AssetStudio/AssetStudio/StudioClasses/Studio.cs

749 lines
34 KiB
C#

using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.Globalization;
using System.IO;
using System.Linq;
using System.Threading;
using System.Windows.Forms;
using static AssetStudio.Exporter;
namespace AssetStudio
{
internal static class Studio
{
public static List<AssetsFile> assetsfileList = new List<AssetsFile>(); //loaded files
public static Dictionary<string, int> assetsFileIndexCache = new Dictionary<string, int>();
public static Dictionary<string, EndianBinaryReader> resourceFileReaders = new Dictionary<string, EndianBinaryReader>(); //use for read res files
public static List<AssetItem> exportableAssets = new List<AssetItem>(); //used to hold all assets while the ListView is filtered
private static HashSet<string> assetsNameHash = new HashSet<string>(); //avoid the same name asset
public static List<AssetItem> visibleAssets = new List<AssetItem>(); //used to build the ListView from all or filtered assets
public static Dictionary<string, SortedDictionary<int, TypeTreeItem>> AllTypeMap = new Dictionary<string, SortedDictionary<int, TypeTreeItem>>();
public static List<GameObjectTreeNode> treeNodeCollection = new List<GameObjectTreeNode>();
public static Dictionary<GameObject, GameObjectTreeNode> treeNodeDictionary = new Dictionary<GameObject, GameObjectTreeNode>();
public static string mainPath;
public static string productName = string.Empty;
//UI
public static Action<int> SetProgressBarValue;
public static Action<int> SetProgressBarMaximum;
public static Action ProgressBarPerformStep;
public static Action<string> StatusStripUpdate;
public static Action<int> ProgressBarMaximumAdd;
public enum FileType
{
AssetsFile,
BundleFile,
WebFile
}
public static FileType CheckFileType(Stream stream, out EndianBinaryReader reader)
{
reader = new EndianBinaryReader(stream);
return CheckFileType(reader);
}
public static FileType CheckFileType(string fileName, out EndianBinaryReader reader)
{
reader = new EndianBinaryReader(File.OpenRead(fileName));
return CheckFileType(reader);
}
private static FileType CheckFileType(EndianBinaryReader reader)
{
var signature = reader.ReadStringToNull();
reader.Position = 0;
switch (signature)
{
case "UnityWeb":
case "UnityRaw":
case "\xFA\xFA\xFA\xFA\xFA\xFA\xFA\xFA":
case "UnityFS":
return FileType.BundleFile;
case "UnityWebData1.0":
return FileType.WebFile;
default:
{
var magic = reader.ReadBytes(2);
reader.Position = 0;
if (WebFile.gzipMagic.SequenceEqual(magic))
{
return FileType.WebFile;
}
reader.Position = 0x20;
magic = reader.ReadBytes(6);
reader.Position = 0;
if (WebFile.brotliMagic.SequenceEqual(magic))
{
return FileType.WebFile;
}
return FileType.AssetsFile;
}
}
}
public static void ExtractFile(string[] fileNames)
{
ThreadPool.QueueUserWorkItem(state =>
{
int extractedCount = 0;
foreach (var fileName in fileNames)
{
var type = CheckFileType(fileName, out var reader);
if (type == FileType.BundleFile)
extractedCount += ExtractBundleFile(fileName, reader);
else if (type == FileType.WebFile)
extractedCount += ExtractWebDataFile(fileName, reader);
else
reader.Dispose();
ProgressBarPerformStep();
}
StatusStripUpdate($"Finished extracting {extractedCount} files.");
});
}
private static int ExtractBundleFile(string bundleFileName, EndianBinaryReader reader)
{
StatusStripUpdate($"Decompressing {Path.GetFileName(bundleFileName)} ...");
var bundleFile = new BundleFile(reader, bundleFileName);
reader.Dispose();
if (bundleFile.fileList.Count > 0)
{
var extractPath = bundleFileName + "_unpacked\\";
Directory.CreateDirectory(extractPath);
