Working on quests, moved to CineMachine for camera and started to build out areas, started combat system

Assets/Scripts/Managers/SelectionManager.cs

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+using UnityEngine;
+using TMPro;
+
+public class SelectionManager : MonoBehaviour
+{
+    public static SelectionManager Instance { get; private set; }
+
+    [Header("Nameplate")]
+    public Canvas worldSpaceCanvas;                 // a World Space Canvas in scene
+    public GameObject nameplatePrefab;              // prefab containing TextMeshProUGUI
+    public Vector3 nameplateOffset = new Vector3(0, 2.2f, 0);
+
+    [Header("Colors")]
+    public Color friendlyColor = Color.green;
+    public Color neutralColor = Color.cyan;
+    public Color enemyColor = Color.red;
+
+    Selectable current;
+    GameObject activeNameplate;
+    NameplateController nameplateController;
+
+    void Awake()
+    {
+        if (Instance != null && Instance != this)
+        {
+            Debug.LogWarning("Multiple SelectionManager instances detected. Destroying duplicate.", gameObject);
+            Destroy(gameObject);
+            return;
+        }
+        Instance = this;
+    }
+
+    void OnDestroy()
+    {
+        if (Instance == this) Instance = null;
+    }
+
+    public void Select(Selectable s)
+    {
+        if (s == null)
+        {
+            ClearSelection();
+            return;
+        }
+
+        if (current == s) return;
+
+        ClearSelection();
+
+        current = s;
+        current.OnSelected();
+
+        CreateNameplate(s.displayName, GetColorForAttitude(s.attitude));
+    }
+
+    public void Select(Building b)
+    {
+        if (b == null)
+        {
+            ClearSelection();
+            return;
+        }
+
+        ClearSelection();
+        b.OnSelected();
+
+        CreateNameplate(b.displayName, GetColorForAttitude(b.attitude));
+    }
+
+    void CreateNameplate(string displayName, Color color)
+    {
+        if (nameplatePrefab == null || worldSpaceCanvas == null) return;
+
+        activeNameplate = Instantiate(nameplatePrefab, worldSpaceCanvas.transform, false);
+        nameplateController = activeNameplate.GetComponent<NameplateController>();
+        
+        if (nameplateController == null)
+        {
+            Debug.LogError("NameplateController not found on nameplate prefab!", nameplatePrefab);
+            DestroyNameplate();
+            return;
+        }
+
+        if (current != null)
+        {
+            nameplateController.Initialize(current, color, nameplateOffset);
+        }
+        else
+        {
+            // For buildings, we'll update in LateUpdate with the last known target
+            nameplateController.SetDisplayName(displayName);
+            nameplateController.ApplyColor(color);
+        }
+    }
+
+    public void ClearSelection()
+    {
+        if (current != null)
+        {
+            current.OnDeselected();
+            current = null;
+        }
+
+        DestroyNameplate();
+    }
+
+    void DestroyNameplate()
+    {
+        if (activeNameplate != null) Destroy(activeNameplate);
+        activeNameplate = null;
+        nameplateController = null;
+    }
+
+    Color GetColorForAttitude(Attitude a)
+    {
+        return a switch
+        {
+            Attitude.Friendly => friendlyColor,
+            Attitude.Neutral => neutralColor,
+            Attitude.Enemy => enemyColor,
+            _ => neutralColor
+        };
+    }
+
+    void LateUpdate()
+    {
+        // Update nameplate position if it exists and has a target
+        if (nameplateController != null && current != null)
+        {
+            nameplateController.FollowTarget(current.transform, nameplateOffset);
+        }
+
+        // Clean up orphaned nameplates if current object was destroyed
+        if (current == null && activeNameplate != null)
+        {
+            DestroyNameplate();
+        }
+    }
+}