{"id":4453,"date":"2025-09-22T15:35:54","date_gmt":"2025-09-22T07:35:54","guid":{"rendered":"https:\/\/www.caiqinyi.cn\/?p=4453"},"modified":"2025-09-23T10:15:12","modified_gmt":"2025-09-23T02:15:12","slug":"unreal_engine_deep_dive","status":"publish","type":"post","link":"https:\/\/www.caiqinyi.cn\/index.php\/2025\/09\/22\/unreal_engine_deep_dive\/","title":{"rendered":"\u865a\u5e7b\u5f15\u64ce\u6df1\u5ea6\u89e3\u6790"},"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>\u9664\u4e86\u9010\u884c\u67e5\u770b\u6e90\u4ee3\u7801\u6216\u9605\u8bfb\u5b98\u65b9\u6587\u6863\u4e2d\u63d0\u4f9b\u7684\u6709\u9650\u4fe1\u606f\u5916, \u6df1\u5165\u63a2\u8ba8Epic Games\u865a\u5e7b\u5f15\u64ce\u67b6\u6784\u7684\u8d44\u6e90\u5e76\u4e0d\u591a. \u672c\u6587\u65e8\u5728\u4e3a\u90a3\u4e9b\u5e0c\u671b\u66f4\u6df1\u5165\u4e86\u89e3\u5f15\u64ce\u7684\u4eba\u586b\u8865\u8fd9\u4e00\u7a7a\u767d.<\/p>\n<p><!--more--><\/p>\n<p><strong>\u53c2\u8003\u6750\u6599<\/strong><br \/>\n1. <a href=\"https:\/\/github.com\/islamhaqq\/UnrealEngineDeepDive\">UnrealEngineDeepDive<\/a><\/p>\n<p><strong>1. \u5386\u53f2<\/strong><\/p>\n<p>\u7406\u89e3\u865a\u5e7b\u5f15\u64ce\u7684\u5386\u53f2\u80cc\u666f\u4e0e\u8109\u7edc\u81f3\u5173\u91cd\u8981. Tim Sweeney\u5728\u53d1\u5e03\u300a\u865a\u5e7b\u300b(1998\u5e74) \u524d, \u66fe\u4ece\u300a\u96f7\u795e\u4e4b\u95241\u300b(1996\u5e74) \u548c\u300a\u96f7\u795e\u4e4b\u95242\u300b(1997\u5e74) \u4e2d\u6c72\u53d6\u91cd\u8981\u7075\u611f. \u56e0\u6b64, \u865a\u5e7b\u5f15\u64ce\u7684\u57fa\u7840\u67b6\u6784\u8bbe\u8ba1\u4e0e\u300a\u96f7\u795e\u4e4b\u9524\u300b\u7cfb\u5217\u9ad8\u5ea6\u76f8\u4f3c. \u4e8b\u5b9e\u4e0a, \u8fd9\u4e00\u6bb5\u5f15\u8bed\u6070\u597d\u6982\u62ec\u4e86\u5176\u6838\u5fc3\u5173\u8054\u2014\u2014<\/p>\n<blockquote>\n<p>&#8220;This is probably going to come out sounding demeaning, but Epic wants Unreal to be Quake. Everything they did with Unreal, they did because they wanted it to be like what Quake turned out to be.&#8221; &#8211; John Carmack, creator of Quake, id Software<\/p>\n<\/blockquote>\n<p>\u300a\u865a\u5e7b\u300b\u6700\u521d\u4ee5\u7b2c\u4e00\u4eba\u79f0\u5c04\u51fb\u6e38\u620f(FPS) \u5f62\u5f0f\u53d1\u5e03, \u8fd9\u4e00\u70b9\u81f3\u5173\u91cd\u8981. \u6240\u6709\u7f51\u7edc\u6a21\u5757, \u6e32\u67d3\u7ba1\u7ebf\u53ca\u5e95\u5c42\u67b6\u6784\u5747\u56f4\u7ed5FPS\u6e38\u620f\u9700\u6c42\u6784\u5efa. \u5c3d\u7ba1\u76f8\u8f83\u4e8e\u300a\u96f7\u795e\u4e4b\u9524\u300b, \u865a\u5e7b\u5f15\u64ce\u5728\u591a\u7c7b\u578b\u652f\u6301\u4e0a\u5b9e\u73b0\u4e86\u663e\u8457\u7a81\u7834(\u4f8b\u5982\u300a\u96f7\u795e\u4e4b\u9524\u300b\u7684\u6e32\u67d3\u66f4\u504f\u5411\u6697\u5149\u8d70\u5eca\u573a\u666f), \u4e14Epic Games\u5b98\u65b9\u5ba3\u79f0\u5f15\u64ce\u652f\u6301\u5168\u7c7b\u578b\u6e38\u620f\u5f00\u53d1, \u4f46\u4e8b\u5b9e\u662f\u2014\u2014\u865a\u5e7b\u5f15\u64ce\u81ea\u8bde\u751f\u81f3\u4eca, \u5176\u6838\u5fc3\u4f18\u5316\u59cb\u7ec8\u805a\u7126\u4e8e\u7b2c\u4e00\u4eba\u79f0\u5c04\u51fb(FPS) \u53ca\u540c\u7c7b\u6e38\u620f(\u5982\u7b2c\u4e09\u4eba\u79f0\u5c04\u51fbTPS). \u4ee5\u5ba2\u6237\u7aef\u9884\u6d4b\u673a\u5236\u548cUDP\u7f51\u7edc\u534f\u8bae\u9009\u62e9\u4e3a\u4f8b, \u8fd9\u4e9b\u8bbe\u8ba1\u5bf9FPS\/TPS\u6e38\u620f\u7684\u6d41\u7545\u6027\u63d0\u5347\u663e\u8457, \u4f46\u5bf9\u4e8e\u5373\u65f6\u6218\u7565(RTS) \u6216\u56de\u5408\u5236\u7b56\u7565(TBS) \u6e38\u620f\u5219\u6548\u679c\u6709\u9650(\u540e\u8005\u66f4\u4f9d\u8d56TCP\u7f51\u7edc\u534f\u8bae\u5b9e\u73b0\u7cbe\u51c6\u7684\u56de\u5408\u5236\u540c\u6b65).<br \/>\n$\\\\$ \u56e0\u6b64, \u300a\u96f7\u795e\u4e4b\u9524\u300b \u5bf9\u300a\u865a\u5e7b\u300b \u7684\u5f71\u54cd, \u4f7f\u5f97\u300a\u96f7\u795e\u4e4b\u9524\u300b \u7684\u6e90\u4ee3\u7801\u4e0e\u67b6\u6784\u6210\u4e3a\u5b66\u4e60\u865a\u5e7b\u5f15\u64ce\u57fa\u7840\u539f\u7406\u7684\u7edd\u4f73\u8d44\u6e90.<\/p>\n<p><strong>2. \u4e24\u90e8\u5206<\/strong><\/p>\n<p>\u865a\u5e7b\u5f15\u64ce\u53ef\u5206\u4e3a\u4e24\u5927\u6838\u5fc3\u7ec4\u4ef6: \u7f16\u8f91\u5668(Editor) \u4e0e\u8fd0\u884c\u65f6\u5f15\u64ce(Runtime Engine). \u7f16\u8f91\u5668\u662f\u4e00\u5957\u7528\u4e8e\u521b\u5efa\u548c\u7f16\u8f91\u6e38\u620f\u5185\u5bb9\u7684\u5de5\u5177\u5957\u4ef6; \u8fd0\u884c\u65f6\u5f15\u64ce\u5219\u662f\u8d1f\u8d23\u5b9e\u9645\u8fd0\u884c\u6e38\u620f\u7684\u6a21\u5757.<br \/>\n$\\\\$ \u4e0e\u5927\u591a\u6570\u5176\u5b83\u6e38\u620f\u5f15\u64ce\u4e0d\u540c, \u865a\u5e7b\u5f15\u64ce\u548c\u96f7\u795e\u4e4b\u9524\u5f15\u64ce(Quake Engine) \u5c06\u5de5\u5177\u5957\u4ef6(\u5982\u865a\u5e7b\u7f16\u8f91\u5668UnrealEd) \u76f4\u63a5\u96c6\u6210\u5230\u8fd0\u884c\u65f6\u5f15\u64ce\u4e2d. \u8fd9\u4e00\u67b6\u6784\u51b3\u7b56\u5e26\u6765\u4e86\u8bf8\u591a\u4f18\u52bf, \u6700\u6838\u5fc3\u7684\u662f\u6e38\u620f\u53ef\u901a\u8fc7PIE(\u5728\u7f16\u8f91\u5668\u4e2d\u8fd0\u884c) \u6a21\u5f0f\u6d41\u7545\u8fd0\u884c, \u4e14\u4e0d\u4f1a\u56e0\u7f16\u8f91\u5668\u73af\u5883\u4ea7\u751f\u6027\u80fd\u635f\u8017. \u8be5\u8bbe\u8ba1\u8fd8\u652f\u6301\u76f4\u63a5\u52a0\u8f7d\u8d44\u6e90\u5185\u5bb9\u5e76\u5b9e\u65f6\u5448\u73b0\u5b8c\u6574\u6548\u679c, \u540c\u65f6\u51cf\u5c11\u7f16\u8f91\u5668\u4e0e\u8fd0\u884c\u65f6\u5f15\u64ce\u95f4\u7684\u4ee3\u7801\u91cd\u590d\u2014\u2014 \u56e0\u4e3a\u7f16\u8f91\u5668\u76f4\u63a5\u590d\u7528\u4e86\u8fd0\u884c\u65f6\u5f15\u64ce\u7684\u4ee3\u7801\u903b\u8f91.<br \/>\n$\\\\$ \u4e0d\u8fc7, \u8fd9\u79cd\u67b6\u6784\u4e5f\u5b58\u5728\u7f3a\u70b9, \u4f8b\u5982\u6587\u4ef6\u9501\u5b9a\u673a\u5236\u4f1a\u963b\u788d\u5f00\u53d1\u8005\u540c\u65f6\u7f16\u8f91\u8d44\u6e90, \u5f71\u54cd\u751f\u4ea7\u6548\u7387. \u5177\u4f53\u7ec6\u8282\u540e\u7eed\u8be6\u8ff0.<\/p>\n<p><strong>2.1 \u8fd0\u884c\u65f6\u5f15\u64ce\u67b6\u6784<\/strong><\/p>\n<p>\u865a\u5e7b\u5f15\u64ce\u4e0e\u5176\u5b83\u8f6f\u4ef6\u7cfb\u7edf\u548c\u6e38\u620f\u5f15\u64ce\u4e00\u6837, \u91c7\u7528\u5206\u5c42\u67b6\u6784\u8bbe\u8ba1. \u901a\u5e38, \u5e95\u5c42\u6a21\u5757\u4e0d\u4f9d\u8d56\u4e0a\u5c42\u6a21\u5757, \u8fd9\u79cd\u8bbe\u8ba1\u907f\u514d\u4e86\u5faa\u73af\u4f9d\u8d56\u95ee\u9898, \u63d0\u5347\u4e86\u7cfb\u7edf\u7684\u6a21\u5757\u5316\u7a0b\u5ea6, \u5e76\u589e\u5f3a\u4e86\u8de8\u5e73\u53f0\u652f\u6301\u80fd\u529b. \u5176\u4e2d\u6700\u5927\u7684\u4f18\u52bf\u4e4b\u4e00\u662f\u4f7f\u4ee3\u7801\u66f4\u6613\u4e8e\u6d4b\u8bd5.<br \/>\n$\\\\$ \u6700\u4e0a\u5c42\u5305\u542b\u77e5\u540d\u7684\u6e38\u620f\u6846\u67b6\u7c7b(\u5982\u73a9\u5bb6\u63a7\u5236\u5668PlayerController\u548c\u6e38\u620f\u6a21\u5f0f\u57fa\u7c7bGameModeBase), \u800c\u8f83\u4f4e\u5c42\u5219\u5305\u542b\u5e73\u53f0\u7279\u5b9a\u7684\u5b9e\u73b0\u6a21\u5757, \u4f8b\u5982Unix\u5e73\u53f0\u8fd0\u884c\u65f6(Runtime\/Unix).<br \/>\n$\\\\$ \u81ea\u9876\u5411\u4e0b, \u865a\u5e7b\u5f15\u64ce\u7684\u5c42\u7ea7\u7ed3\u6784\u5982\u4e0b:<br \/>\n$\\\\$ $\\cdot$ \u6e38\u620f\u7279\u5b9a\u5b50\u7cfb\u7edf(Game-Specific Subsystems);<br \/>\n$\\\\$ $\\cdot$ \u6e38\u620f\u73a9\u6cd5\u57fa\u7840\u6a21\u5757(Gameplay Foundations), \u6e32\u67d3\u7ba1\u7ebf(Rendering), \u6027\u80fd\u5256\u6790\u4e0e\u8c03\u8bd5(Profiling &#038;&#038; Debugging), \u573a\u666f\u56fe\u4e0e\u89c6\u9525\u5254\u9664(Scene Graph \/ Culling), \u89c6\u89c9\u7279\u6548(Visual Effects), \u524d\u7aef\u754c\u9762(Front End), \u9aa8\u9abc\u52a8\u753b\u78b0\u649e\u4e0e\u7269\u7406(Skeletal Animation Collision &#038;&#038; Physics), \u52a8\u753b\u7cfb\u7edf(Animation), \u4eba\u5de5\u667a\u80fd(AI), HID\u97f3\u9891(HID Audio), \u8f93\u5165\u7cfb\u7edf(Input);<br \/>\n$\\\\$ $\\cdot$ \u8d44\u6e90\u7ba1\u7406(Resources \/ Resource Manager);<br \/>\n$\\\\$ $\\cdot$ \u6838\u5fc3\u7cfb\u7edf(Core Systems);<br \/>\n$\\\\$ $\\cdot$ \u5e73\u53f0\u65e0\u5173\u5c42(Platform Independence Layer, \u542b\u7f51\u7edc\u6a21\u5757\u4e0e\u6587\u4ef6\u7cfb\u7edf);<br \/>\n$\\\\$ $\\cdot$ \u7b2c\u4e09\u65b9SDK\u96c6\u6210(3rd Party SDKs, \u5982DirectX, OpenGL, PhysX);<br \/>\n$\\\\$ $\\cdot$ \u64cd\u4f5c\u7cfb\u7edf\u5c42(OS);<br \/>\n$\\\\$ $\\cdot$ \u9a71\u52a8\u5c42(Drivers);<br \/>\n$\\\\$ $\\cdot$ \u786c\u4ef6\u5c42(Hardware).<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.caiqinyi.cn\/wp-content\/uploads\/2025\/09\/runtime_engine_architecture.png\" alt=\"\" width=\"3840\" height=\"2533\" class=\"aligncenter size-full wp-image-4462\" srcset=\"https:\/\/www.caiqinyi.cn\/wp-content\/uploads\/2025\/09\/runtime_engine_architecture.png 3840w, https:\/\/www.caiqinyi.cn\/wp-content\/uploads\/2025\/09\/runtime_engine_architecture-300x198.png 300w, https:\/\/www.caiqinyi.cn\/wp-content\/uploads\/2025\/09\/runtime_engine_architecture-768x507.png 768w, https:\/\/www.caiqinyi.cn\/wp-content\/uploads\/2025\/09\/runtime_engine_architecture-1536x1013.png 1536w, https:\/\/www.caiqinyi.cn\/wp-content\/uploads\/2025\/09\/runtime_engine_architecture-2048x1351.png 2048w\" sizes=\"(max-width: 3840px) 100vw, 3840px\" \/><\/p>\n<p>\u4e3a\u4fdd\u6301\u9879\u76ee\u6a21\u5757\u5316, \u8fd9\u4e9b\u5c42\u7ea7\u4e2d\u7684\u8bb8\u591a\u529f\u80fd(\u4f8b\u5982\u590d\u5236\u56feReplication Graph, \u6e38\u620f\u80fd\u529b\u7cfb\u7edfGameplay Ability System) \u88ab\u62c6\u5206\u4e3a\u53ef\u9009\u63d2\u4ef6.<\/p>\n<p><strong>2.1.1 \u76ee\u6807\u786c\u4ef6\u5c42<\/strong><\/p>\n<p>\u8be5\u5c42\u7ea7\u5177\u6709\u5e73\u53f0\u7279\u5b9a\u6027. \u5c3d\u7ba1\u865a\u5e7b\u5f15\u64ce\u603b\u4f53\u91c7\u7528\u5e73\u53f0\u65e0\u5173\u8bbe\u8ba1, \u4f46\u9488\u5bf9\u4e0d\u540c\u8ba1\u7b97\u673a\u6216\u6e38\u620f\u4e3b\u673a\u7cfb\u7edf\u4ecd\u4f1a\u5305\u542b\u7279\u5b9a\u7684\u5e73\u53f0\u4ee3\u7801\u4e0e\u4f18\u5316\u65b9\u6848. \u4ee5\u300a\u96f7\u795e\u4e4b\u95242\u300b(Quake 2) \u5f15\u64ce\u4e3a\u4f8b, \u5176\u66fe\u9488\u5bf9\u5f53\u65f6\u5e7f\u53d7\u6b22\u8fce\u7684\u82f1\u7279\u5c14\u5954\u817e(Intel Pentium) \u5904\u7406\u5668\u53ca\u5176\u9884\u53d6\u7f13\u5b58\u673a\u5236\u8fdb\u884c\u4e86\u663e\u8457\u7684\u4f18\u5316\u9002\u914d.<\/p>\n<p><strong>2.1.1.1 Apple<\/strong><\/p>\n<p><strong>2.1.1.2 Xbox<\/strong><\/p>\n<p><strong>2.1.1.3 Playstation<\/strong><\/p>\n<p><strong>2.1.1.4 Nintendo<\/strong><\/p>\n<p><strong>2.1.1.5 Mobile<\/strong><\/p>\n<p><strong>2.1.1.6 Web<\/strong><\/p>\n<p><strong>2.1.1.7 VR<\/strong><\/p>\n<p><strong>2.1.2 \u9a71\u52a8\u5c42<\/strong><\/p>\n<p>\u9a71\u52a8\u7a0b\u5e8f\u8d1f\u8d23\u7ba1\u7406\u786c\u4ef6\u8d44\u6e90, \u5e76\u4e3a\u64cd\u4f5c\u7cfb\u7edf\u63d0\u4f9b\u4e00\u4e2a\u63a5\u53e3(\u62bd\u8c61\u5c42), \u4f7f\u5176\u80fd\u591f\u4e0e\u5404\u79cd\u786c\u4ef6\u8bbe\u5907\u7684\u4f17\u591a\u53d8\u4f53\u8fdb\u884c\u4ea4\u4e92.<\/p>\n<p><strong>2.1.3 \u64cd\u4f5c\u7cfb\u7edf\u5c42<\/strong><\/p>\n<p>\u865a\u5e7b\u5f15\u64ce\u7684\u8fd9\u90e8\u5206\u529f\u80fd\u8d1f\u8d23\u5904\u7406\u591a\u4e2a\u5e94\u7528\u7a0b\u5e8f\u5171\u4eab\u786c\u4ef6\u8d44\u6e90\u7684\u5404\u7c7b\u64cd\u4f5c\u7cfb\u7edf. \u5176\u4e2d\u4e00\u4e2a\u662f\u4f60\u7684\u6e38\u620f. \u4e0e\u65e7\u6e38\u620f\u4e3b\u673a\u4e0d\u540c\u2014\u2014 \u65e7\u4e3b\u673a\u4e2d\u6e38\u620f\u53ef&#8221;\u72ec\u5360&#8221; \u6574\u4e2a\u8bbe\u5907\u5e76\u5b8c\u5168\u63a7\u5236\u5185\u5b58\u4e0e\u8ba1\u7b97\u8d44\u6e90, \u73b0\u4ee3\u4e3b\u673a\u548c\u73b0\u4ee3\u64cd\u4f5c\u7cfb\u7edf\u91c7\u7528\u62a2\u5360\u5f0f\u591a\u4efb\u52a1\u5904\u7406, \u5141\u8bb8\u5176\u5b83\u5e94\u7528\u7a0b\u5e8f\u4e0e\u4f60\u7684\u6e38\u620f\u5e76\u884c\u8fd0\u884c(\u4f8b\u5982Xbox Live, Netflix, \u8bed\u97f3\u804a\u5929, \u5546\u5e97\u4e0b\u8f7d), \u8fd9\u4e9b\u5e94\u7528\u53ef\u80fd\u5360\u7528\u7279\u5b9a\u7cfb\u7edf\u8d44\u6e90\u6216\u5b8c\u5168\u6682\u505c\u6e38\u620f(\u5982Xbox\u4eea\u8868\u677f). \u800c\u5728\u5f53\u65f6, \u6b64\u7c7b\u529f\u80fd\u5c42\u8981\u4e48\u4e0d\u5b58\u5728, \u6700\u591a\u4ec5\u9650\u4e8e\u76f4\u63a5\u8bbf\u95ee\u786c\u4ef6\u8d44\u6e90\u7684\u5e93.<br \/>\n$\\\\$ \u8be5\u5c42\u7ea7\u5b58\u5728\u7684\u6838\u5fc3\u539f\u56e0\u5305\u62ec:<br \/>\n$\\\\$ $\\cdot$ \u5b9e\u73b0\u5404\u5e73\u53f0\u7684\u5185\u5b58\u8bbf\u95ee\u4e0e\u8ffd\u8e2a\u673a\u5236: \u4e3a\u4e0d\u540c\u786c\u4ef6\u5e73\u53f0\u5b9a\u5236\u5185\u5b58\u7ba1\u7406\u65b9\u6848, \u786e\u4fdd\u8d44\u6e90\u5206\u914d\u7684\u9ad8\u6548\u6027\u4e0e\u5b89\u5168\u6027.