DownloadFile

Config/DefaultEngine.ini

@@ -76,3 +76,12 @@ AppliedTargetedHardwareClass=Mobile
 DefaultGraphicsPerformance=Scalable
 AppliedDefaultGraphicsPerformance=Scalable
 
+[HTTP]
+HttpTimeout=300
+HttpConnectionTimeout=-1
+HttpReceiveTimeout=-1
+HttpSendTimeout=-1
+HttpMaxConnectionsPerServer=16
+bEnableHttp=true
+bUseNullHttp=false
+HttpDelayTime=0

Source/MasterTestProject/GLTF/StaticGLTFComponent.cpp

@@ -49,12 +49,6 @@ void UStaticGLTFComponent::OnRegister()
 	else {
 		ImportNodes( Scene->scenes[Scene->defaultScene], newrawmesh, FMatrix());
 	}
-
-
-	
-	
-	
-	
 }
 
 

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", "JsonUtilities", "ProceduralMeshComponent" });
+        PublicDependencyModuleNames.AddRange(new string[] { "Core", "CoreUObject", "Engine", "InputCore", "ImageWrapper", "RawMesh", "HTTP", "Json", "JsonUtilities", "ProceduralMeshComponent" });
 
 
         PrivateDependencyModuleNames.AddRange(new string[] {  });

Source/MasterTestProject/MasterTestProjectGameModeBase.cpp

@@ -10,31 +10,43 @@ void AMasterTestProjectGameModeBase::InitGame(const FString & MapName, const FSt
 	Super::InitGame(MapName, Options, ErrorMessage);
 
 	//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 base = "D:\\Dropbox\\Studium\\MasterArbeit\\";
+	FString base = "file:/H:\\Repositories\\MasterArbeit\\";
+	FString file = base+"3d-tiles-samples\\tilesets\\..\\tilesets\\TilesetWithRequestVolume\\tileset.json";
+
+	rootTileset = nullptr;
+
+	DownloadFile(file);
 
 	FString JsonRaw = "";
-	FFileHelper::LoadFileToString(JsonRaw, *file);
+//	FFileHelper::LoadFileToString(JsonRaw, *file);
 
-	UE_LOG(TILES, Log, TEXT("Loading file %s"), *file);
+//	UE_LOG(TILES, Log, TEXT("Loading file %s"), *file);
 	//UE_LOG(GLTF, Warning, TEXT("LangFile: \n %s"), *JsonRaw);
 
+	//FTileset* tileset = parseTileset(JsonRaw);
+	//DownloadFile(file, tileset->root.children[0].content.url);
+}
+
+FTileset* AMasterTestProjectGameModeBase::parseTileset(FString JsonString)
+{
+	//TODO error Handling
 	TSharedPtr<FJsonObject> JsonParsed;
-	TSharedRef<TJsonReader<TCHAR>> JsonReader = TJsonReaderFactory<TCHAR>::Create(JsonRaw);
+	TSharedRef<TJsonReader<TCHAR>> JsonReader = TJsonReaderFactory<TCHAR>::Create(JsonString);
 	if (FJsonSerializer::Deserialize(JsonReader, JsonParsed))
 	{
-		FString ExampleString = JsonParsed->GetStringField("geometricError");
-		UE_LOG(TILES, Warning, TEXT("Example: \n %s"), *ExampleString);
-
-		FTileset tileset;
-		bool success = FJsonObjectConverter::JsonObjectToUStruct<FTileset>(JsonParsed.ToSharedRef() , &tileset, 0, 0);
-		//bool success = FJsonObjectConverter::JsonObjectStringToUStruct<FTileset>(JsonRaw, &tileset, 0, 0);
+		FTileset *tileset = new FTileset();
+		bool success = FJsonObjectConverter::JsonObjectToUStruct<FTileset>(JsonParsed.ToSharedRef(), tileset, 0, 0);
 
 		TSharedPtr<FJsonObject> root = JsonParsed->GetObjectField("root");
-		parseTile(root, &tileset.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);
 
-		UE_LOG(TILES, Warning, TEXT("Parsed: Success:%s Version:\"%s\" geometricError:%f"), success ? TEXT("True") : TEXT("False"), *tileset.asset.version, tileset.geometricError);
+		return tileset;
 	}
 
+	return nullptr;
 }
 
 void AMasterTestProjectGameModeBase::parseTile(TSharedPtr<FJsonObject> json, FTile *targetTile) {
@@ -56,5 +68,64 @@ void AMasterTestProjectGameModeBase::parseTile(TSharedPtr<FJsonObject> json, FTi
 		UE_LOG(TILES, Warning, TEXT("Tile: Success:%s Version:\"%s\" no Childs "), success ? TEXT("True") : TEXT("False"), *targetTile->content.url);
 	}
 
