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‎Editor.meta‎

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‎Editor/AnimatorControllerCleaner.cs‎

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using System;
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using System.Collections;
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using System.Collections.Generic;
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using System.IO;
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using System.Text;
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using System.Linq;
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using System.Reflection;
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using UnityEngine;
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using UnityEditor;
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using YamlDotNet.RepresentationModel;
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public static class AnimatorControllerCleaner{
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private const string YamlHeader = "%YAML 1.1\n%TAG !u! tag:unity3d.com,2011:\n";
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private const string ObjectHeaderPrefix = "--- !u!";
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[MenuItem("Assets/CleanAnimatorControllers")]
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private static void CleanAnimatorContollers(){
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var Assets = Selection.GetFiltered(typeof(UnityEngine.Object), SelectionMode.Assets);
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if(Assets.Length == 0) return;
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foreach(var Asset in Assets){
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// Debug.Log(Asset);
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var path = AssetDatabase.GetAssetPath(Asset);
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// Debug.Log(path);
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if(path.EndsWith(".controller")){
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var pathArray = new string[] {path};
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AssetDatabase.ForceReserializeAssets(pathArray);
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CleanAnimatorController(path);
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}
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}
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AssetDatabase.Refresh();
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}
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private static void CleanAnimatorController(string path){
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var objList = new List<AnimatorClassObj>();
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// データの取得
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foreach(var obj in ParseAnimator(path)){
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// Debug.Log(obj);
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objList.Add(obj);
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}
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bool[] refArray = new bool[objList.Count];
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for(int i=0; i<objList.Count; ++i){
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refArray[i] = false;
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}
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// AnimatorControllerを起点に、参照されているオブジェクトをチェックする。
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for(int i=0; i<objList.Count; ++i)
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{
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var obj = objList[i];
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if(obj.classID == 91){
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SearchReference(i, ref objList, ref refArray);
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}
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}
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// // refArrayがfalseのままのobjは参照されていない
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// for(int i=0; i<objList.Count; ++i)
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// {
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// if(!refArray[i]){
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// var obj = objList[i];
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// var classID = obj.classID;
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// var fileID = obj.fileID;
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// var root = ((YamlMappingNode)obj.node).Children.First();
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// var rootName = root.Key.ToString();
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// Debug.Log(
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// $"obj No.{i} is not referenced.\n"
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// + $"(classID:{classID} ,fileID:{fileID}, name:{rootName})");
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// }
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// }
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// refArrayがtrueのオブジェクトのみを書き出し
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var objListFiltered = objList.Where((value, index) => refArray[index]);
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var yaml = PresentAnimator(objListFiltered.ToList());
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File.WriteAllText(path, yaml);
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}
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struct AnimatorClassObj{
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public int classID;
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public string fileID;
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public YamlNode node;
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public string content;
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public AnimatorClassObj(
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int classID, string fileID,
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YamlNode node, string content)
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{
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this.classID = classID;
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this.fileID = fileID;
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this.node = node;
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this.content = content;
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}
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}
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private static void SearchReference(int i, ref List<AnimatorClassObj> objList, ref bool[] refArray)
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{
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if(refArray[i]) return;
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refArray[i] = true;
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AnimatorClassObj obj = objList[i];
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// classID is documented on https://docs.unity3d.com/ja/2019.4/Manual/ClassIDReference.html
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switch(obj.classID)
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{
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case 91: // AnimatorController
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case 114: // MonoBehaviour
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case 206: // BlendTree
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case 1101: // AnimatorStateTransition
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case 1102: // AnimatorState
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case 1107: // AnimatorStateMachine
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case 1109: // AnimatorTransition
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case 1111: // AnimatorTransitionBase
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break;
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default:
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Debug.LogWarning("unexcepted classID "+obj.classID);
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throw new System.Exception("unexcepted classID "+obj.classID);
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}
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// obj内のfileID要素を辿る
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foreach(var fileID in RecursiveSearch(obj.node, "fileID")){
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// Debug.Log(fileID);
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if (fileID.GetType() == typeof(string))
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{
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var matchObj = objList.Where(x => x.fileID == (string)fileID);
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if (matchObj.Count() != 0)
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{
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var j = objList.IndexOf(matchObj.First());
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SearchReference(j, ref objList, ref refArray);
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}
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}
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}
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}
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public static IEnumerable<string> RecursiveSearch(YamlNode node, string key)
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{
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switch (node)
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{
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case YamlMappingNode mappingNode:
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foreach (var childNode in mappingNode.Children)
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{
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if (childNode.Key.ToString() == key)
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{
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yield return childNode.Value.ToString();
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}
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foreach (var result in RecursiveSearch(childNode.Value, key))
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{
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yield return result;
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}
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}
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break;
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case YamlSequenceNode sequenceNode:
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foreach (var childNode in sequenceNode.Children)
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{
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foreach (var result in RecursiveSearch(childNode, key))
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{
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yield return result;
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}
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}
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break;
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}
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}
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private static int GetClassIDByObjectHeader(string objectHeader)
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{
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return int.Parse(objectHeader.Substring(ObjectHeaderPrefix.Length).Split(' ')[0]);
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}
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private static string GetFileIDByObjectHeader(string objectHeader)
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{
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return objectHeader.Substring(ObjectHeaderPrefix.Length).Split(' ')[1].Substring(1);
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}
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private static IEnumerable<AnimatorClassObj> ParseAnimator(string yamlPath)
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{
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var lines = File.ReadLines(yamlPath);
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var sb = new StringBuilder();
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string objectHeader = null;
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string content = null;
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foreach(var line in lines)
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{
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if(line.StartsWith(ObjectHeaderPrefix))
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{
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if(objectHeader != null){
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content = sb.ToString();
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yield return new AnimatorClassObj(
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GetClassIDByObjectHeader(objectHeader),
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GetFileIDByObjectHeader(objectHeader),
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ParseYaml(content),
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content
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);
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sb.Clear();
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}
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objectHeader = line;
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continue;
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}
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// 最初の2行については、まだobjectHeaderが出てきていないので読み飛ばす。
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if(objectHeader != null) sb.Append(line + "\n");
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}
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if(objectHeader == null) yield break;
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var text = sb.ToString();
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yield return new AnimatorClassObj(
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GetClassIDByObjectHeader(objectHeader),
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GetFileIDByObjectHeader(objectHeader),
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ParseYaml(content),
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content
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);
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}
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private static YamlNode ParseYaml(string text)
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{
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var yamlStream = new YamlStream();
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var sr = new StringReader(text);
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yamlStream.Load(sr);
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return yamlStream.Documents[0].RootNode;
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}
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private static string PresentYaml(YamlNode node)
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{
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var yamlDocument = new YamlDocument(node);
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var yamlStream = new YamlStream(yamlDocument);
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var sw = new StringWriter();
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sw.NewLine = "\n";
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yamlStream.Save(sw);
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return sw.ToString();
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}
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private static string PresentAnimator(List<AnimatorClassObj> objList)
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{
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var sw = new StringWriter();
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sw.Write(YamlHeader);
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foreach(var obj in objList){
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sw.Write(ObjectHeaderPrefix + obj.classID + " &" + obj.fileID + "\n");
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sw.Write(obj.content);
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}
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return sw.ToString();
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}
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}

