7502018d20
There is an asset in the store I grabbed. the coding is WAY above my head, I got about half of it and integrated and adapted what I can to it. im going as far as I can with it and ill come back in a few month when I understand t better.
55 lines
2.5 KiB
C#
55 lines
2.5 KiB
C#
using System;
|
|
using UnityEditor.Build.Content;
|
|
using UnityEditor.Build.Pipeline.Interfaces;
|
|
using UnityEditor.Build.Pipeline.Utilities;
|
|
|
|
namespace UnityEditor.Build.Pipeline
|
|
{
|
|
/// <summary>
|
|
/// Generates a deterministic identifier using a MD4 hash algorithm and does not require object ordering to be deterministic.
|
|
/// This algorithm generates identical results to what is used internally in <c>BuildPipeline.BuildAssetbundles</c>.
|
|
/// </summary>
|
|
public class Unity5PackedIdentifiers : IDeterministicIdentifiers
|
|
{
|
|
/// <inheritdoc />
|
|
public virtual string GenerateInternalFileName(string name)
|
|
{
|
|
return "CAB-" + HashingMethods.Calculate<MD4>(name);
|
|
}
|
|
|
|
/// <inheritdoc />
|
|
public virtual long SerializationIndexFromObjectIdentifier(ObjectIdentifier objectID)
|
|
{
|
|
RawHash hash;
|
|
bool extraArtifact = objectID.filePath.StartsWith("VirtualArtifacts/Extra/", StringComparison.Ordinal);
|
|
int hashSeed = ScriptableBuildPipeline.fileIDHashSeed;
|
|
if (extraArtifact && hashSeed != 0)
|
|
{
|
|
RawHash fileHash = HashingMethods.CalculateFile(objectID.filePath);
|
|
hash = HashingMethods.Calculate(hashSeed, fileHash, objectID.localIdentifierInFile);
|
|
}
|
|
else if (extraArtifact)
|
|
{
|
|
RawHash fileHash = HashingMethods.CalculateFile(objectID.filePath);
|
|
hash = HashingMethods.Calculate(fileHash, objectID.localIdentifierInFile);
|
|
}
|
|
else if (hashSeed != 0)
|
|
{
|
|
if (objectID.fileType == FileType.MetaAssetType || objectID.fileType == FileType.SerializedAssetType)
|
|
hash = HashingMethods.Calculate<MD4>(hashSeed, objectID.guid.ToString(), objectID.fileType, objectID.localIdentifierInFile);
|
|
else
|
|
hash = HashingMethods.Calculate<MD4>(hashSeed, objectID.filePath, objectID.localIdentifierInFile);
|
|
}
|
|
else
|
|
{
|
|
if (objectID.fileType == FileType.MetaAssetType || objectID.fileType == FileType.SerializedAssetType)
|
|
hash = HashingMethods.Calculate<MD4>(objectID.guid.ToString(), objectID.fileType, objectID.localIdentifierInFile);
|
|
else
|
|
hash = HashingMethods.Calculate<MD4>(objectID.filePath, objectID.localIdentifierInFile);
|
|
}
|
|
|
|
return BitConverter.ToInt64(hash.ToBytes(), 0);
|
|
}
|
|
}
|
|
}
|