internal EngineObject CreateEngineObject(TypeTree typeTree, Dictionary <string, object> dict)
{
foreach (var creator in this.engineObjectCreators)
{
var obj = creator.CreateEngineObject(typeTree, dict);
if (obj != null)
{
return(obj);
}
}
return(new EngineObject(typeTree, dict));
}
public EngineObject CreateEngineObject(TypeTree typeTree, Dictionary <string, object> dict)
{
switch (typeTree.Type)
{
case "TextAsset":
return(new TextAsset(typeTree, dict));
case "GameObject":
return(new GameObject(typeTree, dict));
case "Transform":
return(new Transform(typeTree, dict));
default:
return(null);
}
}
private void LoadBlob(BinaryReader reader)
{
var bigendian = this.TypeMetadata.Asset.bigendian;
var numNodes = reader.ReadInt32(bigendian);
var bufferBytes = reader.ReadInt32(bigendian);
var nodeData = reader.ReadBytes(24 * (int)numNodes);
this.data = reader.ReadBytes(bufferBytes);
var parents = new Stack<TypeTree>();
parents.Push(this);
using (var nodeReader = new BinaryReader(new MemoryStream(nodeData)))
{
for (var i = 0; i < numNodes; i++)
{
var version = nodeReader.ReadInt16(bigendian);
var depth = nodeReader.ReadByte();
TypeTree current;
if (depth == 0)
{
current = this;
}
else
{
while (parents.Count > depth)
{
parents.Pop();
}
current = new TypeTree(this.TypeMetadata);
parents.Peek().children.Add(current);
parents.Push(current);
}
current.Version = version;
current.IsArray = nodeReader.ReadByte() != 0;
current.Type = GetString(nodeReader.ReadInt32(bigendian));
current.Name = GetString(nodeReader.ReadInt32(bigendian));
current.Size = nodeReader.ReadInt32(bigendian);
current.Index = nodeReader.ReadInt32(bigendian);
current.Flags = nodeReader.ReadInt32(bigendian);
}
}
}
internal void Load(BinaryReader reader)
{
var bigendian = this.Asset.bigendian;
var format = this.Asset.Format;
this.GeneratorVersion = reader.ReadCString();
this.TargetPlatform = reader.ReadUInt32(bigendian);
if (format >= 13)
{
var hasTypeTree = reader.ReadBoolean();
var numTypes = reader.ReadInt32(bigendian);
this.classIds = new List <int>(numTypes);
this.hashDict = new Dictionary <int, byte[]>(numTypes);
if (hasTypeTree)
{
this.typeTreeDict = new Dictionary <int, TypeTree>(numTypes);
}
for (var i = 0; i < numTypes; i++)
{
var classId = reader.ReadInt32(bigendian);
if (format >= 17)
{
reader.ReadByte(); // unknown
var scriptId = reader.ReadInt16(bigendian);
if (classId == 114)
{
if (scriptId >= 0)
{
classId = -1 - scriptId;
}
else
{
classId = -1;
}
}
}
this.classIds.Add(classId);
byte[] hash;
if (classId < 0)
{
hash = reader.ReadBytes(0x20);
}
else
{
hash = reader.ReadBytes(0x10);
}
this.hashDict[classId] = hash;
if (hasTypeTree)
{
var tree = new TypeTree(this);
tree.Load(reader);
this.typeTreeDict[classId] = tree;
}
}
}
else
{
this.typeTreeDict = new Dictionary <int, TypeTree>();
var numFields = reader.ReadInt32(bigendian);
for (var i = 0; i < numFields; i++)
{
var classId = reader.ReadInt32(bigendian);
var tree = new TypeTree(this);
tree.Load(reader);
this.typeTreeDict[classId] = tree;
}
}
}
internal ObjectPointer(Asset source, TypeTree typeTree)
{
this.TypeTree = TypeTree;
this.Source = source;
}
private object ReadValue(TypeTree typeTree, BinaryReader reader)
{
var beforePos = reader.BaseStream.Position;
object result = null;
var needAlign = false;
var typeName = typeTree.Type;
var bigendian = this.Asset.bigendian;
switch (typeName)
{
case "bool":
result = reader.ReadBoolean();
break;
case "SInt8":
result = reader.ReadSByte();
break;
case "UInt8":
result = reader.ReadByte();
break;
case "SInt16":
result = reader.ReadInt16(bigendian);
break;
case "UInt16":
result = reader.ReadUInt16(bigendian);
break;
case "SInt64":
result = reader.ReadInt64(bigendian);
break;
case "UInt64":
result = reader.ReadUInt64(bigendian);
break;
case "UInt32":
case "unsigned int":
result = reader.ReadUInt32(bigendian);
break;
case "SInt32":
case "int":
result = reader.ReadInt32(bigendian);
break;
case "float":
reader.Align(4);
result = reader.ReadSingle();
break;
case "string":
{
var size = reader.ReadInt32(bigendian);
result = reader.ReadBytes(size);
needAlign = typeTree.Children[0].PostAlign;
}
break;
default:
{
var firstChild = typeTree.IsArray ? typeTree : typeTree.Children[0];
if (typeName.StartsWith("PPtr<"))
{
var ptr = new ObjectPointer(this.Asset, typeTree);
ptr.Load(reader);
result = ptr;
}
else if (firstChild != null && firstChild.IsArray)
{
needAlign = firstChild.IsArray;
var size = Math.Max(reader.ReadInt32(bigendian), 0);
var arrayType = firstChild.Children[1];
if (arrayType.Type == "char" || arrayType.Type == "UInt8")
{
result = reader.ReadBytes(size).OfType <object>().ToArray();
}
else
{
var array = new object[size];
for (var i = 0; i < size; i++)
{
array[i] = ReadValue(arrayType, reader);
}
result = array;
}
}
else if (typeName == "pair")
{
var first = ReadValue(typeTree.Children[0], reader);
var second = ReadValue(typeTree.Children[1], reader);
result = new KeyValuePair <object, object>(first, second);
}
else
{
var dict = new Dictionary <string, object>(typeTree.Children.Count);
foreach (var child in typeTree.Children)
{
dict[child.Name] = ReadValue(child, reader);
}
result = this.Asset.Bundle.Environment.CreateEngineObject(typeTree, dict);
}
}
break;
}
var afterPos = reader.BaseStream.Position;
var actualSize = afterPos - beforePos;
if (typeTree.Size > 0 && actualSize < typeTree.Size)
{
throw new NotSupportedException(string.Format("Expected ReadValue {0}, Actual {1}", typeTree.Size, actualSize));
}
if (needAlign || typeTree.PostAlign)
{
reader.Align(4);
}
return(result);
}
