public object Parse(TypeNode typeNode, ArchiveBinaryReader reader)
{
object result = null;
switch (typeNode.TypeFlag)
{
case "bool":
result = reader.ReadBoolean();
break;
case "SInt8":
result = reader.ReadSByte();
break;
case "char":
case "UInt8":
result = reader.ReadByte();
break;
case "short":
case "SInt16":
result = reader.ReadInt16();
break;
case "unsigned short":
case "UInt16":
result = reader.ReadUInt16();
break;
case "int":
case "SInt32":
result = reader.ReadInt32();
break;
case "unsigned int":
case "UInt32":
case "Type*":
result = reader.ReadUInt32();
break;
case "long long":
case "SInt64":
result = reader.ReadInt64();
break;
case "unsigned long long":
case "UInt64":
result = reader.ReadUInt64();
break;
case "float":
result = reader.ReadSingle();
break;
case "double":
result = reader.ReadDouble();
break;
case "Quaternionf":
{
result = reader.ReadQuaternion();
break;
}
case "float4":
case "Vector4f":
{
result = reader.ReadVector4();
break;
}
case "float3":
case "Vector3f":
{
result = reader.ReadVector3();
break;
}
case "float2":
case "Vector2f":
{
result = reader.ReadVector2();
break;
}
case "ColorRGBA":
{
if (typeNode.Version == 2)
{
result = reader.ReadColor32();
}
else
{
result = reader.ReadColor();
}
break;
}
case "Matrix4x4f":
{
result = reader.ReadMatrix4x4();
break;
}
case "Hash128":
{
result = reader.ReadHash128();
break;
}
case "string":
{
result = reader.ReadString();
break;
}
case "vector":
case "staticvector":
case "set":
{
var valueTypeNode = typeNode.Children[0];
result = this.Parse(valueTypeNode, reader);
break;
}
case "map":
{
var pairTypeNode = typeNode.Children[0].Children[1];
var keyTypeNode = pairTypeNode.Children[0];
var valueTypeNode = pairTypeNode.Children[1];
var size = reader.ReadInt32();
Map map = new Map(typeNode);
for (int i = 0; i < size; i++)
{
var key = this.Parse(keyTypeNode, reader);
var value = this.Parse(valueTypeNode, reader);
map.Add(key, value);
}
result = map;
break;
}
case "Array":
{
var valueTypeNode = typeNode.Children[1];
var size = reader.ReadInt32();
result = this.ParseArray(valueTypeNode, size, reader);
break;
}
case "PPtr":
{
var fileID = reader.ReadInt32();
var pathID = reader.ReadInt64();
result = new PPtr(fileID, pathID, typeNode.TypeName);
break;
}
case "TypelessData":
{
var size = reader.ReadInt32();
result = new TypelessData(reader.ReadBytes(size));
break;
}
case "StreamedResource":
{
var source = reader.ReadString();
var offset = reader.ReadUInt64();
var size = reader.ReadUInt64();
var streamedResource = new StreamedResource(source, offset, size);
result = streamedResource;
break;
}
case "AssetBundle":
{
AssetBundle bundle = new AssetBundle(((TypeTree)typeNode).Archive);
bundle.FullName = reader.ReadString();
var size = reader.ReadInt32();
List <PPtr> preloadTable = new List <PPtr>(size);
for (int i = 0; i < size; i++)
{
PPtr pptr = new PPtr(reader.ReadInt32(), reader.ReadInt64(), "PPtr<Object>");
preloadTable.Add(pptr);
}
bundle.Preloads.AddRange(preloadTable);
size = reader.ReadInt32();
List <AssetPair> container = new List <AssetPair>(size);
for (int i = 0; i < size; i++)
{
var first = reader.ReadString();
var preloadIndex = reader.ReadInt32();
var preloadSize = reader.ReadInt32();
var pptr = new PPtr(reader.ReadInt32(), reader.ReadInt64(), "PPtr<Object>");
var pair = new AssetPair(first, new Objects.AssetInfo(preloadIndex, preloadSize, pptr));
container.Add(pair);
}
bundle.Container.AddRange(container);
bundle.MainAsset = new Objects.AssetInfo(reader.ReadInt32(), reader.ReadInt32(), new PPtr(reader.ReadInt32(), reader.ReadInt64(), "PPtr<Object>"));
bundle.RuntimeCompatibility = reader.ReadUInt32();
bundle.Name = reader.ReadString();
size = reader.ReadInt32();
List <string> dependencies = new List <string>(size);
for (int i = 0; i < size; i++)
{
dependencies.Add(reader.ReadString());
}
bundle.Dependencies.AddRange(dependencies);
bundle.IsStreamed = reader.ReadBoolean();
result = bundle;
break;
}
case "PreloadData":
{
PreloadData preloadData = new PreloadData(((TypeTree)typeNode).Archive);
preloadData.Name = reader.ReadString();
var size = reader.ReadInt32();
List <PPtr> preloadTable = new List <PPtr>(size);
for (int i = 0; i < size; i++)
{
PPtr pptr = new PPtr(reader.ReadInt32(), reader.ReadInt64(), "PPtr<Object>");
preloadTable.Add(pptr);
}
preloadData.Preloads.AddRange(preloadTable);
size = reader.ReadInt32();
List <string> dependencies = new List <string>(size);
for (int i = 0; i < size; i++)
{
