Adds landscape hack

Source/lidarforest/Private/LFLandscapeGrassHack.cpp

@@ -0,0 +1,30 @@
+// Fill out your copyright notice in the Description page of Project Settings.
+
+#include "LFLandscapeGrassHack.h"
+
+// Sets default values
+ALFLandscapeGrassHack::ALFLandscapeGrassHack()
+{
+ 	// Set this actor to call Tick() every frame.  You can turn this off to improve performance if you don't need it.
+	PrimaryActorTick.bCanEverTick = false;	
+	Root = CreateDefaultSubobject<USceneComponent>("Root");
+	RootComponent = Root;
+}
+
+// Called when the game starts or when spawned
+void ALFLandscapeGrassHack::BeginPlay()
+{
+	Super::BeginPlay();
+	UpdateGrass(Landscape);
+}
+
+void ALFLandscapeGrassHack::UpdateGrass(ALandscapeProxy* LandscapeToUpdate)
+{
+	if(!IsValid(LandscapeToUpdate))
+	{
+		UE_LOG(LogTemp, Warning, TEXT("NO landscape has been assigned, cannot recreate grass"));
+		return;
+	}
+	FOccluderVertexArray arr;
+	LandscapeToUpdate->UpdateGrass(arr, true);
+}