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Messages - ccexplore

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5521
Lemmings Main / Re: Some questions graphics files
« on: August 24, 2005, 01:36:28 PM »
Hmm, so it flashes on your machine too.

Too bad I don't have the means to try it in real DOS.  In Windows DOS I get that flashing behavior, and in DOSBox it doesn't flash (it seems to be stuck with the build-in palette, since the blue water comes out brown).  Even with the flashing I predominantly see the blue water as brown.

But neither is known to be cycle-accurate in their handling of either the game or the video.  Plus I'm using a laptop, which technically doesn't even do raster scans like a CRT monitor does.

I wonder if the game is trying some trick of timing and tries to switch the palette in the middle of a screen refresh?  If so maybe it'd work in real DOS on a CRT monitor.  Then again, I thought the VGA hardware doesn't even reload the palette until the end of each screen refresh, so somehow I don't think that should work.  Wonder if the wikipedia has anything to say.

5522
Reviews / Re: CustLemm Level List Game
« on: August 24, 2005, 12:10:23 PM »
Quote from: ccexplore (not logged in)  link=1114567084/345#355 date=1124861102
Anyway, I'll try this level later again and see if it's possible to solve it as is.

Level solved!  Here we go:

http://www.geocities.com/guestlevels/lemmings/spilledpeasoup_a.png
http://www.geocities.com/guestlevels/lemmings/spilledpeasoup_b.png

This is a 77/80 solution.  It should be possible to get 79/80 if you don't use bombers to free the 2 blockers I used.  I'm less sure about the feasibility of 80/80, mainly because I think you'd run out of builders.

5523
Lemmings Main / Re: Some questions graphics files
« on: August 24, 2005, 10:22:32 AM »
I was talking about the VGASPEC when I said only 1 VGA palette.

Anyway, regarding the GROUND files, can you find out which entries in the preview palettes (both EGA and VGA) are actually honored by the game?  I'm not sure, but it would seem that the game needs to reserve some of it for the color of the text and the background behind the text.  Or perhaps it's possible to affect their colors as well?

5524
Level Design / Re: Group level competition
« on: August 24, 2005, 09:59:15 AM »
No, what I meant was that I haven't been checking out everyone's profile.

5525
Reviews / Re: CustLemm Level List Game
« on: August 24, 2005, 05:25:02 AM »
Hmm, actually, I'm not 100% sure now.

It seems like, from the entrance area, you escape the wrath of water if the row of pixels of ground is at y=143.  The exit's ground row is actually just one lower than that, at y=144.  It seems that without the water, you can still exit with the ground row as high as y=140.

So it would seem that there are some places where the exit's trigger area are not overlapped by the water's.

This is actually confusing me a little now.  I always thought trigger areas are aligned to multiples of 4 in their x, y, width and height.  Now I'm not so sure.

Anyway, I'll try this level later again and see if it's possible to solve it as is.

5526
Reviews / Re: CustLemm Level List Game
« on: August 24, 2005, 04:33:59 AM »
Ok, it looks like all of the exit's trigger area is covered up by the water's trigger area.  So, in effect, there are no exit trigger areas in the level, hence the level is not solvable.

5527
Reviews / Re: CustLemm Level List Game
« on: August 24, 2005, 03:37:01 AM »
Quote from: Shvegait  link=1114567084/345#351 date=1124852257
I just didn't know if there was some trick/bug that let you get in the exit before dying in the acid.

Oh I see.  So it's not a z-order problem, it's the overlapping object problem.

When the trigger areas of two objects overlap, the one with the higher z-order takes effect in the overlapping region.  So I guess here, the problem is that the water's trigger area is overuling part of or all of the exit's trigger area.

Interesting.  Let me take a shot at this, the level might actually be solvable (or at least the exit can be made usable) without modification.  Well, a slim maybe anyway.

