How to add a new region?

[TheNRGKing]

I've been working on a hack for a bit now, and I have plans to add a new region. Does anybody have any tutorials on how to do this?

 

[Miggiz125s]

Yeah, I really want to add a second region in my ROM hack too.

 

[Momoro]

As for adding a whole new map WHILE KEEPING THE ORIGINAL, I have no idea.(Sorry!)

But, you can add new maps or edit unused existing ones, such as Birth Island (I'm doing that, it's not a necessary room) using Advance Map. (I use 1.95 for editing the rooms, and I use 1.92 for editing the World Map.) - The World Map Editor in 1.92 doesn't create a whole new map - It just edits the original, and it doesn't edit the artwork.(That can be done from UN-LZ GBA.)

The tutorial for editing the World Map Image is here.

 

[TheNRGKing]

Momoro how would I insert a world map that looks like the map in HGSS, like the one that is in Gaia and Unbound?

 

[Momoro]

Well, you'd have to shorten routes on the World Map, which doesn't effect the actual overworld rooms, and it also gives you more world map room for more cities. (Or a region, in your case :D)

Look at screenshots of the World Maps in Gaia, Unbound or Light Platinum and create a map working off of one of those. It has to be the same size as the original Firered map, (I'd recommend Firered for this) or the map will stretch outside of the screen, with no way of seeing the rest of it.

...

Did you see the tutorial? It shows you how to edit the world map, and insert your own.

Just an example, if you wanted to go in Pewter City, but you wanted the World Map to put you in Cerulean, use the World Map Editor in Advance Map 1.92 (1.95 has it disabled)