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Jul - SM64 Hacking (Archive) - MariOZMAV - a Super Mario 64 level viewer New poll - New thread - New reply
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Me-me
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Posted on 01-26-09 07:02:52 PM Link | Quote
The floating sign is actually floating.
But the game sticks it to the ground when the level is played.

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messiaen
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Posted on 01-26-09 08:05:00 PM Link | Quote
Originally posted by xdaniel
1) All "!" boxes are rendered at once, in the same place, every time one of the boxes appears in a level.

For example, the "!" boxes are object ID 0x89, the 0x22 command loading the geometry - 22 08 00 89 0F 00 06 94 - being at 0x0694 in segment 0x0F [corrected typos], which in turn executes 4 Display Lists in segment 0x08... So, how does the game know which one of the 4 Display Lists to use for a given box?


I'm not sure if I understood what is happening, but each display list is a part of the object (they are usually divided by textures, I guess for optimization), like the main terrain. Try rendering all the display lists between the beggining and end of a Geo Layout script. If they all show in the same place, are you sure you are offsetting them by the X, Y, Z positions specified by the 0x24 command that creates the individualized objects ?

Originally posted by xdaniel
2) Certain objects aren't scaled down to their in-game size, among other things.


Some objects have hardcoded scaling settings in the behavior scripts (0x32 command, which is just a a simple scaling factor), others in the geometry data (0x1d command, not sure how to read it) and many others have it hardcoded in their specific code. Also, behaviors can sometimes offset x,y,z positions or add a "gravity effect" (behavior command 0x1e), though this will depend a lot on the specific object. I guess dealing with all cases would be pretty much impossible.

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xdaniel
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Posted on 01-26-09 08:41:33 PM Link | Quote
Okay, first about the scaling: I've got the 0x1D geometry command in, approximating how to read its parameter bytes based on the signposts - they now show up pretty much like they do in the game, I think. As for the other ways how scaling and positioning might be set or offset... I'll leave those out since it really seems like too much work and all to try and implement them...

Now for the "!" boxes, which I guess I haven't written about clearly enough (ugh, typing and coding while being tired isn't that great of an idea ^^"):

Anyway, what I'm doing right now actually is already rendering all the Display Lists inside one geometry layout script, and using the X, Y and Z position specified by the 0x24 command to render them. This one has 4 almost identical Display Lists - same order and amount of commands, just different texture and vertex offsets - which, I suppose, means that there's one for the red Wing Cap box, one for the green Metal Cap box, one for the blue Vanish Cap box and one for the regular orange box.

So when rendering a 0x89 "!" box object, I end up with all 4 of those Display Lists being rendered instead of just the one of the box type that's actually supposed to be at that place in the level - so when there's a Wing Cap box in Bob-Omb's Battlefield somewhere, the viewer places it at the correct position but renders all four "!" box models instead of just the red one, or if there's a regular orange box with coins or a star inside, it again renders all four models instead of the orange one alone.

I hope this came out a bit clearer ^^"


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cu xdaniel
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Posted on 01-27-09 01:01:01 AM (last edited by VL-Tone at 01-26-09 10:01 PM) Link | Quote
Time: Now - Date: Today - Weather: What can be seen outside. - Mood: How it feels. Answer to the universe: 42
The correct display list for the "!" boxes is chosen by the behavior asm function, depending on the behavior param found in or referred by the 0x24, 0x42 or 0x43 command displaying the "!" box. I had to add a special case in TT64 that traps the "!" box objects and choose the corresponding display list according to the behav param.

