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1 user currently in Super Mario World hacking:  labmaster |
| Acmlm's Board - I2 Archive - Super Mario World hacking - Join the HDMA Revolution! |
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d4s Panser Level: 29  Posts: 283/325 EXP: 142151 For next: 5734 Since: 03-23-04 Since last post: 13 days Last activity: 1 day |
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| you may have noticed that lately, everybody seems to be talking about hdma. blablah hdma here, hdma there, everywhere. but what is it, actually? in a nutshell, its a hardware feature of the snes that enables you to change graphics registers mid-frame. you can use it to create wavey backgrounds, color gradients, fancy window effects if (and here comes the tricky part) you know how to use it. usually, you need to have a very good understanding of both the snes' hardware and 65816 assembler to even think about using hdma. and that is where my new project comes in: a complete hdma effects kit for smw, usable without any knowledge of asm or hdma at all!! you will be able to assign various special effects to each level and the overworld levels individually with a mere change of a textfile. more sophisticated users will even be able to create their own custom effects and implement them into their hack, again, without any programming knowledge. this will first be featured in ice mans upcoming smw hack, then released later as a kit for everybody to enjoy. here's an example gif animation of whats actually possible with this,you can almost feel the hot air spreading from the lava fields below. =) ive slowed it down a bit for you to observe. http://bof2.supernes.de/images/smw_lava_ani.gif(gif file, 1.5mb) and here are some additional screenshots to feast your eyes on: slowly moving water:  a forest covered with fog:  nice blue sky:  a bright forest:  forget the 4 colors layer 3 limitation, here comes the fully shaded statusbar!  if you have suggestions for other effects, dont hesitate to post them here. |
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asdf Cukeman Level: 28 Posts: 237/303 EXP: 128796 For next: 2542 Since: 03-16-04 Since last post: 5 hours Last activity: 54 min. |
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| Wow, I'd never thought SMW hacking would go this far. Before you know it, we'll be dealing with Mode 7 effects. Just how extreme can the wavy effects get? Is stuff like the lava effect the limit, or can you go as far as the fuzzy effect from Yoshi's Island (even if it's just an illusion)? | |||
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Keikonium Banned Level: NAN Posts: 2411/-2459 EXP: NAN For next: 0 Since: 04-02-04 Since last post: 63 days Last activity: 9 hours |
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Shaded Status Bar !HOLY CRAP!!!!!!!!!!!!!! That fucking rocks man. Are you going to release any patches that contain this stuff or at least the staus bar stuff? ~EDIT~ I just read that you are going to  !(edited by Keikonium on 08-25-05 04:05 AM) |
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blackhole89 LOLSEALS Moderator of ROM hacking EmuNET IRC network admin Head GM of TwilightRO Level: 47  Posts: 853/971 EXP: 739208 For next: 26995 Since: 03-15-04 From: Dresden/Germany Since last post: 14 hours Last activity: 12 hours |
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Originally posted by asdf Mode 7 is an entirely different business than HDMA. Whilst the latter can be added in an easy to every persistent game, the first is an entirely different graphics mode, which means - Different graphics data format. - No multilayering. - Limited sprite count on screen. - Different control registers. Also, the knowledge required for using these effects was there for quite a while already... just look at BMF's SMO demo 2 (wavey background effect) or some screenshots of SMW:ALttP I posted aeons back (Status bar (almost, as the message box is the same layer) and really busted old BG gradients). It was just that all of us were too lazy to make something really spectacular like these out of it. Great work, d4s  . I hope this will bring the SMW hacking community back from its half-dead state at last... |
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BMF98567 BLACK HAS BUILT A SILLY DICE-MAZE! GO! Current list of BURNING FURY >8( recipients: - Yiffy Kitten (x2) - Xkeeper Level: 53  Posts: 1097/1261 EXP: 1094149 For next: 62970 Since: 03-15-04 From: Blobaria Special Move: Rising Meatloaf Backhand Combo Since last post: 21 hours Last activity: 1 hour |
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Wow. I may just have to ditch my crusty old HDMA system for this. With this system, can you use your own code to manipulate the HDMA? I'd like to keep my multi-layered cave backgrounds and auto-scrolling clouds. Also (probably a dumb question, knowing you), does this work on a real SNES? |
