Add utils + refacto

Assets/Unheimlich_POC/Scripts/Managers/DialogueFocusSystem.cs

@@ -4,6 +4,7 @@ using Unheimlich.Gameplay.Player;
 using Unheimlich.Interactions.Dialogues;
 using Unheimlich.Interactions.FloatingWords;
 using Unheimlich.Data.Dialogues;
+using Unheimlich.Utility;
 
 namespace Unheimlich.Managers
 {
@@ -32,8 +33,6 @@ namespace Unheimlich.Managers
     private readonly float _focusRetentionTime;
     private readonly float _fallbackShakeIntensity;
 
-    private static readonly Vector3 ViewportCenter = new Vector3(0.5f, 0.5f, 0f);
-
     public event Action<DialogueChoiceData> OnChoiceMade;
 
     public DialogueFocusSystem(
@@ -96,16 +95,13 @@ namespace Unheimlich.Managers
         if (_mainCamera == null)
             return;
 
-        Ray ray = _mainCamera.ViewportPointToRay(ViewportCenter);
-
-        ChoiceFocusHandler hitHandler = null; 
-        bool raycastHitChoice = Physics.Raycast(ray, out RaycastHit hit, _focusRange, _choiceLayer);
-
-        if (raycastHitChoice)
+        ChoiceFocusHandler hitHandler = null;
+        
+        if (RaycastHelper.RaycastFromCameraCenter(_mainCamera, _focusRange, _choiceLayer, out RaycastHit hit))
         {
             hitHandler = hit.collider.GetComponent<ChoiceFocusHandler>();
             
-            if (_playerLook != null)
+            if (_playerLook != null && hitHandler != null)
                 _playerLook.ApplyAimAssist(hit.collider.bounds.center);      
         }
         

Assets/Unheimlich_POC/Scripts/Managers/DialogueManager.cs

@@ -1,5 +1,6 @@
 using UnityEngine;
 using System;
+using Unheimlich.Core;
 using Unheimlich.Data.Dialogues;
 using Unheimlich.Gameplay.Player;
 using Unheimlich.UI;
@@ -8,9 +9,8 @@ using System.Collections.Generic;
 
 namespace Unheimlich.Managers
 {
-    public class DialogueManager : MonoBehaviour
-{
-    public static DialogueManager Instance { get; private set; }
+    public class DialogueManager : Singleton<DialogueManager>
+    {
     
     [Header("State")]
     public bool IsInDialogue = false;
@@ -51,14 +51,8 @@ namespace Unheimlich.Managers
     private float _autoCloseTimer = 0f;
     private bool _isWaitingForAutoClose = false;
 
-    private void Awake()
+    protected override void OnAwake()
     {
-        if (Instance != null && Instance != this)
-        {
-            Destroy(this);
-            return;
-        }
-        Instance = this;
     }
 
     private void Start()

Assets/Unheimlich_POC/Scripts/Managers/PlayerInputManager.cs

@@ -1,5 +1,6 @@
 using UnityEngine;
 using UnityEngine.InputSystem;
+using Unheimlich.Core;
 using Unheimlich.Gameplay.Player;
 
 namespace Unheimlich.Managers
@@ -10,7 +11,7 @@ namespace Unheimlich.Managers
     /// Supports different input contexts (Normal, Dialogue, Listening) to control which inputs are active.
     /// </summary>
     [RequireComponent(typeof(PlayerInput))]
-    public class PlayerInputManager : MonoBehaviour
+    public class PlayerInputManager : Singleton<PlayerInputManager>
     {
         /// <summary>
         /// Defines different input contexts that control which player actions are enabled.
@@ -22,8 +23,6 @@ namespace Unheimlich.Managers
             Listening    // Only look enabled, movement disabled (for diapason camera pan)
         }
 
-        public static PlayerInputManager Instance { get; private set; }
-
     [Header("Input Values (Read only)")]
     public Vector2 MoveInput; 
     public Vector2 LookInput; 
@@ -44,15 +43,8 @@ namespace Unheimlich.Managers
     private PlayerLook _playerLook;
     private CameraHeadBob _headBob;
 
-    private void Awake()
+    protected override void OnAwake()
     {
-        if (Instance != null && Instance != this)
-        {
-            Destroy(this);
-            return;
-        }
-        Instance = this;
-
         IsInputEnabled = true;
         
         PlayerInput playerInput = GetComponent<PlayerInput>();

Assets/Unheimlich_POC/Scripts/Managers/PortalRoomManager.cs

@@ -1,5 +1,6 @@
 using System.Collections.Generic;
 using UnityEngine;
+using Unheimlich.Core;
 using Unheimlich.Gameplay.Portals;
 
 namespace Unheimlich.Managers
@@ -9,9 +10,8 @@ namespace Unheimlich.Managers
     /// Monitors player distance to portals and loads/unloads room instances accordingly.
     /// Supports room pooling (keeping inactive rooms in memory) and distance-based activation.
     /// </summary>
-    public class PortalRoomManager : MonoBehaviour
+    public class PortalRoomManager : Singleton<PortalRoomManager>
     {
-        public static PortalRoomManager Instance { get; private set; }
         
         [Header("Settings")]
         [SerializeField] private float _loadDistance = 15f;
@@ -44,16 +44,6 @@ namespace Unheimlich.Managers
             public bool BoundsCalculated = false;
         }
 
-        private void Awake()
-        {
-            if (Instance != null && Instance != this)
-            {
-                Destroy(this);
-                return;
-            }
-            Instance = this;
-        }
-
         private void Start()
         {
             _player = GameObject.FindGameObjectWithTag("Player")?.transform;