UnrealProject/Lost_Edge/Source/Lost_Edge/Private/ContentLoader.cpp

@@ -96,6 +96,16 @@ FString UContentLoader::SelectContentByMethod(const TArray<FString>& content, co
     }
 }
 
+void UContentLoader::TryConnectToServer(FContentDownloadedCallback result)
+{
+    FHttpRequestCompleteDelegate indexRequestCallback;
+    indexRequestCallback.BindLambda([=](FHttpRequestPtr request, FHttpResponsePtr response, bool successful)
+        {
+            result.ExecuteIfBound(!successful ? "" : "Connected");
+        });
+    HttpGet(pakIndexUrl, indexRequestCallback);
+}
+
 void UContentLoader::DownloadPak(FContentDownloadedCallback downloadedCallback, const FString& directory, const EContentDownloadMethod method)
 {
     const FString url = FString::Printf(TEXT("%s%s/"), pakIndexUrl, *directory);
@@ -259,4 +269,4 @@ bool UContentLoader::UnloadPak(const FString& pakFilePath)
     FPackageName::UnRegisterMountPoint("/Game/", mountPoint);
 
     return true;
-}
+}

UnrealProject/Lost_Edge/Source/Lost_Edge/Private/ContentLoader.h

@@ -26,6 +26,9 @@ class UContentLoader : public UGameInstanceSubsystem
     GENERATED_BODY()
 
 public:
+    UFUNCTION(BlueprintCallable, Category = "ContentLoader")
+    void TryConnectToServer(FContentDownloadedCallback result);
+
     UFUNCTION(BlueprintCallable, Category = "ContentLoader")
     void DownloadPak(FContentDownloadedCallback downloadedCallback, const FString& directory = "", const EContentDownloadMethod method = EContentDownloadMethod::NonRepeatRandom);
 

UnrealProject/Lost_Edge/Source/Lost_Edge/Private/CustomGameInstance.cpp

@@ -2,6 +2,7 @@
 
 #include "CustomGameInstance.h"
 
+#include "AssetRegistry/AssetRegistryModule.h"
 #include "Kismet/GameplayStatics.h"
 #include "Kismet/KismetSystemLibrary.h"
 
@@ -40,6 +41,7 @@ void UCustomGameInstance::Init()
     else
         saveData = Cast<USaveData>(UGameplayStatics::CreateSaveGameObject(USaveData::StaticClass()));
 
+    (void)GetLevelsList();
     //FCoreUObjectDelegates::PreLoadMap.AddLambda([&](const FString& mapName)
     //    {
     //        if(auto loadingScreen = FModuleManager::LoadModulePtr<FLoadingScreen>("LoadingScreen"))
@@ -78,6 +80,42 @@ UObject* UCustomGameInstance::GetGlobalInstance(UClass* _class)
     return nullptr;
 }
 
+TArray<UWorld*> UCustomGameInstance::GetLevelsList()
+{
+#if WITH_EDITOR
+    return {}; // to slow for editor, just use cmd or open a file 
+#else
+    static TArray<UWorld*> result;
+    if(result.Num() > 0)
+        return result;
+
+    FAssetRegistryModule& arm = FModuleManager::LoadModuleChecked<FAssetRegistryModule>("AssetRegistry");
+    arm.Get().SearchAllAssets(true);
+
+    FARFilter filter;
+    filter.ClassPaths.Add({ "/Script/Engine", "World" });
+    filter.bRecursivePaths = true;
+    filter.PackagePaths.Add(FName("/Game/Levels"));
+
+    TArray<FAssetData> assets;
+    arm.Get().GetAssets(filter, assets);
+
+    result.Reserve(assets.Num());
+    for(auto& i : assets)
+        result.Add(static_cast<UWorld*>(i.GetAsset()));
+
+    return MoveTemp(result);
+#endif
+}
+
+UWorld* UCustomGameInstance::GetCurrentWorld()
+{
+    if(auto GI = Get())
+        return GI->GetWorld();
+
+    return nullptr;
+}
+
 bool UCustomGameInstance::IsGameSaved()
 {
     if(auto GI = Get())

UnrealProject/Lost_Edge/Source/Lost_Edge/Private/CustomGameInstance.h

@@ -30,6 +30,11 @@ public:
     UFUNCTION(BlueprintPure)
     static UObject* GetGlobalInstance(UClass* _class);
 
+    UFUNCTION(BlueprintPure)
+    static TArray<UWorld*> GetLevelsList();
+    UFUNCTION(BlueprintPure)
+    static UWorld* GetCurrentWorld();
+
     /** Return true is save data are present and valid */
     UFUNCTION(BlueprintPure)
     static bool IsGameSaved();