Merge branch 'master' of https://github.com/Perfare/AssetStudio

Author: ccggzz123@aliyun.com

.github/workflows/build.yml

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+name: AssetStudioBuild
+
+on:
+  push:
+    branches: [ master ]
+  pull_request:
+    branches: [ master ]
+
+  workflow_dispatch:
+
+jobs:
+  build:
+    runs-on: windows-latest
+
+    steps:
+      - uses: actions/checkout@v2
+      - uses: microsoft/setup-msbuild@v1.1
+      
+      - name: Download FBX SDK
+        run: |
+          md fbx
+          cd fbx
+          Invoke-WebRequest "https://damassets.autodesk.net/content/dam/autodesk/www/adn/fbx/2020-2-1/fbx202021_fbxsdk_vs2019_win.exe" -OutFile "fbxsdk.exe"
+          Start-Process -FilePath "fbxsdk.exe" /S -Wait
+          Invoke-WebRequest "https://damassets.autodesk.net/content/dam/autodesk/www/adn/fbx/2020-2-1/fbx202021_fbxsdk_vs2019_pdbs.exe" -OutFile "fbxpdb.exe"
+          Start-Process -FilePath "fbxpdb.exe" /S -Wait
+          cd ..
+
+      - name: Nuget Restore
+        run: nuget restore
+      
+      - name: Build .Net472
+        run: msbuild /p:Configuration=Release /p:TargetFramework=net472 /verbosity:minimal
+
+      - name: Build .Net5
+        run: msbuild /t:AssetStudioGUI:publish /p:Configuration=Release /p:TargetFramework=net5.0-windows /p:SelfContained=false /verbosity:minimal
+
+      - name: Build .Net6
+        run: msbuild /t:AssetStudioGUI:publish /p:Configuration=Release /p:TargetFramework=net6.0-windows /p:SelfContained=false /verbosity:minimal
+
+      - name: Upload .Net472 Artifact
+        uses: actions/upload-artifact@v2
+        with:
+          name: AssetStudio.net472
+          path: AssetStudioGUI/bin/Release/net472
+
+      - name: Upload .Net5 Artifact
+        uses: actions/upload-artifact@v2
+        with:
+          name: AssetStudio.net5
+          path: AssetStudioGUI/bin/Release/net5.0-windows/publish
+
+      - name: Upload .Net6 Artifact
+        uses: actions/upload-artifact@v2
+        with:
+          name: AssetStudio.net6
+          path: AssetStudioGUI/bin/Release/net6.0-windows/publish

AssetStudio.PInvoke/AssetStudio.PInvoke.csproj

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+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFrameworks>net472;netstandard2.0</TargetFrameworks>
+    <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
+    <Version>0.16.0.0</Version>
+    <AssemblyVersion>0.16.0.0</AssemblyVersion>
+    <FileVersion>0.16.0.0</FileVersion>
+    <Copyright>Copyright © Perfare 2020-2022; Copyright © hozuki 2020</Copyright>
+    <DebugType>embedded</DebugType>
+  </PropertyGroup>
+
+</Project>

