Dungeon Architect

[Ali Akbar]

I've got world composition supported in the snap builder

However there's a limitation. The engine doesn't allow me to stream the same level multiple times. One level can be stream only once at a particular location. This doesn't work as we might need to spawn a module (like corridor/room) multiple times across the map

As a workaround, I'll create a folder in the same location as the base map, then make a copy of each module map into that folder and stream that in, this way each modules copy is unique


Foliage works properly with the new world composition system

I added grass on the spawn module. It shows up properly on the generated map

[uced]

Thanks again Ali, super fast and useful answer !

I'll definitely check Visual Assist, it's the not first time i hear about it^^

[Ali Akbar]

I made a simple city builder for the unity version a while ago. It is a basic grid based rectangular road network with proper markers to setup roads (T junctions, X junctions, etc), buildings facing streets, parks in the middle

I'll bring it to UE4 soon

[RedSaturnSix]

That's settled it. Buying on payday. ^_^

[sylvain_l]

I made a simple city builder for the unity version a while ago. It is a basic grid based rectangular road network with proper markers to setup roads (T junctions, X junctions, etc), buildings facing streets, parks in the middle

I'll bring it to UE4 soon

woaw, that's realy a great news. I'm looking forward to play with this

[Sitrec]

I made a simple city builder for the unity version a while ago. It is a basic grid based rectangular road network with proper markers to setup roads (T junctions, X junctions, etc), buildings facing streets, parks in the middle

I'll bring it to UE4 soon

That looks really interesting. Will this replace City Architect or do you still plan on finishing it?

[Ali Akbar]

That looks really interesting. Will this replace City Architect or do you still plan on finishing it?

I plan on finishing it with OpenStreetMap. I was looking at the OSM Overpass API and the protocol specs recently

[Ali Akbar]

The world composition method is too restrictive. The workaround would make it work only in the editor (as cloning of worlds is part of the editor API). I'm looking at fixing the original spawn code

[MSTF]

The world composition method is too restrictive. The workaround would make it work only in the editor (as cloning of worlds is part of the editor API). I'm looking at fixing the original spawn code

Hi (Merhaba) Ali,

I'm just not sure but please look at https://forums.unrealengine.com/show...ll=1#post18007 Probably this is what you want (Spawn same sub-level more than once.)

[Mr_SquarePeg]

I made a simple city builder for the unity version a while ago. It is a basic grid based rectangular road network with proper markers to setup roads (T junctions, X junctions, etc), buildings facing streets, parks in the middle

I'll bring it to UE4 soon

I was wondering when this would come to unreal engine.

Will we be able to use theme files like normal with the city builder? If so...

[Bioblaze]

I made a simple city builder for the unity version a while ago. It is a basic grid based rectangular road network with proper markers to setup roads (T junctions, X junctions, etc), buildings facing streets, parks in the middle

I'll bring it to UE4 soon

o.o Your Awesome... I spent 3 Years developing a Procedurally generated game in unity, City, Building, @.@ and had to Switch to unreal engine :X I cant wait to buy this. Lolz

[Mr_SquarePeg]

So - Just got looking at the tutorial videos on YouTube for Dungeon Architect. Looks like I would have to define a Base City theme and then define a bunch of sub themes and overwrite the various bits of city that I want with them override volumes.

That said - The ability to connect multiple dungeons (or in my case Cities) together would be great. Would that be possible? I think that would be a great way to circumvent the problem you are facing with World Composition. So basically make the City Builder have an entrance or Exit which an artist can make it connect to another level manually.

Either way just a thought.

- HeadClot

[Ali Akbar]

So - Just got looking at the tutorial videos on YouTube for Dungeon Architect. Looks like I would have to define a Base City theme and then define a bunch of sub themes and overwrite the various bits of city that I want with them override volumes.

That said - The ability to connect multiple dungeons (or in my case Cities) together would be great. Would that be possible? I think that would be a great way to circumvent the problem you are facing with World Composition. So basically make the City Builder have an entrance or Exit which an artist can make it connect to another level manually.

