| --- Log opened Fri Dec 30 00:00:15 2011 |
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| 12:33 | < Rhamphoryncus> | Heh. My form of minecraft, if it had the same visible range and map height, would have just under a billion blocks. |
| 12:35 | < sshine> | your form of minecraft? |
| 12:35 | < Rhamphoryncus> | "if I were to write a minecraft clone" ;) |
| 12:40 | < Rhamphoryncus> | Most of those blocks I could reduce through LoD, but the bigger problem is the area immediately around the player when they move. A spot equivalent to a chunk would involve 2 million blocks and in a minecart you can traverse 1 chunk every 2 seconds. If each block took a byte that'd put your HD read speed at 1 megabyte/second minimum |
| 12:43 | | himi [fow035@Nightstar-5d05bada.internode.on.net] has joined #code |
| 12:47 | < sshine> | something tells me Minecraft leaves room for algorithmic improvement. |
| 12:49 | < Rhamphoryncus> | It does, although it's inherently a hard problem. Full view distance means ~14 million visible blocks. Of course there's some substantial optimizations that are applied, like only rendering forward, skipping empty areas, only rendering exposed surfaces facing the user |
| 12:53 | < Rhamphoryncus> | But my approach would reduce the block size, cutting it into 4 in each dimension, boosting that by 64x. |
| 13:24 | < gnolam> | Rhamphoryncus: 1 MB/s? Any HD should be able to keep up with that. |
| 13:25 | < Rhamphoryncus> | gnolam: Needs more emphasis on "minimum" ;) |
| 13:27 | < Rhamphoryncus> | That's with just one full chunk loaded every 2 seconds. The worst case is more like 5 chunks |
| 13:27 | < Rhamphoryncus> | And if you expect entities to move properly within a larger distance it's even more |
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| 14:33 | < ErikMesoy> | I've inherited some primitive code to polish which has instructions of the form "#GOTO:STUFF:8" and "#GOTO:FOO:9" and "#GOTO:NAME:6". I want to replace all the digits in such instructions with 2. Is there a reasonable way to do this with search-and-replace (say in Notepad++) without having two problems? ;) |
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| 15:05 | < Stalker> | Write a small shell script? |
| 15:06 | < ErikMesoy> | How does this compare to using regular expressions? |
| 15:06 | < ErikMesoy> | I can't tell after hearing so many "replace with a very small shell script jokes how good shell scripting actually is for specific purposes. |
| 15:09 | < Stalker> | Write a shell script using regular expressions? |
| 15:10 | < ErikMesoy> | What. |
| 15:10 | < Stalker> | :) |
| 15:10 | < Stalker> | No clue. |
| 15:10 | | * ErikMesoy settles in to practice regular expressions. |
| 15:10 | < Stalker> | I'd do it in mIRC because it's easy and already open. |
| 15:11 | < Stalker> | It also supports regex if you really want to. |
| 15:12 | < Stalker> | How do you have this text? |
| 15:12 | < ErikMesoy> | In a .txt file. |
| 15:14 | | * ErikMesoy wrestles with regexes, finds a way to find all the lines he want, works on replacing only the subsection he wants. |
| 15:15 | < ErikMesoy> | Isn't it supposed to be something like \1\2 to leave some found parts unchanged? |
| 15:22 | | * ErikMesoy finds that the regular expressions given on the N++ Sourceforge page don't work. >_< |
| 15:25 | < Stalker> | Are all the numbers single digit? |
| 15:26 | < ErikMesoy> | Yes. |
| 15:26 | < Stalker> | What client are you currently using? |
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| 15:28 | < ErikMesoy> | Never mind, I think I have it in Notepad++. |
| 15:30 | < Stalker> | k. |
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| 16:17 | < ErikMesoy> | Regexing complete! :D |
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| 16:49 | < Rhamphoryncus> | Damn, how did I manage to miss OLED screens hitting the market in the last few years?! |
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| 18:55 | < gnolam> | http://countercomplex.blogspot.com/2011/12/ibniz-hardcore-audiovisual-virtual.ht ml |
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| 19:05 | < Rhamphoryncus> | "Left turns are one of the leading causes of crashes." Clearly we should ban left turns ;) |
| 19:06 | < iospace> | my mom always goes "LEFT TURNS ARE DANGEROUS", or well did until me and my bro gave her never ending shit about that line |
| 19:08 | < ErikMesoy> | Rhamphoryncus: some designers are working on building left-turn-less road layouts |
| 19:09 | < ErikMesoy> | This would make for safer cities |
| 19:09 | < Rhamphoryncus> | heh |
| 19:09 | < Rhamphoryncus> | and oddly faster transportation, with less fuel and less emissions |
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| 19:33 | < Rhamphoryncus> | "In the event of total brake failure, your owner's manual should describe the proper procedure for downshifting and using your park brake to bring your vehicle to a safe and controlled stop." |
| 19:33 | < Rhamphoryncus> | There's something wrong with that |
| 19:37 | <~Vornicus> (actually, the one-way-street system of many places, like New York, eliminates "left turns" - well, really it eliminates turns that cross traffic, which is what it's really about) |
| 19:41 | < Rhamphoryncus> | hmm interesting |
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| 19:45 | <~Vornicus> (because turning left, in itself, is fine; it's that there's cars coming down the other way that's the problem.) |
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| 22:27 | <~Vornicus> SO yeah, as typical in a knuth text, concrete mathematics brings out the mind melting early |
| 22:27 | < McMartin> | It's like the ark of the covenant |
| 22:27 | <~Vornicus> FIrst "homework" problem: solve the recurrence f(n) = (1 + f(n-1))/f(n-2) |
| 22:35 | < celticminstrel> | Is it at least solvable? |
| 22:36 | <~Vornicus> Yeah. |
| 22:37 | <~Vornicus> And when you hit f(5) (starting with f(0) = a and f(1) = b), there is considerable wtf to be had. |
| 22:39 | <~Vornicus> Have a go, it's very, very surprising. |
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| --- Log closed Sat Dec 31 00:00:32 2011 |