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hex11
Senior Member


Posts: 1989
Registered: 09-09
I was playing around with SLIGE and noticed something strange about some textures. The map was generated the usual way:
$ slige -doom2 -levels 7; bsp slige.out

And here's the random seed:
$ strings slige.out |head -2
PWAD2
SLIGE (490) 1162831338

MAP01 was fine except for a strange looking exit switch (EXITSWIW texture doesn't look at all like a switch...)

MAP02 had all kinds of tutti-fruti all over the place, like this:

http://img820.imageshack.us/img820/1647/grayalta.png

http://img831.imageshack.us/img831/830/grayaltb.png

Those are GRAYALT midtextures on 1s sidedefs, but since the GRAYALT in Freedoom has two transparent patches in upper-left and lower-right corners, you get the tutti fruti (in the original Doom II IWAD, all four pieces are solid patches).

Also, it's a wood crate texture instead of some concrete material like the other GRAY* textures...
Old Post 11-22-11 15:19 #
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GreyGhost
a ghost... only grey


Posts: 6861
Registered: 01-08
I can't find those textures, which IWAD are you using?
Old Post 11-23-11 00:37 #
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hex11
Senior Member


Posts: 1989
Registered: 09-09
It's the doom2.wad from v0.7:
MD5 (freedoom-iwad-0.7/doom2.wad) = 21ea277fa5612267eb7985493b33150e

But you're right, those aren't even in the IWAD. They only show up when I also load the slige.out PWAD into Yadex, or run the resulting output from bsp with chocolate-doom (or prboom). Chocolate Doom also shows some warnings on startup:

R_Init: Init DOOM refresh daemon - [...........R_GenerateLookup: column without
a patch (GRIDRED)
R_GenerateLookup: column without a patch (GRIDBLUE@)
R_GenerateLookup: column without a patch (GRIDYLW)
R_GenerateLookup: column without a patch (GRIDPURP@)
R_GenerateLookup: column without a patch (GRIDWHT2@)
R_GenerateLookup: column without a patch (EXITSWIT@)
R_GenerateLookup: column without a patch (WOODLITE)

So I maybe slige is doing something wrong...

Okay, after RTFM, it looks like slige inserts some new (custom) textures into the generated PWAD, unless you use the -nocustom option. But the weird thing is, those new textures don't cause any problems when using the real Doom II IWAD (no warnings at startup, no tutti fruti, etc.) In fact, here's what the same MAP02 looks like in this case:

http://img14.imageshack.us/img14/7240/grayalt.png

This is with the same exact PWAD that I loaded before with the Freedoom IWAD. But in this case, none of the four patches in that GREYALT texture are transparent, and the EXITSWIW also looks sane.
Old Post 11-23-11 01:58 #
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hex11
Senior Member


Posts: 1989
Registered: 09-09
Oohhh, I remember... This thing:
http://www.doomworld.com/vb/freedoo...ch-texture-bug/

Slige is suffering from lumpy PNAMES syndrome. Whatever that means, I'm not a WAD doctor. ;)

But prepending cct.wad to the -file argument does the trick. Btw, this is a great slige mapset, one of the better ones I've played so far. Anybody can generate it themselves with slige if they use the same seed number I posted, but here's the file anyway:
http://www.sendspace.com/file/0inuy5
It's only 7 levels, with a boss arena on MAP07.
Old Post 11-23-11 02:25 #
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andrewj
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Posts: 1514
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The textures in FreeDoom are not guaranteed to be composed in the same way as the IWAD(s), and this can cause issues with any pwad which adds custom textures and assumes the patches are certain sizes.
Old Post 11-23-11 02:26 #
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Catoptromancy
Forum Regular


Posts: 815
Registered: 08-06
It is actually a pwad with a texture1 and no pnames lmp. Slige creates a texture1 without a pnames lmp?
Old Post 11-23-11 03:12 #
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hex11
Senior Member


Posts: 1989
Registered: 09-09
Both slige.out and the final tmp.wad (from bsp) have only a TEXTURE2 lump and that's it. No TEXTURE1 and no PNAMES.
Old Post 11-23-11 04:28 #
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Gez
Why don't I have a custom title by now?!


Posts: 9148
Registered: 07-07
Catoptromancy said:
It is actually a pwad with a texture1 and no pnames lmp. Slige creates a texture1 without a pnames lmp?


It's perfectly possible. That means the IWAD's PNAMES is used.
Old Post 11-23-11 09:55 #
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Jon
Freedoom Bloke


Posts: 1334
Registered: 09-00
andrewj said:
The textures in FreeDoom are not guaranteed to be composed in the same way as the IWAD(s), and this can cause issues with any pwad which adds custom textures and assumes the patches are certain sizes.


But this is a bug in freedoom, surely. The initial aim was for the TEXTURES lump to be nigh-identical, or at least a superset of the union of DOOM/DOOM2, and for patches to have the same properties (x/y size; whether transparent or not)
Old Post 11-26-11 16:37 #
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andrewj
Senior Member


Posts: 1514
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Jon said:
But this is a bug in freedoom, surely. The initial aim was for the TEXTURES lump to be nigh-identical, or at least a superset of the union of DOOM/DOOM2, and for patches to have the same properties (x/y size; whether transparent or not)

If strong compability is a goal, then yeah it's a bug.

However I remember some talk about trying to avoid any potential copyright issue with the arrangement of the patches in textures (a bit absurb imho).
Old Post 11-27-11 01:03 #
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Catoptromancy
Forum Regular


Posts: 815
Registered: 08-06
Freedoom has the pnames lmp in a different order than id's.

Only a about dozen wads on the archives are affected by this and apparently slige wads.
http://www.doomworld.com/vb/showthr...4168#post984168

Need to rescript build system so that it order the pnames exactly like id's.
http://www.doomworld.com/vb/showthr...3439#post913439
Old Post 11-27-11 01:33 #
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