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fixed bug in vertex Join method: this now also works with attached zero-length linedefs that references the same vertex twice

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codeimp 2008-05-05 19:37:00 +00:00
parent 3c0e66a36e
commit 88d1be35cc
1 changed files with 10 additions and 24 deletions
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34
Source/Map/Vertex.cs
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@ -227,34 +227,20 @@ namespace CodeImp.DoomBuilder.Map
// Which means this vertex is removed and the other is kept!
public void Join(Vertex other)
{
LinkedListNode<Linedef> previous;
LinkedListNode<Linedef> current;
// Go for all lines
current = linedefs.Last;
while(current != null)
{
// Get previous
previous = current.Previous;
// Move the start to the other vertex
if(current.Value.Start == this)
current.Value.SetStartVertex(other);
// Move the end to the other vertex
if(current.Value.End == this)
current.Value.SetEndVertex(other);
// Go back one
current = previous;
}
// If either of the two vertices was selected, keep the other selected
if(this.selected) other.selected = true;
if(this.marked) other.marked = true;
// Remove this vertex
this.Dispose();
// Detach all linedefs
// This will automatically dispose this vertex
while(linedefs != null)
{
// Move the line to the other vertex
if(linedefs.First.Value.Start == this)
linedefs.First.Value.SetStartVertex(other);
else
linedefs.First.Value.SetEndVertex(other);
}
}
#endregion