return ExtractStreamFile(extractPath, bundleFile.fileList);
}
return 0;
}
private static int ExtractWebDataFile(string webFileName, EndianBinaryReader reader)
{
StatusStripUpdate($"Decompressing {Path.GetFileName(webFileName)} ...");
var webFile = new WebFile(reader);
reader.Dispose();
if (webFile.fileList.Count > 0)
{
var extractPath = webFileName + "_unpacked\\";
Directory.CreateDirectory(extractPath);
return ExtractStreamFile(extractPath, webFile.fileList);
}
return 0;
}
private static int ExtractStreamFile(string extractPath, List<StreamFile> fileList)
{
int extractedCount = 0;
foreach (var file in fileList)
{
var filePath = extractPath + file.fileName;
if (!Directory.Exists(extractPath))
{
Directory.CreateDirectory(extractPath);
}
if (!File.Exists(filePath) && file.stream is MemoryStream stream)
{
File.WriteAllBytes(filePath, stream.ToArray());
extractedCount += 1;
}
file.stream.Dispose();
}
return extractedCount;
}
public static void BuildAssetStructures(bool loadAssets, bool displayAll, bool buildHierarchy, bool buildClassStructures, bool displayOriginalName)
{
var tempDic = new Dictionary<ObjectReader, AssetItem>();
// first loop - read asset data & create list
if (loadAssets)
{
SetProgressBarValue(0);
SetProgressBarMaximum(assetsfileList.Sum(x => x.ObjectReaders.Count));
StatusStripUpdate("Building asset list...");
var fileIDfmt = "D" + assetsfileList.Count.ToString().Length;
for (var i = 0; i < assetsfileList.Count; i++)
{
var assetsFile = assetsfileList[i];
var tempExportableAssets = new List<AssetItem>();
var fileID = i.ToString(fileIDfmt);
AssetBundle ab = null;
var j = 0;
var assetIDfmt = "D" + assetsFile.m_Objects.Count.ToString().Length;
foreach (var objectReader in assetsFile.ObjectReaders.Values)
{
var assetItem = new AssetItem(objectReader);
tempDic.Add(objectReader, assetItem);
assetItem.UniqueID = fileID + j.ToString(assetIDfmt);
var exportable = false;
switch (assetItem.Type)
{
case ClassIDType.GameObject:
{
var m_GameObject = new GameObject(objectReader);
assetItem.Text = m_GameObject.m_Name;
assetsFile.GameObjects.Add(objectReader.m_PathID, m_GameObject);
break;
}
case ClassIDType.Transform:
{
var m_Transform = new Transform(objectReader);
assetsFile.Transforms.Add(objectReader.m_PathID, m_Transform);
break;
}
case ClassIDType.RectTransform:
{
var m_Rect = new RectTransform(objectReader);
assetsFile.Transforms.Add(objectReader.m_PathID, m_Rect);
break;
}
case ClassIDType.Texture2D:
{
var m_Texture2D = new Texture2D(objectReader, false);
if (!string.IsNullOrEmpty(m_Texture2D.path))
assetItem.FullSize = objectReader.byteSize + m_Texture2D.size;
goto case ClassIDType.NamedObject;
}
case ClassIDType.AudioClip:
{
var m_AudioClip = new AudioClip(objectReader, false);
if (!string.IsNullOrEmpty(m_AudioClip.m_Source))
assetItem.FullSize = objectReader.byteSize + m_AudioClip.m_Size;
goto case ClassIDType.NamedObject;
}
case ClassIDType.VideoClip:
{
var m_VideoClip = new VideoClip(objectReader, false);
if (!string.IsNullOrEmpty(m_VideoClip.m_OriginalPath))
assetItem.FullSize = objectReader.byteSize + (long)m_VideoClip.m_Size;
goto case ClassIDType.NamedObject;
}
case ClassIDType.NamedObject:
case ClassIDType.Mesh:
case ClassIDType.Shader:
case ClassIDType.TextAsset:
case ClassIDType.AnimationClip:
case ClassIDType.Font:
case ClassIDType.MovieTexture:
case ClassIDType.Sprite:
{
var obj = new NamedObject(objectReader);
assetItem.Text = obj.m_Name;
exportable = true;
break;
}
case ClassIDType.Avatar:
case ClassIDType.AnimatorController:
case ClassIDType.AnimatorOverrideController:
case ClassIDType.Material:
