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Very Hot Topic (More than 25 Replies) Best BSP setting (Read 6960 times)
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Best BSP setting
Apr 15th, 2009 at 2:14pm
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What would be the best BSP setting to avoid BSP bugs?

Optimal.
Minimize Cuts - Balance tree: 0.
Ignore Portals - Portals Cut All 100.
or
Lame.
Minimize Cuts - Balance tree: 100.
Ignore Portals - Portals Cut All 0.
or something else?

I can't see any real difference in my map whatever I change.
  
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GreatEmerald
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Re: Best BSP setting
Reply #1 - Apr 15th, 2009 at 8:05pm
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The best setting for avoiding BSP errors is your mind Cheesy To really avoid all bugs, you have to create levels with 3rd party software, that's how Epic did most of the levels. To avoid most of bugs, use semisolids everywhere.
Those settings do change something though. I *think* that Minimise Cuts means that on rebuild, the engine tries to make all BSP cuts as small as possible, while Balance Tree looks for biggest BSP cuts and scatters parts of it all over the map, so instead of one huge you see a lot of small ones. But that's only what I believe is happening...
No idea about portals TBH.
  
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[Ŕ] ŤhěxĐŕkśđěŕ
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Re: Best BSP setting
Reply #2 - Apr 15th, 2009 at 8:19pm
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My experience: Portals Cut All will make more BSP cuts, and, possibly, more BSP errors, but Ignore Portals will turn portals into HOMs.

Also, what Shivaxi told me once, "NEVER USE LAME OPTIMIZATION!!one". Although I don't really know why, as Lame optimization produces less BSP holes for me, you'll have to ask him that. Wink
  

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SkaarjSlayer
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Re: Best BSP setting
Reply #3 - Apr 15th, 2009 at 9:01pm
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[Ŕ] ŤhěxĐŕkśđěŕ wrote on Apr 15th, 2009 at 8:19pm:
Also, what Shivaxi told me once, "NEVER USE LAME OPTIMIZATION!!one". Although I don't really know why, as Lame optimization produces less BSP holes for me, you'll have to ask him that. Wink


Which is weird because lame optimization made my map a BSP minefield. I agree with Shivaxi on that one Tongue
  

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[Ŕ] ŤhěxĐŕkśđěŕ
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Re: Best BSP setting
Reply #4 - Apr 15th, 2009 at 9:13pm
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SkaarjSlayer wrote on Apr 15th, 2009 at 9:01pm:
BSP minefield


Good metaphor. Cheesy
  

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Re: Best BSP setting
Reply #5 - Apr 15th, 2009 at 9:27pm
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Ideally you should not mess with the sliders, as they are basically a compromise between optimisation and quality of build. I only changed them one time because of a persistent HOM Sad
  

You must construct additional pylons.
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Re: Best BSP setting
Reply #6 - Apr 16th, 2009 at 1:33pm
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Why Unreal 200 editor make the least bsp's than any other UnrealEd?
  
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GreatEmerald
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Re: Best BSP setting
Reply #7 - Apr 16th, 2009 at 2:23pm
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By the way, some people might not know, but never use the Build All button. Use the three build buttons one after another instead. Build All has an optimisation stage that gets rid of some polygons, but also produces BSP cuts. And these days a few more polys won't make the map unplayable.
  
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[Ŕ] ŤhěxĐŕkśđěŕ
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Re: Best BSP setting
Reply #8 - Apr 16th, 2009 at 6:45pm
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GreatEmerald wrote on Apr 16th, 2009 at 2:23pm:
By the way, some people might not know, but never use the Build All button. Use the three build buttons one after another instead. Build All has an optimisation stage that gets rid of some polygons, but also produces BSP cuts. And these days a few more polys won't make the map unplayable.


