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372 linhas
16 KiB
372 linhas
16 KiB
using System;
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using Assets.Editor.Treemap;
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using UnityEditor;
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using UnityEngine;
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using UnityEditor.MemoryProfiler;
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using System.Linq;
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using System.Collections.Generic;
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namespace MemoryProfilerWindow
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{
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public class Inspector
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{
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ThingInMemory _selectedThing;
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private ThingInMemory[] _shortestPath;
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private ShortestPathToRootFinder _shortestPathToRootFinder;
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private static int s_InspectorWidth = 400;
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Vector2 _scrollPosition;
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MemoryProfilerWindow _hostWindow;
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CrawledMemorySnapshot _unpackedCrawl;
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PrimitiveValueReader _primitiveValueReader;
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Dictionary<ulong, ThingInMemory> objectCache = new Dictionary<ulong, ThingInMemory>();
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private Texture2D _textureObject;
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private int _prevInstance;
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private float _textureSize = 128.0f;
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static class Styles
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{
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public static GUIStyle entryEven = "OL EntryBackEven";
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public static GUIStyle entryOdd = "OL EntryBackOdd";
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}
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GUILayoutOption labelWidth = GUILayout.Width(150);
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public Inspector(MemoryProfilerWindow hostWindow, CrawledMemorySnapshot unpackedCrawl, PackedMemorySnapshot snapshot)
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{
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_unpackedCrawl = unpackedCrawl;
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_hostWindow = hostWindow;
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_shortestPathToRootFinder = new ShortestPathToRootFinder(unpackedCrawl);
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_primitiveValueReader = new PrimitiveValueReader(_unpackedCrawl.virtualMachineInformation, _unpackedCrawl.managedHeap);
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}
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public float width
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{
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get { return s_InspectorWidth; }
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}
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public void SelectThing(ThingInMemory thing)
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{
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_selectedThing = thing;
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_shortestPath = _shortestPathToRootFinder.FindFor(thing);
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}
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public void Draw()
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{
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GUILayout.BeginArea(new Rect(_hostWindow.position.width - s_InspectorWidth, 25, s_InspectorWidth, _hostWindow.position.height - 25f));
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_scrollPosition = GUILayout.BeginScrollView(_scrollPosition);
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if (_selectedThing == null)
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GUILayout.Label("Select an object to see more info");
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else
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{
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var nativeObject = _selectedThing as NativeUnityEngineObject;
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if (nativeObject != null)
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{
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GUILayout.Label("NativeUnityEngineObject", EditorStyles.boldLabel);
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GUILayout.Space(5);
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EditorGUILayout.LabelField("Name", nativeObject.name);
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EditorGUILayout.LabelField("ClassName", nativeObject.className);
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EditorGUILayout.LabelField("ClassID", nativeObject.classID.ToString());
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EditorGUILayout.LabelField("instanceID", nativeObject.instanceID.ToString());
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EditorGUILayout.LabelField("isDontDestroyOnLoad", nativeObject.isDontDestroyOnLoad.ToString());
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EditorGUILayout.LabelField("isPersistent", nativeObject.isPersistent.ToString());
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EditorGUILayout.LabelField("isManager", nativeObject.isManager.ToString());
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EditorGUILayout.LabelField("hideFlags", nativeObject.hideFlags.ToString());
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EditorGUILayout.LabelField("hideFlags", nativeObject.size.ToString());
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DrawSpecificTexture2D(nativeObject);
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}
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var managedObject = _selectedThing as ManagedObject;
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if (managedObject != null)
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{
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GUILayout.Label("ManagedObject");
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EditorGUILayout.LabelField("Type", managedObject.typeDescription.name);
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EditorGUILayout.LabelField("Address", managedObject.address.ToString("X"));
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EditorGUILayout.LabelField("size", managedObject.size.ToString());
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if (managedObject.typeDescription.name == "System.String")
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EditorGUILayout.LabelField("value", StringTools.ReadString(_unpackedCrawl.managedHeap.Find(managedObject.address, _unpackedCrawl.virtualMachineInformation), _unpackedCrawl.virtualMachineInformation));
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DrawFields(managedObject);
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if (managedObject.typeDescription.isArray)
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{
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DrawArray(managedObject);
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}
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}
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if (_selectedThing is GCHandle)
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{
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GUILayout.Label("GCHandle");
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EditorGUILayout.LabelField("size", _selectedThing.size.ToString());
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}
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var staticFields = _selectedThing as StaticFields;
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if (staticFields != null)
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{
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GUILayout.Label("Static Fields");
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GUILayout.Label("Of type: " + staticFields.typeDescription.name);
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GUILayout.Label("size: " + staticFields.size);
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DrawFields(staticFields.typeDescription, new BytesAndOffset() { bytes = staticFields.typeDescription.staticFieldBytes, offset = 0, pointerSize = _unpackedCrawl.virtualMachineInformation.pointerSize}, true);
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}
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if (managedObject == null)
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{
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GUILayout.Space(10);
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GUILayout.BeginHorizontal();
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GUILayout.Label("References:", labelWidth);
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GUILayout.BeginVertical();
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DrawLinks(_selectedThing.references);
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GUILayout.EndVertical();