Now, let's take a look at the geometry layout script for the "!" box:

 
00200F64 / 0F000694 [ 20 00 01 2C ]

00200F68 / 0F000698 [ 04 00 00 00 ]

00200F6C / 0F00069C    [ 16 00 00 0A 00 B4 00 46 ]

00200F74 / 0F0006A4    [ 04 00 00 00 ]

00200F78 / 0F0006A8       [ 0E 00 00 04 80 29 DB 48 ]

00200F80 / 0F0006B0       [ 04 00 00 00 ]

00200F84 / 0F0006B4          [ 15 01 00 00 08 01 93 18 ]

00200F8C / 0F0006BC          [ 15 01 00 00 08 01 93 78 ]

00200F94 / 0F0006C4          [ 15 01 00 00 08 01 93 D8 ]

00200F9C / 0F0006CC          [ 15 01 00 00 08 01 94 38 ]

00200FA4 / 0F0006D4       [ 05 00 00 00 ]

00200FA8 / 0F0006D8    [ 05 00 00 00 ]

00200FAC / 0F0006DC [ 05 00 00 00 ]

00200FB0 / 0F0006E0 [ 01 00 00 00 ]


See that 0x0E command? It's used for doing animation using multiple display lists (I'm not talking about things that move or rotate, but rather animation done by switching models/display lists). The fourth byte (in this case 0x04) is the number of frames in the animation. The 0x0E command applies to items inside the following "node" in the geo layout hierarchy, which in this case contains four 0x15 commands pointing to 4 different display lists, and only one at a time is displayed by the game engine.

The last four bytes of the 0x0E are a RAM pointer referring to some ASM function that determines what kind of animation will be used. For things like flames and other similar animated models, the game simply cycles trough all frames with a predetermined frame-rate. In other cases, the current frame number is dynamic and is set by behavior ASM functions, for example, Mario's eyes animation are done by switching the whole head display lists found inside a similar node (and like the "!" boxes, these share the same vertices).

While the 0x0E is mainly used for animation, it's also used for the "!" box, as the behavior ASM function for these will set the "frame" to the box with the corresponding color depending on the provided parameter. A similar trick is used to put star numbers on doors.

Now, I didn't look inside the behavior ASM code to be able to render the "!" boxes correctly depending on their content. Unless you integrate an N64 emulator into your program, you'll never be able to render every single animated object correctly, even in a static form, using only the data in ROM. Not to say that you couldn't animate simple stuff like flames, but there are a few things that absolutely depend on ASM to be rendered correctly. The most you could do without integrating an N64 emulator is to reverse-engineer and port all these behavior functions to your program, and that wouldn't be a piece of cake (this is essentially what I did for the "!" box case, but there are many others cases, each behaving differently.)

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xdaniel
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Posted on 01-29-09 07:26:37 PM Link | Quote
Thanks for the help and advice, but I haven't managed to get the program to render those objects properly... It's not that I don't understand how I should be doing it, but rather that I can't seem to implement that into my existing code without breaking everything - objects not showing up at all, objects still rendering all Display Lists instead of just one, objects only rendering one Display List when they should render multiple, etc. The last one was my third freaking try... Well, gotta rewrite some of that object rendering code, I suppose -.-


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cu xdaniel
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Posted on 04-06-09 04:23:56 PM Link | Quote
It's been a while since I last posted here, and also since I last worked on MariOZMAV... So, in case someone might be interested in it, here's the (slightly broken) latest source code of the program - I last worked on it late January, the included executable having been built on January 31st, I think the texture cache is still broken, object rendering is still buggy as well, but it's better than nothing...

...anyway, download here: http://magicstone.de/dzd/random/ozmav-misc/mariozmav_latest.rar

Even though I've ceased working on it - actually, no branch of OZMAV is still in the works at the moment -, I still won't mind comments or whatever


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cu xdaniel
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Posted on 04-07-09 09:46:12 PM Link | Quote
One thing I always love about MariOZMAV is that the levels look a bit more... natural, as opposed to prerendered

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dragon123
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Posted on 02-16-10 12:53:19 PM Link | Quote
doesnt worked for me

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xdaniel
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Posted on 02-16-10 03:09:30 PM Link | Quote
Originally posted by dragon123
doesnt worked for me


Even though the project is very much frozen right now, I'm still interested in why the program doesn't work for someone. However, "doesnt worked for me" isn't much help.