+	if (!targetTile->content.url.IsEmpty()) {
+		TSharedRef<IHttpRequest> request = DownloadFile(/*base url*/, targetTile->content.url);
+
+	}
+
+}
+
+
+
+TSharedRef<IHttpRequest> AMasterTestProjectGameModeBase::DownloadFile(const FString & BaseUrl, const FString & RelativeUrl)
+{
+	FString Path, Filename, Extension;
+	FPaths::Split(BaseUrl, Path, Filename, Extension);
+	FString url = Path + "/" + RelativeUrl;
+
+	UE_LOG(TILES, Warning, TEXT("Downlaoding: BAse:%s, Relative %s "), *BaseUrl, *RelativeUrl);
+
+	return DownloadFile(url);
+	//DownloadFile(TEXT("http://ipv4.download.thinkbroadband.com/20MB.zip"));
+}
+
+TSharedRef<IHttpRequest> AMasterTestProjectGameModeBase::DownloadFile(const FString & Url)
+{
+	TSharedRef< IHttpRequest > HttpRequest = FHttpModule::Get().CreateRequest();
+	HttpRequest->SetVerb("GET");
+	HttpRequest->SetURL(Url);
+	HttpRequest->OnProcessRequestComplete().BindUObject(this, &AMasterTestProjectGameModeBase::OnReady);
+	HttpRequest->OnRequestProgress().BindUObject(this, &AMasterTestProjectGameModeBase::OnProgress_Internal);
+
+	// Execute the request
+	UE_LOG(TILES, Warning, TEXT("Downlaoding: %s "), *HttpRequest->GetURL());
+
+	HttpRequest->ProcessRequest();
+	return HttpRequest;
+}
+
+void AMasterTestProjectGameModeBase::OnReady(FHttpRequestPtr Request, FHttpResponsePtr Response, bool bWasSuccessful)
+{
+	if (Response.IsValid()) {
+		
+//		UE_LOG(TILES, Warning, TEXT("Downlaod Finished: %s Scucess: %s \"%s\""), *Request->GetURL(), bWasSuccessful ? TEXT("True") : TEXT("False"), *Response->GetContentAsString());
+
+		if (Request->GetURL().EndsWith(TEXT(".json"))) {
+			FTileset* tileset = parseTileset(Response->GetContentAsString());
+
+			if (rootTileset == nullptr) {
+				rootTileset = tileset;
+			}
+			Response->GetContent();
+		}
+	}
+	else {
+		 UE_LOG(TILES, Warning, TEXT("Downlaod Finished: %s Scucess: %s not Valid"), *Request->GetURL(), bWasSuccessful ? TEXT("True") : TEXT("False"));
+	}
+}
+
+void AMasterTestProjectGameModeBase::OnProgress_Internal(FHttpRequestPtr Request, int32 BytesSent, int32 BytesReceived)
+{
+	UE_LOG(TILES, Warning, TEXT("Downlaod Progress: %s Sent:%d,  Received:%d  "), *Request->GetURL(), BytesSent, BytesReceived);
 }
 

Source/MasterTestProject/MasterTestProjectGameModeBase.h

@@ -3,6 +3,8 @@
 #pragma once
 
 #include "GameFramework/GameModeBase.h"
+
+#include "Runtime/Online/HTTP/Public/Http.h"
 #include "MasterTestProjectGameModeBase.generated.h"
 
 
@@ -86,6 +88,10 @@ struct FTileContent
 
 	UPROPERTY()
 	FString url;
+
+	TArray<uint8> content;
+//	FTileset tileset;
+
 };
 
 
@@ -158,8 +164,20 @@ class MASTERTESTPROJECT_API AMasterTestProjectGameModeBase : public AGameModeBas
 public:
 	virtual void InitGame(const FString & MapName,	const FString & Options, FString & ErrorMessage);
 
+	FTileset* parseTileset(FString JsonString);
+
+	TSharedRef<IHttpRequest> DownloadFile(const FString &BaseUrl, const FString &RelativeUrl);
+	TSharedRef<IHttpRequest> DownloadFile(const FString &Url);
+
+	FTileset *rootTileset;
+
+	TMap<FHttpRequestPtr, FTileContent> activeRequests;
+
+private:
+
 	void parseTile(TSharedPtr<FJsonObject> json, FTile *targetTile);
 
-	
+	void OnReady(FHttpRequestPtr Request, FHttpResponsePtr Response, bool bWasSuccessful);
+	void OnProgress_Internal(FHttpRequestPtr Request, int32 BytesSent, int32 BytesReceived);
 	
 };