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GUILayout.EndHorizontal();
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}
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GUILayout.Space(10);
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GUILayout.Label("Referenced by:");
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DrawLinks(_selectedThing.referencedBy);
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GUILayout.Space(10);
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if (_shortestPath != null)
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{
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if (_shortestPath.Length > 1)
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{
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GUILayout.Label("ShortestPathToRoot");
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DrawLinks(_shortestPath);
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}
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string reason;
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_shortestPathToRootFinder.IsRoot(_shortestPath.Last(), out reason);
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GUILayout.Label("This is a root because:");
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GUILayout.TextArea(reason);
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}
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else
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{
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GUILayout.TextArea("No root is keeping this object alive. It will be collected next UnloadUnusedAssets() or scene load");
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}
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}
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GUILayout.EndScrollView();
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GUILayout.EndArea();
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}
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private void DrawSpecificTexture2D(NativeUnityEngineObject nativeObject)
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{
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if (nativeObject.className != "Texture2D")
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{
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_textureObject = null;
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return;
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}
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EditorGUILayout.HelpBox("Watching Texture Detail Data is only for Editor.", MessageType.Warning, true);
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if (_prevInstance != nativeObject.instanceID)
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{
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_textureObject = EditorUtility.InstanceIDToObject(nativeObject.instanceID) as Texture2D;
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_prevInstance = nativeObject.instanceID;
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}
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if (_textureObject != null)
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{
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EditorGUILayout.LabelField("textureInfo: " + _textureObject.width + "x" + _textureObject.height + " " + _textureObject.format);
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EditorGUILayout.ObjectField(_textureObject, typeof(Texture2D));
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_textureSize = EditorGUILayout.Slider(_textureSize, 100.0f, 1024.0f);
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GUILayout.Label(_textureObject, GUILayout.Width(_textureSize), GUILayout.Height(_textureSize * _textureObject.height / _textureObject.width));
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}
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else
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{
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EditorGUILayout.LabelField("Can't instance texture,maybe it was already released.");
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}
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}
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private void DrawArray(ManagedObject managedObject)
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{
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var typeDescription = managedObject.typeDescription;
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int elementCount = ArrayTools.ReadArrayLength(_unpackedCrawl.managedHeap, managedObject.address, typeDescription, _unpackedCrawl.virtualMachineInformation);
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GUILayout.Label("element count: " + elementCount);
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int rank = typeDescription.arrayRank;
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GUILayout.Label("arrayRank: " + rank);
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if (_unpackedCrawl.typeDescriptions[typeDescription.baseOrElementTypeIndex].isValueType)
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{
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GUILayout.Label("Cannot yet display elements of value type arrays");
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return;
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}
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if (rank != 1)
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{
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GUILayout.Label("Cannot display non rank=1 arrays yet.");
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return;
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}
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var pointers = new List<UInt64>();
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for (int i = 0; i != elementCount; i++)
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{
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pointers.Add(_primitiveValueReader.ReadPointer(managedObject.address + (UInt64)_unpackedCrawl.virtualMachineInformation.arrayHeaderSize + (UInt64)(i * _unpackedCrawl.virtualMachineInformation.pointerSize)));
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}
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GUILayout.Label("elements:");
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DrawLinks(pointers);
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}
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private void DrawFields(TypeDescription typeDescription, BytesAndOffset bytesAndOffset, bool useStatics = false)
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{
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int counter = 0;
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foreach (var field in TypeTools.AllFieldsOf(typeDescription, _unpackedCrawl.typeDescriptions, useStatics ? TypeTools.FieldFindOptions.OnlyStatic : TypeTools.FieldFindOptions.OnlyInstance))
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{
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counter++;
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var gUIStyle = counter % 2 == 0 ? Styles.entryEven : Styles.entryOdd;
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gUIStyle.margin = new RectOffset(0, 0, 0, 0);
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gUIStyle.overflow = new RectOffset(0, 0, 0, 0);
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gUIStyle.padding = EditorStyles.label.padding;
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GUILayout.BeginHorizontal(gUIStyle);
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GUILayout.Label(field.name, labelWidth);
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GUILayout.BeginVertical();
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DrawValueFor(field, bytesAndOffset.Add(field.offset));
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GUILayout.EndVertical();
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GUILayout.EndHorizontal();
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}
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}
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private void DrawFields(ManagedObject managedObject)
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{
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if (managedObject.typeDescription.isArray)
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return;
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GUILayout.Space(10);
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GUILayout.Label("Fields:");
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DrawFields(managedObject.typeDescription, _unpackedCrawl.managedHeap.Find(managedObject.address, _unpackedCrawl.virtualMachineInformation));
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}
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private void DrawValueFor(FieldDescription field, BytesAndOffset bytesAndOffset)
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{
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var typeDescription = _unpackedCrawl.typeDescriptions[field.typeIndex];
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switch (typeDescription.name)
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{
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case "System.Int32":
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GUILayout.Label(_primitiveValueReader.ReadInt32(bytesAndOffset).ToString());
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break;
