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#openttd IRC Logs for 2022-01-05

---Logopened Wed Jan 05 00:00:15 2022
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03:27<@peter1138>Well
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05:20<TrueBrain>"For earlier versions of TTDPatch the variable .."
05:20<TrueBrain>I love the vague reference :D
05:27<TrueBrain>hmm ... are temp registers of a procedure local to the procedure, or local to the original varaction?
05:28<TrueBrain>reading by the text, I assume the first ..
05:36<TrueBrain>no, there is only 1 _temp_store .. okay
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05:53<TrueBrain>what makes NML really hard to read for me, is that the keywords provided by NML is a HUGE list .. so often I am confused when reading NML: is this thing locally defined, or defined by NML
05:53<TrueBrain>some namespacing would really have helped
05:58<@DorpsGek>[OpenTTD/OpenTTD] J0anJosep opened pull request #9780: Codechange: Make RoadScopeResolver constructor inlineable. https://git.io/JSSI3
06:00<TrueBrain>andythenorth: am I right in that "num_supplies_delivered" in FIRS primary industries is currently "write-only"? (as in, it isn't actually used anywhere?)
06:01<TrueBrain>well, except for the 28th entry (num_supplies_delivered_27)
06:01<TrueBrain>ah, no, nevermind
06:01<andythenorth>it should be read somewhere
06:01<andythenorth>it's shuffled every 256 ticks
06:01<TrueBrain>yeah, found it ..
06:02<TrueBrain>NML is not the friendliest to read :P
06:02<TrueBrain>basically, the boost is calculated based on the last 27 deliveries
06:03<andythenorth>yes
06:03<TrueBrain>cool, tnx
06:05<TrueBrain>I guess that makes boosting a bit more relaxed, you only have to deliver 4 times a year or so
06:05<@DorpsGek>[OpenTTD/OpenTTD] LordAro approved pull request #9780: Codechange: Make RoadScopeResolver constructor inlineable. https://git.io/JSSIg
06:06<TrueBrain>now approve my backport PR! :P
06:13<TrueBrain>andythenorth: the tooltip of secondary industries say that you get a boost if you deliver all 3 cargoes (for example), but is this really true?
06:13<andythenorth>yes
06:13<TrueBrain>as in, the code reads as if the accepting cargoes are just adding to what is being produced?
06:13<andythenorth>not in all cases, it's industry specific
06:13<TrueBrain>ah
06:13<andythenorth>amounts produced are multiplied by a fraction
06:13<andythenorth>it might be e.g 2/8 if one cargo delivered
06:14<andythenorth> 5/8 if 2 cargos delivered
06:14<andythenorth>8/8 if all 3 cargos delivered
06:14<andythenorth>(examples)
06:14<TrueBrain>ah, I see
06:14<andythenorth>there's also a split on the output, which is fractional, but that's totally unrelated to the input above
06:15<TrueBrain>so the current_production_ratio is additive of all inputs
06:15<TrueBrain>and used as multiplier to the individual
06:15<TrueBrain>so delivering only wheels to the car-maker is enough to make some cars, just slower :D
06:16<TrueBrain>rEaLiSm :P
06:16<TrueBrain>okay, and here too, if you delivered any in the last 3 months, it enables its fraction
06:16<TrueBrain>gotcha
06:16<TrueBrain>tnx :)
06:17<TrueBrain>I love how you seem to be using persistent storage for temporary values :D
06:17<TrueBrain>but that is fine :)
06:18<TrueBrain>and I guess closure_counter is never really implemented?
07:10<@DorpsGek>[OpenTTD/OpenTTD] LordAro approved pull request #9779: Backport master into release/12 https://git.io/JSStn
07:10<TrueBrain>\o/
07:10<@DorpsGek>[OpenTTD/OpenTTD] TrueBrain merged pull request #9779: Backport master into release/12 https://git.io/JSVNS
07:11<@DorpsGek>[OpenTTD/OpenTTD] LordAro approved pull request #9772: Fix missing icon https://git.io/JSStC
07:11<LordAro>you're quick
07:11<TrueBrain>trying to design a simple RPN-based language .. so I can use the distraction :P
07:17<@DorpsGek>[OpenTTD/OpenTTD] LordAro requested changes for pull request #9726: Fix: Prevents crash when no industries are present https://git.io/JSStz
07:18<@DorpsGek>[OpenTTD/OpenTTD] LordAro approved pull request #9769: Doc: Fix broken links in GitHub docs https://git.io/JSStV
07:23<@DorpsGek>[OpenTTD/OpenTTD] TrueBrain merged pull request #9769: Doc: Fix broken links in GitHub docs https://git.io/JyOdx
07:24<@DorpsGek>[OpenTTD/OpenTTD] TrueBrain merged pull request #9772: Fix missing icon https://git.io/Jygdh
07:24<TrueBrain>abusing admin powers, as rebasing those PRs is stupid
07:24<@DorpsGek>[OpenTTD/OpenTTD] LordAro requested changes for pull request #9770: Fix #9765: Incorrect Company Values https://git.io/JSStS
07:25<@DorpsGek>[OpenTTD/OpenTTD] LordAro merged pull request #9780: Codechange: Make RoadScopeResolver constructor inlineable. https://git.io/JSSI3
07:36<TrueBrain>$num_supplies_delivered[27] $num_supplies_delivered[27] %incoming_cargo_waiting[@i] + =
07:36<TrueBrain>collect all the prefixes?
07:37<LordAro>are you sure you're not writing perl?
07:37<TrueBrain>lol
07:39<LordAro>i think that could actually be valid perl, without the "+ =" on the end
07:39<TrueBrain>sadly I need some meta-language, as I am not sure NewGRF is turing complete :P
07:42<@DorpsGek>[OpenTTD/OpenTTD] LordAro commented on pull request #9739: Copy server invite code to the clipboard automatically https://git.io/JSSqE
07:42<LordAro>i'd be surprised if it wasn't
07:44<TrueBrain>looping is a bit of the issue
07:44<TrueBrain>you could do tail-recursion, I guess
07:44<@DorpsGek>[OpenTTD/OpenTTD] pelya commented on pull request #9739: Copy server invite code to the clipboard automatically https://git.io/JSSqa
07:46<TrueBrain>did anyone check how ^^ looks visually?
