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| 14:39 |
Corey[m] |
Hello, could someone point me to an example use of AreaStore, and what exactly is it for (I was looking through the lua_api.txt and saw it) |
| 14:42 |
est31 |
Corey[m]: https://dev.minetest.net/AreaStore |
| 14:42 |
est31 |
if the r* tree library is used, the AreaStore is implemented in a fast way |
| 14:42 |
est31 |
allowing for faster protection checks |
| 14:43 |
est31 |
I added it way back in 2015 |
| 14:44 |
Corey[m] |
est31: based on how it's framed, I don't have to use it only for protection, could be used for other things, just nothing off the top of my head |
| 14:44 |
Corey[m] |
Thanks for the link |
| 14:44 |
est31 |
I originally added it because server owners complained that the protection was a bottleneck |
| 14:45 |
Corey[m] |
I assume they had to specify a table of individual node positions previously? |
| 14:47 |
est31 |
previously it was stored in a lua array and at each node place, each node removal, all areas on the server were checked |
| 14:47 |
est31 |
even ones thousands of nodes away |
| 14:48 |
est31 |
the solution to this is spatial partitioning, e.g. r* trees. |
| 14:49 |
est31 |
so I took a library and integrated it to minetest, exposed it as an API and added a fallback (old behaviour) if the library is not compiledi n |
| 14:49 |
est31 |
ShadowNinja then later extended it |
| 14:53 |
Corey[m] |
Thanks again for the information |
| 14:55 |
Corey[m] |
I have one other query, does minetest have a byte buffer of some sort, I'd like to save some data from my mod in a binary format to disk, I've already written my own bytebuf, but I wondered if I overlooked something |
| 14:55 |
Corey[m] |
Oh to add to that, does minetest provide access to it's sqlite backend, say I want to use sqlite from minetest to store data as well? |
| 14:56 |
sfan5 |
it doesn't |
| 15:01 |
Corey[m] |
sfan5: Would it be possible to add it, or is it too far out of the way? |
| 15:03 |
sfan5 |
unlikely to be added |
| 15:03 |
sfan5 |
there are already lua libraries for sqlite3 usage |
| 15:07 |
Corey[m] |
True, true, I'm not too familiar with the lua eco system, I'll look around, but wouldn't that cause a few issues with portability though, having to package the additional libraries, worst if they're binary extensions |
| 15:09 |
sfan5 |
yes there are portability issues |
| 15:09 |
sfan5 |
but it's not like including lsqlite3 with MT would have less issues |
| 15:13 |
Corey[m] |
True, but I suggested a simple binary buffer/encoder/decoder before that |
| 15:13 |
Corey[m] |
Then again string.pack might exist |
| 15:16 |
Corey[m] |
I just checked, string.pack doesn't exist in my copy at least |
| 15:23 |
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| 16:02 |
codic |
https://codeberg.org/gsbhasin84/Materiav2 |
| 16:02 |
codic |
New linux theme by me |
| 16:02 |
codic |
(Probably offtopic) |
| 16:03 |
codic |
Suggestions are welcome |
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| 18:37 |
MinetestBot |
[git] ClobberXD -> minetest/minetest: Revert Client::sendPlayerPos optimization (part of 81c7f0a) (#9025) b49dfa9 https://git.io/JeWly (2019-10-08T18:36:56Z) |
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| 21:32 |
creaper123[m] |
cool |
| 21:34 |
codic |
It's coe |
| 21:34 |
codic |
cde |
| 21:34 |
codic |
code |
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