Aaron/particlesheightmapfix (#5873)

* Added local frame option. Fixed inputs for NN

* Add Textures

* Changed texture to grayscale RGB and added check for 'air' particles

* Updated 2k and 4k textures enable parameter for select res texture for deformation

* Fix issue where trying to access TMap when loading

* Use contains functions instead of checking num of elemnts on tmap to make a secure access

Co-authored-by: Axel <axellopez92@outlook.com>

Unreal/CarlaUE4/Plugins/Carla/Source/Carla/Vehicle/CustomTerrainPhysicsComponent.cpp

@@ -1351,9 +1351,11 @@ void UCustomTerrainPhysicsComponent::BeginPlay()
     return;
   }
 
-
   LargeMapManager = UCarlaStatics::GetLargeMapManager(GetWorld());
-  TextureToUpdate = TexturesRes[ChosenRes];
+  if( TexturesRes.Contains(ChosenRes) ){
+    TextureToUpdate = TexturesRes[ChosenRes];
+  }
+
   {
     TRACE_CPUPROFILER_EVENT_SCOPE(InitializeDenseMap);
     SparseMap.Clear();