07:46<TrueBrain>code-wise it reads to me that it now has a button with the text "copy to clipboard"?
07:47<TrueBrain>I would expect something smaller, tbh :) Like a small icon or what-ever ;) But this text might be .. long, for the location it is at :)
07:47<TrueBrain>I might be wrong, there is no visual in the PR :P
07:49<@DorpsGek>[OpenTTD/OpenTTD] LordAro commented on pull request #9727: Feature #9059: Add buttons to toggle music in the Game Options menu. https://git.io/JSSqi
07:54<@DorpsGek>[OpenTTD/OpenTTD] LordAro commented on pull request #9642: Feature: Orientation of rail and road depots can be changed https://git.io/JSSqS
07:55<LordAro>TrueBrain: yeah, ideally a little icon
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07:57<TrueBrain>https://gist.github.com/TrueBrain/58a388d5e396bba3ae3ec721d3d5fca3 <- something like this is what a FIRS primary industry is, I think ..
07:57<TrueBrain>writing RPN is hard :P
07:57<TrueBrain>now the question is, can I actually parse this
07:57<TrueBrain>need to fix cargo labels for sure :)
07:59<LordAro>if you're not careful you'll invent nml2.0 :p
07:59<TrueBrain>I really hope not :P
08:00<TrueBrain>I am mostly balancing .. am I going to do something that is easy to parse
08:00<TrueBrain>or easy to write
08:23<TrueBrain>why is there an "again" in action2 industry cb ..
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09:57<TrueBrain>adding list support while remaining an RPN is hard :P Right, tons of updates, I think this might actually work :)
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09:59<supermop_Home>yo
10:03<TrueBrain>found a use-case for "again" .. to cap the stockpile. Which is funny, as there is no need, but knowing how to do it in one go in NML is .. non-trivial :)
10:03<TrueBrain>@calc 4096 / 3 * 256 / 74
10:03<@DorpsGek>TrueBrain: 4723.315315315315
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10:37<+glx>remember "again" is from NFO time
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11:38<frosch123>TrueBrain: i think andy stored some temporary values in persistent registers for debugging. the in-game inspect window shows persistent registers, so you can use them like printf-debugging
11:38<TrueBrain>So the comments told me, yes. Still funny :D
11:39<+glx>and temp registers are valid for current run only
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12:17<TrueBrain>meh; I can compile Javascript to an AST in Rust easily .. but there is too much things you can do in Javascript you really cannot in NewGRF :P
12:17<TrueBrain>so that would be a frustrating run for developers too
12:18<frosch123>yeah, not turing complete :)
12:18<TrueBrain>so I guess I should try to convert my RPN-language to NewGRF .. I think this could work
12:18<TrueBrain>at least it is more readable than NFO :P
12:19<frosch123>not sure about that :p
12:19<TrueBrain>at least you can use variable names instead of numbers ;)
12:20<TrueBrain>if you have better suggestions, I would love to hear them btw :)
12:20<TrueBrain>but .. it is tricky :)
12:21<frosch123>i only used RPN for terms, never for assignments or even function declarations
12:21<frosch123>so, no idea :)
12:21<TrueBrain>it is also not really meant for it :P
12:21<TrueBrain>but I just designed a stack-based language, which RPN is too
12:21<frosch123>i did not quite understood what your "global" namespace is
12:21<frosch123>but maybe not important :)
12:21<TrueBrain>persistent registers
12:21<TrueBrain>couldn't find a better name
12:22<frosch123>why are they global? they are part of the industry instance
12:22<TrueBrain>mostly as I hate writing the word persistent, I have to admit :)
12:22<frosch123>so i would expect "industry" namespace
12:22<TrueBrain>I guess
12:22<TrueBrain>felt equally weird
12:22<frosch123>&industry::memory 123 []
12:23<frosch123>&town::memory 123 []
12:23<TrueBrain>also considered calling it "static"
12:23<TrueBrain>well, "memory".. the idea is that you don't need to know the slot
12:23<TrueBrain>you just give it a name
12:23<TrueBrain>and the backend will assign it a slot
12:23<frosch123>"grf::params 12 []" are readonly though
12:23<TrueBrain>that is a bit the point .. not have to deal with numbers ;)
12:24<TrueBrain>so "industry:my_variable_name"
12:24<TrueBrain>guess "persistent:" would match NewGRF specs more
12:25<frosch123>"persistent" would be for indexed-access again, like "memory" above
12:25<TrueBrain>"persistent:my_variable_name"
12:25<TrueBrain>I don't see what you mean?
12:25<frosch123>the important part is the scope: industry, town, grf
12:25<TrueBrain>I can type it just fine :)
12:25<frosch123>"industry::my_variable_name" is different from "town::my_variable_name"
12:25<TrueBrain>that is true
12:25<frosch123>or "grf::my_variable_name"
12:26<TrueBrain>I see you write too much C++, with all those double : :P
12:26<frosch123>oh, i did not even notice you used single :
12:26<frosch123>already corrected that when reading
12:26<TrueBrain>:D
12:27<frosch123>there was some other thing that used single :, i hated it... was it xml?
12:27<TrueBrain>most things I know use a single : for scoping
12:27<TrueBrain>it is only C++ that was like: NAH, one isn't enough
12:27<TrueBrain>still no clue why they wanted two
12:28<frosch123>so it gets a different token than : in ?:
12:28<+glx>maybe because it's easier when use in ternary operator
12:28<frosch123>old c++ cared about tokens, then they allowed closing two < < with >>
12:28<TrueBrain>yeah .. I was about to make similar remarks :P
12:29<TrueBrain>at least it is not Perl, where you can make choices when parsing it :P
12:29<TrueBrain>but okay, in this RPN spaces define the tokens, so it becomes a bit easier .. no doubts about any of that stuff :)
12:30<TrueBrain>hmm, your remark does remind me that "openttd:" is also a bad scope
12:30<TrueBrain>as it can be industry or town too
12:31<frosch123>"openttd:" would be for vars 00-39 ?
