修改messagebox显示

另外修改了一些因为之前愚蠢的方案而导致的bug

Assets/Scripts/FixSystem/Screen/MessageBox.cs

@@ -1,42 +1,91 @@
-using System.Collections;
-using System.Collections.Generic;
 using UnityEngine;
 using TMPro;
+using System.Collections;
 using Yarn.Unity;
 
 public class MessageBox : MonoBehaviour
 {
-    public TMP_Text messageText; // Unity UI Text component
-
-    public void SetWarning(string message)
+    public static MessageBox Instance { get; private set; }
+    public TMP_Text state;  // 显示状态的TextMeshPro组件
+    public TMP_Text text;   // 显示消息的TextMeshPro组件
+    private void Awake()
     {
-        messageText.color = Color.red; // Set text color to red for warnings
-        messageText.text = message;
+        // 确保单例模式
+        if (Instance != null && Instance != this)
+        {
+            Destroy(gameObject);
+        }
+        else
+        {
+            Instance = this;
+            DontDestroyOnLoad(gameObject); // 可选：保持在场景加载之间
+        }
     }
-
-    public void SetNormal(string message)
-    {
-        messageText.color = Color.black; // Set text color to black for normal messages
-        messageText.text = message;
-    }
-    
+    // Yarn Command处理方法
     [YarnCommand("messagebox")]
-    public void HandleMessageBoxCommand(string type,string text)
+    public void HandleMessageBoxCommand(string type, string message)
     {
-    // 根据消息类型调用相应的方法
-    if (type == "warning")
-    {
-        SetWarning(text);
+        switch (type.ToLower())
+        {
+            case "warning":
+                SetWarning(message);
+                break;
+            case "normal":
+                SetNormal(message);
+                break;
+            case "null":
+                SetNull();
+                break;
+            default:
+                Debug.LogError("Invalid message type for messagebox command: " + type);
+                break;
+        }
     }
-    else if (type == "normal")
+    private void Start()
     {
-        SetNormal(text);
-    }
-    else
-    {
-        Debug.LogError("Invalid message type for messagebox command: " + type);
+        SetNull();
     }
 
-}
+    // 设置为Warning状态
+    private void SetWarning(string message)
+    {
+        state.text = "WARNING";
+        state.color = Color.red; // 红色
+        text.text = message;
+        text.color = Color.white; // 默认文本颜色
+        StartCoroutine(FlashWarning()); // 开始闪烁效果
+    }
 
+    // 设置为Normal状态
+    private void SetNormal(string message)
+    {
+        state.text = "NORMAL";
+        state.color = new Color(1.0f, 0.55f, 0.0f); // 琥珀色
+        text.text = message;
+        text.color = Color.white; // 默认文本颜色
+        StopCoroutine(FlashWarning()); // 停止闪烁效果（如果正在闪烁）
+    }
+
+    // 设置为Null状态
+    public void SetNull()
+    {
+        state.text = "NO SIGNAL";
+        state.color = Color.blue; // 蓝色
+        text.text = string.Empty;
+        text.color = Color.white; // 默认文本颜色
+        StopCoroutine(FlashWarning()); // 停止闪烁效果（如果正在闪烁）
+    }
+
+    // 闪烁警告效果
+    private IEnumerator FlashWarning()
+    {
+        for (int i = 0; i < 3; i++)
+        {
+            state.enabled = false;
+            yield return new WaitForSeconds(0.5f); // 闪烁间隔
+            state.enabled = true;
+            yield return new WaitForSeconds(0.5f); // 闪烁间隔
+        }
+        state.enabled = true; // 确保闪烁后状态仍然可见
+    }
 }