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Plugin.ClientModLoader/Utils/CallResultAsync.cs

@@ -0,0 +1,32 @@
+using System.Runtime.CompilerServices;
+using System.Runtime.InteropServices;
+using Steamworks;
+
+namespace Plugin.ClientModLoader.Utils;
+
+public static class CallResultAsync<T> where T : struct
+{
+    public static async Task<T> Create(SteamAPICall_t call)
+    {
+        var tcs = new TaskCompletionSource<T>();
+        using var callResult = CallResult<T>.Create((args, failed) =>
+        {
+            if (failed)
+            {
+                ref var result = ref Unsafe.As<T, GenericCallResult>(ref args);
+                tcs.TrySetException(new Exception($"CallResult failed: {result.m_eResult}"));
+            }
+            else tcs.TrySetResult(args);
+        });
+        callResult.Set(call);
+
+        return await tcs.Task;
+    }
+    
+    [StructLayout(LayoutKind.Sequential, Pack = 8)]
+    private struct GenericCallResult
+    {
+        public UGCQueryHandle_t m_handle;
+        public EResult m_eResult;
+    }
+}