{"id":4316,"date":"2025-08-18T10:07:58","date_gmt":"2025-08-18T02:07:58","guid":{"rendered":"https:\/\/www.caiqinyi.cn\/?p=4316"},"modified":"2025-08-18T10:07:58","modified_gmt":"2025-08-18T02:07:58","slug":"ue5_design_pattern_proxy_pattern","status":"publish","type":"post","link":"https:\/\/www.caiqinyi.cn\/index.php\/2025\/08\/18\/ue5_design_pattern_proxy_pattern\/","title":{"rendered":"[UE5 \u8bbe\u8ba1\u6a21\u5f0f] \u4ee3\u7406\u6a21\u5f0fProxy Pattern"},"content":{"rendered":"<p><script type=\"text\/javascript\" async src=\"https:\/\/www.caiqinyi.cn\/wp-content\/MathJax\/MathJax.js?config=TeX-AMS_CHTML\">\n<\/script><br \/>\n<script type=\"text\/x-mathjax-config\">\n    MathJax.Hub.Config({\n        tex2jax: {inlineMath: [['$','$']]},\n        TeX: {equationNumbers: {autoNumber: [\"AMS\"], useLabelIds: true}},\n        \"HTML-CSS\": {linebreaks: {automatic: true}},\n        SVG: {linebreaks: {automatic: true}}\n    });\n<\/script><\/p>\n<p><strong>\u53c2\u8003\u6750\u6599<\/strong><br \/>\n1. <a href=\"https:\/\/www.cnblogs.com\/shiroe\/p\/14909707.html\">\u3010UE4 \u8bbe\u8ba1\u6a21\u5f0f\u3011\u7b56\u7565\u6a21\u5f0f Strategy Pattern<\/a><br \/>\n2. <a href=\"https:\/\/www.runoob.com\/design-pattern\/proxy-pattern.html\">\u4ee3\u7406\u6a21\u5f0f<\/a><br \/>\n3. <a href=\"https:\/\/www.cnblogs.com\/kekec\/p\/15721722.html\">UE4\u6e38\u620f\u903b\u8f91\u4e0e\u6e32\u67d3\u903b\u8f91\u5206\u79bb<\/a><\/p>\n<p><strong>1. \u6982\u8ff0<\/strong><\/p>\n<p><strong>1.1 \u63cf\u8ff0<\/strong><\/p>\n<p>$\\cdot$ \u5728\u4ee3\u7406\u6a21\u5f0f(Proxy Pattern) \u4e2d, \u4e00\u4e2a\u7c7b\u4ee3\u8868\u53e6\u4e00\u4e2a\u7c7b\u7684\u529f\u80fd, \u8fd9\u79cd\u7c7b\u578b\u7684\u8bbe\u8ba1\u6a21\u5f0f\u5c5e\u4e8e\u7ed3\u6784\u578b\u6a21\u5f0f.<br \/>\n$\\\\$ \u4ee3\u7406\u6a21\u5f0f\u901a\u8fc7\u5f15\u5165\u4e00\u4e2a\u4ee3\u7406\u5bf9\u8c61\u6765\u63a7\u5236\u5bf9\u539f\u5bf9\u8c61\u7684\u8bbf\u95ee. \u4ee3\u7406\u5bf9\u8c61\u5728\u5ba2\u6237\u7aef\u548c\u76ee\u6807\u5bf9\u8c61\u4e4b\u95f4\u5145\u5f53\u4e2d\u4ecb, \u8d1f\u8d23\u5c06\u5ba2\u6237\u7aef\u7684\u8bf7\u6c42\u8f6c\u53d1\u7ed9\u76ee\u6807\u5bf9\u8c61, \u540c\u65f6\u53ef\u4ee5\u5728\u8f6c\u53d1\u8bf7\u6c42\u524d\u540e\u8fdb\u884c\u989d\u5916\u7684\u5904\u7406.