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Assets/_Project/Scripts/Code/InteractionLayer/Interactables/BaseInteractable.cs

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+using System.Collections;
+using System.Collections.Generic;
+using System.Linq;
+using System.Runtime.InteropServices;
+using NaughtyAttributes;
+using UnityEngine;
+using UnityEngine.Events;
+
+public class BaseInteractable : MonoBehaviour, IInteractable
+{
+    public UnityEvent onSelectEnterEvent;
+    public UnityEvent onSelectExitEvent;
+    public UnityEvent onHoverEnterEvent;
+    public UnityEvent onHoverExitEvent;
+
+    public virtual void onHoverEnter()
+    {
+        onHoverEnterEvent?.Invoke();
+    }
+    public virtual void onHoverExit()
+    {
+        onHoverExitEvent?.Invoke();
+    }
+
+    private void OnMouseEnter()
+    {
+        onHoverEnter();
+    }
+    private void OnMouseExit()
+    {
+        onHoverExit();
+    }
+
+    public virtual void onSelectEnter()
+    {
+        onSelectEnterEvent?.Invoke();
+    }
+    public virtual void onSelectExit()
+    {
+        onSelectExitEvent?.Invoke();
+    }
+
+    public virtual void highLightOn()
+    {
+        Outline outline = GetComponent<Outline>();
+        if (outline == null)
+        {
+            outline = gameObject.AddComponent<Outline>();
+            outline.OutlineMode = Outline.Mode.OutlineVisible;
+            outline.OutlineWidth = 7f;
+        }
+    }
+
+    public virtual void highLightOff()
+    {
+        if (TryGetComponent<Outline>(out Outline outline))
+        {
+            Destroy(outline);
+        }
+    }
+
+}

Assets/_Project/Scripts/Code/InteractionLayer/Interactables/BaseInteractable.cs.meta

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Assets/_Project/Scripts/Code/InteractionLayer/Interactables/GrabInteractable.cs

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+using UnityEngine;
+
+/// <summary>
+/// Data/configuration component placed on block prefabs.
+/// Stores per-prefab drag settings so GhostManager can read them at instantiation time.
+/// All drag, snap, and placement logic has moved to GhostManager.
+/// </summary>
+public class GrabInteractable : MonoBehaviour
+{
+    [Header("Attachment")]
+    [SerializeField] private Transform attachPoint;
+
+    [Header("Surface Alignment")]
+    public bool alignToSurfaceNormal = true;
+    public float alignmentSpeed = 15f;
+    public bool snapRotation = false;
+
+    [Header("Movement")]
+    public float followSpeed = 20f;
+    public float heightOffset = 0f;
+
+    [Header("Validation & Visuals")]
+    [SerializeField] private IValidator validator;
+    public Color validTint = new Color(0.5f, 1.0f, 0.5f, 1.0f);
+    public Color invalidTint = new Color(1.0f, 0.5f, 0.5f, 1.0f);
+
+    /// <summary>Returns the designated attach/pivot point, or this transform if none is set.</summary>
+    public Transform GetAttachPoint() => attachPoint;
+
+    /// <summary>Returns the PlacementValidator – checks the component on this GameObject as fallback.</summary>
+    public IValidator GetValidator() => validator != null ? validator : GetComponent<IValidator>();
+}

Assets/_Project/Scripts/Code/InteractionLayer/Interactables/GrabInteractable.cs.meta

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Assets/_Project/Scripts/Code/InteractionLayer/Interactables/HoveredUI.cs

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+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+using UnityEngine.EventSystems;
+using UnityEngine.UI;
+
+public class HoveredUI : MonoBehaviour, IPointerEnterHandler, IPointerExitHandler
+{
+    private GhostManagerV2 ghostManager;
+
+    private void Start()
+    {
+        ghostManager = GhostManagerV2.getInstance();
+    }
+
+    public void OnPointerEnter(PointerEventData eventData)
+    {
+        ghostManager.clearGhost();
+        ghostManager.setDrag(false);
+        if (!InputModeManager.Is(InputMode.UI))
+            InputModeManager.Push(InputMode.UI);
+    }
+
+    public void OnPointerExit(PointerEventData eventData)
+    {
+        ghostManager.setupBlock();
+        ghostManager.setDrag(true);
+        InputModeManager.Pop(InputMode.UI);
+    }
+
+}

Assets/_Project/Scripts/Code/InteractionLayer/Interactables/HoveredUI.cs.meta

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Assets/_Project/Scripts/Code/InteractionLayer/Interactables/IInteractable.cs

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+using UnityEngine;
+
+public interface IInteractable
+{
+    Transform transform { get; }
+    void onSelectEnter();
+    void onSelectExit();
+    void onHoverEnter();
+    void onHoverExit();
+    void highLightOn();
+    void highLightOff();
+
+}

Assets/_Project/Scripts/Code/InteractionLayer/Interactables/IInteractable.cs.meta

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Assets/_Project/Scripts/Code/InteractionLayer/Interactables/UIInteractable.cs

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+using UnityEngine;
+using UnityEngine.EventSystems;
+using UnityEngine.UI;
+using UnityEngine.UIElements;
+
+public class UIInteractable : BaseInteractable, IPointerDownHandler
+{
+    private UIManager uIManager;
+    [SerializeField] private BlockData blockData;
+    // private Button uIButton;
+    private bool isSelected = false;
+    private Color originalColor;
+
+    private void Start()
+    {
+        uIManager = UIManager.getInstance();
+        // uIButton = GetComponent<Button>();
+        // originalColor = uIButton.image.color;
+
+        // Set icon from BlockData if available
+        // if (blockData != null && blockData.icon != null)
+        // {
+        //     uIButton.image.sprite = Sprite.Create(
+        //         blockData.icon,
+        //         new Rect(0, 0, blockData.icon.width, blockData.icon.height),
+        //         new Vector2(0.5f, 0.5f));
+        // }
+
+        // if (uIButton != null)
+        //     uIButton.onClick.AddListener(onSelectEnter);
+    }
+
+
+
+    public override void onSelectEnter()
+    {
+        if (!isSelected)
+        {
+            isSelected = true;
+            uIManager.selectUIInteractable(this);
+            // uIButton.image.color = Color.green;
+        }
+        base.onSelectEnter();
+    }
+
+    public override void onSelectExit()
+    {
+        isSelected = false;
+        // uIButton.image.color = originalColor;
+        base.onSelectExit();
+    }
+
+    internal BlockData getAssociatedBlockData() => blockData;
+
+    public void setBlockData(BlockData blockData)
+    {
+        this.blockData = blockData;
+    }
+    // public Button getButton() => uIButton;
+
+    public void OnPointerDown(PointerEventData eventData)
+    {
+        onSelectEnter();
+    }
+}

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