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253 lines (211 loc) · 8.37 KB
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using System;
using System.Runtime.InteropServices;
using System.Text;
namespace UnityDataTools.FileSystem;
public class UnityArchiveHandle : SafeHandle
{
public UnityArchiveHandle() : base(IntPtr.Zero, true)
{
}
public override bool IsInvalid => handle == IntPtr.Zero;
protected override bool ReleaseHandle()
{
return DllWrapper.UnmountArchive(handle) == ReturnCode.Success;
}
}
public class UnityFileHandle : SafeHandle
{
public UnityFileHandle() : base(IntPtr.Zero, true)
{
}
public override bool IsInvalid => handle == IntPtr.Zero;
protected override bool ReleaseHandle()
{
return DllWrapper.CloseFile(handle) == ReturnCode.Success;
}
}
public class SerializedFileHandle : SafeHandle
{
public SerializedFileHandle() : base(IntPtr.Zero, true)
{
}
public override bool IsInvalid => handle == IntPtr.Zero;
protected override bool ReleaseHandle()
{
return DllWrapper.CloseSerializedFile(handle) == ReturnCode.Success;
}
}
public class TypeTreeHandle : SafeHandle
{
public TypeTreeHandle() : base(IntPtr.Zero, true)
{
}
public override bool IsInvalid => handle == IntPtr.Zero;
protected override bool ReleaseHandle()
{
return true;
}
internal IntPtr Handle => handle;
}
public enum ReturnCode
{
Success,
AlreadyInitialized,
NotInitialized,
FileNotFound,
FileFormatError,
InvalidArgument,
HigherSerializedFileVersion,
DestinationBufferTooSmall,
InvalidObjectId,
UnknownError,
FileError,
ErrorCreatingArchiveFile,
ErrorAddingFileToArchive,
TypeNotFound,
}
[Flags]
public enum ArchiveNodeFlags
{
None = 0,
Directory = 1 << 0,
Deleted = 1 << 1,
SerializedFile = 1 << 2,
}
public enum CompressionType
{
None,
Lzma,
Lz4,
Lz4HC,
};
public enum SeekOrigin
{
Begin,
Current,
End,
}
public enum ExternalReferenceType
{
NonAssetType,
DeprecatedCachedAssetType,
SerializedAssetType,
MetaAssetType,
}
[StructLayout(LayoutKind.Sequential)]
public struct ObjectInfo
{
public readonly long Id;
public readonly long Offset;
public readonly long Size;
public readonly int TypeId;
}
[Flags]
public enum TypeTreeFlags
{
None = 0,
IsArray = 1 << 0,
IsManagedReference = 1 << 1,
IsManagedReferenceRegistry = 1 << 2,
IsArrayOfRefs = 1 << 3,
}
[Flags]
public enum TypeTreeMetaFlags
{
None = 0,
AlignBytes = 1 << 14,
AnyChildUsesAlignBytes = 1 << 15,
}
public static class DllWrapper
{
[DllImport("UnityFileSystemApi",
CallingConvention = CallingConvention.Cdecl,
EntryPoint = "UFS_Init")]
public static extern ReturnCode Init();
[DllImport("UnityFileSystemApi",
CallingConvention = CallingConvention.Cdecl,
EntryPoint = "UFS_Cleanup")]
public static extern ReturnCode Cleanup();
[DllImport("UnityFileSystemApi",
CallingConvention = CallingConvention.Cdecl,
EntryPoint = "UFS_MountArchive")]
public static extern ReturnCode MountArchive([MarshalAs(UnmanagedType.LPStr)] string path, [MarshalAs(UnmanagedType.LPStr)] string mountPoint, out UnityArchiveHandle handle);
[DllImport("UnityFileSystemApi",
CallingConvention = CallingConvention.Cdecl,
EntryPoint = "UFS_UnmountArchive")]
public static extern ReturnCode UnmountArchive(IntPtr handle);
[DllImport("UnityFileSystemApi",
CallingConvention = CallingConvention.Cdecl,
EntryPoint = "UFS_GetArchiveNodeCount")]
public static extern ReturnCode GetArchiveNodeCount(UnityArchiveHandle handle, out int count);
[DllImport("UnityFileSystemApi",
CallingConvention = CallingConvention.Cdecl,
EntryPoint = "UFS_GetArchiveNode")]
public static extern ReturnCode GetArchiveNode(UnityArchiveHandle handle, int nodeIndex, StringBuilder path, int pathLen, out long size, out ArchiveNodeFlags flags);
[DllImport("UnityFileSystemApi",
CallingConvention = CallingConvention.Cdecl,
EntryPoint = "UFS_CreateArchive")]
public static extern ReturnCode CreateArchive([MarshalAs(UnmanagedType.LPArray, ArraySubType = UnmanagedType.LPStr)] string[] sourceFiles,