12:32<TrueBrain>I didn't actually look at things in that much detail
12:32<TrueBrain>NML doesn't prefix it at all
12:32<TrueBrain>which was mostly what was frustrating me :D
12:32<frosch123>there is a TODO item for nml to add prefixes :)
12:32<TrueBrain>how many times I was like: this name ... who defines it? FIRS? No .. NML? No .. owh, wait, here in FIRS? No .. owh, here in NML? Ah, yes!
12:32<frosch123>currently NML has this PARENT/SELF thing in every switch, which makes combining them difficult
12:33<frosch123>TrueBrain: don't mistake NML with pyNML :p
12:33<TrueBrain>so I mainly wanted to make that a bit more obvious :)
12:33<TrueBrain>no, when I write FIRS I mean pyNML :P
12:33<TrueBrain> ${cargo[0]}: (${cargo[1]} * production_level * LOAD_PERM(${industry.perm_storage.base_prod_factor}) * LOAD_TEMP(9)) / (16 * 16 * 100);
12:34<TrueBrain>best example of how unclear it becomes
12:34<TrueBrain>${} is pyNML, production_level is NML, 9 is FIRS
12:34<TrueBrain>it is like .. yeah ... lets not do that plz :)
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12:40<TrueBrain>see, ideal I think https://gist.github.com/TrueBrain/0d8d7183c6eee45e5ac90bfa57777e29 works better
12:40<TrueBrain>I am just not sure I can parse it :D
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12:43<TrueBrain>I wonder how FIRS would look .. lets try
12:44<frosch123>s/min/max :p
12:47<TrueBrain>how to differentiate between "industry" variables (so "SELF") and "industry" persistent registers? Suggestions? :)
12:47<frosch123>industry::storage::your_name ?
12:48<frosch123>though i guess, if you also need names for temporaries... you would end up with industry:persistent:your_name again :p
12:52<andythenorth>lol yes the templating breaks my brain
12:52<andythenorth>I really try to avoid looking at it
12:53<andythenorth>it's better than the edition which used CPP variadic macros in nfo-but-via-renum
12:53<andythenorth>that was ..... oof
12:57<TrueBrain>https://gist.github.com/TrueBrain/0d8d7183c6eee45e5ac90bfa57777e29 <- that is how FIRS would look in Javascript, give or take mistakes
12:58<TrueBrain>just no clue if that is convertible to GRF ..
12:58<TrueBrain>I know the RPN can be done, or at least, I know for 90% it can
12:59<TrueBrain>main issue is that it is part templating, part pass-through ... :D
13:01<TrueBrain>why btw is there no industry cb without using registers but with telling what cargo ? :)
13:01<TrueBrain>at least, how I read it, I can either only do the first 3 cargoes
13:01<TrueBrain>or use the register version
13:01<TrueBrain>it consumes so much registers :P
13:03<frosch123>the no-register version is pretty useless
13:03<TrueBrain>exactly!
13:03<frosch123>when you deliver 1000 input, and the no-register version consumed 5, you have to call the thing 200 times
13:03<TrueBrain>well, I guess I can use the "again" to only use 1 register ..
13:04<frosch123>only 256 times until ottd says "grf broken"
13:04<+glx>ottd says broken on 16bit overflow
13:04<TrueBrain>frosch123: I don't get that one, sorry .. 1000 input ? 1000 different cargoes? Or 1000 units of cargo?
13:05<+glx>https://github.com/OpenTTD/OpenTTD/blob/master/src/newgrf_industries.cpp#L614
13:05<frosch123>1000 units of cargo
13:05<frosch123>delivering 1000 units within 256 ticks is not unreasonable
13:05<TrueBrain>why does it have to call again if you only consume 5? If you set the "again" flag?
13:06<frosch123>i don't understand your question. sound like "why is there a division operator, if you can just subtract the same amount until you reach zero"
13:07<+glx>a delivery can be of any numbers, but the callback has fixed values
13:07<TrueBrain>and I don't understand what you were trying to say :P
13:07<TrueBrain>so stale-mate! :)
13:07<TrueBrain>you say: "you have to call the thing 200 times"
13:07<TrueBrain>I don't get that part
13:07<TrueBrain>that is what I was asking :P
13:07<TrueBrain>a politer way of saying: huh?
13:07<TrueBrain>:)
13:08<+glx>because you want to consume the 1000 received items
13:08<frosch123>i mean: a industry-production callback always has to check the amount of cargo delivered, divide/multiply that number with something, and then return the result as output production
13:09<frosch123>i.e. "output = input / 8" vs "while (input > 8) { input -= 8; output ++; }"
13:09<TrueBrain>what does that have to do with the register version or not?
13:09<+glx>register version can dynamically adapt the values
13:09<TrueBrain>(the reason I ask is because I start to wonder if I am not missing something here :D)
13:09<frosch123>"output = input / 8" is the register version. the "while" is the non-register version with "again"
13:10<TrueBrain>I don't follow .. I can always just look at incoming_cargo_waiting not?
13:10<TrueBrain>and do input / 8 in both cases?