case ClassIDType.MonoScript:
case ClassIDType.SpriteAtlas:
{
var obj = new NamedObject(objectReader);
assetItem.Text = obj.m_Name;
break;
}
case ClassIDType.Animator:
{
exportable = true;
break;
}
case ClassIDType.MonoBehaviour:
{
var m_MonoBehaviour = new MonoBehaviour(objectReader);
if (m_MonoBehaviour.m_Name == "" && m_MonoBehaviour.m_Script.TryGet(out var script))
{
var m_Script = new MonoScript(script);
assetItem.Text = m_Script.m_ClassName;
}
else
{
assetItem.Text = m_MonoBehaviour.m_Name;
}
exportable = true;
break;
}
case ClassIDType.PlayerSettings:
{
var plSet = new PlayerSettings(objectReader);
productName = plSet.productName;
break;
}
case ClassIDType.AssetBundle:
{
ab = new AssetBundle(objectReader);
assetItem.Text = ab.m_Name;
break;
}
}
if (assetItem.Text == "")
{
assetItem.Text = assetItem.TypeString + " #" + assetItem.UniqueID;
}
assetItem.SubItems.AddRange(new[] { assetItem.TypeString, assetItem.FullSize.ToString() });
//处理同名文件
if (!assetsNameHash.Add((assetItem.TypeString + assetItem.Text).ToUpper()))
{
assetItem.Text += " #" + assetItem.UniqueID;
}
//处理非法文件名
assetItem.Text = FixFileName(assetItem.Text);
if (displayAll)
{
exportable = true;
}
if (exportable)
{
tempExportableAssets.Add(assetItem);
}
objectReader.exportName = assetItem.Text;
ProgressBarPerformStep();
j++;
}
if (displayOriginalName)
{
foreach (var x in tempExportableAssets)
{
var replacename = ab?.m_Container.Find(y => y.second.asset.m_PathID == x.reader.m_PathID)?.first;
if (!string.IsNullOrEmpty(replacename))
{
var ex = Path.GetExtension(replacename);
x.Text = !string.IsNullOrEmpty(ex) ? replacename.Replace(ex, "") : replacename;
x.reader.exportName = x.Text;
}
}
}
exportableAssets.AddRange(tempExportableAssets);
tempExportableAssets.Clear();
}
visibleAssets = exportableAssets;
assetsNameHash.Clear();
}
// second loop - build tree structure
if (buildHierarchy)
{
var gameObjectCount = assetsfileList.Sum(x => x.GameObjects.Count);
if (gameObjectCount > 0)
{
SetProgressBarValue(0);
SetProgressBarMaximum(gameObjectCount);
StatusStripUpdate("Building tree structure...");
foreach (var assetsFile in assetsfileList)
{
var fileNode = new GameObjectTreeNode(null); //RootNode
fileNode.Text = assetsFile.fileName;
foreach (var m_GameObject in assetsFile.GameObjects.Values)
{
foreach (var m_Component in m_GameObject.m_Components)
{
if (m_Component.TryGet(out var asset))
{
switch (asset.type)
{
case ClassIDType.Transform:
{
m_GameObject.m_Transform = m_Component;
break;
}
case ClassIDType.MeshRenderer:
{
m_GameObject.m_MeshRenderer = m_Component;
break;
}
case ClassIDType.MeshFilter:
{
m_GameObject.m_MeshFilter = m_Component;
if (m_Component.TryGet(out var objectReader))
{
var m_MeshFilter = new MeshFilter(objectReader);
if (m_MeshFilter.m_Mesh.TryGet(out objectReader))
{
var item = tempDic[objectReader];
item.gameObject = m_GameObject;
}
}
break;
}
case ClassIDType.SkinnedMeshRenderer:
{
m_GameObject.m_SkinnedMeshRenderer = m_Component;
if (m_Component.TryGet(out var objectReader))
{
var m_SkinnedMeshRenderer = new SkinnedMeshRenderer(objectReader);
if (m_SkinnedMeshRenderer.m_Mesh.TryGet(out objectReader))
{
var item = tempDic[objectReader];
item.gameObject = m_GameObject;
}
}
break;
}
case ClassIDType.Animator:
{
m_GameObject.m_Animator = m_Component;
var item = tempDic[asset];
item.Text = m_GameObject.reader.exportName;
asset.exportName = m_GameObject.reader.exportName;
break;
}
}
}
}
var parentNode = fileNode;
if (m_GameObject.m_Transform != null && m_GameObject.m_Transform.TryGetTransform(out var m_Transform))
{