<br \/>\n$\\\\$ \u5728\u4ee3\u7406\u6a21\u5f0f\u4e2d, \u6211\u4eec\u521b\u5efa\u5177\u6709\u73b0\u6709\u5bf9\u8c61\u7684\u5bf9\u8c61, \u4ee5\u4fbf\u5411\u5916\u754c\u63d0\u4f9b\u529f\u80fd\u63a5\u53e3.<\/p>\n<p><!--more--><\/p>\n<p><strong>1.2 \u5957\u8def<\/strong><\/p>\n<p>$\\cdot$ <strong>\u5b9e\u73b0\u65b9\u5f0f:<\/strong><br \/>\n$\\\\$ 1) \u589e\u52a0\u4e2d\u95f4\u5c42: \u521b\u5efa\u4e00\u4e2a\u4ee3\u7406\u7c7b, \u4f5c\u4e3a\u771f\u5b9e\u5bf9\u8c61\u7684\u4e2d\u95f4\u5c42.<br \/>\n$\\\\$ 2) \u4ee3\u7406\u4e0e\u771f\u5b9e\u5bf9\u8c61\u7ec4\u5408: \u4ee3\u7406\u7c7b\u6301\u6709\u771f\u5b9e\u5bf9\u8c61\u7684\u5f15\u7528, \u5e76\u5728\u8bbf\u95ee\u65f6\u8fdb\u884c\u63a7\u5236.<\/p>\n<p>$\\cdot$ <strong>\u5173\u952e\u4ee3\u7801:<\/strong><br \/>\n$\\\\$ 1) \u4ee3\u7406\u7c7b: \u5b9e\u73b0\u4e0e\u771f\u5b9e\u5bf9\u8c61\u76f8\u540c\u7684\u63a5\u53e3, \u5e76\u6dfb\u52a0\u989d\u5916\u7684\u63a7\u5236\u903b\u8f91.<br \/>\n$\\\\$ 2) \u771f\u5b9e\u5bf9\u8c61: \u5b9e\u9645\u6267\u884c\u4efb\u52a1\u7684\u5bf9\u8c61.<\/p>\n<p>$\\cdot$ <strong>\u7ed3\u6784:<\/strong><br \/>\n$\\\\$ \u4e3b\u8981\u6d89\u53ca\u5230\u4ee5\u4e0b\u51e0\u4e2a\u6838\u5fc3\u89d2\u8272:<br \/>\n$\\\\$ 1) \u62bd\u8c61\u4e3b\u9898(Subject): \u5b9a\u4e49\u4e86\u771f\u5b9e\u4e3b\u9898\u548c\u4ee3\u7406\u4e3b\u9898\u7684\u5171\u540c\u63a5\u53e3, \u8fd9\u6837\u5728\u4efb\u4f55\u4f7f\u7528\u771f\u5b9e\u4e3b\u9898\u7684\u5730\u65b9\u90fd\u53ef\u4ee5\u4f7f\u7528\u4ee3\u7406\u4e3b\u9898.<br \/>\n$\\\\$ 2) \u771f\u5b9e\u4e3b\u9898(Real Subject): \u5b9e\u73b0\u4e86\u62bd\u8c61\u4e3b\u9898\u63a5\u53e3, \u662f\u4ee3\u7406\u5bf9\u8c61\u6240\u4ee3\u8868\u7684\u771f\u5b9e\u5bf9\u8c61. \u5ba2\u6237\u7aef\u76f4\u63a5\u8bbf\u95ee\u771f\u5b9e\u4e3b\u9898, \u4f46\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b, \u53ef\u4ee5\u901a\u8fc7\u4ee3\u7406\u4e3b\u9898\u6765\u95f4\u63a5\u8bbf\u95ee.