13:10<TrueBrain>owh, no, okay, I get what you mean
13:10<TrueBrain>I was thinking in a bit longer switch-statements :D
13:11<+glx>so instead of repeating 5 input gives 5 output, you can directly do 1000 input gives 1000 output via the registers
13:12<frosch123>the non-register version is only useful for primary industries, which use prod_level
13:12<frosch123>i think there is some flag somewhere to multiple the results of the cb with prod_level
13:12<frosch123>(don't use it :p )
13:14<TrueBrain>outputs[cargo.label] = cargo.multiplier * industry.production_level * industry.storage.base_prod_factor * industry.storage.current_production_level / 16 / 16 / 100;
13:14<TrueBrain>at least it is more clear than the FIRS variant :P
13:15<TrueBrain>it will be a very small subset of Javascript that can be supported .... but can it be done .. hmm
13:15<TrueBrain>will it hurt me somewhere :)
13:16<TrueBrain>signed vs unsigned might be tricky
13:16<frosch123>yeah, NML users noticed :p
13:17<+glx>15bit signed hits very hard
13:17<TrueBrain>normally I would say: just use signed everywhere, but I am sure there are cases that is not optimal
13:18<frosch123>as glx said. the problem is that not everything is 32bit, some things are 15bit, and when using 15bit things in 32bit computations, you have to know whether to sign-extend or not
13:19<TrueBrain>yeah, and the facts that the advanced varact2 has different operators for signed vs unsigned
13:19<TrueBrain>doesn't make it any easier ;)
13:19<TrueBrain>when I use the Javascript approach, I have nothing to base that decision on :)
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13:19<frosch123>ah yes, "grf has no strings" is compatible to "everything is a string" :p
13:20<frosch123>*incompatible
13:20<TrueBrain>the typelessness is more the issue :)
13:21<+glx>and procedures can work on full 32bit, but the return value is still 15bit
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13:23<TrueBrain>right ... so .. with the RPN I know I can deliver, and I know the footprint will be small
13:23<TrueBrain>with Javascript .. I am not 100% sure, and I am unsure about the footprint
13:23<TrueBrain>but .. Javascript would be 10000 times easier to write in for 99% of the users
13:26<andythenorth>am I the 1%? :D
13:26<TrueBrain>you writing RPN? That sounds like a disaster :P
13:26<TrueBrain>sorry :)
13:26<andythenorth>RPN looks quite appealing
13:26<andythenorth>I've never done it, but it looks cool
13:26<TrueBrain>it is really easy to mess up
13:27<frosch123>but you can transform RPN into a graph
13:27<frosch123>not so easy with JS
13:27<TrueBrain>why do we want a graph?
13:28<TrueBrain>mostly what I like about RPN, that I can stream it. I only need to read it once, and I have the answer at the end. With Javascript I need to build the AST, do reasoning on it, before I can output the result. Will take more CPU etc etc
13:28<frosch123>i though the idea was: RPN in backend, user draws flow-diagram in frontend, or switches to advanced RPN mode
13:28<TrueBrain>no, the idea is: use a templated variant, or an advanced mode
13:28<TrueBrain>both use RPN :)
13:29<TrueBrain>mainly as I found out that these functions are way too complex for visual languages :P
13:29<TrueBrain>but I guess you are not wrong .. with an RPN it is always possible to experiment with it
13:33<TrueBrain>pro for JS, syntax highlighters already exist :P
13:34<frosch123>not sure you can syntax-highlight in RPN :p
13:34<TrueBrain>me neither :D
13:34<frosch123>but you can do something like bracket-highlight
13:34<frosch123>highlight the child nodes of the operation at the cursor
13:35<frosch123>preview as graph, preview as infix, ... etc
13:35<TrueBrain>infix?
13:36<frosch123>you enter "input 8 / &output =", preview says "output = input / 8"
13:36<TrueBrain>lol, you flipped the left and right of the = operator from what I did
13:36<TrueBrain>and it is one thing I kept wondering about while writing the RPN
13:37<frosch123>oh, my mistake :)
13:37<TrueBrain>it is a funny problem :)
13:37<TrueBrain>it happens everywhere
13:37<TrueBrain>similar with dict lookuips
13:37<TrueBrain>dict key []
13:37<TrueBrain>or key dict []
13:38<TrueBrain>okay, decided to drop the &
13:38<TrueBrain>it is not needed, so don't annoy the user with it
13:38<frosch123>yay \o/
13:39<frosch123>fewer sigils is always better
13:39<TrueBrain>yeah, really trying to minimize the keywords and operators
13:39<TrueBrain>too
13:39<TrueBrain>the one thing that is a problem in both languages .. assigning register slots
13:40<frosch123>https://xkcd.com/1306/ <- extend with truegrf at the next bottom :)
13:40<TrueBrain>I need to do loop unrolling I think
13:40<TrueBrain>so I can do it then, I think
13:40<frosch123>do you have a use-case for loops?
13:40<TrueBrain>can I lookup register X, where X is in register Y?
13:40<TrueBrain>(in NewGRF)
13:40<TrueBrain>or do they have to be fixed?
13:41<TrueBrain>FIRS is full of examples of loops
13:41<frosch123>the 60+x parameter can be a register, so you can address persistent storage via register
13:41<TrueBrain>but they are all static loops
13:41<frosch123>but you cannot address regular variables
13:41<TrueBrain>preprocessor loops?
13:41<TrueBrain>give them a name :)
13:41<frosch123>better use functions imo
13:41<TrueBrain>okay, tnx frosch123
13:42<TrueBrain>take https://gist.github.com/TrueBrain/58a388d5e396bba3ae3ec721d3d5fca3#file-truegrf-primary-firs-rpn-L81 as example
13:42<frosch123>subfunction(0, cct:MAIL); subfunction(1, cct:COAL) is plausible to me
13:42<TrueBrain>just no way you can do that without a loop, and without going insane :P
13:42<frosch123>loops are probably work-around for other things
13:42<TrueBrain>I do not really mind the loops; keeps the code somewhat readable
13:43<TrueBrain>I just wonder how far to go in supporting them :P
13:43<TrueBrain>I don't mind if they have to be unrollable by the preprocessor
13:43<TrueBrain>that is a fine requirements for me
13:44<frosch123>haha, i like how the loop is unrolled inside the comment :p
13:44<frosch123>but with a typo
13:47<+glx>the second 27 is not a typo
13:49<frosch123>not?