Didn't know that, thx. Smiley
  

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Re: Best BSP setting
Reply #9 - Apr 19th, 2009 at 4:47am
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SkaarjSlayer wrote on Apr 15th, 2009 at 9:01pm:
[Ŕ] ŤhěxĐŕkśđěŕ wrote on Apr 15th, 2009 at 8:19pm:
Also, what Shivaxi told me once, "NEVER USE LAME OPTIMIZATION!!one". Although I don't really know why, as Lame optimization produces less BSP holes for me, you'll have to ask him that. Wink


Which is weird because lame optimization made my map a BSP minefield. I agree with Shivaxi on that one Tongue


Just saw this post...and yeah it's true lol, the Lame setting just destroys any map with a high poly count Tongue
  

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[Ŕ] ŤhěxĐŕkśđěŕ
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Re: Best BSP setting
Reply #10 - Apr 20th, 2009 at 1:32pm
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Shivaxi wrote on Apr 19th, 2009 at 4:47am:
SkaarjSlayer wrote on Apr 15th, 2009 at 9:01pm:
[Ŕ] ŤhěxĐŕkśđěŕ wrote on Apr 15th, 2009 at 8:19pm:
Also, what Shivaxi told me once, "NEVER USE LAME OPTIMIZATION!!one". Although I don't really know why, as Lame optimization produces less BSP holes for me, you'll have to ask him that. Wink


Which is weird because lame optimization made my map a BSP minefield. I agree with Shivaxi on that one Tongue


Just saw this post...and yeah it's true lol, the Lame setting just destroys any map with a high poly count Tongue


Well, my maps have a very few polygons, I barely use anything else than primitives and I tend to be ACAP (As Compact As Possible). That's why my maps suck. Cheesy

Pyramid quote ftw.
  

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Re: Best BSP setting
Reply #11 - Apr 20th, 2009 at 9:46pm
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Optimization deals with how balanced the BSP tree is. The more balanced the tree is, the less likely different regions of the map are to have differing framerates.

Cuts refers to how many nodes are in the BSP tree itself. The more cuts, the easier it is to balance, as there are more nodes to work with, but the greater the likelihood for BSP errors (though I really don't understand how they form in the first place..)

I personally use the highest optimization setting and minimize cuts.
  
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Shivaxi
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Re: Best BSP setting
Reply #12 - Apr 21st, 2009 at 1:00am
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[Ŕ] ŤhěxĐŕkśđěŕ wrote on Apr 20th, 2009 at 1:32pm:
Shivaxi wrote on Apr 19th, 2009 at 4:47am:
SkaarjSlayer wrote on Apr 15th, 2009 at 9:01pm:
[Ŕ] ŤhěxĐŕkśđěŕ wrote on Apr 15th, 2009 at 8:19pm:
Also, what Shivaxi told me once, "NEVER USE LAME OPTIMIZATION!!one". Although I don't really know why, as Lame optimization produces less BSP holes for me, you'll have to ask him that. Wink


Which is weird because lame optimization made my map a BSP minefield. I agree with Shivaxi on that one Tongue


Just saw this post...and yeah it's true lol, the Lame setting just destroys any map with a high poly count Tongue


Well, my maps have a very few polygons, I barely use anything else than primitives and I tend to be ACAP (As Compact As Possible). That's why my maps suck. Cheesy

Pyramid quote ftw.


Well then yeah. using the Lame setting is prolly best...as it saves space and takes less time to rebuild (Dunno if anyone noticed that)

Infact....every time i rebuild, the file size of the map changes....it's weird lol
  

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Krull0r
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Re: Best BSP setting
Reply #13 - Apr 21st, 2009 at 4:43pm
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Hi there


In my opinion it is not possible to find an all round BSP setting for every map..
Every Map has different properties and a different poly architecture.

I have to fight against very much BSP holes in DmRetrospective.. I tryed so much settings... but the result is one BSP hole has been killed two other comes.. or...  a very huge BSP hole destroy the whole map Cheesy lol

Greetz Krull0r
  

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[Ŕ] ŤhěxĐŕkśđěŕ
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Re: Best BSP setting
Reply #14 - Apr 21st, 2009 at 10:56pm
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Hmm weird I tried using different settings on the map I'm working on atm and it doesn't seem to make any difference (the map is very small so far).

BTW, why do you think they split Dasa into DasaPass and DasaCellars? I think too much BSP errors. Tongue
  

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