Add command-line switch

30_Cube/csharp/Program.cs

@@ -5,4 +5,6 @@ global using static Cube.Resources.Resource;
 
 using Cube;
 
-new Game(new ConsoleIO(), new RandomNumberGenerator()).Play();
+IRandom random = args.Contains("--non-random") ? new ZerosGenerator() : new RandomNumberGenerator();
+
+new Game(new ConsoleIO(), random).Play();

30_Cube/csharp/README.md

@@ -9,4 +9,4 @@ allows the game to be run in a deterministic (non-random) mode.
 
 Running the C# port without command-line parameters will play the game with random mine locations.
 
-Running the port with a `-d` command-line switch will run the game with non-random mine locations.
+Running the port with a `--non-random` command-line switch will run the game with non-random mine locations.

30_Cube/csharp/ZerosGenerator.cs

@@ -0,0 +1,10 @@
+namespace Cube;
+
+internal class ZerosGenerator : IRandom
+{
+    public float NextFloat() => 0;
+
+    public float PreviousFloat() => 0;
+
+    public void Reseed(int seed) { }
+}