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| 00:20.00 | *** topic/#bzflag is https://BZFlag.org || http://ohloh.net/p/bzflag || https://bzflag.org/help || Channel Logs: http://infobot.rikers.org/%23bzflag/ || 2.4.12 released! https://forums.bzflag.org/viewtopic.php?f=62&t=19720 |
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| 13:13.47 | BZnotify | [13bzflag-dependencies] 15blast007 pushed 2 new commits to 06master: 02https://git.io/vpmIc |
| 13:13.47 | BZnotify | 13bzflag-dependencies/06master 1448129b9 15Scott Wichser: Merge remote-tracking branch 'origin/2.4' |
| 13:13.47 | BZnotify | 13bzflag-dependencies/06master 14b5c7dc2 15Scott Wichser: Add libpng to the 2017 batch file. |
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| 19:50.38 | Zehra | I recently made one small little feature, which I think could be useful. |
| 19:51.28 | Zehra | Mostly relating to the hunting feature, so when I'm holding Seer, all tanks which are holding ST are highlighted. |
| 19:56.27 | Zehra | I based this idea on what Enigma suggested a while back: https://forums.bzflag.org/viewtopic.php?f=3&t=12408 |
| 21:29.01 | *** join/#bzflag mahem1 (63fbc5b1@gateway/web/freenode/ip.99.251.197.177) |
| 21:30.45 | mahem1 | Random Question: Can you change the max shots on a server without restarting it? Like through a plugin, perhaps? |
| 21:34.21 | blast007 | nope |
| 21:34.40 | blast007 | the max shots setting is only sent to the clients when they join |
| 21:48.41 | mahem1 | Though so. Thanks. |
| 23:10.08 | Delusional | Iâm looking at source for the WW-zones plugin and I see âpi = 3.14159265358979323846â . Of course, for me, irrational numbers lead to irrational assumptions. Why does the plugin have to define Ï? Is it not specified elsewhere? Could this be the root of the âfloating pointâ bug that wonât let me put a base on an arc or mesh? |
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| 23:26.19 | allejo | probably because it doesn't use _USE_MATH_DEFINES and therefore doesn't have M_PI |
| 23:28.44 | allejo | oh I stand corrected, that has since been changed |
| 23:29.23 | RoscoePColtrane | you are Delusional |
| 23:29.29 | RoscoePColtrane | not irrational |
| 23:30.50 | allejo | what are you referring to with "'floating point' bug" |
| 23:31.06 | Delusional | so the plugin does not _USE_MATH_DEFINES â¦. but the server does? |
| 23:35.03 | Delusional | the bug is that thing where you put a base on a mesh or arc, and you canât drive from one to the other⦠or even a mesh or arc and a regular box, youâll get stuck driving from one to the other, even though in the map file they should be on the same plae. |
| 23:35.07 | Delusional | plane |
| 23:35.52 | allejo | no. current 2.4 branch uses <cmath> so it has M_PI. plugins don't introduce actual objects to the world (in this context). the plugin just has a set of coordinates and checks if players are inside those coordinates |
| 23:36.27 | allejo | so that bug with meshes and bases wouldn't apply to wwzones or any other plugin that uses "zones" |
| 23:37.13 | Delusional | I had this thing where some players didnt get stuck, and others did⦠what i was told is⦠different computers can come up with slightly different positions of the same objects. |
| 23:37.22 | Delusional | I always wondered about that. |
| 23:38.27 | RoscoePColtrane | does the current VS compiler have M_PI without _USE_MATH_DEFINES? My most recent experience is 2015 |
| 23:38.29 | RoscoePColtrane | (it does not) |
| 23:41.27 | allejo | Delusional: https://www.reddit.com/r/explainlikeimfive/comments/1m502z/eli5_what_are_floating_point_numbers_and_what_is/cc5yoc1/ |
| 23:47.34 | Delusional | that explains why I was told not to use more than four decimal places in maps. Are the decimal places beyond four thrown out? |
| 23:48.07 | Delusional | And do all twenty decimal places of the defined pi get used? |
| 23:48.56 | Delusional | another assumption: if the plugin did USE_MATH_DEFINES, it would use a lot more memory, and since it only needs one MATH defined, that was the reason it is not used. |
| 23:49.40 | RoscoePColtrane | a 32-bit float has approximately 6.7 significant digits of precision |
| 23:49.53 | RoscoePColtrane | a 64-bit double has about 15.6 digits |
| 23:50.17 | RoscoePColtrane | on modern hardware, no reason not to use double all the time (can actually be faster) |
| 23:50.38 | RoscoePColtrane | but one single float conversion will screw your precision |
| 23:51.39 | RoscoePColtrane | so unless the platform has a long double, no, 20 decimal places will not all be used |
| 23:52.05 | RoscoePColtrane | or more precisely, the representation will not be accurate to 20 significant digits |