5528
Lemmings Main / Re: Some questions graphics files
« on: August 24, 2005, 03:19:45 AM »
Ok, after some thought, I think this is what's happening instead:

If you play Lemmings in windowed DOSBox, it is pretty obvious that the main menu screen uses a different resolution than when you're playing a level.  That's because when running in windowed DOSBox, the size of the window changes based on the resolution.

It looks to me that when you're not playing a level (eg. at the main menu, and most importantly, at the level preview), the game is probably using the 640x350 EGA mode (this seems true by the way even when running the game in VGA mode, although with VGA it can uses the VGA's palette mechanism even in that mode), and when the level's being played, the game uses the 320x200 EGA mode.

Now the wiki on EGA did say that only the 640x350 EGA mode can use 64 colors, the 320x200 apparently can only use 16.  So it seems plausible that the 64-color palette is used specifically when rendering the level preview in EGA mode, and the 16-color palette is used when actually playing the level in EGA mode.

Although two different graphics modes are also used in VGA, the VGA's palette mechanism works on all graphics modes (or something close to that), so the same palette can be used for both level preview and actual playing.  So only 1 VGA palette.

If you care to test this, the easiest way of course is to zero out one or the other palette, and see whether the level preview and/or in-game view are affected when playing in EGA mode.

5529
Reviews / Re: CustLemm Level List Game
« on: August 24, 2005, 02:54:38 AM »
I forgot which menu it is called, but in LemEdit there's a place where you can set certain display-related options.  So you can turn off the terrain and tell it to ignore the no-overdraw and/or draw-on-terrain-only flags.  Then all objects in the level should show up.

If you can't find an exit object with a z-order of 15 or lower, then the level is impossible to solve.

5530
Level Design / Re: Group level competition
« on: August 24, 2005, 01:57:55 AM »
LOL, well, now you know I haven't been fully utilizing all the members-only features of the forums yet, despite registering recently.  ;P

You know, now that I think of it, I might have been confusing Andi and Timballisto.  No idea why.

5531
Levels for other engines / Re: Level pack topic
« on: August 24, 2005, 01:54:49 AM »
Quote from: Shvegait  link=1089136533/300#300 date=1124827545
In CustLemm, the graphic sets are as follows:

0 (Dirt)
1 (Hell)
2 (Pink)
3 (Gold/Columns)
4 (Crystal)
----
5 (Brick)
6 (Rock)
7 (Snow)
8 (Bubble)

(For completeness's sake)  I think people also sets #9 to the Xmas Lemmings's Snow set.

5532
Reviews / Re: CustLemm Level List Game
« on: August 24, 2005, 01:52:46 AM »
Quote from: Timballisto  link=1114567084/345#345 date=1124843909
If we're not already decided on what to &#A0;review next could we do one of my packs?

Which of your packs would you prefer?

5533
Reviews / Re: CustLemm Level List Game
« on: August 24, 2005, 01:51:50 AM »
Quote from: JM  link=1114567084/330#341 date=1124534155
Bad: <snip> and one way block not used in level

But the one-way block wasn't utilized in the original either.

5534
Level Design / Re: Group level competition
« on: August 23, 2005, 11:50:36 PM »
Quote from: Timballisto  link=1124825063/0#11 date=1124840532
I'm not sure what you guys have it as, so I'll tell you what it is where I live.

month/day/year

I thought only the Americans use that format.  And I thought you were European.  Oh well.

Quote
EDIT: shortly after making this post I realized that a day 0 does not exist either. &#A0;Okay then, deadline is 12:00:30 AM 10/1/2005.

Time zone?  Though I guess it doesn't matter too badly since you said you'd be somewhat lenient.

5535
Lemmings Main / Re: Some questions graphics files
« on: August 23, 2005, 11:45:11 PM »
Hmm...well I'll take a look later tonight.

Maybe it's the other way around then.  Or maybe it is one of the other machine settings (the ones besides PC compatible and Tandy) that has some extension to EGA that supports 64 colors or the like.  As I said, I'm much less familiar with EGA, and it seems the wikipedia article is also pretty short on details too.

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