{"id":181,"date":"2023-12-26T15:02:30","date_gmt":"2023-12-26T23:02:30","guid":{"rendered":"https:\/\/karasu.tech\/?p=181"},"modified":"2024-09-22T06:10:23","modified_gmt":"2024-09-22T14:10:23","slug":"%e6%88%91%e7%9a%84%e6%95%91%e6%98%9f-fsm%e6%9c%89%e9%99%90%e7%8a%b6%e6%80%81%e6%9c%ba","status":"publish","type":"post","link":"https:\/\/karasu.tech\/?p=181","title":{"rendered":"\u6211\u7684\u6551\u661f\u2014\u2014FSM\u6709\u9650\u72b6\u6001\u673a"},"content":{"rendered":"<p>\u8fd1\u671f\u5728\u91cd\u6784\u81ea\u5df1\u9879\u76ee\u4ee3\u7801\uff0c\u611f\u53d7\u5230\u4e86\u89d2\u8272\u63a7\u5236\u7684\u52a8\u753b\u3001\u903b\u8f91\u7684\u8026\u5408\uff0c\u7ee7\u7eed\u6709\u6548\u7684\u63a7\u5236\u6846\u67b6\u3002\u5e76\u4e14\u540e\u7eed\u53ef\u4ee5\u6269\u5c55\u81f3\u5176\u4ed6\u5bf9\u8c61\u63a7\u5236\u5668\uff0c\u4e8e\u662f\u5c31\u53d1\u73b0\u4e86\u6709\u9650\u72b6\u6001\u673a\u7684\u7a0b\u5e8f\u67b6\u6784\u601d\u8def\uff08\u5176\u5b9e\u548cunity\u4e2d\u7684\u52a8\u753b\u72b6\u6001\u673a\u662f\u4e00\u79cd\u601d\u8def\uff09<\/p>\n<p>\u603b\u7684\u6765\u8bf4\uff0c\u6709\u9650\u72b6\u6001\u673a\u63d0\u4f9b\u4e86\u4e00\u79cd\u76f4\u89c2\u4e14\u6709\u6548\u7684\u65b9\u6cd5\u6765\u63cf\u8ff0\u7cfb\u7edf\u7684\u884c\u4e3a\uff0c\u5e76\u4e14\u53ef\u4ee5\u5e2e\u52a9\u6211\u66f4\u597d\u5730\u7ec4\u7ec7\u548c\u7ba1\u7406\u7cfb\u7edf\u7684\u72b6\u6001\u8f6c\u79fb\u903b\u8f91\uff0c\u9a71\u52a8\u6570\u636e\u53d8\u5316\uff0c\u52a8\u753b\u53d8\u5316\u3002<\/p>\n<blockquote><p>\n  \u6709\u9650\u72b6\u6001\u673a\uff08Finite State Machine\uff0cFSM\uff09\u662f\u4e00\u79cd\u6570\u5b66\u6a21\u578b\u548c\u8ba1\u7b97\u673a\u79d1\u5b66\u4e2d\u5e38\u7528\u7684\u6982\u5ff5\uff0c\u7528\u4e8e\u63cf\u8ff0\u5177\u6709\u6709\u9650\u4e2a\u72b6\u6001\u4ee5\u53ca\u5728\u8fd9\u4e9b\u72b6\u6001\u4e4b\u95f4\u8f6c\u79fb\u7684\u7cfb\u7edf\u3002\u6709\u9650\u72b6\u6001\u673a\u7531\u4e00\u7ec4\u72b6\u6001\u3001\u521d\u59cb\u72b6\u6001\u3001\u8f6c\u79fb\u6761\u4ef6\u548c\u52a8\u4f5c\u7ec4\u6210\u3002\n<\/p><\/blockquote>\n<hr \/>\n<p><strong>\u6709\u9650\u72b6\u6001\u673a\u901a\u5e38\u5305\u542b\u4ee5\u4e0b\u51e0\u4e2a\u8981\u7d20\uff1a<\/strong><\/p>\n<ul>\n<li>\u72b6\u6001\uff08States\uff09\uff1a\u7cfb\u7edf\u53ef\u4ee5\u5904\u4e8e\u7684\u4e0d\u540c\u72b6\u6001\u3002\u6bcf\u4e2a\u72b6\u6001\u4ee3\u8868\u7cfb\u7edf\u5728\u67d0\u4e2a\u65f6\u523b\u7684\u7279\u5b9a\u60c5\u51b5\u6216\u6761\u4ef6\u3002<\/li>\n<li>\u8f6c\u79fb\uff08Transitions\uff09\uff1a\u63cf\u8ff0\u7cfb\u7edf\u4ece\u4e00\u4e2a\u72b6\u6001\u8f6c\u79fb\u5230\u53e6\u4e00\u4e2a\u72b6\u6001\u7684\u6761\u4ef6\u3002\u8f6c\u79fb\u901a\u5e38\u4e0e\u7279\u5b9a\u7684\u8f93\u5165\u6216\u4e8b\u4ef6\u76f8\u5173\u8054\u3002<\/li>\n<li>\u521d\u59cb\u72b6\u6001\uff08Initial State\uff09\uff1a\u7cfb\u7edf\u5728\u5f00\u59cb\u65f6\u6240\u5904\u7684\u72b6\u6001\u3002<\/li>\n<li>\u8f6c\u79fb\u89c4\u5219\uff08Transition