if (m_Transform.m_Father.TryGetTransform(out var m_Father))
{
if (m_Father.m_GameObject.TryGetGameObject(out var parentGameObject))
{
if (!treeNodeDictionary.TryGetValue(parentGameObject, out parentNode))
{
parentNode = new GameObjectTreeNode(parentGameObject);
treeNodeDictionary.Add(parentGameObject, parentNode);
}
}
}
}
if (!treeNodeDictionary.TryGetValue(m_GameObject, out var currentNode))
{
currentNode = new GameObjectTreeNode(m_GameObject);
treeNodeDictionary.Add(m_GameObject, currentNode);
}
parentNode.Nodes.Add(currentNode);
ProgressBarPerformStep();
}
if (fileNode.Nodes.Count > 0)
{
treeNodeCollection.Add(fileNode);
}
}
}
}
tempDic.Clear();
// build list of class strucutres
if (buildClassStructures)
{
foreach (var assetsFile in assetsfileList)
{
if (AllTypeMap.TryGetValue(assetsFile.unityVersion, out var curVer))
{
foreach (var type in assetsFile.m_Types.Where(x => x.m_Nodes != null))
{
var key = type.classID;
if (type.m_ScriptTypeIndex >= 0)
{
key = -1 - type.m_ScriptTypeIndex;
}
curVer[key] = new TypeTreeItem(key, type.m_Nodes);
}
}
else
{
var items = new SortedDictionary<int, TypeTreeItem>();
foreach (var type in assetsFile.m_Types.Where(x => x.m_Nodes != null))
{
var key = type.classID;
if (type.m_ScriptTypeIndex >= 0)
{
key = -1 - type.m_ScriptTypeIndex;
}
items.Add(key, new TypeTreeItem(key, type.m_Nodes));
}
AllTypeMap.Add(assetsFile.unityVersion, items);
}
}
}
}
public static string FixFileName(string str)
{
if (str.Length >= 260) return Path.GetRandomFileName();
return Path.GetInvalidFileNameChars().Aggregate(str, (current, c) => current.Replace(c, '_'));
}
public static string[] ProcessingSplitFiles(List<string> selectFile)
{
var splitFiles = selectFile.Where(x => x.Contains(".split"))
.Select(x => Path.GetDirectoryName(x) + "\\" + Path.GetFileNameWithoutExtension(x))
.Distinct()
.ToList();
selectFile.RemoveAll(x => x.Contains(".split"));
foreach (var file in splitFiles)
{
if (File.Exists(file))
{
selectFile.Add(file);
}
}
return selectFile.Distinct().ToArray();
}
public static void ExportAssets(string savePath, List<AssetItem> toExportAssets, int assetGroupSelectedIndex, bool openAfterExport)
{
ThreadPool.QueueUserWorkItem(state =>
{
Thread.CurrentThread.CurrentCulture = new CultureInfo("en-US");
int toExport = toExportAssets.Count;
int exportedCount = 0;
SetProgressBarValue(0);
SetProgressBarMaximum(toExport);
foreach (var asset in toExportAssets)
{
var exportpath = savePath + "\\";
if (assetGroupSelectedIndex == 1)
{
exportpath += Path.GetFileNameWithoutExtension(asset.sourceFile.filePath) + "_export\\";
}
else if (assetGroupSelectedIndex == 0)
{
exportpath = savePath + "\\" + asset.TypeString + "\\";
}
StatusStripUpdate($"Exporting {asset.TypeString}: {asset.Text}");
var reader = asset.reader;
try
{
switch (asset.Type)
{
case ClassIDType.Texture2D:
if (ExportTexture2D(reader, exportpath, true))
{
exportedCount++;
}
break;
case ClassIDType.AudioClip:
if (ExportAudioClip(reader, exportpath))
{
exportedCount++;
}
break;
case ClassIDType.Shader:
if (ExportShader(reader, exportpath))
{
exportedCount++;
}
break;
case ClassIDType.TextAsset:
if (ExportTextAsset(reader, exportpath))
{
exportedCount++;
}
break;
case ClassIDType.MonoBehaviour:
if (ExportMonoBehaviour(reader, exportpath))
{
exportedCount++;
}
break;
case ClassIDType.Font:
if (ExportFont(reader, exportpath))
{
exportedCount++;
}
break;
case ClassIDType.Mesh:
if (ExportMesh(reader, exportpath))
{
exportedCount++;
}
break;
case ClassIDType.VideoClip:
if (ExportVideoClip(reader, exportpath))
{
exportedCount++;
}
break;
case ClassIDType.MovieTexture:
if (ExportMovieTexture(reader, exportpath))
