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1 user currently in Rom Hacking:  hukka |
| Acmlm's Board - I2 Archive - Rom Hacking - Guide to Hacking LTTP Graphics |
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ghillie Octorok Level: 9  Posts: 6/26 EXP: 2978 For next: 184 Since: 06-16-04 From: East Coast Since last post: 293 days Last activity: 1 day |
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Finally made something other people can use... this should answer a lot of questions about editing the graphics in "The Legend of Zelda: A Link to the Past". If you have any questions after this, ask, so I can include them. I think I made everything simple, so there shouldn't be any  Sorry about the link, but it contains more info. If I could upload it here, that'd be great.  http://tekhacks.net/bored/thread.php?id=8936&page=0 Have fun hacking LTTP!  |
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SePH Geldman Level: 33  Posts: 225/459 EXP: 219339 For next: 9840 Since: 06-23-04 From: Québec Caliss de libéraux Since last post: 6 days Last activity: 14 hours |
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| Here you go (In post format): -----------------------------------------  A Tekhacks Document http://www.tekhacks.net/ Hey, my name is *ghillie. The reason for the asterisk is because I like putting prefixes in front of my name to make it more unique. For the moment you can call me Serughillie. Don't ask. All right, when I first had an interest in hacking The Legend of Zelda: A Link to the Past, one of the first things I wanted to change were the graphics. Because, c'mon, that's the first thing you notice when you play any game, especially a hack. So, I opened up the .smc file (the rom's extension). Double clicking didn't do much for me. So, I downloaded a tile editor, which you will need for this tutorial. My preference if YY-CHR. That's what most of the screens on this document are from, and it'd be much easier for you to follow this guide if you download that. So, the first thing you'll notice is a screen like this:  That doesn't really look like something you can edit easily, does it? Scrolling down, however, you'll find:  See that red scrollbar on the left? Look at that in the pics, it'll help out a lot. Okay, so we found Link's graphics, and, scrolling through the gibberish, it doesn't look like there's much else to edit, does there? Well, there's good news. And it has nothing to do with car insurance. No, there's a program called 'zcompress'by FuSoYa, which allows you to edit those graphics. You see, when the developers made the game, there was a buttload of graphics, and they wanted to keep the file size down. Let me make an example: If you take 100 bricks and throw them on the ground, its a huge pile, right? But, if you take the time to stack it, you have a much more efficient way of storing the bricks. That's what the developers did. Now guess what you need to do. Download zcompress, if you haven't already done that. Double-clicking on it does nothing, because it is a dos file. What you need to do, is open up a command prompt. For Windows users, that should be a program called, uh, Command Prompt. It should be in the accesories folder in the Start Menu. Now, when you open the command prompt, you need to type some code in. The codes are explained in the readme file that FuSoYa packaged, but I'll help you out anyway. There are a few things you need to do first, however. - Make a folder in C: called zcompress - put zcompress in the above folder - put a LTTP rom in that folder, and title it Z31.smc That's it! Now you just need to make the command prompt look something like this:  The code you want to type is exactly: C:\zcompress\zcompress.exe 0 C:\zcompress\Z31.smc z3gfx.bin Now hit enter. Your screen should look like:  Now you have decompressed all of the data in the rom. BUT, you don't want to open the rom. No, do a search on your computer for z3gfx.bin, and, once you find it, open it up in YY-CHR. What, there's still gibberish? Well, then, change the scrollbar on the bottom from 4BPP MSX(/Genesis) to the correct format, which is 4BPP SNES. Still a bit scrambled, but if you understand tiles, it makes sense.  The rest is pretty self-explanatory, you'll find most of the tiles in the game in this format. However, there are a few that you can't edit in 4BPP mode. In 2BPP GB mode, you can edit the intro:  I changed the colors so you'll recognize it a little easier. Also in 2BPP GB mode, you can find the items that are displayed in the top left corner in gameplay (Link's current item).  And now, the rest is up to you. Have fun editing the graphics! If you have any other questions, you can use the private messaging system on http://www.tekhacks.net/ or you can post a question on the boards. Tonka. -------------------------------------------------------------------------------- LEGAL STUFF: You can freely distribute and link to this, as long as its not modified or changed in any way, and I am credited as the author. All programs mentioned here (yy-chr, zcompress, rom) are not mine, read their legal info for their copyrights and stuff. Don't make a mess of something as simple as a free document, please. |
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jonwil Goomba Level: 9 Posts: 18/25 EXP: 2989 For next: 173 Since: 04-09-04 Since last post: 85 days Last activity: 81 days |
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| Actaully, Hyrule Magic can edit all the graphics directly (AFAIK) without needing to export them or do anything funky to them. |
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ghillie Octorok Level: 9 Posts: 7/26 EXP: 2978 For next: 184 Since: 06-16-04 From: East Coast Since last post: 293 days Last activity: 1 day |
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Originally posted by jonwil Except for the items and story intro... basically, anything that was in 2BPP format. That's why I made this guide |
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cpubasic13 17 years old now. Time to buy some M rated games by myself! Level: 54  Posts: 618/1346 EXP: 1206934 For next: 26936 Since: 03-15-04 From: Blame my parents, Eddy Since last post: 2 days Last activity: 1 day |
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| This is no different from using YCompress. I know how to do it, so... It also helps to put a copy of command.com in the same directory as the rom so you don't have to type in C: and whatnot. |
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ghillie Octorok Level: 9 Posts: 8/26 EXP: 2978 For next: 184 Since: 06-16-04 From: East Coast Since last post: 293 days Last activity: 1 day |
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| Well, some people didn't know that you could edit the 2BPP graphics, and some don't even know how to edit Link's graphics. So, I figure it will help at least ONE person by making this guide... |
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SePH Geldman Level: 33 Posts: 227/459 EXP: 219339 For next: 9840 Since: 06-23-04 From: Québec Caliss de libéraux Since last post: 6 days Last activity: 14 hours |
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Originally posted by jonwil True for all 4bpp graphics, however HM can't edit 2bpp ones; so like ghillie said, you need to do zcompress in orderto edit the intro graphics as well as the items as you see them in the menu and the top corner item currently in use. |
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Dr. Mario Bot Level: 26  Posts: 38/262 EXP: 99225 For next: 3050 Since: 05-04-04 Since last post: 53 min. Last activity: 41 min. |
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| Actually this is a pretty sweet walkthrough for anyone that is into GFX design. I'm starting to use other console's GFX and modifying it for NES roms. (Modifying as in changing it to 4 colors and modifying it to be wat I want for my hack.) I just grabbed up a FF1 Wonderswan Sprite sheet and made different classes for my FF1 NES hack. I might actually use this so I have better quality GFX for town/dungeon tilesets using ALTTP tiles. |
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