StorySystem

Assets/Scripts/NewStorySystem/YarnFunctions/VariableFunctions.cs

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+using UnityEngine;
+using Yarn.Unity;
+using Ichni.Story;
+
+namespace Ichni.Story.YarnFunctions
+{
+    /// <summary>
+    /// 提供可以直接在 Yarn 脚本中调用的全局变量读写指令。
+    /// 完全兼容旧系统中的自定义函数（避免旧的 .yarn 报错），
+    /// 底层统一指向全新的 StoryVariables 枢纽。
+    /// </summary>
+    public static class VariableCommands
+    {
+        [YarnCommand("set_bool")]
+        public static void SetBool(string key, bool value)
+        {
+            StoryVariables.SetBool(key, value);
+        }
+
+        [YarnFunction("get_bool")]
+        public static bool GetBool(string key)
+        {
+            return StoryVariables.GetBool(key);
+        }
+        
+        [YarnCommand("set_int")]
+        public static void SetInt(string key, int value)
+        {
+            StoryVariables.SetInt(key, value);
+        }
+
+        [YarnCommand("modify_int")]
+        public static void ModifyInt(string key, int modification)
+        {
+            int currentValue = StoryVariables.GetInt(key);
+            StoryVariables.SetInt(key, currentValue + modification);
+        }
+        
+        [YarnFunction("get_int")]
+        public static int GetInt(string key)
+        {
+            return StoryVariables.GetInt(key);
+        }
+
+        [YarnCommand("set_float")]
+        public static void SetFloat(string key, float value)
+        {
+            StoryVariables.SetFloat(key, value);
+        }
+
+        [YarnCommand("modify_float")]
+        public static void ModifyFloat(string key, float modification)
+        {
+            float currentValue = StoryVariables.GetFloat(key);
+            StoryVariables.SetFloat(key, currentValue + modification);
+        }
+
+        [YarnFunction("get_float")]
+        public static float GetFloat(string key)
+        {
+            return StoryVariables.GetFloat(key);
+        }
+
+        [YarnCommand("set_string")]
+        public static void SetString(string key, string value)
+        {
+            StoryVariables.SetString(key, value);
+        }
+
+        [YarnFunction("get_string")]
+        public static string GetString(string key)
+        {
+            return StoryVariables.GetString(key);
+        }
+    }
+}