Monday, June 20, 2011

A Valley Without Wind Alpha #12 -- Side View, Undergrounds, and Other New Mechanics

This is the detailed diary that was promised in our big side view reveal post.  It's assumed that you've already read the post on the other end of that link; if not, a lot of this post isn't going to make much sense, so make sure you do!

Obviously the biggest news this week is the switch to side view, and that's what the other post focused on, but that's not remotely close to being all that's changed.  Here's a rundown of new stuff since last time:

Revised Control Options
Since the first previews, we've been saying that this game would be just a keyboard-only game or a gamepad-only game.  You could choose which you want, but there would be no mouse involvement at all.  This is something we've reconsidered based on playtesting and on feedback on our diaries and videos: now there will be three control options: keyboard, keyboard+mouse, and gamepad.

The new mouse-related control scheme is only partly in place now, but it will allow for precision aiming.  The keyboard will also include options for angle-based aiming as well as the lock-on methods that we've been showing so far.  Both of these control schemes will be interchangeable, so that you can mix and match these controls as makes sense to you.  And of course all the keys are remappable.

The same thing goes for the gamepad, but actually that's becoming less the preferred way to play, now.  We decided to increase the number of ability slots from 6 to 9, to make full use of the keyboard, and that means that most gamepads now don't have enough buttons to really handle the maximum number of abilities that can be used in the game.  That's not crippling, and gamepads can be used in conjunction with the keyboard or on their own, but it's no longer the ideal control mechanism.

The control mechanism that we're going to be most emphasizing as the default will be the keyboard + mouse option, which is what we feel like will feel most natural to computer gamers, and which gives the most precise control over your character.  But we're having options for everyone.  And gamepad support is actually coded in now, for the first time in one of Arcen's released titles, so you don't have to worry about that going anywhere!

"What's My Motivation Here?"
Before I continue on with the list of what's new, I want to take a quick break and answer a question that a lot of players have been asking.  We've addressed this in various interviews, but never very concisely or (apparently) clearly.  If the goal in Zelda is to rescue the princess, and in Castlevania it is to defeat Dracula, then what's the overarching goal in A Valley Without Wind?

The most basic answer is: to heal the broken world as best you can.  The world is torn, troubled, and overrun by evil.  People are scattered, disorganized, and civilization has fallen.  You play as a series of individuals (permadeath, remember -- every time you die it's a new character), and collectively all your characters are trying to help improve the world in whatever ways you see fit.

Usually this means helping out NPCs, improving settlements, and defeating evil overlords that threaten huge tracts of the world.  If this were Zelda, each of these overlords would be Gannon.  If it were Castlevania, they'd each be Dracula.  However, since this is AVWW, they are all Big Bad Guys with procedurally-generated names and backstories and lieutenants and strongholds, and there are an infinite number of them.

Beating one of them is a big accomplishment, like winning the game in another game.  And once an overlord has been beaten, you've saved a substantial part of the world -- it won't have to be periodically re-saved.  NPCs will rejoice, and then life goes on in those areas.  You can still improve the settlements and such there, and there are other NPC-focused things to do even in an overlord-less area, but the threat of that overlord is forever gone.

Part of the whole "you can play in one world for as long as you like" means that there always needs to be more to do.  So, to that end, if you go just over the mountains, there's another overlord, even worse than the last, and leveling up and gearing up to beat him is like going through an entire game's progression again.  It's like starting a new campaign in AI War, against a fresh pair of AIs, but keeping all the history and backstory and planets from the galaxy you played right before it.  You've killed Dracula, now go get Gannon.  Okay, now Sauron needs a good whooping.  And so on.

To get a hair more specific: you're going to have to play for 10-20+ hours to bring down one of those overlords.  Doing so requires not only the fight with the overlord themselves, but also traversing their entire fortress of bad guys that they have on hand to protect themselves.  Prior to defeating that bad guy, you'll have 10-20 hours of NPCs in a wide range of regions who are lamenting the crushing yoke of this overlord in various ways.  And if you try to attack the overlord too early, after even finding their keep to begin with, expect to die.  Once you finally do defeat the overlord, the game remembers that forever (that's part of the "deeds" system the game has).  To NPCs that were affected by the overlord, this is a really big deal and they remember both the overlord and the specific character that defeated him/her.