So, what exactly is happening when you try to start it? Does it crash, does it not load the ROM or levels?


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cu xdaniel
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Posted on 02-16-10 06:44:27 PM Link | Quote

Time/Date

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Metal_Man88
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Don't bother, he can't operate the new reply button properly, let alone OZMAV.

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Posted on 05-28-11 12:15:38 PM Link | Quote
There's a bug that crashes the program (at least with the latest version of Code::Blocks+MinGW).

On helpers.c, HelperFunc_ScriptLogCommand, the line that reads:

char * CmdTypeText;


Should be:

char CmdTypeText[4];


I'm surprised that some compiler actually manages not to crash the program with this bug.
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Posted on 05-30-11 07:51:52 PM Link | Quote


>>ESTABLISHING LINK...DONE.    >>FETCHING POST DATA...DONE.    >>EXECUTING POSTDISP.BIN...


On one hand, it's great that someone actually looked at the thing, on the other, it's embarrassing for me to see this POS code again.

That is quite a bug, and I don't even know why I did this, or yeah, why it even worked for me...


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Jul - SM64 Hacking (Archive) - MariOZMAV - a Super Mario 64 level viewer New poll - New thread - New reply


Rusted Logic
Acmlmboard - commit 47be4dc [2021-08-23]
©2000-2022 Acmlm, Xkeeper, Kaito Sinclaire, et al.

32 database queries.
Query execution time:  0.093834 seconds
Script execution time:  0.028200 seconds
Total render time:  0.122034 seconds


