| --- Log opened Sun Jan 06 00:00:08 2013 |
| 00:09 | < mac> | can someone explain to me how a void function could store something in a reference parameter variable? |
| 00:10 | <&McMartin> | Which language? |
| 00:11 | < mac> | c++ |
| 00:11 | <&McMartin> | So, you have, like |
| 00:11 | < mac> | I'm confused as all hell because i could have sworn there is no way to send anything from a function that is void |
| 00:11 | <&McMartin> | Incorrect |
| 00:11 | <&McMartin> | If it is void that just means there's no *return* value, so you can't use it as an expression |
| 00:12 | <&McMartin> | void foo(int &a) { a = 3; } |
| 00:12 | <&McMartin> | That sets its integer variable parameter to 3 |
| 00:12 | <&McMartin> | That's what pass by reference means |
| 00:12 | < mac> | ok that makes more sence |
| 00:12 | <&McMartin> | But you do that with, say |
| 00:12 | <&McMartin> | int x; |
| 00:12 | <&McMartin> | foo(x); |
| 00:12 | <&McMartin> | Now x is 3 |
| 00:13 | <&McMartin> | You can't go x = foo(2); |
| 00:13 | < mac> | getJudgeData(string j,double &); i would need something to be after the & sign right? |
| 00:14 | < mac> | my bad void getJudgeData(string j,double &); |
| 00:15 | | thalass [thalass@Nightstar-724ec5eb.bigpond.net.au] has joined #code |
| 00:15 | <@rms> | Note you can do the same with pointers. References are just sugar around pointers. |
| 00:18 | | * Vornicus pokes at Vorntiers for the first time in far too long. |
| 00:19 | <~Vornicus> | Okay. I was working on save/load. Still. |
| 00:27 | <@simon`> | whenever I look at my BSc project page count and think it looks insufficient, I think of G?del's thesis and its 29 pages. |
| 00:29 | <~Vornicus> | that's a good one, yes. |
| 00:35 | <@froztbyte> | simon`: it makes me sad that my math muscle is too meh right now to even read G?del's paper without spawning hundreds of tabs to catch up :/ |
| 01:02 | | thalass [thalass@Nightstar-724ec5eb.bigpond.net.au] has quit [Ping timeout: 121 seconds] |
| 02:01 | <~Vornicus> | DISTRACTION |
| 02:03 | | * Derakon looks up to mac's question earlier. |
| 02:03 | <&Derakon> | Yes, you would need something after the &. Specifically, a variable name. |
| 02:03 | <&Derakon> | "int &foo" or "double &foo" or the like. |
| 02:03 | <&Derakon> | The & just marks the variable as being a reference. |
| 02:03 | <&Derakon> | Which broadly speaking means that the function is not responsible for creating or destroying the variable. |
| 02:03 | <&McMartin> | (variable names are optional in prototypes, but not in definitions.) |
| 02:04 | <&Derakon> | I generally feel that omitting them from prototypes is bad form. |
| 02:04 | <&McMartin> | Well, the key piece here is assigning through it. |
| 02:04 | <&McMartin> | Which appears to be the goal. |
| 02:04 | <&Derakon> | Yes. |
| 02:04 | <&McMartin> | Upir |
| 02:04 | <@rms> | He's inconsitant anyways |
| 02:04 | <@rms> | He names the string, but not the double. |
| 02:04 | <&McMartin> | Your "broadly speaking" applies more to const references than references proper |
| 02:05 | <&McMartin> | pass-by-reference is usually more about dataflow, not saving yourself some copy constructor calls. |
| 02:05 | <&Derakon> | I guess that was a bad way of explaining it. |
| 02:05 | <&Derakon> | "Like a pointer, except you don't have to dereference it" is the way I learned it. |
| 02:07 | <&McMartin> | Admittedly, I'm old-fashioned and learned pass-by-reference in a language that didn't officially *have* pointers. |
| 02:07 | <&McMartin> | ... or objects |
| 02:09 | <~Vornicus> | ehich language is this? |
| 02:09 | <&Derakon> | Logo~! |
| 02:10 | <&McMartin> | Pascal, actually. |
| 02:10 | <&McMartin> | It turns out the extension we were using had both of those things, one immediately, the other eventually |
| 02:11 | <&McMartin> | We were using Borland Turbo Pascal 5.5 |
| 02:11 | <&McMartin> | And while it technically has actual pointers they are stupendously clunky to actually use. |
| 02:27 | <@gnolam> | I interpreted Dera's "broadly speaking" as an explanation for the "won't be null unless the caller really makes an effort to fuck things up" idiom. |
| 02:31 | <&Derakon> | Right. The caller is responsible for creating the variable; it then just exists in the function exactly as it existed in the caller's scope. |
| 02:37 | <~Vornicus> | Yay, proper new game generation working! |
| 02:37 | <&Derakon> | I forget, are you working on Galactic Vorntiers? |
| 02:37 | <~Vornicus> | I am indeed. |
| 02:38 | <~Vornicus> | load and save have eluded me so far not least because I get so damn distracted |
| 02:38 | <&Derakon> | Heh. |
| 02:38 | <&Derakon> | Pyrel still doesn't have them yet. |
| 02:39 | <~Vornicus> | Okay, next up is save. |
