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 Post subject: Re: Frogger 3D .MAP
PostPosted: Sun May 07, 2017 12:14 am 
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shakotay2 wrote:
hex2obj uses both but not together, that's the problem.


I wrote a simple program that extracted the data and saved it without offsets, and was able to construct this:
Image

I have a few questions:
a) How exactly did you calculate D190 as the starting address? Was there a calculation involved or was it just a bit of guess-work?
b) Any clue why certain chunks of the map are missing? I can't seem to find a pattern to this, except for the trees that likely aren't fully modelled.


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 Post subject: Re: Frogger 3D .MAP
PostPosted: Sun May 07, 2017 7:06 pm 
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Kneesnap wrote:
a) How exactly did you calculate D190 as the starting address? Was there a calculation involved or was it just a bit of guess-work?
it was just a little bit scrolling up and down in the editor (as always :D ) Oh, I forgot, counting down 80 bytes each (which I think should be 40 only). If you go to 0xd140 you'll experiencea maximum face index of 65323 which I just "felt" to be too big. Also there's a change in the blocksize in the lower address regions (reduced by 4).
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b) Any clue why certain chunks of the map are missing? I can't seem to find a pattern to this, except for the trees that likely aren't fully modelled.
see above, I did not include the lower addresses.

Here's some pic using more FIs (9855) and an FI offset of 34:

(quads must be used instead of triangles)

yes, it's upside down (to show that interesting spiral at the bottom)


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Extracting simple models: http://forum.xentax.com/viewtopic.php?f=29&t=10894
Make_H2O-ForzaHor3-jm9.zip

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 Post subject: Re: Frogger 3D .MAP
PostPosted: Sun May 07, 2017 11:33 pm 
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Huzzah! This looks a bit more complete.
Image

Now to figure out how to texture this.

shakotay2 wrote:
it was just a little bit scrolling up and down in the editor (as always :D ) Oh, I forgot, counting down 80 bytes each (which I think should be 40 only). If you go to 0xd140 you'll experience a maximum face index of 65323 which I just "felt" to be too big.


Ah. I see. When I tried that I thought that the data under "GRID" was what I was looking for. (Still a bit new to this :D )

shakotay2 wrote:
Also there's a change in the blocksize in the lower address regions (reduced by 4).


Interesting, I wonder if this is data to some "scenic" models like the leaves on trees.

EDIT: The spiral on the bottom is actually a bunch of rivers connected.


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