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line 396 column 161 - Warning: <img> lacks "alt" attribute
line 407 column 15 - Warning: <img> lacks "alt" attribute
line 427 column 15 - Warning: <img> proprietary attribute value "absmiddle"
line 427 column 15 - Warning: <img> lacks "alt" attribute
line 427 column 58 - Warning: <img> proprietary attribute value "absmiddle"
line 427 column 58 - Warning: <img> lacks "alt" attribute
line 427 column 101 - Warning: <img> proprietary attribute value "absmiddle"
line 427 column 101 - Warning: <img> lacks "alt" attribute
line 427 column 144 - Warning: <img> proprietary attribute value "absmiddle"
line 427 column 144 - Warning: <img> lacks "alt" attribute
line 427 column 187 - Warning: <img> proprietary attribute value "absmiddle"
line 427 column 187 - Warning: <img> lacks "alt" attribute
line 427 column 230 - Warning: <img> proprietary attribute value "absmiddle"
line 427 column 230 - Warning: <img> lacks "alt" attribute
line 427 column 273 - Warning: <img> proprietary attribute value "absmiddle"
line 427 column 273 - Warning: <img> lacks "alt" attribute
line 427 column 316 - Warning: <img> proprietary attribute value "absmiddle"
line 427 column 316 - Warning: <img> lacks "alt" attribute
line 427 column 359 - Warning: <img> proprietary attribute value "absmiddle"
line 427 column 359 - Warning: <img> lacks "alt" attribute
line 427 column 402 - Warning: <img> proprietary attribute value "absmiddle"
line 427 column 402 - Warning: <img> lacks "alt" attribute
line 428 column 22 - Warning: <img> lacks "alt" attribute
line 428 column 63 - Warning: <img> lacks "alt" attribute
line 428 column 112 - Warning: <img> lacks "alt" attribute
line 428 column 162 - Warning: <img> lacks "alt" attribute
line 429 column 11 - Warning: <img> lacks "alt" attribute
line 439 column 15 - Warning: <img> lacks "alt" attribute
line 459 column 17 - Warning: <img> proprietary attribute value "absmiddle"
line 459 column 17 - Warning: <img> lacks "alt" attribute
line 459 column 60 - Warning: <img> proprietary attribute value "absmiddle"
line 459 column 60 - Warning: <img> lacks "alt" attribute
line 459 column 103 - Warning: <img> proprietary attribute value "absmiddle"
line 459 column 103 - Warning: <img> lacks "alt" attribute
line 459 column 146 - Warning: <img> proprietary attribute value "absmiddle"
line 459 column 146 - Warning: <img> lacks "alt" attribute
line 459 column 189 - Warning: <img> proprietary attribute value "absmiddle"
line 459 column 189 - Warning: <img> lacks "alt" attribute
line 459 column 232 - Warning: <img> proprietary attribute value "absmiddle"
line 459 column 232 - Warning: <img> lacks "alt" attribute
line 459 column 275 - Warning: <img> proprietary attribute value "absmiddle"
line 459 column 275 - Warning: <img> lacks "alt" attribute
line 459 column 318 - Warning: <img> proprietary attribute value "absmiddle"
line 459 column 318 - Warning: <img> lacks "alt" attribute
line 459 column 361 - Warning: <img> proprietary attribute value "absmiddle"
line 459 column 361 - Warning: <img> lacks "alt" attribute
line 460 column 23 - Warning: <img> lacks "alt" attribute
line 460 column 64 - Warning: <img> lacks "alt" attribute
line 460 column 113 - Warning: <img> lacks "alt" attribute
line 460 column 163 - Warning: <img> lacks "alt" attribute
line 461 column 11 - Warning: <img> lacks "alt" attribute
line 471 column 15 - Warning: <img> lacks "alt" attribute
line 478 column 1517 - Warning: <img> lacks "alt" attribute
line 478 column 1727 - Warning: <img> lacks "alt" attribute
line 478 column 1815 - Warning: <img> lacks "alt" attribute
line 478 column 2059 - Warning: <img> lacks "alt" attribute
line 478 column 2404 - Warning: <img> lacks "alt" attribute
line 478 column 2593 - Warning: <img> lacks "alt" attribute
line 486 column 22 - Warning: <img> lacks "alt" attribute
line 486 column 63 - Warning: <img> lacks "alt" attribute
line 486 column 112 - Warning: <img> lacks "alt" attribute
line 486 column 162 - Warning: <img> lacks "alt" attribute
line 497 column 15 - Warning: <img> lacks "alt" attribute
line 521 column 15 - Warning: <img> proprietary attribute value "absmiddle"
line 521 column 15 - Warning: <img> lacks "alt" attribute
line 521 column 58 - Warning: <img> proprietary attribute value "absmiddle"
line 521 column 58 - Warning: <img> lacks "alt" attribute
line 521 column 101 - Warning: <img> proprietary attribute value "absmiddle"
line 521 column 101 - Warning: <img> lacks "alt" attribute
line 521 column 144 - Warning: <img> proprietary attribute value "absmiddle"
line 521 column 144 - Warning: <img> lacks "alt" attribute
line 521 column 187 - Warning: <img> proprietary attribute value "absmiddle"
