recursiv struct workaround

MasterTestProject.uproject

 {
 	"FileVersion": 3,
-	"EngineAssociation": "4.14",
+	"EngineAssociation": "4.15",
 	"Category": "",
 	"Description": "",
 	"Modules": [
@@ -12,11 +12,5 @@
 				"Engine"
 			]
 		}
-	],
-	"Plugins": [
-		{
-			"Name": "GLTFLoader",
-			"Enabled": true
-		}
 	]
 }
\ No newline at end of file

UnrealGLTFLoader @ 110727d8

-Subproject commit 110727d81d3f44dc58f8b2c09c8c27e4c1b6a3dd

Source/MasterTestProject/MasterTestProjectGameModeBase.cpp

@@ -9,7 +9,8 @@
 void AMasterTestProjectGameModeBase::InitGame(const FString & MapName, const FString & Options, FString & ErrorMessage) {
 	Super::InitGame(MapName, Options, ErrorMessage);
 
-	FString file = "D:\\Dropbox\\Studium\\MasterArbeit\\3d-tiles\\examples\\tileset.json";
+	//FString file = "D:\\Dropbox\\Studium\\MasterArbeit\\3d-tiles\\examples\\tileset.json";
+	FString file = "D:\\Dropbox\\Studium\\MasterArbeit\\3d-tiles-samples\\tilesets\\TilesetWithDiscreteLOD\\tileset.json";
 
 	FString JsonRaw = "";
 	FFileHelper::LoadFileToString(JsonRaw, *file);
@@ -17,19 +18,43 @@ void AMasterTestProjectGameModeBase::InitGame(const FString & MapName, const FSt
 	UE_LOG(TILES, Log, TEXT("Loading file %s"), *file);
 	//UE_LOG(GLTF, Warning, TEXT("LangFile: \n %s"), *JsonRaw);
 
-	//TSharedPtr<FJsonObject> JsonParsed;
-	//TSharedRef<TJsonReader<TCHAR>> JsonReader = TJsonReaderFactory<TCHAR>::Create(JsonRaw);
-	//if (FJsonSerializer::Deserialize(JsonReader, JsonParsed))
-	//{
-	//	FString ExampleString = JsonParsed->GetStringField("geometricError");
-	//	UE_LOG(TILES, Warning, TEXT("Example: \n %s"), *ExampleString);
-	//}
+	TSharedPtr<FJsonObject> JsonParsed;
+	TSharedRef<TJsonReader<TCHAR>> JsonReader = TJsonReaderFactory<TCHAR>::Create(JsonRaw);
+	if (FJsonSerializer::Deserialize(JsonReader, JsonParsed))
+	{
+		FString ExampleString = JsonParsed->GetStringField("geometricError");
+		UE_LOG(TILES, Warning, TEXT("Example: \n %s"), *ExampleString);
 
-	FTileset tileset;
-	bool success = FJsonObjectConverter::JsonObjectStringToUStruct<FTileset>(JsonRaw, &tileset, 0, 0);
+		FTileset tileset;
+		bool success = FJsonObjectConverter::JsonObjectToUStruct<FTileset>(JsonParsed.ToSharedRef() , &tileset, 0, 0);
+		//bool success = FJsonObjectConverter::JsonObjectStringToUStruct<FTileset>(JsonRaw, &tileset, 0, 0);
 
-	UE_LOG(TILES, Warning, TEXT("Parsed: Success:%s Version:\"%s\" geometricError:%f"), success ? TEXT("True") : TEXT("False"), *tileset.asset.version, tileset.geometricError);
+		TSharedPtr<FJsonObject> root = JsonParsed->GetObjectField("root");
+		parseTile(root, &tileset.root);
 
+		UE_LOG(TILES, Warning, TEXT("Parsed: Success:%s Version:\"%s\" geometricError:%f"), success ? TEXT("True") : TEXT("False"), *tileset.asset.version, tileset.geometricError);
+	}
+
+}
+
+void AMasterTestProjectGameModeBase::parseTile(TSharedPtr<FJsonObject> json, FTile *targetTile) {
+
+	bool success = FJsonObjectConverter::JsonObjectToUStruct<FTile>(json.ToSharedRef(), targetTile, 0, 0);
+
+	if (json->HasField("children")) {
+	const TArray<TSharedPtr<FJsonValue>> children = json->GetArrayField("children");
+		UE_LOG(TILES, Warning, TEXT("\nTile: Success:%s Version:\"%s\" Children: "), success ? TEXT("True") : TEXT("False"), *targetTile->content.url);
+
+		for (TSharedPtr<FJsonValue> child : children)
+		{
+			FTile newTile;
+			parseTile(child->AsObject(), &newTile);
+			targetTile->children.Add(newTile);
+		}
+	}
+	else {
+		UE_LOG(TILES, Warning, TEXT("Tile: Success:%s Version:\"%s\" no Childs "), success ? TEXT("True") : TEXT("False"), *targetTile->content.url);
+	}
 
 }
 

Source/MasterTestProject/MasterTestProjectGameModeBase.h

@@ -114,8 +114,9 @@ struct FTile
 	UPROPERTY()
 	FTileContent content;
 
-	UPROPERTY()
-	TArray<FTile> children;
+	//UPROPERTY()
+	//struct FTile children;
+	TArray<struct FTile> children;
 
 	FTile() {
 		float transformDefault[] = { 1.0, 0.0, 0.0, 0.0, 0.0, 1.0, 0.0, 0.0, 0.0, 0.0, 1.0, 0.0, 0.0, 0.0, 0.0, 1.0 };
@@ -157,6 +158,8 @@ class MASTERTESTPROJECT_API AMasterTestProjectGameModeBase : public AGameModeBas
 public:
 	virtual void InitGame(const FString & MapName,	const FString & Options, FString & ErrorMessage);
 
+	void parseTile(TSharedPtr<FJsonObject> json, FTile *targetTile);
+
 	
 	
 };

Source/MasterTestProject/ue4-assimp/ProceduralEntity.cpp

@@ -252,7 +252,7 @@ void AProceduralEntity::loadModel(std::string path) {
 		UE_LOG(GLTF, Error, TEXT("Extension list: %s"), *FString(extensions.c_str()));
 
 		wchar_t buffer[260];
-		GetModuleFileName(NULL, buffer, MAX_PATH);
+	//	GetModuleFileName(NULL, buffer, 260);
 		UE_LOG(GLTF, Error, TEXT("Curretn Path: %s"), *FString(buffer));
 
 		return;