C#: Remove IL post-processor build dependency

We were using it to workaround a limitation of `Unsafe.AsPointer` and
`ref struct`s. However, we can get the same result with some tricks,
since we have control over the declaration of these structs.

5 files changed, 403 insertions, 108 deletions

diff --git a/modules/mono/glue/GodotSharp/GodotSharp/Core/NativeInterop/CustomUnsafe.cs b/modules/mono/glue/GodotSharp/GodotSharp/Core/NativeInterop/CustomUnsafe.cs
new file mode 100644
index 0000000000..afef20a7f2
--- /dev/null
+++ b/modules/mono/glue/GodotSharp/GodotSharp/Core/NativeInterop/CustomUnsafe.cs
@@ -0,0 +1,313 @@
+using System.Runtime.CompilerServices;
+
+namespace Godot.NativeInterop;
+
+// Ref structs are not allowed as generic type parameters, so we can't use Unsafe.AsPointer<T>/AsRef<T>.
+// As a workaround we create our own overloads for our structs with some tricks under the hood.
+
+public static class CustomUnsafe
+{
+    [MethodImpl(MethodImplOptions.AggressiveInlining)]
+    public static unsafe godot_ref* AsPointer(ref godot_ref value)
+        => value.GetUnsafeAddress();
+
+    [MethodImpl(MethodImplOptions.AggressiveInlining)]
+    public static unsafe godot_ref* ReadOnlyRefAsPointer(in godot_ref value)
+        => value.GetUnsafeAddress();
+
+    [MethodImpl(MethodImplOptions.AggressiveInlining)]
+    public static unsafe ref godot_ref AsRef(godot_ref* source)
+        => ref *source;
+
+    [MethodImpl(MethodImplOptions.AggressiveInlining)]
+    public static unsafe ref godot_ref AsRef(in godot_ref source)
+        => ref *ReadOnlyRefAsPointer(in source);
+
+    [MethodImpl(MethodImplOptions.AggressiveInlining)]
+    public static unsafe godot_variant_call_error* AsPointer(ref godot_variant_call_error value)
+        => value.GetUnsafeAddress();
+
+    [MethodImpl(MethodImplOptions.AggressiveInlining)]
+    public static unsafe godot_variant_call_error* ReadOnlyRefAsPointer(in godot_variant_call_error value)
+        => value.GetUnsafeAddress();
+
+    [MethodImpl(MethodImplOptions.AggressiveInlining)]
+    public static unsafe ref godot_variant_call_error AsRef(godot_variant_call_error* source)
+        => ref *source;
+
+    [MethodImpl(MethodImplOptions.AggressiveInlining)]
+    public static unsafe ref godot_variant_call_error AsRef(in godot_variant_call_error source)
+        => ref *ReadOnlyRefAsPointer(in source);
+
+    [MethodImpl(MethodImplOptions.AggressiveInlining)]
+    public static unsafe godot_variant* AsPointer(ref godot_variant value)
+        => value.GetUnsafeAddress();
+
+    [MethodImpl(MethodImplOptions.AggressiveInlining)]
+    public static unsafe godot_variant* ReadOnlyRefAsPointer(in godot_variant value)
+        => value.GetUnsafeAddress();
+
+    [MethodImpl(MethodImplOptions.AggressiveInlining)]
+    public static unsafe ref godot_variant AsRef(godot_variant* source)
+        => ref *source;
+
+    [MethodImpl(MethodImplOptions.AggressiveInlining)]
+    public static unsafe ref godot_variant AsRef(in godot_variant source)
+        => ref *ReadOnlyRefAsPointer(in source);
+
+    [MethodImpl(MethodImplOptions.AggressiveInlining)]
+    public static unsafe godot_string* AsPointer(ref godot_string value)
+        => value.GetUnsafeAddress();
+
+    [MethodImpl(MethodImplOptions.AggressiveInlining)]
+    public static unsafe godot_string* ReadOnlyRefAsPointer(in godot_string value)
+        => value.GetUnsafeAddress();
+
+    [MethodImpl(MethodImplOptions.AggressiveInlining)]
+    public static unsafe ref godot_string AsRef(godot_string* source)
+        => ref *source;
+
+    [MethodImpl(MethodImplOptions.AggressiveInlining)]
+    public static unsafe ref godot_string AsRef(in godot_string source)
+        => ref *ReadOnlyRefAsPointer(in source);
+
+    [MethodImpl(MethodImplOptions.AggressiveInlining)]
+    public static unsafe godot_string_name* AsPointer(ref godot_string_name value)
+        => value.GetUnsafeAddress();
+
