update network in unreal

Author: ckf104

_posts/UE/Network/2025-06-04 Network2 in Unreal.md

@@ -0,0 +1,16 @@
+
+TODO：解释服务器上的 UNetConnection 的 `OwningActor`，梳理 actor replication 流程
+
+### 基本的宏与函数
+关于下面这些宏和函数的区分
+* `UE_SERVER`
+* `UE_GAME`
+* `WITH_SERVER_CODE`
+* `FPlatformProperties::IsServerOnly`
+* `FPlatformProperties::IsGameOnly`
+* `FPlatformProperties::IsClientOnly`
+
+参考
+* [UE4之宏与预编译指令定义](https://www.cnblogs.com/kekec/p/18208393 "发布于 2024-05-25 16:53")
+* [What’s the difference between UE_SERVER and WITH_SERVER_CODE](https://forums.unrealengine.com/t/whats-the-difference-between-ue-server-and-with-server-code/124652)
+* [UE4中的网络模式](https://zhuanlan.zhihu.com/p/38074925)