<br \/>\n$\\\\$ $\\cdot$ \u83b7\u53d6\u5e73\u53f0\u652f\u6301\u7279\u6027\u5c5e\u6027: \u4f8b\u5982\u7eb9\u7406\u6d41\u9001(Texture Streaming), \u9ad8\u8d28\u91cf\u5149\u7167\u8d34\u56fe(High Quality Light Maps), \u97f3\u9891\u6d41\u9001(Audio Streaming) \u7b49, \u660e\u786e\u786c\u4ef6\u80fd\u529b\u8fb9\u754c\u4ee5\u4f18\u5316\u529f\u80fd\u5b9e\u73b0.<br \/>\n$\\\\$ $\\cdot$ \u8bbf\u95ee\u5e76\u5c01\u88c5\u5e73\u53f0\u539f\u751fAPI: \u5982\u539f\u5b50\u64cd\u4f5c(Atomics), \u6587\u4ef6I\/O, \u65f6\u95f4\u51fd\u6570\u7b49, \u901a\u8fc7\u62bd\u8c61\u5c42\u7edf\u4e00\u8c03\u7528\u63a5\u53e3, \u5c4f\u853d\u5e95\u5c42\u5dee\u5f02.<br \/>\n$\\\\$ $\\cdot$ \u6267\u884c\u901a\u7528\u5e73\u53f0\u547d\u4ee4: \u4f8b\u5982\u83b7\u53d6\u5c4f\u5e55\u65b9\u5411(get orientation of screen), \u8bc6\u522b\u7f51\u7edc\u7c7b\u578b(get network type), \u652f\u6301\u8de8\u5e73\u53f0\u73af\u5883\u4e0b\u7684\u8bbe\u5907\u72b6\u6001\u611f\u77e5.<br \/>\n$\\\\$ $\\cdot$ \u63d0\u4f9b\u64cd\u4f5c\u7cfb\u7edf\u51fd\u6570\u7684\u5e73\u53f0\u7279\u5b9a\u5b9e\u73b0: \u5982FPlatformProcess::Sleep(\u8fdb\u7a0b\u4f11\u7720), FPlatformProcess::LaunchURL(\u542f\u52a8URL) \u7b49, \u786e\u4fdd\u7cfb\u7edf\u7ea7\u529f\u80fd\u5728\u4e0d\u540c\u5e73\u53f0\u4e0a\u7684\u517c\u5bb9\u6027.<\/p>\n<p><strong>2.1.3.1 Windows<\/strong><\/p>\n<p><strong>2.1.3.1.1 \u7a97\u53e3<\/strong><\/p>\n<p>\u5f15\u64ce\u4ee5\u7a97\u53e3\u542f\u52a8. \u64cd\u4f5c\u7cfb\u7edf\u63d0\u4f9b\u57fa\u7840\u529f\u80fd, \u4f8b\u5982API(\u5982Windows API) \u548c\u7528\u4e8e\u521b\u5efa\u53ca\u7ba1\u7406\u7a97\u53e3\u7684\u56fe\u5f62\u5b50\u7cfb\u7edf. \u56fe\u5f62\u5b50\u7cfb\u7edf\u6307\u4e00\u7ec4\u8f6f\u786c\u4ef6\u7ec4\u4ef6\u6808, \u8d1f\u8d23\u5728\u5c4f\u5e55\u4e0a\u6e32\u67d3\u56fe\u5f62. \u7a97\u53e3\u7ba1\u7406\u5668\u8d1f\u8d23\u5904\u7406\u7a97\u53e3\u7684\u7ed8\u5236, \u5b9a\u4f4d, \u8c03\u6574\u5927\u5c0f\u4ee5\u53ca\u7528\u6237\u4ea4\u4e92\u64cd\u4f5c.<br \/>\n$\\\\$ \u56fe\u5f62\u8bbe\u5907\u63a5\u53e3(GDI) \u901a\u8fc7\u5411\u56fe\u5f62\u9a71\u52a8\u7a0b\u5e8f\u53d1\u9001\u547d\u4ee4\u6765\u521b\u5efa\u56fe\u5f62\u5185\u5bb9. \u56fe\u5f62\u9a71\u52a8\u7a0b\u5e8f\u5219\u5c06GDI\u7684\u547d\u4ee4\u7ffb\u8bd1\u4e3a\u56fe\u5f62\u786c\u4ef6\u80fd\u591f\u7406\u89e3\u7684\u6307\u4ee4. \u6700\u7ec8, \u56fe\u5f62\u786c\u4ef6\u4f5c\u4e3a\u7269\u7406\u7ec4\u4ef6, \u901a\u8fc7\u521b\u5efa\u5e27\u7f13\u51b2\u533a, \u5bf9\u5e27\u7f13\u51b2\u533a\u4e2d\u7684\u6bcf\u4e2a\u50cf\u7d20\u5e94\u7528\u7b97\u6cd5\u5e76\u663e\u793a\u6700\u7ec8\u56fe\u50cf, \u5b9e\u73b0\u5c4f\u5e55\u4e0a\u7684\u56fe\u5f62\u6e32\u67d3.<\/p>\n<p><strong>2.1.3.1.2 \u5165\u53e3\u70b9<\/strong><\/p>\n<p>\u5f15\u64ce\u7684\u5165\u53e3\u70b9\u53d6\u51b3\u4e8e\u5e73\u53f0. \u6bcf\u4e2aWindows\u7a0b\u5e8f\u90fd\u6709\u4e00\u4e2a\u540d\u4e3aWinMain\u7684\u5165\u53e3\u70b9\u51fd\u6570. \u865a\u5e7b\u5f15\u64ce\u5728Windows\u5e73\u53f0\u4e0a\u7684\u5165\u53e3\u70b9(\u4e0e\u6240\u6709\u5176\u5b83\u6e38\u620f\u5f15\u64ce\u4e00\u81f4) \u662f\u5b9a\u4e49\u5728Windows\/LaunchWindows.cpp\u6587\u4ef6\u4e2d\u7684WinMain\u51fd\u6570. \u4f8b\u5982, Quake 2\u5f15\u64ce\u540c\u6837\u62e5\u6709\u8fd9\u4e2a\u540c\u540d\u7684\u51fd\u6570.<br \/>\n$\\\\$ \u6bcf\u4e2a\u652f\u6301\u7684\u5e73\u53f0\u90fd\u6709\u5404\u81ea\u7684\u5165\u53e3\u70b9:<br \/>\n$\\\\$ 1) MacOS: Mac\/LaunchMac.cpp\/INT32_MAIN_INT32_ARGC_TCHAR_ARGV.<br \/>\n$\\\\$ 2) Linux: Linux\/LaunchLinux.cpp\/int main.<br \/>\n$\\\\$ 3) IOS: IOS\/LaunchIOS.cpp\/int main.<\/p>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"C++\" data-enlighter-theme=\"monokai\">\r\n\r\n\/\/ Launch\/Private\/Windows\/LaunchWindows.cpp\r\n\r\n\/\/ Windows specific parameters: HINSTANCE is identification to prevent class name clashing\r\nint32 WINAPI WinMain(_In_ HINSTANCE hInInstance, _In_opt_ HINSTANCE hPrevInstance, _In_ char* pCmdLine, _In_ int32 nCmdShow)\r\n{\r\n\tint32 Result = LaunchWindowsStartup(hInInstance, hPrevInstance, pCmdLine, nCmdShow, nullptr); \/\/ Launch Unreal Engine\r\n\tLaunchWindowsShutdown(); \r\n\treturn Result; \/\/ 0 on success, error level otherwise\r\n}\r\n\r\n<\/pre>\n<p><strong>2.1.3.1.3 \u4e3b\u5f15\u64ce\u5faa\u73af<\/strong><\/p>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"C++\" data-enlighter-theme=\"monokai\">\r\n\r\n\/\/ Runtime\/Launch\/Private\/Launch.cpp\r\n\r\nwhile( !IsEngineExitRequested() )\r\n{\r\n    EngineTick();\r\n}\r\n\r\n<\/pre>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.caiqinyi.cn\/wp-content\/uploads\/2025\/09\/table_files_in_operating_system_layer_for_unreal_windows.png\" alt=\"\" width=\"1076\" height=\"248\" class=\"aligncenter size-full wp-image-4471\" srcset=\"https:\/\/www.caiqinyi.cn\/wp-content\/uploads\/2025\/09\/table_files_in_operating_system_layer_for_unreal_windows.png 1076w, https:\/\/www.caiqinyi.cn\/wp-content\/uploads\/2025\/09\/table_files_in_operating_system_layer_for_unreal_windows-300x69.png 300w, https:\/\/www.caiqinyi.cn\/wp-content\/uploads\/2025\/09\/table_files_in_operating_system_layer_for_unreal_windows-768x177.png 768w\" sizes=\"(max-width: 1076px) 100vw, 1076px\" \/><\/p>\n<p><strong>2.1.3.2 MacOS &#038; iOS<\/strong><\/p>\n<p>\u865a\u5e7b\u5f15\u64ce\u901a\u8fc7Apple\u7684Core Foundation(CF) SDK\u5728Runtime\/Core\/Apple\u76ee\u5f55\u4e0b\u4e0eApple\u5e73\u53f0\u8fdb\u884c\u4ea4\u4e92. Core Foundation\u662fApple\u4e3a\u5176\u64cd\u4f5c\u7cfb\u7edf\u63d0\u4f9b\u7684C\u8bed\u8a00API, \u63d0\u4f9b\u539f\u59cb\u6570\u636e\u7c7b\u578b\u548c\u5305\u88c5\u51fd\u6570(\u5982\u6587\u4ef6I\/O, \u7f51\u7edcI\/O).<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.caiqinyi.cn\/wp-content\/uploads\/2025\/09\/table_files_in_operating_system_layer_for_unreal_apple.png\" alt=\"\" width=\"848\" height=\"1050\" class=\"aligncenter size-full wp-image-4473\" srcset=\"https:\/\/www.caiqinyi.cn\/wp-content\/uploads\/2025\/09\/table_files_in_operating_system_layer_for_unreal_apple.png 848w, https:\/\/www.caiqinyi.cn\/wp-content\/uploads\/2025\/09\/table_files_in_operating_system_layer_for_unreal_apple-242x300.png 242w, https:\/\/www.caiqinyi.cn\/wp-content\/uploads\/2025\/09\/table_files_in_operating_system_layer_for_unreal_apple-768x951.png 768w\" sizes=\"(max-width: 848px) 100vw, 848px\" \/><\/p>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"C++\" data-enlighter-theme=\"monokai\">\r\n\r\n\/\/ Core\/Private\/Apple\/ApplePlatformMemory.cpp\r\n\r\n\/\/ In this file, we keep track of the amount of memory we've allocated for an Unreal app running on an Apple device.\r\n\r\n#include <stdlib.h>                          \/\/ c standard library\r\n#include <objc\/runtime.h>                    \/\/ for inspecting and manipulating Objective-C runtime data structures\r\n#if PLATFORM_IOS && defined(__IPHONE_13_0)   \/\/ Include only for iPhone 13+\r\n#include <os\/proc.h>                         \/\/ in order to call os_proc_available_memory which determines the amount of memory available to the current app (your game running on the iPhone)\r\n#endif                                       \/\/ Only need to include one header specific to iOS 13+.\r\n#include <CoreFoundation\/CFBase.h>           \/\/ Types used from Core Foundation: CFIndex is a typedef for a signed integer type (SInt32) used to represent indices into a CFArray or CFString\r\n                                             \/\/ CFOptionFlags is a typedef for an unsigned integer type (UInt32) used to represent bitfields for passing special allocations into CF funcs.\r\n                                             \/\/ CFAllocatorContext is a struct containing callbacks for allocating, deallocating, and reallocating memory, and for retaining and releasing objects.\r\n\r\n#include \"HAL\/LowLevelMemTracker.h\"          \/\/ for FLowLevelMemTracker in order to track memory allocations\r\n#include \"Apple\/AppleLLM.h\"                  \/\/ Apple's Low-Level Memory Tracker which tracks all allocations from the OS\r\n\r\n\/\/ Skip ~250 lines including functions for memory allocation\r\n\r\nFMalloc* FApplePlatformMemory::BaseAllocator()                        \r\n{\r\n#if ENABLE_LOW_LEVEL_MEM_TRACKER\r\n\tFPlatformMemoryStats MemStats = FApplePlatformMemory::GetStats(); \/\/ FPlatformMemoryStats is the Apple implementation of FPlatformMemoryStats which contains memory numbers on available\/used physical\/virtual memory\r\n\tFLowLevelMemTracker::Get().SetProgramSize(MemStats.UsedPhysical);\r\n#endif\r\n\r\n<\/pre>\n<p><strong>2.1.3.3 Linux<\/strong><\/p>\n<p><strong>2.1.4 \u7b2c\u4e09\u65b9SDK\u5c42<\/strong><\/p>\n<p>\u865a\u5e7b\u5f15\u64ce\u96c6\u6210\u4e86\u591a\u4e2a\u7b2c\u4e09\u65b9\u8f6f\u4ef6\u5f00\u53d1\u5de5\u5177\u5305(SDK), \u5177\u4f53\u5305\u62ec:<br \/>\n$\\\\$ $\\cdot$ Nvidia SDKs:<br \/>\n$\\\\$ $\\quad$ $\\cdot$ CUDA(\u7edf\u4e00\u8ba1\u7b97\u8bbe\u5907\u67b6\u6784): \u7528\u4e8eGPU\u901a\u7528\u8ba1\u7b97\u7684\u5e94\u7528\u7a0b\u5e8f\u63a5\u53e3, \u8def\u5f84: ThirdParty\/NVIDIA\/CUDA;<br \/>\n$\\\\$ $\\quad$ $\\cdot$ GeForce NOW: \u4e91\u6e38\u620f\u670d\u52a1, \u8def\u5f84: Plugins\/Runtime\/Nvidia\/GeForceNOWWrapper;<br \/>\n$\\\\$ $\\quad$ $\\cdot$ GPUDirect: \u4e0eNvidia GPU\u76f4\u63a5\u6570\u636e\u4ea4\u6362, \u8def\u5f84: ThirdPartyNVIDIA\/GPUDirect.<br \/>\n$\\\\$ $\\cdot$ Python: \u652f\u6301\u5f00\u53d1\u8005\u521b\u5efa\u7f16\u8f91\u5668\u5c0f\u90e8\u4ef6, \u8def\u5f84: ThirdParty\/Python3;<br \/>\n$\\\\$ $\\cdot$ Steamworks: \u96c6\u6210Steam\u5728\u7ebf\u670d\u52a1\u529f\u80fd;<br \/>\n$\\\\$ $\\cdot$ Oculus: \u63d0\u4f9bOculus VR\u8bbe\u5907\u652f\u6301;<br \/>\n$\\\\$ $\\cdot$ WebRTC(Web\u5b9e\u65f6\u901a\u4fe1): \u57fa\u4e8eWeb Socket\u5b9e\u73b0\u6d4f\u89c8\u5668\u4e0e\u79fb\u52a8\u5e94\u7528\u95f4\u7684\u5b9e\u65f6\u901a\u4fe1(\u65e0\u9700\u63d2\u4ef6\u6216\u5916\u90e8\u5e94\u7528), \u652f\u6301\u89c6\u9891 \/ \u97f3\u9891 \/ \u6570\u636e\u6d41\u7684\u65e0\u7f1d\u4f20\u8f93, \u9002\u7528\u4e8e\u89c6\u9891\u4f1a\u8bae, \u589e\u5f3a\u73b0\u5b9e\u53ca\u5728\u7ebf\u6e38\u620f\u573a\u666f. \u5728\u865a\u5e7b\u5f15\u64ce\u4e2d, \u8be5\u6280\u672f\u5e7f\u6cdb\u5e94\u7528\u4e8e\u50cf\u7d20\u6d41\u9001(Pixel Streaming)\u2014\u2014 \u901a\u8fc7\u5ba2\u6237\u7aef- \u670d\u52a1\u5668\u6a21\u578b(\u975e\u70b9\u5bf9\u70b9), \u5c06\u670d\u52a1\u5668\u7aef\u6e32\u67d3\u7684\u5f15\u64ce\u5185\u5bb9\u53ca\u97f3\u9891\u7f16\u7801\u540e, \u6d41\u5f0f\u4f20\u8f93\u81f3\u6d4f\u89c8\u5668\u6216\u79fb\u52a8\u5e94\u7528\u7aef\u89e3\u7801, \u65e0\u9700\u5ba2\u6237\u7aef\u914d\u5907\u9ad8\u6027\u80fd\u786c\u4ef6, \u8def\u5f84: ThirdParty\/WebRTC;<br \/>\n$\\\\$ $\\cdot$ SpeedTree: \u7528\u4e8e\u6811\u6728\u751f\u6210\u4e0e\u6e32\u67d3.<br \/>\n$\\\\$ \u5b83\u4eec\u5404\u81ea\u7684\u6e90\u4ee3\u7801\u548c\u9884\u7f16\u8bd1\u7684.lib\u6587\u4ef6(Linux\u4e0b\u4e3a.a\u6587\u4ef6) \u4f4d\u4e8e\u5bf9\u5e94\u6587\u4ef6\u5939\u4e2d. \u7136\u800c, \u5728\u751f\u6210\u9879\u76ee\u6587\u4ef6\u65f6, \u82e5\u672a\u5411GenerateProjectFiles.bat\u811a\u672c\u6dfb\u52a0-THIRDPARTY\u6807\u5fd7, \u8fd9\u4e9b\u6587\u4ef6\u4e0d\u4f1a\u5728\u89e3\u51b3\u65b9\u6848\u8d44\u6e90\u7ba1\u7406\u5668\u4e2d\u663e\u793a. .lib\u6587\u4ef6\u662f\u7f16\u8bd1\u8fc7\u7a0b\u4e2d\u751f\u6210\u7684\u4e2d\u95f4\u5e93, \u7531\u5bf9\u8c61\u6587\u4ef6(\u5373\u4e2d\u95f4SDK\u6e90\u4ee3\u7801\u6587\u4ef6) \u7ec4\u6210, \u540e\u7eed\u4f1a\u88ab\u94fe\u63a5\u5230\u6700\u7ec8\u7684\u53ef\u6267\u884c\u7a0b\u5e8f\u4e2d.<\/p>\n<p><strong>2.1.4.1 \u56fe\u5f62<\/strong><\/p>\n<p>\u865a\u5e7b\u5f15\u64ce\u81f4\u529b\u4e8e\u5b9e\u73b0\u5e73\u53f0\u65e0\u5173\u6027, \u56e0\u6b64\u5c06\u5e95\u5c42GPU\u786c\u4ef6\u901a\u4fe1\u7684\u62bd\u8c61\u5904\u7406\u4ea4\u7531\u56fe\u5f62API(\u5982DirectX\u548cOpenGL) \u5b8c\u6210. \u8fd9\u79cd\u8bbe\u8ba1\u4f7f\u5f15\u64ce\u80fd\u591f\u8de8\u5e73\u53f0\u8fd0\u884c, \u65e0\u9700\u76f4\u63a5\u5904\u7406\u4e0d\u540cGPU\u786c\u4ef6\u7684\u5e95\u5c42\u7ec6\u8282.