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Add support for separate PreloadData

Browse Source 
https://github.com/Perfare/AssetStudio/issues/690

https://docs.unity.cn/550/Documentation/Manual/AssetBundleInternalStructure.html
This commit is contained in:
VaDiM 2023-11-21 01:35:25 +03:00
parent b27482e22b
commit efd06648ad
5 changed files with 99 additions and 20 deletions
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3
AssetStudio/AssetsManager.cs
View File

@ -532,6 +532,9 @@ namespace AssetStudio
case ClassIDType.PlayerSettings:
obj = new PlayerSettings(objectReader);
break;
case ClassIDType.PreloadData:
obj = new PreloadData(objectReader);
break;
case ClassIDType.RectTransform:
obj = new RectTransform(objectReader);
break;

34
AssetStudio/Classes/AssetBundle.cs
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@ -1,7 +1,4 @@
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Collections.Generic;
namespace AssetStudio
{
@ -23,22 +20,47 @@ namespace AssetStudio
{
public PPtr<Object>[] m_PreloadTable;
public KeyValuePair<string, AssetInfo>[] m_Container;
public string m_AssetBundleName;
public string[] m_Dependencies;
public bool m_IsStreamedSceneAssetBundle;
public AssetBundle(ObjectReader reader) : base(reader)
{
var m_PreloadTableSize = reader.ReadInt32();
m_PreloadTable = new PPtr<Object>[m_PreloadTableSize];
for (int i = 0; i < m_PreloadTableSize; i++)
for (var i = 0; i < m_PreloadTableSize; i++)
{
m_PreloadTable[i] = new PPtr<Object>(reader);
}
var m_ContainerSize = reader.ReadInt32();
m_Container = new KeyValuePair<string, AssetInfo>[m_ContainerSize];
for (int i = 0; i < m_ContainerSize; i++)
for (var i = 0; i < m_ContainerSize; i++)
{
m_Container[i] = new KeyValuePair<string, AssetInfo>(reader.ReadAlignedString(), new AssetInfo(reader));
}
var m_MainAsset = new AssetInfo(reader);
if (version[0] > 4 || (version[0] == 4 && version[1] >= 2)) //4.2 and up
{
var m_RuntimeCompatibility = reader.ReadUInt32();
}
if (version[0] >= 5) //5.0 and up
{
m_AssetBundleName = reader.ReadAlignedString();
var m_DependenciesSize = reader.ReadInt32();
m_Dependencies = new string[m_DependenciesSize];
for (var i = 0; i < m_DependenciesSize; i++)
{
m_Dependencies[i] = reader.ReadAlignedString();
}
m_IsStreamedSceneAssetBundle = reader.ReadBoolean();
}
}
}
}

35
AssetStudio/Classes/PreloadData.cs Normal file
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@ -0,0 +1,35 @@
namespace AssetStudio
{
public sealed class PreloadData : NamedObject
{
public PPtr<Object>[] m_Assets;
public PreloadData(ObjectReader reader) : base(reader)
{
var m_PreloadTableSize = reader.ReadInt32();
m_Assets = new PPtr<Object>[m_PreloadTableSize];
for (var i = 0; i < m_PreloadTableSize; i++)
{
m_Assets[i] = new PPtr<Object>(reader);
}
/*
if (version[0] >= 5) //5.0 and up
{
var m_DependenciesSize = reader.ReadInt32();
var m_Dependencies = new string[m_DependenciesSize];
for (var i = 0; i < m_DependenciesSize; i++)
{
m_Dependencies[i] = reader.ReadAlignedString();
}
}
if (version[0] > 2018 || (version[0] == 2018 && version[1] >= 2)) //2018.2 and up
{
var m_ExplicitDataLayout = reader.ReadBoolean();
}
*/
}
}
}

