Log for #openttd on 10th October 2021:
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07:32:57  <TrueBrain> "if the game was £29.99 i'd buy 2 copies. " <- so who wants to cash in? :P
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07:56:00  <andythenorth> but we don't make Simutrans
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08:14:58  <DorpsGek> [OpenTTD/nml] andythenorth opened issue #240: Recurse when checking is_read_only (correct title?)
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08:22:31  <DorpsGek> [OpenTTD/nml] andythenorth opened issue #241: Attempt to warn when use of ternary op might fail due to over-writing temp register (?)
08:24:37  <andythenorth> good times in nml :)
08:24:57  * andythenorth was about ready to quit yesterday, but the issues were found, always nice
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09:10:35  * andythenorth needs help with probability
09:10:55  <andythenorth> Eddi was my outboard brain for all maths problems, where has Eddi gone? :P
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09:22:45  <andythenorth> max 1 industry per town can increase production each month
09:22:56  <andythenorth> chance is 25% (if some other pre-condition is met)
09:23:10  <andythenorth> industries are evaluated sequentially, by industry type ID
09:23:23  <andythenorth> so if potash mine is ID 1
09:23:28  <andythenorth> and salt mine is ID 10
09:24:09  <andythenorth> the salt mine chance has 1 / n! or nCr or something
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09:24:28  <andythenorth> potash mine increases will be much more common than salt mine increases
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09:50:42  <andythenorth> maybe I can round-robin them somehow
09:51:04  <andythenorth> prevent the same industry getting an increase twice in a row
09:51:18  * andythenorth not aware of any grf-readable UUID for industries
09:51:37  <andythenorth> oh maybe?
09:53:44  <DorpsGek> [OpenTTD/nml] andythenorth commented on issue #218: Request: Add variable for xy coordinates of industries
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10:30:24  <DorpsGek> [OpenTTD/nml] glx22 commented on issue #241: Attempt to warn when use of ternary op might fail due to over-writing temp register (?)
10:32:26  <andythenorth> fixed the original post
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10:45:59  <michi_cc> andythenorth: 0x80 for industries is the TileIndex, which will be unique unless somebody codes stacking industries for OTTD :)
10:48:27  <dP> michi_cc, can't there already be industries with same tile? pretty sure that tile can be empty on industry layout
10:52:24  <michi_cc> Okay, if the anchor tile can indeed be empty, you could have to industry layouts that slot right into each other. Easy to avoid within one industry NewGRF, though.
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12:18:13  <andythenorth> thanks :)
12:24:19  <andythenorth> ok so FIRS primary industries now increase production (random chance) if the town is 'optimistic'
12:24:44  <andythenorth> the implementation is
12:24:48  <andythenorth> but it works
12:32:04  <andythenorth> oof no comment
12:41:52  <dP> openttd does look like a competitive game on a surface
12:41:58  <dP> until you learn how it all really works
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12:48:54  <andythenorth> bad those mods :)
12:49:03  <andythenorth> no editing of an open source game :)
12:54:52  <dP> huh? ppl play vanilla competitively more than anything
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13:24:06  <DorpsGek> [OpenTTD/nml] glx22 opened pull request #242: Fix #240: Incomplete read only checks
13:29:15  <andythenorth> \o/
13:29:45  <glx> and the test case is exactly what you found in FIRS I think
13:30:14  <glx> (with more indirection maybe, but same effect)
13:31:43  <glx> for the ternary issue, I'm looking into auto translating the problematic ternary into a procedure call
13:31:53  <glx> should be better than a warning
13:36:25  <andythenorth> thanks :)
13:36:29  * andythenorth BBL
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14:00:38  <Samu> glx, how should I test smarter_ships branch?
14:01:59  <Samu> in which situations do ships smart reverse?
14:02:43  <glx> when they enter a dead end, can be docks, coast, ...
14:04:04  <glx> they used to do a basic reverse, now they can choose between the usually 3 possible tracks
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14:04:33  <Wolf01> :D
14:04:42  <Wolf01> Windows 11 on lumia
14:05:01  <Wolf01> Is there an arm version of OTTD?
14:06:16  <glx> simple test case I made was a dock where the ship stops on the side facing the dock, then I immediatly built a dock behind the ship to trap it
14:06:29  <frosch123> Wolf01: there actually is, but i think it is untested
14:06:58  <glx> without smarter_ship it will just bounce between the 2 docks
14:07:23  <Wolf01> Now I need to finish the initial config then enable dual boot
14:13:26  <Samu> nice test
14:13:43  <Samu> that's why you wanted my savegame
14:13:53  <Samu> now I see
14:18:06  <Samu> that's actually an amazing fix! it would render many of my patches pointless if ships can smart reverse
14:19:23  <Samu> wait, maybe there's some situation where it can't be fixed
14:19:27  <Samu> gonna test, brb
14:20:45  <Samu> hah, it fixes it too!
14:21:02  <Samu> amazing, PR it
14:25:07  <Samu> 					/* Test if continuing forward would lead to a dead-end, moving into the dock. */ this test could be removed now, right?
