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[Other] How to add multiplayer(trade/battle center) to a rom hack

Amr725

    • 1
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    9
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    • Seen Jul 9, 2015
    By multiplayer I mean the second floor in the pokecenter.
    So can you add multiplayer to an existing ROM hack (Pokemon glazed , light platinum....) that don't have the second floor in the pokecenter? I tried doing it with advance map, added the npc's and their script but when you go to the battle room it's glitched and when you stand where you are supposed to the game freezes.
    Thanks for any help in advance
     
    There's a fair chance the scripters of those hacks used the offsets of various scripts used during the multiplayer aspects for their own custom scripts, which will cause things to get pretty weird like you mentioned, especially if you overwrite some. Same goes for the offsets of maps the game might be sending you to. Generally speaking, nobody would get rid of the multiplayer aspect of the games just because they can, it's because they're using its tilesets/offsets for other things so they have no choice but to remove it.
     
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