‎Editor/AnimatorControllerCleaner.cs.meta‎

Lines changed: 11 additions & 0 deletions
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‎ReadMe.md‎

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# AnimatorControllerCleaner v1.0
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UnityのAnimatorController内に参照されないのに残ってしまったデータを削除します。
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## 動作確認環境
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* Unity2019.4.31f1
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* VRChat Package Resolver Tool 0.1.19<br>
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(YamlDotNetに依存していますが、`Packages/com.vrchat.core.vpm-resolver/Editor/Dependencies/YamlDotNet.dll`に含まれているのでこれを使います。)<br>
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VCCを使っていない場合はAsset StoreからYamlDotNet for UnityをImportしてください。
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## 使い方
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1. `Edit > Project Settings... > Editor > Asset Serialization > Mode`をForce Textに設定。
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2. AnimatorControllerCleaner.unitypackageをimport
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3. ゴミを削除したいAnimatorControllerをProject上で選択して右クリック `CleanAnimatorControllers`を実行。
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## 何を行っているのか
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AnimatorControllerのAssetをTextModeで保存した場合、Yaml形式となっています。
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Yamlをパースし、Root要素であるAnimatorControllerから参照しているオブジェクトを辿って行きます。
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AnimatorControllerから辿った参照ツリーに含まれていないオブジェクトを除外してYamlファイルを保存しなおしています。
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## 注意事項
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テストは行っていますが、完璧な動作は保証できません。一度AnimatorControllerを複製した上で実行し、問題ないことを確認することをおすすめします。

‎ReadMe.md.meta‎

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