I'm trying to make a GUI that can have a scrollbar for text.. however, anything I've looked at is used for containers/item fields. And to be quite frank, I don't fully understand.

 

String tab1text = localize("gui.tab1.text").replace("\\n", "\n");
fontRendererObj.drawSplitString(tab1text, guiX + 10, guiY + 20, 158, 0x00000);

 

That's how I'm currently rendering my text, and this is how it shows up;

 

Essentially what I want it to do is stop showing anything after the 12th line and allow the scroll bar to move the text up.

I'm totally inexperienced with GUIs so I have no clue what I'm doing.

 

Anything that points me in the right direction will help.

 

Thanks!

You can't do it like that.

 

Best way would be to write you own gui class, BUT you can use some of this:

GuiScrollingList (and it's subtypes)

GuiListExtended (implementation)

 

Main point here is to make scroller and amoutScrolled and render lines from amourScrolled to max visible range. You'll get the idea when you look at proposed classes.

I am using my own GUI class, I'm assuming I can include them in there and figure out how to use them?

Well, I can't see your code, but e.g GuiScrollingList is a java object like any other. You just have to initialize it and in GuiScreen.drawScreen() also do scrollingList.drawScreen().

 

Check out callback hierarchy of those classes - they are used by e.g forge mod-list, look into that code.

Here's my code so far;

https://gist.github.com/Jake-Evans/b82bcc3553ffee6acc8d

 

I'll look into the forge mod list and see how that uses it.

 

Thanks!