line 521 column 187 - Warning: <img> lacks "alt" attribute
line 521 column 230 - Warning: <img> proprietary attribute value "absmiddle"
line 521 column 230 - Warning: <img> lacks "alt" attribute
line 521 column 273 - Warning: <img> proprietary attribute value "absmiddle"
line 521 column 273 - Warning: <img> lacks "alt" attribute
line 521 column 316 - Warning: <img> proprietary attribute value "absmiddle"
line 521 column 316 - Warning: <img> lacks "alt" attribute
line 521 column 359 - Warning: <img> proprietary attribute value "absmiddle"
line 521 column 359 - Warning: <img> lacks "alt" attribute
line 521 column 402 - Warning: <img> proprietary attribute value "absmiddle"
line 521 column 402 - Warning: <img> lacks "alt" attribute
line 522 column 22 - Warning: <img> lacks "alt" attribute
line 522 column 63 - Warning: <img> lacks "alt" attribute
line 522 column 112 - Warning: <img> lacks "alt" attribute
line 522 column 162 - Warning: <img> lacks "alt" attribute
line 523 column 11 - Warning: <img> lacks "alt" attribute
line 533 column 15 - Warning: <img> lacks "alt" attribute
line 548 column 887 - Warning: <div> anchor "divxdn" already defined
line 549 column 1051 - Warning: <img> lacks "alt" attribute
line 549 column 1186 - Warning: <img> lacks "alt" attribute
line 550 column 1268 - Warning: <img> lacks "alt" attribute
line 561 column 44 - Warning: <img> proprietary attribute value "absmiddle"
line 561 column 142 - Warning: <img> proprietary attribute value "absmiddle"
line 561 column 245 - Warning: <img> proprietary attribute value "absmiddle"
line 570 column 25 - Warning: <img> lacks "alt" attribute
line 575 column 267 - Warning: <img> lacks "alt" attribute
line 555 column 17 - Warning: trimming empty <tr>
line 125 column 68 - Warning: <nobr> is not approved by W3C
line 141 column 68 - Warning: <nobr> is not approved by W3C
line 177 column 27 - Warning: <nobr> is not approved by W3C
line 204 column 27 - Warning: <nobr> is not approved by W3C
line 238 column 27 - Warning: <nobr> is not approved by W3C
line 274 column 27 - Warning: <nobr> is not approved by W3C
line 276 column 157 - Warning: <table> proprietary attribute "height"
line 276 column 222 - Warning: <td> proprietary attribute "background"
line 276 column 318 - Warning: <td> proprietary attribute "background"
line 276 column 408 - Warning: <table> proprietary attribute "height"
line 276 column 488 - Warning: <td> proprietary attribute "background"
line 276 column 1443 - Warning: <td> proprietary attribute "background"
line 326 column 27 - Warning: <nobr> is not approved by W3C
line 354 column 27 - Warning: <nobr> is not approved by W3C
line 386 column 27 - Warning: <nobr> is not approved by W3C
line 412 column 27 - Warning: <nobr> is not approved by W3C
line 444 column 27 - Warning: <nobr> is not approved by W3C
line 476 column 27 - Warning: <nobr> is not approved by W3C
line 478 column 1596 - Warning: <td> proprietary attribute "background"
line 478 column 1896 - Warning: <td> proprietary attribute "background"
line 478 column 2149 - Warning: <table> proprietary attribute "height"
line 478 column 2485 - Warning: <td> proprietary attribute "background"
line 502 column 27 - Warning: <nobr> is not approved by W3C
line 538 column 27 - Warning: <nobr> is not approved by W3C
Info: Document content looks like HTML5
Info: No system identifier in emitted doctype
Tidy found 352 warnings and 4 errors!

The alt attribute should be used to give a short description
of an image; longer descriptions should be given with the
longdesc attribute which takes a URL linked to the description.
These measures are needed for people using non-graphical browsers.

For further advice on how to make your pages accessible
see http://www.w3.org/WAI/GL.
You are recommended to use CSS to specify the font and
properties such as its size and color. This will reduce
the size of HTML files and make them easier to maintain
compared with using <FONT> elements.

You are recommended to use CSS to control line wrapping.
Use "white-space: nowrap" to inhibit wrapping in place
of inserting <NOBR>...</NOBR> into the markup.

About HTML Tidy: https://github.com/htacg/tidy-html5
Bug reports and comments: https://github.com/htacg/tidy-html5/issues
Official mailing list: https://lists.w3.org/Archives/Public/public-htacg/
Latest HTML specification: http://dev.w3.org/html5/spec-author-view/
Validate your HTML documents: http://validator.w3.org/nu/
Lobby your company to join the W3C: http://www.w3.org/Consortium

Do you speak a language other than English, or a different variant of
English? Consider helping us to localize HTML Tidy. For details please see
https://github.com/htacg/tidy-html5/blob/master/README/LOCALIZE.md