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