Integrating Machine-learning Powered Tools in Game Development Workflow



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a robot drawing a picaso painting” with Night Cafe

Integrating Machine-learning Powered Tools in Game Development Workflow

What are those Machine Learning tools?

Created with Dall-E

If you did not hear about Dall-E or MidJourney by now, you definitely should. These tools mark an important milestone in the roadmap toward an independent-thinking robot. We are not there yet, but these systems show us a glimpse of the future.

Note that I am not a big supporter of the development of such technologies, and I believe other articles I wrote might express this better. But obviously, I am not the one who decides what each engineering team around the globe is doing, and since this tech is already here, apparently not everybody agrees with me 🙂

Anyway, these tools will ask you for a short description of something you think about, and they would provide you with a few original visualizations that match that description. These are original creations, rather than the results of a search engine.

“Who is the legal owner of an image created with a machine learning tool?

Extensive public discussion is happening nowadays around the morality of whether or not these creations can actually be counted as art. Another big question is who actually owns the intellectual property of a specific creation: is it the person who described it; the company who created the software, or perhaps even the software itself?
If you are interested in this debate, here is a great place to start: an international WhatsApp group, where we discuss these topics and more.

Relevancy for game development

Until a decision will be taken, the one who activated the search is the happy owner. This fact opens a huge opportunity for all production teams around the globe.

“game development team working on art office oil painting old” with Dall-E

Game development is a very expensive process, compared to standard software development. Not only it includes significantly more assets (such as 3D models, characters, and animations), but it has a substantial effort on interactivity, which also separates it from any other media.
Components such as storytelling, leveling up, scoring, multiplayer, AI algorithms, and other mechanisms, are core functional requirements of a video game.

Above all, the team needs to work a lot in balancing the game, creating content and environments, while maintaining balance with previous content created. For most successful games, this is a neverending process in order to maintain profitability. So if there is a way to make this production cheaper or faster, it is definitely worth the investigation.

To integrate such a tool into our workflow, we should also understand how this will change our workflow. What are the redundant tasks we can remove, and which are the new ones we should care for.

Existing solutions

The following solutions already exist and are usable. Most of them are also free to use.
All work in a similar manner: you enter a textual description, and the software will generate a few results for you to download. That description is key.
Let’s see some examples.

Concept art

“futuristic modern city, flying cars, glass windows, white, top view” with Dall-E

Dall-E. offers 15 free searches per month, and each gets 4 results. You can download for free all your results.

“futuristic modern city, flying cars, glass windows, white, top view” with MidJourney

Mid-Journey. Offers endless searches during a subscription period. But as long as you are a free subscriber, anyone could use your creations.

“half elf half robot head and shoulders portrait…” with NightCafe

Night Cafe. Offers an advanced range of options in the search mechanism, as well as using different AI algorithms.

Videos

These tools are not yet fully usable as others noted here, but I felt it’s worth mentioning. The day is not far that someone will use this open-source code to create an easy-to-use open product.

Phenaki. Offers creation of long videos by describing each scene at a time.

Make-A-Video. Meta (formerly Facebook) has been working on creating a text to (short) video software. This tool will be available to create a short gifs from scratch or as improvements to static images.

Imagen. Google responded to Meta with this project. Looks like it has similar capabilities as Make-A-Video.

Generating 3D models

These are not ready yet fully functioning, but really worth mentioning.

Mirage. The tool mitigates several 3D model generators into one user interface.

Kaedim. Converts a 2D image into a 3D model with textures.

image from MagicFabric

Dream Fusion. Code library was created to assist in generating 3D models.

from DreamFusion

Ambient music

Avia / SoundDraw / Amper. Creates beautiful long compositions according to defining mood and style of music. Download requires a subscription.

video game styled bg music with MuseNet

Voices and Speech

Typecast / Play HT. Create a voice-over speech with a nice variation on the intonation of the voice and intention. These are not the only tools out there, but these have a nice quality.

Writing

Jasper. Although I’m pretty skeptical about this tool, it claims to be able to write full articles, from just a description of the content of the next paragraph. Check it out.

Future solutions

“If a PC can design a car by itself, then it could probably do much more…

In 2017 I saw this Ted Talk. Although car design is not linked to video games, cars are very complex products to design and make (Believe me, as I have been working for the car industry for the past 3 years…). If PCs can design cars, considering all elements to be taken into account, it means that many other things can be possible.

Ted Talk by Maurice Conti, 2017

The tools mentioned in the previous chapter were released over a period of 1 year. So you can imagine that the future has plans for more solutions coming our way. Let’s imagine some of them.