+    [MethodImpl(MethodImplOptions.AggressiveInlining)]
+    public static unsafe godot_string_name* ReadOnlyRefAsPointer(in godot_string_name value)
+        => value.GetUnsafeAddress();
+
+    [MethodImpl(MethodImplOptions.AggressiveInlining)]
+    public static unsafe ref godot_string_name AsRef(godot_string_name* source)
+        => ref *source;
+
+    [MethodImpl(MethodImplOptions.AggressiveInlining)]
+    public static unsafe ref godot_string_name AsRef(in godot_string_name source)
+        => ref *ReadOnlyRefAsPointer(in source);
+
+    [MethodImpl(MethodImplOptions.AggressiveInlining)]
+    public static unsafe godot_node_path* AsPointer(ref godot_node_path value)
+        => value.GetUnsafeAddress();
+
+    [MethodImpl(MethodImplOptions.AggressiveInlining)]
+    public static unsafe godot_node_path* ReadOnlyRefAsPointer(in godot_node_path value)
+        => value.GetUnsafeAddress();
+
+    [MethodImpl(MethodImplOptions.AggressiveInlining)]
+    public static unsafe ref godot_node_path AsRef(godot_node_path* source)
+        => ref *source;
+
+    [MethodImpl(MethodImplOptions.AggressiveInlining)]
+    public static unsafe ref godot_node_path AsRef(in godot_node_path source)
+        => ref *ReadOnlyRefAsPointer(in source);
+
+    [MethodImpl(MethodImplOptions.AggressiveInlining)]
+    public static unsafe godot_signal* AsPointer(ref godot_signal value)
+        => value.GetUnsafeAddress();
+
+    [MethodImpl(MethodImplOptions.AggressiveInlining)]
+    public static unsafe godot_signal* ReadOnlyRefAsPointer(in godot_signal value)
+        => value.GetUnsafeAddress();
+
+    [MethodImpl(MethodImplOptions.AggressiveInlining)]
+    public static unsafe ref godot_signal AsRef(godot_signal* source)
+        => ref *source;
+
+    [MethodImpl(MethodImplOptions.AggressiveInlining)]
+    public static unsafe ref godot_signal AsRef(in godot_signal source)
+        => ref *ReadOnlyRefAsPointer(in source);
+
+    [MethodImpl(MethodImplOptions.AggressiveInlining)]
+    public static unsafe godot_callable* AsPointer(ref godot_callable value)
+        => value.GetUnsafeAddress();
+
+    [MethodImpl(MethodImplOptions.AggressiveInlining)]
+    public static unsafe godot_callable* ReadOnlyRefAsPointer(in godot_callable value)
+        => value.GetUnsafeAddress();
+
+    [MethodImpl(MethodImplOptions.AggressiveInlining)]
+    public static unsafe ref godot_callable AsRef(godot_callable* source)
+        => ref *source;
+
+    [MethodImpl(MethodImplOptions.AggressiveInlining)]
+    public static unsafe ref godot_callable AsRef(in godot_callable source)
+        => ref *ReadOnlyRefAsPointer(in source);
+
+    [MethodImpl(MethodImplOptions.AggressiveInlining)]
+    public static unsafe godot_array* AsPointer(ref godot_array value)
+        => value.GetUnsafeAddress();
+
+    [MethodImpl(MethodImplOptions.AggressiveInlining)]
+    public static unsafe godot_array* ReadOnlyRefAsPointer(in godot_array value)
+        => value.GetUnsafeAddress();
+
+    [MethodImpl(MethodImplOptions.AggressiveInlining)]
+    public static unsafe ref godot_array AsRef(godot_array* source)
+        => ref *source;
+
+    [MethodImpl(MethodImplOptions.AggressiveInlining)]
+    public static unsafe ref godot_array AsRef(in godot_array source)
+        => ref *ReadOnlyRefAsPointer(in source);
+
+    [MethodImpl(MethodImplOptions.AggressiveInlining)]
+    public static unsafe godot_dictionary* AsPointer(ref godot_dictionary value)
+        => value.GetUnsafeAddress();
+
+    [MethodImpl(MethodImplOptions.AggressiveInlining)]
+    public static unsafe godot_dictionary* ReadOnlyRefAsPointer(in godot_dictionary value)
+        => value.GetUnsafeAddress();
+
+    [MethodImpl(MethodImplOptions.AggressiveInlining)]
+    public static unsafe ref godot_dictionary AsRef(godot_dictionary* source)
+        => ref *source;
+
+    [MethodImpl(MethodImplOptions.AggressiveInlining)]
+    public static unsafe ref godot_dictionary AsRef(in godot_dictionary source)