<\/p>\n<p><strong>2.1.4.1.1 DirectX<\/strong><\/p>\n<p>\u5fae\u8f6f\u76843D\u56fe\u5f62API. DirectX 9, 11\u548c12\u7684SDK\u5206\u522b\u4f4d\u4e8e\u4ee5\u4e0b\u76ee\u5f55: ThirdParty\/Windows\/DX9, ThirdParty\/Windows\/DX11\u548cThirdParty\/Windows\/DX12. \u8fd9\u4e9bSDK\u63d0\u4f9b\u4e86\u5e95\u5c42\u56fe\u5f62\u6e32\u67d3\u63a5\u53e3, \u4f7f\u5f00\u53d1\u8005\u80fd\u591f\u5229\u7528\u4e0d\u540c\u7248\u672c\u7684DirectX\u6280\u672f\u5b9e\u73b0\u9ad8\u6027\u80fd3D\u56fe\u5f62\u5904\u7406, \u540c\u65f6\u4fdd\u6301\u4e0e\u865a\u5e7b\u5f15\u64ce\u5e73\u53f0\u65e0\u5173\u6027\u8bbe\u8ba1\u7684\u517c\u5bb9\u6027.<br \/>\n$\\\\$ \u8fd9\u4e9bSDK\u4e3b\u8981\u7528\u4e8e\u5b9e\u73b0DirectX\u6e32\u67d3\u786c\u4ef6\u63a5\u53e3(RHI), \u5176\u5b83\u529f\u80fd\u8fd8\u5305\u62ec\u7740\u8272\u5668\u7f16\u8bd1. \u4e0eOpenGL\u76f8\u6bd4, DirectX\u63d0\u4f9b\u4e86\u66f4\u9ad8\u5c42\u6b21\u7684\u62bd\u8c61, \u5e76\u5145\u5206\u5229\u7528\u4e86\u5fae\u8f6f\u9488\u5bf9\u786c\u4ef6\u7684\u4f18\u5316\u6280\u672f. \u8fd9\u79cd\u8bbe\u8ba1\u4f7f\u5f00\u53d1\u8005\u80fd\u591f\u66f4\u9ad8\u6548\u5730\u5229\u7528GPU\u8d44\u6e90, \u540c\u65f6\u4fdd\u6301\u4e0e\u865a\u5e7b\u5f15\u64ce\u8de8\u5e73\u53f0\u7279\u6027\u7684\u517c\u5bb9\u6027.<\/p>\n<p><strong>2.1.4.1.2 Vulkan<\/strong><\/p>\n<p>Khronos Group\u63a8\u51fa\u7684Vulkan\u63d0\u4f9b\u4e86\u6bd4DirectX\u548cOpenGL\u66f4\u5e95\u5c42\u7684API, \u5b9e\u73b0\u4e86\u5bf9GPU\u8d44\u6e90\u66f4\u9ad8\u6548\u7684\u5229\u7528. \u6b64\u5916, \u5b83\u652f\u6301\u76f4\u63a5\u5411GPU\u53d1\u9001GPGPU(\u901a\u7528\u8ba1\u7b97GPU) \u6307\u4ee4, \u4f7f\u5f97GPU\u4e0d\u4ec5\u80fd\u5904\u7406\u56fe\u5f62\u6e32\u67d3, \u8fd8\u80fd\u6267\u884c\u901a\u7528\u8ba1\u7b97\u4efb\u52a1, \u4ece\u800c\u5728\u9ad8\u6027\u80fd\u8ba1\u7b97, \u673a\u5668\u5b66\u4e60\u7b49\u573a\u666f\u4e2d\u53d1\u6325\u66f4\u5927\u4ef7\u503c. \u8fd9\u79cd\u4f4e\u5c42\u7ea7API\u8bbe\u8ba1\u8d4b\u4e88\u5f00\u53d1\u8005\u66f4\u7cbe\u7ec6\u7684\u63a7\u5236\u80fd\u529b, \u540c\u65f6\u4fdd\u6301\u4e0e\u73b0\u4ee3\u56fe\u5f62\u786c\u4ef6\u7684\u7d27\u5bc6\u517c\u5bb9\u6027.<\/p>\n<p><strong>2.1.4.1.3 OpenGL<\/strong><\/p>\n<p>\u4f5c\u4e3aVulkan\u7684\u524d\u8eab, OpenGL\u662f\u4e00\u4e2a\u53ef\u79fb\u690d\u76843D\u56fe\u5f62\u8f6f\u4ef6\u5f00\u53d1\u5de5\u5177\u5305(SDK). \u81ea2006\u5e74\u8d77, \u8be5SDK\u7531Khronos Group\u8d1f\u8d23\u7ef4\u62a4, \u4f46\u76ee\u524d\u5df2\u505c\u6b62\u79ef\u6781\u5f00\u53d1, \u5176\u6700\u540e\u4e00\u6b21\u7248\u672c\u53d1\u5e03\u5b9a\u683c\u57282017\u5e74. \u5c3d\u7ba1\u4e0d\u518d\u66f4\u65b0, OpenGL\u51ed\u501f\u5176\u8de8\u5e73\u53f0\u7279\u6027\u548c\u6210\u719f\u7684\u56fe\u5f62\u6e32\u67d3\u80fd\u529b, \u4ecd\u5728\u8bb8\u591a\u4f20\u7edf\u5e94\u7528\u548c\u8de8\u5e73\u53f0\u573a\u666f\u4e2d\u53d1\u6325\u7740\u91cd\u8981\u4f5c\u7528.<br \/>\n$\\\\$ \u6b63\u56e0\u5982\u6b64, \u8bb8\u591a\u73b0\u4ee3GPU\u7684\u6700\u65b0\u6280\u672f\u8fdb\u5c55\u2014\u2014 \u4f8b\u5982\u82f1\u4f1f\u8fbeRTX\u663e\u5361\u7684\u5149\u7ebf\u8ffd\u8e2a\u80fd\u529b\u2014\u2014 \u65e0\u6cd5\u901a\u8fc7OpenGL\u5b9e\u73b0\u652f\u6301, \u53cd\u800c\u7531Vulkan\u63d0\u4f9b\u517c\u5bb9. \u8fd9\u79cd\u6280\u672f\u4ee3\u9645\u5dee\u5f02\u6e90\u4e8eOpenGL\u81ea2017\u5e74\u540e\u505c\u6b62\u4e3b\u52a8\u66f4\u65b0, \u800cVulkan\u4f5c\u4e3a\u5176\u7ee7\u4efb\u8005\u6301\u7eed\u6574\u5408\u4e86\u5305\u62ec\u5149\u7ebf\u8ffd\u8e2a, \u7f51\u683c\u7740\u8272\u5668\u7b49\u5148\u8fdbGPU\u7279\u6027, \u6210\u4e3a\u652f\u6301\u73b0\u4ee3\u56fe\u5f62\u786c\u4ef6\u521b\u65b0\u7684\u6838\u5fc3\u63a5\u53e3\u6807\u51c6.<\/p>\n<p><strong>2.1.4.2 \u7269\u7406\u4e0e\u78b0\u649e<\/strong><\/p>\n<p><strong>2.1.4.2.1 Nvidia PhysX<\/strong><\/p>\n<p><strong>2.1.5 \u5e73\u53f0\u65e0\u5173\u5c42<\/strong><\/p>\n<p>\u865a\u5e7b\u5f15\u64ce\u7684\u5e73\u53f0\u65e0\u5173\u5c42\u88ab\u79f0\u4e3a\u786c\u4ef6\u62bd\u8c61\u5c42(Hardware Abstraction Layer, HAL). \u6240\u6709\u4f4d\u4e8eRuntime\/Core\/Public\/HAL\u8def\u5f84\u4e0b\u7684\u5185\u5bb9\u5747\u5c5e\u4e8e\u8be5\u5c42\u7ea7. \u8be5\u8bbe\u8ba1\u901a\u8fc7\u7edf\u4e00\u5c01\u88c5\u5e95\u5c42\u786c\u4ef6\u5dee\u5f02(\u5982\u5185\u5b58\u7ba1\u7406, \u7ebf\u7a0b\u8c03\u5ea6, \u8f93\u5165\u8bbe\u5907\u9a71\u52a8\u7b49), \u786e\u4fdd\u5f15\u64ce\u6838\u5fc3\u903b\u8f91\u5728Windows, Linux, MacOS, iOS, Android\u7b49\u591a\u5e73\u53f0\u8fd0\u884c\u65f6\u65e0\u9700\u4fee\u6539, \u5b9e\u73b0\u771f\u6b63\u7684\u8de8\u5e73\u53f0\u517c\u5bb9\u6027. HAL\u4f5c\u4e3a\u5e73\u53f0\u65e0\u5173\u5c42\u7684\u6838\u5fc3\u5b9e\u73b0, \u662f\u865a\u5e7b\u5f15\u64ce&#8221;\u4e00\u6b21\u7f16\u5199, \u591a\u5904\u8fd0\u884c&#8221; \u67b6\u6784\u7684\u5173\u952e\u652f\u6491.<\/p>\n<p><strong>2.1.5.1 \u5e73\u53f0\u68c0\u6d4b<\/strong><\/p>\n<p>\u5e73\u53f0\u5934\u6587\u4ef6(Platform.h) \u4e3a\u4e0d\u540c\u5e73\u53f0\u5b9a\u4e49\u4e86\u591a\u91cd\u5934\u6587\u4ef6\u5b88\u536b\u5b8f, \u4f8b\u5982:<br \/>\n$\\\\$ $\\cdot$ PLATFORM_CPU_X86_FAMILY\u7528\u4e8e\u6807\u8bc6x86\u67b6\u6784\u5904\u7406\u5668\u5e73\u53f0;<br \/>\n$\\\\$ $\\cdot$ PLATFORM_CPU_ARM_FAMILY\u7528\u4e8e\u6807\u8bc6ARM\u67b6\u6784\u5904\u7406\u5668\u5e73\u53f0;<br \/>\n$\\\\$ $\\cdot$ PLATFORM_APPLE\u7528\u4e8e\u6807\u8bc6\u82f9\u679c\u8bbe\u5907\u5e73\u53f0(\u5982MacOS \/ iOS).<br \/>\n$\\\\$ \u8fd9\u4e9b\u5b8f\u901a\u8fc7\u6761\u4ef6\u7f16\u8bd1\u5b9e\u73b0\u8de8\u5e73\u53f0\u4ee3\u7801\u7684\u5dee\u5f02\u5316\u5904\u7406. \u800cFPlatformAtomics\u7c7b\u5219\u5c01\u88c5\u4e86\u5e73\u53f0\u76f8\u5173\u7684\u539f\u5b50\u64cd\u4f5c\u5b9e\u73b0\u7ec6\u8282\u2014\u2014 \u5728Windows\u5e73\u53f0\u53ef\u80fd\u8c03\u7528Interlocked\u7cfb\u5217\u51fd\u6570, \u5728Linux\/macOS\u5e73\u53f0\u53ef\u80fd\u4f7f\u7528GCC\/Clang\u5185\u7f6e\u539f\u5b50\u6307\u4ee4, \u5728\u79fb\u52a8\u7aef\u5219\u9002\u914dARM\u5e73\u53f0\u7279\u6709\u7684\u539f\u5b50\u64cd\u4f5c\u6269\u5c55. \u8fd9\u79cd\u8bbe\u8ba1\u786e\u4fdd\u4e86\u5e95\u5c42\u786c\u4ef6\u64cd\u4f5c\u5728\u4e0d\u540c\u67b6\u6784\u548c\u64cd\u4f5c\u7cfb\u7edf\u4e0a\u7684\u6b63\u786e\u6027\u4e0e\u9ad8\u6548\u6027, \u662f\u8de8\u5e73\u53f0\u5f15\u64ce\u5b9e\u73b0\u7ebf\u7a0b\u5b89\u5168, \u5185\u5b58\u540c\u6b65\u7b49\u5173\u952e\u7279\u6027\u7684\u57fa\u77f3.<\/p>\n<p><strong>2.1.5.2 \u539f\u59cb\u6570\u636e\u7c7b\u578b<\/strong><\/p>\n<p><strong>2.1.5.3 \u539f\u59cb\u6570\u636e\u7c7b\u578b<\/strong><\/p>\n<p><strong>2.1.5.4 \u96c6\u5408\u4e0e\u8fed\u4ee3\u5668<\/strong><\/p>\n<p><strong>2.1.5.5 \u6587\u4ef6\u7cfb\u7edf<\/strong><\/p>\n<p><strong>2.1.5.5 \u7f51\u7edc<\/strong><\/p>\n<p>\u521d\u4ee3\u300a\u865a\u5e7b\u300b \u6e38\u620f\u53d1\u5e03\u65f6, \u5176\u591a\u4eba\u8054\u7f51\u5c42\u57fa\u4e8e\u7528\u6237\u6570\u636e\u62a5\u534f\u8bae(UDP) \u6784\u5efa, \u4f5c\u4e3a\u9009\u5b9a\u7684\u4f20\u8f93\u5c42, \u8fd9\u4e00\u8bbe\u8ba1\u501f\u9274\u4e86\u7ade\u4e89\u5bf9\u624b\u300a\u96f7\u795e\u4e4b\u9524\u300b(Quake) \u7684\u7ecf\u9a8c. \u9009\u62e9UDP\u800c\u975e\u4f20\u8f93\u63a7\u5236\u534f\u8bae(TCP), \u4e3b\u8981\u6e90\u4e8e\u5176\u4e24\u5927\u7279\u6027:<br \/>\n$\\\\$ $\\cdot$ \u4f4e\u5ef6\u8fdf\u4f18\u52bf\u2014\u2014 UDP\u65e0\u9700\u5efa\u7acb\u8fde\u63a5(\u5982TCP\u7684\u4e09\u6b21\u63e1\u624b), \u6570\u636e\u5305\u62a5\u5934\u66f4\u5c0f(\u4ec5\u5305\u542b\u6e90\u7aef\u53e3, \u76ee\u6807\u7aef\u53e3, \u957f\u5ea6\u548c\u6821\u9a8c\u548c), \u51cf\u5c11\u4e86\u4f20\u8f93\u5f00\u9500, \u9002\u5408\u9700\u8981\u5feb\u901f\u54cd\u5e94\u7684\u591a\u4eba\u6e38\u620f\u573a\u666f;<br \/>\n$\\\\$ $\\cdot$ \u7cbe\u7ec6\u63a7\u5236\u80fd\u529b\u2014\u2014 \u5f00\u53d1\u8005\u53ef\u76f4\u63a5\u64cd\u4f5c\u6570\u636e\u5305\u53d1\u9001\u65f6\u673a, \u91cd\u4f20\u7b56\u7565\u53ca\u4f18\u5148\u7ea7\u6392\u5e8f, \u907f\u514dTCP\u56e0\u62e5\u585e\u63a7\u5236, \u81ea\u52a8\u91cd\u4f20\u5bfc\u81f4\u7684\u5ef6\u8fdf\u6ce2\u52a8.<br \/>\n$\\\\$ \u7136\u800c, UDP\u7684&#8221;\u4e0d\u53ef\u9760\u6027&#8221; \u4ea6\u9700\u660e\u786e: \u5b83\u4e0d\u4fdd\u8bc1\u6570\u636e\u5305100%\u9001\u8fbe(\u53ef\u80fd\u4e22\u5931), \u4e5f\u4e0d\u4fdd\u8bc1\u5230\u8fbe\u987a\u5e8f(\u53ef\u80fd\u4e71\u5e8f). \u8fd9\u79cd\u8bbe\u8ba1\u53d6\u820d\u5728\u7ade\u6280\u6e38\u620f\u4e2d\u5c24\u4e3a\u5173\u952e\u2014\u2014 \u4f8b\u5982\u300aCS:GO\u300b \u6216\u300aApex\u82f1\u96c4\u300b \u4e2d, \u73a9\u5bb6\u66f4\u5728\u610f&#8221;\u5373\u65f6\u5f00\u706b&#8221; \u800c\u975e&#8221;\u7edd\u5bf9\u53ef\u9760\u4f20\u8f93&#8221;, \u56e0\u4e3a\u5c11\u91cf\u4e22\u5305\u53ef\u901a\u8fc7\u6e38\u620f\u903b\u8f91\u8865\u507f(\u5982\u63d2\u503c\u9884\u6d4b, \u72b6\u6001\u540c\u6b65), \u800c\u9ad8\u5ef6\u8fdf\u5219\u76f4\u63a5\u7834\u574f\u64cd\u4f5c\u624b\u611f.<br \/>\n$\\\\$ \u865a\u5e7b\u5f15\u64ce\u540e\u7eed\u7684\u8054\u7f51\u5c42\u867d\u652f\u6301TCP \/ UDP\u6df7\u5408\u6a21\u5f0f, \u4f46\u521d\u4ee3\u9009\u62e9UDP\u7684\u51b3\u7b56\u6df1\u523b\u5f71\u54cd\u4e86\u540e\u7eed\u591a\u4eba\u6e38\u620f\u6846\u67b6\u7684\u8bbe\u8ba1\u54f2\u5b66\u2014\u2014 \u5728&#8221;\u53ef\u9760\u6027&#8221; \u4e0e&#8221;\u6027\u80fd&#8221; \u95f4\u5bfb\u627e\u5e73\u8861, \u6210\u4e3a\u5b9e\u65f6\u4e92\u52a8\u5e94\u7528\u7684\u6838\u5fc3\u6280\u672f\u547d\u9898.<br \/>\n$\\\\$ \u800cTCP\u534f\u8bae\u5219\u91c7\u7528\u5b8c\u5168\u4e0d\u540c\u7684\u673a\u5236: \u5f53\u6570\u636e\u5305\u4e22\u5931\u65f6, TCP\u4f1a\u89e6\u53d1\u91cd\u4f20\u673a\u5236; \u540c\u65f6\u6bcf\u4e2a\u6570\u636e\u5305\u643a\u5e26\u989d\u5916\u5934\u90e8\u4fe1\u606f\u4ee5\u7ef4\u6301\u4e25\u683c\u987a\u5e8f. \u8fd9\u79cd\u8bbe\u8ba1\u4ea7\u751f\u7684\u989d\u5916\u5f00\u9500, \u5bf9\u4e8e\u5ef6\u8fdf\u5bb9\u5fcd\u5ea6\u6781\u4f4e\u7684FPS\u6e38\u620f\u800c\u8a00\u5b8c\u5168\u4e0d\u53ef\u63a5\u53d7.<br \/>\n$\\\\$ TCP\u5728FPS\u6e38\u620f\u4e2d\u6700\u4e25\u91cd\u7684\u5f0a\u7aef\u4f53\u73b0\u5728\u4f18\u5148\u7ea7\u5904\u7406\u903b\u8f91\u4e0a\u2014\u2014 \u5373\u4f7f\u9ad8\u4f18\u5148\u7ea7\u6570\u636e\u5305(\u5982\u72d9\u51fb\u67aa\u5f00\u706b\u6307\u4ee4) \u5df2\u5c31\u7eea, TCP\u4ecd\u53ef\u80fd\u56e0\u91cd\u4f20\u4f4e\u4f18\u5148\u7ea7\u4e22\u5931\u5305(\u5982\u8bed\u97f3\u804a\u5929VOIP\u6570\u636e) \u800c\u5ef6\u8fdf\u53d1\u9001. \u4f8b\u5982: \u5f53\u73a9\u5bb6\u6263\u52a8\u72d9\u51fb\u67aa\u6273\u673a\u65f6, \u82e5TCP\u6b63\u5728\u7b49\u5f85\u4e4b\u524d\u4e22\u5931\u7684\u8bed\u97f3\u6570\u636e\u5305\u91cd\u4f20\u786e\u8ba4, \u8be5\u5173\u952e\u5c04\u51fb\u6307\u4ee4\u4f1a\u88ab\u8feb\u6392\u961f\u7b49\u5f85, \u5bfc\u81f4\u73a9\u5bb6\u5b9e\u9645\u611f\u53d7\u5230\u7684&#8221;\u5f00\u706b\u5ef6\u8fdf&#8221; \u8fdc\u8d85\u7269\u7406\u7f51\u7edc\u5ef6\u8fdf. \u8fd9\u79cd&#8221;\u4f18\u5148\u7ea7\u5012\u7f6e&#8221; \u73b0\u8c61\u5728\u7ade\u6280\u7c7b\u6e38\u620f\u4e2d\u4f1a\u76f4\u63a5\u7834\u574f\u64cd\u4f5c\u5373\u65f6\u6027, \u6210\u4e3a\u5f71\u54cd\u6e38\u620f\u4f53\u9a8c\u7684\u6838\u5fc3\u6280\u672f\u7f3a\u9677.<br \/>\n$\\\\$ \u56e0\u6b64, \u5b9e\u65f6\u591a\u4eba\u6e38\u620f\u6846\u67b6\u666e\u904d\u91c7\u7528UDP\u4f5c\u4e3a\u57fa\u7840\u4f20\u8f93\u5c42, \u5e76\u901a\u8fc7\u81ea\u5b9a\u4e49\u53ef\u9760\u5c42(\u5982QUIC\u534f\u8bae, \u81ea\u5b9a\u4e49\u5e8f\u5217\u5316\u4e0e\u91cd\u4f20\u7b56\u7565) \u5728\u4fdd\u7559UDP\u4f4e\u5ef6\u8fdf\u7279\u6027\u7684\u540c\u65f6, \u9488\u5bf9\u6027\u89e3\u51b3\u4e22\u5305\u8865\u507f\u4e0e\u987a\u5e8f\u63a7\u5236\u95ee\u9898, \u5b9e\u73b0&#8221;\u53ef\u9760\u6027&#8221; \u4e0e&#8221;\u6027\u80fd&#8221; \u7684\u7cbe\u51c6\u5e73\u8861.<br \/>\n$\\\\$ \u865a\u5e7b\u5f15\u64ce\u5b9e\u73b0\u4e86\u5176\u81ea\u5b9a\u4e49\u7f51\u7edc\u534f\u8bae\u2014\u2014 \u865a\u5e7b\u6570\u636e\u62a5\u534f\u8bae(Unreal Datagram Protocol, UDPG). \u8be5\u534f\u8bae\u57fa\u4e8e\u7528\u6237\u6570\u636e\u62a5\u534f\u8bae(UDP) \u6784\u5efa, \u4e13\u95e8\u9488\u5bf9UDP\u539f\u751f\u5b58\u5728\u7684\u4e24\u5927\u4e0d\u53ef\u9760\u6027\u95ee\u9898\u63d0\u4f9b\u89e3\u51b3\u65b9\u6848:<br \/>\n$\\\\$ $\\cdot$ \u4e22\u5305\u8865\u507f: \u901a\u8fc7\u81ea\u5b9a\u4e49\u91cd\u4f20\u673a\u5236\u4fee\u590d\u56e0\u7f51\u7edc\u6ce2\u52a8\u5bfc\u81f4\u7684\u6570\u636e\u5305\u4e22\u5931;<br \/>\n$\\\\$ $\\cdot$ \u4e71\u5e8f\u77eb\u6b63: \u5229\u7528\u5e8f\u5217\u53f7\u6807\u8bb0\u4e0e\u52a8\u6001\u6392\u5e8f\u7b97\u6cd5, \u786e\u4fdd\u975e\u987a\u5e8f\u5230\u8fbe\u7684\u6570\u636e\u5305\u4ecd\u80fd\u6309\u6b63\u786e\u903b\u8f91\u91cd\u7ec4.