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MathOnNapkins Math n' Hacks Level: 67  Posts: 2139/2189 EXP: 2495887 For next: 96985 Since: 03-18-04 From: Base Tourian Since last post: 1 hour Last activity: 32 min. |
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| Since I have never worked with HDMA directly, just enough to get by. I must ask what the hell this wavy effect is induced by. I assume you are just modifying the scroll registers for certain backgrounds every (edited by MathOnNapkins on 08-25-05 06:18 AM) |
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Kyoufu Kawa I'm not bad. I'm just drawn that way. Level: 70  Posts: 2106/2481 EXP: 3008456 For next: 7355 Since: 03-19-04 From: Catgirl Central Since last post: 14 hours Last activity: 13 hours |
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Originally posted by MathOnNapkinsLike on nearly every system, I suppose it does  |
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Bio Buster Beetle Level: 27  Posts: 224/458 EXP: 107144 For next: 9015 Since: 07-06-05 From: a laboratory somewhere... Waiting to be completed Since last post: 8 hours Last activity: 5 hours |
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| Could a cutom block can initianilise a HDMA effect? I would like to create a block that do the dizzy effect like in yoshi island, and why ice man gonna have it before everyone? (edited by Bio on 08-25-05 09:36 AM) |
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dan Snap Dragon Level: 43  Posts: 701/782 EXP: 534516 For next: 30530 Since: 03-15-04 Since last post: 20 hours Last activity: 14 hours |
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Originally posted by Bio Presumably because he is his friend. Makes perfect sense to me. |
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Smallhacker Green Birdo SMW Hacking Moderator Level: 68  Posts: 2022/2273 EXP: 2647223 For next: 81577 Since: 03-15-04 From: Söderhamn, Sweden Since last post: 10 hours Last activity: 9 hours |
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 A program which allows you to add HDMA without ASM, and even make new effects, also without ASM? Holy... Question: Will creating new effects be a window in the program or something where you choose from drop down menus? [Scanline 69] [Move Layer] [Layer 2] [Left] [Scanline 71] [Move Layer] [Layer 2] [Right] [Scanline 204] [Add color green] [Layer 2] [25%] ...or will there be some form of simplified programming language? Scanline69: Movelayer (2,-1,0) Scanline71: Movelayer (2,1,0) Scanline204: Colorlayer (2,0,255,0,25) ...or will it be something else? By the way... Shaded itembox = über-w00tness |
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blackhole89 LOLSEALS Moderator of ROM hacking EmuNET IRC network admin Head GM of TwilightRO Level: 47 Posts: 854/971 EXP: 739208 For next: 26995 Since: 03-15-04 From: Dresden/Germany Since last post: 14 hours Last activity: 12 hours |
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| @Smallhacker, if it all, it would look like Channel 3: WriteTo (L2HorizontalShift) begin 69: X-14 71: X+15 204: X-14 end Channel 4: WriteTo (FixedAdditionColor) begin 0: 0 50: 123123 end As far as I know, channels 3 and 4 are the only entirely unused (H)DMA channels in SMW... and for changing palette colours, you need both of them in most cases (one for working the CGRAM address register and one for the colour IO register). If you turn your effects off in situations where the channel is used by SMW though (like the level ending fadeout), you might come to use a few more. Besides that, learn assembler at last. It is and always will be the better choice against scripting. (edited by blackhole89 on 08-25-05 12:14 PM) |
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Sukasa Boomboom Error 349857348734534: The system experienced an error. Level: 57  Posts: 1743/1981 EXP: 1446921 For next: 39007 Since: 02-06-05 From: *Shrug* Since last post: 6 days Last activity: 1 day |
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| Holy Fuck. I know which HDMA version I'm using for COTMK 2. Man, your possibilities are endless! No more crashing HDMA palette edits, that's for sure! Oh, and you ARE allowed multiple HDMA effects a level, right? Mixing the itembox HDMA with another one would be fuckin' sweet! | |||
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d4s Panser Level: 29 Posts: 284/325 EXP: 142151 For next: 5734 Since: 03-23-04 Since last post: 13 days Last activity: 1 day |