+        => ref *ReadOnlyRefAsPointer(in source);
+
+    [MethodImpl(MethodImplOptions.AggressiveInlining)]
+    public static unsafe godot_packed_byte_array* AsPointer(ref godot_packed_byte_array value)
+        => value.GetUnsafeAddress();
+
+    [MethodImpl(MethodImplOptions.AggressiveInlining)]
+    public static unsafe godot_packed_byte_array* ReadOnlyRefAsPointer(in godot_packed_byte_array value)
+        => value.GetUnsafeAddress();
+
+    [MethodImpl(MethodImplOptions.AggressiveInlining)]
+    public static unsafe ref godot_packed_byte_array AsRef(godot_packed_byte_array* source)
+        => ref *source;
+
+    [MethodImpl(MethodImplOptions.AggressiveInlining)]
+    public static unsafe ref godot_packed_byte_array AsRef(in godot_packed_byte_array source)
+        => ref *ReadOnlyRefAsPointer(in source);
+
+    [MethodImpl(MethodImplOptions.AggressiveInlining)]
+    public static unsafe godot_packed_int32_array* AsPointer(ref godot_packed_int32_array value)
+        => value.GetUnsafeAddress();
+
+    [MethodImpl(MethodImplOptions.AggressiveInlining)]
+    public static unsafe godot_packed_int32_array* ReadOnlyRefAsPointer(in godot_packed_int32_array value)
+        => value.GetUnsafeAddress();
+
+    [MethodImpl(MethodImplOptions.AggressiveInlining)]
+    public static unsafe ref godot_packed_int32_array AsRef(godot_packed_int32_array* source)
+        => ref *source;
+
+    [MethodImpl(MethodImplOptions.AggressiveInlining)]
+    public static unsafe ref godot_packed_int32_array AsRef(in godot_packed_int32_array source)
+        => ref *ReadOnlyRefAsPointer(in source);
+
+    [MethodImpl(MethodImplOptions.AggressiveInlining)]
+    public static unsafe godot_packed_int64_array* AsPointer(ref godot_packed_int64_array value)
+        => value.GetUnsafeAddress();
+
+    [MethodImpl(MethodImplOptions.AggressiveInlining)]
+    public static unsafe godot_packed_int64_array* ReadOnlyRefAsPointer(in godot_packed_int64_array value)
+        => value.GetUnsafeAddress();
+
+    [MethodImpl(MethodImplOptions.AggressiveInlining)]
+    public static unsafe ref godot_packed_int64_array AsRef(godot_packed_int64_array* source)
+        => ref *source;
+
+    [MethodImpl(MethodImplOptions.AggressiveInlining)]
+    public static unsafe ref godot_packed_int64_array AsRef(in godot_packed_int64_array source)
+        => ref *ReadOnlyRefAsPointer(in source);
+
+    [MethodImpl(MethodImplOptions.AggressiveInlining)]
+    public static unsafe godot_packed_float32_array* AsPointer(ref godot_packed_float32_array value)
+        => value.GetUnsafeAddress();
+
+    [MethodImpl(MethodImplOptions.AggressiveInlining)]
+    public static unsafe godot_packed_float32_array* ReadOnlyRefAsPointer(in godot_packed_float32_array value)
+        => value.GetUnsafeAddress();
+
+    [MethodImpl(MethodImplOptions.AggressiveInlining)]
+    public static unsafe ref godot_packed_float32_array AsRef(godot_packed_float32_array* source)
+        => ref *source;
+
+    [MethodImpl(MethodImplOptions.AggressiveInlining)]
+    public static unsafe ref godot_packed_float32_array AsRef(in godot_packed_float32_array source)
+        => ref *ReadOnlyRefAsPointer(in source);
+
+    [MethodImpl(MethodImplOptions.AggressiveInlining)]
+    public static unsafe godot_packed_float64_array* AsPointer(ref godot_packed_float64_array value)
+        => value.GetUnsafeAddress();
+
+    [MethodImpl(MethodImplOptions.AggressiveInlining)]
+    public static unsafe godot_packed_float64_array* ReadOnlyRefAsPointer(in godot_packed_float64_array value)
+        => value.GetUnsafeAddress();
+
+    [MethodImpl(MethodImplOptions.AggressiveInlining)]
+    public static unsafe ref godot_packed_float64_array AsRef(godot_packed_float64_array* source)
+        => ref *source;
+
+    [MethodImpl(MethodImplOptions.AggressiveInlining)]
+    public static unsafe ref godot_packed_float64_array AsRef(in godot_packed_float64_array source)