Either way just a thought.

- HeadClot

[MENTION=260]HeadClot[/MENTION] that should be possible. I'll have a demo of this soon and I'm open to suggestions

[Ali Akbar]

Hi (Merhaba) Ali,

I'm just not sure but please look at https://forums.unrealengine.com/show...ll=1#post18007 Probably this is what you want (Spawn same sub-level more than once.)

Thank you [MENTION=22103]MSTF[/MENTION]. That is very useful. This works during runtime, however the editor gives errors since we change the package names as a workaround in that thread. So I've made two implementations, one for the editor and another for the runtime. If it is a runtime only build (e.g. standalone game) it would use the implementation mentioned in the thread. If we are in the editor, I use the editor services to clone the level files and map them to the world composition so we don't get any warnings in the editor

This way it solves the problem in both editor and non-editor builds

Here's the code, if anyone is interested on getting something like this done


Non-Editor Builds (e.g. standalone)

ULevel* FDungeonNonEditorFallbackService::CreateStreamingLevelInstance(UWorld* InWorld, const FTransform& Transform, const TAssetPtr<UWorld>& WorldAsset, UClass* LevelStreamingClass) {
	ULevel* NewLevel = NULL;
	if (LevelStreamingClass == NULL) {
		return NULL;
	}

	ULevelStreaming* StreamingLevel = NewObject<ULevelStreaming>(InWorld, LevelStreamingClass, NAME_None, RF_NoFlags, NULL);

	FString PackageName = WorldAsset.GetLongPackageName();
	FString UniquePackageName = PackageName + "_" + FGuid::NewGuid().ToString();
	StreamingLevel->SetWorldAssetByPackageName(FName(*UniquePackageName));

	StreamingLevel->LevelTransform = Transform;
	StreamingLevel->PackageNameToLoad = FName(*PackageName);
	StreamingLevel->bShouldBeLoaded = true;
	StreamingLevel->bShouldBeVisible = true;
	StreamingLevel->bShouldBlockOnLoad = false;
	StreamingLevel->LevelColor = FLinearColor::MakeRandomColor();

	// Add the new level to world.
	InWorld->StreamingLevels.Add(StreamingLevel);

	// Refresh just the newly created level.
	TArray<ULevelStreaming*> LevelsForRefresh;
	LevelsForRefresh.Add(StreamingLevel);
	InWorld->RefreshStreamingLevels(LevelsForRefresh);
	InWorld->MarkPackageDirty();

	NewLevel = StreamingLevel->GetLoadedLevel();
	if (NewLevel != nullptr)
	{
		//EditorLevelUtils::SetLevelVisibility(NewLevel, true, true);

		// Levels migrated from other projects may fail to load their world settings
		// If so we create a new AWorldSettings actor here.
		if (NewLevel->GetWorldSettings(false) == nullptr)
		{
			UWorld* SubLevelWorld = CastChecked<UWorld>(NewLevel->GetOuter());

			FActorSpawnParameters SpawnInfo;
			SpawnInfo.SpawnCollisionHandlingOverride = ESpawnActorCollisionHandlingMethod::AlwaysSpawn;
			SpawnInfo.Name = GEngine->WorldSettingsClass->GetFName();
			AWorldSettings* NewWorldSettings = SubLevelWorld->SpawnActor<AWorldSettings>(GEngine->WorldSettingsClass, SpawnInfo);

			NewLevel->SetWorldSettings(NewWorldSettings);
		}
	}

	return NewLevel;
}

Editor Builds

	template<typename T>
	static T* CloneAsset(const FString& TemplatePath, const FString& TargetName, const FString& TargetDirectory) {
		T* Template = LoadObject<T>(NULL, *TemplatePath, NULL, LOAD_None, NULL);
		IAssetTools& AssetTools = FModuleManager::GetModuleChecked<FAssetToolsModule>("AssetTools").Get();
		UObject* AssetObject = AssetTools.DuplicateAsset(TargetName, TargetDirectory, Template);
		T* Asset = Cast<T>(AssetObject);
		if (!Asset) {
			UE_LOG(LogEditorService, Warning, TEXT("Failed to clone asset at location %s/%s"), *TargetDirectory, *TargetName);
		}
		return Asset;
	}


