ported from perforce

RobotAndDonkey.Game/Intents/DonkeyIntent.cs

@@ -0,0 +1,37 @@
+using System;
+using System.Collections.Generic;
+using RobotAndDonkey.Game.Board;
+using RobotAndDonkey.Game.Cards;
+using RobotAndDonkey.Game.Data;
+using RobotAndDonkey.Game.Execution.Results;
+using RobotAndDonkey.Game.GameState;
+using RobotAndDonkey.Game.Pois;
+
+namespace RobotAndDonkey.Game.Intents;
+
+public class DonkeyIntent(Card card, Cell donkeyCell, int energyCost) : Intent(energyCost)
+{
+    public override void Run(Guid requestId, CoreLoop coreLoop, List<Intent> newIntents, List<Result> results)
+    {
+        if (coreLoop.HasDonkey && donkeyCell.Poi == null)
+        {
+            coreLoop.HasDonkey = false;
+            donkeyCell.Poi = new Donkey();
+            results.Add(new PoiResult(requestId, new(coreLoop.Board), donkeyCell.Poi, donkeyCell.Hex));
+            newIntents.Add(new ModifyCurrency(new(0, -Balancing.Instance.DonkeyMaxCarryBonus, 0, 0, 0, 0)));
+        }
+        else if (!coreLoop.HasDonkey && donkeyCell.Poi is Donkey donkey)
+        {
+            coreLoop.HasDonkey = true;
+            donkeyCell.Poi = null;
+            results.Add(new PoiResult(requestId, new(coreLoop.Board), donkey, donkeyCell.Hex));
+            newIntents.Add(new ModifyCurrency(new(0, Balancing.Instance.DonkeyMaxCarryBonus, 0, 0, 0, 0)));
+        }
+        else
+        {
+            results.Add(new InvalidInstructionResult(requestId, EInvalidReason.NoTarget, card, donkeyCell));
+        }
+    }
+
+    public override string ToString() => "Donkey, " + base.ToString();
+}