Implemented starting blackd dice ability.

PuzzleGameProject/Assets/Scripts/Abilities/StartingBlackDieAbility.cs

@@ -0,0 +1,75 @@
+using System;
+using TMPro;
+using UnityEngine;
+using UnityEngine.UI;
+
+namespace Abilities
+{
+    public class StartingBlackDieAbility : MonoBehaviour
+    {
+        public static event Action AbilitySelected;
+        
+        [SerializeField] protected GameObject abilityUseOne;
+        [SerializeField] protected GameObject abilityUseTwo;
+        [SerializeField] protected GameObject abilityUseThree;
+        private int _uses = 3;
+        
+        private GameObject[] _usesUsed;
+        private bool _canClick;
+
+        protected virtual void OnEnable() {
+            GameManager.StateChanged += HandleStateChanged;
+        }
+
+        protected virtual void OnDisable() {
+            GameManager.StateChanged -= HandleStateChanged;
+        }
+
+        private void Start() {
+            _usesUsed = new GameObject[_uses];
+            abilityUseOne.GetComponent<Button>().onClick.AddListener(() => UseClicked(abilityUseOne));
+            abilityUseTwo.GetComponent<Button>().onClick.AddListener(() => UseClicked(abilityUseTwo));
+            abilityUseThree.GetComponent<Button>().onClick.AddListener(() => UseClicked(abilityUseThree));
+        }
+
+        private void UseClicked(GameObject abilityUseObject) {
+            if (!_canClick) return;
+
+            if (_uses > 0)
+            {
+                _usesUsed[_uses - 1] = abilityUseObject;
+                MarkUseUsed(abilityUseObject);
+                AbilitySelected?.Invoke();
+                _uses -= 1;
+            }
+
+            _canClick = false;
+        }
+
+        private void MarkUseUsed(GameObject useObject) {
+            useObject.GetComponentInChildren<TextMeshProUGUI>().text = "X";
+        }
+
+        private void UnmarkUseUsed(GameObject useObject) {
+            useObject.GetComponentInChildren<TextMeshProUGUI>().text = string.Empty;
+        }
+
+        public void AbilitySelectedButNotUsed() {
+            UnmarkUseUsed(_usesUsed[_uses - 1]);
+            _uses += 1;
+        }
+
+        private void HandleStateChanged(GameState state) {
+            switch (state)
+            {
+                case GameState.PickDiceOne:
+                case GameState.PickDiceTwo:
+                    _canClick = true;
+                    break;
+                default:
+                    _canClick = false;
+                    break;
+            }
+        }
+    }
+}