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Let the signatures of saved trainsets go with their sceneries

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They were kept by the trainset's text for the whole session, behind one lock,
and every reload added more. They are now kept as long as a trainset holds
that text.
This commit is contained in:
maj00r
2026-11-03 21:51:55 +01:00
parent 71c32c5b9a
commit 9eb10fc9bd
1 changed files with 8 additions and 10 deletions
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18
StarterNG/Domain/Sceneries/SceneryTrainsetText.cs
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@@ -2,6 +2,7 @@ using System;
using System.Collections.Generic;
using System.Globalization;
using System.Linq;
using System.Runtime.CompilerServices;
using System.Text;
using System.Text.RegularExpressions;
using StarterNG.Classes;
@@ -163,17 +164,14 @@ public static class SceneryTrainsetText
public static bool IsModified(Trainset trainset) =>
trainset.Parsed && Signature(trainset) != SavedSignature(trainset.RawEntry);
private static readonly Dictionary<string, string> SavedSignatures = new();
/// <summary>
/// By the text a trainset holds, for as long as one holds it: a scenery read again
/// brings texts of its own, and those of the one it replaces go with it.
/// </summary>
private static readonly ConditionalWeakTable<string, string> SavedSignatures = new();
private static string SavedSignature(string raw)
{
lock (SavedSignatures)
{
if (!SavedSignatures.TryGetValue(raw, out string? signature))
SavedSignatures[raw] = signature = Signature(new Trainset(raw));
return signature;
}
}
private static string SavedSignature(string raw) =>
SavedSignatures.GetValue(raw, text => Signature(new Trainset(text)));
private static string Signature(Trainset trainset) =>
trainset.Velocity.ToString(CultureInfo.InvariantCulture) + "\n" +