YooAsset/Assets/YooAsset/Editor/AssetBundleBuilder/BuildTasks/ExtdBuildTasks.cs

68 lines
1.8 KiB
C#

using System.Collections.Generic;
using UnityEditor.Build.Content;
using UnityEngine.U2D;
using UnityEditor.Build.Pipeline.Injector;
using UnityEditor.Build.Pipeline.Interfaces;
using UnityEngine;
using System.Linq;
namespace UnityEditor.Build.Pipeline.Tasks
{
/// <summary>
/// Ref https://zhuanlan.zhihu.com/p/586918159
/// </summary>
public class RemoveSpriteAtlasRedundancy : IBuildTask
{
public int Version => 1;
[InjectContext]
IBundleWriteData writeDataParam;
public ReturnCode Run()
{
#if UNITY_2020_3_OR_NEWER
BundleWriteData writeData = (BundleWriteData)writeDataParam;
// 图集引用的精灵图片集合
HashSet<GUID> spriteGuids = new HashSet<GUID>();
foreach (var pair in writeData.FileToObjects)
{
foreach (ObjectIdentifier objectIdentifier in pair.Value)
{
var assetPath = AssetDatabase.GUIDToAssetPath(objectIdentifier.guid);
var assetType = AssetDatabase.GetMainAssetTypeAtPath(assetPath);
if (assetType == typeof(SpriteAtlas))
{
var spritePaths = AssetDatabase.GetDependencies(assetPath, false);
foreach (string spritePath in spritePaths)
{
GUID spriteGuild = AssetDatabase.GUIDFromAssetPath(spritePath);
spriteGuids.Add(spriteGuild);
}
}
}
}
// 移除图集引用的精力图片对象
foreach (var pair in writeData.FileToObjects)
{
List<ObjectIdentifier> objectIdentifiers = pair.Value;
for (int i = objectIdentifiers.Count - 1; i >= 0; i--)
{
ObjectIdentifier objectIdentifier = objectIdentifiers[i];
if (spriteGuids.Contains(objectIdentifier.guid))
{
if (objectIdentifier.localIdentifierInFile == 2800000)
{
// 删除图集散图的冗余纹理
objectIdentifiers.RemoveAt(i);
}
}
}
}
#endif
return ReturnCode.Success;
}
}
}