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Jo 2025-01-07 02:06:59 +01:00
parent 6715289efe
commit 788c3389af
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153
Library/PackageCache/com.unity.scriptablebuildpipeline@1.21.5/Editor/Utilities/HashingHelpers.cs Normal file
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using System.Collections.Generic;
using System.IO;
using UnityEditor.Build.Content;
using UnityEditor.Build.Pipeline.Utilities;
using UnityEngine;
static class HashingHelpers
{
static void WriteObjectIdentifier(ObjectIdentifier obj, BinaryWriter writer)
{
writer.Write(obj.filePath ?? string.Empty);
writer.Write((int)obj.fileType);
writer.Write(obj.guid.ToString());
writer.Write(obj.localIdentifierInFile);
}
internal static void WriteObjectIdentifiers(List<ObjectIdentifier> ids, BinaryWriter writer)
{
writer.Write((ids != null) ? ids.Count : 0);
if (ids != null)
foreach (ObjectIdentifier o in ids)
WriteObjectIdentifier(o, writer);
}
internal static void WriteHashData(AssetLoadInfo info, BinaryWriter writer)
{
writer.Write(info.address ?? string.Empty);
writer.Write(info.asset.ToString());
WriteObjectIdentifiers(info.referencedObjects, writer);
WriteObjectIdentifiers(info.includedObjects, writer);
}
internal static void WriteHashData(AssetBundleInfo info, BinaryWriter writer)
{
if (info != null)
{
writer.Write(info.bundleName ?? string.Empty);
if (info.bundleAssets != null)
foreach (AssetLoadInfo ali in info.bundleAssets)
WriteHashData(ali, writer);
}
}
internal static void WriteHashData(SceneLoadInfo info, BinaryWriter writer)
{
writer.Write(info.asset.ToString());
writer.Write(info.address ?? string.Empty);
writer.Write(info.internalName ?? string.Empty);
}
internal static void WriteHashData(SceneBundleInfo info, BinaryWriter writer)
{
if (info != null)
{
writer.Write(info.bundleName ?? string.Empty);
if (info.bundleScenes != null)
foreach (SceneLoadInfo sli in info.bundleScenes)
WriteHashData(sli, writer);
}
}
internal static void WriteHashData(PreloadInfo info, BinaryWriter writer)
{
if (info != null)
WriteObjectIdentifiers(info.preloadObjects, writer);
}
internal static void WriteHashData(SerializationInfo info, BinaryWriter writer)
{
WriteObjectIdentifier(info.serializationObject, writer);
writer.Write(info.serializationIndex);
}
internal static void WriteHashData(WriteCommand cmd, BinaryWriter writer)
{
if (cmd != null)
{
writer.Write(cmd.fileName ?? string.Empty);
writer.Write(cmd.internalName ?? string.Empty);
if (cmd.serializeObjects != null)
{
cmd.serializeObjects.ForEach((x) => WriteHashData(x, writer));
foreach (SerializationInfo info in cmd.serializeObjects)
WriteHashData(info, writer);
}
}
}
public static Hash128 GetHash128(this SerializationInfo info)
{
StreamHasher hasher = new StreamHasher();
HashingHelpers.WriteHashData(info, hasher.Writer);
return hasher.GetHash();
}
public static Hash128 GetHash128(this PreloadInfo info)
{
StreamHasher hasher = new StreamHasher();
HashingHelpers.WriteHashData(info, hasher.Writer);
return hasher.GetHash();
}
public static Hash128 GetHash128(this AssetBundleInfo info)
{
StreamHasher hasher = new StreamHasher();
HashingHelpers.WriteHashData(info, hasher.Writer);
return hasher.GetHash();
}
public static Hash128 GetHash128(this SceneBundleInfo info)
{
StreamHasher hasher = new StreamHasher();
HashingHelpers.WriteHashData(info, hasher.Writer);
return hasher.GetHash();
}
public static Hash128 GetHash128(this AssetLoadInfo info)
{
StreamHasher hasher = new StreamHasher();
HashingHelpers.WriteHashData(info, hasher.Writer);
return hasher.GetHash();
}
public static Hash128 GetHash128(this WriteCommand cmd)
{
StreamHasher hasher = new StreamHasher();
HashingHelpers.WriteHashData(cmd, hasher.Writer);
return hasher.GetHash();
}
public static Hash128 GetHash128(this BuildSettings settings)
{
return HashingMethods.Calculate(settings.target, settings.group, settings.buildFlags).ToHash128();
}
}
internal class StreamHasher
{
HashStream m_Stream;
public BinaryWriter Writer { private set; get; }
public StreamHasher()
{
var hasher = HashingMethods.GetHashAlgorithm();
m_Stream = new HashStream(hasher);
Writer = new BinaryWriter(m_Stream);
}
public Hash128 GetHash()
{
return m_Stream.GetHash().ToHash128();
}
}