<br \/>\n$\\\\$ 3) \u4ee3\u7406(Proxy): \u5b9e\u73b0\u4e86\u62bd\u8c61\u4e3b\u9898\u63a5\u53e3, \u5e76\u6301\u6709\u5bf9\u771f\u5b9e\u4e3b\u9898\u7684\u5f15\u7528. \u4ee3\u7406\u4e3b\u9898\u901a\u5e38\u5728\u771f\u5b9e\u4e3b\u9898\u7684\u57fa\u7840\u4e0a\u63d0\u4f9b\u4e00\u4e9b\u989d\u5916\u7684\u529f\u80fd, \u4f8b\u5982\u5ef6\u8fdf\u52a0\u8f7d, \u6743\u9650\u63a7\u5236, \u65e5\u5fd7\u8bb0\u5f55\u7b49.<br \/>\n$\\\\$ 4) \u5ba2\u6237\u7aef(Client): \u4f7f\u7528\u62bd\u8c61\u4e3b\u9898\u63a5\u53e3\u6765\u64cd\u4f5c\u771f\u5b9e\u4e3b\u9898\u6216\u4ee3\u7406\u4e3b\u9898, \u4e0d\u9700\u8981\u77e5\u9053\u5177\u4f53\u662f\u54ea\u4e00\u4e2a\u5b9e\u73b0\u7c7b.<\/p>\n<p><strong>1.3 \u4f7f\u7528\u573a\u666f<\/strong><\/p>\n<p>$\\cdot$ \u5f53\u9700\u8981\u5728\u8bbf\u95ee\u4e00\u4e2a\u5bf9\u8c61\u65f6\u8fdb\u884c\u4e00\u4e9b\u63a7\u5236\u6216\u989d\u5916\u5904\u7406\u65f6.<\/p>\n<p><strong>1.4 \u4f18\u7f3a\u70b9<\/strong><\/p>\n<p>$\\cdot$ <strong>\u4f18\u70b9:<\/strong><br \/>\n$\\\\$ 1) \u804c\u8d23\u5206\u79bb: \u4ee3\u7406\u6a21\u5f0f\u5c06\u8bbf\u95ee\u63a7\u5236\u4e0e\u4e1a\u52a1\u903b\u8f91\u5206\u79bb.<br \/>\n$\\\\$ 2) \u6269\u5c55\u6027: \u53ef\u4ee5\u7075\u6d3b\u5730\u6dfb\u52a0\u989d\u5916\u7684\u529f\u80fd\u6216\u63a7\u5236.<br \/>\n$\\\\$ 3) \u667a\u80fd\u5316: \u53ef\u4ee5\u667a\u80fd\u5730\u5904\u7406\u8bbf\u95ee\u8bf7\u6c42, \u5982\u5ef6\u8fdf\u52a0\u8f7d, \u7f13\u5b58\u7b49.<\/p>\n<p>$\\cdot$ <strong>\u7f3a\u70b9:<\/strong><br \/>\n$\\\\$ 1) \u6027\u80fd\u5f00\u9500: \u589e\u52a0\u4e86\u4ee3\u7406\u5c42\u53ef\u80fd\u4f1a\u5f71\u54cd\u8bf7\u6c42\u7684\u5904\u7406\u901f\u5ea6.<br \/>\n$\\\\$ 2) \u5b9e\u73b0\u590d\u6742\u6027: \u67d0\u4e9b\u7c7b\u578b\u7684\u4ee3\u7406\u6a21\u5f0f\u5b9e\u73b0\u8d77\u6765\u53ef\u80fd\u8f83\u4e3a\u590d\u6742.<\/p>\n<p><strong>2. UE5\u5b9e\u8df5<\/strong><\/p>\n<p>\u865a\u5e7b\u5f15\u64ce\u7684\u6846\u67b6\u8bbe\u8ba1\u7684\u4e00\u4e2a\u57fa\u672c\u601d\u8def\u662f: \u6e38\u620f\u903b\u8f91\u4e0e\u6e32\u67d3\u903b\u8f91\u5206\u79bb.<br \/>\n$\\\\$ \u5373\u5b58\u5728\u4e00\u4e2a\u6e38\u620f\u7684\u4e16\u754c: \u5305\u542b\u5728\u573a\u666f\u4e2d\u7684Actor(\u53ca\u4e0e\u5176\u5173\u8054\u7684ActorComponent). \u540c\u65f6, \u4e0e\u5b58\u5728\u4e00\u4e2a\u6e32\u67d3\u7684\u4e16\u754c, \u8fd9\u4e2a\u4e16\u754c\u4e2d\u5305\u542b\u4e86\u5448\u73b0\u6e38\u620f\u4e16\u754c\u6240\u9700\u8981\u7684\u4fe1\u606f.