PilotLevelActor()

在 Editor 内选中一个放入到 Level 中的 Actor，右键选择 Pilot 或者按 Ctrl + Shift + P 都可以直接将视角锁定到目标 Actor 并且可以控制其移动，因为不需要 Play 所以会方便一些，对于一些光源之类 Actor 的调整，通过 Pilot 也可以得到一个比较清晰明了的效果。

配置

首先要在 Editor 的 Plugin 里面把 Editor Scripting Utilities 这个插件打开

然后在 Build.cs 文件里面加上 Module 名 EditorScriptingUtilities

// Copyright Epic Games, Inc. All Rights Reserved.

using UnrealBuildTool;

public class UnLuaTest : ModuleRules
{
 public UnLuaTest(ReadOnlyTargetRules Target) : base(Target)
 {
  PCHUsage = PCHUsageMode.UseExplicitOrSharedPCHs;

  // 就是这个 EditorScriptingUtilities
  PublicDependencyModuleNames.AddRange(new string[] { "Core", "CoreUObject", "Engine", "InputCore",
   "EditorScriptingUtilities" });

  PrivateDependencyModuleNames.AddRange(new string[] {  });

  // Uncomment if you are using Slate UI
  // PrivateDependencyModuleNames.AddRange(new string[] { "Slate", "SlateCore" });

  // Uncomment if you are using online features
  // PrivateDependencyModuleNames.Add("OnlineSubsystem");

  // To include OnlineSubsystemSteam, add it to the plugins section in your uproject file with the Enabled attribute set to true
 }
}

使用

主要就是俩函数，贴一下就完事了

/* EditorLevelLibrary.h */

/** 开始 Pilot ActorToPilot */
UFUNCTION(BlueprintCallable, Category = "Editor Scripting | Level Utility", meta=(DevelopmentOnly))
static void PilotLevelActor(AActor* ActorToPilot);

/** 停止 Pliot */
UFUNCTION(BlueprintCallable, Category = "Editor Scripting | Level Utility", meta=(DevelopmentOnly))
static void EjectPilotLevelActor();

不行，这样这篇 Blog 太短了，再把实现复制粘贴下凑字数

void UEditorLevelLibrary::PilotLevelActor(AActor* ActorToPilot)
{
 FLevelEditorModule& LevelEditorModule = FModuleManager::GetModuleChecked<FLevelEditorModule>
 ("LevelEditor");

 TSharedPtr<SLevelViewport> ActiveLevelViewport = LevelEditorModule.GetFirstActiveLevelViewport();
 if (ActiveLevelViewport.IsValid())
 {
  FLevelEditorViewportClient& LevelViewportClient = ActiveLevelViewport->GetLevelViewportClient();

  LevelViewportClient.SetActorLock(ActorToPilot);
  if (LevelViewportClient.IsPerspective() && LevelViewportClient.GetActiveActorLock().IsValid())
  {
   LevelViewportClient.MoveCameraToLockedActor();
  }
 }
}

void UEditorLevelLibrary::EjectPilotLevelActor()
{
 FLevelEditorModule& LevelEditorModule = FModuleManager::GetModuleChecked<FLevelEditorModule>
 ("LevelEditor");

 TSharedPtr<SLevelViewport> ActiveLevelViewport = LevelEditorModule.GetFirstActiveLevelViewport();
 if (ActiveLevelViewport.IsValid())
 {
  FLevelEditorViewportClient& LevelViewportClient = ActiveLevelViewport->GetLevelViewportClient();

  if (AActor* LockedActor = LevelViewportClient.GetActiveActorLock().Get())
  {
   //// Check to see if the locked actor was previously overriding the camera settings
   //if (CanGetCameraInformationFromActor(LockedActor))
   //{
   //	// Reset the settings
   //	LevelViewportClient.ViewFOV = LevelViewportClient.FOVAngle;
   //}

   LevelViewportClient.SetActorLock(nullptr);

   // remove roll and pitch from camera when unbinding from actors
   GEditor->RemovePerspectiveViewRotation(true, true, false);
  }
 }
}

ue4

UE PilotLevelActor

PilotLevelActor()

配置

使用