From 2683c04adcaff44f9504248d2c983cd86bd4b3ad Mon Sep 17 00:00:00 2001
From: chai <chaifix@163.com>
Date: Mon, 31 May 2021 09:43:09 +0800
Subject: *tween

---
 .../Scripts/Animation/Tween/TweenAnimation.cs      | 75 ++++++++++++++++++++--
 1 file changed, 70 insertions(+), 5 deletions(-)

(limited to 'Assets/UI_Extension/Scripts/Animation/Tween/TweenAnimation.cs')

diff --git a/Assets/UI_Extension/Scripts/Animation/Tween/TweenAnimation.cs b/Assets/UI_Extension/Scripts/Animation/Tween/TweenAnimation.cs
index 6441552..79f31c6 100644
--- a/Assets/UI_Extension/Scripts/Animation/Tween/TweenAnimation.cs
+++ b/Assets/UI_Extension/Scripts/Animation/Tween/TweenAnimation.cs
@@ -18,6 +18,8 @@ namespace TweenAnimation
         [NonSerialized]
         public bool unfold = false;
 #endif
+        [NonSerialized]
+        public bool trigged = false;
         public TweenEvent()
         {
             name = "New Event";
@@ -42,7 +44,7 @@ namespace TweenAnimation
             PingPong,
         }
 
-        public string description = "No Description";
+        public new string name = "New Animation";
 
         [SerializeReference]
         public List<TweenModule> modules;
@@ -67,6 +69,15 @@ namespace TweenAnimation
 
         public List<TweenEvent> eventList;
 
+        // 默认的事件回调函数
+        public UnityEvent onStart;
+        public UnityEvent onTurnStart;
+        public UnityEvent onTurnEnd;
+        public UnityEvent onEnd;
+
+        // 上次更新时的时间（一个turn内的）
+        private float m_LastPlaybackTurnTime;
+
         public TweenAnimation()
         {
             this.playbackStyle = PlaybackStyle.Loop;
@@ -74,6 +85,7 @@ namespace TweenAnimation
             this.duration = 1;
             this.modules = new List<TweenModule>();
             this.triggerOnce = false;
+            m_LastPlaybackTurnTime = -0.001f;
         }
 
         public void AddModule(TweenModule module)
@@ -105,8 +117,25 @@ namespace TweenAnimation
             eventList.Remove(e);
         }
 
+        public void BeforePlay()
+        {
+            m_LastPlaybackTurnTime = -0.001f;
+            ResetEventTriggerFlag();
+        }
+
+        private void ResetEventTriggerFlag()
+        {
+            for(int i = 0; i < eventList.Count; ++i)
+            {
+                var e = eventList[i];
+                if (e == null)
+                    continue;
+                e.trigged = false;
+            }
+        }
+
         /// <summary>
-        /// 根据时间执行tween
+        /// 根据时间执行tween, time是从播放开始的真实时间
         /// </summary>
         /// <param name="time">real time</param>
         public void Process(float time)
@@ -114,9 +143,44 @@ namespace TweenAnimation
             if (modules == null)
                 return;
 
-            time = ApplyLimit(time);
-            float logicTime = HandleTime(time);
+            float limitTime = ApplyLimit(time); // 转换为playback limit后的逻辑时间
+            float logicTime = HandleTime(limitTime); // 转换为1个turn内的逻辑时间
 
+            // 处理事件
+            if(triggerEvents)
+            {
+                if (limitTime >= 0 && m_LastPlaybackTurnTime < 0)
+                    onStart.Invoke();
+                bool isPingpong = playbackStyle == PlaybackStyle.PingPong;
+                for (int i = 0; i < eventList.Count; ++i)
+                {
+                    var e = eventList[i];
+                    if (e == null)
+                        continue;
+                    if (triggerOnce && e.trigged)
+                        continue;
+                    float t = e.time;
+                    bool bTrigger = false;
+                    bool isOdd = (((int)(limitTime / duration)) & 1) == 1;
+                    if (isPingpong && isOdd && (eventTriggeredDirection & EventTriggeredDirection.Backward) == 0)
+                        continue;
+                    if (isPingpong && !isOdd && (eventTriggeredDirection & EventTriggeredDirection.Forward) == 0)
+                        continue;
+                    if (isPingpong && isOdd)
+                        bTrigger = logicTime <= t && m_LastPlaybackTurnTime > t;
+                    else
+                        bTrigger = logicTime >= t && m_LastPlaybackTurnTime < t;
+                    if(bTrigger && e.eventHandler != null)
+                    {
+                        e.eventHandler.Invoke();
+                        if (triggerOnce)
+                            e.trigged = true;
+                    }
+                }
+                m_LastPlaybackTurnTime = logicTime;
+            }
+
+            // 更新动画
             for (int i = 0; i < modules.Count; i ++)
             {
                 TweenModule module = modules[i];
@@ -166,12 +230,13 @@ namespace TweenAnimation
             return logicTime;
         }
 
+        // 返回真实时间对应的逻辑时间
         public float ApplyLimit(float time)
         {
             if (playbackLimit <= 0)
                 return time;
             if (playbackStyle == PlaybackStyle.Loop)
-                time = Mathf.Clamp(time, 0, playbackLimit * duration);
+                time = Mathf.Clamp(time, 0, playbackLimit * duration - 0.001f); // 0.001是为了防止HandleTime的mod等于0
             else if(playbackStyle == PlaybackStyle.PingPong)
                 time = Mathf.Clamp(time, 0, playbackLimit * duration);
             return time;
-- 
cgit v1.1-26-g67d0