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This commit is contained in:
Natsumi
2024-10-02 09:49:08 +13:00
parent 665780ed58
commit 3ff2d687d2
2 changed files with 119 additions and 32 deletions
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102
Dotnet/AssetBundleCacher.cs
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@@ -34,11 +34,11 @@ namespace VRCX
public static WebClient client;
public static Process process;
public string GetAssetId(string id)
public string GetAssetId(string id, string variant = "")
{
using(var sha256 = SHA256.Create())
{
byte[] hash = sha256.ComputeHash(Encoding.UTF8.GetBytes(id));
byte[] hash = sha256.ComputeHash(Encoding.UTF8.GetBytes(id + variant));
StringBuilder idHex = new StringBuilder(hash.Length * 2);
foreach (byte b in hash)
{
@@ -48,16 +48,44 @@ namespace VRCX
}
}
public string GetAssetVersion(int version)
public string GetAssetVersion(int version, int variantVersion = 0)
{
byte[] bytes = BitConverter.GetBytes(version);
string versionHex = string.Empty;
foreach (byte b in bytes)
var versionHex = string.Empty;
var variantVersionBytes = BitConverter.GetBytes(variantVersion);
foreach (var b in variantVersionBytes)
{
versionHex += b.ToString("X2");
}
var versionBytes = BitConverter.GetBytes(version);
foreach (var b in versionBytes)
{
versionHex += b.ToString("X2");
}
return versionHex.PadLeft(32, '0');
}
public int ReverseHexToDecimal(string hexString)
{
if (hexString.Length != 32)
return 0; // it's cooked
var versionHexString = hexString.Substring(16, 8); // 16..24
var variantVersionHexString = hexString.Substring(24, 8); // 24..32
var versionBytes = new byte[4];
var variantVersionBytes = new byte[4];
for (var i = 0; i < 4; i++)
{
var versionValue = Convert.ToInt32(versionHexString.Substring(i * 2, 2), 16);
versionBytes[i] = (byte)versionValue;
var variantVersionValue = Convert.ToInt32(variantVersionHexString.Substring(i * 2, 2), 16);
variantVersionBytes[i] = (byte)variantVersionValue;
}
var version = BitConverter.ToInt32(versionBytes, 0);
var variantVersion = BitConverter.ToInt32(variantVersionBytes, 0);
return version + variantVersion;
}
public string GetVRChatCacheLocation()
{
@@ -69,12 +97,14 @@ namespace VRCX
/// </summary>
/// <param name="id">The ID of the asset bundle.</param>
/// <param name="version">The version of the asset bundle.</param>
/// <param name="variant">The variant of the asset bundle.</param>
/// <param name="variantVersion">The version of the variant of the asset bundle.</param>
/// <returns>The full location of the VRChat cache for the specified asset bundle.</returns>
public string GetVRChatCacheFullLocation(string id, int version)
public string GetVRChatCacheFullLocation(string id, int version, string variant = "", int variantVersion = 0)
{
var cachePath = GetVRChatCacheLocation();
var idHash = GetAssetId(id);
var versionLocation = GetAssetVersion(version);
var idHash = GetAssetId(id, variant);
var versionLocation = GetAssetVersion(version, variantVersion);
return Path.Combine(cachePath, idHash, versionLocation);
}
@@ -83,12 +113,17 @@ namespace VRCX
/// </summary>
/// <param name="id">The ID of the asset bundle.</param>
/// <param name="version">The version of the asset bundle.</param>
/// <param name="variant">The variant of the asset bundle.</param>
/// <param name="variantVersion">The version of the variant of the asset bundle.</param>
/// <returns>A Tuple containing the file size, lock status and path of the asset bundle.</returns>
public Tuple<long, bool, string> CheckVRChatCache(string id, int version)
public Tuple<long, bool, string> CheckVRChatCache(string id, int version, string variant, int variantVersion)
{
long fileSize = -1;
var isLocked = false;
var fullLocation = GetVRChatCacheFullLocation(id, version);
if (!Directory.Exists(fullLocation))
fullLocation = GetVRChatCacheFullLocation(id, version, variant, variantVersion);
var fileLocation = Path.Combine(fullLocation, "__data");
var cachePath = string.Empty;
if (File.Exists(fileLocation))
@@ -206,11 +241,17 @@ namespace VRCX
/// </summary>
/// <param name="id">The ID of the asset bundle to delete.</param>
/// <param name="version">The version of the asset bundle to delete.</param>
public void DeleteCache(string id, int version)
/// <param name="variant">The variant of the asset bundle to delete.</param>
/// <param name="variantVersion">The version of the variant of the asset bundle to delete.</param>
public void DeleteCache(string id, int version, string variant, int variantVersion)
{
var FullLocation = GetVRChatCacheFullLocation(id, version);
if (Directory.Exists(FullLocation))
Directory.Delete(FullLocation, true);
var path = GetVRChatCacheFullLocation(id, version);
if (Directory.Exists(path))
Directory.Delete(path, true);
path = GetVRChatCacheFullLocation(id, version, variant, variantVersion);
if (Directory.Exists(path))
Directory.Delete(path, true);
}
/// <summary>
@@ -235,26 +276,31 @@ namespace VRCX
if (!Directory.Exists(cachePath))
return;
var directories = new DirectoryInfo(cachePath);
DirectoryInfo[] cacheDirectories = directories.GetDirectories();
foreach (DirectoryInfo cacheDirectory in cacheDirectories)
var cacheDirectories = directories.GetDirectories();
foreach (var cacheDirectory in cacheDirectories)
{
var VersionDirectories = cacheDirectory.GetDirectories().OrderBy(d => Convert.ToInt32(d.Name, 16));
int i = 0;
foreach (DirectoryInfo VersionDirectory in VersionDirectories)
var versionDirectories =
cacheDirectory.GetDirectories().OrderBy(d => ReverseHexToDecimal(d.Name)).ToArray();
for (var index = 0; index < versionDirectories.Length; index++)
{
i++;
if (VersionDirectory.GetDirectories().Length + VersionDirectory.GetFiles().Length == 0)
var versionDirectory = versionDirectories[index];
if (versionDirectory.GetDirectories().Length + versionDirectory.GetFiles().Length == 0)
{
VersionDirectory.Delete();
}
else if (i < VersionDirectories.Count())
{
if (!File.Exists(Path.Combine(VersionDirectory.FullName, "__lock")))
VersionDirectory.Delete(true);
versionDirectory.Delete(); // delete empty directory
continue;
}
if (index == versionDirectories.Length - 1)
continue; // skip last version
if (File.Exists(Path.Combine(versionDirectory.FullName, "__lock")))
continue; // skip locked version
versionDirectory.Delete(true);
}
if (cacheDirectory.GetDirectories().Length + cacheDirectory.GetFiles().Length == 0)
cacheDirectory.Delete();
cacheDirectory.Delete(); // delete empty directory
}
}