Merge pull request #543 from anatawa12/pick-gc-debug

pick gc debug
anatawa12 · Oct 9, 2023 · 9cbbc66 · 9cbbc66
2 parents 0b2d858 + 45c46bd
commit 9cbbc66
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diff --git a/CHANGELOG-PRERELEASE.md b/CHANGELOG-PRERELEASE.md
@@ -8,6 +8,7 @@ The format is based on [Keep a Changelog].
 
 ## [Unreleased]
 ### Added
+- Feature for debugging GC Objects `#543`
 
 ### Changed
 

diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -8,6 +8,7 @@ The format is based on [Keep a Changelog].
 
 ## [Unreleased]
 ### Added
+- Feature for debugging GC Objects `#543`
 
 ### Changed
 

diff --git a/Editor/Processors/TraceAndOptimize/FindUnusedObjectsProcessor.cs b/Editor/Processors/TraceAndOptimize/FindUnusedObjectsProcessor.cs
@@ -1,6 +1,7 @@
 using System;
 using System.Collections.Generic;
 using System.Linq;
+using System.Text;
 using UnityEditor;
 using UnityEngine;
 using VRC.Dynamics;
@@ -253,6 +254,64 @@ private void CollectDataForGc()
 
             foreach (var component in _session.GetComponents<Component>())
                 component.gameObject.GetOrAddComponent<GCData>().data.Add(componentDataMap[component]);
+            _session.GetRootComponent<Transform>().gameObject.AddComponent<GCDataRoot>();
+        }
+
+        class GCDataRoot : MonoBehaviour
+        {
+        }
+
+        [CustomEditor(typeof(GCDataRoot))]
+        class GCDataRootEditor : Editor
+        {
+            public override void OnInspectorGUI()
+            {
+                if (GUILayout.Button("Copy All Data"))
+                {
+                    GUIUtility.systemCopyBuffer = CreateData();
+                }
+
+                if (GUILayout.Button("Save All Data"))
+                {
+                    var path = EditorUtility.SaveFilePanel("DebugGCData", "", "data.txt", "txt");
+                    if (!string.IsNullOrEmpty(path))
+                    {
+                        System.IO.File.WriteAllText(path, CreateData());
+                    }
+                }
+
+                string CreateData()
+                {
+                    var root = ((Component)target).gameObject;
+                    var collect = new StringBuilder();
+                    foreach (var gcData in root.GetComponentsInChildren<GCData>())
+                    {
+                        collect.Append(RuntimeUtil.RelativePath(root, gcData.gameObject)).Append(":\n");
+
+                        foreach (var componentData in gcData.data.Where(componentData => componentData.component))
+                        {
+                            collect.Append("  ").Append(componentData.component.GetType().Name).Append(":\n");
+                            collect.Append("    ActiveNess: ").Append(componentData.activeness).Append('\n');
+                            collect.Append("    Dependencies:\n");
+                            var list = new List<string>();
+                            foreach (var dependencyInfo in componentData.dependencies.Where(x => x.component))
+                            {
+                                var path = RuntimeUtil.RelativePath(root, dependencyInfo.component.gameObject);
+                                var types = dependencyInfo.component.GetType().Name;
+                                list.Add($"{path}({types})({dependencyInfo.type},{dependencyInfo.flags})");
+                            }
+
+                            list.Sort();
+                            foreach (var line in list)
+                                collect.Append("      ").Append(line).Append("\n");
+                        }
+
+                        collect.Append("\n");
+                    }
+
+                    return collect.ToString();
+                }
+            }
         }
 
         class GCData : MonoBehaviour