Sound effects

“sound engineer, DJ, creating music, room with cute aliens dancing, colorful, oil painting” with Dall-E

We have generated music coming, why won’t we have also sound effects? I’m quite sure it’s already on its way. Imagine how this would change the way we work. Today we spend time on search sites for a sound effect matching our sound style; or spending time and money with a sound designer, hoping they would understand the intention, follow our limitations, and have the right skill to perform…
Instead, we would be spending some time with a software system until it creates the correct sound effect for us, under our set of limitations (length, style, and effect description).

Marketing video content

Imagine that someday you will be able to write a description for how you want a 15–60 sec marketing video to look like, and let a computer generate it for you. It will get there.

How much does it cost to make a marketing video for the game launch? How much does it mean for the actual success of the game? Sadly, quite a lot as well… Well, this method should allow us to create these videos with less effort, faster, and at less cost.

Storytelling and dialogues

Telling a good story has rules. But writers still need time to write their plots, dialogues, and various options. Assuming AI writing tools already exist, I believe that we will see tools that help us create a “Disney-like story with a hero flower fairy that must stop the evil Ant from destroying the world”.

Environment design and architecture

AI and machine learning are already being used for interior design and architecture. You create a space and define the purpose of that space (such as an office with 5 rooms or a living space with 1 bedroom). The software will sort out an interior division for you.

Created by Stanislav Chaillou

Imagine what if you could ask a PC to generate a world map according to some description you provide. Such as: 10 small islands, 5 big islands, and bridges connecting them; or a large wasteland with limited resources in a post-apocalyptic arena.

We invest many man hours to design such tasks. We start with concept boards, drafting options, briefing artists, testing scale, 3D modeling, textures, animations, and more.

We can already generate 3D models, art, and music. Creating full-concept environments is probably the next step.

Here is an example of a plugin in development that generates a city environment:

created by Jesse Miettinen

Level design and balancing challenges

Jetpack Joyride obstacle organization is not random

Few years after I worked as a level designer, I realized something. There is no pure randomization in good engaging games.
I discovered some rules. Some “math” that was useful to me while creating an engagement section in games I worked on. The talks and slides are still in Hebrew, but I promise to translate these one day.

I am certainly not the only one who figured out some rules, and the entire field of Gamification and motivational thinking sits on.

My point is, that even level design — the core of gameplay design — has rules. And therefore, theoretically, could be generated with machine learning…

Future roles at the game team

If we are going to use tools to create 3D art and models, what would our current 3D artist do? If we take our sound effects from the software, what can we do with our sound designer?

Skilled team

To be realistic, you should still keep your people by your side. Your video editor will need to integrate some scenes you created with AI tools, into the final version of the video; your animator will need to fix some errors in the animations created by the PC; and the 3D artist will need to make sure the models are correct and really ready.

So as long as the software is not yet perfect, you still need your team to fix the broken parts.

Asset searching and writing better definitions

Some of these AI machines have so many parameters, that people already have created interfaces that would help them better define what they search for. From the experience I had with the tools while working on this article, I am quite sure that we will soon discover that using the tools effectively is quite a skill as well. It took me quite some time and tries in getting an image that did not really satisfy me 100%. Those who can really understand how the tool works might be able to use it more wisely.

“Creativity will be measured according to the average and standard.

Creative lead

Probably the most common role in your new team. The creative lead will need to integrate and coordinate all efforts — man-made and machine-made — into one piece. So once the software will become capable enough, we will need our best people to stitch those creations together.

Creativity will always be measured against the average. If one day we would be able to get a great game by saying “a post-apocalyptic first-person shooter”, then creativity will need to find new ways to define itself.

Closure: So where do you see yourself in 10 years?

If until today we believed that Machine Learning will change the lives of those with “simple-to-perform” jobs or “repetitive tasks”, like taxi drivers or manufacturing lines, we can now see that also the creative areas might be affected. We should all consider how we are going to use those technologies because they are already here.

“painter works on his art piece while sitting in the back seat of an autonomous taxi, that takes him towards a futuristic city” with Dall-E

We also need to decide what the mere existence of such technology means to our society. Are we confident we would like them to exist?
Answering this is definitely not part of this article, but I would urge you to think about it. Not any technology has a right to live.

“futuristic assembly line with humanoid robots, making miniature plastic plants, photo-realistic” with Dall-E

Special thanks

To the Whatsapp group members who contributed information about the various tools available and inspired me to write this article. Please join the live discussion happening in our group.
Special thanks to Marco Morales, Jeffrey Ferguson, and Thomas Poetter; and of course to Cecilia Lascialfari for opening the group and guiding the discussion.

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