+        => ref *ReadOnlyRefAsPointer(in source);
+
+    [MethodImpl(MethodImplOptions.AggressiveInlining)]
+    public static unsafe godot_packed_string_array* AsPointer(ref godot_packed_string_array value)
+        => value.GetUnsafeAddress();
+
+    [MethodImpl(MethodImplOptions.AggressiveInlining)]
+    public static unsafe godot_packed_string_array* ReadOnlyRefAsPointer(in godot_packed_string_array value)
+        => value.GetUnsafeAddress();
+
+    [MethodImpl(MethodImplOptions.AggressiveInlining)]
+    public static unsafe ref godot_packed_string_array AsRef(godot_packed_string_array* source)
+        => ref *source;
+
+    [MethodImpl(MethodImplOptions.AggressiveInlining)]
+    public static unsafe ref godot_packed_string_array AsRef(in godot_packed_string_array source)
+        => ref *ReadOnlyRefAsPointer(in source);
+
+    [MethodImpl(MethodImplOptions.AggressiveInlining)]
+    public static unsafe godot_packed_vector2_array* AsPointer(ref godot_packed_vector2_array value)
+        => value.GetUnsafeAddress();
+
+    [MethodImpl(MethodImplOptions.AggressiveInlining)]
+    public static unsafe godot_packed_vector2_array* ReadOnlyRefAsPointer(in godot_packed_vector2_array value)
+        => value.GetUnsafeAddress();
+
+    [MethodImpl(MethodImplOptions.AggressiveInlining)]
+    public static unsafe ref godot_packed_vector2_array AsRef(godot_packed_vector2_array* source)
+        => ref *source;
+
+    [MethodImpl(MethodImplOptions.AggressiveInlining)]
+    public static unsafe ref godot_packed_vector2_array AsRef(in godot_packed_vector2_array source)
+        => ref *ReadOnlyRefAsPointer(in source);
+
+    [MethodImpl(MethodImplOptions.AggressiveInlining)]
+    public static unsafe godot_packed_vector3_array* AsPointer(ref godot_packed_vector3_array value)
+        => value.GetUnsafeAddress();
+
+    [MethodImpl(MethodImplOptions.AggressiveInlining)]
+    public static unsafe godot_packed_vector3_array* ReadOnlyRefAsPointer(in godot_packed_vector3_array value)
+        => value.GetUnsafeAddress();
+
+    [MethodImpl(MethodImplOptions.AggressiveInlining)]
+    public static unsafe ref godot_packed_vector3_array AsRef(godot_packed_vector3_array* source)
+        => ref *source;
+
+    [MethodImpl(MethodImplOptions.AggressiveInlining)]
+    public static unsafe ref godot_packed_vector3_array AsRef(in godot_packed_vector3_array source)
+        => ref *ReadOnlyRefAsPointer(in source);
+
+    [MethodImpl(MethodImplOptions.AggressiveInlining)]
+    public static unsafe godot_packed_color_array* AsPointer(ref godot_packed_color_array value)
+        => value.GetUnsafeAddress();
+
+    [MethodImpl(MethodImplOptions.AggressiveInlining)]
+    public static unsafe godot_packed_color_array* ReadOnlyRefAsPointer(in godot_packed_color_array value)
+        => value.GetUnsafeAddress();
+
+    [MethodImpl(MethodImplOptions.AggressiveInlining)]
+    public static unsafe ref godot_packed_color_array AsRef(godot_packed_color_array* source)
+        => ref *source;
+
+    [MethodImpl(MethodImplOptions.AggressiveInlining)]
+    public static unsafe ref godot_packed_color_array AsRef(in godot_packed_color_array source)
+        => ref *ReadOnlyRefAsPointer(in source);
+}
diff --git a/modules/mono/glue/GodotSharp/GodotSharp/Core/NativeInterop/InteropStructs.cs b/modules/mono/glue/GodotSharp/GodotSharp/Core/NativeInterop/InteropStructs.cs
index 8a0dc9b235..44806e8ecf 100644
--- a/modules/mono/glue/GodotSharp/GodotSharp/Core/NativeInterop/InteropStructs.cs
+++ b/modules/mono/glue/GodotSharp/GodotSharp/Core/NativeInterop/InteropStructs.cs
@@ -35,6 +35,10 @@ namespace Godot.NativeInterop
     // ReSharper disable once InconsistentNaming
     public ref struct godot_ref
     {
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        internal readonly unsafe godot_ref* GetUnsafeAddress()
+            => (godot_ref*)Unsafe.AsPointer(ref Unsafe.AsRef(in _reference));
+
         private IntPtr _reference;
 
