init: version 1

Assets/Prefabs/UI/Scripts/MapIndicatorController.cs

@@ -0,0 +1,42 @@
+using UnityEngine;
+using UnityEngine.UI;
+
+/// <summary>
+/// MapIndicatorController updates the UI to show the current map.
+/// </summary>
+[RequireComponent(typeof(Image))]
+public class MapIndicatorController : MonoBehaviour
+{
+    [Header("Configuration")] 
+    public Color[] colors =
+    {
+        new(34f / 255, 139f / 255, 230f / 255),
+        new(250f / 255, 82f / 255, 82f / 255),
+        new(64f / 255, 192f / 255, 87f / 255)
+    };
+
+    private Image _image;
+
+    private void Start()
+    {
+        _image = GetComponent<Image>();
+        _image.color = colors[GameManager.Instance.currentMapIdx];
+    }
+    
+    private void OnEnable()
+    {
+        GameManager manager = GameManager.Instance;
+        manager.onMapSwitch.AddListener(OnMapSwitch);
+    }
+
+    private void OnDisable()
+    {
+        GameManager manager = GameManager.Instance;
+        manager.onMapSwitch.RemoveListener(OnMapSwitch);
+    }
+    
+    private void OnMapSwitch(int idx, Vector3 o)
+    {
+        _image.color = colors[idx];
+    }
+}