<br \/>\n$\\\\$ \u8fd9\u79cd\u8bbe\u8ba1\u4f7fUDPG\u5728\u4fdd\u7559UDP\u4f4e\u5ef6\u8fdf\u7279\u6027\u7684\u540c\u65f6, \u5b9e\u73b0\u4e86\u7c7b\u4f3cTCP\u7684\u53ef\u9760\u6027\u4fdd\u969c\u2014\u2014 \u4f8b\u5982\u5728FPS\u6e38\u620f\u4e2d, \u65e2\u907f\u514d\u4e86TCP\u56e0\u91cd\u4f20\u4f4e\u4f18\u5148\u7ea7\u5305\u5bfc\u81f4\u9ad8\u4f18\u5148\u7ea7\u6307\u4ee4\u5ef6\u8fdf\u7684\u95ee\u9898, \u53c8\u901a\u8fc7\u667a\u80fd\u91cd\u4f20\u7b56\u7565\u786e\u4fdd\u5c04\u51fb, \u79fb\u52a8\u7b49\u5173\u952e\u64cd\u4f5c\u7684\u5b9e\u65f6\u6027\u4e0e\u51c6\u786e\u6027, \u6210\u4e3a\u865a\u5e7b\u5f15\u64ce\u591a\u4eba\u6e38\u620f\u6846\u67b6\u5b9e\u73b0&#8221;\u9ad8\u6027\u80fd\u53ef\u9760\u4f20\u8f93&#8221; \u7684\u6838\u5fc3\u6280\u672f\u652f\u67f1.<br \/>\n$\\\\$ Tribes\u7f51\u7edc\u6a21\u578b\u4e0e\u865a\u5e7b\u5f15\u64ce(UE) \u7f51\u7edc\u6a21\u578b\u9ad8\u5ea6\u76f8\u4f3c, \u9605\u8bfb\u8fd9\u7bc7\u8bba\u6587\u80fd\u8ba9\u4f60\u5feb\u901f\u7406\u89e3\u5176\u6838\u5fc3\u8bbe\u8ba1\u903b\u8f91. \u8bba\u6587\u94fe\u63a5: https:\/\/archive.org\/details\/tribes-networking-model.<br \/>\n$\\\\$ \u8be5\u8bba\u6587\u8be6\u7ec6\u9610\u8ff0\u4e86\u4e00\u79cd\u7f51\u7edc\u67b6\u6784\u54f2\u5b66\u2014\u2014 \u901a\u8fc7UDP\u534f\u8bae\u57fa\u7840 + \u81ea\u5b9a\u4e49\u53ef\u9760\u5c42\u5b9e\u73b0\u4f4e\u5ef6\u8fdf\u9ad8\u53ef\u9760\u6027\u4f20\u8f93, \u4e0e\u865a\u5e7b\u5f15\u64ce\u7684UDPG(Unreal Datagram Protocol) \u8bbe\u8ba1\u601d\u8def\u4e00\u8109\u76f8\u627f. \u4e24\u8005\u5747\u901a\u8fc7\u667a\u80fd\u5e8f\u5217\u5316, \u52a8\u6001\u4f18\u5148\u7ea7\u6392\u5e8f, \u9009\u62e9\u6027\u91cd\u4f20\u7b49\u6280\u672f, \u5728\u4fdd\u7559UDP\u4f4e\u5f00\u9500\u7279\u6027\u7684\u540c\u65f6, \u89e3\u51b3\u4e86\u4e22\u5305\u8865\u507f\u4e0e\u4e71\u5e8f\u77eb\u6b63\u95ee\u9898, \u4e3a\u591a\u4eba\u7ade\u6280\u6e38\u620f\u63d0\u4f9b\u4e86&#8221;\u9ad8\u6027\u80fd\u53ef\u9760\u4f20\u8f93&#8221; \u7684\u6807\u6746\u65b9\u6848.<br \/>\n$\\\\$ \u9605\u8bfb\u8be5\u8bba\u6587\u53ef\u6df1\u5165\u7406\u89e3\u4e3a\u4f55\u5b9e\u65f6\u591a\u4eba\u6e38\u620f\u666e\u904d\u9009\u62e9&#8221;UDP + \u81ea\u5b9a\u4e49\u53ef\u9760\u5c42&#8221; \u800c\u975e\u7eafTCP\u7684\u67b6\u6784\u51b3\u7b56, \u4ee5\u53ca\u8fd9\u79cd\u8bbe\u8ba1\u5982\u4f55\u5e73\u8861\u5ef6\u8fdf\u654f\u611f\u6027\u4e0e\u6570\u636e\u5b8c\u6574\u6027\u9700\u6c42.<br \/>\n$\\\\$ \u76f8\u5173\u6587\u4ef6: UdpMessaging\/Private\/Transport\/UdpMessageProcessor.h.<\/p>\n<p><strong>2.1.5.5.1 \u5ba2\u6237\u7aef\u9884\u6d4b<\/strong><\/p>\n<p>\u63d0\u4f9b\u4e0a\u4e0b\u6587\u4e0e\u5386\u53f2\u80cc\u666f: \u539f\u59cb\u7248\u300a\u96f7\u795e\u4e4b\u95241\u300b(Quake 1) \u91c7\u7528\u5ba2\u6237\u7aef- \u670d\u52a1\u5668\u7f51\u7edc\u62d3\u6251\u67b6\u6784, \u5e76\u57fa\u4e8eDumb Terminal\u7f51\u7edc\u6a21\u578b\u2014\u2014 \u6240\u6709\u6e38\u620f\u6a21\u62df\u5747\u7531\u670d\u52a1\u5668\u7aef\u5b8c\u6210. \u8be5\u8bbe\u8ba1\u4e2d\u4e0d\u5b58\u5728\u5ba2\u6237\u7aef\u9884\u6d4b, \u822a\u4f4d\u63a8\u6d4b\u6216\u4efb\u4f55\u5f62\u5f0f\u7684\u5ef6\u8fdf\u8865\u507f\u673a\u5236, \u4ec5\u4f9d\u8d56\u57fa\u7840\u540c\u6b65. \u5c3d\u7ba1\u8fd9\u79cd\u8bbe\u8ba1\u51cf\u5c11\u4e86\u4f5c\u5f0a\u9014\u5f84, \u4f46\u5bfc\u81f4\u4e86\u7cdf\u7cd5\u7684\u73a9\u5bb6\u4f53\u9a8c. \u5177\u4f53\u8868\u73b0\u4e3a\u73a9\u5bb6\u79fb\u52a8\u89d2\u8272\u65f6, \u9700\u7ecf\u5386\u4ee5\u4e0b\u5b8c\u6574\u6d41\u7a0b:<br \/>\n$\\\\$ 1) \u672c\u5730\u8f93\u5165\u53d1\u9001: \u73a9\u5bb6\u64cd\u4f5c(\u5982\u79fb\u52a8) \u89e6\u53d1\u672c\u5730\u6e38\u620f\u5ba2\u6237\u7aef\u5411\u670d\u52a1\u5668\u53d1\u9001\u5305\u542b\u8f93\u5165\u6307\u4ee4\u7684\u6570\u636e\u5305;<br \/>\n$\\\\$ 2) \u4e0a\u884c\u5ef6\u8fdf: \u6570\u636e\u5305\u4f20\u8f93\u81f3\u670d\u52a1\u5668\u9700\u8017\u65f650ms(\u5047\u8bbe\u503c);<br \/>\n$\\\\$ 3) \u670d\u52a1\u5668\u5904\u7406: \u670d\u52a1\u5668\u63a5\u6536\u5ba2\u6237\u7aef\u6570\u636e\u5305\u540e\u66f4\u65b0\u89d2\u8272\u4f4d\u7f6e\u72b6\u6001;<br \/>\n$\\\\$ 4) \u4e0b\u884c\u540c\u6b65: \u670d\u52a1\u5668\u5c06\u66f4\u65b0\u540e\u7684\u89d2\u8272\u4f4d\u7f6e\u6253\u5305\u53d1\u9001\u81f3\u5ba2\u6237\u7aef;<br \/>\n$\\\\$ 5) \u4e0b\u884c\u5ef6\u8fdf: \u6570\u636e\u5305\u56de\u4f20\u81f3\u5ba2\u6237\u7aef\u9700\u8017\u65f650ms(\u5b9e\u9645\u4e2d\u4e24\u7aef\u5ef6\u8fdf\u901a\u5e38\u4e0d\u5bf9\u79f0);<br \/>\n$\\\\$ 6) \u5ba2\u6237\u7aef\u66f4\u65b0: \u5ba2\u6237\u7aef\u63a5\u6536\u670d\u52a1\u5668\u540c\u6b65\u5305\u540e, \u6700\u7ec8\u66f4\u65b0\u89d2\u8272\u5728\u672c\u5730\u72b6\u6001\u4e2d\u7684\u4f4d\u7f6e.<br \/>\n$\\\\$ \u81f3\u6b64\u65f6, \u5ba2\u6237\u7aef\u751a\u81f3\u9700\u8981\u7ecf\u5386100\u6beb\u79d2\u7684\u5f80\u8fd4\u65f6\u95f4(RTT) \u624d\u80fd\u66f4\u65b0\u6e38\u620f\u4e2d\u7684\u4f4d\u7f6e. \u66f4\u7cdf\u7cd5\u7684\u662f, \u5ba2\u6237\u7aef\u73b0\u5728\u6bd4\u670d\u52a1\u5668\u843d\u540e50\u6beb\u79d2(\u5373\u534a\u7a0b\u5f80\u8fd4\u65f6\u95f4). \u8fd9\u5bfc\u81f4\u73a9\u5bb6\u4f1a\u611f\u53d7\u5230\u660e\u663e\u7684\u64cd\u4f5c\u5ef6\u8fdf\u2014\u2014 \u4ee560\u5e27\u6bcf\u79d2(\u6bcf\u5e27\u7ea616.7\u6beb\u79d2) \u7684\u6e32\u67d3\u901f\u5ea6\u8ba1\u7b97, \u5f53\u73a9\u5bb6\u6700\u7ec8\u770b\u5230\u89d2\u8272\u79fb\u52a8\u65f6, \u672c\u5730\u5df2\u6e32\u67d3\u4e866\u5e27\u753b\u9762!<br \/>\n$\\\\$ \u57281996\u5e74\u300a\u96f7\u795e\u4e4b\u95241\u300b \u7684\u591a\u4eba\u6e38\u620f\u66f4\u65b0\u300a\u96f7\u795e\u4e16\u754c\u300b(Quake World) \u4e2d, \u7ea6\u7ff0\u00b7\u5361\u9a6c\u514b(John Carmack) \u5bf9\u73a9\u5bb6\u4f53\u9a8c\u8fdb\u884c\u4e86\u9769\u547d\u6027\u6539\u8fdb, \u8fd9\u4e9b\u521b\u65b0\u6c38\u4e45\u6539\u53d8\u4e86\u591a\u4eba\u6e38\u620f\u7684\u5f62\u6001, \u5e76\u6df1\u523b\u5f71\u54cd\u4e86\u81f3\u4eca\u7684\u6e38\u620f\u7f51\u7edc\u6a21\u578b(\u5305\u62ec\u865a\u5e7b\u5f15\u64ce\u5728\u5185\u7684\u4f17\u591a\u4f5c\u54c1\u5747\u53d7\u5176\u542f\u53d1). \u4ed6\u9996\u6b21\u5f15\u5165\u4e86\u5ba2\u6237\u7aef\u9884\u6d4b\u6280\u672f:<br \/>\n$\\\\$ \u5ba2\u6237\u7aef\u4e0d\u518d\u88ab\u52a8\u7b49\u5f85\u5b8c\u6574\u7684\u5f80\u8fd4\u65f6\u95f4(\u5982100ms) \u6765\u66f4\u65b0\u672c\u5730\u89d2\u8272\u4f4d\u7f6e, \u800c\u662f\u4e3b\u52a8\u8fd0\u884c\u672c\u5730\u79fb\u52a8\u6a21\u62df. \u5177\u4f53\u5b9e\u73b0\u903b\u8f91\u5982\u4e0b:<br \/>\n$\\\\$ 1) \u672c\u5730\u9884\u6f14: \u5ba2\u6237\u7aef\u57fa\u4e8e\u73a9\u5bb6\u8f93\u5165\u7acb\u5373\u6267\u884c\u79fb\u52a8\u8ba1\u7b97, \u5b9e\u65f6\u6e32\u67d3\u9884\u6d4b\u7ed3\u679c, \u5b9e\u73b0&#8221;\u5373\u70b9\u5373\u52a8&#8221; \u7684\u5373\u65f6\u53cd\u9988;<br \/>\n$\\\\$ 2) \u6743\u5a01\u6821\u6b63: \u5f53\u6536\u5230\u670d\u52a1\u5668\u4e0b\u53d1\u7684\u6743\u5a01\u72b6\u6001\u6570\u636e\u5305\u65f6, \u5ba2\u6237\u7aef\u901a\u8fc7\u4f4d\u7f6e\u63d2\u503c\u5e73\u6ed1\u8fc7\u6e21\u9884\u6d4b\u4f4d\u7f6e\u4e0e\u670d\u52a1\u5668\u4f4d\u7f6e\u7684\u5dee\u5f02, \u907f\u514d\u89c6\u89c9\u8df3\u53d8;<br \/>\n$\\\\$ 3) \u4e00\u81f4\u6027\u4fdd\u969c: \u7531\u4e8e\u5ba2\u6237\u7aef\u4e0e\u670d\u52a1\u5668\u91c7\u7528\u76f8\u540c\u7684\u79fb\u52a8\u903b\u8f91\u4ee3\u7801, \u5728\u7406\u60f3\u7f51\u7edc\u73af\u5883\u4e0b, \u9884\u6d4b\u8f68\u8ff9\u4e0e\u670d\u52a1\u5668\u8ba1\u7b97\u7ed3\u679c\u9ad8\u5ea6\u543b\u5408, \u504f\u5dee\u6781\u5c0f.<br \/>\n$\\\\$ 1998\u5e745\u6708\u865a\u5e7b\u5f15\u64ce\u95ee\u4e16, \u5176\u7f51\u7edc\u67b6\u6784\u4e0eQuake\u5f15\u64ce\u9ad8\u5ea6\u76f8\u4f3c.<\/p>\n<p><strong>2.1.5.5.2 \u50cf\u7d20\u6d41\u9001<\/strong><\/p>\n<p>\u8be5\u6280\u672f\u901a\u8fc7WebRTC(Web\u5b9e\u65f6\u901a\u4fe1) \u534f\u8bae, \u5728\u670d\u52a1\u5668- \u5ba2\u6237\u7aef\u6a21\u578b\u4e0b\u5b9e\u65f6\u5c06Unreal Engine\u6e32\u67d3\u5185\u5bb9\u6d41\u5f0f\u4f20\u8f93\u81f3\u8fdc\u7a0b\u5ba2\u6237\u7aef. \u5177\u4f53\u5b9e\u73b0\u903b\u8f91\u5982\u4e0b:<br \/>\n$\\\\$ $\\cdot$ \u4e91\u7aef\u6e32\u67d3\u67b6\u6784: \u4e91\u670d\u52a1\u5668(\u5982AWS Tesla T4 GPU\u5b9e\u4f8b) \u8fd0\u884cHeadless\u6a21\u5f0f\u7684Unreal Engine, \u5229\u7528GPU\u8fdb\u884c\u5b9e\u65f63D\u6e32\u67d3;<br \/>\n$\\\\$ $\\cdot$ \u786c\u4ef6\u7f16\u7801\u52a0\u901f: \u91c7\u7528NVIDIA NVENC\u786c\u4ef6\u7f16\u7801\u5668\u5c06\u6e32\u67d3\u5e27\u4e0e\u97f3\u9891\u538b\u7f29\u4e3aH.264\u89c6\u9891\u6d41, \u964d\u4f4eCPU\u8d1f\u8f7d\u5e76\u4f18\u5316\u4f20\u8f93\u6548\u7387;<br \/>\n$\\\\$ $\\cdot$ \u5ba2\u6237\u7aef\u514d\u63d2\u4ef6\u4ea4\u4e92: \u5ba2\u6237\u7aef\u901a\u8fc7\u6d4f\u89c8\u5668\u76f4\u63a5\u63a5\u6536\u5e76\u89e3\u7801\u6d41\u5a92\u4f53, \u5b9e\u73b0\u753b\u9762\u4e0e\u97f3\u9891\u7684\u5b9e\u65f6\u5448\u73b0, \u65e0\u9700\u5b89\u88c5\u989d\u5916\u63d2\u4ef6, \u5916\u90e8\u5e94\u7528\u6216\u4f9d\u8d56\u672c\u5730\u9ad8\u6027\u80fd\u786c\u4ef6;<br \/>\n$\\\\$ $\\cdot$ \u4f4e\u5ef6\u8fdf\u4f20\u8f93: \u57fa\u4e8eWebRTC\u7684P2P\u8fde\u63a5\u7279\u6027, \u7ed3\u5408STUN\/TURN\u670d\u52a1\u5668\u7a7f\u900fNAT\u7f51\u7edc, \u786e\u4fdd\u7aef\u5230\u7aef\u5ef6\u8fdf\u63a7\u5236\u5728\u5408\u7406\u8303\u56f4, \u652f\u6301\u952e\u76d8, \u9f20\u6807, \u89e6\u6478\u5c4f\u7b49\u8f93\u5165\u8bbe\u5907\u7684\u5b9e\u65f6\u4ea4\u4e92.<br \/>\n$\\\\$ \u6280\u672f\u4f18\u52bf\u4e0e\u884c\u4e1a\u4ef7\u503c: \u8be5\u65b9\u6848\u7a81\u7834\u4e86\u4f20\u7edf\u672c\u5730\u6e32\u67d3\u7684\u786c\u4ef6\u9650\u5236, \u4f7f\u4f4e\u914d\u8bbe\u5907\u4e5f\u80fd\u6d41\u7545\u8fd0\u884c\u9ad8\u753b\u8d283D\u5e94\u7528. \u5728\u4e91\u6e38\u620f, \u6570\u5b57\u5b6a\u751f, \u865a\u62df\u5c55\u5385, \u8fdc\u7a0b\u534f\u4f5c\u7b49\u573a\u666f\u4e2d, \u5b9e\u73b0\u4e86&#8221;\u5f00\u7bb1\u5373\u7528&#8221; \u7684\u8de8\u5e73\u53f0\u6c89\u6d78\u5f0f\u4f53\u9a8c, \u6210\u4e3a5G \/ \u4e91\u65f6\u4ee3\u5b9e\u65f6\u4ea4\u4e92\u6280\u672f\u7684\u6838\u5fc3\u57fa\u7840\u8bbe\u65bd.<\/p>\n<p><strong>2.1.5.6 \u9ad8\u5206\u8fa8\u7387\u8ba1\u65f6\u5668<\/strong><\/p>\n<p><strong>2.1.5.7 \u7ebf\u7a0b\u5e93<\/strong><\/p>\n<p>\u865a\u5e7b\u5f15\u64ce\u901a\u8fc7\u5229\u7528\u73b0\u4ee3CPU\u7684\u591a\u6838\u67b6\u6784, \u5e76\u7ed3\u5408\u7ebf\u7a0b\u5e93\u7684\u4f7f\u7528, \u63d0\u5347\u4e86\u5176\u5e94\u7528\u7a0b\u5e8f\u7684\u6027\u80fd\u8868\u73b0.<\/p>\n<p><strong>2.1.5.7.1 \u7ebf\u7a0b<\/strong><\/p>\n<p>\u7ebf\u7a0b\u662f\u4ee3\u8868\u8fdb\u7a0b\u7ec4\u6210\u90e8\u5206\u7684\u7406\u8bba\u6982\u5ff5. \u8fdb\u7a0b\u662f\u8d44\u6e90\u5355\u4f4d, \u800c\u7ebf\u7a0b\u662f\u8c03\u5ea6\u4e0e\u6267\u884c\u5355\u4f4d. \u53ef\u5c06\u5176\u7c7b\u6bd4\u4e3a\u68c9\u7ebf\u2014\u2014 \u4e00\u79cd\u7528\u4e8e\u7f1d\u7eab\u7684\u957f\u800c\u7ec6\u7684\u68c9\u7ea4\u7ef4\u675f, \u53ea\u4e0d\u8fc7\u8fd9\u91cc\u7684&#8221;\u68c9\u7ea4\u7ef4&#8221; \u662f\u987a\u5e8f\u6307\u4ee4. \u8fd9\u6761&#8221;\u7ebf\u7a0b&#8221; \u5305\u542bCPU\u5bf9\u8fd9\u4e9b\u6307\u4ee4\u7684\u8c03\u5ea6\u4e0e\u6267\u884c\u8fc7\u7a0b. \u6e38\u620f\u4e2d\u7684\u51fd\u6570\u6267\u884c\u5373\u53ef\u89c6\u4e3a\u4e00\u4e2a\u7ebf\u7a0b.<br \/>\n$\\\\$ \u7cfb\u7edf\u7ebf\u7a0b\u7684API\u4f4d\u4e8eRuntime\/Core\/Public\/HAL\/Thread.h.<\/p>\n<p><strong>2.1.5.7.2 \u7528\u6cd5<\/strong><\/p>\n<p>\u4f7f\u7528\u6784\u9020\u51fd\u6570\u521b\u5efa\u7ebf\u7a0b<\/p>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"C++\" data-enlighter-theme=\"monokai\">\r\n\r\n\/\/ Runtime\/Core\/Public\/HAL\/Thread.h\r\n\r\n\/**\r\n* Creates and immediately starts a new system thread that will execute `ThreadFunction` argument.\r\n* Can return before the thread is actually started or when it already finished execution.\r\n* @param ThreadName Name of the thread\r\n* @param ThreadFunction The function that will be executed by the newly created thread\r\n* @param StackSize The size of the stack to create. 