add unlock system for tools

Assets/Scripts/Management/PlayerManager.cs

@@ -1,3 +1,5 @@
+using System;
+using System.Collections.Generic;
 using UnityEngine;
 using UnityEngine.SceneManagement;
 
@@ -5,6 +7,27 @@
 public class PlayerManager : MonoBehaviour
 {
     public int CurrentToolIndex;
+    private SerializableDictionary<ToolEnum, bool> unlockedToolDict = null;
+
+    public bool IsToolUnlocked(ToolEnum tool)
+    {
+        if (unlockedToolDict.TryGetValue(tool, out bool unlocked)) return unlocked;
+
+        // If no tool dict saved, init the default one (only None is unlocked)
+        unlockedToolDict = new SerializableDictionary<ToolEnum, bool>();
+
+        foreach (ToolEnum toolType in Enum.GetValues(typeof(ToolEnum)))
+        {
+            if (toolType == ToolEnum.None)
+                unlockedToolDict.Add(toolType, true);
+            else
+                unlockedToolDict.Add(toolType, false);
+        }
+
+        // Try again
+        if (unlockedToolDict.TryGetValue(tool, out bool unlockedRetry)) return unlockedRetry;
+        return false;
+    }
 
     #region Player Data Save/Load
     public void SavePlayerData(ref PlayerSaveData data)
@@ -12,6 +35,7 @@ public void SavePlayerData(ref PlayerSaveData data)
         data.activeToolIndex = GameManager.Instance.PlayerManager.CurrentToolIndex;
         data.dougPosition = GameManager.Instance.PlayerController.transform.position;
         data.currentScene = SceneManager.GetActiveScene().name;
+        data.unlockedToolDict = unlockedToolDict;
     }
 
     public void LoadPlayerData(PlayerSaveData data)
@@ -25,6 +49,24 @@ public void LoadPlayerData(PlayerSaveData data)
             GameManager.Instance.PlayerManager.CurrentToolIndex = data.activeToolIndex;
             GameManager.Instance.PlayerController.transform.position = data.dougPosition;
         }
+
+        if (data.unlockedToolDict != null)
+        {
+            unlockedToolDict = data.unlockedToolDict;
+        }
+        else
+        {
+            // If no tool dict saved, init the default one (only None is unlocked)
+            unlockedToolDict = new SerializableDictionary<ToolEnum, bool>();
+
+            foreach (ToolEnum toolType in Enum.GetValues(typeof(ToolEnum)))
+            {
+                if (toolType == ToolEnum.None)
+                    unlockedToolDict.Add(toolType, true);
+                else
+                    unlockedToolDict.Add(toolType, false);   
+            }
+        }
     }
     #endregion
 }
@@ -35,4 +77,5 @@ public struct PlayerSaveData
     public int activeToolIndex;
     public Vector3 dougPosition;
     public string currentScene;
+    public SerializableDictionary<ToolEnum, bool> unlockedToolDict;
 }