/// <summary>
/// Reads bytes from a buffer, validates the expected serialized version, and deserializes them into a new blob asset.
/// </summary>
/// <param name="data">A byte stream of the blob data to read.</param>
/// <param name="version">Expected version number of the blob data.</param>
/// <param name="result">The resulting BlobAssetReference if the data was read successful.</param>
/// <returns>A bool if the read was successful or not.</returns>
public static bool TryRead(byte *data, int version, out BlobAssetReference <T> result)
{
var binaryReader = new MemoryBinaryReader(data);
var storedVersion = binaryReader.ReadInt();
if (storedVersion != version)
{
result = default;
return(false);
}
result = binaryReader.Read <T>();
return(true);
}
public unsafe World Create()
{
World world;
fixed(byte *ptr = bytes)
{
var data = new MemoryBinaryReader(ptr);
var blob = data.Read <WorldDefinitionData>();
world = new World(blob.Value.name.ToString());
for (int i = 0; i < blob.Value.entries.Length; i++)
{
world.CreateSystem(Type.GetType(blob.Value.entries[i].assemblyQualifiedName.ToString()));
}
}
return(world);
}
/// <summary>
/// Reads bytes from a buffer, validates the expected serialized version, and deserializes them into a new blob asset.
/// </summary>
/// <param name="buffer">Byte array of buffer</param>
/// <param name="version">Expected version number of the blob data.</param>
/// <param name="result">The resulting BlobAssetReference if the data was read successful.</param>
/// <returns>A bool if the read was successful or not.</returns>
public static bool TryRead(byte[] buffer, int version, out BlobAssetReference <T> result)
{
fixed(byte *fixedBuffer = buffer)
{
using (var binaryReader = new MemoryBinaryReader(fixedBuffer))
{
var storedVersion = binaryReader.ReadInt();
if (storedVersion != version)
{
result = default;
return(false);
}
result = binaryReader.Read <T>();
return(true);
}
}
}
/// <summary>
/// Create a clone of a BlobAssetReference
/// </summary>
/// <param name="source"></param>
/// <returns></returns>
public static unsafe BlobAssetReference <T> Clone <T>(this BlobAssetReference <T> source) where T : struct
{
if (source == BlobAssetReference <T> .Null)
{
return(BlobAssetReference <T> .Null);
}
var writer = new MemoryBinaryWriter();
writer.Write(source);
var reader = new MemoryBinaryReader(writer.Data);
var clone = reader.Read <T>();
writer.Dispose();
reader.Dispose();
return(clone);
}
public static unsafe BlobAssetReference <NodeBlob> ToBlob(this TextAsset file)
{
var dataPtr = UnsafeUtility.PinGCArrayAndGetDataAddress(file.bytes, out var gcHandle);
var reader = new MemoryBinaryReader((byte *)dataPtr);
try
{
var storedVersion = reader.ReadInt();
if (storedVersion != NodeBlob.VERSION)
{
throw new FormatException("Version is not match.");
}
return(reader.Read <NodeBlob>());
}
finally
{
reader.Dispose();
UnsafeUtility.ReleaseGCObject(gcHandle);
}
}