0 means use the current thread's stack size\r\n* @param ThreadPriority Tells the thread whether it needs to adjust its priority or not. Defaults to normal priority\r\n* @param ThreadAffinity Tells the thread whether it needs to adjust its affinity or not. Defaults to no affinity\r\n* @param IsForkable Tells the thread whether it can be forked. Defaults to NonForkable\r\n*\/\r\nFThread(\r\n    TCHAR const* ThreadName,\r\n    TUniqueFunction<void()>&& ThreadFunction,\r\n    uint32 StackSize = 0,\r\n    EThreadPriority ThreadPriority = TPri_Normal,\r\n    FThreadAffinity ThreadAffinity = FThreadAffinity(),\r\n    EForkable IsForkable = NonForkable\r\n);\r\n\r\n<\/pre>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"C++\" data-enlighter-theme=\"monokai\">\r\n\r\nFThread Thread = FThread(\r\n    TEXT(\"MyThreadWithSingleton),                        \/\/ Give any name\r\n    []()                                                 \/\/ Since a thread is a sequence of instructions, we pass a function for the new thread to execute\r\n    {                                                    \/\/ One-time use anonymous lambda function\r\n        DoWork();\r\n    });\r\nThread.Join();\r\n\r\n<\/pre>\n<p><strong>2.1.5.7.3 \u7ebf\u7a0b\u6808<\/strong><\/p>\n<p>FThread\u7684\u6784\u9020\u51fd\u6570\u4e2d\u7684StackSize\u53c2\u6570\u6307\u7684\u662f\u7ebf\u7a0b\u5173\u952e\u7ec4\u4ef6\u7684\u5927\u5c0f, \u5373\u7ebf\u7a0b\u7684\u7ebf\u7a0b\u6808\u5927\u5c0f.<br \/>\n$\\\\$ \u6808\u6570\u636e\u7ed3\u6784\u662f\u4e00\u79cd\u7531\u8fde\u7eed\u5185\u5b58\u5757\u7ec4\u6210\u7684\u5bb9\u5668(\u7c7b\u4f3c\u4e8e\u53e0\u653e\u7684\u76d8\u5b50\u5806), \u5176\u4e2d\u4ec5\u6808\u9876\u53ef\u8bbf\u95ee, \u4e14\u5fc5\u987b\u5148\u79fb\u9664(\u5f39\u51fa) \u624d\u80fd\u8bbf\u95ee\u4e0b\u65b9\u7684\u5185\u5b58\u5757. \u6362\u8a00\u4e4b, \u9996\u4e2a\u538b\u5165\u6808\u7684\u5757\u662f\u6700\u540e\u88ab\u5f39\u51fa\u7684, \u800c\u6700\u540e\u538b\u5165\u7684\u5757\u5219\u662f\u9996\u4e2a\u88ab\u5f39\u51fa\u7684(\u540e\u8fdb\u5148\u51fa &#8211; Last In First Out).<br \/>\n$\\\\$ \u6808\u56fe(javabycode.com &#8211; Java\u6808\u6570\u636e\u7ed3\u6784, 5\u5206\u949f\u8f7b\u677e\u638c\u63e1).<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.caiqinyi.cn\/wp-content\/uploads\/2025\/09\/stack_diagram.png\" alt=\"\" width=\"473\" height=\"257\" class=\"aligncenter size-full wp-image-4490\" srcset=\"https:\/\/www.caiqinyi.cn\/wp-content\/uploads\/2025\/09\/stack_diagram.png 473w, https:\/\/www.caiqinyi.cn\/wp-content\/uploads\/2025\/09\/stack_diagram-300x163.png 300w\" sizes=\"(max-width: 473px) 100vw, 473px\" \/><\/p>\n<p>\u6808\u7684\u8fd9\u79cd\u884c\u4e3a\u4fbf\u4e8e\u8868\u793a\u51fd\u6570\u8c03\u7528, \u56e0\u4e3a\u51fd\u6570\u7684\u672c\u8d28\u7279\u6027\u5728\u4e8e: \u4e00\u4e2a\u51fd\u6570\u53ef\u80fd\u4f1a\u8c03\u7528(\u538b\u5165\u6808) \u5176\u4f9d\u8d56\u7684\u5176\u5b83(\u5d4c\u5957) \u51fd\u6570, \u56e0\u6b64, \u7279\u5b9a\u51fd\u6570\u5fc5\u987b\u7b49\u5f85\u6240\u6709\u5d4c\u5957\u51fd\u6570\u5b8c\u6210\u540e(\u5f39\u51fa) \u624d\u80fd\u5b8c\u6210\u81ea\u8eab\u7684\u6267\u884c.<br \/>\n$\\\\$ \u51fd\u6570\u8c03\u7528\u6240\u4f7f\u7528\u7684\u8fd9\u79cd\u6808\u79f0\u4e3a\u7a0b\u5e8f\u6808, \u6808\u4e0a\u7684\u6bcf\u4e2a\u6761\u76ee(\u4e00\u5757\u5185\u5b58) \u79f0\u4e3a\u6808\u5e27. \u6bcf\u5f53\u4e00\u4e2a\u51fd\u6570\u88ab(\u5176\u5b83\u51fd\u6570) \u8c03\u7528\u65f6, \u64cd\u4f5c\u7cfb\u7edf\u4f1a\u5c06\u8be5\u51fd\u6570\u4e2d\u58f0\u660e\u7684\u6240\u6709\u5c40\u90e8\u53d8\u91cf\u4ee5\u53caCPU\u5bc4\u5b58\u5668\u7684\u5185\u5bb9\u5b58\u50a8\u5728\u8fd9\u4e2a\u6808\u5e27\u4e2d, \u4f9b\u8be5\u51fd\u6570\u4f7f\u7528. \u88ab\u8c03\u7528\u51fd\u6570\u7684\u8fd4\u56de\u5730\u5740\u4e5f\u4f1a\u5b58\u50a8\u5728\u6808\u5e27\u4e2d, \u56e0\u4e3a\u5f53\u88ab\u8c03\u7528\u51fd\u6570\u8fd4\u56de\u540e\u6808\u5e27\u88ab\u5f39\u51fa\u65f6, \u8c03\u7528\u65b9\u9700\u8981\u4ece\u79bb\u5f00\u7684\u4f4d\u7f6e\u7ee7\u7eed\u6267\u884c.<br \/>\n$\\\\$ \u5728\u7a0b\u5e8f\u88ab\u52a0\u8f7d\u5230\u5185\u5b58\u5e76\u6267\u884c\u4e4b\u524d, \u64cd\u4f5c\u7cfb\u7edf\u9700\u8981\u9996\u5148\u4e3a\u7a0b\u5e8f\u6808\u9884\u7559\u4e00\u5757\u5185\u5b58\u533a\u57df. \u6808\u6307\u9488(\u5373\u5355\u4e2aCPU\u5bc4\u5b58\u5668\u7684\u503c) \u7528\u4e8e\u538b\u5165\u548c\u5f39\u51fa\u6808\u5e27.<\/p>\n<p><strong>2.1.5.8 \u56fe\u5f62\u5c01\u88c5\u5668<\/strong><\/p>\n<p><strong>2.1.5.9 \u7269\u7406\u4e0e\u78b0\u649e\u5c01\u88c5\u5668<\/strong><\/p>\n<p><strong>2.1.6 \u6838\u5fc3\u7cfb\u7edf\u5c42<\/strong><\/p>\n<p><strong>2.1.6.1 \u6570\u636e\u7ed3\u6784\u4e0e\u7b97\u6cd5<\/strong><\/p>\n<p>\u6240\u6709\u8f6f\u4ef6\u7cfb\u7edf\u90fd\u9700\u8981\u5bb9\u5668, \u8fd9\u4e9b\u5bb9\u5668\u5141\u8bb8\u5b58\u50a8\u548c\u64cd\u4f5c\u6570\u636e, \u4ee5\u53ca\u4f7f\u7528\u8fd9\u4e9b\u6570\u636e\u7ed3\u6784\u6765\u89e3\u51b3\u95ee\u9898\u7684\u7b97\u6cd5. \u8bb8\u591a\u9879\u76ee\u4f7f\u7528\u6807\u51c6\u548c\u7b2c\u4e09\u65b9\u5e93, \u8fd9\u4e9b\u5e93\u63d0\u4f9b\u4e86\u8fd9\u4e9b\u6570\u636e\u7ed3\u6784\u548c\u7b97\u6cd5\u7684\u5b9e\u73b0.<br \/>\n$\\\\$ \u7136\u800c, Unreal Engine\u65e2\u4e0d\u4f7f\u7528C++\u6807\u51c6\u6a21\u677f\u5e93(STL), \u4e5f\u4e0d\u4f7f\u7528Boost, Folly\u6216Loki\u7b49\u7b2c\u4e09\u65b9\u5e93. \u5b83\u9009\u62e9\u81ea\u5b9a\u4e49\u89e3\u51b3\u65b9\u6848\u4ee5\u83b7\u5f97\u6027\u80fd\u4f18\u52bf\u548c\u8de8\u5e73\u53f0\u652f\u6301. \u5c3d\u7ba1\u5f15\u64ce\u5185\u90e8\u672a\u4f7f\u7528STL, \u4f46\u8bb8\u591a\u81ea\u5b9a\u4e49\u5b9e\u73b0\u90fd\u53d7\u5230Boost\u7684\u542f\u53d1\u2014\u2014 \u8fd9\u662f\u4e00\u4e2a\u6d41\u884c\u4e14\u5f3a\u5927\u7684C++\u6570\u636e\u7ed3\u6784\u4e0e\u7b97\u6cd5\u5e93, \u5176\u98ce\u683c\u4e0e\u524d\u8eabSTL\u76f8\u4f3c. \u4e0d\u8fc7, Unreal Engine\u5f15\u5165\u7684\u90e8\u5206\u7b2c\u4e09\u65b9\u5e93(\u5982\u76ae\u514b\u65af\u5236\u4f5c\u7684SDK) \u786e\u5b9e\u4f1a\u4f7f\u7528Boost.<br \/>\n$\\\\$ \u6ce8\u610f: \u7531\u4e8e\u672a\u77e5\u539f\u56e0, \u5b58\u5728\u5bf9Boost\u7684\u4f9d\u8d56(\u8def\u5f84: Source\/ThirdParty\/Boost).<\/p>\n<p><strong>2.1.6.1.1 \u6570\u636e\u7ed3\u6784<\/strong><\/p>\n<p>\u5bb9\u5668\u8868: Unreal Engine\u5728Runtime\/Core\/Public\/Containers\u8def\u5f84\u4e0b\u5b9a\u4e49\u4e86\u5176\u5927\u90e8\u5206\u5bb9\u5668, \u8be6\u89c1\u53c2\u8003\u6750\u65991.<\/p>\n<p><strong>2.1.6.1.2 \u7b97\u6cd5<\/strong><\/p>\n<p>\u7b97\u6cd5\u8868: Unreal Engine\u5728Runtime\/Core\/Public\/Algo\u8def\u5f84\u4e0b\u5b9a\u4e49\u4e86\u5176\u5927\u90e8\u5206\u7b97\u6cd5, \u8be6\u89c1\u53c2\u8003\u6750\u65991.<\/p>\n<p><strong>2.1.6.2 \u6a21\u5757\u542f\u52a8\u4e0e\u5173\u95ed<\/strong><\/p>\n<p>\u865a\u5e7b\u5f15\u64ce\u6a21\u5757\u7ba1\u7406\u72ec\u7acb\u7684\u529f\u80fd\u533a\u57df, \u901a\u8fc7\u6309\u9700\u52a0\u8f7d\u8282\u7701\u8d44\u6e90. \u6a21\u5757\u5b9a\u4e49\u542f\u52a8\u4e0e\u5173\u95ed\u903b\u8f91, \u8fd9\u5bf9\u521d\u59cb\u5316\u8d44\u6e90\u53ca\u6e05\u7406\u4ee5\u907f\u514d\u6cc4\u6f0f\u81f3\u5173\u91cd\u8981.<\/p>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"C++\" data-enlighter-theme=\"monokai\">\r\n\r\nIMPLEMENT_MODULE(FDefaultModuleImpl, MyModule);\r\n\r\nvoid FMyModule::StartupModule()\r\n{\r\n    \/\/ Initialization logic here\r\n    UE_LOG(LogTemp, Log, TEXT(\"MyModule has started!\"));\r\n}\r\n\r\nvoid FMyModule::ShutdownModule()\r\n{\r\n    \/\/ Cleanup logic here\r\n    UE_LOG(LogTemp, Log, TEXT(\"MyModule has shut down\"));\r\n}\r\n\r\n<\/pre>\n<p><strong>2.1.6.3 \u65ad\u8a00<\/strong><\/p>\n<p>\u65ad\u8a00\u901a\u8fc7\u5728\u6761\u4ef6\u4e3a\u5047\u65f6\u505c\u6b62\u6267\u884c\u6765\u5e2e\u52a9\u8bc6\u522bBugs. Unreal\u4f7f\u7528check, ensure\u548cverify\u5b8f\u8fdb\u884c\u8c03\u8bd5, \u8fd9\u4e9b\u65ad\u8a00\u5728\u53d1\u5e03\u7248\u672c\u4e2d\u88ab\u79fb\u9664\u4ee5\u907f\u514d\u6027\u80fd\u5f00\u9500.<\/p>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"C++\" data-enlighter-theme=\"monokai\">\r\n\r\nvoid MyFunction(int32 Value)\r\n{\r\n    \/\/ Ensures Value is not zero to avoid division by zero\r\n    check(Value != 0);\r\n    float Result = 100 \/ Value;\r\n}\r\n\r\n<\/pre>\n<p><strong>2.1.6.4 \u81ea\u52a8\u5316<\/strong><\/p>\n<p>\u865a\u5e7b\u5f15\u64ce\u7684\u81ea\u52a8\u5316\u7cfb\u7edf\u8fd0\u884c\u6d4b\u8bd5\u548c\u4efb\u52a1, \u786e\u4fdd\u7a33\u5b9a\u6027\u548c\u6027\u80fd. \u6700\u8fd1\u6211\u4eec\u542c\u8bf4\u4e00\u4e9b3A\u6e38\u620f\u5927\u4f5c\u53d1\u5e03\u4e86\u672a\u5b8c\u6210\u4e14Bugs\u6781\u591a\u7684\u7248\u672c, \u4f8b\u5982\u300a\u6218\u57302042\u300b \u548c\u300a\u8d5b\u535a\u670b\u514b2077\u300b. \u8fd9\u4e9bBugs\u672a\u88ab\u53d1\u73b0\u7684\u4e3b\u8981\u539f\u56e0\u4e4b\u4e00\u662f\u7f3a\u4e4f\u81ea\u52a8\u5316\u6d4b\u8bd5. \u81ea\u52a8\u5316\u6d4b\u8bd5\u53ef\u4ee5\u9632\u6b62&#8221;\u56de\u5f52&#8221; \u2014\u2014\u90a3\u4e9b\u66fe\u7ecf\u4fee\u590d\u8fc7\u4f46\u672a\u6765\u53c8\u91cd\u65b0\u51fa\u73b0\u7684\u4ee4\u4eba\u6cae\u4e27\u7684Bugs. \u81ea\u52a8\u5316\u6d4b\u8bd5\u5bf9\u4e8e\u6027\u80fd\u6d4b\u8bd5\u4e5f\u81f3\u5173\u91cd\u8981, \u786e\u4fdd\u6e38\u620f\u5728\u5404\u79cd\u786c\u4ef6\u4e0a\u6d41\u7545\u8fd0\u884c.<\/p>\n<p><strong>2.1.6.4.1 \u5355\u5143\u6d4b\u8bd5<\/strong><\/p>\n<p>\u5355\u5143\u6d4b\u8bd5\u901a\u8fc7\u5728\u9694\u79bb\u72b6\u6001\u4e0b\u9a8c\u8bc1\u4ee3\u7801\u884c\u4e3a, \u786e\u4fdd\u53ef\u9760\u6027\u5e76\u4fc3\u8fdb\u7ef4\u62a4.<\/p>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"C++\" data-enlighter-theme=\"monokai\">\r\n\r\nIMPLEMENT_SIMPLE_AUTOMATION_TEST(FMyUnitTest, \"GameTests.Unit.MyFunctionTest\", EAutomationTestFlags::EditorContext | EAutomationTestFlags::EngineFilter)\r\n\r\nbool FMyUnitTest::RunTest(const FString& Parameters)\r\n{\r\n    \/\/ Test case: ensure MyFunction returns true\r\n    TestTrue(\"MyFunction should return true\", MyFunction());\r\n    return true;\r\n}\r\n\r\n<\/pre>\n<p><strong>2.1.6.4.2 Gauntlet<\/strong><\/p>\n<p>Gauntlet\u81ea\u52a8\u5316\u6846\u67b6\u662f\u865a\u5e7b\u5f15\u64ce\u7528\u4e8e\u5728\u771f\u5b9e\u73af\u5883\u4e0b\u6d4b\u8bd5\u6e38\u620f\u573a\u666f\u4e0e\u6027\u80fd\u7684\u81ea\u52a8\u5316\u5de5\u5177.<br \/>\n$\\\\$ \u521b\u5efa\u5168\u9762\u7684Gauntlet\u6d4b\u8bd5\u9700\u8981\u6269\u5c55FGauntletTestBase\u7c7b\u5e76\u5b9e\u73b0\u5176\u865a\u62df\u65b9\u6cd5, \u4ee5\u5b9a\u4e49\u6d4b\u8bd5\u884c\u4e3a. \u4ee5\u4e0b\u662f\u4e00\u4e2a\u6269\u5c55\u793a\u4f8b, \u5c55\u793a\u5982\u4f55\u5728\u865a\u5e7b\u5f15\u64ce\u4e2d\u5229\u7528Gauntlet\u81ea\u52a8\u5316\u6846\u67b6\u6784\u5efa\u6027\u80fd\u6d4b\u8bd5\u7684\u7ed3\u6784. \u672c\u793a\u4f8b\u5c06\u91cd\u70b9\u6d4b\u91cf\u56fa\u5b9a\u65f6\u957f\u5185\u7684\u5e27\u7387\u548c\u5185\u5b58\u4f7f\u7528\u60c5\u51b5, \u4f46\u8bf7\u8bb0\u4f4f, Gauntlet\u53ef\u6839\u636e\u6e38\u620f\u9700\u6c42\u7528\u4e8e\u81ea\u52a8\u5316\u548c\u6d4b\u8bd5\u5404\u79cd\u573a\u666f.<br \/>\n$\\\\$ \u9996\u5148, \u8bf7\u786e\u4fdd\u5df2\u5728\u865a\u5e7b\u5f15\u64ce\u9879\u76ee\u4e2d\u914d\u7f6e\u597dGauntlet\u81ea\u52a8\u5316\u6846\u67b6. \u672c\u793a\u4f8b\u5047\u8bbe\u5df2\u5177\u5907\u521b\u5efa\u548c\u8fd0\u884cGauntlet\u6d4b\u8bd5\u7684\u57fa\u672c\u77e5\u8bc6.