ported from perforce

RobotAndDonkey.Game/Cards/Glitches/Rain.cs

@@ -0,0 +1,34 @@
+using System;
+using System.Collections.Generic;
+using RobotAndDonkey.Game.Board;
+using RobotAndDonkey.Game.Data;
+using RobotAndDonkey.Game.Execution.Results;
+using RobotAndDonkey.Game.GameState;
+using RobotAndDonkey.Game.Intents;
+using RobotAndDonkey.Game.Modifiers;
+
+namespace RobotAndDonkey.Game.Cards.Glitches;
+
+public record Rain() : GlitchCard(ECard.Rain)
+{
+    public override void CreateIntents(Cell? avatarCell, CoreLoop coreLoop, Guid requestId, List<Intent> intents, List<Result> results)
+    {
+        var cells = coreLoop.Board.Cells;
+        foreach (var cell in cells)
+        {
+            if (cell.Type == ECellType.Rocky)
+            {
+                intents.Add(new ModifyCell(cell, EModifierId.Rain, EModifierDuration.Temporary));
+            }
+            else if (cell.Type == ECellType.Grass)
+            {
+                if (coreLoop.Random.NextSingle() < Balancing.Instance.RainTransformProbability)
+                    intents.Add(new ModifyCell(cell, EModifierId.Rain, EModifierDuration.Temporary));
+            }
+        }
+    }
+
+    public override string ToolTip => "Increases fertility throughout the map.";
+
+    public override Modifier[] TooltipModifiers => [new RainModifier(EModifierDuration.Temporary)];
+}