small changes to pathfinding; plan to fix bad performance

AdventurePlayerController.cpp

@@ -13,4 +13,31 @@ AAdventurePlayerController::AAdventurePlayerController()
 	PrimaryActorTick.bCanEverTick = true;
 	PrimaryActorTick.bStartWithTickEnabled = true;
 	
+}
+void AAdventurePlayerController::BeginPlay()
+{
+    Super::BeginPlay();
+    World = GetWorld();
+}
+
+void AAdventurePlayerController::SetupInputComponent()
+{
+    // Always call this.
+    Super::SetupInputComponent();
+
+    // This is initialized on startup, you can go straight to binding
+    InputComponent->BindAction("LeftClick", IE_Pressed, this, &AAdventurePlayerController::AdvClick);
+}
+
+void AAdventurePlayerController::AdvClick()
+{
+    FHitResult Hit;
+    GetHitResultUnderCursor(ECollisionChannel::ECC_Vehicle,false,Hit);
+
+    if (IsValid(Hit.GetActor()))
+    {
+        AHexTile* HitHex = (AHexTile*)Hit.GetActor();
+        // MapRef->FindPathAStar(CurrentHex, HitHex);   // this would currently cause a crash...
+        UE_LOG(LogTemp, Warning, TEXT("%d"), HitHex->Index);
+    }
 }