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这是一个用来查找资源引用和依赖的插件，通过缓存来保存资源间的引用信息，通过树状结构直观的展示。

License: MIT License

C# 100.00%

referencefinder's Introduction

Unity 引用查找

简介

这是一个用来查找资源引用和依赖的插件，通过缓存来保存资源间的引用信息，通过树状结构直观的展示。
由于是通过缓存进行实现的，所以在希望的到精确的引用信息时需要刷新缓存。不过由于缓存的存在，在资源改动较少的情况下，刷新速度较快，对使用影响较小。
直接将文件夹拖到项目中即可使用。

环境

Unity 2018.4.0f1
Unity 2017.4.35f1
Unity 5.6.6f2

使用示例

右键需要查找引用的文件或文件夹，点击 Find References In Project 进行查找。

按钮含义：
Refresh Data:刷新缓存 Model:切换引用和依赖 NeedUpdateState:是否需要根据当前文件的状态更新State栏。
Expand:展开列表 Collapse:折叠列表

第三列的State为Changed代表这个资源被修改了，Missing代表资源被删除了，No Data代表缓存中没有该资源的信息。

实现方案

方案选择

1.在每次需要查找时进行一次全局查找，保证查找的正确性。但是进行全局查找会很慢，因为查找资源依赖信息的接口GetDependencies本质上其实是对文本的查找(比如prefab中会以文本的形式记录prefab所引用资源的guiid和fileid)，在不进行多线程查询优化的情况下这是一个很慢的过程，存储在机械硬盘上时会更慢。
2.进行一次全局查找生成缓存，在进行查找时直接读取缓存（在资源改动时会出现引用信息不准确的问题），在资源变动时需要更新缓存，保持查找的正确性，不过由于缓存的存在，在资源没有太大的改动的情况下，刷新速度较快。

这里选择了方案二。

查找及缓存

引用信息的生成:
通过AssetDatabase.GetAllAssetPaths()获取项目中所有的资源路径。
通过AssetDatabase.GetDependencies()获取每一个资源所依赖资源的信息。
经过这两步之后就有了所有资源的依赖信息了。
通过资源的依赖信息，我们就可以生成所有资源的引用信息了。
缓存:
为了让缓存尽量的小，所以缓存只保存每个资源的guid、引用资源哈希值、依赖资源的信息。其中引用资源哈希值时用于判断这个资源依赖的资源是否有修改，若有修改，则在刷新资源引用信息的时候需要重新读取这个资源的依赖信息，否则继续使用该信息。这个判断就是在资源改动较少时减少刷新时间的关键。
在记录依赖时，没有直接记录依赖资源的guid，而是记录了资源在缓存中下标的位置，从而进一步缩小缓存的大小。

界面实现

主要使用了Unity自带的TreeView实现树形界面的展示。

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referencefinder's Issues

不能显示这个资源被哪些资源引用

Unity2020.3.13

serialzation error

System.Runtime.Serialization.SerializationException: Type UnityEngine.Hash128 is not marked as Serializable.
at System.Runtime.Serialization.Formatters.Binary.BinaryCommon.CheckSerializable (System.Type type, ISurrogateSelector selector, StreamingContext context) [0x0002c] in /Users/builduser/buildslave/mono/build/mcs/class/corlib/System.Runtime.Serialization.Formatters.Binary/BinaryCommon.cs:119
at System.Runtime.Serialization.Formatters.Binary.ObjectWriter.GetObjectData (System.Object obj, System.Runtime.Serialization.Formatters.Binary.TypeMetadata& metadata, System.Object& data) [0x00054] in /Users/builduser/buildslave/mono/build/mcs/class/corlib/System.Runtime.Serialization.Formatters.Binary/ObjectWriter.cs:386
at System.Runtime.Serialization.Formatters.Binary.ObjectWriter.WriteObject (System.IO.BinaryWriter writer, Int64 id, System.Object obj) [0x00000] in /Users/builduser/buildslave/mono/build/mcs/class/corlib/System.Runtime.Serialization.Formatters.Binary/ObjectWriter.cs:306
at System.Runtime.Serialization.Formatters.Binary.ObjectWriter.WriteObjectInstance (System.IO.BinaryWriter writer, System.Object obj, Boolean isValueObject) [0x00062] in /Users/builduser/buildslave/mono/build/mcs/class/corlib/System.Runtime.Serialization.Formatters.Binary/ObjectWriter.cs:293
at System.Runtime.Serialization.Formatters.Binary.ObjectWriter.WriteValue (System.IO.BinaryWriter writer, System.Type valueType, System.Object val) [0x0006b] in /Users/builduser/buildslave/mono/build/mcs/class/corlib/System.Runtime.Serialization.Formatters.Binary/ObjectWriter.cs:748
at System.Runtime.Serialization.Formatters.Binary.ObjectWriter.WriteGenericArray (System.IO.BinaryWriter writer, Int64 id, System.Array array) [0x000e3] in /Users/builduser/buildslave/mono/build/mcs/class/corlib/System.Runtime.Serialization.Formatters.Binary/ObjectWriter.cs:519
at System.Runtime.Serialization.Formatters.Binary.ObjectWriter.WriteArray (System.IO.BinaryWriter writer, Int64 id, System.Array array) [0x00085] in /Users/builduser/buildslave/mono/build/mcs/class/corlib/System.Runtime.Serialization.Formatters.Binary/ObjectWriter.cs:471
at System.Runtime.Serialization.Formatters.Binary.ObjectWriter.WriteObjectInstance (System.IO.BinaryWriter writer, System.Object obj, Boolean isValueObject) [0x0004f] in /Users/builduser/buildslave/mono/build/mcs/class/corlib/System.Runtime.Serialization.Formatters.Binary/ObjectWriter.cs:290
at System.Runtime.Serialization.Formatters.Binary.ObjectWriter.WriteQueuedObjects (System.IO.BinaryWriter writer) [0x00005] in /Users/builduser/buildslave/mono/build/mcs/class/corlib/System.Runtime.Serialization.Formatters.Binary/ObjectWriter.cs:271
at System.Runtime.Serialization.Formatters.Binary.ObjectWriter.WriteObjectGraph (System.IO.BinaryWriter writer, System.Object obj, System.Runtime.Remoting.Messaging.Header[] headers) [0x0001f] in /Users/builduser/buildslave/mono/build/mcs/class/corlib/System.Runtime.Serialization.Formatters.Binary/ObjectWriter.cs:256
at System.Runtime.Serialization.Formatters.Binary.BinaryFormatter.Serialize (System.IO.Stream serializationStream, System.Object graph, System.Runtime.Remoting.Messaging.Header[] headers) [0x000a4] in /Users/builduser/buildslave/mono/build/mcs/class/corlib/System.Runtime.Serialization.Formatters.Binary/BinaryFormatter.cs:232
at System.Runtime.Serialization.Formatters.Binary.BinaryFormatter.Serialize (System.IO.Stream serializationStream, System.Object graph) [0x00000] in /Users/builduser/buildslave/mono/build/mcs/class/corlib/System.Runtime.Serialization.Formatters.Binary/BinaryFormatter.cs:211
at ReferenceFinderData.WriteToChache () [0x00143] in D:\WorkProjects\EditShot\Assets\Editor\ReferenceFinder\ReferenceFinderData.cs:173
at ReferenceFinderData.CollectDependenciesInfo () [0x0009e] in D:\WorkProjects\EditShot\Assets\Editor\ReferenceFinder\ReferenceFinderData.cs:39
UnityEngine.Debug:LogError(Object)
ReferenceFinderData:CollectDependenciesInfo() (at Assets/Editor/ReferenceFinder/ReferenceFinderData.cs:47)
ReferenceFinderWindow:InitDataIfNeeded() (at Assets/Editor/ReferenceFinder/ReferenceFinderWindow.cs:63)
ReferenceFinderWindow:FindRef() (at Assets/Editor/ReferenceFinder/ReferenceFinderWindow.cs:38)

