Steam infra

Signed-off-by: Isaac Marovitz <[email protected]>

Author: IsaacMarovitz

Source/Libraries/HedgeModManager.Steam/SteamLocator.cs

@@ -25,14 +25,20 @@ public class SteamLocator : IGameLocator
         return null;
     }
 
+    [SupportedOSPlatform("macos")]
+    private string? FindSteamLibraryMacOS()
+    {
+        // TODO: Open a folder selection window
+        return "";
+    }
+
     private string? FindSteamLibraryUnix()
     {
         var pathList = new[]
         {
             Path.Combine(".steam", "steam"),
             Path.Combine(".var", "app", "com.valvesoftware.Steam", ".steam", "steam"),
-            Path.Combine("snap", "steam", "common", ".steam", "steam"),
-        };
+            Path.Combine("snap", "steam", "common", ".steam", "steam"),        };
 
         foreach (string path in pathList)
         {
@@ -54,6 +60,12 @@ public class SteamLocator : IGameLocator
                 return SteamInstallPath;
             }
 
+            if (OperatingSystem.IsMacOS())
+            {
+                SteamInstallPath = FindSteamLibraryMacOS();
+                return SteamInstallPath;
+            }
+
             SteamInstallPath = FindSteamLibraryUnix();
             return SteamInstallPath;
         }
@@ -86,7 +98,7 @@ public List<SteamGame> Locate()
                 continue;
             }
 
-            // Paths will be encoded by Windows steam and will need to be adapted for macOS Paths.
+            // Paths will be encoded by Windows Steam and will need to be adapted for macOS paths.
             // C:\ is equivalent to the Wine prefix.
             // Any other drive letter should be removed and treated as raw Unix path.
             if (OperatingSystem.IsMacOS())