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Author Topic: The Magic River  (Read 187 times)
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« on: October 05, 2017, 06:43:13 PM »

https://www.twitch.tv/videos/179942723

So this is a thing.

Frostfx made this convenient image to help explain the glitch: https://images-ext-1.discordapp.net/external/1t7y1yv3glyOzJNRFdQFPmDmP5OwcqooThpMibEnCCE/https/i.imgur.com/mo7Dg33.jpg
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« Reply #1 on: October 06, 2017, 12:06:52 AM »

Not exactly a "river," if going by the graphics, but that looks amazing!

Happy
Alex  Continental shelves are shifting!  And in an unexpected way, no kidding!

I feel like I want to call it The Magic Roundabout. (Referencing a UK cartoon, I think.) ... (And also secretly references something I was part of on RuneScape years ago. :P A clan I joined was named Skilling Central, and they changed their name to The Magic Roundabout, eventually, the clan "died", and owner moved on to another clan: The Round Table. (King Arthur reference, I assume.) I also followed, and that clan is still here today... Though, I haven't been on RS much lately.... I do want to eventually get back to it, but I was planning to hold off until AT LEAST the release of the bank rework. :/ )

---

Seems to be a 16-pixel margin? 0x1F00-0x1F0F

Map when not scaled is 0x2000px x 0x2000px, I think... but with the scaling, likely doubled... (Referring to current x and y location, since the top of the screen is shorter/bottom is longer.)... so 0x1F00 being right under the half way mark is interesting... (I feel like some rounding thing could be going on... like adding 1 when a number is negative, but I have no idea. Can probably look into it, though. Expecting it to be as simple as a breakpoint write on tilemap ram data. *crosses fingers*)


But first:  Going left/right with Map view open... (using auto-update).... And I'm not sure I understand this...  (Attachement... the column in the middle/at the bottom... when I walked left.) Did not need an encounter to see this... (But I imagine if it is the same as the glitch above.. then you probably would need one to "abuse" it?)
(Also see the same "flickering" on the left side when going right. (First column in map view.))

Almost forgot:  I should test it without messing up the flags... sso this is with messing up storybook flags.... in case it doesn't happen in cannon.


* otheraxisgltich.png (141.44 KB, 840x792 - viewed 33 times.)

* otheraxisgltich.png (245.23 KB, 1680x792 - viewed 33 times.)
« Last Edit: October 06, 2017, 01:12:09 AM by Fox » Logged

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« Reply #2 on: October 07, 2017, 10:44:00 PM »

He's correct about the map being split up, but the sections are 256x256 pixels, or 16x16 tiles that are 16x16px.  I don't know what's happening with this glitch beyond that.


Edit:
FYI there's a full rip of TLA's world map as stored in the game data (except some tilesets are incorrect) available here (8192x8192px, 10.8MB)

I could understand why the graphical glitch might happen because of how the graphics rendering is optimized (see Fox's post above), but the fact that the collisions are incorrect too baffles me.
« Last Edit: October 07, 2017, 11:30:04 PM by Atrius » Logged

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« Reply #3 on: October 08, 2017, 06:45:15 AM »

@FYI: That's cool, but a lot of those tiles are incorrect. (Since the tileset is switched.) ... Um? Not sure why the link sometimes doesn't work? Says it contains errors. Might be due to memory, though.

Anyway: From gsmagic (At least my version.):  ...  https://i.imgur.com/7zd1ibu.jpg (Prox/Mars Lighthouse area.... Gaia Falls... Snow areas... etc.)
Looks like I got some tiles wrong! (I lack water where it is needed.)  Thank you for posting that link!!
(I think I might know why.....) Fixed: https://i.imgur.com/mRzaKyi.jpg (And yes, some of the water tiles are snow in the second huge segment = That is correct. It'll look like water when you're off those tiles, though.)

I know there's a collision tileset (Just for World Map.),... so isn't the indexes that are used for graphics also used for that tileset too? So that would kind of make sense... However, I kind of forgot what I researched a long time ago, so....

World Map tilemap is pasted at 02020000. (Instead of 02010000 as normal maps do.) - 4 square maps are loaded at a time.
zzyyxxxx
zz = Can effect the tileset used.
yy = Event ID
xxxx = Graphical index , but also collision index?(Not confirmed?) (World Map only?) (May not necessarily be 16-bit, but for example...)


---
Update:  Been too lazy to put that breakpoint in. :/ (It's possible I may even have the function already documented, even if I don't have its contents documented.)
« Last Edit: October 08, 2017, 09:01:42 AM by Fox » Logged

Golden Sun Docs: Broken Seal - The Lost Age - Dark Dawn | Mario Sports Docs: Mario Golf & Mario Tennis | Misc. Docs
Refer to Yoshi's Lighthouse for any M&L hacking needs...
*Cross my fingers and hope we have Big Brother All-Stars next year... with Paulie & Cody Califorie(sp?)... and Vanessa & Tiffany Rousso.... Would be fun? :P Especially if one of the boys got evicted early since there's usually some all-guy alliance in there, right?
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« Reply #4 on: October 13, 2017, 08:49:37 PM »

Thanks for the map Atrius. Having explored that area using the first flight cutscene glitch its really cool to actually see what is there :)

But your map also reminded me that there is another point in the game where the overworld is updated - after you fix the boat and set Briggs free.