It's kind of like the way AI War builds up to the final fights at the procedurally-generated AI homeworlds.  There's a strategic component to even figuring out how to defeat each overlord, because each one is outfitted so differently.  So you might have to do some recon and some refitting as you go, too, in order to even take them out.

I've written at length about the benefits of having a persistent world that keeps going infinitely before, so I won't go into it in depth here.  But for me personally, it's a very exciting new thing.

A Focus On Magic, Traps, and "Scrolls" Instead Of Physical Weapons
You might recall that in past versions we've talked about swords and gatling guns and so forth.  We've decided that this simply isn't our strength for a game like this, and those mechanics simply we're looking very good visually or feeling very good in terms of gameplay.  Spells, on the other hand, were already looking good and felt really good to use.  And with our slots system for combining spells to get custom effects, that made the spell system even more unique compared to the rest.  So that's where we're focusing the bulk of our attention

Spell Crests And Augment Gems
My hope is to have at least a hundred distinct spells by the time we hit 1.0, many of which can be socketed into a "Crest" that allows you to charge up a more powerful form of the spell and can also take additional augment gems that add stronger and more varied effects (some of which have trade-off side effects).  One simple example is shown at 0:48 in our latest video of the game, with a Ball Lightning spellgem plus a Splitter augment gem inside a two-slot spell crest that has an inherent charge ability modifier.  So that lets the player charge up a lightning ball to be more powerful by holding down its key, and then it rockets out in multiple directions rather than just in one, for instance.  That's just a pretty simple effect, and with two slots only (the maximum number of slots will be four).

Raw Gems Versus Gem Dust, Plus More On Scrolls And TrapsThe recipes for crafting spellgems and crests and things of that nature all have at least one "raw gem" included.  When you find a vein of one of the six types of raw gem underground, smashing that vein gives you a raw gem item as well as multiple gem dust items.  The raw gems all go to spells or crests, while the dust all goes to scrolls or traps.

Scrolls and traps are all consumable items, meaning that once you craft them you have only a limited number of them.  This is in contrast to spell gems, which you get unlimited uses out of, but which require magic points for each time you use them.  Traps and scrolls require no magic points, and in some cases are more powerful than an actual reusable spell, but you only get a limited number of them.

New Crafting System
We took a hard look at our crafting design and found it wasn't meeting our goals, so we came up with a new system that we think is much more compelling, and a streamlined interface we're pretty excited about.  We'll be talking about this in detail in the next couple of weeks, but the resulting system is being polished up as I write this, and it's really very good. 

The core ingredients are the raw gems and gem dust noted above, and each gem or bunch of dust has a tier.  Regions level 1-5 tend to have Tier 1 gems/dust, level 6-10 have Tier 2 gems/dust, and so on.  So you don't have to get all new inventory every time you level up, but you always have new stuff to look forward to as you progress.  When you combine multiple tiered ingredients into a single recipe, the average tier is used for the finished product.

However, gems and gem dust aren't the only crafting materials: there are also "catalysts" that might range from anything like "iron" to "soft wood" to "plums" to "silk."  These sorts of things can be found mostly above ground and inside, whereas the raw gem veins are mostly found underground.  The most interesting and powerful spells, traps, and scrolls require catalysts that don't show up in the lower-level regions, so as you're playing the game you're finding both higher-tier raw gems, new kinds of raw gems (you start out with only red and white), and new kinds of catalysts.  Of course, if you're an advanced player and don't want to go through the regular progression you can always jump into higher-level regions early.

But for average or new players, there's a progression of expanding options as you explore, and these form the backbone of how you outfit yourself for exploration, and how you are able to improve your settlements.  There are actually other components to this as well, such as crafters needing a place to do their crafting in the settlements, and needing to be appropriately-skilled at crafting to make what you need.  So you'll be finding things like memory crystals from which your civilization's crafters can learn to make new things or mix or catalyze them in new ways.  We're also thinking about crafters needing certain improvements to their workshops and the player being able to help out with that, but we're still not sure if that would actually add fun to the system as it will be.

More on that in future diaries, but there's lots you can do with all this.  It starts out slow and easy, and then gets more complex the higher the region levels go.  Actually, that's a pretty good description of a lot of parts of the game: it eases you into things unless you skip to some higher region levels right at the start, so you can basically choose the sort of progression you want to have.

The New Magic Point SystemThis has been talked about in the forums some in past weeks, and it's only partly in place at the moment, but almost all spells will be requiring magic points for each use.  This of course means that you can't just spam your best spell, but you have to use them a bit more tactically in terms of your long-term consumption.

