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Assets/Scripts/Story/Dialog/StoryInterpreters.cs

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+using System;
+using DynamicExpresso;
+using Ichni.Story;
+using UnityEngine;
+
+namespace Ichni.Story
+{
+    public static partial class StoryInterpreters
+    {
+        public static readonly Interpreter FunctionInterpreter;
+        public static readonly Interpreter ConditionInterpreter;
+        
+        static StoryInterpreters()
+        {
+            FunctionInterpreter = new Interpreter();
+            ConditionInterpreter = new Interpreter();
+            
+            SetFunctionInterpreter();
+            SetConditionInterpreter();
+        }
+        
+        static void SetFunctionInterpreter()
+        {
+            FunctionInterpreter.SetFunction("GetGlobalVariable", new Func<string, int>(GetGlobalVariable));
+        }
+
+        static void SetConditionInterpreter()
+        {
+            ConditionInterpreter.SetFunction("GetGlobalVariable", new Func<string, int>(GetGlobalVariable));
+        }
+    }
+
+    public static partial class StoryInterpreters
+    {
+        /// <summary>
+        /// 获取全局变量的值
+        /// </summary>
+        static int GetGlobalVariable(string variableName)
+        {
+            if (StoryManager.instance.globalVariables.TryGetValue(variableName, out int value))
+            {
+                return value;
+            }
+
+            throw new ArgumentException($"Global variable '{variableName}' not found.");
+        }
+    }
+}