Json to Struct

Source/MasterTestProject/MasterTestProject.Build.cs

@@ -20,7 +20,7 @@ public class MasterTestProject : ModuleRules
     public MasterTestProject(TargetInfo Target)
     {
 
-		PublicDependencyModuleNames.AddRange(new string[] { "Core", "CoreUObject",  "Engine", "InputCore", "ImageWrapper", "RawMesh", "Json", "ProceduralMeshComponent" });
+        PublicDependencyModuleNames.AddRange(new string[] { "Core", "CoreUObject", "Engine", "InputCore", "ImageWrapper", "RawMesh", "Json", "JsonUtilities", "ProceduralMeshComponent" });
 
 
         PrivateDependencyModuleNames.AddRange(new string[] {  });

Source/MasterTestProject/MasterTestProject.cpp

@@ -7,3 +7,4 @@ IMPLEMENT_PRIMARY_GAME_MODULE( FDefaultGameModuleImpl, MasterTestProject, "Maste
 
 //General Log
 DEFINE_LOG_CATEGORY(GLTF);
+DEFINE_LOG_CATEGORY(TILES);

Source/MasterTestProject/MasterTestProject.h

@@ -6,3 +6,5 @@
 
 //General Log
 DECLARE_LOG_CATEGORY_EXTERN(GLTF, Log, All);
+
+DECLARE_LOG_CATEGORY_EXTERN(TILES, Log, All);

Source/MasterTestProject/MasterTestProjectGameModeBase.cpp

@@ -2,6 +2,7 @@
 
 #include "MasterTestProject.h"
 #include "JsonReader.h"
+#include "JsonObjectConverter.h"
 #include "MasterTestProjectGameModeBase.h"
 
 
@@ -13,16 +14,21 @@ void AMasterTestProjectGameModeBase::InitGame(const FString & MapName, const FSt
 	FString JsonRaw = "";
 	FFileHelper::LoadFileToString(JsonRaw, *file);
 
-	UE_LOG(GLTF, Log, TEXT("Loading file %s"), *file);
+	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(GLTF, 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);
+
+	UE_LOG(TILES, Warning, TEXT("Parsed: Success:%s Version:\"%s\" geometricError:%f"), success ? TEXT("True") : TEXT("False"), *tileset.asset.version, tileset.geometricError);
 
 
 }

Source/MasterTestProject/MasterTestProjectGameModeBase.h

@@ -6,6 +6,146 @@
 #include "MasterTestProjectGameModeBase.generated.h"
 
 
+
+USTRUCT()
+struct FAsset
+{
+	GENERATED_USTRUCT_BODY()
+
+	UPROPERTY()
+	FString version;
+
+	UPROPERTY()
+	FString tilesetVersion;
+
+	FAsset() {
+		version = "";
+		tilesetVersion = "";
+	}
+};
+
+
+USTRUCT()
+struct FProperties
+{
+	GENERATED_USTRUCT_BODY()
+
+	UPROPERTY()
+	float maximum;
+
+	UPROPERTY()
+	float minimum;
+};
+
+USTRUCT()
+struct FPropertieDict
+{
+	GENERATED_USTRUCT_BODY()
+	//FIXME  should be a map or so, found no Unreal doc, values are from an example
+	/*"patternProperties" : {
+                ".*": {
+                    "$ref": "properties.schema.json"
+                }
+           }*/
+
+	UPROPERTY()
+	FProperties Longitude;
+
+	UPROPERTY()
+	FProperties Latitude;
+	
+	UPROPERTY()
+	FProperties Height;
+};
+
+
+
+USTRUCT()
+struct FBoundingVolume
+{
+	GENERATED_USTRUCT_BODY()
+	//TODO only one in Unreal
+	
+	UPROPERTY()
+	TArray<float> box; //12 Elemete
+
+	UPROPERTY()
+	TArray<float> region; //6 Elemete
+
+	UPROPERTY()
+	TArray<float> sphere; //4 Elemete
+};
+
+USTRUCT()
+struct FTileContent
+{
+	GENERATED_USTRUCT_BODY()
+
+	UPROPERTY()
+	FBoundingVolume boundingVolume;
+
+	UPROPERTY()
+	FString url;
+};
+
+
+
+USTRUCT()
+struct FTile
+{
+	GENERATED_USTRUCT_BODY()
+
+	UPROPERTY()
+	FBoundingVolume boundingVolume;
+
+	UPROPERTY()
+	FBoundingVolume viewerRequestVolume;
+
+	UPROPERTY()
+	float geometricError;
+
+	UPROPERTY()
+	FString refine; //TODO: "enum" : ["add", "replace"]
+
+	UPROPERTY()
+	TArray<float> transform; //16 Elemete
+	//TODO "default" : [ 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 ]
+
+	UPROPERTY()
+	FTileContent content;
+
+	UPROPERTY()
+	TArray<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 };
+		transform.Empty();
+		transform.Append(transformDefault, 16);
+	}
+};
+
+USTRUCT()
+struct FTileset
+{
+	GENERATED_USTRUCT_BODY()
+
+	UPROPERTY()
+	FAsset asset;
+
+	UPROPERTY()
+	FPropertieDict properties;
+
+	UPROPERTY()
+	float geometricError;
+
+	UPROPERTY()
+	FTile root;
+
+	FTileset() {
+		geometricError = -1;
+	}
+};
+
 /**
  * 
  */