<br \/>\n$\\\\$ \u6e32\u67d3\u7684\u4e16\u754c\u5982\u540c\u5e03\u666f\u4e00\u822c, \u5176\u53ea\u4f1a\u5448\u73b0\u5728\u5f53\u524d\u6444\u50cf\u673a\u8303\u56f4\u5185\u7684, \u53ef\u4ee5\u88ab\u6e32\u67d3\u7684\u5185\u5bb9.<br \/>\n$\\\\$ \u4f8b\u5982: \u4e00\u4e2aAStaticMeshActor\u53ca\u5176\u5305\u542bUStaticMeshComponent\u7ec4\u4ef6\u5bf9\u5e94\u6e38\u620f\u7684\u4e16\u754c, \u4e0d\u4f1a\u53bb\u5904\u7406\u6e32\u67d3\u76f8\u5173\u7684\u903b\u8f91, \u800c\u662f\u901a\u8fc7\u4e00\u4e2aFStaticMeshSceneProxy\u573a\u666f\u4ee3\u7406\u5bf9\u8c61\u6765\u6267\u884c\u6e32\u67d3.<br \/>\n$\\\\$ \u4efb\u4f55\u4e00\u4e2a\u53ef\u4ee5\u88ab\u6e32\u67d3\u7684\u7ec4\u4ef6, \u90fd\u9700\u8981\u8c03\u7528CreateSceneProxy()\u6765\u521b\u5efa\u5bf9\u5e94\u7684SceneProxy(\u573a\u666f\u4ee3\u7406) \u5bf9\u8c61. \u6ce8: CreateSceneProxy\u5728\u7ec4\u4ef6\u6ce8\u518c\u5230\u4e16\u754c\u4e2d\u7684\u65f6\u5019\u88ab\u8c03\u7528, \u800c\u4e0d\u662f\u6bcf\u5e27\u90fd\u8c03\u7528.<\/p>\n<p><strong>2.1 \u6e38\u620f\u7ebf\u7a0b\u548c\u6e32\u67d3\u7ebf\u7a0b\u4ee3\u8868<\/strong><\/p>\n<p>\u6e38\u620f\u7ebf\u7a0b\u7684\u5bf9\u8c61\u901a\u5e38\u505a\u903b\u8f91\u66f4\u65b0, \u5728\u5185\u5b58\u4e2d\u6709\u4e00\u4efd\u6301\u4e45\u7684\u6570\u636e, \u4e3a\u4e86\u907f\u514d\u6e38\u620f\u7ebf\u7a0b\u548c\u6e32\u67d3\u7ebf\u7a0b\u4ea7\u751f\u7ade\u4e89\u6761\u4ef6, \u4f1a\u5728\u6e32\u67d3\u7ebf\u7a0b\u989d\u5916\u5b58\u50a8\u4e00\u4efd\u5185\u5b58\u62f7\u8d1d, \u5e76\u4e14\u4f7f\u7528\u7684\u662f\u53e6\u5916\u7684\u7c7b\u578b. \u5982Game Thread\u4e0a\u7684UPrimitiveComponent\u5bf9\u5e94\u4e8eRender Thread\u4e0a\u7684FPrimitiveSceneProxy.<br \/>\n$\\\\$ \u6e38\u620f\u7ebf\u7a0b\u4ee3\u8868\u4e00\u822c\u7531\u6e38\u620f\u6e38\u620f\u7ebf\u7a0b\u64cd\u4f5c, \u6e32\u67d3\u7ebf\u7a0b\u4ee3\u8868\u4e3b\u8981\u7531\u6e32\u67d3\u7ebf\u7a0b\u64cd\u4f5c. \u5982\u679c\u5c1d\u8bd5\u8de8\u7ebf\u7a0b\u64cd\u4f5c\u6570\u636e, \u5c06\u4f1a\u5f15\u53d1\u4e0d\u53ef\u9884\u6599\u7684\u7ed3\u679c, \u4ea7\u751f\u7ade\u4e89\u6761\u4ef6.