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PreventRandom use WeakReference, reroll rand instead of changing list

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Diorik 2025-02-06 13:29:47 -06:00
parent 67fd65d366
commit 5ca151b675
1 changed files with 8 additions and 7 deletions
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13
Glamourer/Designs/Special/RandomDesignGenerator.cs
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@ -6,19 +6,20 @@ namespace Glamourer.Designs.Special;
public class RandomDesignGenerator(DesignStorage designs, DesignFileSystem fileSystem, Configuration config) : IService
{
private readonly Random _rng = new();
private Guid? _lastDesignID = null;
private WeakReference<Design?> _lastDesign = new(null, false);
public Design? Design(IList<Design> localDesigns)
public Design? Design(IReadOnlyList<Design> localDesigns)
{
if (localDesigns.Count == 0)
return null;
if (config.PreventRandomRepeats && _lastDesignID != null && localDesigns.Count > 1 && localDesigns.FindFirst(d => d.Identifier == _lastDesignID, out var found))
localDesigns.Remove(found);
int idx;
do
idx = _rng.Next(0, localDesigns.Count);
while (config.PreventRandomRepeats && localDesigns.Count > 1 && _lastDesign.TryGetTarget(out var lastDesign) && lastDesign == localDesigns[idx]);
var idx = _rng.Next(0, localDesigns.Count);
Glamourer.Log.Verbose($"[Random Design] Chose design {idx + 1} out of {localDesigns.Count}: {localDesigns[idx].Incognito}.");
_lastDesignID = localDesigns[idx].Identifier;
_lastDesign.SetTarget(localDesigns[idx]);
return localDesigns[idx];
}