init

Assets/Scripts/XED/UI/Panel/Panel_Tooltip.cs

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+using System.Reflection;
+using System.Xml;
+using TMPro;
+using UnityEngine;
+using UnityEngine.EventSystems;
+using UnityEngine.UI;
+using UnityEngine.UI.Extensions;
+using WI.UI;
+
+namespace XED.UI
+{
+    public class Panel_Tooltip : PanelBase
+    {
+        RectTransform image_bg;
+        TextMeshProUGUI text_tooltip;
+
+        public Vector2 padding = new Vector2(20f, 10f);
+
+        public override void AfterAwake()
+        {
+            transform.SetAsLastSibling();
+        }
+
+        public void ActivateTooltip(RaycastResult hit)
+        {
+            if (hit.gameObject.GetComponent<UI_TooltipOwner>() == null)
+                return;
+
+            text_tooltip.text = GetTooltip(hit);
+
+            UpdateBackgroundSize();
+            MoveToMousePos();
+
+            gameObject.SetActive(true);
+        }
+
+        string GetTooltip(RaycastResult hit)
+        {
+            string tooltipText = "None";
+
+            var propertyViewerInfo = hit.gameObject.GetComponent<UI_PropertyViewerInfo>();
+
+            if (propertyViewerInfo != null) 
+            {
+                var tooltipAttr = propertyViewerInfo.fieldInfo.GetCustomAttribute<TooltipAttribute>();
+
+                if (tooltipAttr != null) 
+                {
+                    tooltipText = tooltipAttr.tooltip;
+                }  
+            }
+            else
+            {
+                UI_TooltipOwner tooltipOwner = hit.gameObject.GetComponent<UI_TooltipOwner>();
+                tooltipText = tooltipOwner.tooltipText;
+            }
+            return tooltipText;
+        }
+
+        public void DeactivateTooltip()
+        {
+            gameObject.SetActive(false);
+        }
+
+        void UpdateBackgroundSize()
+        {
+            float textWidth = text_tooltip.preferredWidth;
+            float textHeight = text_tooltip.preferredHeight;
+            image_bg.sizeDelta = new Vector2(textWidth + padding.x, textHeight + padding.y);
+        }
+
+        void MoveToMousePos()
+        {
+            Vector2 mousePos = Input.mousePosition;
+
+            float bgSizeX = image_bg.sizeDelta.x / 2;
+            float bgSizeY = image_bg.sizeDelta.y / 2;
+
+            float movePosX = mousePos.x + bgSizeX;
+            float movePosY = mousePos.y - bgSizeY;
+
+            if (mousePos.x + image_bg.sizeDelta.x > Screen.width) 
+            {
+                movePosX = mousePos.x - bgSizeX;
+            }
+            if (mousePos.y - image_bg.sizeDelta.y < 0)
+            {
+                movePosY = mousePos.y + bgSizeY;
+            }
+
+            Vector2 movePos = new Vector2(movePosX, movePosY);
+
+            image_bg.transform.position = movePos;
+            text_tooltip.transform.position = movePos;
+        }
+    }
+}