22
AssetStudioCLI/Studio.cs
View File

@ -62,6 +62,7 @@ namespace AssetStudioCLI
var i = 0;
foreach (var assetsFile in assetsManager.assetsFileList)
{
var preloadTable = Array.Empty<PPtr<AssetStudio.Object>>();
foreach (var asset in assetsFile.Objects)
{
var assetItem = new AssetItem(asset);
@ -70,22 +71,31 @@ namespace AssetStudioCLI
var isExportable = false;
switch (asset)
{
case PreloadData m_PreloadData:
preloadTable = m_PreloadData.m_Assets;
break;
case AssetBundle m_AssetBundle:
var isStreamedSceneAssetBundle = m_AssetBundle.m_IsStreamedSceneAssetBundle;
if (!isStreamedSceneAssetBundle)
{
preloadTable = m_AssetBundle.m_PreloadTable;
}
assetItem.Text = string.IsNullOrEmpty(m_AssetBundle.m_AssetBundleName) ? m_AssetBundle.m_Name : m_AssetBundle.m_AssetBundleName;
foreach (var m_Container in m_AssetBundle.m_Container)
{
var preloadIndex = m_Container.Value.preloadIndex;
var preloadSize = m_Container.Value.preloadSize;
var preloadSize = isStreamedSceneAssetBundle ? preloadTable.Length : m_Container.Value.preloadSize;
var preloadEnd = preloadIndex + preloadSize;
for (int k = preloadIndex; k < preloadEnd; k++)
for (var k = preloadIndex; k < preloadEnd; k++)
{
var pptr = m_AssetBundle.m_PreloadTable[k];
var pptr = preloadTable[k];
if (pptr.TryGet(out var obj))
{
containers[obj] = m_Container.Key;
}
}
}
assetItem.Text = m_AssetBundle.m_Name;
break;
case ResourceManager m_ResourceManager:
foreach (var m_Container in m_ResourceManager.m_Container)
@ -152,9 +162,9 @@ namespace AssetStudioCLI
}
foreach (var asset in fileAssetsList)
{
if (containers.ContainsKey(asset.Asset))
if (containers.TryGetValue(asset.Asset, out var container))
{
asset.Container = containers[asset.Asset];
asset.Container = container;
}
}
parsedAssetsList.AddRange(fileAssetsList);

23
AssetStudioGUI/Studio.cs
View File

@ -162,6 +162,8 @@ namespace AssetStudioGUI
Progress.Reset();
foreach (var assetsFile in assetsManager.assetsFileList)
{
var preloadTable = Array.Empty<PPtr<Object>>();
foreach (var asset in assetsFile.Objects)
{
var assetItem = new AssetItem(asset);
@ -170,6 +172,9 @@ namespace AssetStudioGUI
var exportable = false;
switch (asset)
{
case PreloadData m_PreloadData:
preloadTable = m_PreloadData.m_Assets;
break;
case GameObject m_GameObject:
assetItem.Text = m_GameObject.m_Name;
break;
@ -187,7 +192,7 @@ namespace AssetStudioGUI
break;
case VideoClip m_VideoClip:
if (!string.IsNullOrEmpty(m_VideoClip.m_OriginalPath))
assetItem.FullSize = asset.byteSize + (long)m_VideoClip.m_ExternalResources.m_Size;
assetItem.FullSize = asset.byteSize + m_VideoClip.m_ExternalResources.m_Size;
assetItem.Text = m_VideoClip.m_Name;
exportable = true;
break;
@ -226,17 +231,23 @@ namespace AssetStudioGUI
productName = m_PlayerSettings.productName;
break;
case AssetBundle m_AssetBundle:
var isStreamedSceneAssetBundle = m_AssetBundle.m_IsStreamedSceneAssetBundle;
if (!isStreamedSceneAssetBundle)
{
preloadTable = m_AssetBundle.m_PreloadTable;
}
assetItem.Text = string.IsNullOrEmpty(m_AssetBundle.m_AssetBundleName) ? m_AssetBundle.m_Name : m_AssetBundle.m_AssetBundleName;
foreach (var m_Container in m_AssetBundle.m_Container)
{
var preloadIndex = m_Container.Value.preloadIndex;
var preloadSize = m_Container.Value.preloadSize;
var preloadSize = isStreamedSceneAssetBundle ? preloadTable.Length : m_Container.Value.preloadSize;
var preloadEnd = preloadIndex + preloadSize;
for (int k = preloadIndex; k < preloadEnd; k++)
for (var k = preloadIndex; k < preloadEnd; k++)
{
containers.Add((m_AssetBundle.m_PreloadTable[k], m_Container.Key));
containers.Add((preloadTable[k], m_Container.Key));
}
}
assetItem.Text = m_AssetBundle.m_Name;
break;
case ResourceManager m_ResourceManager:
foreach (var m_Container in m_ResourceManager.m_Container)
@ -349,7 +360,6 @@ namespace AssetStudioGUI
Progress.Report(++j, assetsFileCount);
}
treeNodeDictionary.Clear();
objectAssetItemDic.Clear();
return (productName, treeNodeCollection);
@ -387,7 +397,6 @@ namespace AssetStudioGUI
typeMap.Add(assetsFile.unityVersion, items);
}
}
return typeMap;
}