vault backup: 2024-05-27 12:39:37

02-Note/DAWA/ASoul/流程笔记/角色流程.md

@@ -9,11 +9,50 @@
 - void AfterAttachToNewParent();
 	
 ## OnRep_AttachmentReplication()
-同步Attachment行为。主要是针对 不同角色执行不同的Attachment行为。
 注释：
 >// 动捕模式下，CanSync=false. 各端自行计算Actor Location, client无需使用Server计算结果  
-  // 自由行走模式下, CanSync=true，client需要同步server的transform信息
+  // 自由行走模式下, CanSync=true，client需要同步server的transform信息。
 
+同步Attachment行为。主要是针对 不同角色执行不同的Attachment行为。
+在AActor::OnRep_AttachmentReplication()的基础上添加：
+```c++
+	if (attachmentReplication.AttachParent)
+	{
+		if (RootComponent)
+		{
+			USceneComponent* AttachParentComponent = (attachmentReplication.AttachComponent ? attachmentReplication.AttachComponent : attachmentReplication.AttachParent->GetRootComponent());
+			if (AttachParentComponent)
+			{
+				if(CanSync)
+				{
+					RootComponent->SetRelativeLocation_Direct(attachmentReplication.LocationOffset);
+					RootComponent->SetRelativeRotation_Direct(attachmentReplication.RotationOffset);
+					RootComponent->SetRelativeScale3D_Direct(attachmentReplication.RelativeScale3D);
+				}
+				
+				// If we're already attached to the correct Parent and Socket, then the update must be position only.
+				// AttachToComponent would early out in this case.
+				// Note, we ignore the special case for simulated bodies in AttachToComponent as AttachmentReplication shouldn't get updated
+				// if the body is simulated (see AActor::GatherMovement).
+				const bool bAlreadyAttached = (AttachParentComponent == RootComponent->GetAttachParent() && attachmentReplication.AttachSocket == RootComponent->GetAttachSocketName() && AttachParentComponent->GetAttachChildren().Contains(RootComponent));
+				if (bAlreadyAttached)
+				{
+					// Note, this doesn't match AttachToComponent, but we're assuming it's safe to skip physics (see comment above).
+					if(CanSync)
+					{
+						RootComponent->UpdateComponentToWorld(EUpdateTransformFlags::SkipPhysicsUpdate, ETeleportType::None);
+					}
+				}
+				else
+				{
+					BeforeAttachToNewParent();//
+					RootComponent->AttachToComponent(AttachParentComponent, FAttachmentTransformRules::KeepRelativeTransform, attachmentReplication.AttachSocket);
+					AfterAttachToNewParent();
+				}
+			}
+		}
+	}
+```
 
 # TsIdolActor.ts
 ## VirtualOverrider