         public void Dispose()
@@ -73,6 +77,10 @@ namespace Godot.NativeInterop
     // ReSharper disable once InconsistentNaming
     public ref struct godot_variant_call_error
     {
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        internal readonly unsafe godot_variant_call_error* GetUnsafeAddress()
+            => (godot_variant_call_error*)Unsafe.AsPointer(ref Unsafe.AsRef(in error));
+
         private godot_variant_call_error_error error;
         private int argument;
         private int expected;
@@ -100,6 +108,10 @@ namespace Godot.NativeInterop
     // ReSharper disable once InconsistentNaming
     public ref struct godot_variant
     {
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        internal readonly unsafe godot_variant* GetUnsafeAddress()
+            => (godot_variant*)Unsafe.AsPointer(ref Unsafe.AsRef(in _typeField));
+
         // Variant.Type is generated as an enum of type long, so we can't use for the field as it must only take 32-bits.
         [FieldOffset(0)] private int _typeField;
 
@@ -147,7 +159,7 @@ namespace Godot.NativeInterop
             // ReSharper disable once InconsistentNaming
             public struct godot_variant_obj_data
             {
-                public UInt64 id;
+                public ulong id;
                 public IntPtr obj;
             }
 
@@ -431,6 +443,10 @@ namespace Godot.NativeInterop
     // ReSharper disable once InconsistentNaming
     public ref struct godot_string
     {
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        internal readonly unsafe godot_string* GetUnsafeAddress()
+            => (godot_string*)Unsafe.AsPointer(ref Unsafe.AsRef(in _ptr));
+
         private IntPtr _ptr;
 
         public void Dispose()
@@ -459,6 +475,10 @@ namespace Godot.NativeInterop
     // ReSharper disable once InconsistentNaming
     public ref struct godot_string_name
     {
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        internal readonly unsafe godot_string_name* GetUnsafeAddress()
+            => (godot_string_name*)Unsafe.AsPointer(ref Unsafe.AsRef(in _data));
+
         private IntPtr _data;
 
         public void Dispose()
@@ -528,6 +548,10 @@ namespace Godot.NativeInterop
     // ReSharper disable once InconsistentNaming
     public ref struct godot_node_path
     {
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        internal readonly unsafe godot_node_path* GetUnsafeAddress()
+            => (godot_node_path*)Unsafe.AsPointer(ref Unsafe.AsRef(in _data));
+
         private IntPtr _data;
 
         public void Dispose()
@@ -572,13 +596,19 @@ namespace Godot.NativeInterop
     // ReSharper disable once InconsistentNaming
     public ref struct godot_signal
     {
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        internal readonly unsafe godot_signal* GetUnsafeAddress()
+            => (godot_signal*)Unsafe.AsPointer(ref Unsafe.AsRef(in _getUnsafeAddressHelper));
+
+        [FieldOffset(0)] private byte _getUnsafeAddressHelper;
+
         [FieldOffset(0)] private godot_string_name _name;
 
         // There's padding here on 32-bit
 
-        [FieldOffset(8)] private UInt64 _objectId;
+        [FieldOffset(8)] private ulong _objectId;
 
-        public godot_signal(godot_string_name name, ulong objectId)
+        public godot_signal(godot_string_name name, ulong objectId) : this()
         {
             _name = name;
             _objectId = objectId;
@@ -590,7 +620,7 @@ namespace Godot.NativeInterop
             get => _name;
         }
 
-        public UInt64 ObjectId
+        public ulong ObjectId
         {
             [MethodImpl(MethodImplOptions.AggressiveInlining)]
             get => _objectId;
@@ -609,12 +639,18 @@ namespace Godot.NativeInterop
     // ReSharper disable once InconsistentNaming
     public ref struct godot_callable
     {
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        internal readonly unsafe godot_callable* GetUnsafeAddress()
+            => (godot_callable*)Unsafe.AsPointer(ref Unsafe.AsRef(in _getUnsafeAddressHelper));
+
+        [FieldOffset(0)] private byte _getUnsafeAddressHelper;
+
         [FieldOffset(0)] private godot_string_name _method;
 