There are a variety of ways that we're building RPG-style optimization tactics into this system.  First is that enemies will often have small MP or HP drops that you can pick up and which increase either your health or your magic points immediately on contact.  So if you can kill enemies while expending fewer MP than you gain in the drops, then you can adventure on indefinitely.

Another thing that provides tactical options for you the use of scrolls and traps, which do not require any MP at all, but of which you have limited quantities.  So designing your loadout before an expedition (both at crafting-time and what-to-take-with-me time) takes on great importance, because you want to have enough of these to help offset your general MP use, but at the same time you want enough spellgems that are powerful that you can use for the bulk of your combat.

There are also some scrolls that actually give you more MP directly, kind of like an ether in Final Fantasy; but to get those scrolls requires the use of certain catalysts and gem dust that you could be using for other scrolls or traps... so it's always a tough economy of choice, and different players will have wildly different styles of play.

Lastly, there is also a whole category of "touch spells" that are basically the equivalent of melee weapons in other games.  These spells don't require any MP, but they only work on enemies that are close enough for you to touch.  With many enemies, that means you're going to take some health damage yourself if you're not skilled.  But if you are very skilled, it provides yet another way to play.  And another way to keep yourself steeped in magic points on lengthy excursions without having to use MP-granting scrolls too heavily.

What Is Meant By The "Depth" We Keep Referring To
When I talk about gameplay depth, the magic point system and system of choices it creates is one part of what I'm referring to.  The other parts generally revolve around the macrogame and how you choose to change the world.  And the other part refers to the mechanics of actual combat itself, particularly at the higher levels, where spell choice and spell combos will matter.  Suffice it to say, this is a game that requires some planning on multiple levels if you really get into it; most similar games just hand-hold you down a linear gameplay path, and your involvement consists of executing that gameplay with skill.

Twitch skill can matter here if you want to play above your civ level, but even more important in all cases is the ability to make good plans and execute them.  If you want to defeat an overlord or build up a specific settlement, then that's a complex undertaking that requires planning, multiple intermediate expeditions, and then skillful execution.  I guess it's the strategy game developer in us: we just can't get away from that sort of thinking even when we make an action-adventure game!

Fire Touch Spell, And Environmental Interaction
This is the first of the "melee" spells mentioned in the magic points section above.  So you can use and reuse this one for zero magic points, but it only hits things right in front of you and isn't overly strong.  It's not the first choice for combat in most cases, but at the same time its class of spell is instrumental to bring along for every expedition.  However, it also has a great value aside from direct combat:

One thing that you probably noticed in the video is that you can just walk right past trees, buildings, etc, now.  This of course makes sense in a side view game, but one of the coolest things that we have been showing so far was the environmental interaction, right?  Fear not: that hasn't been lost, it's just been changed around some.  Most spells don't hit the background trees and such because that would be incredibly annoying.

However, when you want to knock down some trees for whatever reason, this fire touch just causes a burst of flame directly in front of you, which also hits the background.  This is the easiest way to get wood from trees, or plums from plum trees, and so on.  Excellent catalysts for various purposes.

Seize Spell And Combat Tactics
If you look at 0:29 in the latest video, you can see the new Seize spell in use.  Basically what it does is grab a usually-non-colliding piece of destructible background or foreground (trees, plants, wire baskets, whatever) and makes it shining, spectral, and colliding.  You can't get past it without destroying it, and neither can enemies.  Enemies will start trying to hack their way past it if you trap them on the other side of it from you, buying you time to re-equip, heal, deal with a lone enemy that you've separated from the herd, or whatever else you need.

You can even, of course, create a whole line of seized objects for enemies to slam through, buying yourself even more time at the expense of the background objects and the MP required for the seize spell.  In essence, this works kind of like a cover mechanic in an FPS game, but with destructible cover.  It's actually a lot easier to use than just hiding behind stuff in the old top-down view was.  And you can combine this with other abilities, such as using environmental objects to slow down enemies and then hitting them with area damage from the safety of the other side. Or it can buy you some time to lay down a line of traps.

When I talk about the depth of combat that we are going for, this is one example of what I mean: you use spells and environmental objects in various combinations, rather than just button-mashing the fireball spell into every enemy you meet.  Developing out more ideas like this is something that we'll be doing over the next few months, and I'm sure players will also have many interesting ideas to contribute if AI War is any indication.  We also have a cache of other ideas for tactical combat options, but since they haven't been playtested yet I'm reluctant to talk about them in case some of them don't work out.