ULevel* FDungeonEditorService::CreateStreamingLevelInstance(UWorld* InWorld, const FTransform& Transform, const TAssetPtr<UWorld>& WorldAsset, UClass* LevelStreamingClass)
{
	ULevel* NewLevel = nullptr;
	if (LevelStreamingClass == NULL) {
		return NULL;
	}

	ULevelStreaming* StreamingLevel = NewObject<ULevelStreaming>(InWorld, LevelStreamingClass, NAME_None, RF_NoFlags, NULL);

	// Clone the streaming world
	if (!InWorld || !InWorld->GetOutermost()) {
		UE_LOG(LogEditorService, Error, TEXT("Cannot create streaming level.  World context state is invalid"));
		return nullptr;
	}

	FString ClonedAssetName = WorldAsset->GetName() + "_" + FGuid::NewGuid().ToString();
	FString ClonedAssetPath = InWorld->GetOutermost()->GetName() + "_SnapStreamingInstances";
	UWorld* ClonedWorld = CloneAsset<UWorld>(WorldAsset.GetLongPackageName(), ClonedAssetName, ClonedAssetPath);
	if (!ClonedWorld) {
		UE_LOG(LogEditorService, Error, TEXT("Failed to clone snap module"));
		return nullptr;
	}
	FStringAssetReference ClonedWorldAssetRef(ClonedWorld);
	FString ClonedWorldPath = ClonedWorldAssetRef.ToString();
	StreamingLevel->SetWorldAssetByPackageName(FName(*ClonedWorldPath));

	StreamingLevel->LevelTransform = Transform;
	StreamingLevel->bShouldBeLoaded = true;
	StreamingLevel->bShouldBeVisible = true;
	StreamingLevel->bShouldBlockOnLoad = false;
	StreamingLevel->LevelColor = FLinearColor::MakeRandomColor();

	// Add the new level to world.
	InWorld->StreamingLevels.Add(StreamingLevel);

	// Refresh just the newly created level.
	TArray<ULevelStreaming*> LevelsForRefresh;
	LevelsForRefresh.Add(StreamingLevel);
	InWorld->RefreshStreamingLevels(LevelsForRefresh);
	InWorld->MarkPackageDirty();

	NewLevel = StreamingLevel->GetLoadedLevel();
	if (NewLevel != nullptr)
	{
		//EditorLevelUtils::SetLevelVisibility(NewLevel, true, true);

		// Levels migrated from other projects may fail to load their world settings
		// If so we create a new AWorldSettings actor here.
		if (NewLevel->GetWorldSettings(false) == nullptr)
		{
			UWorld* SubLevelWorld = CastChecked<UWorld>(NewLevel->GetOuter());

			FActorSpawnParameters SpawnInfo;
			SpawnInfo.SpawnCollisionHandlingOverride = ESpawnActorCollisionHandlingMethod::AlwaysSpawn;
			SpawnInfo.Name = GEngine->WorldSettingsClass->GetFName();
			AWorldSettings* NewWorldSettings = SubLevelWorld->SpawnActor<AWorldSettings>(GEngine->WorldSettingsClass, SpawnInfo);

			NewLevel->SetWorldSettings(NewWorldSettings);
		}
	}

	return NewLevel;
}

[Bioblaze]

I've rewritten the data structure so you should have access to the graph data structure (to query other modules attached to a door)

Can you throw me a Example, I think i`m Doing something wrong @.@ Everything I`ve Tried, that should work for allocation of information/Actors/Meshes in the Route arent working -_-