Rules\uff09\uff1a\u5b9a\u4e49\u4e86\u7cfb\u7edf\u4ece\u4e00\u4e2a\u72b6\u6001\u8f6c\u79fb\u5230\u53e6\u4e00\u4e2a\u72b6\u6001\u7684\u6761\u4ef6\u548c\u52a8\u4f5c\u3002<\/li>\n<li>\u52a8\u4f5c\uff08Actions\uff09\uff1a\u4e0e\u72b6\u6001\u8f6c\u79fb\u76f8\u5173\u8054\u7684\u64cd\u4f5c\u6216\u884c\u4e3a\u3002<\/li>\n<\/ul>\n<p>\u9996\u5148\uff0c\u6211\u4eec\u9700\u8981\u521b\u5efa\u4e00\u4e2a\u4e8b\u4ef6\u7ba1\u7406\u5668\u5355\u4f8b\uff0c\u7528\u4e8e\u7ba1\u7406\u548c\u89e6\u53d1\u4e8b\u4ef6\uff08\u5f53\u4f5c\u7b80\u6613\u7684\u901a\u4fe1\u7cfb\u7edf\uff09\uff1a<\/p>\n<pre><code class=\"language-csharp line-numbers\">public class EventManager : MonoBehaviour\n{\n    public static EventManager instance;\n    public event Action&lt;object&gt; OnDataReceived;\n    private void Awake()\n    {\n        if (instance == null){instance = this;}\n        else{Destroy(gameObject);}\n    }\n\n    public void ChangeState(State newState)\n    {\n        OnStateChange?.Invoke(newState);\n    }\n}\n<\/code><\/pre>\n<p>&nbsp;<br \/>\n\u5176\u6b21\u5219\u6838\u5fc3\u7684\u6709\u9650\u72b6\u6001\u673a,\u5904\u7406\u4f20\u8f93\u7684\u6570\u636e\u53d8\u66f4\u903b\u8f91\uff0c\u5e76\u4e14\u4fee\u6539\u72b6\u6001\u3002\u5e76\u4e14\u540e\u7eed\u53ef\u4ee5\u5728\u5176\u4e2d\u52a0\u5165\u72ec\u7acb\u7684\u52a8\u753b\u7ba1\u7406\u6a21\u5757\uff0c\u6210\u529f\u5c06\u6570\u636e\u3001\u903b\u8f91\u3001\u52a8\u753b\u4e09\u8005\u5206\u79bb<\/p>\n<pre><code class=\"language-csharp line-numbers\">public class CharacterFSM : MonoBehaviour\n{\n    \/\/\u679a\u4e3e\u6709\u9650\u72b6\u6001\u673a\u72b6\u6001\n    private enum State { Idle, Walking, Running }\n    private State currentState;\n    private void Start()\n    {\n        \/\/ \u8ba2\u9605\u4e8b\u4ef6\n        EventManager.instance.OnDataReceived += HandleDataReceived;\n    }\n\n    private void HandleDataReceived(object data)\n    {\n        \/\/ \u5904\u7406\u63a5\u6536\u5230\u7684\u6570\u636e\n        if (data is int)\n        {\n            int intValue = (int)data;\n            Debug.Log(\"Received int data: \" + intValue);\n        }\n        else if (data is string)\n        {\n            string stringValue = (string)data;\n            Debug.Log(\"Received string data: \" + stringValue);\n        }\n        ChangeState(data.State);\n        \/\/ \u53ef\u4ee5\u6839\u636e\u9700\u8981\u5904\u7406\u5176\u4ed6\u7c7b\u578b\u7684\u6570\u636e\n    }\n    ChangeState(State state){\n    switch (currentState)\n        {\n            case State.Idle:\n                \/\/ \u5728Idle\u72b6\u6001\u4e0b\u7684\u884c\u4e3a\n                Debug.Log(\"Idle state\");\n                break;\n\n            case State.Walking:\n                \/\/ \u5728Walking\u72b6\u6001\u4e0b\u7684\u884c\u4e3a\n                Debug.Log(\"Walking state\");\n                break;\n\n            case State.Running:\n                \/\/ \u5728Running\u72b6\u6001\u4e0b\u7684\u884c\u4e3a\n                Debug.Log(\"Running state\");\n                break;\n        }\n    }\n}\n\n<\/code><\/pre>\n<p>&nbsp;<br \/>\n\u6700\u540e\uff0c\u53ea\u8981\u5728\u5176\u4ed6\u89e6\u53d1\u4e8b\u4ef6\u7684\u4ee3\u7801\u5757\u4e2d\u8c03\u7528\u73b0\u4e8b\u4ef6\u7ba1\u7406\u5355\u4f8b\u7684\u51fd\u6570\u4f20\u9012\u4efb\u610f\u7c7b\u578b\u7684\u6570\u636e\u81f3\u6709\u9650\u72b6\u6001\u673a\u4e2d\uff0c\u5c31\u53ef\u4ee5\u6539\u53d8\u72b6\u6001\u4e86<\/p>\n<pre><code class=\"language-csharp line-numbers\">\/\/ \u5728\u5176\u4ed6\u811a\u672c\u4e2d\u4f20\u9012\u6570\u636e\n\/\/ \u8fd9\u91cc\u7684obj\u5bf9\u8c61\u5185\u5bb9\u5c31\u6839\u636e\u81ea\u5df1\u7684\u9879\u76ee\u9700\u6c42\u6765\u8bbe\u8ba1\u7ed3\u6784\u5c31\u597d\u4e86\nEventManager.instance.SendData(obj);\n<\/code><\/pre>\n<p>&nbsp;<\/p>\n<hr \/>\n<p>\u867d\u7136fsm\u89e3\u51b3\u4e86\u5355\u4e2a\u6e38\u620f\u5bf9\u8c61\u7684\u72b6\u6001\u7ba1\u7406\uff0c\u4f46\u662f\u5b9e\u9645\u5728\u67d0\u4e2a\u573a\u666f\u72b6\u6001\u4e0b\uff0cfsm\u76f4\u63a5\u72b6\u6001\u4e5f\u4e92\u76f8\u5f71\u54cd\u3002\u4f8b\u5982\u654c\u4eba\u7684\u72b6\u6001\u4f1a\u53d7\u5230\u73a9\u5bb6\u72b6\u6001\u7684\u5f71\u54cd\uff0c\u9700\u8981\u4e00\u5b9a\u7684\u901a\u4fe1\u65b9\u5f0f\u3002<\/p>\n<p>\u5982\u679c\u4f9d\u65e7\u4f9d\u8d56\u4e8b\u4ef6\u901a\u4fe1\uff0c\u5219\u4e0d\u597d\u6eaf\u6e90\u901a\u4fe1\u6765\u6e90\u3002\u5982\u679c\u901a\u8fc7\u6539\u53d8SO\u8fdb\u884c\u5b58\u50a8\u5219\u8fc7\u4e8e\u5403\u8d44\u6e90\uff0c\u800c\u4e14\u672c\u8eab\u4e5f\u662f\u5b58\u5728\u4e8e\u67d0\u4e2a\u72b6\u6001\u4e0b\u7684\u96f6\u65f6\u6570\u636e\uff0c\u8fc7\u4e8e\u5403\u8d44\u6e90\u3002<\/p>\n<p><strong>\u56e0\u6b64\u5b66\u5230\u4e86\u4e00\u62db\u6570\u636e\u9ed1\u677f\uff01<\/strong><br \/>\n\u6570\u636e\u9ed1\u677f\uff08Blackboard\uff09\u662f\u4e00\u79cd\u7528\u4e8e\u5728\u590d\u6742\u7cfb\u7edf\u4e2d\u5171\u4eab\u548c\u5b58\u50a8\u4fe1\u606f\u7684\u6280\u672f\u3002\u5728\u6709\u9650\u72b6\u6001\u673a\uff08FSM\uff09\u67b6\u6784\u4e2d\u5f15\u5165\u6570\u636e\u9ed1\u677f\u53ef\u4ee5\u5e2e\u52a9\u5728\u72b6\u6001\u4e4b\u95f4\u5171\u4eab\u4fe1\u606f\uff0c\u4f7f\u7cfb\u7edf\u66f4\u7075\u6d3b\u548c\u53ef\u6269\u5c55\u3002<\/p>\n<pre><code class=\"language-csharp line-numbers\">\/\/ \u6570\u636e\u9ed1\u677f\u7c7b\u7528\u4e8e\u5b58\u50a8\u548c\u5171\u4eab\u7cfb\u7edf\u4e2d\u7684\u6570\u636e\npublic class Blackboard\n{\n    private Dictionary&lt;string, object&gt; data = new Dictionary&lt;string, object&gt;();\n    \/\/ \u8bbe\u7f6e\u6307\u5b9a\u952e\u7684\u503c\n    public void SetValue(string key, object value)\n    {\n        if (data.ContainsKey(key)){ data[key] = value; }\n        else { data.Add(key, value); }\n    }\n    \/\/ \u83b7\u53d6\u6307\u5b9a\u952e\u7684\u503c\n    public T GetValue&lt;T&gt;(string key)\n    {\n        if (data.ContainsKey(key)) { return (T)data[key]; }\n        return default(T);\n    }\n}\n<\/code><\/pre>\n<p>&nbsp;<br \/>\n\u5728\u6709\u9650\u72b6\u6001\u673a\u7c7b\u4e2d\uff0c\u521b\u5efa\u4e00\u4e2a\u6570\u636e\u9ed1\u677f\u5b9e\u4f8b\uff0c\u5e76\u5c06\u5176\u7528\u4e8e\u5b58\u50a8\u548c\u5171\u4eab\u6570\u636e\u3002<\/p>\n<pre><code class=\"language-csharp