Blog 764: Minimum Viable Game

I was at a game dev meet-up about a month ago now, where my pals sassed me silly for not having shipped a game yet. They’re right to do so — although I vigorously resist accusations of feature creep (it’s not creep if it’s all part of the original plan), it’s true that I’m making something rather large that isn’t going to be releasable until it’s “done” (this is the true curse of building narrative-driven things).

About a year ago, I set down my plan for the first release: a self-contained prologue to a bigger campaign, which would be short enough to manufacture in a sensible time-frame, but broad enough to stress out most of my features. “Sensible time-frame” is, of course, relative and it’s still got a long way to go.

So I asked myself: what’s the minimum viable game? What is the purest, simplest expression of top-down mech action that I can build and put in front of people?

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Blog 761: RDZ’s Grand Guide to Saving and Loading

When I was looking for pointers on how to do saving and loading, I was frustrated at the lack of depth in the tutorials that I found. I couldn’t find anything that went beyond explaining PlayerPrefs and serialisation. I mean, yes, duh, I have to read and write the data — but how should I structure it? How should I find it? What’s the best way to put it together again? What did you see?!

Thus, having recently finished a fully armed and operational saving and loading system in my own game, Exon, here is a complete run-down of how it works and why. Although I would expect saving and loading to be personal to the architecture of a particular game, I feel like I’ve ended up with a very flexible and generic system, so hopefully this dump will give future people a decent idea of how to approach this most important of features. Plus some reassurance — it’s actually not that scary!

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Blog 760: Load the Data

So, I’ve been fairly quiet recently because 1) developing saving and loading systems has been a long invisible slog and 2) I’ve been replaying Morrowind (oops).

But with all the data that comprises a “campaign” in Exon being successfully written to disc, it was finally time to start trying to load it. Since I’ve told you the story of decomposing the world into text files in more than enough detail, it’s time to begin the story of reconstructing it…

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Blog 756: Keep Saving the Data

Right, so my last dev diary was mostly theoeretical — how can one ensure every prefab and pre-placed object in Unity has a unique identifier that can then be associated with saved data and used to reassemble the game world later.

Having implemented said indexing mechanisms, there are a few gotchas to report, but it is overall working as advertised. Which means I have begun phase two: actually writing the data out.

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Blog 755: Save The Data

When I decided that procedural generation was too much bother for not enough gain and switched over to hand-crafting scenarios, I figured that was the worst of my development headaches gone. After all, the more data that is static, the less you have to worry about while the game is actually turned on.

Then I realised that you’re still going to die a reasonable amount of times during the game. Then I realised that although the levels will be individually smallish, they’ll still be quite open.

What does death plus openness equal? Why, my dear, it means I must let you save and load your game, because fuck losing all that progress (to death or dinner).

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Blog 752: Movement

Movement is very important in Exon. Beyond merely getting around you’ll need to keep moving to avoid attacks and get the drop on your enemies, and you’ll want to explore to find alternative routes and secret bonuses.

Although it is operated top-down, it is a game in full 3D — height is important for exploration and all the mild platforming that will entail. That, however, made the logic that controls movement very very very complicated.

Can you guess what’s coming? I think you can guess what’s coming. I just rewrote my core character movement system!

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Blog 748: She’s a River

Being able to build big plaps of landscape is one thing, but earth is nothing without water.

Water is one thing I do not miss from my Warcraft III days. It was at a fixed level (give or take some dodginess), it didn’t flow in any particular direction, and it had very little impact on gameplay. The best rivers were pure decoration constructed from massively skewed waterfall models.

No, it’s time for me to break free and do rivers properly.

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