13:49<TrueBrain>it is the length value
13:49<+glx>it's the length of the list
13:49<TrueBrain>it is a stack-based language, so after the values of a list, is an entry to indicate the length of the list
13:49<TrueBrain>otherwise you can't search the list on the stack :)
13:52<frosch123>i did not even notice it was a RPN link, i thought it was firs pynml :p
13:52<@DorpsGek>[OpenTTD/OpenTTD] DorpsGek pushed 1 commits to master https://git.io/JSS83
13:52<@DorpsGek> - Update: Translations from eints (by translators)
13:52<TrueBrain>I do not know what to think of this :P
13:54<TrueBrain>https://gist.github.com/TrueBrain/58a388d5e396bba3ae3ec721d3d5fca3 <- RPN
13:54<TrueBrain>https://gist.github.com/TrueBrain/0d8d7183c6eee45e5ac90bfa57777e29 <- JS
13:54<TrueBrain>I am still ... in doubt :)
13:54<TrueBrain>both about equal in length
13:56<TrueBrain>I guess if I do a proper RPN, the def{ stuff would be like: "def{ .. } name = "
13:56<TrueBrain>but ... that would make implementations rather complex :P
13:57<TrueBrain>I did reduce the keywords to "def{", "loop{", switch and call
13:57<TrueBrain>could change "call" into ()
13:58<TrueBrain>procedure calls accept 1 parameter, not? Hmm .. do I want to allow that ..
13:58<andythenorth>oh dear
13:58*andythenorth now working out how to python template RPN or JS :P
13:59<andythenorth>I already python templated GS :P
14:00<TrueBrain>a procedure also returns a value
14:00<TrueBrain>meh
14:00<TrueBrain>why bother ...
14:02<TrueBrain>ah, procedure variable is what procedure to execute ofc, not the parameter .. good; saves me from adding any of that :D
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14:06<frosch123>since you mentioned it, i keep on thinking that "index dict []" would be easier to implement...
14:06<frosch123>index can be an expression, dict never is
14:06<TrueBrain>implementation wise it really doesn't matter :)
14:06<TrueBrain>[] just looks at stack-1 and stack-2
14:06<TrueBrain>that is it :)
14:06<TrueBrain>or do you mean: easier to write?
14:07<frosch123>no, i mean compiling to grf. va2 also is somewhat a RPN thingie
14:07<frosch123>but you cannot store a dict-address in a grf-register
14:07<frosch123>so when compiling the "dict []" part becomes a single instruction
14:07<TrueBrain>no, I need my own stack anyway while parsing the RPN
14:07<frosch123>while the "index" can be multiple
14:08<TrueBrain>how I plan to create this, is a simple lexer that looks for spaces
14:08<frosch123>anyway, i strongly favour the RPN version.
14:08<TrueBrain>so it first finds, for example "dict", and stores the reference to the dict on the stack
14:08<frosch123>the JS version is reinventing NML :p
14:08<frosch123>it's cooler to have a RPN format, that other things can compile to
14:08<TrueBrain>next it finds "index", stores reference on stack
14:08<TrueBrain>next it finds "[]", which is an operator
14:09<TrueBrain>it looks up stack-1 and stack-2
14:09<TrueBrain>and outputs GRF based on it
14:09<TrueBrain>so from a compiling point-of-view, the order is not relevant, I think
14:10<TrueBrain>if "index" was instead "1 1 +", for example
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14:10<TrueBrain>the + would already resolve stack-1 and stack-2 into a single stack entry again
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14:10<TrueBrain>hmm, and that is a valid point for the RPN .. you can make anything compile to the RPN .. it is harder to make other things compile into Javascript
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14:11<frosch123>"industry.persistent 1 1 + []" would compile to "1 load_const 1 + load_persistent"
14:11<frosch123>"1 1 + industry.persistent []" is almost the same as "1 load_const 1 + load_persistent"
14:12<TrueBrain>currently I am under the assumption "dicts" actually never go to GRF
14:13<TrueBrain>hmm .. I do would like to support the NewGRF range switches, so you can quickly jump to something based on ranges .. how to call that? "switch"? "[...]" (just some random non-existing operator)? "lookup"?
14:15<frosch123>i think if-cascade is easier in RPN
14:15<TrueBrain>well, a loop-if-cascade in that case
14:15<TrueBrain>for lists
14:15<TrueBrain>as that is the actual case for me currently :D
14:16<frosch123>"default result1 range-start1 range-end1 IFRANGE result2 range-start2 range-end2 IFRANGE"
14:16*Gustavo6046_ double-checks his arsenal of large trouts
14:16<TrueBrain>yeah, I went for something slightly different there ;)
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14:17<TrueBrain>mainly what I noticed that "end" is just "start + 1" - 1
14:17<Gustavo6046>fixed nickname
14:18<TrueBrain>so I went with: range1 range2 range3 3 result1 result2 result3 3 value switch
14:18*Gustavo6046 looks menacingly at andythenorth, holding a large trout
14:18<TrueBrain>if value is between [range1, range2), it returns result1
14:22<TrueBrain>but the simple case in RPN is simple: default result1 range1 value > result2 range2 > result3 range3 >
14:24<Gustavo6046>what is that weird language?
14:24<Gustavo6046>it almost looks like a stack based language
14:24<Gustavo6046>like Forth, kind of
14:25<TrueBrain>an RPN, yes
14:26<TrueBrain>right, less keywords is better, so away with "switch" .. just a bit sad frosch123 , that one of the things NewGRF does supply, I won't be using :D
14:29<Gustavo6046>TrueBrain, I was about to ask what RPN stood for but I realized it's reverse Polish notation
14:29<Gustavo6046>:D
14:30<supermop_Home>I still have an rpn HP calculator
14:32<Gustavo6046>what about un-reverse Polish notation?
