Add Docfx Code Doc generation support

.gitignore

@@ -3,6 +3,10 @@
 ##
 ## Get latest from https://github.com/github/gitignore/blob/master/VisualStudio.gitignore
 
+# Nitrox DocFx files
+Nitrox.DocFx/api/
+Nitrox.DocFx/_site/
+
 # User-specific files
 *.rsuser
 *.suo
@@ -385,4 +389,4 @@ FodyWeavers.xsd
 
 # JetBrains Rider
 .idea/
-*.sln.iml
+*.sln.iml

Directory.Build.props

@@ -7,7 +7,7 @@
         <TestLibrary>false</TestLibrary>
         <NitroxLibrary>false</NitroxLibrary>
         <UnityModLibrary>false</UnityModLibrary>
-        <BuildToolDir>$(SolutionDir)Nitrox.BuildTool\bin\</BuildToolDir>
+        <BuildToolDir>$(MSBuildThisFileDirectory)Nitrox.BuildTool\bin\</BuildToolDir>
         <BuildGenDir>$(BuildToolDir)generated_files\</BuildGenDir>
         <BuildGenDllDir>$(BuildGenDir)publicized_assemblies\</BuildGenDllDir>
         <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
@@ -22,7 +22,7 @@
     <PropertyGroup Condition="$([System.Text.RegularExpressions.Regex]::IsMatch($(MSBuildProjectName), '^Nitrox.*$'))">
         <NitroxProject>true</NitroxProject>
     </PropertyGroup>
-    <PropertyGroup Condition="'$(NitroxProject)' == 'true' and '$(MSBuildProjectName)' != 'Nitrox.Analyzers'">
+    <PropertyGroup Condition="'$(NitroxProject)' == 'true'">
         <NitroxLibrary>true</NitroxLibrary>
     </PropertyGroup>
     <PropertyGroup Condition="'$(NitroxLibrary)' == 'true' and '$(MSBuildProjectName)' != 'NitroxModel' and '$(MSBuildProjectName)' != 'NitroxServer' and '$(MSBuildProjectName)' != 'Nitrox.BuildTool'">
@@ -43,15 +43,10 @@
                     <PrivateAssets>all</PrivateAssets>
                     <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
                 </PackageReference>
-            </ItemGroup>
-        </When>
-    </Choose>
-
-    <!-- Include our analyzer and code gen library to all Nitrox projects -->
-    <Choose>
-        <When Condition="'$(NitroxLibrary)' == 'true'">
-            <ItemGroup>
-                <ProjectReference Include="..\Nitrox.Analyzers\Nitrox.Analyzers.csproj" OutputItemType="Analyzer" ReferenceOutputAssembly="false" />
+                <PackageReference Include="Nitrox.Analyzers" Version="1.0.6">
+                    <PrivateAssets>all</PrivateAssets>
+                    <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
+                </PackageReference>
             </ItemGroup>
         </When>
     </Choose>
@@ -61,11 +56,11 @@
         <When Condition="'$(UnityModLibrary)' == 'true'">
             <ItemGroup>
                 <!-- Require other Nitrox projects (that need game DLLs) to wait on BuildTool. -->
-                <ProjectReference Include="$(SolutionDir)Nitrox.BuildTool\Nitrox.BuildTool.csproj">
+                <ProjectReference Include="$(MSBuildThisFileDirectory)Nitrox.BuildTool\Nitrox.BuildTool.csproj">
                     <Name>Nitrox.BuildTool</Name>
                     <ReferenceOutputAssembly>false</ReferenceOutputAssembly>
                 </ProjectReference>
-                <ProjectReference Include="$(SolutionDir)NitroxModel\NitroxModel.csproj">
+                <ProjectReference Include="$(MSBuildThisFileDirectory)NitroxModel\NitroxModel.csproj">
                     <Name>NitroxModel</Name>
                 </ProjectReference>
             </ItemGroup>