Vertical Terrain Traversal, and the Ride The Lightning spell
The latest video shows a lot of walking around on the surface, but probably only a third of your playtime would take place there. The other two thirds take place either underground or in the interiors of buildings (more on interiors and undergrounds below).

Moving around underground or inside now has both a horizontal and a vertical component to it, of course.  Gravity is your constant enemy, even though this isn't a platformer game in the sense that Mario games are platformers (aka, no precision jumps needed).  To that end, you will have a variety of tools at your disposal for getting around.

The first is shown at numerous places in the latest video, and it's a spell called Ride The Lighting.  It can be used at any time, even when you're falling or already having jumped into the air, and it boosts you up about 4x higher than you can normally jump on your own.  Each time you do costs magic points and requires a recharge of 1.5s afterward.  Higher-tier Ride The Lightning spellgems let you jump progressively higher.

The second method for traversing terrain, and the one that will be more commonly used by most players, is wooden platforms.  These aren't implemented yet, but basically you'll be able to place wooden platforms from your inventory into the game world.  This is in no way a construction game like Minecraft or Terraria, but you will be using wood for things like building platforms and so on.  These platforms can be arranged like bridges or like ladders, so you can get through most of the game without having to have any particular skill at jumping if you want to really stock up on a lot of wood instead.  Or you can get by with very little wood if you prefer the jumping.

These sorts of things also have combat benefits: you can use these sorts of spells and consumables to avoid enemies (thus carrying forward the minor stealth component we've been talking about in the top-down view), or to get a better tactical position that you can then attack from.  We haven't done a whole lot with that yet, but as a longtime RTS developer it's the sort of thing I've always wanted to be able to do.  In a top-down game every direction is functionally the same as the last -- if you attack from the north, south, east, or west, it doesn't matter.  But from a side view, suddenly attacking from the side, bottom, and top of an enemy all have really different meanings.  This is quite exciting to me to get to work with.

The wooden platforms are another way in which the game emphasizes expdition planning, too -- if you go into a really deep cave without enough wooden platforms to get back out, then you are going to die down in that cave!  Unlike Minecraft and Terraria you can't just dig yourself a way out through the rock.  This game is about exploring and traversing the hostile environments that you find, rather than being able bending every part of the world to your will -- this world is way too hostile for that.  And in a lot of respects this makes the underground sections feel a lot more like real spelunking, even if it is still highly fantastical.

Enemy Generation
One thing that has really changed in how we're handling the game is how we're handling enemy generation and monster nests.  Initially in the top down view we just had enemies seeded into each chunk, and you ran into them when you ran into them.  They would respawn over a long period of time after you left the chunk.  Then we added the concept of monster nests, which spawn monsters more rapidly, and which you could seek out and kill.  That's when you started seeing incredibly huge swarms of bats in our tests builds (that was only ever a testing thing).

Now what we are doing is scrapping the directly-seeded monsters, and just having nests that are seeded around, but not letting those nests be touchable by players.  They are essentially just visible spawn points for enemies.  They also now spawn fewer enemies than the monster generators in preview #11 did.

The net effect is that there are now always monsters present (it gets pretty boring when there aren't), but they don't clump up too much, and you can enact strategies around where you can see them visibly spawning.  Such as laying traps or whatever else to suppress them for a while.  It offers a lot of future tactical options for us as game designers that simply wasn't there with something that is easily destructible.

You'll probably notice from the video how much better balanced the number of enemies is throughout compared to last time; you're never getting swarmed by 50 enemies, but there also aren't large periods of time where there's literally nothing going on.

Poison Water
One of the new things in the game is the ability to fall into water.  When you do, you move more slowly and can't jump as high, but otherwise keep moving as normal (in other words, similar system as Cave Story and Metroid).  While in water there is no air gauge, because the bigger threat comes from the toxins that are in all pools of water -- if you just stand there in the water, and are at full health, you'll be dead in 60 seconds.

That's actually not a very stiff penalty, which is great because this game has permadeath.  Death in this game should not generally be because your finger slipped or because you missed a jump, but rather because you made a series of bad choices.  In that way, it's much more Metroidvania than Zelda, even.

