added some stuff

Assets/Scripts/LemonGenericLib/UI/Tabs/TabButtonScript.cs

@@ -0,0 +1,67 @@
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+using UnityEngine.UI;
+using UnityEngine.EventSystems;
+using UnityEngine.Events;
+
+namespace Lemon.GenericLib.UI
+{
+    public class TabButtonScript : MonoBehaviour, IPointerEnterHandler, IPointerClickHandler, IPointerExitHandler
+    {
+
+        [SerializeField] TabGroup tabGroup;
+
+
+        [SerializeField] private UnityEvent onTabEnter;
+        [SerializeField] private UnityEvent onTabExit;
+        [SerializeField] private UnityEvent onTabSelected;
+        [SerializeField] private UnityEvent onTabDeselected;
+
+
+
+
+        public void OnPointerClick(PointerEventData eventData)
+        {
+            tabGroup.OnTabSelected(this);
+        }
+
+        public void OnPointerEnter(PointerEventData eventData)
+        {
+            tabGroup.OnTabEnter(this);
+        }
+
+        public void OnPointerExit(PointerEventData eventData)
+        {
+            tabGroup.OnTabExit(this);
+        }
+
+
+        public void OnEnter()
+        {
+            onTabEnter?.Invoke();
+
+        }
+
+        public void OnExit()
+        {
+            onTabExit?.Invoke();
+
+        }
+
+        public void OnSelected()
+        {
+            onTabSelected?.Invoke();
+
+        }
+
+        public void OnDeselected()
+        {
+            onTabDeselected?.Invoke();
+
+        }
+
+
+
+    }
+}

Assets/Scripts/LemonGenericLib/UI/Tabs/TabButtonScript.cs.meta

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+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/Scripts/LemonGenericLib/UI/Tabs/TabGroup.cs

@@ -0,0 +1,123 @@
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+using System;
+
+//TODO: make this system supprts tabs without using tab buttons
+// or redo the entire thing
+// yeah we need to redo the whole thing
+// for now make your own page system
+
+namespace Lemon.GenericLib.UI
+{
+    public class TabGroup : MonoBehaviour
+    {
+        [SerializeField] private List<TabSet> tabSets;
+        [SerializeField] private int defaultTabIndex;
+
+
+        private TabButtonScript selectedButton;
+
+        [Serializable]
+        struct TabSet
+        {
+            public TabButtonScript tabButton;
+            public GameObject tabObject;
+
+            public TabSet(TabButtonScript tabButton, GameObject tabObject)
+            {
+                this.tabButton = tabButton;
+                this.tabObject = tabObject;
+            }
+
+            public override bool Equals(object obj)
+            {
+                return base.Equals(obj);
+            }
+        }
+
+        private void Start()
+        {
+            if (tabSets == null || defaultTabIndex < 0 || defaultTabIndex > tabSets.Count)
+            {
+                Debug.LogError("default tab cannot be asisgned, pleace chect the default tab index and make sure the tab list is initialized");
+            }
+            else
+            {
+                OnTabSelected(tabSets[defaultTabIndex].tabButton);
+
+
+            }
+        }
+
+        public void Subscribe(TabButtonScript button, GameObject tabObject)
+        {
+            if (tabSets == null)
+            {
+                tabSets = new List<TabSet>();
+            }
+            tabSets.Add(new TabSet(button, tabObject));
+        }
+
+        public void OnTabEnter(TabButtonScript button)
+        {
+            ResetTabs();
+            if (selectedButton == null || button != selectedButton)
+            {
+                button.OnEnter();
+            }
+
+        }
+
+        public void OnTabExit(TabButtonScript button)
+        {
+            ResetTabs();
+
+        }
+
+        public void OnTabSelected(TabButtonScript button)
+        {
+            if (selectedButton != null)
+            {
+                selectedButton.OnDeselected();
+            }
+
+
+            selectedButton = button;
+            button.OnSelected();
+
+            UpdateSelectedTab();
+            ResetTabs();
+
+
+        }
+
+
+        public void ResetTabs()
+        {
+            foreach (var item in tabSets)
+            {
+                if (selectedButton != null && item.tabButton == selectedButton) { continue; }
+                item.tabButton.OnExit();
+            }
+        }
+
+        //can overwite this
+        public void UpdateSelectedTab()
+        {
+            foreach (var tab in tabSets)
+            {
+                if (tab.tabButton == selectedButton)
+                {
+                    tab.tabObject.SetActive(true);
+                    tab.tabObject.transform.SetSiblingIndex(tabSets.Count - 1);
+                }
+                else
+                {
+                    tab.tabObject.SetActive(false);
+                    tab.tabObject.transform.SetSiblingIndex(0);
+                }
+            }
+        }
+    }
+}

Assets/Scripts/LemonGenericLib/UI/Tabs/TabGroup.cs.meta

@@ -0,0 +1,11 @@
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