DoomBuilder.Editing
{
General.Settings.ApplyDefaultThingSettings(start);
start.Type = 1;
} else
}
else
{
General.MainWindow.DisplayStatus(StatusType.Warning, "Can't test from current position: couldn't create player start!");
return false;
}
} else
}
else
{
playerStartIsTempThing = false;
}
@ -780,12 +785,16 @@ namespace CodeImp.DoomBuilder.Editing
public override void OnMapTestEnd(bool testFromCurrentPosition)
{
if(testFromCurrentPosition)
{
if (playerStartIsTempThing) // biwa
{
General.Map.UndoRedo.WithdrawUndo();
}
else
{
//restore position
playerStart.Move(playerStartPosition);
if (playerStartIsTempThing) // biwa
General.Map.Map.RemoveThing(playerStart.Index);
}
playerStart = null;
}