Implemented the functionality for monster rooms.

PuzzleGameProject/Assets/Scripts/Rooms/EmptyRoom.cs

@@ -0,0 +1,50 @@
+using TMPro;
+using UnityEngine;
+
+public class EmptyRoom : Room
+{
+    [SerializeField] private GameObject numberTextObject;
+    [SerializeField] private int number;
+
+    protected override void InitializeRoom() {
+        base.InitializeRoom();
+        TextMeshProUGUI numberText = numberTextObject.GetComponent<TextMeshProUGUI>();
+        if (keyType == KeyType.Number)
+        {
+            numberText.SetText(number.ToString());
+        }
+        else if (keyType == KeyType.MatchingDice)
+        {
+            numberText.SetText("=");
+        }
+    }
+
+    public override bool TryUnlock(DicePair pair)
+    {
+        switch (keyType)
+        {
+            case KeyType.Number:
+                if (number == pair.Sum())
+                {
+                    return true;
+                }
+                return false;
+            case KeyType.MatchingDice:
+                if (pair.DoResultsMatch())
+                {
+                    return true;
+                }
+
+                return false;
+        }
+
+        return false;
+    }
+
+    public override void SetRoomExplored() {
+        _isExplored = true;
+        UnhighlightRoomAsOption();
+        gameObject.GetComponent<SpriteRenderer>().color =
+            ColorHelper.AddColorTint(gameObject.GetComponent<SpriteRenderer>().color, Color.grey, 0.5f);
+    }
+}