Anyway, so being in water for long is a bad idea, but falling briefly in isn't going to kill you unless you're already on the point of death.  But for most enemies, being in water is much more quickly fatal: when they fall into water, they die within about 5 seconds instead of 60.  This makes it so that the enemy nests can keep spawning more enemies as the older ones reach the lower limits of the level and die off in the water, which makes for constantly shifting "patrols" of enemies in many cases, which is pretty neat.

I should also go ahead and mention that you can't use water to farm enemy drops: when an enemy dies in water, they don't drop anything.  While I'm at it, I'll also mention that when a loot drop or player item bag falls into water, it floats at the top instead of sinking.  Thus you can build some wooden platforms to skim across the top of the water and get your stuff back without having to step in the water.  This is also true for lava (see below), which is even more important).

Falling Damage, Lava, and Platformer Elements
One of the first things that we prototyped with the side view was the characters taking damage from falling too far.  This is something that works in FPS games, but my experience has been that I don't really like it outside of that -- in Minecraft, for instance, I'm on the record as asking for there to be no falling damage.

So we took out falling damage for most of the regions, but one of the things that I'm really angling to do is make it so that regions are unique not just in look, not just in rewards, and not just in enemies, but also in larger gameplay mechanics.  For the lava areas, that's always been something that has been intended to be very difficult as a region, but it's also a region that lends itself well to platformer-style elements.

Now, I'm an absolutely enormous fan of Mario games and Donkey Kong Country games and other things of that nature.  Have been all my life.  But the switch to side view for this game doesn't signal that it is in any way becoming a platformer -- it's action adventure, just rotated on its axis.  But since it is side view and gravity does exist... well, there's no reason that the lava areas can't be a haven to stick all the platformer-type stuff that we might want to do.

So in the lava areas there is falling damage, and there are pits of molten lava that kill a full-health you in about 5 seconds instead of the 60 that water takes.  There will also be timing-based lava waterfalls and things of that nature.  If you don't like platforming elements you can stay out of the lava areas and not miss anything; and you won't be seeing anything like that in any other part of the game.  But if you do like platforming elements, then this is a pretty interesting area to go into, and it contains rewards that are relevant to being able to do even more platforming.

Speaking more about the falling damage, that is all handled based on your velocity when you hit the ground.  Normally in most areas your terminal velocity is capped such that you never take any damage.  In the lava areas it's about 4x that, such that one a really long fall you will die on impact, an on more modest falls you will take 1/4, 1/2, or 3/4 damage respectively

This is the only region type in the game that will have any falling damage at all, and it's also the most blatanty-hostile type of region.  The sort where you don't send a fully-equipped character, because the risk of death is astronomically higher than anywhere else.  Don't worry, there will literally be signs posted at the entrances to the lava areas warning you of this, and to go back if you don't have a deathwish.  My view is that it's fun to have a couple of rare pockets in the game that have this sort of unbridled hostility against the player -- it's the sort of place I'll enjoy going occasionally, myself -- but it can't be more than 1% of the areas in the game, if even that high of a percentage.

If everything in this section sounds like a horrible idea to you, then no worries -- you can simply always go around the lava flats and even the deep and pretend they don't exist.  If that's how you feel, you won't be missing anything you would care about, anyway.  Think of these as the rare and isolated "challenge areas" for players who like an insane challenge, and who like platformers at least some.  For everyone else... there's a massive infinite world that doesn't have any mechanics remotely like this.  This section should thus actually come as a comfort to players that don't like traditional platformers, because we're making a commitment to keep any and all such mechanics limited to just the lava areas.

Surface Chunks and Underground Caverns
So at this point there is a single "surface chunk" in each region, but we're actually going to be expanding that this week to being a long list of surface chunks in each region -- really expanding the amount of above-ground area that you can cover, so that there is enough to the surface that you can actually spend 33% of your time above ground doing interesting things, rather than spending all your time underground or inside.  I like underground and inside as well as the next fella, but I also like seeing the sky!

At any rate, these surface chunks have the sky, and buildings on them, and you can go in all the buildings.  Then most of the surface chunks also have one or more holes in the ground, as seen in the video (some chunks are just swiss cheese with holes, of course), and when you go down in these holes you can find underground doors like what you see at 1:53 in the video.  These doors lead into completely-underground chunks that are filled with all sorts of interesting things, including sometimes underground buildings.