| 02:45 | <~Vornicus> | Okay, stories of job application victory: Vash is sitting next to me applying to various 7-11s in town. 7-11, unlike many chains, doesn't let you apply for jobs in many places at once (as some do, but that can be annoying because there's these things called "hours of availability" that can easily change depending on the location of the store); however, when you attempt to apply for the second |
| 02:45 | <~Vornicus> | and subsequent jobs, everything you put into the application the previous time is still there, right down to the "I agree to drug testing" check box. |
| 02:45 | <@gnolam> | Drug testing. For 7-11. |
| 02:45 | <@gnolam> | WTF? |
| 02:46 | <~Vornicus> | fuckin' everything requires a drug test in the US. |
| 02:47 | | syksleep is now known as Syk |
| 02:49 | <~Vornicus> | (vash wonders why I put this in code. I put it in code because it says "these developers actually thought about the interface") |
| 03:09 | | * Derakon watches an Amiga demoscene project. |
| 03:09 | <&Derakon> | It's interesting how many of the...exhibits, I guess, are about 3D rendering. |
| 03:09 | <&Derakon> | I guess that was the big challenge in those days. |
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| 03:28 | <@gnolam> | "Why precalculate 1296 dots when you can do it in realtime?" |
| 03:30 | <@gnolam> | (followed by "Did you know that it would take up over 2 megs to do this if it was precalculated?") |
| 03:32 | <&Derakon> | Heh. |
| 03:34 | <@gnolam> | Man, I remember how impressed I was by the bouncy transparent 3d stuff in "Human Target" back in the day: https://www.youtube.com/watch?v=pi0mI8CvC7Y#t=0m38s , https://www.youtube.com/watch?v=pi0mI8CvC7Y#t=1m48s |
| 03:34 | <&Derakon> | What's the target system for that demo? |
| 03:34 | <@gnolam> | A500 |
| 03:35 | <&Derakon> | The one I was talking about was Hardwired, also an Amiga though I don't know which model. |
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| 03:35 | <&Derakon> | Fun fact: the creators of that demo then applied their skills to making a game for the Sega Genesis...without having access to a devkit. |
| 03:35 | <@gnolam> | If it's from the early '90s, then Amiga 500. |
| 03:35 | <&Derakon> | Yeah, '91. |
| 03:35 | <@gnolam> | (Or late '80s. But really, the early '90s were the glory days.) |
| 03:36 | <@gnolam> | Derakon: ! |
| 03:37 | <@gnolam> | Jesper Kyd! |
| 03:37 | <&Derakon> | I take it that name has especial relevance for you? |
| 03:38 | <@gnolam> | Derakon: https://en.wikipedia.org/wiki/Jesper_kyd#Games |
| 03:38 | <&Derakon> | ...holy crap. |
| 03:38 | <&Derakon> | And yeah, I was talking about Sub-Terrania. |
| 03:38 | <&Derakon> | Which is balls hard but awesome. |
| 03:43 | <@gnolam> | Moving on from the demoscene to game making isn't uncommon, but still. :) |
| 03:43 | <&Derakon> | Sub-Terrania is notable for having several bits that look like they came straight from the demoscene. |
| 03:44 | <&Derakon> | E.g. the SEGA splash screen has bouncing pixels, and there's 3D-rendered cutscenes. |
| 03:45 | | * gnolam should go through his Amiga disks some day. |
| 03:45 | <@gnolam> | Most of all, I should probably go to bed though. |
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| 06:05 | < lklkj> | hello world |
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| 09:13 | | You're now known as TheWatcher |
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| 10:34 | | You're now known as TheWatcher[afk] |
| 11:21 | <&McMartin> | Oof |
| 11:21 | | * McMartin took a little nap at 6 PM which appears to have lasted until 3 AM. |
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| 12:18 | <@froztbyte> | haha |
| 12:18 | <@froztbyte> | nice |
| 13:00 | | * McMartin also eyes his teakettle, which has been making sounds rather alarmingly reminiscent of Within A Deep Forest's Yoga Ball. |
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| 17:26 | < ToxicFrog> | Oh god, if I make these edits the abstract won't fit on a single page anymore |
| 17:26 | < ToxicFrog> | nooooooooooo |
| 17:47 | <@TheWatcher> | >.< |
| 17:47 | <@Azash> | Dangit |
| 17:47 | | Derakon is now known as Derakon[AFK] |
| 18:25 | <@RStamer> | http://pagead2.googlesyndication.com/simgad/1075635581565983609 <-- This looks familiar for an MMO's adverts... |
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| 19:09 | <@Rhamphoryncus> | RStamer: looks pretty horrible |
| 19:10 | <@RStamer> | The game? |
| 19:20 | | Kindamoody is now known as Kindamoody[zZz] |
| 19:33 | <@Rhamphoryncus> | The art |
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| 19:55 | <@gnolam> | "Play Now, My Captain!" |
| 19:55 | <@gnolam> | "Help! Save the Vulcans!" |
| 19:56 | < Dainna_Cole> | ah, Ebooby |
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| --- Log closed Mon Jan 07 00:00:23 2013 |