<\/p>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"C++\" data-enlighter-theme=\"monokai\">\r\n\r\n\/\/ Example usage of Gauntlet to run a performance test\r\n#include \"GauntletTestController.h\"\r\n#include \"Engine\/World.h\"\r\n#include \"Misc\/Paths.h\"\r\n#include \"HAL\/PlatformFilemanager.h\"\r\n\r\nclass FMyPerformanceTest : public FGauntletTestBase\r\n{\r\n    float TestDuration;\r\n    float TimeElapsed;\r\n    TArray<float> FrameRates;\r\n    TArray<float> MemoryUsages;\r\n\r\npublic:\r\n\r\n    FMyPerformanceTest()\r\n        : TestDuration(60.0f) \/\/ Run the test for 60 seconds\r\n        , TimeElapsed(0.0f)\r\n    {\r\n    }\r\n\r\n    virtual void OnInit() override\r\n    {\r\n        FGauntletTestBase::OnInit();\r\n        UE_LOG(LogGauntlet, Log, TEXT(\"Starting My Performance Test\"));\r\n\r\n        \/\/ Initialize your test variables here\r\n        FrameRates.Empty();\r\n        MemoryUsages.Empty();\r\n\r\n        \/\/ You might want to load a specific level or set up your game state in a certain way here\r\n        FString MapName = TEXT(\"\/Game\/Maps\/YourMapName\");\r\n        GetWorld()->ServerTravel(MapName);\r\n    }\r\n\r\n    virtual void OnTick(float DeltaTime) override\r\n    {\r\n        TimeElapsed += DeltaTime;\r\n\r\n        \/\/ Record frame rate and memory usage at each tick\r\n        FrameRates.Add(1.0f \/ DeltaTime); \/\/ FPS = 1 \/ DeltaTime\r\n        MemoryUsages.Add(FPlatformMemory::GetStats().UsedPhysical); \/\/ Get current used physical memory\r\n\r\n        \/\/ Check if the test has run for the desired duration\r\n        if (TimeElapsed >= TestDuration)\r\n        {\r\n            EndTest();\r\n        }\r\n    }\r\n\r\n    virtual void EndTest() override\r\n    {\r\n        \/\/ Calculate average frame rate and memory usage\r\n        float AvgFrameRate = 0.0f;\r\n        float AvgMemoryUsage = 0.0f;\r\n        for (int i = 0; i < FrameRates.Num(); i++)\r\n        {\r\n            AvgFrameRate += FrameRates[i];\r\n            AvgMemoryUsage += MemoryUsages[i];\r\n        }\r\n        AvgFrameRate \/= FrameRates.Num();\r\n        AvgMemoryUsage \/= MemoryUsages.Num();\r\n\r\n        \/\/ Log the results\r\n        UE_LOG(LogGauntlet, Log, TEXT(\"Average Frame Rate: %f\"), AvgFrameRate);\r\n        UE_LOG(LogGauntlet, Log, TEXT(\"Average Memory Usage: %f MB\"), AvgMemoryUsage \/ (1024 * 1024));\r\n\r\n        \/\/ Save results to a file\r\n        FString ResultsString = FString::Printf(TEXT(\"Average Frame Rate: %f\\nAverage Memory Usage: %f MB\\n\"), AvgFrameRate, AvgMemoryUsage \/ (1024 * 1024));\r\n        FFileHelper::SaveStringToFile(ResultsString, *(FPaths::ProjectDir() + TEXT(\"TestResults.txt\")));\r\n\r\n        \/\/ Make sure to call the base class's EndTest to properly terminate the test\r\n        FGauntletTestBase::EndTest();\r\n    }\r\n};\r\n\r\n\/\/ Register the test so Gauntlet can find it\r\nIMPLEMENT_GAUNTLET_TEST(FMyPerformanceTest, \"Performance.MyPerformanceTest\")\r\n\r\n<\/pre>\n<p>\u8fd9\u662f\u5bfb\u627e\u6e38\u620f\u4f18\u5316\u7684\u7edd\u4f73\u65b9\u6cd5.<\/p>\n<p><strong>2.1.6.5 \u5185\u5b58\u5206\u914d<\/strong><\/p>\n<p>\u865a\u5e7b\u5f15\u64ce\u901a\u8fc7\u81ea\u5b9a\u4e49\u5185\u5b58\u5206\u914d\u6765\u63d0\u5347\u6027\u80fd\u5e76\u8ffd\u8e2a\u4f7f\u7528\u60c5\u51b5, \u540c\u65f6\u4e0e\u5e73\u53f0\u7684\u5185\u5b58\u7ba1\u7406\u5668\u96c6\u6210.<\/p>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"C++\" data-enlighter-theme=\"monokai\">\r\n\r\nvoid* MyAllocate(SizeType Size)\r\n{\r\n    void* Result = FMemory::Malloc(Size);\r\n    \/\/ Additional logic, such as tracking allocations\r\n    return Result;\r\n}\r\n\r\nvoid MyFree(void* Pointer)\r\n{\r\n    \/\/ Clean up before freeing memory\r\n    FMemory::Free(Pointer);\r\n}\r\n\r\n<\/pre>\n<p><strong>2.1.6.6 \u6570\u5b66\u5e93<\/strong><\/p>\n<p>\u865a\u5e7b\u5f15\u64ce\u7684\u6570\u5b66\u5e93(\u4f5c\u4e3a\u6838\u5fc3\u5b50\u7cfb\u7edf\u7684\u4e00\u90e8\u5206) \u4e3a\u6e38\u620f\u8ba1\u7b97\u63d0\u4f9b\u5411\u91cf, \u77e9\u9635\u7b49\u66f4\u591a\u6570\u5b66\u5de5\u5177.<\/p>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"C++\" data-enlighter-theme=\"monokai\">\r\n\r\nFVector A(1, 0, 0);\r\nFVector B(0, 1, 0);\r\n\/\/ Cross product\r\nFVector C = FVector::CrossProduct(A, B);\r\n\r\n<\/pre>\n<p><strong>2.1.6.7 \u5b57\u7b26\u4e32\u4e0e\u54c8\u5e0c\u5b57\u7b26\u4e32\u6807\u8bc6\u7b26<\/strong><\/p>\n<p><strong>2.1.6.7.1 FName<\/strong><\/p>\n<p>FName\u662f\u4e00\u4e2a\u7528\u4e8e\u9ad8\u6548\u5b57\u7b26\u4e32\u5904\u7406\u7684\u7cfb\u7edf, \u901a\u8fc7\u54c8\u5e0c\u503c\u5b9e\u73b0\u5feb\u901f\u6bd4\u8f83\u548c\u67e5\u627e.<\/p>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"C++\" data-enlighter-theme=\"monokai\">\r\n\r\nFName MyName(TEXT(\"MyString\"));\r\n\/\/ Fast comparison\r\nif (MyName == FName(TEXT(\"MyString\")))\r\n{\r\n    \/\/ True\r\n}\r\n\r\n<\/pre>\n<p><strong>2.1.6.8 \u8c03\u8bd5\u6253\u5370\u4e0e\u65e5\u5fd7\u8bb0\u5f55<\/strong><\/p>\n<p><strong>2.1.6.9 \u672c\u5730\u5316\u670d\u52a1<\/strong><\/p>\n<p><strong>2.1.6.10 \u7535\u5f71\u64ad\u653e\u5668<\/strong><\/p>\n<p><strong>2.1.6.11 \u89e3\u6790\u5668<\/strong><\/p>\n<p><strong>2.1.6.12 \u6027\u80fd\u5256\u6790\u4e0e\u7edf\u8ba1\u6536\u96c6<\/strong><\/p>\n<p><strong>2.1.6.13 \u5f15\u64ce\u914d\u7f6e<\/strong><\/p>\n<p><strong>2.1.6.14 \u968f\u673a\u6570\u751f\u6210\u5668<\/strong><\/p>\n<p><strong>2.1.6.15 \u66f2\u7ebf\u4e0e\u66f2\u9762\u5e93<\/strong><\/p>\n<p><strong>2.1.6.16 \u8fd0\u884c\u65f6\u7c7b\u578b\u4fe1\u606f \/ \u53cd\u5c04\u4e0e\u5e8f\u5217\u5316<\/strong><\/p>\n<p><strong>2.1.6.17 \u5bf9\u8c61\u53e5\u67c4 \/ \u552f\u4e00\u6807\u8bc6\u7b26<\/strong><\/p>\n<p><strong>2.1.6.18 \u5f02\u6b65\u6587\u4ef6I\/O<\/strong><\/p>\n<p><strong>2.1.7 \u8d44\u6e90(\u6e38\u620f\u8d44\u4ea7) \u5c42<\/strong><\/p>\n<p><strong>2.1.7.1 \u8d44\u6e90\u7ba1\u7406\u5668(\u865a\u5e7b\u7f16\u8f91\u5668)<\/strong><\/p>\n<p>\u865a\u5e7b\u5f15\u64ce\u7684\u9ad8\u5ea6\u96c6\u4e2d\u5f0f\u8d44\u6e90\u7ba1\u7406\u5668\u662f\u4e00\u4e2a\u7edf\u4e00\u63a5\u53e3, \u7528\u4e8e\u8bbf\u95ee\u6240\u6709\u7c7b\u578b\u7684\u6e38\u620f\u8d44\u4ea7, \u5176\u4e2d\u5305\u62ecumap\u548cuasset\u6587\u4ef6.<\/p>\n<p><strong>2.1.7.2 \u4e09\u7ef4\u6a21\u578b\u8d44\u6e90<\/strong><\/p>\n<p><strong>2.1.7.3 \u7eb9\u7406\u8d44\u6e90<\/strong><\/p>\n<p><strong>2.1.7.4 \u6750\u8d28\u8d44\u6e90<\/strong><\/p>\n<p><strong>2.1.7.5 \u5b57\u4f53\u8d44\u6e90<\/strong><\/p>\n<p><strong>2.1.7.6 \u9aa8\u9abc\u8d44\u6e90<\/strong><\/p>\n<p><strong>2.1.7.7 \u78b0\u649e\u8d44\u6e90<\/strong><\/p>\n<p><strong>2.1.7.8 \u7269\u7406\u53c2\u6570<\/strong><\/p>\n<p><strong>2.1.7.9 \u6e38\u620f\u4e16\u754c \/ \u5730\u56fe<\/strong><\/p>\n<p><strong>2.1.8 \u78b0\u649e\u4e0e\u7269\u7406\u5c42<\/strong><\/p>\n<p>\u5f15\u64ce\u7684\u8fd9\u4e00\u5c42\u8d1f\u8d23\u5904\u7406\u78b0\u649e\u68c0\u6d4b\u4e0e\u521a\u4f53\u52a8\u529b\u5b66(\u8fd9\u4e5f\u662f\u5176\u88ab\u79f0\u4e3a\"\u7269\u7406\" \u7684\u7531\u6765). \u5c06\u5176\u79f0\u4e3a\"\u7269\u7406\" \u7565\u663e\u7528\u8bcd\u4e0d\u5f53, \u56e0\u4e3a\u8be5\u5f15\u64ce\u6838\u5fc3\u5173\u6ce8\u7684\u662f\u4f5c\u7528\u5728\u521a\u4f53\u4e0a\u7684\u529b\u548c\u529b\u77e9, \u800c\u975e\u5176\u5b83\u66f4\u5e7f\u6cdb\u7684\u7269\u7406\u73b0\u8c61.<br \/>\n$\\\\$ \u901a\u5e38, \u6e38\u620f\u5f15\u64ce\u4e0d\u4f1a\u81ea\u884c\u5b9e\u73b0\u7269\u7406\u5f15\u64ce, \u800c\u662f\u4f7f\u7528\u7b2c\u4e09\u65b9\u7269\u7406\u4e0e\u78b0\u649e\u5f15\u64ce\u63d0\u4f9b\u7684SDK. \u56e0\u6b64, \u865a\u5e7b\u5f15\u64ce\u91c7\u7528\u4e86\u82f1\u4f1f\u8fbe\u7684PhysX SDK(\u514d\u8d39\u4e14\u5f00\u6e90), \u4f46\u4e5f\u5305\u542b\u90e8\u5206\u81ea\u5b9a\u4e49\u5b9e\u73b0(\u5982ARigidBodyBase\u7c7b). \u503c\u5f97\u6ce8\u610f\u7684\u662f, \u865a\u5e7b\u5f15\u64ce\u5e76\u672a\u4f7f\u7528Havok\u6216Open Dynamics Engine.<br \/>\n$\\\\$ \u865a\u5e7b\u5f15\u64ce\u4f7f\u7528PhysX\u7684physx\u547d\u540d\u7a7a\u95f4\u4e2d\u7684PxRigidActor\u7c7b\u6765\u8868\u793a\u52a8\u6001\u548c\u9759\u6001\u521a\u4f53.<br \/>\n$\\\\$ \u7269\u7406\u5f15\u64ce\u7684\u5b9e\u73b0\u4ee3\u7801\u4f4d\u4e8e\u4ee5\u4e0b\u8def\u5f84: Runtime\/Engine\/Private\/PhysicsEngine, Runtime\/Engine\/Public\/Physics\u4ee5\u53caRuntime\/Engine\/PhysicsEngine.<\/p>\n<p><strong>2.1.8.1 \u529b\u4e0e\u7ea6\u675f<\/strong><\/p>\n<p><strong>2.1.8.2 \u5c04\u7ebf\/\u5f62\u72b6\u6295\u5c04(\u67e5\u8be2)<\/strong><\/p>\n<p><strong>2.1.8.3 \u521a\u4f53<\/strong><\/p>\n<p><strong>2.1.8.4 Phantoms<\/strong><\/p>\n<p><strong>2.1.8.5 \u5f62\u72b6 \/ \u53ef\u78b0\u649e\u5bf9\u8c61<\/strong><\/p>\n<p><strong>2.1.8.6 \u7269\u7406 \/ \u78b0\u649e\u4e16\u754c<\/strong><\/p>\n<p><strong>2.1.9 \u4eba\u673a\u63a5\u53e3\u8bbe\u5907(HID) \u5c42<\/strong><\/p>\n<p><strong>2.1.9.1 \u6e38\u620f\u7279\u5b9a\u63a5\u53e3<\/strong><\/p>\n<p><strong>2.1.9.2 \u7269\u7406\u8bbe\u5907\u8f93\u5165 \/ \u8f93\u51fa<\/strong><\/p>\n<p><strong>2.1.10 \u6027\u80fd\u5206\u6790\u4e0e\u8c03\u8bd5\u5c42<\/strong><\/p>\n<p><strong>2.1.10.1 \u5f55\u5236\u4e0e\u56de\u653e<\/strong><\/p>\n<p><strong>2.1.10.2 \u5185\u5b58\u4e0e\u6027\u80fd\u7edf\u8ba1<\/strong><\/p>\n<p><strong>2.1.10.3 \u6e38\u620f\u5185\u83dc\u5355\u6216\u63a7\u5236\u53f0<\/strong><\/p>\n<p><strong>2.1.11 \u5e95\u5c42\u6e32\u67d3\u5668\u5c42<\/strong><\/p>\n<p><strong>2.1.11.1 \u56fe\u5f62\u8bbe\u5907\u63a5\u53e3<\/strong><\/p>\n<p>Unreal Engine\u5c06\u6b64\u79f0\u4e3aRHI(\u6e32\u67d3\u786c\u4ef6\u63a5\u53e3), \u5b83\u901a\u8fc7\u56fe\u5f62SDK(\u5982DirectX, OpenGL, Vulkan) \u679a\u4e3e\u53ef\u7528\u56fe\u5f62\u8bbe\u5907, \u521d\u59cb\u5316\u8bbe\u5907\u5e76\u914d\u7f6e\u6e32\u67d3\u7f13\u51b2(\u5982\u540e\u7f13\u51b2, \u6a21\u677f\u7f13\u51b2\u533a, \u6df1\u5ea6\u7f13\u51b2\u533a\u7b49).<br \/>\n\u5b9e\u73b0\u4ee3\u7801\u4f4d\u4e8e\u8def\u5f84Runtime\/RHI\u4e0eRuntime\/RHICore\u4e0b, \u8be6\u89c1\u53c2\u8003\u6750\u65991.<\/p>\n<p><strong>2.1.11.1.1 DirectX RHI<\/strong><\/p>\n<p><strong>2.1.11.1.2 Vulkan RHI<\/strong><\/p>\n<p><strong>2.1.11.1.3 OpenGL RHI<\/strong><\/p>\n<p><strong>2.1.11.2 \u6750\u8d28\u4e0e\u7740\u8272\u5668<\/strong><\/p>\n<p><strong>2.1.11.3 \u9759\u6001\u4e0e\u52a8\u6001\u5149\u7167<\/strong><\/p>\n<p><strong>2.1.11.4 \u6444\u50cf\u673a<\/strong><\/p>\n<p><strong>2.1.11.5 \u6587\u672c\u4e0e\u5b57\u4f53<\/strong><\/p>\n<p><strong>2.1.11.6 \u57fa\u672c\u56fe\u5143\u63d0\u4ea4<\/strong><\/p>\n<p><strong>2.1.11.7 \u89c6\u53e3\u4e0e\u865a\u62df\u5c4f\u5e55<\/strong><\/p>\n<p><strong>2.1.11.8 \u7eb9\u7406\u4e0e\u8868\u9762\u7ba1\u7406<\/strong><\/p>\n<p><strong>2.1.11.9 \u8c03\u8bd5\u7ed8\u5236(\u7ebf\u6761\u7b49)<\/strong><\/p>\n<p><strong>2.1.12 \u573a\u666f\u56fe \/ \u5254\u9664\u4f18\u5316\u5c42<\/strong><\/p>\n<p>\u4e00\u822c\u800c\u8a00, \u4efb\u4f55\u5f62\u5f0f\u7684\"\u7a7a\u95f4\u5206\u5272\" \u5747\u88ab\u79f0\u4e3a\"\u573a\u666f\u56fe\". \u5e38\u89c1\u7684\u7a7a\u95f4\u5206\u5272\u7b97\u6cd5\u5305\u62ec: \u516b\u53c9\u6811, \u56db\u53c9\u6811, \u4e8c\u5206\u7a7a\u95f4\u5206\u5272\u6811, k-d\u6811\u53ca\u7403\u4f53\u5c42\u6b21\u7ed3\u6784. \u865a\u5e7b\u5f15\u64ce\u91c7\u7528\"\u573a\u666f\u5927\u7eb2\"(\u4e00\u79cd\u57fa\u4e8e\u6811\u7ed3\u6784\u7684\u5c42\u6b21\u5316\u573a\u666f\u8868\u793a\u5f62\u5f0f) \u6765\u6267\u884c\u89c6\u9525\u5254\u9664\u7b49\u6027\u80fd\u4f18\u5316\u64cd\u4f5c.<br \/>\n$\\\\$ \u5254\u9664\u64cd\u4f5c\u53ef\u5305\u542b\u7b80\u5355\u7b97\u6cd5(\u5982\u89c6\u9525\u5254\u9664\u2014\u2014 \u4ee3\u8868\u89c2\u5bdf\u4e16\u754c\u7684\u68af\u5f62\u68f1\u67f1\u4f53\u7a7a\u95f4), \u6216\u901a\u8fc7\u7a7a\u95f4\u5212\u5206\u7b97\u6cd5\u51cf\u5c11\u9700\u6267\u884c\u5254\u9664\u7684\u51e0\u4f55\u4f53\u57fa\u6570.