In most regions, these only go down so far -- you'll find chains of caverns that take you an interesting amount downwards but not infinitely so.  This is where you find the raw gems and other cool stuff that you can use in crafting.  Sometimes this is where enemy lairs or even overworld keeps are.  All stuff is down there.  In a few region types, there is literally an infinite downward progression of caverns taking you downward.  Keith and I have been talking about various fast-travel mechanisms for making it back up and down for these infinite areas, but we haven't settled on anything definite yet.

Exploring inside buildings is the other third of the action-adventure parts of game, and that has probably grown in importance even since preview #11.  One of my big goals is to make the interiors really feel distinct from the undergrounds -- to that end, there will probably be a lot less darkness inside, and of course the actual interior construction in general is really different.

So what's inside that you're exploring for?  Mostly it is catalysts for crafting, but it's also memory gems.  Some of the most important spells will require components from interiors of certain regions, so there are some really substantial rewards to be found inside buildings.

I don't have as much to say about interiors this week because the switch to side view has invalidated most of the work I previously did on them.  However, the new task is a much simpler one, so I'm hoping to have basic interiors up and going this week, and ready to be shown next video.  Also, I will still be releasing the old top-down interior generator tool as an open source program for others to use, even though AVWW now won't be using it.  I'll try to get to that this week, too.

Terrain Generation Techniques
The basic technique for cavern generation in AVWW is the one proposed by Noel Berry here.  However, I've extended on that a fair bit to make various flavors of caves, and to make caves that can intersect with variable-height rolling surface hills like you see in the videos.  It's a really cool system, and it's completely removed the need for the hand-crafted maps that I talked about at length in preview #10.

It's all procedural now, and it's providing really, really varied results including cliff overhangs, floating islands, and so on.  All inescapable pits have some poison water somewhere down at their bottom, which is handy so that if you are being foolish and don't have enough wood platforms or spells to escape the pit, you won't have to suicide yourself -- the water will take care of that for you.

And of course, the water takes care of any enemies that fall into such pits as well, as noted above.  Which means that you don't wind up with all the enemies just hanging out at the bottom of a pit, fruitlessly trapped.  And you don't need enemies to avoid falling off ledges, because enemies falling off ledges adds so much to the gameplay -- you have to watch out for them coming at you from above!

New Objects And Buildings, Removal Of Broken Vehicles
As you can see in the latest video, there are tons and tons of new objects and buildings in the game, aside from all the existing ones being re-rendered from a side view perspective.  I think the count of objects has roughly tripled since #11, up to something like 150 objects, and the number of buildings has gone from about 20ish to about 50ish.  Nowhere remotely near all of them are shown in the video.

One other change going along with the new objects is that I've taken out all of the various broken vehicles in the game.  In a magic-using world, such vehicles would never have really been needed anyhow, and they were never going to be something you could actually drive.  I simply had cars and similar because I wanted to have highways full of broken cars, like in The Stand.

From a side view, though, it's really impossible to do a highway that looks good, and the cars were one of the most boring parts of the art from #11 and before.  So now highways and cars are gone, and in their place is an incredibly more varied and interesting selection of objects more fitting with the new theme of the game.

From now on I'm going to be dedicating one solid day per week to simply making more objects and buildings and other art elements, to make sure that this game really has a ton of content even by the start of beta.  Last Monday was my first stab at having a day of that sort, and I was able to get 116 objects and buildings all done in one day, so that's a good sign.  I should be able to kick that number up even higher as I get more practiced at it.  Already these new buildings and objects are just giving an incredible amount more character to the various areas, though; my favorite at the moment is the telephone poles that are sometimes in the Small Town regions.

Streamlined Inventory System
Another thing that we've been working on in the last couple of weeks has been getting the inventory and crafting systems really working as smoothly as we can.  The crafting interface we'll talk about in depth in a future week, but the inventory interface is done already.

There are now two kinds of inventory: usable inventory, and crafting materials.  Crafting materials that you pick up (such as raw gems, gem dust, and catalysts) all immediately go into "the vault," which is a central personal repository that you can access from anywhere.  If your character dies, nothing happens to anything that's in the vault.  If you go to any crafter or any workshop to do crafting yourself, you can access everything in your vault at that time.  None of this stuff ever shows up in your main inventory, taking up space.

Usable inventory, on the other hand, is actually stored on your person.  The ability bar at the bottom screen is now 9-wide instead of 6-wide, and each slot corresponds to the same number key on your keyboard.  Your entire usable inventory is 9-wide, and up to about 10 rows tall, although it only shows as many bars as you are actually currently using.  If you press the 0 key at any time while playing, then your active ability bar will switch between different rows of your usable inventory.

