Jul -- SM64 Hacking (Archive): SM64 Water Hex Hacking (Geeky stuff)

Jon
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Posted on 08-19-07 03:02:44 PM

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Will you be able to put water anyware or just change its params or what not?

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John2k4
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Posted on 08-19-07 03:08:41 PM

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Also, what about the fog in Jolly Roger Bay?

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Jon
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Posted on 08-19-07 03:15:53 PM

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I think he said its the same command

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John2k4
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Posted on 09-22-07 03:55:17 PM

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	Hey, just thought of something- What about the water in snow man's land? You can swim in it, but it can't heal you, and you slowly loose health in it. ____________________ I GET NEW LAYOUT! Roger3245

blakerobinson2u
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Posted on 09-28-07 01:54:58 AM

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or the ice by the ice bully- it acts like lava but mario says "ha ha ha ha haaaa" in stead of "hot hot hot hot hot"

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Posted on 10-09-07 06:18:23 PM

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The swimming defines a rectangle and a height.

00 00] [F8 01] [0A CD] [07 9A] [13 CD] [EE CE]

[0,1] - The ID of the water polygons that goes with this swimming box
[2,3] – Left Position
[4,5] – Top Position
[6,7] – Right Position
[8,9] – Bottom Position
[10,11] – Y Position of the rectangle.

The water polygons are one of the things loaded with the 0x18 geometry command.

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Posted on 10-13-07 03:08:50 AM

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Originally posted by rstewart215804
The swimming defines a rectangle and a height.

00 00] [F8 01] [0A CD] [07 9A] [13 CD] [EE CE]

[0,1] - The ID of the water polygons that goes with this swimming box
[2,3] – Left Position
[4,5] – Top Position
[6,7] – Right Position
[8,9] – Bottom Position
[10,11] – Y Position of the rectangle.

The water polygons are one of the things loaded with the 0x18 geometry command.

Wow, I didn't post very much these last days, and I missed that post from you rstewart215804. Very useful stuff. I'll implement it in the next version.

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messiaen
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Posted on 04-24-08 12:08:05 AM

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Now with the Flatworld template, I think it is a good idea to bring out this topic again. I'm still very confused about this, but the idea to *FLOOD* Flatworld and make a few islands with 0x24 objects make me eager to learn.

rstewart, what do you mean by 0x18 geometry command? Could you give some example?

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Posted on 04-25-08 02:44:08 PM

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Originally posted by blakerobinson2u
or the ice by the ice bully- it acts like lava but mario says "ha ha ha ha haaaa" in stead of "hot hot hot hot hot"

And even the regular lava it's self? We know a bit about regular water, but what about the water where you loose health, the lava, and the super cold "ice-lava"

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Posted on 04-26-08 01:29:45 AM

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dont forget about the hazy maze "Haze" in the toxic maze. also, we should try generating lava, water, and haze to flatworld

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Posted on 04-26-08 10:00:02 AM

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What happens if you enable flat world but in Dire, Dire Docks or other water levels?.

messiaen
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Posted on 04-26-08 11:11:50 PM (last edited by messiaen at 04-26-08 08:12 PM)

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There is no such thing as "Enabling Flatworld" in specific levels. Flatwold *IS* a level, just like all the others in the game. If you mean erasing the terrain/collision and replacing it with the flatworld plane, there is no reason for doing this, Flatworld is already there for you!

Also, maybe you are missing that one of the main points of Flatworld, which is the linear, edit-friendly data. If you had the Flatworld terrain in another level, still the level commands/layouts would be very messy.

Back on topic, I tried the obvious, that is, inserting one of these 0x44 commands in Flatworld. From what I gather, this is just a special kind of collision command. I inserted it right after the end of the 0x40 triangles, and it crashed the level.

It is still somewhat misterious to me how these very simple commands cover a lot of area, are the bytes 2-11 just coordinates or do they point to vertexes loaded before by a 0x40 command? Or do they have the effect of flooding everything below the "Y" level set?

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Posted on 04-27-08 05:23:34 PM

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I still dont get what makes flatworld "edit-friendly." Everything uses the same game coding, what makes flatword's coding different?

GhostMaster3000
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Posted on 06-24-08 05:33:49 PM

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I Got water in flatworld

Now I need the polygon, but when I try to put it in, the ROM crashes, Any Ideas???

Here is a screen:

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messiaen
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Posted on 06-24-08 09:45:28 PM

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Nice

.

The polygon part will be a bit harder. As rstewart said a few messages ago, they are loaded with the 0x18 command in the level terrain Geo Layout. For instance, there are the 0x18 commands in the Castle Grounds, starting at offset 0x454DB4:

1800 0000 802D 01E0 -> This one is shared by other levels. I can't notice any different upon removing it.
1800 1601 802D 1B70 -> Waterfall polygons
1800 1601 802D 104C -> Main water area (under the bridge and near the start area)

These are pointers to ASM data. My guess is that the water polygons are in the middle of the 0x07 bank of a specific level, but they get called indirectly by that ASM data, instead of the usual 0x15 command.

Perhaps a close look at the polygons of semi-transparent objects (I'm thinking of the Boo enemy) will help us creating a more portable kind of water polygons.

It's been a long time since I last looked at this thread, but what was your approach to create the water box in Flatworld? A "water" 0x24 object would be interesting!

GhostMaster3000
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Posted on 06-25-08 02:26:57 AM

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I just thought i wanted to try to put water in flatworld. I may put an island (made from custom vertexes). I will keep trying to put in the water polygon. It would be great to have a 0x24 water polygon in platform battlefield though

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messiaen
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Posted on 09-22-08 08:26:35 PM

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I used a bit the script dumper and looked at some of the functions called the 0x18 Geo Layout command.

I think I got some pointers for polygon data, all of them in Bank 0x07:



Castle Grounds   - 0x11750 = Waterfall

Lethal Lava Land - 0x286BC = Lava

                   0x28790 = Lava area2

I see some 0xBF triangle commands in these areas, however the other data doesn't seem RSP commands.
These pointers are loaded from the Checksum area (the waterfall is at 0xEBFDC and the lava pointers are nearby pointers, including the lava ones).

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Posted on 09-23-08 12:39:55 AM

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Good work; it makes sense why this was considered tricky, 'Geeky stuff' back when. Now it should be considered the norm, of course. :p

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GhostMaster3000
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Posted on 09-23-08 12:59:39 AM

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With the script dumper, I could try to make the water polygon now in a giant tank I made with the vertex hacking. Also, do you know the other commands for the lava, haze, cold water, etc.

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