<\/p>\n<p><strong>2.1.12.1 \u7a7a\u95f4\u54c8\u5e0c(BSP, \u6811\u7ed3\u6784, k-d\u6811\u7b49)<\/strong><\/p>\n<p><strong>2.1.12.2 \u906e\u6321\u5254\u9664\u4e0e\u6f5c\u5728\u53ef\u89c1\u96c6(PVS)<\/strong><\/p>\n<p><strong>2.1.12.3 LOD\u7cfb\u7edf<\/strong><\/p>\n<p><strong>2.1.13 \u89c6\u89c9\u6548\u679c\u5c42<\/strong><\/p>\n<p><strong>2.1.13.1 \u5149\u7167\u8d34\u56fe\u4e0e\u52a8\u6001\u9634\u5f71<\/strong><\/p>\n<p><strong>2.1.13.2 \u9ad8\u52a8\u6001\u8303\u56f4(HDR) \u5149\u7167<\/strong><\/p>\n<p><strong>2.1.13.3 \u9884\u8ba1\u7b97\u8f90\u5c04\u4f20\u8f93(PRT) \u5149\u7167, \u6b21\u8868\u9762\u6563\u5c04<\/strong><\/p>\n<p><strong>2.1.13.4 \u7c92\u5b50\u4e0e\u8d34\u82b1\u7cfb\u7edf<\/strong><\/p>\n<p><strong>2.1.13.5 \u540e\u671f\u6548\u679c<\/strong><\/p>\n<p><strong>2.1.13.6 \u73af\u5883\u6620\u5c04<\/strong><\/p>\n<p><strong>2.1.14 \u524d\u7aef\u5c42<\/strong><\/p>\n<p><strong>2.1.14.1 \u5e73\u89c6\u663e\u793a\u5668(HUD)<\/strong><\/p>\n<p><strong>2.1.14.2 \u5168\u52a8\u6001\u89c6\u9891(FMV)<\/strong><\/p>\n<p><strong>2.1.14.3 \u6e38\u620f\u5185\u8fc7\u573a\u52a8\u753b(IGC)<\/strong><\/p>\n<p><strong>2.1.14.4 \u6e38\u620f\u5185\u56fe\u5f62\u7528\u6237\u754c\u9762<\/strong><\/p>\n<p><strong>2.1.14.5 \u6e38\u620f\u5185\u83dc\u5355<\/strong><\/p>\n<p><strong>2.1.14.6 \u5305\u88c5\u5668\u4e0e\u5438\u5f15\u6a21\u5f0f(\u8bbe\u5907\u5728\u7a7a\u95f2\u72b6\u6001(\u5982\u6e38\u620f\u673a, \u8857\u673a, \u6570\u5b57\u6807\u724c) \u81ea\u52a8\u64ad\u653e\u6f14\u793a\u5185\u5bb9(\u5982\u6e38\u620f\u7247\u6bb5, \u52a8\u6001\u58c1\u7eb8) \u4ee5\u5438\u5f15\u7528\u6237\u4ea4\u4e92\u7684\u529f\u80fd)<\/strong><\/p>\n<p><strong>2.1.15 \u9aa8\u9abc\u52a8\u753b\u5c42<\/strong><\/p>\n<p><strong>2.1.15.1 \u52a8\u753b\u72b6\u6001\u6811\u4e0e\u5c42<\/strong><\/p>\n<p><strong>2.1.15.2 \u53cd\u5411\u8fd0\u52a8\u5b66(IK)<\/strong><\/p>\n<p><strong>2.1.15.3 \u5c42\u7ea7\u5bf9\u8c61\u9644\u7740(+\u6e38\u620f\u73a9\u6cd5\u57fa\u7840\u5c42)<\/strong><\/p>\n<p><strong>2.1.15.4 \u6e38\u620f\u4e13\u7528\u540e\u5904\u7406<\/strong><\/p>\n<p><strong>2.1.15.5 \u7ebf\u6027\u63d2\u503c(LERP) \u4e0e\u52a0\u6cd5\u6df7\u5408<\/strong><\/p>\n<p><strong>2.1.15.6 \u52a8\u753b\u64ad\u653e<\/strong><\/p>\n<p><strong>2.1.15.7 \u5b50\u9aa8\u9abc\u52a8\u753b<\/strong><\/p>\n<p><strong>2.1.15.8 \u52a8\u753b\u538b\u7f29<\/strong><\/p>\n<p><strong>2.1.15.9 \u9aa8\u9abc\u7f51\u683c\u6e32\u67d3(+\u5e95\u5c42\u6e32\u67d3\u5c42)<\/strong><\/p>\n<p><strong>2.1.15.10 \u5e03\u5a03\u5a03\u7269\u7406(+\u78b0\u649e\u4e0e\u7269\u7406\u5c42)<\/strong><\/p>\n<p><strong>2.1.16 \u97f3\u9891\u5c42<\/strong><\/p>\n<p><strong>2.1.16.1 \u6570\u5b57\u4fe1\u53f7\u5904\u7406(DSP) \u4e0e\u6548\u679c<\/strong><\/p>\n<p><strong>2.1.16.2 \u4e09\u7ef4\u97f3\u9891\u6a21\u578b<\/strong><\/p>\n<p><strong>2.1.16.3 \u97f3\u9891\u64ad\u653e \/ \u97f3\u9891\u7ba1\u7406<\/strong><\/p>\n<p><strong>2.1.17 \u5728\u7ebf\u591a\u4eba\u6e38\u620f\u5c42<\/strong><\/p>\n<p><strong>2.1.17.1 \u590d\u5236\u56fe<\/strong><\/p>\n<p>\u590d\u5236\u56fe\u901a\u8fc7\u5c06\u7f51\u7edc\u89d2\u8272\u7ec4\u7ec7\u6210\u7a7a\u95f4\u7ec4\u548c\u903b\u8f91\u7ec4, \u4f18\u5316\u5927\u578b\u591a\u4eba\u6e38\u620f\u7684\u7f51\u7edc\u6d41\u91cf. \u8be5\u7cfb\u7edf\u57fa\u4e8e\u73a9\u5bb6\u4f4d\u7f6e\u4e0e\u6e38\u620f\u4e0a\u4e0b\u6587\u5b9e\u73b0\u9ad8\u6548\u72b6\u6001\u590d\u5236.<br \/>\n$\\\\$ \u5b9e\u6218\u5e94\u7528: \u5728\u5927\u9003\u6740\u7c7b\u6e38\u620f\u4e2d, \u590d\u5236\u56fe\u53ef\u4ec5\u5411\u73a9\u5bb6\u66f4\u65b0\u9644\u8fd1\u654c\u4eba\u7684\u72b6\u6001, \u800c\u975e\u6e38\u620f\u4e2d\u7684\u6240\u6709\u73a9\u5bb6, \u4ece\u800c\u663e\u8457\u964d\u4f4e\u7f51\u7edc\u8d1f\u8f7d.<br \/>\n$\\\\$ \u793a\u4f8b\u4ee3\u7801:<\/p>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"C++\" data-enlighter-theme=\"monokai\">\r\n\r\n\/\/ Initialize Replication Graph in your GameMode's StartPlay function\r\nvoid AMyGameMode::StartPlay()\r\n{\r\n    Super::StartPlay();\r\n    GetWorld()->GetNetDriver()->SetReplicationDriver<UMyReplicationGraph>();\r\n}\r\n\r\n\/\/ Custom Replication Graph Node\r\nvoid UMyReplicationGraphNode::GatherActorListsForConnection(const FConnectionGatherActorListParameters& Params)\r\n{\r\n    \/\/ Custom logic to determine which actors to replicate to which players\r\n}\r\n\r\n### Network Prediction\r\n\r\nNetwork Prediction minimizes the effects of latency by predicting player actions and movements. This creates a smoother multiplayer experience by compensating for network delays.\r\n\r\nPractical Use: In a first-person shooter, network prediction can be used to anticipate a player's movement, allowing other players to see that player moving smoothly, even with network latency.\r\n\r\n**Example Code:**\r\n```c++\r\n\/\/ Implementing a simple movement prediction in a character class\r\nvoid AMyCharacter::PredictMovement(float DeltaTime)\r\n{\r\n    if (IsLocallyControlled())\r\n    {\r\n        \/\/ Predict local player's movement\r\n        PredictedVelocity = CalculateNewVelocity();\r\n        SetActorLocation(GetActorLocation() + (PredictedVelocity * DeltaTime));\r\n    }\r\n    else\r\n    {\r\n        \/\/ Interpolate non-local players for smoother movement\r\n        SetActorLocation(FMath::VInterpTo(GetActorLocation(), RemoteTargetLocation, DeltaTime, InterpolationSpeed));\r\n    }\r\n}\r\n\r\n<\/pre>\n<p><strong>2.1.17.2 \u7f51\u7edc\u4ee3\u7801\u63d2\u4ef6\u6846\u67b6<\/strong><\/p>\n<p>\u7f51\u7edc\u4ee3\u7801\u63d2\u4ef6\u6846\u67b6\u652f\u6301\u6a21\u5757\u5316\u7f51\u7edc\u4ee3\u7801, \u4f7f\u5f00\u53d1\u8005\u80fd\u591f\u6839\u636e\u6e38\u620f\u7279\u5b9a\u9700\u6c42\u5b9a\u5236\u7f51\u7edc\u534f\u8bae\u6808.<br \/>\n$\\\\$ \u5b9e\u6218\u5e94\u7528: \u5728\u5927\u578b\u591a\u4eba\u5728\u7ebf\u6e38\u620f\u4e2d, \u4e0d\u540c\u6e38\u620f\u533a\u57df(\u5982\u526f\u672c\u4e0e\u5f00\u653e\u4e16\u754c\u533a\u57df) \u53ef\u80fd\u9700\u8981\u5dee\u5f02\u5316\u7684\u7f51\u7edc\u7b56\u7565. \u7f51\u7edc\u4ee3\u7801\u63d2\u4ef6\u6846\u67b6\u652f\u6301\u5f00\u53d1\u8005\u6309\u9700\u5207\u6362\u4e0d\u540c\u7684\u7f51\u7edc\u6a21\u578b.<\/p>\n<p><strong>2.1.17.3 \u5339\u914d\u4e0e\u6e38\u620f\u7ba1\u7406<\/strong><\/p>\n<p><strong>2.1.17.4 \u5bf9\u8c61\u6743\u9650\u7b56\u7565<\/strong><\/p>\n<p><strong>2.1.17.5 \u6e38\u620f\u72b6\u6001\u540c\u6b65<\/strong><\/p>\n<p><strong>2.1.18 \u6e38\u620f\u73a9\u6cd5\u57fa\u7840\u5c42<\/strong><\/p>\n<p>Unreal Engine\u4e2d\u7684\u6e38\u620f\u73a9\u6cd5\u57fa\u7840\u5c42\u662f\u5f15\u64ce\u67b6\u6784\u7684\u5173\u952e\u7ec4\u6210\u90e8\u5206, \u4e3a\u6e38\u620f\u5f00\u53d1\u63d0\u4f9b\u5fc5\u8981\u7684\u57fa\u7840\u7cfb\u7edf\u4e0e\u5de5\u5177. \u8be5\u5c42\u6db5\u76d6\u4ece\u9ad8\u7ea7\u6e38\u620f\u6d41\u7a0b, \u811a\u672c\u7cfb\u7edf\u5230\u9759\u6001 \/ \u52a8\u6001\u6e38\u620f\u5bf9\u8c61\u7ba1\u7406\u7684\u5168\u65b9\u4f4d\u529f\u80fd.<\/p>\n<p><strong>2.1.18.1 \u9ad8\u7ea7\u6e38\u620f\u6d41\u7a0b\u7cfb\u7edf \/ \u6709\u9650\u72b6\u6001\u673a(FSM)<\/strong><\/p>\n<p>\u9ad8\u7ea7\u6e38\u620f\u6d41\u7a0b\u7cfb\u7edf\u6216\u6709\u9650\u72b6\u6001\u673a(FSM) \u7528\u4e8e\u63a7\u5236\u6e38\u620f\u7684\u6574\u4f53\u6d41\u7a0b, \u4f8b\u5982\u83dc\u5355\u5bfc\u822a, \u5173\u5361\u8fc7\u6e21\u4ee5\u53ca\u6682\u505c\u6216\u6e38\u620f\u7ed3\u675f\u7b49\u6e38\u620f\u72b6\u6001. \u8be5\u7cfb\u7edf\u786e\u4fdd\u6e38\u620f\u72b6\u6001\u7ba1\u7406\u6e05\u6670, \u8fc7\u6e21\u987a\u7545\u65e0\u963b.<\/p>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"C++\" data-enlighter-theme=\"monokai\">\r\n\r\n\/\/ Define game states\r\nenum class EGameState : uint8\r\n{\r\n    MainMenu,\r\n    InGame,\r\n    Paused,\r\n    GameOver\r\n};\r\n\r\n\/\/ Change game state\r\nvoid ChangeGameState(EGameState NewState);\r\n\r\n<\/pre>\n<p><strong>2.1.18.2 \u811a\u672c\u7cfb\u7edf<\/strong><\/p>\n<p>Unreal\u5f15\u64ce\u4e2d\u7684\u811a\u672c\u7cfb\u7edf\u652f\u6301\u901a\u8fc7\u975e\u7f16\u8bd1\u578b\u811a\u672c\u521b\u5efa\u6e38\u620f\u903b\u8f91\u4e0e\u884c\u4e3a, \u65e0\u9700\u7f16\u5199\u7f16\u8bd1\u578b\u4ee3\u7801.<\/p>\n<p><strong>2.1.18.2.1 UnrealScript<\/strong><\/p>\n<p>\u6b64\u524d, UnrealScript\u662fUnreal Engine\u7684\u539f\u751f\u811a\u672c\u8bed\u8a00, \u5728UE4\u4e4b\u524d\u88ab\u5e7f\u6cdb\u4f7f\u7528. \u5b83\u4e3a\u6e38\u620f\u811a\u672c\u7f16\u5199\u63d0\u4f9b\u4e86\u9ad8\u7ea7\u62bd\u8c61\u65b9\u6cd5. \u5982\u4eca, UnrealScript\u5df2\u4e0d\u518d\u7528\u4e8e\u5f53\u524dUnreal Engine\u7248\u672c, \u88ab\u84dd\u56fe\u7cfb\u7edf\u5168\u9762\u53d6\u4ee3.<\/p>\n<p><strong>2.1.18.2.2 \u84dd\u56fe<\/strong><\/p>\n<p>\u6240\u6709\u56fe\u7f16\u8f91\u5668\u5de5\u5177\u7684\u5e95\u5c42\u5b9e\u73b0\u5747\u57fa\u4e8eUEdGraph. \u8fd9\u5305\u62ec\u84dd\u56fe, \u6750\u8d28\u548c\u52a8\u753b\u56fe\u7f16\u8f91\u5668. UEdGraph\u662f\u4e00\u79cd\u7b80\u660e\u7684\u56fe\u6570\u636e\u7ed3\u6784, \u5176\u6bcf\u4e2a\u8282\u70b9\u5747\u5185\u7f6e\u4e8b\u4ef6\u76d1\u542c\u673a\u5236.<br \/>\n$\\\\$ \u84dd\u56fe\u7684\u6240\u6709\u56fe\u8868(\u5982\u4e8b\u4ef6\u56fe\u8868) \u4f1a\u88ab\u5408\u5e76\u4e3a\u4e00\u4e2a\u8d85\u7ea7\u56fe\u8868(Ubergraph).<\/p>\n<p><strong>2.1.18.2.3 Verse<\/strong><\/p>\n<p><strong>2.1.18.3 \u9759\u6001\u4e16\u754c\u5143\u7d20<\/strong><\/p>\n<p><strong>2.1.18.4 \u52a8\u6001\u6e38\u620f\u5bf9\u8c61\u6a21\u578b<\/strong><\/p>\n<p><strong>2.1.18.4.1 UObject<\/strong><\/p>\n<p>\u5f15\u64ce\u4e2d\u7684\u6240\u6709\u6e38\u620f\u53ef\u73a9\u5bf9\u8c61\u5747\u7ee7\u627f\u81ea\u8be5\u57fa\u7c7b.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.caiqinyi.cn\/wp-content\/uploads\/2025\/09\/uobject_derived_chain.jpg\" alt=\"\" width=\"621\" height=\"198\" class=\"aligncenter size-full wp-image-4502\" srcset=\"https:\/\/www.caiqinyi.cn\/wp-content\/uploads\/2025\/09\/uobject_derived_chain.jpg 621w, https:\/\/www.caiqinyi.cn\/wp-content\/uploads\/2025\/09\/uobject_derived_chain-300x96.jpg 300w\" sizes=\"(max-width: 621px) 100vw, 621px\" \/><\/p>\n<p><strong>2.1.18.4.1.1 \u5783\u573e\u56de\u6536<\/strong><\/p>\n<p>\u5f53UObjects\u88ab\u521b\u5efa\u65f6, \u5b83\u4eec\u4f1a\u81ea\u52a8\u52a0\u5165\u5168\u5c40\u6570\u7ec4GUObjectArray. \u5783\u573e\u56de\u6536(GC) \u901a\u8fc7\u5b9a\u671f\u904d\u5386\u8be5\u6570\u7ec4, \u8bc6\u522b\u5e76\u5220\u9664\u672a\u88ab\u5f15\u7528\u7684\u5bf9\u8c61\u6216\u660e\u786e\u6807\u8bb0\u4e3a\u9500\u6bc1\u7684\u5bf9\u8c61\u2014\u2014 \u9664\u975e\u8fd9\u4e9b\u5bf9\u8c61\u643a\u5e26\u963b\u6b62\u5783\u573e\u56de\u6536\u7684\u6807\u5fd7. \u5176\u4e2d\u5173\u952e\u6807\u5fd7\u4e4b\u4e00\u662fEInternalObjectFlags::RootSet, \u7528\u4e8e\u6807\u8bb0\u9700\u6c38\u4e45\u5b58\u5728\u7684\u6838\u5fc3\u5bf9\u8c61(\u5982\u5168\u5c40\u5355\u4f8b, \u5f15\u64ce\u6838\u5fc3\u6a21\u5757), \u907f\u514d\u88abGC\u8bef\u56de\u6536.<\/p>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"C++\" data-enlighter-theme=\"monokai\">\r\n\r\n\/\/ Runtime\/CoreUObject\/Private\/UObject\/UObjectHash.cpp\r\n\r\n\/\/ Global UObject array instance\r\nFUObjectArray GUObjectArray;                                   \/\/ To keep track of all UObjects\r\n\r\n<\/pre>\n<p>\u5728\u5f15\u64ce\u5185\u90e8\u5f15\u7528\u56fe\u4e2d\u7ef4\u6301\u5bf9\u8c61\u5f15\u7528\u7684\u4e09\u79cd\u65b9\u5f0f:<br \/>\n$\\\\$ 1) \u901a\u8fc7\u5f3a\u5f15\u7528(UPROPERTY()) \u4ece\u88ab\u5f15\u7528\u7684\u5bf9\u8c61\u6307\u5411\u5b83\u4eec.<br \/>\n$\\\\$ \u82e5UObject\u672a\u901a\u8fc7UPROPERTY\u5b8f\u58f0\u660e\u4e3a\u5c5e\u6027\u5f15\u7528, \u6781\u53ef\u80fd\u88ab\u5783\u573e\u56de\u6536\u673a\u5236\u6e05\u9664. \u4f46AActors\u548cUActorComponents\u662f\u7279\u4f8b: Actor\u4f1a\u88abUWorld(\u4f4d\u4e8e\u6839\u96c6) \u5f15\u7528, \u800cActor Component\u5219\u88ab\u6240\u5c5eActor\u76f4\u63a5\u5f15\u7528.<br \/>\n$\\\\$ \u5b9e\u9645\u5f71\u54cd\u793a\u4f8b: \u5f53\u62e5\u6709\u8be5\u7ec4\u4ef6\u7684AActor\u88ab\u9500\u6bc1\u65f6, \u5176\u6240\u6709UActorComponents\u901a\u5e38\u4e5f\u4f1a\u88ab\u9500\u6bc1\u2014\u2014 \u56e0\u4e3aActor\u662f\u552f\u4e00\u6301\u6709\u5f3a\u5f15\u7528\u7684UObject.<br \/>\n$\\\\$ 2) \u901a\u8fc7\u88ab\u5f15\u7528\u5bf9\u8c61\u8c03\u7528UObject::AddReferencedObjects\u65b9\u6cd5: \u5f00\u53d1\u8005\u53ef\u81ea\u5b9a\u4e49\u5b9e\u73b0\u8be5\u51fd\u6570, \u4e3b\u52a8\u5411\u5783\u573e\u56de\u6536\u7cfb\u7edf\u58f0\u660e\u9700\u8981\u8ddf\u8e2a\u7684\u5f15\u7528\u5bf9\u8c61, \u786e\u4fdd\u52a8\u6001\u751f\u6210\u7684\u5bf9\u8c61(\u5982\u7c92\u5b50\u7279\u6548, \u4e34\u65f6AI\u5b9e\u4f53) \u5728\u903b\u8f91\u5e27\u95f4\u88ab\u6b63\u786e\u4fdd\u7559.<br \/>\n$\\\\$ 3) \u901a\u8fc7UObject::AddToRoot\u6dfb\u52a0\u81f3\u6839\u96c6: \u5c06\u5bf9\u8c61\u663e\u5f0f\u52a0\u5165\u6839\u96c6\u540e, GC\u5c06\u6c38\u4e45\u8df3\u8fc7\u5176\u56de\u6536\u6d41\u7a0b, \u76f4\u81f3\u624b\u52a8\u8c03\u7528RemoveFromRoot. \u5e38\u7528\u4e8e\u5168\u5c40\u5355\u4f8b(\u5982\u6e38\u620f\u72b6\u6001\u7ba1\u7406\u5668), \u6301\u4e45\u5316\u914d\u7f6e\u7b49\u9700\u8de8\u573a\u666f\u5b58\u5728\u7684\u6838\u5fc3\u5bf9\u8c61.<\/p>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"C++\" data-enlighter-theme=\"monokai\">\r\n\r\n\/\/ Runtime\/CoreUObject\/Public\/UObject\/UObjectBaseUtility.h\r\n\r\n\/**\r\n * Add an object to the root set. This prevents the object and all\r\n * its descendants from being deleted during garbage collection.