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62 lines
2.1 KiB
62 lines
2.1 KiB
using System;
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using System.IO;
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using System.Runtime.InteropServices;
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using AOT;
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using Epic.OnlineServices;
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public static class EOSNativeHelper
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{
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#if UNITY_STANDALONE_WIN
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[DllImport("kernel32", EntryPoint = "LoadLibrary", SetLastError = true, CharSet = CharSet.Unicode)]
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private static extern IntPtr LoadLibraryNative(string lpFileName);
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[DllImport("kernel32", SetLastError = true, CharSet = CharSet.Unicode)]
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[return: MarshalAs(UnmanagedType.Bool)]
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private static extern bool SetDllDirectory(string lpPathName);
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public static IntPtr LoadLibrary(string lpFileName)
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{
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string lpPathName = Path.GetDirectoryName(lpFileName);
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lpFileName = Path.GetFileName(lpFileName);
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SetDllDirectory(lpPathName.Replace('/', '\\'));
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return LoadLibraryNative(lpFileName);
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}
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[DllImport("kernel32", SetLastError = true)]
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[return: MarshalAs(UnmanagedType.Bool)]
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public static extern bool FreeLibrary(IntPtr hModule);
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[DllImport("kernel32")]
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public static extern IntPtr GetProcAddress(IntPtr hModule, string procedureName);
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#endif
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[UnmanagedFunctionPointer(Config.LibraryCallingConvention)]
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public delegate IntPtr AllocateMemoryFunc(IntPtr size, IntPtr alignment);
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[MonoPInvokeCallback(typeof(AllocateMemoryFunc))]
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public static IntPtr AllocateMemory(IntPtr size, IntPtr alignment)
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{
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return Marshal.AllocHGlobal(size);
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}
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[UnmanagedFunctionPointer(Config.LibraryCallingConvention)]
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public delegate IntPtr ReallocateMemoryFunc(IntPtr pointer, IntPtr size, IntPtr alignment);
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[MonoPInvokeCallback(typeof(ReallocateMemoryFunc))]
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public static IntPtr ReallocateMemory(IntPtr pointer, IntPtr size, IntPtr alignment)
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{
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if (pointer == IntPtr.Zero)
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return Marshal.AllocHGlobal(size);
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return Marshal.ReAllocHGlobal(pointer, size);
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}
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[UnmanagedFunctionPointer(Config.LibraryCallingConvention)]
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public delegate void ReleaseMemoryFunc(IntPtr pointer);
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[MonoPInvokeCallback(typeof(ReleaseMemoryFunc))]
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public static void ReleaseMemory(IntPtr pointer)
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{
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Marshal.FreeHGlobal(pointer);
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}
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}
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