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Joe667
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Posts: 571
Registered: 07-13


Ever since I moved on from Doom95 to Chocolate Doom (for testing vanilla levels I made), a lot of the maps I've made in the past are suddenly throwing visplane errors at me all the time. It's not like they're Gothic DM detailed or massively open (at all) but the problem remains:

code:
R_findplane: No more Visplanes


Funnily enough, it only occurs on Ultra Voilence (in the latest wad I saw it on, at least). Can I fix these errors by simply changing the nodebuilder, or will I have to severely tone down the detail?

And yes, I know what causes a visplane overlow.

Last edited by Joe667 on 12-27-13 at 13:43

Old Post 12-25-13 17:34 #
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Dragonsbrethren
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Nodebuilder might help, but more likely than not you're going to have to make some changes. It only happening on UV was likely a coincidence (unless monsters are only opening adoor on one difficulty or something like that). Grab Visplane Explorer (or the Doom Builder 2 plugin) and ChocoRenderLimits, those will help you fix up problem areas.

Old Post 12-25-13 21:03 #
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fraggle
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Congratulations, you are now properly testing that your maps are actually Vanilla compatible!

Old Post 12-25-13 21:47 #
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Quasar
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I guess nobody took heed of the fact this must mean Doom 95 has a higher visplane limit. I mean, that is kind of interesting isn't it? Has anybody ever mentioned that before?

Old Post 12-26-13 17:18 #
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Dragonsbrethren
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I thought it was common knowledge. I think the wiki used to mention it somewhere.

Old Post 12-26-13 21:50 #
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GreyGhost
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The wiki says - "It has a slightly higher visplane limit than the original Doom, allowing more complicated maps."

I've seen that line parroted elsewhere without an actual limit being quantified, so maybe a bit of reverse engineering is in order.

Old Post 12-27-13 03:37 #
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Vermil
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Indeed, it's been stated in several places that Doom95 has a slightly higher visplane limit than Vanilla Doom.

Though something else I've read, is that the screen resolution it's ran in can have an impact (with lower resolutions being able to handle a little more). How is this?

Old Post 12-27-13 08:31 #
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fraggle
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Yeah, I suspect a visplane limit increase was necessary to support the higher resolutions.

Old Post 12-27-13 09:26 #
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boris
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Vermil said:
Though something else I've read, is that the screen resolution it's ran in can have an impact (with lower resolutions being able to handle a little more). How is this?

My guess would be that the lower resolution really can't handle more, but that that the problem causing elements are just not discernable because of the lower resolution. But that'd also mean that the Doom engine would use the resolution to decide what to draw and what not, is that even true?

[edit] Might also be of importance:


Some source ports handle 4:3 screen modes incorrectly. An example is Doom 95, which renders the screen in 640x480 mode without any correction for the different aspect ratio. This leads to an expansion of the vertical viewable area. The result is that the player can see more when running in 640x480 mode than in 320x200 or 640x400 mode.

Source: http://doomwiki.org/wiki/Aspect_rat...t_aspect_ratios

Old Post 12-27-13 11:06 #
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