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MoonWorks
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.NET 5

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cosmonaut 2021-07-23 14:33:16 -07:00
parent 681e620477
commit a337b94dfa
2 changed files with 217 additions and 16 deletions
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32
MoonWorks.csproj
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@ -1,24 +1,24 @@
<Project Sdk="Microsoft.NET.Sdk">
<PropertyGroup>
<TargetFramework>netstandard2.0</TargetFramework>
<Platforms>x64</Platforms>
<AllowUnsafeBlocks>true</AllowUnsafeBlocks>
</PropertyGroup>
<PropertyGroup>
<TargetFramework>net5.0</TargetFramework>
<Platforms>x64</Platforms>
<AllowUnsafeBlocks>true</AllowUnsafeBlocks>
</PropertyGroup>
<PropertyGroup>
<DefaultItemExcludes>$(DefaultItemExcludes);lib\**\*</DefaultItemExcludes>
</PropertyGroup>
<PropertyGroup>
<DefaultItemExcludes>$(DefaultItemExcludes);lib\**\*</DefaultItemExcludes>
</PropertyGroup>
<ItemGroup>
<ProjectReference Include=".\lib\SDL2-CS\SDL2-CS.Core.csproj" />
<ProjectReference Include=".\lib\RefreshCS\RefreshCS.csproj" />
<ProjectReference Include=".\lib\FAudio\csharp\FAudio-CS.Core.csproj" />
</ItemGroup>
<ItemGroup>
<ProjectReference Include=".\lib\SDL2-CS\SDL2-CS.Core.csproj" />
<ProjectReference Include=".\lib\RefreshCS\RefreshCS.csproj" />
<ProjectReference Include=".\lib\FAudio\csharp\FAudio-CS.Core.csproj" />
</ItemGroup>
<ItemGroup>
<ItemGroup>
<None Include="MoonWorks.dll.config">
<CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
</None>
<CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
</None>
</ItemGroup>
</Project>

201
src/MoonWorksDllMap.cs Normal file
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@ -0,0 +1,201 @@
#region License
/* MoonWorks - Game Development Framework
* Copyright 2021 Evan Hemsley
*/
/* Derived from code by Ethan Lee (Copyright 2009-2021).
* Released under the Microsoft Public License.
* See fna.LICENSE for details.
*/
#endregion
#region Using Statements
using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.IO;
using System.Reflection;
using System.Runtime.InteropServices;
using System.Runtime.CompilerServices;
using System.Xml;
#endregion
namespace MoonWorks
{
internal static class MoonWorksDllMap
{
#region Private Static Variables
private static Dictionary<string, string> mapDictionary
= new Dictionary<string, string>();
#endregion
#region Private Static Methods
private static string GetPlatformName()
{
if (OperatingSystem.IsWindows())
{
return "windows";
}
else if (OperatingSystem.IsMacOS())
{
return "osx";
}
else if (OperatingSystem.IsLinux())
{
return "linux";
}
else if (OperatingSystem.IsFreeBSD())
{
return "freebsd";
}
else
{
// Maybe this platform statically links?
return "unknown";
}
}
#endregion
#region DllImportResolver Callback Method
private static IntPtr MapAndLoad(
string libraryName,
Assembly assembly,
DllImportSearchPath? dllImportSearchPath
) {
string mappedName;
if (!mapDictionary.TryGetValue(libraryName, out mappedName))
{
mappedName = libraryName;
}
return NativeLibrary.Load(mappedName, assembly, dllImportSearchPath);
}
#endregion
#region Module Initializer
[ModuleInitializer]
public static void Init()
{
// Get the platform and architecture
string os = GetPlatformName();
string cpu = RuntimeInformation.ProcessArchitecture.ToString().ToLowerInvariant();
string wordsize = (IntPtr.Size * 8).ToString();
// Get the path to the assembly
Assembly assembly = Assembly.GetExecutingAssembly();
string assemblyPath = "";
if (assembly.Location != null)
{
assemblyPath = Path.GetDirectoryName(assembly.Location);
}
// Locate the config file
string xmlPath = Path.Combine(
assemblyPath,
assembly.GetName().Name + ".dll.config"
);
if (!File.Exists(xmlPath))
{
// Let's hope for the best...
return;
}
// Load the XML
XmlDocument xmlDoc = new XmlDocument();
xmlDoc.Load(xmlPath);
// The NativeLibrary API cannot remap function names. :(
if (xmlDoc.GetElementsByTagName("dllentry").Count > 0)
{
string msg = "Function remapping is not supported by .NET Core. Ignoring dllentry elements...";
Console.WriteLine(msg);
// Log it in the debugger for non-console apps.
if (Debugger.IsAttached)
{
Debug.WriteLine(msg);
}
}
// Parse the XML into a mapping dictionary
foreach (XmlNode node in xmlDoc.GetElementsByTagName("dllmap"))
{
XmlAttribute attribute;
// Check the OS
attribute = node.Attributes["os"];
if (attribute != null)
{
bool containsOS = attribute.Value.Contains(os);
bool invert = attribute.Value.StartsWith("!");
if ((!containsOS && !invert) || (containsOS && invert))
{
continue;
}
}
// Check the CPU
attribute = node.Attributes["cpu"];
if (attribute != null)
{
bool containsCPU = attribute.Value.Contains(cpu);
bool invert = attribute.Value.StartsWith("!");
if ((!containsCPU && !invert) || (containsCPU && invert))
{
continue;
}
}
// Check the word size
attribute = node.Attributes["wordsize"];
if (attribute != null)
{
bool containsWordsize = attribute.Value.Contains(wordsize);
bool invert = attribute.Value.StartsWith("!");
if ((!containsWordsize && !invert) || (containsWordsize && invert))
{
continue;
}
}
// Check for the existence of 'dll' and 'target' attributes
XmlAttribute dllAttribute = node.Attributes["dll"];
XmlAttribute targetAttribute = node.Attributes["target"];
if (dllAttribute == null || targetAttribute == null)
{
continue;
}
// Get the actual library names
string oldLib = dllAttribute.Value;
string newLib = targetAttribute.Value;
if (string.IsNullOrWhiteSpace(oldLib) || string.IsNullOrWhiteSpace(newLib))
{
continue;
}
// Don't allow duplicates
if (mapDictionary.ContainsKey(oldLib))
{
continue;
}
mapDictionary.Add(oldLib, newLib);
}
// Set the resolver callback for our native assemblies
NativeLibrary.SetDllImportResolver(typeof(SDL2.SDL).Assembly, MapAndLoad);
NativeLibrary.SetDllImportResolver(typeof(RefreshCS.Refresh).Assembly, MapAndLoad);
NativeLibrary.SetDllImportResolver(typeof(FAudio).Assembly, MapAndLoad);
}
#endregion
}
}