\r\n *\/\r\nvoid UObjectBaseUtility::AddToRoot()                           \/\/ FORCEINLINE for performance benefits                                     \r\n{                                                              \/\/ GUObjectArray is the global array of all UObjects   \r\n    GUObjectArray.IndexToObject(InternalIndex)->SetRootSet();  \/\/ Use the int32 InternalIndex belonging to UObjectBase to index into GUObjectArray\r\n}                                                              \/\/ Set RootSet flag for object\r\n\r\n<\/pre>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"C++\" data-enlighter-theme=\"monokai\">\r\n\r\n\/\/ Runtime\/CoreUObject\/Public\/UObject\/UObjectArray.h\r\n\r\nvoid FUObjectItem::SetRootSet()                                 \/\/ FUObjectItem represents the UObject in the global array, it is a struct that contains a pointer to a UObject\r\n{\r\n    ThisThreadAtomicallySetFlag(EInternalObjectFlags::RootSet); \/\/ Sets a flag which lets the garbage collector know not to garbage collect EVEN if unreferenced\r\n}                                                           \/\/ Set RootSet flag for object\r\n\r\n<\/pre>\n<p><strong>2.1.18.4.1.2 \u81ea\u52a8\u5c5e\u6027\u521d\u59cb\u5316<\/strong><\/p>\n<p>UObjects\u7684\u5c5e\u6027\u5728\u6784\u9020\u51fd\u6570\u6267\u884c\u524d\u4f1a\u88ab\u81ea\u52a8\u521d\u59cb\u5316\u4e3a\u96f6\u503c.<\/p>\n<p><strong>2.1.18.4.1.3 \u5de5\u5382\u65b9\u6cd5<\/strong><\/p>\n<p>$\\cdot$ NewObject()\u662fUnreal Engine\u4e2d\u6700\u57fa\u7840\u7684UObject\u5de5\u5382\u65b9\u6cd5.<br \/>\n$\\\\$ $\\cdot$ NewNamedObject()\u4e0eNewObject()\u529f\u80fd\u4e00\u81f4, \u4f46\u9700\u989d\u5916\u901a\u8fc7FName\u53c2\u6570\u663e\u5f0f\u6307\u5b9a\u5bf9\u8c61\u540d\u79f0.<br \/>\n$\\\\$ $\\cdot$ ConstructObject()\u662f\u4e00\u4e2a\u66f4\u5177\u7075\u6d3b\u6027\u7684\u5de5\u5382\u65b9\u6cd5.<\/p>\n<p><strong>2.1.18.4.1.4 \u81ea\u52a8\u5f15\u7528\u66f4\u65b0<\/strong><\/p>\n<p>\u6807\u8bb0\u4e86UPROPERTY()\u5b8f\u6216\u5b58\u50a8\u5728Unreal\u5bb9\u5668\u7c7b(\u5982TArray \/ TMap) \u4e2d\u7684UObjects, \u4f1a\u88ab\u53cd\u5c04\u7cfb\u7edf\u8bc6\u522b\u5e76\u8ddf\u8e2a. \u5f53\u5bf9\u8c61\u88ab\u9500\u6bc1\u65f6, \u53cd\u5c04\u7cfb\u7edf\u4f1a\u81ea\u52a8\u5c06\u5176\u5f15\u7528\u7f6e\u4e3anull, \u800c\u975e\u4fdd\u7559\u6307\u5411\u5df2\u91ca\u653e\u5185\u5b58\u7684\"\u60ac\u7a7a\u6307\u9488\". \u8fd9\u79cd\u8bbe\u8ba1\u6e90\u4e8e\u5b89\u5168\u6027\u8003\u91cf\u2014\u2014 \u7a7a\u503c\u68c0\u67e5(null-check) \u6bd4\u4f9d\u8d56\u975e\u7a7a\u6307\u9488\u66f4\u53ef\u9760, \u53ef\u907f\u514d\u56e0\u5185\u5b58\u91cd\u590d\u91ca\u653e\u5bfc\u81f4\u7684\u5d29\u6e83\u6216\u6570\u636e\u6c61\u67d3.<\/p>\n<p><strong>2.1.18.4.1.5 \u5e8f\u5217\u5316<\/strong><\/p>\n<p><strong>2.1.18.4.2 AActor<\/strong><\/p>\n<p>\"Actor\" \u4e00\u8bcd\u5e76\u975eUnreal\u5f15\u64ce\u72ec\u6709, \u751a\u81f3\u5728Nvidia\u7684PhysX\u7269\u7406\u5f15\u64ce\u4e2d\u4e5f\u80fd\u627e\u5230\u5176\u8e2a\u8ff9. \u5b83\u662f\u6240\u6709\u53ef\u88ab\u653e\u7f6e\u4e8e\u573a\u666f\u4e16\u754c\u4e2d\u7684\u5bf9\u8c61\u7684\u57fa\u7840\u7c7b, \u5177\u4f53\u8868\u73b0\u4e3a\u4e00\u4e2a\u5e26\u6709\u53d8\u6362(Transform) \u5c5e\u6027\u7684UObject\u57fa\u7c7b.<\/p>\n<p><strong>2.1.18.4.3 \u7ec4\u5408\u6a21\u5f0f\u2014\u2014 \u9762\u5411\u5bf9\u8c61\u8bbe\u8ba1\u4e2d\u7684\u7ec4\u4ef6<\/strong><\/p>\n<p>\u7ec4\u5408\u662f\u4e00\u79cd\u5e38\u89c1\u7684\u9762\u5411\u5bf9\u8c61\u7f16\u7a0b\u8bbe\u8ba1\u6a21\u5f0f, \u5b83\u901a\u8fc7\u5b9a\u4e49\u53ef\u590d\u7528\u884c\u4e3a\u5e76\u5efa\u7acb\"has-a\"(\u5305\u542b) \u5173\u7cfb\u800c\u975e\"is-a\"(\u7ee7\u627f) \u5173\u7cfb\u6765\u5b9e\u73b0\u6a21\u5757\u5316\u8bbe\u8ba1. \u6b63\u5982\u300a\u8bbe\u8ba1\u6a21\u5f0f: \u53ef\u590d\u7528\u9762\u5411\u5bf9\u8c61\u8f6f\u4ef6\u7684\u57fa\u7840\u300b(1994\u5e74, Gang of Four\u5408\u8457) \u6240\u9610\u8ff0\u7684, \u8be5\u6a21\u5f0f\u5728Unreal Engine\u4e2d\u5177\u6709\u6838\u5fc3\u5b9e\u8df5\u4ef7\u503c\u2014\u2014 \u5f3a\u70c8\u63a8\u8350\u9605\u8bfb\u6b64\u4e66, \u56e0\u4e3a\u5f15\u64ce\u5e7f\u6cdb\u91c7\u7528\u4e86\u4e66\u4e2d\u5176\u5b83\u7ecf\u5178\u6a21\u5f0f. \u91c7\u7528\u7ec4\u5408\u6a21\u5f0f\u7684\u5173\u952e\u4f18\u52bf\u5728\u4e8e: \u5c06\u6e38\u620f\u529f\u80fd\u5c01\u88c5\u5728\u72ec\u7acb\u7ec4\u4ef6(\u5982\u751f\u547d\u503c\u7ec4\u4ef6, \u79fb\u52a8\u7ec4\u4ef6) \u800c\u975e\u5e9e\u5927\u6e38\u620f\u7c7b\u4e2d, \u53ef\u907f\u514d\u4ee3\u7801\u9ad8\u5ea6\u8026\u5408\u5f62\u6210\u7684\"\u4ee3\u7801\u56e2\u5757\"\u2014\u2014 \u8fd9\u7c7b\u4ee3\u7801\u56e0\u4e07\u7269\u76f8\u4e92\u4f9d\u8d56\u5bfc\u81f4\u7f16\u8bd1\u8017\u65f6\u6fc0\u589e, \u7ef4\u62a4\u96be\u5ea6\u9661\u589e, \u800c\u7ec4\u4ef6\u5316\u67b6\u6784\u901a\u8fc7\u89e3\u8026\u5b9e\u73b0\u6a21\u5757\u72ec\u7acb\u7f16\u8bd1\u4e0e\u8fed\u4ee3, \u663e\u8457\u63d0\u5347\u5f00\u53d1\u6548\u7387\u4e0e\u4ee3\u7801\u53ef\u7ef4\u62a4\u6027.<br \/>\n$\\\\$ \u7ec4\u4ef6\u7684\u57fa\u7c7b\u662fUActorComponent\u7c7b, \u8be6\u89c1\u53c2\u8003\u6750\u65991.<\/p>\n<p><strong>2.1.18.5 \u5b9e\u65f6\u667a\u80fd\u4f53\u4eff\u771f<\/strong><\/p>\n<p><strong>2.1.18.6 \u4e8b\u4ef6\u4e0e\u6d88\u606f\u4f20\u9012\u7cfb\u7edf<\/strong><\/p>\n<p><strong>2.1.18.7 \u4e16\u754c\u52a0\u8f7d\u4e0e\u6d41\u5f0f\u4f20\u8f93<\/strong><\/p>\n<p><strong>2.1.19 \u6e38\u620f\u7279\u5b9a\u5b50\u7cfb\u7edf\u5c42<\/strong><\/p>\n<p><strong>2.1.19.1 \u6e38\u620f\u7279\u5b9a\u6e32\u67d3<\/strong><\/p>\n<p><strong>2.1.19.1.1 \u5730\u5f62\u6e32\u67d3<\/strong><\/p>\n<p><strong>2.1.19.1.2 \u6c34\u6a21\u62df\u4e0e\u6e32\u67d3<\/strong><\/p>\n<p><strong>2.1.19.2 \u73a9\u5bb6\u673a\u5236<\/strong><\/p>\n<p><strong>2.1.19.2.1 \u72b6\u6001\u673a\u4e0e\u52a8\u753b<\/strong><\/p>\n<p><strong>2.1.19.2.2 \u6e38\u620f\u80fd\u529b\u7cfb\u7edf<\/strong><\/p>\n<p>\u6e38\u620f\u80fd\u529b\u7cfb\u7edf(GAS) \u662f\u4e00\u4e2a\u6846\u67b6, \u7528\u4e8e\u7b80\u5316\u80fd\u529b\u590d\u5236, \u53d6\u6d88, \u65bd\u6cd5, \u6388\u4e88\u53ca\u963b\u6b62\u7b49\u590d\u6742\u903b\u8f91\u7684\u6d41\u7a0b\u5316\u5904\u7406. \u82e5\u6ca1\u6709GAS, \u5f00\u53d1\u8005\u5c06\u4e0d\u5f97\u4e0d\u4f9d\u8d56\u6108\u53d1\u96be\u4ee5\u7ef4\u62a4\u7684\u6742\u4e71\u6761\u4ef6\u6807\u5fd7\u68c0\u67e5, \u8ba1\u65f6\u5668, \u72b6\u6001\u673a\u53ca\u8fdc\u7a0b\u8fc7\u7a0b\u8c03\u7528(RPC) \u6765\u5b9e\u73b0\u80fd\u529b\u903b\u8f91. GAS\u67b6\u6784\u6a21\u5f0f\u6e90\u81ea\u300a\u9b54\u517d\u4e16\u754c\u300b\u2014\u2014 \u8fd9\u6b3e\u6e38\u620f\u663e\u7136\u662f\u5927\u89c4\u6a21\u5e94\u7528\u80fd\u529b\u7cfb\u7edf\u7684\u5178\u578b\u4ee3\u8868.<\/p>\n<p><strong>2.1.19.2.2.1 \u6e38\u620f\u80fd\u529b<\/strong><\/p>\n<p>\u652f\u6301\u84dd\u56fe\u914d\u7f6e\u7684\u529f\u80fd\u6a21\u5757, \u53ef\u52a8\u6001\u6dfb\u52a0\u6216\u79fb\u9664, \u652f\u6301\u624b\u52a8\u64cd\u4f5c\u6216\u8f93\u5165\u4e8b\u4ef6\u89e6\u53d1. \u53ef\u4e0e\u52a8\u753b\u8499\u592a\u5947\u6df1\u5ea6\u96c6\u6210, \u5b9e\u73b0\u6280\u80fd\u6548\u679c\u4e0e\u52a8\u753b\u7684\u7cbe\u51c6\u540c\u6b65. \u7cfb\u7edf\u5185\u7f6e\u7f51\u7edc\u540c\u6b65\u673a\u5236, \u786e\u4fdd\u591a\u4eba\u6e38\u620f\u573a\u666f\u4e0b\u7684\u72b6\u6001\u4e00\u81f4\u6027.<\/p>\n<p><strong>2.1.19.2.2.2 \u6e38\u620f\u73a9\u6cd5\u6548\u679c<\/strong><\/p>\n<p><strong>2.1.19.2.2.2 \u6e38\u620f\u73a9\u6cd5\u6807\u7b7e<\/strong><\/p>\n<p>\u867d\u7136\u6e38\u620f\u73a9\u6cd5\u6807\u7b7e(Gameplay Tags) \u5e76\u975e\u6e38\u620f\u80fd\u529b\u7cfb\u7edf(GAS) \u72ec\u6709, \u4f46\u5b83\u627f\u62c5\u4e86\u80fd\u529b\u903b\u8f91\u4e2d\u7684\"\u6761\u4ef6\u6807\u5fd7\u68c0\u67e5\" \u529f\u80fd. \u8fd9\u662f\u4e00\u4e2a\u7b80\u6d01\u7684\u6807\u7b7e\u5316\u7cfb\u7edf, \u5141\u8bb8\u901a\u8fc7\u4efb\u610f\u5c42\u7ea7\u5b57\u7b26\u4e32(\u5982\"Damage.Fire\" \u6216\"Damage.Fire.Fireball\") \u5bf9\u6e38\u620f\u5bf9\u8c61\u8fdb\u884c\u6807\u8bb0. \u5355\u4e2a\u5bf9\u8c61\u53ef\u540c\u65f6\u6301\u6709\u7236\u7ea7\u6807\u7b7e(\u5982Damage.Fire) \u4e0e\u5b50\u7ea7\u6807\u7b7e(\u5982Damage.Fire.Fireball), \u5b9e\u73b0\u7cbe\u51c6\u7684\u903b\u8f91\u7b5b\u9009\u4e0e\u6548\u679c\u89e6\u53d1.<\/p>\n<p><strong>2.1.19.2.3 \u76f8\u673a\u76f8\u5bf9\u63a7\u5236(\u4eba\u673a\u63a5\u53e3\u8bbe\u5907) \u53ca\u6e38\u620f\u6444\u50cf\u673a\u7cfb\u7edf<\/strong><\/p>\n<p><strong>2.1.19.2.4 \u78b0\u649e\u6d41\u5f62<\/strong><\/p>\n<p><strong>2.1.19.2.5 \u79fb\u52a8<\/strong><\/p>\n<p><strong>2.1.19.3 \u6e38\u620f\u6444\u50cf\u673a\u7cfb\u7edf<\/strong><\/p>\n<p><strong>2.1.19.3.1 \u56fa\u5b9a\u6444\u50cf\u673a<\/strong><\/p>\n<p><strong>2.1.19.3.2 \u811a\u672c\u5316 \/ \u52a8\u753b\u5316\u6444\u50cf\u673a\u7cfb\u7edf<\/strong><\/p>\n<p><strong>2.1.19.3.3 \u73a9\u5bb6\u8ddf\u968f\u6444\u50cf\u673a<\/strong><\/p>\n<p><strong>2.1.19.3.4 \u8c03\u8bd5\u98de\u884c\u7a7f\u8d8a\u6444\u50cf\u673a<\/strong><\/p>\n<p><strong>2.1.19.4 AI<\/strong><\/p>\n<p><strong>2.1.19.4.1 \u76ee\u6807\u4e0e\u51b3\u7b56\u7cfb\u7edf<\/strong><\/p>\n<p><strong>2.1.19.4.2 \u5f15\u64ce\u63a5\u53e3\u52a8\u4f5c\u7cfb\u7edf<\/strong><\/p>\n<p><strong>2.1.19.4.3 \u89c6\u7ebf\u8ffd\u8e2a\u4e0e\u611f\u77e5\u7cfb\u7edf<\/strong><\/p>\n<p><strong>2.1.19.4.4 \u5bfb\u8def(A*\u7b97\u6cd5)<\/strong><\/p>\n<p><strong>2.1.20 \u6e38\u620f\u903b\u8f91\u5c42(\u6e38\u620f\u4ee3\u7801\u67b6\u6784)<\/strong><\/p>\n<p>\u6ce8\u610f: \u8fd9\u5e76\u975e\u5f15\u64ce\u672c\u8eab\u7684\u4e00\u90e8\u5206, \u800c\u662f\u57fa\u4e8e\u5f15\u64ce\u6784\u5efa\u7684\u9644\u52a0\u5185\u5bb9. \u5c06\u5176\u5305\u542b\u5728\u5185\u662f\u56e0\u4e3a\u5b83\u53ef\u80fd\u5177\u6709\u5b9e\u7528\u6027, \u4e14\u80fd\u4f5c\u4e3a\u5bf9\u5f15\u64ce\u5b9e\u9645\u5e94\u7528\u7684\u826f\u597d\u603b\u7ed3.<\/p>\n<p><strong>2.1.20.1 \u5373\u65f6\u6218\u7565(RTS) \u4e0e\u56de\u5408\u5236\u7b56\u7565(TBS)<\/strong><\/p>\n<p><strong>2.1.20.1.1 \u6218\u4e89\u8ff7\u96fe<\/strong><\/p>\n<p><strong>2.1.20.2 \u7b2c\u4e00\u4eba\u79f0\u5c04\u51fb(FPS), \u7b2c\u4e09\u4eba\u79f0\u5c04\u51fb(TPS) \u4e0e\u89d2\u8272\u626e\u6f14(RPG)<\/strong><\/p>\n<p><strong>2.1.20.3 \u6b66\u5668\u7cfb\u7edf<\/strong><\/p>\n<p><strong>2.1.20.4 \u80fd\u529b\u7cfb\u7edf<\/strong><\/p>\n<p><strong>2.2 \u7f16\u8f91\u5668\u67b6\u6784 - \u865a\u5e7b\u5f15\u64ce\u7f16\u8f91\u5668<\/strong><\/p>\n<p><strong>2.2.1 \u9aa8\u9abc\u4e0e\u52a8\u753b<\/strong><\/p>\n<p><strong>2.2.1.1 \u9aa8\u9abc\u7f16\u8f91\u5668<\/strong><\/p>\n<p><strong>2.2.1.2 \u9aa8\u9abc\u7f51\u683c\u7f16\u8f91\u5668<\/strong><\/p>\n<p><strong>2.2.1.3 \u52a8\u753b\u7f16\u8f91\u5668<\/strong><\/p>\n<p><strong>2.2.1.4 \u52a8\u753b\u84dd\u56fe\u7f16\u8f91\u5668<\/strong><\/p>\n<p><strong>2.2.1.5 \u7269\u7406\u7f16\u8f91\u5668<\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u9664\u4e86\u9010\u884c\u67e5\u770b\u6e90\u4ee3\u7801\u6216\u9605\u8bfb\u5b98\u65b9\u6587\u6863\u4e2d\u63d0\u4f9b\u7684\u6709\u9650\u4fe1\u606f\u5916, \u6df1\u5165\u63a2\u8ba8Epic Games\u865a\u5e7b\u5f15\u64ce\u67b6\u6784\u7684\u8d44\u6e90\u5e76\u4e0d\u591a.  &hellip; <a href=\"https:\/\/www.caiqinyi.cn\/index.php\/2025\/09\/22\/unreal_engine_deep_dive\/\" class=\"more-link\">\u7ee7\u7eed\u9605\u8bfb<span class=\"screen-reader-text\">\u865a\u5e7b\u5f15\u64ce\u6df1\u5ea6\u89e3\u6790<\/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":[8,12,9],"tags":[],"_links":{"self":[{"href":"https:\/\/www.caiqinyi.cn\/index.php\/wp-json\/wp\/v2\/posts\/4453"}],"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=4453"}],"version-history":[{"count":54,"href":"https:\/\/www.caiqinyi.cn\/index.php\/wp-json\/wp\/v2\/posts\/4453\/revisions"}],"predecessor-version":[{"id":4513,"href":"https:\/\/www.caiqinyi.cn\/index.php\/wp-json\/wp\/v2\/posts\/4453\/revisions\/4513"}],"wp:attachment":[{"href":"https:\/\/www.caiqinyi.cn\/index.php\/wp-json\/wp\/v2\/media?parent=4453"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.caiqinyi.cn\/index.php\/wp-json\/wp\/v2\/categories?post=4453"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.caiqinyi.cn\/index.php\/wp-json\/wp\/v2\/tags?post=4453"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}