基础内容

必要插件安装
缓动曲线和动画基础
ElementFolder，Track与其次级模块，PathNode重构

Assets/Modern UI Pack/Scripts/Input Field/CustomInputField.cs

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+using System.Collections;
+using UnityEngine;
+using UnityEngine.Events;
+using UnityEngine.EventSystems;
+using TMPro;
+#if !ENABLE_LEGACY_INPUT_MANAGER
+using UnityEngine.InputSystem;
+#endif
+
+namespace Michsky.MUIP
+{
+    [RequireComponent(typeof(TMP_InputField))]
+    [RequireComponent(typeof(Animator))]
+    public class CustomInputField : MonoBehaviour
+    {
+        [Header("Resources")]
+        public TMP_InputField inputText;
+        [SerializeField] private Animator inputFieldAnimator;
+
+        [Header("Settings")]
+        public bool processSubmit = false;
+        public bool clearOnSubmit = true;
+        [Tooltip("Set the current event system object as null.")]
+        [SerializeField] private bool setEventSystem = false;
+
+        [Header("Events")]
+        public UnityEvent onSubmit = new UnityEvent();
+
+        // Hidden variables
+        private float cachedDuration = 0.5f;
+        private string inAnim = "In";
+        private string outAnim = "Out";
+        private string instaInAnim = "Instant In";
+        private string instaOutAnim = "Instant Out";
+        private bool isActive = false;
+
+        void Awake()
+        {
+            Initialize();
+
+            inputText.onSelect.AddListener(delegate { AnimateIn(); });
+            inputText.onEndEdit.AddListener(delegate { HandleEndEdit(); });
+            inputText.onValueChanged.AddListener(delegate { UpdateState(); });
+
+            UpdateStateInstant();
+        }
+
+        void OnEnable()
+        {
+            if (inputText == null || inputFieldAnimator == null) { Initialize(); }
+            inputText.ForceLabelUpdate();
+            UpdateStateInstant();
+        }
+
+        void Update()
+        {
+            if (!processSubmit || string.IsNullOrEmpty(inputText.text) || EventSystem.current.currentSelectedGameObject != inputText.gameObject)
+                return;
+
+#if ENABLE_LEGACY_INPUT_MANAGER
+            if (Input.GetKeyDown(KeyCode.Return)) 
+            { 
+                onSubmit.Invoke();
+
+                if (clearOnSubmit) 
+                {
+                    inputText.text = ""; 
+                    UpdateState();
+                } 
+            }
+#elif ENABLE_INPUT_SYSTEM
+            if (Keyboard.current.enterKey.wasPressedThisFrame) 
+            { 
+                onSubmit.Invoke(); 
+                
+                if (clearOnSubmit) 
+                { 
+                    inputText.text = ""; 
+                    UpdateState();
+                } 
+            }
+#endif
+        }
+
+        void Initialize()
+        {
+            if (inputText == null) { inputText = gameObject.GetComponent<TMP_InputField>(); }
+            if (inputFieldAnimator == null) { inputFieldAnimator = gameObject.GetComponent<Animator>(); }
+        }
+
+        public void AnimateIn() 
+        {
+            if (inputFieldAnimator.gameObject.activeInHierarchy && !isActive) 
+            {
+                StopCoroutine("DisableAnimator");
+                StartCoroutine("DisableAnimator");
+
+                isActive = true;
+                inputFieldAnimator.enabled = true;
+                inputFieldAnimator.Play(inAnim);
+            }
+        }
+
+        public void AnimateOut()
+        {
+            if (inputFieldAnimator.gameObject.activeInHierarchy && inputText.text.Length == 0 && isActive)
+            {
+                StopCoroutine("DisableAnimator");
+                StartCoroutine("DisableAnimator");
+
+                isActive = false;
+                inputFieldAnimator.enabled = true;
+                inputFieldAnimator.Play(outAnim);
+            }
+        }
+
+        public void UpdateState()
+        {
+            if (inputText.text.Length == 0) { AnimateOut(); }
+            else { AnimateIn(); }
+        }
+
+        public void UpdateStateInstant()
+        {
+            inputFieldAnimator.enabled = true;
+
+            StopCoroutine("DisableAnimator");
+            StartCoroutine("DisableAnimator");
+
+            if (inputText.text.Length == 0) { isActive = false; inputFieldAnimator.Play(instaOutAnim);  }
+            else { isActive = true; inputFieldAnimator.Play(instaInAnim); }
+        }
+
+        void HandleEndEdit()
+        {
+            if (setEventSystem && string.IsNullOrEmpty(inputText.text) && !EventSystem.current.alreadySelecting && EventSystem.current.currentSelectedGameObject == inputText.gameObject)
+            {
+                EventSystem.current.SetSelectedGameObject(null);
+            }
+
+            AnimateOut();
+        }
+
+        IEnumerator DisableAnimator()
+        {
+            yield return new WaitForSecondsRealtime(cachedDuration);
+            inputFieldAnimator.enabled = false;
+        }
+    }
+}

Assets/Modern UI Pack/Scripts/Input Field/CustomInputField.cs.meta

@@ -0,0 +1,18 @@
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