         // There's padding here on 32-bit
 
         // ReSharper disable once PrivateFieldCanBeConvertedToLocalVariable
-        [FieldOffset(8)] private UInt64 _objectId;
+        [FieldOffset(8)] private ulong _objectId;
         [FieldOffset(8)] private IntPtr _custom;
 
         public godot_callable(godot_string_name method, ulong objectId) : this()
@@ -637,11 +673,17 @@ namespace Godot.NativeInterop
     // A correctly constructed value needs to call the native default constructor to allocate `_p`.
     // Don't pass a C# default constructed `godot_array` to native code, unless it's going to
     // be re-assigned a new value (the copy constructor checks if `_p` is null so that's fine).
-    [StructLayout(LayoutKind.Sequential)]
+    [StructLayout(LayoutKind.Explicit)]
     // ReSharper disable once InconsistentNaming
     public ref struct godot_array
     {
-        private unsafe ArrayPrivate* _p;
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        internal readonly unsafe godot_array* GetUnsafeAddress()
+            => (godot_array*)Unsafe.AsPointer(ref Unsafe.AsRef(in _getUnsafeAddressHelper));
+
+        [FieldOffset(0)] private byte _getUnsafeAddressHelper;
+
+        [FieldOffset(0)] private unsafe ArrayPrivate* _p;
 
         [StructLayout(LayoutKind.Sequential)]
         private struct ArrayPrivate
@@ -722,6 +764,10 @@ namespace Godot.NativeInterop
     // ReSharper disable once InconsistentNaming
     public ref struct godot_dictionary
     {
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        internal readonly unsafe godot_dictionary* GetUnsafeAddress()
+            => (godot_dictionary*)Unsafe.AsPointer(ref Unsafe.AsRef(in _p));
+
         private IntPtr _p;
 
         public readonly bool IsAllocated
@@ -759,6 +805,10 @@ namespace Godot.NativeInterop
     // ReSharper disable once InconsistentNaming
     public ref struct godot_packed_byte_array
     {
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        internal readonly unsafe godot_packed_byte_array* GetUnsafeAddress()
+            => (godot_packed_byte_array*)Unsafe.AsPointer(ref Unsafe.AsRef(in _writeProxy));
+
         private IntPtr _writeProxy;
         private unsafe byte* _ptr;
 
@@ -787,6 +837,10 @@ namespace Godot.NativeInterop
     // ReSharper disable once InconsistentNaming
     public ref struct godot_packed_int32_array
     {
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        internal readonly unsafe godot_packed_int32_array* GetUnsafeAddress()
+            => (godot_packed_int32_array*)Unsafe.AsPointer(ref Unsafe.AsRef(in _writeProxy));
+
         private IntPtr _writeProxy;
         private unsafe int* _ptr;
 
@@ -815,6 +869,10 @@ namespace Godot.NativeInterop
     // ReSharper disable once InconsistentNaming
     public ref struct godot_packed_int64_array
     {
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        internal readonly unsafe godot_packed_int64_array* GetUnsafeAddress()
+            => (godot_packed_int64_array*)Unsafe.AsPointer(ref Unsafe.AsRef(in _writeProxy));
+
         private IntPtr _writeProxy;
         private unsafe long* _ptr;
 
@@ -843,6 +901,10 @@ namespace Godot.NativeInterop
     // ReSharper disable once InconsistentNaming
     public ref struct godot_packed_float32_array
     {
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        internal readonly unsafe godot_packed_float32_array* GetUnsafeAddress()
+            => (godot_packed_float32_array*)Unsafe.AsPointer(ref Unsafe.AsRef(in _writeProxy));
+
         private IntPtr _writeProxy;
         private unsafe float* _ptr;
 
@@ -871,6 +933,10 @@ namespace Godot.NativeInterop
     // ReSharper disable once InconsistentNaming
     public ref struct godot_packed_float64_array
     {
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        internal readonly unsafe godot_packed_float64_array* GetUnsafeAddress()
+            => (godot_packed_float64_array*)Unsafe.AsPointer(ref Unsafe.AsRef(in _writeProxy));
+
         private IntPtr _writeProxy;
         private unsafe double* _ptr;
 
@@ -899,6 +965,10 @@ namespace Godot.NativeInterop
     // ReSharper disable once InconsistentNaming
     public ref struct godot_packed_string_array
     {
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        internal readonly unsafe godot_packed_string_array* GetUnsafeAddress()
+            => (godot_packed_string_array*)Unsafe.AsPointer(ref Unsafe.AsRef(in _writeProxy));
+
         private IntPtr _writeProxy;
         private unsafe godot_string* _ptr;
 