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case "System.Int64":
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GUILayout.Label(_primitiveValueReader.ReadInt64(bytesAndOffset).ToString());
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break;
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case "System.UInt32":
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GUILayout.Label(_primitiveValueReader.ReadUInt32(bytesAndOffset).ToString());
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break;
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case "System.UInt64":
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GUILayout.Label(_primitiveValueReader.ReadUInt64(bytesAndOffset).ToString());
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break;
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case "System.Int16":
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GUILayout.Label(_primitiveValueReader.ReadInt16(bytesAndOffset).ToString());
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break;
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case "System.UInt16":
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GUILayout.Label(_primitiveValueReader.ReadUInt16(bytesAndOffset).ToString());
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break;
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case "System.Byte":
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GUILayout.Label(_primitiveValueReader.ReadByte(bytesAndOffset).ToString());
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break;
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case "System.SByte":
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GUILayout.Label(_primitiveValueReader.ReadSByte(bytesAndOffset).ToString());
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break;
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case "System.Char":
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GUILayout.Label(_primitiveValueReader.ReadChar(bytesAndOffset).ToString());
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break;
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case "System.Boolean":
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GUILayout.Label(_primitiveValueReader.ReadBool(bytesAndOffset).ToString());
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break;
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case "System.Single":
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GUILayout.Label(_primitiveValueReader.ReadSingle(bytesAndOffset).ToString());
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break;
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case "System.Double":
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GUILayout.Label(_primitiveValueReader.ReadDouble(bytesAndOffset).ToString());
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break;
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case "System.IntPtr":
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GUILayout.Label(_primitiveValueReader.ReadPointer(bytesAndOffset).ToString("X"));
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break;
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default:
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if (!typeDescription.isValueType)
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{
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ThingInMemory item = GetThingAt(bytesAndOffset.ReadPointer());
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if (item == null)
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{
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EditorGUI.BeginDisabledGroup(true);
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GUILayout.Button("Null");
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EditorGUI.EndDisabledGroup();
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}
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else
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{
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DrawLinks(new ThingInMemory[] { item });
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}
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}
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else
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{
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DrawFields(typeDescription, bytesAndOffset);
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}
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break;
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}
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}
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private ThingInMemory GetThingAt(ulong address)
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{
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if (!objectCache.ContainsKey(address))
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{
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objectCache[address] = _unpackedCrawl.allObjects.OfType<ManagedObject>().FirstOrDefault(mo => mo.address == address);
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}
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return objectCache[address];
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}
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/*
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private Item FindItemPointedToByManagedFieldAt(BytesAndOffset bytesAndOffset)
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{
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var stringAddress = _primitiveValueReader.ReadPointer(bytesAndOffset);
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return
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_items.FirstOrDefault(i =>
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{
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var m = i._thingInMemory as ManagedObject;
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if (m != null)
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{
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return m.address == stringAddress;
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}
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return false;
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});
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}*/
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private void DrawLinks(IEnumerable<UInt64> pointers)
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{
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DrawLinks(pointers.Select(p => GetThingAt(p)));
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}
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private void DrawLinks(IEnumerable<ThingInMemory> thingInMemories)
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{
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var c = GUI.backgroundColor;
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GUI.skin.button.alignment = TextAnchor.UpperLeft;
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foreach (var rb in thingInMemories)
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{
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EditorGUI.BeginDisabledGroup(rb == _selectedThing || rb == null);
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GUI.backgroundColor = ColorFor(rb);
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var caption = rb == null ? "null" : rb.caption;
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var managedObject = rb as ManagedObject;
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if (managedObject != null && managedObject.typeDescription.name == "System.String")
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caption = StringTools.ReadString(_unpackedCrawl.managedHeap.Find(managedObject.address, _unpackedCrawl.virtualMachineInformation), _unpackedCrawl.virtualMachineInformation);
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if (GUILayout.Button(caption))
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_hostWindow.SelectThing(rb);
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EditorGUI.EndDisabledGroup();
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}
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GUI.backgroundColor = c;
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}
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private Color ColorFor(ThingInMemory rb)
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{
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if (rb == null)
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return Color.gray;
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if (rb is NativeUnityEngineObject)
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return Color.red;
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if (rb is ManagedObject)
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return Color.Lerp(Color.blue, Color.white, 0.5f);
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if (rb is GCHandle)
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return Color.magenta;
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if (rb is StaticFields)
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return Color.yellow;
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throw new ArgumentException("Unexpected type: " + rb.GetType());
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}
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}
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}
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