remove Penumbra dependency and use nuget, minor internal refactoring of structs, more resilent downloads

MareSynchronos/Interop/ResourceHandle.cs

@@ -1,26 +1,12 @@
 using System;
 using System.Runtime.InteropServices;
 using FFXIVClientStructs.FFXIV.Client.System.Resource;
-using Penumbra.GameData.Enums;
 
 namespace Penumbra.Interop.Structs;
 
 [StructLayout( LayoutKind.Explicit )]
 public unsafe struct ResourceHandle
 {
-    [StructLayout( LayoutKind.Explicit )]
-    public struct DataIndirection
-    {
-        [FieldOffset( 0x00 )]
-        public void** VTable;
-
-        [FieldOffset( 0x10 )]
-        public byte* DataPtr;
-
-        [FieldOffset( 0x28 )]
-        public ulong DataLength;
-    }
-
     public const int SsoSize = 15;
 
     public byte* FileName()
@@ -36,61 +22,12 @@ public unsafe struct ResourceHandle
         }
     }
 
-    public ReadOnlySpan< byte > FileNameSpan()
-        => new(FileName(), FileNameLength);
-
-    [FieldOffset( 0x00 )]
-    public void** VTable;
-
     [FieldOffset( 0x08 )]
     public ResourceCategory Category;
 
-    [FieldOffset( 0x0C )]
-    public ResourceType FileType;
-
-    [FieldOffset( 0x10 )]
-    public uint Id;
-
     [FieldOffset( 0x48 )]
     public byte* FileNameData;
 
     [FieldOffset( 0x58 )]
     public int FileNameLength;
-
-    [FieldOffset( 0xAC )]
-    public uint RefCount;
-
-    // May return null.
-    public static byte* GetData( ResourceHandle* handle )
-        => ( ( delegate* unmanaged< ResourceHandle*, byte* > )handle->VTable[ 23 ] )( handle );
-
-    public static ulong GetLength( ResourceHandle* handle )
-        => ( ( delegate* unmanaged< ResourceHandle*, ulong > )handle->VTable[ 17 ] )( handle );
-
-
-    // Only use these if you know what you are doing.
-    // Those are actually only sure to be accessible for DefaultResourceHandles.
-    [FieldOffset( 0xB0 )]
-    public DataIndirection* Data;
-
-    [FieldOffset( 0xB8 )]
-    public uint DataLength;
-
-    public (IntPtr Data, int Length) GetData()
-        => Data != null
-            ? ( ( IntPtr )Data->DataPtr, ( int )Data->DataLength )
-            : ( IntPtr.Zero, 0 );
-
-    public bool SetData( IntPtr data, int length )
-    {
-        if( Data == null )
-        {
-            return false;
-        }
-
-        Data->DataPtr    = length != 0 ? ( byte* )data : null;
-        Data->DataLength = ( ulong )length;
-        DataLength       = ( uint )length;
-        return true;
-    }
 }