14:32<Gustavo6046>oh wait, that's just Lisp, isn't it
14:32<TrueBrain>postfix vs prefix languages
14:32<TrueBrain>both exist, yes :)
14:33<Gustavo6046>yeah
14:34<Gustavo6046>C has infix operators but its function calls are kind of like prefix notation
14:37<TrueBrain>https://gist.github.com/TrueBrain/58a388d5e396bba3ae3ec721d3d5fca3 updated, now with a header that explain the language a bit more.
14:37<TrueBrain>the only two keywords remaining are "def{" and "loop{"
14:40<TrueBrain>frosch123: similar, is A B > like "A > B" or "B > A" .. depends on how you look at "stack" :D
14:40<Gustavo6046>function pointers are fun to play with
14:40<Gustavo6046>but iirc they get in the way of optimization, right?
14:44<frosch123>TrueBrain: those are like division
14:44<TrueBrain>yeah
14:44<frosch123>so A > B
14:44<TrueBrain>lets keep the order of operations from left to right, yes :)
14:44<TrueBrain>no need to hurt us any more than needed :P
14:45<supermop_Home>andythenorth how do you draw good stonework noise in a way that is reuseable?
14:46<supermop_Home>or do you redo it for each sprite?
14:46<andythenorth>supermop_Home I try not to do it :P
14:48<andythenorth>supermop_Home I would just redraw it each time I think
14:48<supermop_Home>oof
14:48<supermop_Home>my walls don't look good
14:48<supermop_Home>especially lava rock
14:49<Gustavo6046>TrueBrain, masochism comes in degrees, sometimes we're ok hurting ourselves a little bit, but not any more than that
14:49<Gustavo6046>lol
14:49<TrueBrain>still in doubt about [] frosch123 :) Main reason I picked the current order, is becomes of this: "list key [] 1 =" <- if I do it reversed "key list [] 1 =", it is hard for me to see it manipulated "list".
14:49<TrueBrain>but I think it will be one of those things ... lets make a parser first, and see what works and not after :D
14:51<Gustavo6046>TrueBrain, ooh
14:51<Gustavo6046>what if we wrote a simple compiler, that targets that RPN language
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14:51<TrueBrain>another one: true false <condition> or false true <condition> .. :D
14:52<TrueBrain>I went for the first for now
14:52<TrueBrain>feels more natural
14:52<Gustavo6046>yeah
14:54<frosch123>false true <condition> is easier to chain
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14:54<frosch123>result3 result2 <condition2> result1 <condition1>
14:55<TrueBrain>depends on your frame of reference ;)
14:55<TrueBrain>default result1 range1 value > result2 range2 > result3 range3 >
14:55<frosch123>though for switches you have to keep the switch-value somewhere
14:55<TrueBrain>works fine for me :)
14:58<TrueBrain>hmmm, my if-chain is missing "value" a few times :P
14:58<TrueBrain>but this again is, I guess, reading from left to right or from right to left :D
14:58<TrueBrain>it is really funny :)
14:58<TrueBrain>(to me at least :P)
14:58<TrueBrain>pretty sure there is no right .. just choices :)
14:59<TrueBrain>postfix notation is a bit more trivial in these regards, I guess
14:59<TrueBrain>something like: / 20 10
15:00<TrueBrain>or: > value range1 true false
15:04<TrueBrain>s/postfix/prefix/
15:04<TrueBrain>lol
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15:10<TrueBrain>industry:storage: does have one caveat .. a new version should assign the same variable to the same slot, I guess :P
15:10<TrueBrain>otherwise things might break a bit :)
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15:11<andythenorth>a new grf version?
15:11<andythenorth>with a compatible version bump?
15:12<TrueBrain>FIRS 4.3 and 4.4, those versions, yes
15:13<andythenorth>breaking compatibility with existing savegames is acceptable
15:13<andythenorth>same variable same slot is nice, but variable meanings or valid value ranges etc might change
15:13<frosch123>TrueBrain: the same applies to industry ids, random bits and stuff. i think those "locations" should be defnied when declaring the variable name
15:13<andythenorth>and we have no migration capability
15:13<frosch123>i.e. don't use implicit variable declaration
15:13<andythenorth>the implicit in NML is a complete waste of time
15:13<TrueBrain>you are both right, I think :)
15:13<TrueBrain>I expect with TrueGRF people make a lot of small incremental releases
15:14<TrueBrain>but yeah, I was thinking about explicit variable declaration
15:14<TrueBrain>also for the type
15:14<andythenorth>I try to make small incremental releases with grfs, and preserve compatibility wherever possible
15:14<TrueBrain>that gives two options ..
15:14<andythenorth>but when it's not possible....it's not possible
15:14<TrueBrain>I can keep industry:storage: ..
15:14<TrueBrain>or I can assign a local variable to that
15:15<TrueBrain>so at the top you have to define something like: supplied_cycles_remaining_cargo industry:storage 29 list
15:15<frosch123>andythenorth: there is a difference between "you decide when to break stuff", and "a compiler randomly switches things around, so you cannot even reload newgrf in-game, and always have to restart the game"
15:15<TrueBrain>and: total_delivered local int
15:16<andythenorth>frosch123 this is the problem with NML magical implicit IDs :)
15:16<frosch123>yes, they are useless :)
15:16<TrueBrain>so lets not repeat that for this language
15:16<TrueBrain>what are we calling it ..
15:16<TrueBrain>TrueRPN? :P
15:16<frosch123>just RPN: reverse-polish-newgrf
15:17<TrueBrain>:D
15:17<TrueBrain>I like it ;)
15:17<frosch123>the "polish" sets are known for realism, so reversing that
15:17<TrueBrain>do I need u32 and u15
15:17<TrueBrain>or can I just do u32, and convert where needed? :P
15:17<TrueBrain>(well, i32 and i15 are more important, ofc)
15:18<frosch123>u32/i32 are for storage, u15/i15 are function return values
15:19<frosch123>technically you do not need the 32/15, just U and S
15:20<frosch123>"def func() -> signed" "def func() -> unsigned"
15:20<TrueBrain>now for a syntax to define types ... ugh
15:20<TrueBrain>my functions don't return anything
15:20<TrueBrain>much easier :P
15:20<TrueBrain>just use a temp-register
15:20<TrueBrain>is my answer :D
15:20<TrueBrain>"num_supplies_delivered 27 list unsigned industry:storage type"
15:20<frosch123>can you pass the register as output-reference to the function?