dependencies.Add(reader.ReadString());
}
preloadData.Dependencies.AddRange(dependencies);
result = preloadData;
break;
}
case "AssetBundleManifest":
{
Objects.AssetBundleManifest obj = new Objects.AssetBundleManifest((TypeTree)typeNode);
foreach (TypeNode childNode in typeNode.Children)
{
var key = childNode.FieldName;
var childValue = this.Parse(childNode, reader);
obj[key] = childValue;
}
result = obj;
break;
}
default:
{
DynamicObject obj = typeNode is TypeTree ? new UnityDynamicObject((TypeTree)typeNode) : new DynamicObject(typeNode);
foreach (TypeNode childNode in typeNode.Children)
{
var key = childNode.FieldName;
var childValue = this.Parse(childNode, reader);
obj[key] = childValue;
}
result = obj;
break;
}
}
if (typeNode.IsAlign)
{
reader.Align(4);
}
return(result);
}
protected virtual void Load(ArchiveBinaryReader reader)
{
try
{
long startPos = reader.BaseStream.Position;
int headerSize = reader.ReadInt32(true);
var fileSize = reader.ReadInt32(true);
this.Format = reader.ReadInt32(true);
this.assetDataOffset = reader.ReadUInt32(true);
if (this.Format < 17)
{
throw new NotSupportedException(string.Format("The AssetBundle's format not supported,format:{0}", this.Format));
}
bool bigEndian = reader.ReadBoolean();
reader.IsBigEndian = bigEndian;
reader.ReadBytes(3);
this.Version = reader.ReadCString();
this.TargetPlatform = reader.ReadUInt32();
//读取类型树
var hasTypeTree = reader.ReadBoolean();
if (!hasTypeTree)
{
throw new NotSupportedException("Missing type tree, not supported");
}
Hash128 zero = new Hash128(new byte[16]);
var typeTreeCount = reader.ReadInt32();
for (var i = 0; i < typeTreeCount; i++)
{
var typeId = reader.ReadInt32();
reader.ReadByte();
var scriptIndex = reader.ReadInt16();
var hash = reader.ReadHash128();
var propertiesHash = typeId == 114 ? reader.ReadHash128() : zero;
var tree = new TypeTree(this, i, Enum.IsDefined(typeof(TypeID), typeId) ? (TypeID)typeId : TypeID.UnknownType, scriptIndex, hash, propertiesHash);
tree.Load(reader);
this.trees.Add(tree);
}
//读取对象信息
var objectCount = reader.ReadInt32();
List <ObjectItem> objectItems = new List <ObjectItem>();
for (var i = 0; i < objectCount; i++)
{
reader.Align(4);
var id = reader.ReadInt64();
var offset = reader.ReadInt32();
var size = reader.ReadInt32();
var index = reader.ReadInt32();
var typeTree = trees[index];
var item = new ObjectItem(id, offset, size, typeTree);
objectItems.Add(item);
}
//自定义脚本预载表
var scriptCount = reader.ReadInt32();
for (int i = 0; i < scriptCount; i++)
{
var fileID = reader.ReadInt32();
var pathID = reader.ReadInt64();
var pptr = new PPtr(fileID, pathID, "PPtr<MonoScript>");
this.preloadScripts.Add(pptr);
}
//读取共享对象
int refCount = reader.ReadInt32();
for (int i = 1; i <= refCount; i++)
{
var name = reader.ReadCString();
var guid = reader.ReadHash128();
var type = reader.ReadInt32();
var fileName = reader.ReadCString();
fileName = string.IsNullOrEmpty(fileName) ? "" : fileName.ToLower();
var assetRef = new ArchiveRef(i, name, type, guid, fileName);
this.archiveRefs.Add(assetRef);
}
foreach (var item in objectItems)
{
TypeID typeId = item.TypeTree.TypeID;
if (typeId != TypeID.AssetBundle && typeId != TypeID.PreloadData)
{
continue;
}
ObjectInfo info = new ObjectInfo(this, item.ID, item.TypeTree, item.Offset, item.Size, false);
if (info.TypeID == TypeID.AssetBundle)
{
AssetBundle assetBundle = info.GetObject <AssetBundle>();
this.AssetBundle = assetBundle;
Bundle.AssetBundle = assetBundle;
}
else if (info.TypeID == TypeID.PreloadData)
{
PreloadData preloadData = info.GetObject <PreloadData>();
this.PreloadData = preloadData;
}
}
foreach (var item in objectItems)
{
TypeID typeId = item.TypeTree.TypeID;
if (typeId == TypeID.AssetBundle || typeId == TypeID.PreloadData)
{
continue;
}
bool isPublic = !this.Bundle.IsStreamed && this.AssetBundle != null && this.AssetBundle.IsPublic(item.ID);
ObjectInfo info = new ObjectInfo(this, item.ID, item.TypeTree, item.Offset, item.Size, isPublic);
this.objects.Add(info.ID, info);
if (info.IsPotentialRedundancy)
{
reader.BaseStream.Seek(this.assetDataOffset + item.Offset, SeekOrigin.Begin);
FeatureInfo featureInfo = this.extractor.Extract(info, reader);
info.Fingerprint = new PropertiesFingerprint(info, featureInfo.References, featureInfo.PropertyHash);
info.Name = featureInfo.Name;
info.Resources = featureInfo.Resources;
}
else
{
info.Fingerprint = new IdentifierFingerprint(info.ID, this.Name);
}
}
}
catch (Exception e)
{
Debug.LogErrorFormat("{0}", e);
}
}