ported from perforce

RobotAndDonkey.Game/Intents/NextPhase.cs

@@ -0,0 +1,32 @@
+using RobotAndDonkey.Game.Execution;
+using RobotAndDonkey.Game.Execution.Results;
+using RobotAndDonkey.Game.GameState;
+
+namespace RobotAndDonkey.Game.Intents;
+
+public class NextPhase(ERunPhase phase) : Intent()
+{
+    public override void Run(Guid requestId, CoreLoop coreLoop, List<Intent> newIntents, List<Result> results)
+    {
+        coreLoop.RunPhase = Phase;
+        results.Add(new RunPhaseResult(requestId, coreLoop.RunPhase));
+        base.Run(requestId, coreLoop, newIntents, results);
+    }
+
+    public override bool IsValid(CoreLoop coreLoop)
+    {
+        if (!base.IsValid(coreLoop))
+            return false;
+
+        if (coreLoop.RunPhase == Phase)
+            return false;
+
+        return true;
+    }
+
+    public override bool Immune => true;
+
+    public ERunPhase Phase { get; } = phase;
+
+    public override string ToString() => $"Next phase: {Phase}, " + base.ToString();
+}