@@ -927,6 +997,10 @@ namespace Godot.NativeInterop
     // ReSharper disable once InconsistentNaming
     public ref struct godot_packed_vector2_array
     {
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        internal readonly unsafe godot_packed_vector2_array* GetUnsafeAddress()
+            => (godot_packed_vector2_array*)Unsafe.AsPointer(ref Unsafe.AsRef(in _writeProxy));
+
         private IntPtr _writeProxy;
         private unsafe Vector2* _ptr;
 
@@ -955,6 +1029,10 @@ namespace Godot.NativeInterop
     // ReSharper disable once InconsistentNaming
     public ref struct godot_packed_vector3_array
     {
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        internal readonly unsafe godot_packed_vector3_array* GetUnsafeAddress()
+            => (godot_packed_vector3_array*)Unsafe.AsPointer(ref Unsafe.AsRef(in _writeProxy));
+
         private IntPtr _writeProxy;
         private unsafe Vector3* _ptr;
 
@@ -983,6 +1061,10 @@ namespace Godot.NativeInterop
     // ReSharper disable once InconsistentNaming
     public ref struct godot_packed_color_array
     {
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        internal readonly unsafe godot_packed_color_array* GetUnsafeAddress()
+            => (godot_packed_color_array*)Unsafe.AsPointer(ref Unsafe.AsRef(in _writeProxy));
+
         private IntPtr _writeProxy;
         private unsafe Color* _ptr;
 