<br \/>\n$\\\\$ \u8fd9\u4e9b\u573a\u666f\u4ee3\u7406FPrimitiveSceneProxy\u672c\u5c5e\u4e8e\u5f15\u64ce\u6a21\u5757, \u4f46\u53c8\u5c5e\u4e8e\u6e32\u67d3\u7ebf\u7a0b\u4e13\u5c5e\u5bf9\u8c61, \u8bf4\u660e\u5b83\u4eec\u662f\u8fde\u63a5\u6e38\u620f\u7ebf\u7a0b\u548c\u6e32\u67d3\u7ebf\u7a0b\u7684\u6865\u6881, \u662f\u7ebf\u7a0b\u95f4\u4f20\u9012\u6570\u636e\u7684\u5de5\u5177\u4eba; \u8fd9\u4e9b\u56fe\u5143\u51e0\u4f55\u4f53\u7684\u573a\u666f\u4ee3\u7406, \u662fUPrimitiveComponent\u5728\u6e32\u67d3\u5668\u7684\u4ee3\u8868, \u955c\u50cf\u4e86UPrimitiveComponent\u5728\u6e32\u67d3\u7ebf\u7a0b\u7684\u72b6\u6001.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u53c2\u8003\u6750\u6599 1. \u3010UE4 \u8bbe\u8ba1\u6a21\u5f0f\u3011\u7b56\u7565\u6a21\u5f0f Strategy Pattern 2. \u4ee3\u7406\u6a21\u5f0f 3. UE4\u6e38 &hellip; <a href=\"https:\/\/www.caiqinyi.cn\/index.php\/2025\/08\/18\/ue5_design_pattern_proxy_pattern\/\" class=\"more-link\">\u7ee7\u7eed\u9605\u8bfb<span class=\"screen-reader-text\">[UE5 \u8bbe\u8ba1\u6a21\u5f0f] \u4ee3\u7406\u6a21\u5f0fProxy Pattern<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[9,32],"tags":[],"_links":{"self":[{"href":"https:\/\/www.caiqinyi.cn\/index.php\/wp-json\/wp\/v2\/posts\/4316"}],"collection":[{"href":"https:\/\/www.caiqinyi.cn\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.caiqinyi.cn\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.caiqinyi.cn\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.caiqinyi.cn\/index.php\/wp-json\/wp\/v2\/comments?post=4316"}],"version-history":[{"count":11,"href":"https:\/\/www.caiqinyi.cn\/index.php\/wp-json\/wp\/v2\/posts\/4316\/revisions"}],"predecessor-version":[{"id":4327,"href":"https:\/\/www.caiqinyi.cn\/index.php\/wp-json\/wp\/v2\/posts\/4316\/revisions\/4327"}],"wp:attachment":[{"href":"https:\/\/www.caiqinyi.cn\/index.php\/wp-json\/wp\/v2\/media?parent=4316"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.caiqinyi.cn\/index.php\/wp-json\/wp\/v2\/categories?post=4316"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.caiqinyi.cn\/index.php\/wp-json\/wp\/v2\/tags?post=4316"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}