我在一个新项目，使用了您的项目，出现了上述错误，向您请教一下。

重复显示

查找引用模式下，会有一些资源重复出现

error in unity 2019.4.40

System.Collections.Generic.KeyNotFoundException: The given key was not present in the dictionary.
at System.Collections.Generic.Dictionary`2[TKey,TValue].get_Item (TKey key) [0x0001e] in :0
at ReferenceFinderData.UpdateReferenceInfo () [0x00037] in **\Assets\Editor\ReferenceFinder\ReferenceFinderData.cs:60
at ReferenceFinderData.CollectDependenciesInfo () [0x000c0] in **\Assets\Editor\ReferenceFinder\ReferenceFinderData.cs:43
UnityEngine.StackTraceUtility:ExtractStackTrace ()
UnityEngine.DebugLogHandler:LogFormat (UnityEngine.LogType,UnityEngine.Object,string,object[])
UnityEngine.Logger:Log (UnityEngine.LogType,object)
UnityEngine.Debug:LogError (object)

to resolve:
in ReferenceFinderData.UpdateReferenceInfo()

 foreach(var assetGuid in asset.Value.dependencies)
 {
    if (assetDict.ContainsKey(assetGuid))
       assetDict[assetGuid].references.Add(asset.Key);
 }

我们项目刷新以后的错误

System.Collections.Generic.KeyNotFoundException: The given key was not present in the dictionary.
at System.ThrowHelper.ThrowKeyNotFoundException () [0x00000] in :0
at System.Collections.Generic.Dictionary2[TKey,TValue].get_Item (TKey key) [0x0001e] in <cfc149f8218b496788d8493c87de777a>:0 at ReferenceFinderData+<WriteToChache>c__AnonStorey1.<>m__0 (System.String s) [0x00007] in C:\S1\S1_Client_PC\S1\Assets\AliothEditor\Editor\ReferenceFinder\ReferenceFinderData.cs:167 at System.Linq.Enumerable+SelectListIterator2[TSource,TResult].ToArray () [0x00034] in <389a581424f249b6bfedc5bb6d85fb6d>:0
at System.Linq.Enumerable.ToArray[TSource] (System.Collections.Generic.IEnumerable`1[T] source) [0x0001f] in <389a581424f249b6bfedc5bb6d85fb6d>:0
at ReferenceFinderData.WriteToChache () [0x000fe] in C:\S1\S1_Client_PC\S1\Assets\AliothEditor\Editor\ReferenceFinder\ReferenceFinderData.cs:167
at ReferenceFinderData.CollectDependenciesInfo () [0x0009e] in C:\S1\S1_Client_PC\S1\Assets\AliothEditor\Editor\ReferenceFinder\ReferenceFinderData.cs:39

KeyNotFoundException on first use

The first time I use ReferenceFinder in a project, I get "KeyNotFoundException: The given key was not present in the dictionary."

If you comment out the try/catch, you can see that it's from ReferenceFinder\ReferenceFinderData.cs:60

            assetDict[assetGuid].references.Add(asset.Key);

Probably just needs to use TryGetValue instead of [].

Seen on Unity 2019.4.16.