In this way, you can get at your entire usable inventory without ever having to open a menu.  And in fact when you do press the I key, it brings up a very minimal interface that is just however many ability bars you actually have in use at the time in your inventory.  You can drag items with the keyboard or mouse between the different bars, or onto a new bar.  As you pick up new usable items, they go into any empty slot or onto a new bar, and you can then rearrange them as you will.  Thus the entire usable inventory interface is for organizational convenience, not functional necessity, which is pretty cool.

When you die, your entire usable inventory gets dropped in a player item bag right where you fell.  It never disappears, so if you remember where it is you can go back and get it at your leisure.  It's planned that there will be no way to send usable items back to the vault while you're out in the field, or to get other usable items out of the vault.  But the plan is that when you are in settlements you can access your vault and put usable items into and out of it.  Your actual field inventory thus is no longer unlimited like we'd once planned, but it's still enormously, uncommonly large.  Most players will likely never use even 50% of the available space of usable inventory in the field.

Other QuestionsQ: Will this affect multiplayer at all?
A: No, we've done all of this in a way that is fully compatible with the multiplayer code we already had.

Q: Is there a day/night cycle now that we can see some night areas in the video?A: Actually, there's not a day/night cycle.  We do have regions that are clearly at night, but those regions are always at night while you are in them.  It seems like a lot of games have a day/night cycle, and that's just not something that we saw as adding value in this game.  Instead, what we have is the windstorm cycle, which is a lot more unique to this game and which has been discussed in the past.  The basics being that every four moves you make on the overworld, you run into a windstorm, unless you're standing on a settlement or a wind shelter at the time.  So it's kind of a musical chairs thing, and you can build "roads" for safe travel via the wind shelters, etc, etc.

Q: How does this affect the size of regions?
A: It doesn't particularly.  Individual surface chunks are now a functionally smaller since large parts of them are now taken up with showing sky or ground that you can't interact with.  However, to compensate for that we're making it so that regions are made up of multiple surface chunks rather than a single one, which actually lets each region become much larger and more interesting.  And it makes the surfaces actually something that can go on infinitely like an interior or an underground area can, so we've actually bought ourselves a lot of flexibility there.

Q: Does this affect the overworld map at all?
A: Not one line of code has changed for the overworld map.  I improved the graphics there, and that's it.

Q: Do you still get dumped mid region by windstorms?
A: Oh, yes.  It's actually a lot more threatening now than it was before, because of the presence of pits and such.  And also, once we have the linked surface chunks going, it will be even more threatening because of the fact that you might be multiple chunks away from the overworld -- this is quite exciting for me, actually, as I never felt that in the prior versions the windstorms were really notable enough.

Q: Was it not insanely hard to throw away so much hard work on the top down version to make the switch?
A: You'd think it would be, but I can honestly say that it was the easiest thing I've done on this project in a long time.  Remember, I'd spent the last six months not really having things turn out the way I wanted, and listening to everyone complain about the camera perspective, eight-way sprites, etc.  That was hard, and extremely frustrating, but ultimately fruitful.  Once this idea had fully formed to the point that I knew it was something we needed to do, it came together really fast.  I think I had all the side view code, up to and including physics, done within about three working days.  Then it was just a matter of all the art rework, and introducing new mechanics, etc. And other content generation things like really getting the caverns feeling different between different areas, things like that.  It felt really, really good to be making those changes, and consequently they just flew by.

In Conclusion
Whew, that was a really long one.  But hopefully this goes a long way to reassuring folks that all is well in the valley without wind, and that the side view is in no way a dumbing-down or a reduction in tactical options.  We thought this through in great detail before pulling the trigger, and I think that over just under 300 emails between Keith and myself have now been exchanged on the subject.  Most of those 1,000+ words.

And you guys have seen the sort of games we make, right?  Look at AI War, for goodness sake.  If we'd felt that the game would be poorer for this, but only the art would be better, we'd have gone with the better game and worse art.  It's been our very good fortune to realize that not only is the art better in this perspective, but so is the gameplay as well!  In the coming weeks we'll focus more on the crafting mechanics and interface, as well as some of the macrogame stuff to do with NPCs, settlements, and so on.  And of course the various new spells and enemies, interiors, and all that good stuff.

Thanks for taking the time to read, and here's the new video again in case you missed it.  Enjoy!

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