ported from perforce

RobotAndDonkey.Game/Intents/EnterBufferOverflow.cs

@@ -0,0 +1,33 @@
+using RobotAndDonkey.Game.Cards;
+using RobotAndDonkey.Game.Execution;
+using RobotAndDonkey.Game.Execution.Results;
+using RobotAndDonkey.Game.GameState;
+using System;
+using System.Collections.Generic;
+using System.Numerics;
+
+namespace RobotAndDonkey.Game.Intents;
+
+public class EnterBufferOverflow(int energyCost) : Intent(energyCost)
+{
+    public override void Run(Guid requestId, CoreLoop coreLoop, List<Intent> newIntents, List<Result> results)
+    {
+        coreLoop.CanBufferOverflow = false;
+        coreLoop.RunPhase = ERunPhase.BufferOverflow;
+        results.Add(new NoMoreBufferOverflowResult(requestId));
+        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;
+
+        return coreLoop is { CanBufferOverflow: true, RunPhase: ERunPhase.Improve };
+    }
+
+    public override bool Immune => true;
+
+    public override string ToString() => "Enter buffer overflow, " + base.ToString();
+}