MSBuild: Add platform-agnostic task to convert WAV to OGG

MuzikaGromche.template.props.user

@@ -2,9 +2,13 @@
 <Project>
     <PropertyGroup>
         <!-- Copy this file to MuzikaGromche.props.user and uncomment one of two paths below: -->
+
         <!-- On Linux: -->
         <!-- <LethalCompanyDir>$(HOME)/.local/share/Steam/steamapps/common/Lethal Company/</LethalCompanyDir> -->
+        <!-- <WavExportDir>\home\ratijas\Music\SFX\Export</WavExportDir> -->
+
         <!-- On Windows: -->
         <!-- <LethalCompanyDir>C:/Program Files (x86)/Steam/steamapps/common/Lethal Company/</LethalCompanyDir> -->
+        <!-- <WavExportDir>D:\Code\MuzikaGromcheAudio\Export</WavExportDir> -->
     </PropertyGroup>
 </Project>

MuzikaGromche/MuzikaGromche.csproj

@@ -73,4 +73,18 @@
             DestinationFolder="$(SolutionDir)dist\"
         />
     </Target>
+
+    <!--
+    Usage:
+        Set WavExportDir in props.user file.
+        Run
+            > dotnet msbuild /t:wav2ogg /p:TrackName=GodMode
+    -->
+    <Target Name="wav2ogg">
+        <ItemGroup>
+            <TrackNames Include="$(TrackName)Start" />
+            <TrackNames Include="$(TrackName)Loop" />
+        </ItemGroup>
+        <Exec Command="ffmpeg -bitexact -y -i $(WavExportDir)%(TrackNames.Identity).wav $(SolutionDir)Assets\%(TrackNames.Identity).ogg"/>
+    </Target>
 </Project>