line-numbers\">public class CharacterFSM : MonoBehaviour\n{\n    \/\/\u5728unity\u4e2d\u76d1\u89c6\u9762\u7248\u4e2d\u62d6\u5165\u63d0\u524d\u5b9e\u4f8b\u5316\u7684\u9ed1\u677f\u7c7b\n    public Blackboard blackboard;\n    private void Start()\n    {\n        \/\/ \u8bbe\u7f6e\u6570\u636e\u5230\u6570\u636e\u9ed1\u677f\n        blackboard.SetValue(\"Health\", 100);\n\n        \/\/ \u4ece\u6570\u636e\u9ed1\u677f\u83b7\u53d6\u6570\u636e\n        int health = blackboard.GetValue&lt;int&gt;(\"Health\");\n        Debug.Log(\"Health: \" + health);\n    }\n}\n\n<\/code><\/pre>\n<p>&nbsp;<br \/>\n\u4e4b\u540e\u5c31\u53ef\u4ee5\u5c06\u6570\u636e\u5b58\u50a8\u5728\u6570\u636e\u9ed1\u677f\u4e2d\uff0c\u5e76\u5728\u9700\u8981\u65f6\u4ece\u6570\u636e\u9ed1\u677f\u4e2d\u8bfb\u53d6\u6570\u636e\u3002<br \/>\n\u8fd9\u6837\u7684\u901a\u4fe1\u65b9\u5f0f\u4e0d\u6b62\u53ef\u4ee5\u5728FSM\u4e4b\u95f4\u4f7f\u7528\uff01\u4f46\u662f\u7528\u591a\u4e86\u4f9d\u65e7\u5bb9\u6613\u8026\u5408\uff0c\u6240\u4ee5\u843d\u7801\u65f6\u5f97\u5c3d\u53ef\u80fd\u7684\u6a21\u5757\u5316\uff01<\/p>\n<hr \/>\n<blockquote><p>\n  \u9879\u76ee\u4e2d\u5b9e\u9645\u7684\u4e8b\u4ef6\u901a\u4fe1\u73b0\u72b6\uff0c\u8ba9\u6211\u7edd\u671b&#8230;.<br \/>\n  <img decoding=\"async\" src=\"https:\/\/karasu.tech\/wp-content\/uploads\/2023\/12\/image.webp\" alt=\"\" \/>\n<\/p><\/blockquote>\n","protected":false},"excerpt":{"rendered":"<p>\u6570\u636e\uff0c\u52a8\u753b\uff0c\u903b\u8f91\uff0c\u5f97\u5206\u5f00\u554a\uff01\uff01\uff01\uff01\u8026\u5408\u5728\u4e00\u8d77\u597d\u75db\u82e6\u554a\uff01\uff01\uff01<\/p>\n","protected":false},"author":2,"featured_media":182,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[12,11,15],"class_list":["post-181","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-other","tag-unity","tag-11","tag-15"],"_links":{"self":[{"href":"https:\/\/karasu.tech\/index.php?rest_route=\/wp\/v2\/posts\/181","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/karasu.tech\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/karasu.tech\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/karasu.tech\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/karasu.tech\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=181"}],"version-history":[{"count":3,"href":"https:\/\/karasu.tech\/index.php?rest_route=\/wp\/v2\/posts\/181\/revisions"}],"predecessor-version":[{"id":187,"href":"https:\/\/karasu.tech\/index.php?rest_route=\/wp\/v2\/posts\/181\/revisions\/187"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/karasu.tech\/index.php?rest_route=\/wp\/v2\/media\/182"}],"wp:attachment":[{"href":"https:\/\/karasu.tech\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=181"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/karasu.tech\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=181"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/karasu.tech\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=181"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}