Just couldn't help but notice the warning on the message's subject. Think it will keep some people from opening the E-Mail? :) ----- Original Message ----- From: "Tim Holt" <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]> Sent: Tuesday, April 16, 2002 4:58 PM Subject: Re: [hlcoders] HLVIS (Warning, technical details and code)
> -- > [ Picked text/plain from multipart/alternative ] > Maybe if you incorporate mapster protocols in there too it will help? :^D > > http://countermap.counter-strike.net/Mapster > > > Chris Blane wrote: > > >Had a feeling I might start seeing this topic crop up on the list Zipster. > >:) Still no luck with that last bug eh? > > > >:Tal-N > >----- Original Message ----- > >From: Skyler York <[EMAIL PROTECTED]> > >To: <[EMAIL PROTECTED]> > >Sent: Tuesday, April 16, 2002 7:56 AM > >Subject: [hlcoders] HLVIS (Warning, technical details and code) > > > > > >>[ Converted text/html to text/plain ] > >>I've been working on a few new features for HLVIS, and I have been making > >> > >good > > > >>progess. One of the features is a new maximum VIS option. In addition to > >>being able to compile the map the first time around with this new feature, > >> > >you > > > >>can chose to run a MaxDistVis on an already compiled map. > >> > >>This is my problem. If you run a MaxDistVis during the initial compile, > >> > >the > > > >>the code flags the correct leafs to be invisible: > >> > >>------------------------------------------------ > >>// i = leafnum of first leaf, j = leafnum of second leaf > >>offset_l = i >> 3; > >>bit_l = (1 << (i & 7)); > >>offset_tl = j >> 3; > >>bit_tl = (1 << (j & 7)); > >> > >>for(k = 0; k < l->numportals; k++) > >>{ > >> for(m = 0; m < tl->numportals; m++) > >> { > >> l->portals[k]->mightsee[offset_tl] &= ~bit_tl; > >> tl->portals[m]->mightsee[offset_l] &= ~bit_l; > >> } > >> } > >> > >>---------------------------------------------- > >>It basically eliminates leafs before they are even fully VISed. > >> > >>However, if you run a MaxDistVis on an already compiled map, for the most > >>part, the leafs rendered in game are correct, except for a few oddball > >> > >leafs > > > >>that aren't "unset" in the code for some unknown reason. The detection is > >> > >the > > > >>same, but it doesn't unset them. What I have to do first is decompress > >> > >all > > > >>the vis information: > >>------------------------------------------------- > >>void DecompressAll(void) > >>{ > >> int i; > >> byte *dest; > >> for(i = 0; i < g_portalleafs; i++) > >> { > >> dest = g_uncompressed + i * g_bitbytes; > >> DecompressVis((const unsigned char*)(g_dvisdata + > >> > >(byte)g_dleafs[i + > > > >>1].visofs), dest, g_bitbytes); > >> } > >>} > >>------------------------------------------------ > >> > >>I use this code to "unset" leafs: > >>----------------------------------------------- > >>// i = leafnum of first leaf, j = leafnum of second leaf > >>byte* base_vis_l = g_uncompressed + i * g_bitbytes; > >>byte* base_vis_tl = g_uncompressed + j * g_bitbytes; > >>offset_l = i >> 3; > >>bit_l = (1 << (i & 7)); > >>offset_tl = j >> 3; > >>bit_tl = (1 << (j & 7)); > >>base_vis_l[offset_tl] &= ~bit_tl; > >>base_vis_tl[offset_l] &= ~bit_l; > >> > >>------------------------------------------------ > >> > >>...and this code to recompress the vis info: > >>------------------------------------------------ > >>void CompressAll(void) > >>{ > >> int i, x = 0; > >> byte *dest; > >> byte *src; > >> byte compressed[MAX_MAP_LEAFS / 8]; > >> vismap_p = vismap; > >> > >> for(i = 0; i < g_portalleafs; i++) > >> { > >> memset(&compressed, 0, sizeof(compressed)); > >> src = g_uncompressed + i * g_bitbytes; > >> > >> // Compress all leafs into global compression buffer > >> x = CompressVis(src, g_bitbytes, compressed, sizeof(compressed)); > >> dest = vismap_p; > >> vismap_p += x; > >> if (vismap_p > vismap_end) > >> { > >> Error("Vismap expansion overflow"); > >> } > >> > >> g_dleafs[i + 1].visofs = dest - vismap; // leaf 0 is a > >>common solid > >> memcpy(dest, compressed, x); > >> } > >>} > >>-------------------------------------------------- > >> > >>It works at around a 90% - 95% success rate, but those oddball leafs annoy > >> > >me. > > > >>Before I forget, here are some pics of what I mean. > >> > >>This is the map compiled normally: > >>http://144.132.16.252/zipster/[2]mdv0.jpg > >> > >>This is the map compiled the first time around with a max distance of 128: > >>http://144.132.16.252/zipster/[4]mdv1.jpg > >> > >>And here is a picture of the original map being MaxDistVis'd after a > >> > >regular > > > >>compile (w/ 128 limit): > >>http://144.132.16.252/zipster/[6]mdv2.jpg > >> > >>As you can see, that blasted leaf in the distance is screwing me over! I > >>don't know how many of you know much about HLVIS procedures, but I hope > >> > >I've > > > >>given you enough information. I would go into more detail, but there's > >> > >just > > > >>too much if you don't have an idea of what's happening. > >> > >>-------------------------------------------------------------------------- > >> > >---- > > > >>MSN Photos is the easiest way to share and print your photos: Click > >> > >Here[7] > > > >>===References:=== > >> 1. http://144.132.16.252/zipster/mdv0.jpg > >> 2. http://144.132.16.252/zipster/ > >> 3. http://144.132.16.252/zipster/mdv1.jpg > >> 4. http://144.132.16.252/zipster/ > >> 5. http://144.132.16.252/zipster/mdv2.jpg > >> 6. http://144.132.16.252/zipster/ > >> 7. http://g.msn.com/1HM505401/15 > >> > >>_______________________________________________ > >>To unsubscribe, edit your list preferences, or view the list archives, > >> > >please visit: > > > >>http://list.valvesoftware.com/mailman/listinfo/hlcoders > >> > >> > > > >_______________________________________________ > >To unsubscribe, edit your list preferences, or view the list archives, please visit: > >http://list.valvesoftware.com/mailman/listinfo/hlcoders > > > > -- > I think...I think it's in my basement. Let me go upstairs and check. -M.C. Escher > > > -- > > _______________________________________________ > To unsubscribe, edit your list preferences, or view the list archives, please visit: > http://list.valvesoftware.com/mailman/listinfo/hlcoders > > _______________________________________________ To unsubscribe, edit your list preferences, or view the list archives, please visit: http://list.valvesoftware.com/mailman/listinfo/hlcoders
![http://144.132.16.252/zipster/[2]mdv0.jpg](http://144.132.16.252/zipster/[2]mdv0.jpg){kind=link}
![http://144.132.16.252/zipster/[4]mdv1.jpg](http://144.132.16.252/zipster/[4]mdv1.jpg){kind=link}
![http://144.132.16.252/zipster/[6]mdv2.jpg](http://144.132.16.252/zipster/[6]mdv2.jpg){kind=link}