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Originally posted by BMF54123 no, i currently dont support external code and i dont plan to, i'd like to keep it as simple and uncomplicated for the user as possible. i dont think it will be hard for you to add your code in, though. it does work on the snes, but tends to slow down if multiple scroll tables are used in a level. thats because emulators allow more code to be executed per frame than actually possible on the snes. im working on this. Originally posted by MathOnNapkins yeah, thats what hdma does. you set up a table with scanline counts and values to write and it gets processed the next frame. very simple, actually. Originally posted by Bio theoretically yes, but i havent implemented that yet. i might, though, maybe using a simple override flag or something like that. youd have to program the custom blocks yourself, though. in the first place, i thought about making it work with custom blocks only, but ice man kept on whining how buggy and hard to use they were and i dont like my code to depend on the code of others, especially if its buggy. using custom blocks would also make the installation process much harder and tedious to insert into the levels. (youd have to place blocks that switch stuff on at every starting point and ones that switch it off at every level exit.) ice man gets it first because he asked first. im usually not taking requests, though. i was just in a good mood and i knew it would take too long, anyway. (2 evenings of work so far) Originally posted by Smallhacker theres no program per se. as i said, you're going to edit a textfile that contains 4 bytes of properties(effects enable flags and number of hdma table to use for each effect) per level and hit a batch file that triggers a compiler wich in turn inserts it into the rom. if you'd like to write an external windows-based program to edit the table, youre welcome to do so, of course. =) (edited by d4s on 08-25-05 12:23 PM) (edited by d4s on 08-25-05 12:24 PM) |
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Sukasa Boomboom Error 349857348734534: The system experienced an error. Level: 57 Posts: 1746/1981 EXP: 1446921 For next: 39007 Since: 02-06-05 From: *Shrug* Since last post: 6 days Last activity: 1 day |
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| So, how it the txt file laid out? like this: 1234 0234 1234 . . . Or is it more: 123402341234..., Or is it something else? @blackhole: What about 2 reg write twice, writing the same number to the CGRAM selection register twice? You'd only need one entry, but that's with BMF's HDMA code. |
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ExKay Somebody set up us the bomb! Level: 50 Posts: 932/1114 EXP: 908268 For next: 39049 Since: 03-15-04 From: Hannover, Germany Since last post: 14 hours Last activity: 1 hour |
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| I hope you don't mind me posting it, d4s. The format is as follows:
(edited by Ice Man on 08-25-05 12:58 PM) |
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d4s Panser Level: 29 Posts: 285/325 EXP: 142151 For next: 5734 Since: 03-23-04 Since last post: 13 days Last activity: 1 day |
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Originally posted by Ice Man in order to avoid confusion, i decided not to post it because the format isnt final yet. most likely, the bitflags will be swapped and if i include additional stuff, they will be extended. apart from that, thats how a table entry will look like, yes. (edited by d4s on 08-25-05 02:11 PM) (edited by d4s on 08-25-05 02:15 PM) |
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Sukasa Boomboom Error 349857348734534: The system experienced an error. Level: 57 Posts: 1749/1981 EXP: 1446921 For next: 39007 Since: 02-06-05 From: *Shrug* Since last post: 6 days Last activity: 1 day |
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| Responding to your first post, one idea for an HDMA effect would be a desert heat wave, out of MMZ1 (RMZ1 to those who'd prefer it's japanese name) for GBA, in the desert area. | |||
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ExKay Somebody set up us the bomb! Level: 50 Posts: 933/1114 EXP: 908268 For next: 39049 Since: 03-15-04 From: Hannover, Germany Since last post: 14 hours Last activity: 1 hour |
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| I have another suggestion: Scrolling water like in DKC2. | |||
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d4s Panser Level: 29 Posts: 286/325 EXP: 142151 For next: 5734 Since: 03-23-04 Since last post: 13 days Last activity: 1 day |
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Originally posted by Sukasa Originally posted by Ice Man screenshots and more details, please. |
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Sukasa Boomboom Error 349857348734534: The system experienced an error. Level: 57 Posts: 1751/1981 EXP: 1446921 For next: 39007 Since: 02-06-05 From: *Shrug* Since last post: 6 days Last activity: 1 day |
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| In MMZ1, the desert are has a background that has certain points where the scroll settings are changed, but instead of having the scroll settings changed, the scanline counts are changed to give the illusion of heat distorting the background. Unfortunately, I can't get any useful screens of the effect. |
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| Acmlm's Board - I2 Archive - Super Mario World hacking - Join the HDMA Revolution! |
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