diff --git a/modules/mono/glue/GodotSharp/GodotSharp/FodyWeavers.xml b/modules/mono/glue/GodotSharp/GodotSharp/FodyWeavers.xml
deleted file mode 100644
index d7abb3c982..0000000000
--- a/modules/mono/glue/GodotSharp/GodotSharp/FodyWeavers.xml
+++ /dev/null
@@ -1,3 +0,0 @@
-<Weavers xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="FodyWeavers.xsd">
-  <InlineIL />
-</Weavers>
diff --git a/modules/mono/glue/GodotSharp/GodotSharp/GenerateGodotCustomUnsafe.targets b/modules/mono/glue/GodotSharp/GodotSharp/GenerateGodotCustomUnsafe.targets
deleted file mode 100644
index f572f8a75c..0000000000
--- a/modules/mono/glue/GodotSharp/GodotSharp/GenerateGodotCustomUnsafe.targets
+++ /dev/null
@@ -1,93 +0,0 @@
-<Project>
-  <!-- Generate Godot.NativeInterop.CustomUnsafe C# class-->
-
-  <!--
-  Ref structs are not allowed as generic type parameters, so we can't use Unsafe.AsPointer<T>/AsRef<T>.
-  As a workaround we generate overloads of those methods for our structs using Fody with inline IL.
-  -->
-
-  <ItemGroup>
-    <PackageReference Include="Fody" Version="6.6.0" PrivateAssets="all" />
-    <PackageReference Include="InlineIL.Fody" Version="1.7.1" PrivateAssets="all" />
-  </ItemGroup>
-
-  <ItemGroup>
-    <GodotInteropStructs Include="godot_ref" />
-    <GodotInteropStructs Include="godot_variant_call_error" />
-    <GodotInteropStructs Include="godot_variant" />
-    <GodotInteropStructs Include="godot_string" />
-    <GodotInteropStructs Include="godot_string_name" />
-    <GodotInteropStructs Include="godot_node_path" />
-    <GodotInteropStructs Include="godot_signal" />
-    <GodotInteropStructs Include="godot_callable" />
-    <GodotInteropStructs Include="godot_array" />
-    <GodotInteropStructs Include="godot_dictionary" />
-    <GodotInteropStructs Include="godot_packed_byte_array" />
-    <GodotInteropStructs Include="godot_packed_int32_array" />
-    <GodotInteropStructs Include="godot_packed_int64_array" />
-    <GodotInteropStructs Include="godot_packed_float32_array" />
-    <GodotInteropStructs Include="godot_packed_float64_array" />
-    <GodotInteropStructs Include="godot_packed_string_array" />
-    <GodotInteropStructs Include="godot_packed_vector2_array" />
-    <GodotInteropStructs Include="godot_packed_vector3_array" />
-    <GodotInteropStructs Include="godot_packed_color_array" />
-  </ItemGroup>
-
-  <Target Name="GenerateGodotCustomUnsafe"
-          DependsOnTargets="_GenerateGodotCustomUnsafe"
-          BeforeTargets="PrepareForBuild;CompileDesignTime;BeforeCompile;CoreCompile">
-    <ItemGroup>
-      <Compile Include="$(IntermediateOutputPath)CustomUnsafe.%(GodotInteropStructs.Identity).g.cs" />
-      <FileWrites Include="$(IntermediateOutputPath)CustomUnsafe.%(GodotInteropStructs.Identity).g.cs" />
-    </ItemGroup>
-  </Target>
-  <Target Name="_GenerateGodotCustomUnsafe"
-          Inputs="$(MSBuildProjectFile);$(MSBuildThisFileDirectory);@(GodotInteropStructs)"
-          Outputs="$(IntermediateOutputPath)CustomUnsafe.%(GodotInteropStructs.Identity).g.cs">
-    <PropertyGroup>
-      <GodotInteropStruct>%(GodotInteropStructs.Identity)</GodotInteropStruct>
-      <GenerateGodotCustomUnsafeCode><![CDATA[
-using System.Runtime.CompilerServices%3b
-using InlineIL%3b
-using static InlineIL.IL.Emit%3b
-
-namespace Godot.NativeInterop
-{
-    public static partial class CustomUnsafe
-    {
-        [MethodImpl(MethodImplOptions.AggressiveInlining)]
-        public static unsafe $(GodotInteropStruct)* AsPointer(ref $(GodotInteropStruct) value)
-        {
-            Ldarg(nameof(value))%3b
-            Conv_U()%3b
-            return ($(GodotInteropStruct)*)IL.ReturnPointer()%3b
-        }
-
-        [MethodImpl(MethodImplOptions.AggressiveInlining)]
-        private static unsafe $(GodotInteropStruct)* ReadOnlyRefAsPointer(in $(GodotInteropStruct) value)
-        {
-            Ldarg(nameof(value))%3b
-            Conv_U()%3b
-            return ($(GodotInteropStruct)*)IL.ReturnPointer()%3b
-        }
-
-        [MethodImpl(MethodImplOptions.AggressiveInlining)]
-        public static unsafe ref $(GodotInteropStruct) AsRef($(GodotInteropStruct)* source)
-        {
-            return ref *source%3b
-        }
-
-        [MethodImpl(MethodImplOptions.AggressiveInlining)]
-        public static unsafe ref $(GodotInteropStruct) AsRef(in $(GodotInteropStruct) source)
-        {
-            return ref *ReadOnlyRefAsPointer(in source)%3b
-        }
-    }
-}
-]]></GenerateGodotCustomUnsafeCode>
-    </PropertyGroup>
-    <WriteLinesToFile Lines="$(GenerateGodotCustomUnsafeCode)"
-                      File="$(IntermediateOutputPath)CustomUnsafe.%(GodotInteropStructs.Identity).g.cs"
-                      Overwrite="True" WriteOnlyWhenDifferent="True" />
-  </Target>
-</Project>
diff --git a/modules/mono/glue/GodotSharp/GodotSharp/GodotSharp.csproj b/modules/mono/glue/GodotSharp/GodotSharp/GodotSharp.csproj
index c7881c7404..7022d96cfc 100644
--- a/modules/mono/glue/GodotSharp/GodotSharp/GodotSharp.csproj
+++ b/modules/mono/glue/GodotSharp/GodotSharp/GodotSharp.csproj
@@ -41,11 +41,6 @@
     <PackageReference Include="ReflectionAnalyzers" Version="0.1.22-dev" PrivateAssets="all" IncludeAssets="runtime; build; native; contentfiles; analyzers" />
     <!--PackageReference Include="IDisposableAnalyzers" Version="3.4.13" PrivateAssets="all" IncludeAssets="runtime; build; native; contentfiles; analyzers" /-->
   </ItemGroup>
-  <!-- Targets for generating Godot.NativeInterop.CustomUnsafe -->
-  <Import Project="GenerateGodotCustomUnsafe.targets" />
-  <ItemGroup>
-    <None Include="GenerateGodotCustomUnsafe.targets" />
-  </ItemGroup>
   <!-- Sources -->
   <ItemGroup>
     <Compile Include="Core\AABB.cs" />
@@ -89,6 +84,7 @@
     <Compile Include="Core\Interfaces\ISerializationListener.cs" />
     <Compile Include="Core\Mathf.cs" />
     <Compile Include="Core\MathfEx.cs" />
+    <Compile Include="Core\NativeInterop\CustomUnsafe.cs" />
     <Compile Include="Core\NativeInterop\ExceptionUtils.cs" />
     <Compile Include="Core\NativeInterop\GodotDllImportResolver.cs" />
     <Compile Include="Core\NativeInterop\InteropUtils.cs" />