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Match native asset fallback behavior

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This commit is contained in:
gamer147
2026-08-15 09:49:04 -04:00
parent b27a5ff43d
commit d38511665a
8 changed files with 120 additions and 38 deletions
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10
engine/Age.Engine/Sys4/Sys4AssetStore.cs
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@@ -64,10 +64,12 @@ public sealed class Sys4AssetStore : IAssetStore
try
{
return new FileStream(candidate, FileMode.Open, FileAccess.Read, FileShare.Read,
64 * 1024, FileOptions.RandomAccess);
64 * 1024, FileOptions.SequentialScan);
}
catch (FileNotFoundException) { }
catch (DirectoryNotFoundException) { }
// Native falls through on any INVALID_HANDLE_VALUE result from the loose CreateFileA.
// Keep malformed payloads authoritative once open; only open failures reach the archive.
catch (IOException) { }
catch (UnauthorizedAccessException) { }
}
ValidateBasename(entry.Archive, "archive");
@@ -75,7 +77,7 @@ public sealed class Sys4AssetStore : IAssetStore
if (!IsDirectChild(_archiveRoot, archivePath))
throw new InvalidDataException($"unsafe archive name: {entry.Archive}");
var file = new FileStream(archivePath, FileMode.Open, FileAccess.Read, FileShare.Read,
64 * 1024, FileOptions.RandomAccess);
64 * 1024, FileOptions.SequentialScan);
try
{
if (entry.Offset < 0 || entry.Size < 0 || entry.Offset > file.Length