There’s a few possibilities for adding something that works like the equipment wheel, but that doesn’t limit us to a fixed amount (which is particularly important for people who like to have multiple guns and equipment in hand, and since the current default PC wheel only has 8 slots, that’s… Pistol, SMG, AR, Sniper, Shotgun, Rocket Launcher, Health pack, Lure and… wait, I ran of space for my binoculars…)
And let’s be frank, GZ is a game with lots of inventory options and potential situations, so the last thing you want is having to sift through your inventory window because you need to switch the type of health pack, or to reshufle things because you need a suppressed gun but forgot to put it in the wheel, or NOW you need those sticky flares, etc etc.
So I’d borrow the basic ideas from other games that are also heavy on inventory usage but assume that you can need anything at any time:
1. Metal Gear Solid
Since the very first metal gear, your entire inventory management takes only 4 buttons: “hold to show gun list”, “how to show item list”, and the two buttons to toggle said gun or item on an off your hand.
This has the downside of being fiddly when you need to find something and you have a LOT of stuff on your list, but this can be partially remedied by allowing the player to manually sort the list in a menu, and have shortcuts for a few of those items (on PC that would be the number buttons as usual)
The upside is that since the list goes to infinity, everything on your backpack is there, period.
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2. Monster Hunter World
MonHun World takes the basic idea of MGS and merges it with an item wheel for a slightly more complex but also faster to access option, which is a configurable item wheel but with extra tweaks.
In reality, MHW gives you multiple item wheels: “once you toggle the item wheel mode”, you have a wheel (that you hopefully pre-sorted using the inventory menus) that you can select items either by using a stick on a gamepad, or your cursor if you’re on a mouse.
…So far, so same-what-we-have-now. But the trick is: it uses extra buttons to change the currently active wheel . On the gamepad example, you can use the D-pad to have quick access to 4 different item wheels (…or as many as you want if you just use left/right to sift through a list linearly, at the cost of sacrificing quick access). On the keyboard example, you can have your current 1-through-8 buttons, but then use, say, 9 and 0, or “[” and “]” to change to a different wheel, and presto. More items at your disposal, no inventory-sifting necessary.
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3. Final Fantasy XIV
This one is hard because I’m not sure if it’s a patented system, and it’s focused more exclusively on the gamepad. It also has a steeper learning curve.
FFXIV uses a system called the “Cross Hotbar”, which is a system that allows you to cycle between three sets of “face buttons” on your gamepad, for a total of 24 shortcuts accessible with at most the press of 2 buttons at the same time. They use this system to allow people to access the whole plethora of skills and magic of an MMORPG class in the limited button space of a PS4 gamepad. And it works! I know lots of people who play with gamepads on PC because they prefer this system over having bars with shortcuts.
…Speaking of bars with shortcuts, for the keyboard and mouse folks, FFXIV also has an option: buttons 1 through = on the keyboard are shortcuts for the main action bar.
…But you can change the current active action bar with another button, meaning the same shortcut buttons can activate different things depending on the active bar.
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Any of these 3 options, or refinements of them, could solve the problem of having so few inventory shortcuts; and a lot of them are platform-agnostic.