Merge pull request #237 from carla-simulator/ue4.18

Upgrade to Unreal Engine 4.18

Docs/how_to_build_on_linux.md

@@ -25,12 +25,12 @@ Build Unreal Engine
     need to add your GitHub username when you sign up at
     [www.unrealengine.com](https://www.unrealengine.com).
 
-Download and compile Unreal Engine 4.17. Here we will assume you install it at
-"~/UnrealEngine_4.17", but you can install it anywhere, just replace the path
+Download and compile Unreal Engine 4.18. Here we will assume you install it at
+"~/UnrealEngine_4.18", but you can install it anywhere, just replace the path
 where necessary.
 
-    $ git clone --depth=1 -b 4.17 https://github.com/EpicGames/UnrealEngine.git ~/UnrealEngine_4.17
-    $ cd ~/UnrealEngine_4.17
+    $ git clone --depth=1 -b 4.18 https://github.com/EpicGames/UnrealEngine.git ~/UnrealEngine_4.18
+    $ cd ~/UnrealEngine_4.18
     $ ./Setup.sh && ./GenerateProjectFiles.sh && make
 
 Check Unreal's documentation
@@ -61,7 +61,7 @@ To build CARLA, use the rebuild script. This script deletes all intermediate
 files, rebuilds whole CARLA, and launches the editor. Use it too for making a
 clean rebuild of CARLA
 
-    $ UE4_ROOT=~/UnrealEngine_4.17 ./Rebuild.sh
+    $ UE4_ROOT=~/UnrealEngine_4.18 ./Rebuild.sh
 
 It looks at the environment variable `UE4_ROOT` to find the right version of
 Unreal Engine. You can also add this variable to your "~/.bashrc" or similar.
@@ -91,7 +91,7 @@ Launching the editor
 To open the editor once the project is already built
 
     $ cd Unreal/CarlaUE4
-    $ ~/UnrealEngine_4.17/Engine/Binaries/Linux/UE4Editor "$PWD/CarlaUE4.uproject"
+    $ ~/UnrealEngine_4.18/Engine/Binaries/Linux/UE4Editor "$PWD/CarlaUE4.uproject"
 
 Test (Optional)
 ---------------

Unreal/CarlaUE4/.gitignore

@@ -17,3 +17,4 @@ Config/CarlaSettings.ini
 
 CMakeLists.txt
 Makefile
+.vscode

Unreal/CarlaUE4/CarlaUE4.uproject

@@ -1,6 +1,6 @@
 {
 	"FileVersion": 3,
-	"EngineAssociation": "4.17",
+	"EngineAssociation": "4.18",
 	"Category": "",
 	"Description": "",
 	"Modules": [

Unreal/CarlaUE4/Plugins/Carla/Source/Carla/CityMapGenerator.cpp

@@ -291,7 +291,7 @@ void ACityMapGenerator::GenerateRoadMap()
 #endif // WITH_EDITOR
 
   if (bSaveRoadMapToDisk) {
-    RoadMap->SaveAsPNG(FPaths::GameSavedDir(), World->GetMapName());
+    RoadMap->SaveAsPNG(FPaths::ProjectSavedDir(), World->GetMapName());
   }
 
 #if WITH_EDITOR

Unreal/CarlaUE4/Plugins/Carla/Source/Carla/DynamicWeather.cpp

@@ -21,7 +21,7 @@ static FString GetIniFileName(const FString &MapName = TEXT(""))
 
 static bool GetWeatherIniFilePath(const FString &FileName, FString &FilePath)
 {
-  FilePath = FPaths::Combine(FPaths::GameConfigDir(), FileName);
+  FilePath = FPaths::Combine(FPaths::ProjectConfigDir(), FileName);
   const bool bFileExists = FPaths::FileExists(FilePath);
   if (!bFileExists) {
     UE_LOG(LogCarla, Warning, TEXT("\"%s\" not found"), *FilePath);

Unreal/CarlaUE4/Plugins/Carla/Source/Carla/SceneCaptureToDiskCamera.cpp

@@ -12,7 +12,7 @@
 
 ASceneCaptureToDiskCamera::ASceneCaptureToDiskCamera(const FObjectInitializer& ObjectInitializer) :
   Super(ObjectInitializer),
-  SaveToFolder(FPaths::Combine(FPaths::GameSavedDir(), "SceneCaptures")),
+  SaveToFolder(FPaths::Combine(FPaths::ProjectSavedDir(), "SceneCaptures")),
   FileName("capture_%05d.png") {}
 
 void ASceneCaptureToDiskCamera::BeginPlay()

Unreal/CarlaUE4/Plugins/Carla/Source/Carla/Settings/CarlaSettings.cpp

@@ -145,7 +145,7 @@ void UCarlaSettings::LoadSettings()
 {
   CurrentFileName = TEXT("");
   // Load settings from project Config folder if present.
-  LoadSettingsFromFile(FPaths::Combine(FPaths::GameConfigDir(), TEXT("CarlaSettings.ini")), false);
+  LoadSettingsFromFile(FPaths::Combine(FPaths::ProjectConfigDir(), TEXT("CarlaSettings.ini")), false);
   // Load settings given by command-line arg if provided.
   {
     FString FilePath;