15:20<TrueBrain>that feels a bit icky .. but I guess?
15:21<andythenorth> do we have enough registers? :P
15:22<andythenorth>some are reserved
15:22*andythenorth looks up the troublesome one
15:23<+glx>andythenorth: there are 256 useable registers (except in NML)
15:23<andythenorth>0x100 for vehicles is the one that kills me every time
15:24<andythenorth>it's reused, which has ... interesting results
15:24<+glx>but 0x100 is a write only register from newgrf pov
15:24<andythenorth>yup
15:25<+glx>with meaning for the caller depending on the callback
15:25<andythenorth>it's dangerous when using random switch and spritelayers
15:25<andythenorth>or rather...that's not possible :P
15:26<andythenorth>I am still worried what happens if TB looks at Iron Horse
15:26<andythenorth>FIRS is really simple
15:26<frosch123>the problem with 100 is just that both you and nml use it :)
15:28<andythenorth>I just stopped using random switch
15:28<andythenorth>it was the easiest thing
15:29<@peter1138>Mmm, which path shall we follow today
15:29<andythenorth>the path of righteousness
15:30<@peter1138>The path of refusing to believe in callback ID 1 as it's not documented...
15:34<andythenorth>do newgrf docks use it? :)
15:40<@peter1138>Didn't get as far as triggers.
15:41<@peter1138>Besides it would all be done wrong.
15:42<andythenorth>what isn't :P
15:46<@peter1138>Surfing With the Alien.
15:47<@peter1138>80s guitar indulgence that I'd forgotten about somehow...
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16:25<Gustavo6046>four cities have many many busses and mail trucks going through them in a star of orders (asym cargodist), but this heavily congests the road stations
16:25<Gustavo6046>what do I do? maybe replacing them with trains is the best course of action?
16:28<FLHerne>Add links to make it more connected than a star?
16:28<Gustavo6046>I mean, look at this https://i.imgur.com/ZkP4hzl.jpg
16:28<Gustavo6046>FLHerne, links?
16:28<Gustavo6046>Oh wait
16:28<FLHerne>Trains are good, but you might need a lot of demolition to get into the centre
16:29<Gustavo6046>is it even necessary to have them transport in a star with cargodist?
16:29<Gustavo6046>Surely just a loop is enough, right?
16:29<Gustavo6046>Maybe there are downsides
16:29<FLHerne>No
16:29<supermop_Home>turn off breakdowns
16:29<FLHerne>For cdist, network graphs with bottlenecks are usually bad
16:30<FLHerne>all-to-all is ideal
16:30<FLHerne>somewhere in between is probably most practical
16:32<Gustavo6046>ah
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16:39<Gustavo6046>those orders are something like ABCBDB
16:40<Gustavo6046>supermop_Home, okay
16:43<Gustavo6046>It's also that bus/truck stations tend to get clogged, especially if a vehicle is running early
16:44<Gustavo6046>I would like them to spend the surplus days by going slower than the max speed or something
16:44<Gustavo6046>maybe adjust the speed if it nears the station and realizes it's still gonna reach before schedule
16:44<supermop_Home>un fortutately that's not possible
16:44<Gustavo6046>so it goes a bit slower again
16:44<Gustavo6046>ah, that's okay :<
16:44<Gustavo6046>I understand
16:44<supermop_Home>the best bet is to have them wait somewhere where they don't block a vehicle behind them
16:45<supermop_Home>but this is hard for most road vehicles
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16:50<Gustavo6046_>oops
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16:51<Gustavo6046>oops
16:51<Gustavo6046>supermop_Home, yeah, true
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16:53<supermop_Home>https://imgur.com/a/R29AMq6
16:53<supermop_Home>generally road stops in series are not much better than a single one
16:54<supermop_Home>as no vehicle can pass another in the line anyway
16:54<supermop_Home>in parallel at least, a following RV can choose a different stop
16:55<supermop_Home>same with a single stop that the rv could enter from either side
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16:56<Gustavo6046>Is there a max length of transfering sequence in a cargodist route?
16:56<Gustavo6046>Like max number of hops between stations
16:56*Gustavo6046 hoppy wallaby
16:56<supermop_Home>in practice, the RV pathfinder seems to cache too much of the vehicles route
16:56<Gustavo6046>supermop_Home, but yeah, I did realize parallel is often better than serial
16:56<Gustavo6046>take that silicon valley :P
16:56<supermop_Home>so a late running vehicle hugs the on time one in front of it
16:56<Gustavo6046>ah
16:56<supermop_Home>and follows it into the same stop
16:56<Gustavo6046>that sounds sweet! they're friends!
16:57<andythenorth>I think someone tried a full mesh for cdist
16:57<supermop_Home>as at the time it choses a route into the closest stop, it doesn't know it will be occupied
16:57<andythenorth>might have been jgr :P
16:58<supermop_Home>drive-in stops are better for this in therory
16:58<supermop_Home>theory
16:58<supermop_Home>as the late RV can leave before the on time one
16:58<supermop_Home>but 1) you can't use articulated RVs
17:00<Gustavo6046>ahh
17:00<Gustavo6046>oooh right
17:00<supermop_Home>and 2) the time it takes RVs to do the movement in and out of the stop is a huge bottleneck that erases most of the late vehicle's chance to catch up
17:00<Gustavo6046>because in a drive-through, they have to exit in the same order they enter
17:00<Gustavo6046>right?