[MarshalAs(UnmanagedType.LPArray, ArraySubType = UnmanagedType.LPStr)] string[] aliases, bool[] isSerializedFile, int count,
[MarshalAs(UnmanagedType.LPStr)] string archiveFile, CompressionType compression, out int crc);
[DllImport("UnityFileSystemApi",
CallingConvention = CallingConvention.Cdecl,
EntryPoint = "UFS_OpenFile")]
public static extern ReturnCode OpenFile([MarshalAs(UnmanagedType.LPStr)] string path, out UnityFileHandle handle);
[DllImport("UnityFileSystemApi",
CallingConvention = CallingConvention.Cdecl, EntryPoint = "UFS_ReadFile")]
public static extern ReturnCode ReadFile(UnityFileHandle handle, long size,
[MarshalAs(UnmanagedType.LPArray)] byte[] buffer, out long actualSize);
[DllImport("UnityFileSystemApi",
CallingConvention = CallingConvention.Cdecl,
EntryPoint = "UFS_SeekFile")]
public static extern ReturnCode SeekFile(UnityFileHandle handle, long offset, SeekOrigin origin, out long newPosition);
[DllImport("UnityFileSystemApi",
CallingConvention = CallingConvention.Cdecl,
EntryPoint = "UFS_GetFileSize")]
public static extern ReturnCode GetFileSize(UnityFileHandle handle, out long size);
[DllImport("UnityFileSystemApi",
CallingConvention = CallingConvention.Cdecl,
EntryPoint = "UFS_CloseFile")]
public static extern ReturnCode CloseFile(IntPtr handle);
[DllImport("UnityFileSystemApi",
CallingConvention = CallingConvention.Cdecl,
EntryPoint = "UFS_OpenSerializedFile")]
public static extern ReturnCode OpenSerializedFile([MarshalAs(UnmanagedType.LPStr)] string path, out SerializedFileHandle handle);
[DllImport("UnityFileSystemApi",
CallingConvention = CallingConvention.Cdecl,
EntryPoint = "UFS_CloseSerializedFile")]
public static extern ReturnCode CloseSerializedFile(IntPtr handle);
[DllImport("UnityFileSystemApi",
CallingConvention = CallingConvention.Cdecl,
EntryPoint = "UFS_GetExternalReferenceCount")]
public static extern ReturnCode GetExternalReferenceCount(SerializedFileHandle handle, out int count);
[DllImport("UnityFileSystemApi",
CallingConvention = CallingConvention.Cdecl,
EntryPoint = "UFS_GetExternalReference")]
public static extern ReturnCode GetExternalReference(SerializedFileHandle handle, int index, StringBuilder path, int pathLen, StringBuilder guid, out ExternalReferenceType type);
[DllImport("UnityFileSystemApi",
CallingConvention = CallingConvention.Cdecl,
EntryPoint = "UFS_GetObjectCount")]
public static extern ReturnCode GetObjectCount(SerializedFileHandle handle, out int count);
[DllImport("UnityFileSystemApi",
CallingConvention = CallingConvention.Cdecl,
EntryPoint = "UFS_GetObjectInfo")]
public static extern ReturnCode GetObjectInfo(SerializedFileHandle handle, [In, Out] ObjectInfo[] objectData, int len);
[DllImport("UnityFileSystemApi",
CallingConvention = CallingConvention.Cdecl,
EntryPoint = "UFS_GetTypeTree")]
public static extern ReturnCode GetTypeTree(SerializedFileHandle handle, long objectId, out TypeTreeHandle typeTree);
[DllImport("UnityFileSystemApi",
CallingConvention = CallingConvention.Cdecl,
EntryPoint = "UFS_GetRefTypeTypeTree")]
public static extern ReturnCode GetRefTypeTypeTree(SerializedFileHandle handle, [MarshalAs(UnmanagedType.LPStr)] string className,
[MarshalAs(UnmanagedType.LPStr)] string namespaceName, [MarshalAs(UnmanagedType.LPStr)] string assemblyName, out TypeTreeHandle typeTree);
[DllImport("UnityFileSystemApi",
CallingConvention = CallingConvention.Cdecl,
EntryPoint = "UFS_GetTypeTreeNodeInfo")]
public static extern ReturnCode GetTypeTreeNodeInfo(TypeTreeHandle handle, int node, StringBuilder type, int typeLen,
StringBuilder name, int nameLen, out int offset, out int size, [MarshalAs(UnmanagedType.U4)] out TypeTreeFlags flags,
[MarshalAs(UnmanagedType.U4)] out TypeTreeMetaFlags metaFlags, out int firstChildNode,
out int nextNode);
}
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