From 3be06cac21a68595263e73bd30123525b4f52a19 Mon Sep 17 00:00:00 2001
From: ALEXTANG <574809918@qq.com>
Date: Thu, 11 May 2023 19:52:53 +0800
Subject: [PATCH] [+] UIExtension UIButtonScale

[+] UIExtension UIButtonScale
---
 .../UGUIExtension/MonoExtend/UIButtonScale.cs | 137 ++++++++++++++++++
 .../MonoExtend/UIButtonScale.cs.meta          |   3 +
 2 files changed, 140 insertions(+)
 create mode 100644 Assets/TEngine/Runtime/Extension/UGUIExtension/MonoExtend/UIButtonScale.cs
 create mode 100644 Assets/TEngine/Runtime/Extension/UGUIExtension/MonoExtend/UIButtonScale.cs.meta

diff --git a/Assets/TEngine/Runtime/Extension/UGUIExtension/MonoExtend/UIButtonScale.cs b/Assets/TEngine/Runtime/Extension/UGUIExtension/MonoExtend/UIButtonScale.cs
new file mode 100644
index 00000000..9126e7d3
--- /dev/null
+++ b/Assets/TEngine/Runtime/Extension/UGUIExtension/MonoExtend/UIButtonScale.cs
@@ -0,0 +1,137 @@
+using DG.Tweening;
+using UnityEngine;
+using UnityEngine.EventSystems;
+
+[DisallowMultipleComponent]
+public class UIButtonScale : MonoBehaviour,
+    IPointerUpHandler, 
+    IPointerDownHandler, 
+    IPointerEnterHandler,
+    IPointerExitHandler
+{
+    public GameObject tweenTarget;
+    public Vector3 pressedScale = new Vector3(0.95f, 0.95f, 0.95f);
+    public float duration = 0.1f;
+
+    //是否移除当前gameObject身上所有的LeanTween。一般如果当前gameObject身上还有其他的Tween,例如Tween.Move,不建议移除所有的Tween
+    public bool needRemoveAllTween = true; 
+
+    private Vector3 _cacheScale;
+    private Tweener _tweener;
+    private bool _started = false;
+    private bool _pressed = false;
+    
+    void Start()
+    {
+        Init();
+    }
+
+    void Init()
+    {
+        if (!_started)
+        {
+            _started = true;
+            if (tweenTarget == null) tweenTarget = gameObject;
+            _cacheScale = tweenTarget.transform.localScale;
+        }
+    }
+
+    public void OnDestroy()
+    {
+        if (_tweener != null)
+        {
+            DOTween.Kill(_tweener.id);
+        }
+        tweenTarget.transform.localScale = _cacheScale;
+    }
+
+    void OnEnable()
+    {
+        if (_started)
+        {
+            _pressed = false;
+            tweenTarget.transform.localScale = _cacheScale;
+        }
+    }
+
+    void OnDisable()
+    {
+        if (_started)
+        {
+            if (tweenTarget != null)
+            {
+                if (needRemoveAllTween == false && _tweener != null)
+                {
+                    DOTween.Kill(_tweener.id);
+                }
+                tweenTarget.transform.localScale = _cacheScale;
+            }
+        }
+    }
+
+    void OnPress(bool isPressed)
+    {
+        if (!_started)
+        {
+            Init();
+        }
+
+        if (enabled)
+        {
+            if (needRemoveAllTween == false)
+            {
+                if (_tweener != null)
+                {
+                    DOTween.Kill(_tweener.id);
+                }
+            }
+            if (isPressed)
+            {
+                Vector3 destScale = new Vector3(pressedScale.x * _cacheScale.x, pressedScale.y * _cacheScale.y, pressedScale.z * _cacheScale.z);
+                
+                _tweener = tweenTarget.transform.DOScale(destScale, duration);
+                _tweener.SetUpdate(true);
+            }
+            else
+            {
+                _tweener = tweenTarget.transform.DOScale(_cacheScale, duration);
+                _tweener.SetUpdate(true);
+            }
+        }
+    }
+
+    public void OnPointerUp(PointerEventData eventData)
+    {
+        _pressed = false;
+        OnPress(_pressed);
+    }
+
+    public void OnPointerDown(PointerEventData eventData)
+    {
+        _pressed = true;
+        OnPress(_pressed);
+    }
+
+    public void OnPointerEnter(PointerEventData eventData)
+    {
+        OnPress(_pressed);
+    }
+
+    public void OnPointerExit(PointerEventData eventData)
+    {
+        OnPress(false);
+    }
+
+    public void SetDefaultScale(Vector3 scale)
+    {
+        if (!_started)
+        {
+            Init();
+        }
+        _cacheScale = scale;
+        if (needRemoveAllTween == false && _tweener != null)
+        {
+            DOTween.Kill(_tweener.id);
+        }
+    }
+}
diff --git a/Assets/TEngine/Runtime/Extension/UGUIExtension/MonoExtend/UIButtonScale.cs.meta b/Assets/TEngine/Runtime/Extension/UGUIExtension/MonoExtend/UIButtonScale.cs.meta
new file mode 100644
index 00000000..092fb0a7
--- /dev/null
+++ b/Assets/TEngine/Runtime/Extension/UGUIExtension/MonoExtend/UIButtonScale.cs.meta
@@ -0,0 +1,3 @@
+fileFormatVersion: 2
+guid: 95e66cfdf24a4c9d949625a7b449f54a
+timeCreated: 1683804898
\ No newline at end of file