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some experiments with observable tracking
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Daniil Korostelev
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Jun 19, 2024
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29 changes: 29 additions & 0 deletions
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projects/TinkState-Unity-Editor/TinkState-Unity-Editor.csproj
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| <Project Sdk="Microsoft.NET.Sdk"> | ||
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| <PropertyGroup> | ||
| <TargetFramework>net6.0</TargetFramework> | ||
| <LangVersion>9.0</LangVersion> | ||
| <AssemblyName>Nadako.TinkState.Unity.Editor</AssemblyName> | ||
| </PropertyGroup> | ||
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| <PropertyGroup> | ||
| <EnableDefaultItems>false</EnableDefaultItems> | ||
| </PropertyGroup> | ||
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| <ItemGroup> | ||
| <Compile Include="../../src/TinkState-Unity/Editor/**/*.cs"/> | ||
| </ItemGroup> | ||
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| <ItemGroup> | ||
| <Reference Include="UnityEngine"> | ||
| <HintPath>../../unity-dlls/UnityEngine.dll</HintPath> | ||
| </Reference> | ||
| <Reference Include="UnityEditor"> | ||
| <HintPath>../../unity-dlls/UnityEditor.dll</HintPath> | ||
| </Reference> | ||
| </ItemGroup> | ||
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| <ItemGroup> | ||
| <ProjectReference Include="../TinkState/TinkState.csproj"/> | ||
| </ItemGroup> | ||
| </Project> |
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src/TinkState-Unity/Editor/Nadako.TinkState.Unity.Editor.asmdef
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| { | ||
| "name": "Nadako.TinkState.Unity.Editor", | ||
| "references": [ | ||
| "Nadako.TinkState" | ||
| ] | ||
| } |
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src/TinkState-Unity/Editor/Nadako.TinkState.Unity.Editor.asmdef.meta
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
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| using System; | ||
| using System.Collections.Generic; | ||
| using System.Runtime.CompilerServices; | ||
| using TinkState.Internal; | ||
| using UnityEditor; | ||
| using UnityEngine; | ||
| using UnityEngine.UIElements; | ||
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| namespace TinkState.Editor | ||
| { | ||
| public class ObservableTrackerWindow : EditorWindow | ||
| { | ||
| readonly List<ObservableTracker.TrackingData> data = new(); | ||
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| ListView listView; | ||
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| [MenuItem("Window/Observable Tracker")] | ||
| public static void Open() | ||
| { | ||
| var window = GetWindow<ObservableTrackerWindow>(); | ||
| window.titleContent = new GUIContent("Observable Tracker"); | ||
| } | ||
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| void OnEnable() | ||
| { | ||
| ObservableTracker.EnableTracking = true; | ||
| } | ||
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| void OnDisable() | ||
| { | ||
| ObservableTracker.EnableTracking = false; | ||
| } | ||
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| public void CreateGUI() | ||
| { | ||
| const string uxmlGUID = "bc0d80c10c9ac4d5ab4a26571a0e49e3"; | ||
| var treeAsset = AssetDatabase.LoadAssetAtPath<VisualTreeAsset>(AssetDatabase.GUIDToAssetPath(uxmlGUID)); | ||
| var tree = treeAsset.Instantiate(); | ||
| tree.style.flexGrow = 1; | ||
| rootVisualElement.Add(tree); | ||
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| var stackTraceView = tree.Q<Label>("stack-trace"); | ||
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| listView = tree.Q<ListView>("observable-list"); | ||
| listView.itemsSource = data; | ||
| listView.selectionType = SelectionType.Single; | ||
| listView.makeItem = () => new Label(); | ||
| listView.bindItem = (element, index) => | ||
| { | ||
| var label = (Label)element; | ||
| label.text = data[index].Type; | ||
| }; | ||
| listView.onSelectedIndicesChange += indices => | ||
| { | ||
| foreach (var index in indices) | ||
| { | ||
| var trackingData = data[index]; | ||
| Debug.Log("Choosing " + index); | ||
| stackTraceView.text = trackingData.Stack; | ||
| return; | ||
| } | ||
| stackTraceView.text = ""; | ||
