You'd need to create a custom element for that, and you'd need to know Java to code a custom element. That is not directly possible through MCreator yet, one could make a plugin for it though.
Yes.. but no. You could do that but you'd need to make procedures, a HOTBAR is what you described, which is the thing at the bottom with 9 slots and you can't do that yet.
There also might be a way to store items as variables(make sure it is not on client side or there will be bugs) and you could add a keybinding to swap out you hotbar for the items in the variables, i am pretty sure that you will be able to find more in-depth tutorials on most of the different parts I mentioned if you search for things like changing items in hotbar, keybindings, and variable use.
You'd need to create a custom element for that, and you'd need to know Java to code a custom element. That is not directly possible through MCreator yet, one could make a plugin for it though.
You could make a gui open with a keybind
Yes.. but no. You could do that but you'd need to make procedures, a HOTBAR is what you described, which is the thing at the bottom with 9 slots and you can't do that yet.
There also might be a way to store items as variables(make sure it is not on client side or there will be bugs) and you could add a keybinding to swap out you hotbar for the items in the variables, i am pretty sure that you will be able to find more in-depth tutorials on most of the different parts I mentioned if you search for things like changing items in hotbar, keybindings, and variable use.