first commit

NitroxModel/Discovery/GameInstallationHelper.cs

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+using System.IO;
+using System.Runtime.InteropServices;
+
+namespace NitroxModel.Discovery;
+
+public static class GameInstallationHelper
+{
+    public static bool HasGameExecutable(string path, GameInfo gameInfo)
+    {
+        if (string.IsNullOrWhiteSpace(path))
+        {
+            return false;
+        }
+        if (RuntimeInformation.IsOSPlatform(OSPlatform.OSX))
+        {
+            return File.Exists(Path.Combine(path, "MacOS", gameInfo.ExeName));
+        }
+        return File.Exists(Path.Combine(path, gameInfo.ExeName));
+    }
+
+    public static bool HasValidGameFolder(string path, GameInfo gameInfo)
+    {
+        if (string.IsNullOrWhiteSpace(path))
+        {
+            return false;
+        }
+        if (!Directory.Exists(path))
+        {
+            return false;
+        }
+        if (!HasGameExecutable(path, gameInfo))
+        {
+            return false;
+        }
+        if (!Directory.Exists(Path.Combine(path, gameInfo.DataFolder, "Managed")))
+        {
+            return false;
+        }
+
+        return true;
+    }
+}