Source/LuckyWorldV2/LuckyWorldV2.Build.cs

@@ -18,7 +18,8 @@ public class LuckyWorldV2 : ModuleRules
 			"LuckyTextWrite",
 			"SocketIOClient",
 			"VaRest",
-            "SIOJson"
+            "SIOJson",
+            "NavigationSystem"
         });
 
 		PrivateDependencyModuleNames.AddRange(new string[] {  });

Source/LuckyWorldV2/Private/Gameplay/TargetSelector.cpp

@@ -2,6 +2,8 @@
 
 
 #include "Gameplay/TargetSelector.h"
+#include "Kismet/GameplayStatics.h"
+#include "NavigationSystem.h"
 
 // Sets default values
 ATargetSelector::ATargetSelector()
@@ -23,5 +25,25 @@ void ATargetSelector::Tick(float DeltaTime)
 {
 	Super::Tick(DeltaTime);
 
+	if (bIsTracing)
+	{
+		APlayerController* PlayerController = UGameplayStatics::GetPlayerController(this, 0);
+		if (PlayerController)
+		{
+			FHitResult HitResult;
+			PlayerController->GetHitResultUnderCursorByChannel(ETraceTypeQuery::TraceTypeQuery1, true, HitResult);
+			if (HitResult.bBlockingHit)
+			{
+				UNavigationSystemV1* NavSys = FNavigationSystem::GetCurrent<UNavigationSystemV1>(GetWorld());
+				
+				if (NavSys)
+				{
+					FNavLocation NavLocation;
+					NavSys->ProjectPointToNavigation(HitResult.Location, NavLocation);
+					SetActorLocation(NavLocation);
+				}
+			}
+		}
+	}
 }