17:00<supermop_Home>yes
17:00<Gustavo6046>what if it's a drive-through followed by a drive-in? o.o
17:00<Gustavo6046>lol
17:01<supermop_Home>the RVs stop at the drive through then pointlessly turnaround in the drive-in
17:01<Gustavo6046>oh
17:01<Gustavo6046>but don't they usually stop at the end, i.e. at the drive-in?
17:02<supermop_Home>not if they just stopped at the drive through on the way there
17:02<Gustavo6046>ahh
17:02<Gustavo6046>hmm
17:03<Gustavo6046>what if there was a stop type that was a weird Frankenstein, but one way only? a single through lane (you can pick the direction), because the space where the other lane would be is instead parking spots
17:03<Gustavo6046>so like an expandable drive-in
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17:03<Gustavo6046>you could link two lines of those in opposite directions, kinda like two lanes of one-way railway
17:03<supermop_Home>if you have one chronically late RV that's just following the one in front with no chance to pass, its best just to manually stop the on-time RV briefly to let the other pass
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17:03<supermop_Home>Gustavo6046 that's been discussed and eagerly awaited for years
17:04<Gustavo6046>:O
17:04<Gustavo6046>I'm not the first one?
17:04<Gustavo6046>(It sounds balanced because of the one-way thing)
17:04<supermop_Home>as part of general new road stop and/or airport paradigm
17:04<Gustavo6046>yayy I think alike to the awesome openttd folks :DDDD
17:04<Gustavo6046>\o/
17:04<Gustavo6046>that does sound like something that would go best in a NewGRF, though
17:05<Gustavo6046>maybe that kind of thing could be API-ified so it isn't as hardcoded? idk
17:05<supermop_Home>it would have to be a patch, because the statemachines for vehicle movement in those is hardcoded
17:06<supermop_Home>this is also why airports that use different runway layouts than standard require a patch
17:06<Gustavo6046>Ah :(
17:07<Gustavo6046>how about a patch that makes them patchable by newgrfs or something
17:07<Gustavo6046>patchception lol
17:07<supermop_Home>the idea is to instead provide some means to make new movement patterns by other means rather than hardcoded
17:07<supermop_Home>yes,
17:07<supermop_Home>someone called rich did some work on it about 10 years ago
17:07<supermop_Home>but it kind of petered out
17:09<Gustavo6046>bitrot?
17:11<Gustavo6046>petered out like in it didn't catch up with openttd development?
17:12<andythenorth>there was a disagreement
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17:17<supermop_Home>Gustavo6046 with trains you can do this at the end of the line that lets a late train pass an early one easily:
17:17<supermop_Home>https://imgur.com/YiHSIh9
17:17<Gustavo6046>ah
17:17<supermop_Home>especially if the there is amble lay-up time
17:18<supermop_Home>i often schedule trains to wait the time between train on the schedule plus a few days at end of line
17:19<supermop_Home>that way train 1 doesn't try to leave until train 2 has arrived and cleared the jenction
17:19<Gustavo6046>ohhh, so if one is coming and another is leaving at the same time, they don't have to wait for one to go through the intersection between station lanes and the two-way rails each time?
17:19<supermop_Home>junction
17:19<Gustavo6046>my layout is often like this, basically a roundabout https://i.imgur.com/iWVrxGI.png
17:19<supermop_Home>basically this is what the subway here does at most end of line terminals
17:20<Gustavo6046>hmm, what if a train wants to leave from the depot into the railway?
17:21<supermop_Home>that's pretty uncommon - that depot is just for buying trains and starting them off
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17:22<supermop_Home>if i wanted to use it for servicing or replacing trains i'd probably design it differently
17:22<Gustavo6046>oh okay
17:22<Gustavo6046>how do you maintain the trains?
17:22<Gustavo6046>or service them, I think that's what maintenance refers to
17:22<Gustavo6046>oh waitttt
17:22<Gustavo6046>you disable breakdowdns
17:22<Gustavo6046>breakdowns*
17:22<Gustavo6046>I forgot :D
17:23<_aD>hey now, where's the challenge, when running 10-unit trains, without servicing? :-D
17:25<Gustavo6046>so, my roundabout station junction design is probably dumb and crapo
17:25<_aD>but is it beautiful?
17:27<Gustavo6046>I don't know, I'll let you be the judge of that. I linked a screenshot earlier
17:28<supermop_Home>https://imgur.com/I7Ae9rO
17:29<supermop_Home>this lets trains replace or service if needed and is still pretty functional
17:29<supermop_Home>you can of course add mor platforms or double the line coming into it
17:30<supermop_Home>again, I've scheduled the trains to wait at the station loading until the next one arrives, but you don't really need to
17:32<Gustavo6046>ah
17:32<_aD>oh that's much more svelte than mine :-\
17:33<Gustavo6046>it's so simple yet so elegant
17:33<Gustavo6046>I generally avoid putting depots behind stations, not sure why
17:33<Gustavo6046>I guess so I can extend the station length if needed?
17:37<_aD>http://simplypeachy.co.uk/journal/wp-content/uploads/2022/01/Quadruplex-Depot-design.png
17:38<_aD>pls excuse the non-path signals, don't taze me bro.
17:38<supermop_Home>i generally like to keep my stations at mines, farms etc as close as possible to simple sidings
17:38<_aD>Service before loading.
17:38<_aD>These were for long-distance journeys...them trains were haulin' for a while.
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17:44<@DorpsGek>[OpenTTD/team] frosch123 commented on issue #282: [nb_NO] Translator access request https://git.io/JSDae
17:44<@DorpsGek>[OpenTTD/team] frosch123 commented on issue #283: [nn_NO] Translator access request https://git.io/JSDaY
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18:36<TrueBrain>https://gist.github.com/TrueBrain/58a388d5e396bba3ae3ec721d3d5fca3 <- added type definition .. now tomorrow we try to actually implement this :P
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23:34<@DorpsGek>[OpenTTD/OpenTTD] larryfenn opened pull request #9781: Change: Automatic screenshot numbering https://git.io/JS9P1
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---Logclosed Thu Jan 06 00:00:17 2022