Add project files.

AssetStudioUtility/ACL/SRACL.cs

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+using System;
+using System.Runtime.InteropServices;
+using AssetStudio.PInvoke;
+
+namespace ACL
+{
+    public static class SRACL
+    {
+        private const string DLL_NAME = "sracl";
+        static SRACL()
+        {
+            DllLoader.PreloadDll(DLL_NAME);
+        }
+        public static void DecompressAll(uint[] data, out float[] values, out float[] times)
+        {
+            var pinned = GCHandle.Alloc(data, GCHandleType.Pinned);
+            var pData = pinned.AddrOfPinnedObject();
+            DecompressAll(pData, out var pValues, out var numValues, out var pTimes, out var numTimes);
+            pinned.Free();
+
+            values = new float[numValues];
+            Marshal.Copy(pValues, values, 0, numValues);
+
+            times = new float[numTimes];
+            Marshal.Copy(pTimes, times, 0, numTimes);
+        }
+
+        #region importfunctions
+
+        [DllImport(DLL_NAME, CallingConvention = CallingConvention.Cdecl)]
+        private static extern void DecompressAll(IntPtr data, out IntPtr pValues, out int numValues, out IntPtr pTimes, out int numTimes);
+
+        #endregion
+    }
+}