{
exportedCount++;
}
break;
case ClassIDType.Sprite:
if (ExportSprite(reader, exportpath))
{
exportedCount++;
}
break;
case ClassIDType.Animator:
if (ExportAnimator(reader, exportpath))
{
exportedCount++;
}
break;
case ClassIDType.AnimationClip:
break;
default:
if (ExportRawFile(reader, exportpath))
{
exportedCount++;
}
break;
}
}
catch (Exception ex)
{
MessageBox.Show($"Export {asset.Type}:{asset.Text} error\r\n{ex.Message}\r\n{ex.StackTrace}");
}
ProgressBarPerformStep();
}
var statusText = exportedCount == 0 ? "Nothing exported." : $"Finished exporting {exportedCount} assets.";
if (toExport > exportedCount)
{
statusText += $" {toExport - exportedCount} assets skipped (not extractable or files already exist)";
}
StatusStripUpdate(statusText);
if (openAfterExport && exportedCount > 0)
{
Process.Start(savePath);
}
});
}
public static void ExportSplitObjects(string savePath, TreeNodeCollection nodes)
{
ThreadPool.QueueUserWorkItem(state =>
{
foreach (GameObjectTreeNode node in nodes)
{
//遍历一级子节点
foreach (GameObjectTreeNode j in node.Nodes)
{
ProgressBarPerformStep();
//收集所有子节点
var gameObjects = new List<GameObject>();
CollectNode(j, gameObjects);
//跳过一些不需要导出的object
if (gameObjects.All(x => x.m_SkinnedMeshRenderer == null && x.m_MeshFilter == null))
continue;
//处理非法文件名
var filename = FixFileName(j.Text);
//每个文件存放在单独的文件夹
var targetPath = $"{savePath}{filename}\\";
//重名文件处理
for (int i = 1; ; i++)
{
if (Directory.Exists(targetPath))
{
targetPath = $"{savePath}{filename} ({i})\\";
}
else
{
break;
}
}
Directory.CreateDirectory(targetPath);
//导出FBX
StatusStripUpdate($"Exporting {filename}.fbx");
try
{
ExportGameObject(j.gameObject, targetPath);
}
catch (Exception ex)
{
MessageBox.Show($"{ex.Message}\r\n{ex.StackTrace}");
}
StatusStripUpdate($"Finished exporting {filename}.fbx");
}
}
StatusStripUpdate("Finished");
});
}
private static void CollectNode(GameObjectTreeNode node, List<GameObject> gameObjects)
{
gameObjects.Add(node.gameObject);
foreach (GameObjectTreeNode i in node.Nodes)
{
CollectNode(i, gameObjects);
}
}
public static void ExportAnimatorWithAnimationClip(AssetItem animator, List<AssetItem> animationList, string exportPath)
{
ThreadPool.QueueUserWorkItem(state =>
{
StatusStripUpdate($"Exporting {animator.Text}");
try
{
ExportAnimator(animator.reader, exportPath, animationList);
StatusStripUpdate($"Finished exporting {animator.Text}");
}
catch (Exception ex)
{
MessageBox.Show($"{ex.Message}\r\n{ex.StackTrace}");
StatusStripUpdate("Error in export");
}
ProgressBarPerformStep();
});
}
public static void ExportObjectsWithAnimationClip(string exportPath, TreeNodeCollection nodes, List<AssetItem> animationList = null)
{
ThreadPool.QueueUserWorkItem(state =>
{
var gameObjects = new List<GameObject>();
GetSelectedParentNode(nodes, gameObjects);
if (gameObjects.Count > 0)
{
SetProgressBarValue(0);
SetProgressBarMaximum(gameObjects.Count);
foreach (var gameObject in gameObjects)
{
StatusStripUpdate($"Exporting {gameObject.m_Name}");
try
{
ExportGameObject(gameObject, exportPath, animationList);
StatusStripUpdate($"Finished exporting {gameObject.m_Name}");
}
catch (Exception ex)
{
MessageBox.Show($"{ex.Message}\r\n{ex.StackTrace}");
StatusStripUpdate("Error in export");
}
ProgressBarPerformStep();
}
}
else
{
StatusStripUpdate("No Object can be exported.");
}
});
}
private static void GetSelectedParentNode(TreeNodeCollection nodes, List<GameObject> gameObjects)
{
foreach (GameObjectTreeNode i in nodes)
{
if (i.Checked)
{
gameObjects.Add(i.gameObject);
}
else
{
GetSelectedParentNode(i.Nodes, gameObjects);
}
}
}
}
}