AssetStudio.PInvoke/DllLoader.cs

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+using System;
+using System.ComponentModel;
+using System.Diagnostics;
+using System.IO;
+using System.Runtime.InteropServices;
+
+namespace AssetStudio.PInvoke
+{
+    public static class DllLoader
+    {
+
+        public static void PreloadDll(string dllName)
+        {
+            var dllDir = GetDirectedDllDirectory();
+
+            // Not using OperatingSystem.Platform.
+            // See: https://www.mono-project.com/docs/faq/technical/#how-to-detect-the-execution-platform
+            if (RuntimeInformation.IsOSPlatform(OSPlatform.Windows))
+            {
+                Win32.LoadDll(dllDir, dllName);
+            }
+            else
+            {
+                Posix.LoadDll(dllDir, dllName);
+            }
+        }
+
+        private static string GetDirectedDllDirectory()
+        {
+            var localPath = Process.GetCurrentProcess().MainModule.FileName;
+            var localDir = Path.GetDirectoryName(localPath);
+
+            var subDir = Environment.Is64BitProcess ? "x64" : "x86";
+
+            var directedDllDir = Path.Combine(localDir, subDir);
+
+            return directedDllDir;
+        }
+
+        private static class Win32
+        {
+
+            internal static void LoadDll(string dllDir, string dllName)
+            {
+                var dllFileName = $"{dllName}.dll";
+                var directedDllPath = Path.Combine(dllDir, dllFileName);
+
+                // Specify SEARCH_DLL_LOAD_DIR to load dependent libraries located in the same platform-specific directory.
+                var hLibrary = LoadLibraryEx(directedDllPath, IntPtr.Zero, LOAD_LIBRARY_SEARCH_DEFAULT_DIRS | LOAD_LIBRARY_SEARCH_DLL_LOAD_DIR);
+
+                if (hLibrary == IntPtr.Zero)
+                {
+                    var errorCode = Marshal.GetLastWin32Error();
+                    var exception = new Win32Exception(errorCode);
+
+                    throw new DllNotFoundException(exception.Message, exception);
+                }
+            }
+
+            // HMODULE LoadLibraryExA(LPCSTR lpLibFileName, HANDLE hFile, DWORD dwFlags);
+            // HMODULE LoadLibraryExW(LPCWSTR lpLibFileName, HANDLE hFile, DWORD dwFlags);
+            [DllImport("kernel32.dll", SetLastError = true)]
+            private static extern IntPtr LoadLibraryEx(string lpLibFileName, IntPtr hFile, uint dwFlags);
+
+            private const uint LOAD_LIBRARY_SEARCH_DEFAULT_DIRS = 0x1000;
+            private const uint LOAD_LIBRARY_SEARCH_DLL_LOAD_DIR = 0x100;
+
+        }
+
+        private static class Posix
+        {
+
+            internal static void LoadDll(string dllDir, string dllName)
+            {
+                string dllExtension;
+
+                if (RuntimeInformation.IsOSPlatform(OSPlatform.Linux))
+                {
+                    dllExtension = ".so";
+                }
+                else if (RuntimeInformation.IsOSPlatform(OSPlatform.OSX))
+                {
+                    dllExtension = ".dylib";
+                }
+                else
+                {
+                    throw new NotSupportedException();
+                }
+
+                var dllFileName = $"lib{dllName}{dllExtension}";
+                var directedDllPath = Path.Combine(dllDir, dllFileName);
+
+                const int ldFlags = RTLD_NOW | RTLD_GLOBAL;
+                var hLibrary = DlOpen(directedDllPath, ldFlags);
+
+                if (hLibrary == IntPtr.Zero)
+                {
+                    var pErrStr = DlError();
+                    // `PtrToStringAnsi` always uses the specific constructor of `String` (see dotnet/core#2325),
+                    // which in turn interprets the byte sequence with system default codepage. On OSX and Linux
+                    // the codepage is UTF-8 so the error message should be handled correctly.
+                    var errorMessage = Marshal.PtrToStringAnsi(pErrStr);
+
+                    throw new DllNotFoundException(errorMessage);
+                }
+            }
+
+            // OSX and most Linux OS use LP64 so `int` is still 32-bit even on 64-bit platforms.
+            // void *dlopen(const char *filename, int flag);
+            [DllImport("libdl", EntryPoint = "dlopen")]
+            private static extern IntPtr DlOpen([MarshalAs(UnmanagedType.LPStr)] string fileName, int flags);
+
+            // char *dlerror(void);
+            [DllImport("libdl", EntryPoint = "dlerror")]
+            private static extern IntPtr DlError();
+
+            private const int RTLD_LAZY = 0x1;
+            private const int RTLD_NOW = 0x2;
+            private const int RTLD_GLOBAL = 0x100;
+
+        }
+
+    }
+}

AssetStudio.PInvoke/Utf8StringHandle.cs

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+using System;
+using System.Runtime.InteropServices;
+using System.Text;
+using Microsoft.Win32.SafeHandles;
+
+namespace AssetStudio.PInvoke
+{
+    // Generally the technique from Steamworks.NET
+    public class Utf8StringHandle : SafeHandleZeroOrMinusOneIsInvalid
+    {
+
+        static Utf8StringHandle()
+        {
+            Utf8 = new UTF8Encoding(false);
+        }
+
+        public Utf8StringHandle(string str)
+            : base(true)
+        {
+            IntPtr buffer;
+
+            if (str == null)
+            {
+                buffer = IntPtr.Zero;
+            }
+            else
+            {
+                if (str.Length == 0)
+                {
+                    buffer = Marshal.AllocHGlobal(1);
+
+                    unsafe
+                    {
+                        *(byte*)buffer = 0;
+                    }
+                }
+                else
+                {
+                    var strlen = Utf8.GetByteCount(str);
+                    var strBuffer = new byte[strlen + 1];
+
+                    Utf8.GetBytes(str, 0, str.Length, strBuffer, 0);
+
+                    buffer = Marshal.AllocHGlobal(strBuffer.Length);
+
+                    Marshal.Copy(strBuffer, 0, buffer, strBuffer.Length);
+                }
+            }
+
+            SetHandle(buffer);
+        }
+
+        public static string ReadUtf8StringFromPointer(IntPtr lpstr)
+        {
+            if (lpstr == IntPtr.Zero || lpstr == new IntPtr(-1))
+            {
+                return null;
+            }
+
+            var byteCount = 0;
+
+            unsafe
+            {
+                var p = (byte*)lpstr.ToPointer();
+
+                while (*p != 0)
+                {
+                    byteCount += 1;
+                    p += 1;
+                }
+            }
+
+            if (byteCount == 0)
+            {
+                return string.Empty;
+            }
+
+            var strBuffer = new byte[byteCount];
+
+            Marshal.Copy(lpstr, strBuffer, 0, byteCount);
+
+            var str = Utf8.GetString(strBuffer);
+
+            return str;
+        }
+
+        protected override bool ReleaseHandle()
+        {
+            if (!IsInvalid)
+            {
+                Marshal.FreeHGlobal(handle);
+            }
+
+            return true;
+        }
+
+        private static readonly UTF8Encoding Utf8;
+
+    }
+}