| Time |
Nick |
Message |
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| 15:11 |
Swift110-mobile |
https://u.pcloud.link/publink/show?code=XZlpxAXZkSHGKsq6v30QaTLssWN8lLGWKPf7 |
| 15:11 |
Swift110-mobile |
This is a podcast about minetest |
| 15:11 |
Swift110-mobile |
Thus far it's pretty good |
| 15:22 |
MTDiscord |
<Jonathon> ...it was already posted 2 days ago |
| 15:45 |
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sfan5 |
if someone found it independently and thought to post it here that must mean it's good :) |
| 16:02 |
celeron55 |
i listened that one last night, can't say it was bad |
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| 22:05 |
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| 22:16 |
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| 22:19 |
erlehmann |
can someone here look over this and tell me if it is an engine bug maybe? https://git.minetest.land/Mineclonia/Mineclonia/pulls/147 |
| 22:20 |
erlehmann |
i mean, i'd argue that the engine sending packets for properties that have not changed, is a bug |
| 22:20 |
erlehmann |
but the values for some player properties seem to be adjusted in some way |
| 22:20 |
MTDiscord |
<Jonathon> oh great, not this again |
| 22:20 |
erlehmann |
according to cora |
| 22:20 |
erlehmann |
Jonathon wdym |
| 22:21 |
erlehmann |
mineclonia sends a lot TOCLIENT_ACTIVE_OBJECT_MESSAGE for bones, the culprit is playerplus |
| 22:22 |
erlehmann |
but when you want to set a bone position for the player and then read it, it may not compare equal to the position you set it to |
| 22:22 |
erlehmann |
which is a bit weird |
| 22:23 |
erlehmann |
Jonathon since you wrote “not this again”, do you have experience with the engine returning a different value for a property than the one you just set? |
| 22:23 |
MTDiscord |
<Jonathon> >i mean, i'd argue that the engine sending packets for properties that have not changed, is a bug this arguement, yet again |
| 22:24 |
erlehmann |
oh no, that's not what i want to discuss |
| 22:24 |
erlehmann |
i want to know if it is an engie bug that you can set a bone position for the player and then read it and it may not compare equal to the position you set it to |
| 22:24 |
erlehmann |
engine bug |
| 22:25 |
erlehmann |
because as i understand floating point this is not supposed to happen |
| 22:25 |
erlehmann |
sfan5 is there any reason why i can't post in #minetest-dev and has it anything to do with you insulting me? (“fucker”, “bugger off”) etc. |
| 22:26 |
erlehmann |
afaaik i am not on a ban list or so |
| 22:27 |
erlehmann |
i mean if you don't want me to post there you can just say it |
| 22:27 |
erlehmann |
i can ask here anyway |
| 22:27 |
erlehmann |
was it set to voiced only maybe? |
| 22:31 |
erlehmann |
Jonathon just to be clear, you know nothing about problems with the engine handling floating point? i am asking bc of https://github.com/minetest/minetest/issues/11810 too |
| 22:32 |
erlehmann |
where first i noticed that GCC just fails at floating poing on x86 and then neoh4x0r claimed that the test data is actually incorrect |
| 22:42 |
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| 23:00 |
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| 23:23 |
sfan5 |
erlehmann: I told you to stop wasting my time and figured this would be the quickest way to ensure that |
| 23:23 |
sfan5 |
as for set_bone_position are you sure the engine even stores those values server-side? |
| 23:24 |
sfan5 |
though if get_bone_position exists it must do so |
| 23:24 |
erlehmann |
sfan5 you do realize that most of my interactions are something else than going on your nerves? it's just that between us two particular – two very abrasive characters – it's not going very well. |
| 23:24 |
erlehmann |
yes it is stored server side |
| 23:24 |
erlehmann |
well i can keep asking engine and dev questions here if you want me to |
| 23:25 |
erlehmann |
sfan5, yes it is stored server side and there seem to be problems with idling in a single node world with playerplus leading to lots of packets for nothing |
| 23:25 |
erlehmann |
and i wonder whose fault it is |
| 23:26 |
erlehmann |
after the recent float surprise in GCC and the assertion of neoh4x0r that the test data may be wrong, literally nothing here would surprise me |
| 23:26 |
sfan5 |
did you compare the values it returns? |
| 23:27 |
erlehmann |
cora did that, they compare non-equal and thus she made set_properties_conditional which compares the values using a function close_enough that rounds them to 2 decimal places before comparing https://git.minetest.land/Mineclonia/Mineclonia/pulls/147/files |
| 23:28 |
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| 23:30 |
erlehmann |
sfan5 do you know any similar bugs maybe? |
| 23:30 |
sfan5 |
no |
| 23:31 |
erlehmann |
so about the float test, any idea why the write and read stuff have different values? |
| 23:31 |
sfan5 |
I would have to look at the code for that |
| 23:32 |
erlehmann |
btw, that i opened >50% of the most recent bugs on minetest is not meant as spam. this stuff happens when i interact with software. |
| 23:32 |
erlehmann |
i'd argue it happens when everyone interacts with it, but other ppl do not open bugs |
| 23:33 |
erlehmann |
so whenever i have 2 or 3 days of making between 5 and 10 bug reports a day, i am just trying out a new minetest version |
| 23:35 |
sfan5 |
most people do in fact not care that putting in obviously invalid input makes the game freeze or run out of memory |
| 23:35 |
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| 23:36 |
sfan5 |
nor do they try that, except by accident |
| 23:52 |
erlehmann |
sfan5 not only am i not like most people, on oysterity we deal with the most vile scum of player that is there |
| 23:52 |
erlehmann |
sfan5 by not banning such ppl we get more knowledge about their methods from server logs |
| 23:52 |
sfan5 |
yes I know you face such issues |
| 23:52 |
sfan5 |
just saying most don't |
| 23:53 |
erlehmann |
well my boyfriend is similar too, whenever we play minetest together we find funny shit |
| 23:53 |
erlehmann |
i think the thing is that most users encounter this stuff by accident |
| 23:53 |
erlehmann |
and then don't report it |
| 23:54 |
erlehmann |
but that doesn't mean they don't run into it |
| 23:54 |
erlehmann |
it just doesn't register as it does with ppl who then start breaking the game on purpose |
| 23:54 |
erlehmann |
and tbh i want to find stuff before other ppl do it |
| 23:56 |
erlehmann |
all the UB and integer overflow things i say i do say bc i want minetest to stand in the face of adversity |
| 23:56 |
erlehmann |
like right now a motivated attacker could shut down the majority of minetest servers just by joining and dropping out of the world |
| 23:57 |
erlehmann |
i think that's not a good place to be in and thus the entire category of coordinate handling bugs has to be fixed |
| 23:57 |
erlehmann |
and *that* is why i am so vocal about single workarounds being wrong, bc if you do it wrong, the bugs just keep coming |
