Haha, not quite. The way the minimap is being Drawn by the client was restricting and resizing it. The client doesn't actually support this, so you have to do the math and calculate (with the new dimensions) the origins and sizes the minimap can reach. In fact, all-in-all it took over 350 client address modifications and lots of math in order to achieve a fully working resolution, so it's not a simple process. The sad part is, I still have a lot to go actually because I need to adjust the defaulted center origin of a lot more dialogues.
It's insane thinking about the amount of changes to the client alone that's been done though, I think the total client addresses modified overall in DEV is just shy of a thousand. Oh, and you can actually update the resolution in any client version, even 62 for example. You just need a LOT of motivation and time because it's a huge project to get done. As you can tell, Nexon didn't even prepare in v90, which is why I was stuck modifying hundreds of addresses.
OT: Behold, my epic jump ability!
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EDIT: Finished up Eric Class, just needs some server-side implementation/packets for things of course