Getting an encounter with y-coordinate as indicated in the image will cause the bridge to un-fix itself (EDIT: its actually way more lenient, there's a large band of y values than work south of where I am standing). I can't see any other errors caused in this occurrence of the glitch. Of course, opening the menu and closing it again will fix the bridge - as illustrated in this gif: https://gyazo.com/01fe839247061ad159edd296e3fba40b

I guess then the next question is this - when Venus lighthouse is lit at the start of the game, are those cutscenes happening on the copy of gondowan far to the west of the world map? Or is it happening within the world map but having tiles updated?


* 6d010b3dbd81387d00350b3fc8b23162.png (280.36 KB, 722x486 - viewed 15 times.)
« Last Edit: October 13, 2017, 08:55:18 PM by Plexa » Logged
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« Reply #5 on: October 14, 2017, 09:30:04 AM »

Attachment: An image showing where a flag check is done, and how two map sections (side by side) are copied over. (For the Contigo area.)

In map code initialization....

Arguments: srcx, srcy, desx, desy
No size values or anything, so the whole square (16x16 tiles) should be "copied" over...  By putting a file number in the 03001448 list.

Calls a function that hasn't really been documented, but is in an expected area.

0802BD08

r6 = 02032640 = screen x
r7 = src position
r12 = 02032648 = screen y

to be continued?

---
Not sure where glitch occurs yet, but I now at least have something about this function in my doc.


* copytiles.png (12.78 KB, 605x412 - viewed 10 times.)
« Last Edit: October 14, 2017, 11:25:15 AM by Fox » Logged

Golden Sun Docs: Broken Seal - The Lost Age - Dark Dawn | Mario Sports Docs: Mario Golf & Mario Tennis | Misc. Docs
Refer to Yoshi's Lighthouse for any M&L hacking needs...
*Cross my fingers and hope we have Big Brother All-Stars next year... with Paulie & Cody Califorie(sp?)... and Vanessa & Tiffany Rousso.... Would be fun? :P Especially if one of the boys got evicted early since there's usually some all-guy alliance in there, right?
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October 16, 2017, 09:57:26 AM
AZVRE: Im pretty okay, what about you?
October 16, 2017, 01:17:14 AM
Fox: I think the nine is doing a cirno on me, though... Anyway, how is everyone doing today?
October 16, 2017, 01:12:20 AM
Fox: onesixtwo*
October 16, 2017, 01:12:00 AM
Fox: Okay... Meanwhile... ah... 162 being a number that has made itself known to me.... I look at the relationships of the numbers.... 162  1+6+2 = 9 ; onesizetwo = alphabetical order = 9 characters ; Distance apart analysis: os = 4 = 1[6][2] , st = 1 = [1]6[2] , ot = 5 = [1][6]2 ; ost = original sound track?
October 15, 2017, 06:31:17 PM
AZVRE: ah okay :D i thought i caused some trouble
October 14, 2017, 07:49:16 AM
Fox: Oh i know... You were messing with yours, and the description says mine. It's kind of a funny bug. :P
October 13, 2017, 08:18:31 PM
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Fox: e.g. this art = http://forum.goldensunhacking.net/Themes/Jupiter/images/catbg.gif (etc.)
October 12, 2017, 04:48:58 AM
Fox: I have a question: Where did the art for the headers come from? (Like the backgrounds to each of these things... "Affiliates", etc... Asking just incase it inspires me to do something... but if Charon made it, then that's cool too.
October 11, 2017, 04:23:02 AM
FoxWas thinking about having something for the editor anniversary, but I believe I had to change my mind....
October 10, 2017, 12:58:36 PM
Fox: That's alright. ;       @AZVRE's profile: "Current Activity:  Editing the profile of Fox." ...Eh... That looks weird.
October 07, 2017, 11:45:16 PM
Atrius: Sorry about that, the auto bot detection is still working, but it also requires an admin to visit the site regularly.
October 04, 2017, 04:17:40 AM
Fox: Yeah, it does bring a small amount of activity. Not good quality activity, but it's still activity, nonetheless.  Now if we can get them to randomly post pictures and vdeios!
October 04, 2017, 02:10:48 AM
Majora: If nothing else, I like how they're copying the content of real posts at random. Interesting to see how they adapt to seem more authentic
October 03, 2017, 08:29:38 PM
Fox: medico6601 = Most likely another bot. :(
September 26, 2017, 03:32:24 PM
Fox: by ten* Excuse me.
September 26, 2017, 03:32:12 PM
Fox: Oh yes... Also multiply all levels by two. (So actually, an adept will have levels of 54, 3, 2, and 1, rather than 5, 0, 0, 0.... if going by those.)
September 26, 2017, 03:29:07 PM
Fox: ...I mean the theory also saves space on the Status Screen.
September 26, 2017, 03:26:11 PM
Fox: Random/fun concept theory: What if we got rid of ePow/eRest, and just made eLevel do everything. :P (A process of cleaning stuff up... Though, could make things less versatile. - Like, if a Djinni add 1 eLevel = Okay, that's understood... by why specifically +5 on the ePow/eRes (Rhetorical))
September 23, 2017, 04:42:08 AM
Fox: Oh nevermind, it does... but I swear I saw that a minute ago.

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