| }; | ||
| } | ||
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| private void Update() | ||
| { | ||
| if (ObservableTracker.CheckDirty()) | ||
| { | ||
| Debug.Log("Updating"); | ||
| data.Clear(); | ||
| ObservableTracker.IterateEntries((observer, trackingData) => | ||
| { | ||
| Debug.Log("Adding: " + trackingData.Type); | ||
| data.Add(trackingData); | ||
| }); | ||
| listView.Rebuild(); | ||
| } | ||
| } | ||
| } | ||
| } |
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src/TinkState-Unity/Editor/ObservableTrackerWindow.cs.meta
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,6 @@ | ||
| <ui:UXML xmlns:ui="UnityEngine.UIElements" xmlns:uie="UnityEditor.UIElements" xsi="http://www.w3.org/2001/XMLSchema-instance" engine="UnityEngine.UIElements" editor="UnityEditor.UIElements" noNamespaceSchemaLocation="../../../../UIElementsSchema/UIElements.xsd" editor-extension-mode="True"> | ||
| <ui:TwoPaneSplitView orientation="Vertical"> | ||
| <ui:ListView focusable="true" name="observable-list" /> | ||
| <ui:Label name="stack-trace" /> | ||
| </ui:TwoPaneSplitView> | ||
| </ui:UXML> |
10 changes: 10 additions & 0 deletions
10
src/TinkState-Unity/Editor/ObservableTrackerWindow.uxml.meta
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,89 @@ | ||
| using System; | ||
| using System.Collections.Generic; | ||
| using System.Diagnostics; | ||
| using System.Runtime.CompilerServices; | ||
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| [assembly: InternalsVisibleTo("Nadako.TinkState.Unity.Editor")] | ||
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| namespace TinkState.Internal | ||
| { | ||
| static class ObservableTracker | ||
| { | ||
| public static bool EnableTracking = false; | ||
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| static bool isDirty; | ||
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| internal readonly struct TrackingData | ||
| { | ||
| public readonly string Type; | ||
| public readonly string Stack; | ||
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| public TrackingData(string type, string stack) | ||
| { | ||
| Type = type; | ||
| Stack = stack; | ||
| } | ||
| } | ||
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| static readonly Dictionary<WeakReference<Observer>, TrackingData> tracking = new(); | ||
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| [MethodImpl(MethodImplOptions.AggressiveInlining)] | ||
| public static void TrackSubscription(Dispatcher dispatcher, Observer observer) | ||
| { | ||
| if (EnableTracking) DoTrackSubscription(dispatcher, observer); | ||
| } | ||
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| [MethodImpl(MethodImplOptions.AggressiveInlining)] | ||
| public static void UntrackSubscription(Dispatcher dispatcher, Observer observer) | ||
| { | ||
| if (EnableTracking) DoUntrackSubscription(dispatcher, observer); | ||
| } | ||
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| public static bool CheckDirty() | ||
| { | ||
| var wasDirty = isDirty; | ||
| isDirty = false; | ||
| return wasDirty; | ||
| } | ||
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| public static void IterateEntries(Action<Observer, TrackingData> callback) | ||
| { | ||
| foreach (var (weakRef, trackingData) in tracking) | ||
| { | ||
| if (weakRef.TryGetTarget(out var observer)) | ||
| { | ||
| callback(observer, trackingData); | ||
| } | ||
| } | ||
| } | ||
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| static void DoTrackSubscription(Dispatcher dispatcher, Observer observer) | ||
| { | ||
| var weakRef = new WeakReference<Observer>(observer); | ||
| tracking[weakRef] = new TrackingData( | ||
| observer.GetType().ToString(), | ||
| new StackTrace(2, true).ToString() | ||
| ); | ||
| isDirty = true; | ||
| } | ||
|
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| static void DoUntrackSubscription(Dispatcher dispatcher, Observer observer) | ||
| { | ||
| WeakReference<Observer> weakRef = null; | ||
| foreach (var entry in tracking.Keys) | ||
| { | ||
| if (entry.TryGetTarget(out var target) && target == observer) | ||
| { | ||
| weakRef = entry; | ||
| break; | ||
| } | ||
| } | ||
|
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| if (weakRef != null) | ||
| { | ||
| tracking.Remove(weakRef); | ||
| isDirty = true; | ||
| } | ||
| } | ||
| } | ||
| } |
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