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16:31:25  <kaomoneus> Hi folks! Question about _date_fract. In definition I found comment that it is increased by 885 and we once we got an overflow new day begins. But...
16:32:52  <kaomoneus> here I see that it is incremented normally, and once it's greater thant 74, we make it zero.
16:34:11  <kaomoneus> And yet 885 magic is still used somewhere..
16:34:17  <LordAro> kaomoneus: where is this 885 comment?
16:34:32  <LordAro> days are divided into 74 ticks, as you have found
16:36:35  <kaomoneus> LordAro: in date_type.h,
16:36:49  <LordAro> right
16:36:57  <LordAro> ah, 885 logic is still used within NewGRFs
16:37:09  <LordAro> which are ancient and "Compatibility Must Be Maintained"
16:37:21  <LordAro> s/which are/the format of which is/
16:37:28  <kaomoneus>
16:38:07  <kaomoneus> This is pretty hackish (and smart though)..
16:38:26  <LordAro> a remnant of the original TTD, i suspect
16:38:34  <kaomoneus> but, why just not to use _date_fract % DAY_TICKS
16:39:00  <kaomoneus> Now it's always less than DAY_TICKS though..
16:39:33  <kaomoneus> Well, anyways, now it makes sence. Thanks!
16:41:30  <kaomoneus> But I would replace
16:41:40  <kaomoneus> with
16:41:49  <kaomoneus> assert(_date_fract < DAY_TICKS)
16:41:59  <kaomoneus> *value = _date_fract;
16:42:12  <LordAro> that... is not the same
16:42:28  <LordAro> newgrfs expect the old uint16-overflow method of calculating date_fract
16:42:39  <LordAro> so the current date_fract value is multiplied by 885 (as specified in the comment)
16:43:17  <kaomoneus> LordAro: so you mean, that newgrf overrides "_date_fract++" logic?
16:43:40  <LordAro> no
16:44:17  <LordAro> newgrfs expect 0, 885, 1770,
16:44:35  <LordAro> but that (hacky) method of fractional dates is no longer used (probably not for 15 years now)
16:44:41  <LordAro> but the newgrf spec cannot be changed
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16:45:44  <andythenorth> yo
16:45:48  <LordAro> lo andy
16:45:54  <kaomoneus> Aaagh.. Now I see.
16:46:18  <andythenorth> some of the grf debug window lets values be edited (click on the value to edit)
16:46:21  <andythenorth> e.g. parameters to vars
16:46:29  <andythenorth> could persistent storage be editable?
16:46:38  <andythenorth> I have cases where e.g. I want to zero it
16:46:43  <kaomoneus> We just convert _date_fract into _hackish_date_fract_80386_friendly.
16:46:46  <andythenorth> or put specific values in a register to trigger a behaviour
16:47:53  <andythenorth> this is for debug + testing
16:50:04  <kaomoneus> LordAro: what is main use case of _date_fract by newgrf? Is it more for introducing new vehicles or industries or some animation?
16:55:57  <DorpsGek> [OpenTTD/nml] andythenorth commented on pull request #242: Fix #240: Incomplete read only checks
16:56:11  <andythenorth> if anyone could approve that one...would be good :)
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17:10:14  <LordAro> kaomoneus: i have no idea
17:10:34  <LordAro> animations, perhaps?
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17:20:42  <DorpsGek> [OpenTTD/OpenTTD] James103 commented on issue #8869: Setting resolution really small in openttd.cfg crashes the game
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17:30:37  <DorpsGek> [OpenTTD/nml] glx22 opened pull request #243: Add: Warn when ternary operator results are not read only
17:34:50  <DorpsGek> [OpenTTD/nml] LordAro approved pull request #242: Fix #240: Incomplete read only checks
17:35:27  <DorpsGek> [OpenTTD/nml] LordAro approved pull request #243: Add: Warn when ternary operator results are not read only
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17:36:46  <DorpsGek> [OpenTTD/nml] LordAro approved pull request #239: Fix: example_train grf triggering an error message in OpenTTD
17:38:03  <DorpsGek> [OpenTTD/nml] LordAro approved pull request #236: Add: show an error if a required property is not set for objects (feature 0F)
17:38:24  <DorpsGek> [OpenTTD/nml] LordAro approved pull request #224: Fix: Reject empty arrays of expressions
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17:39:27  <DorpsGek> [OpenTTD/nml] LordAro approved pull request #220: Fix #209: Cargo 'profit' callback applied a unit conversion, when there was no unit.
17:39:45  <LordAro> your turn, glx :p
17:40:02  <LordAro> and #231 needs updating, andythenorth :p
17:40:18  <kaomoneus> What is the game common way to convert integer to string? strstream?
17:40:39  <LordAro> if it actually needs to be a string? strtoi, probably
17:40:47  <LordAro> if you're just printing it, use printf & friends
17:42:12  <DorpsGek> [OpenTTD/nml] glx22 merged pull request #242: Fix #240: Incomplete read only checks
17:42:17  <DorpsGek> [OpenTTD/nml] glx22 closed issue #240: Incomplete checking of is_read_only
17:42:23  <kaomoneus> LordAro: I want to make dropdown with minutes. I seed that for months, days and years it goes through localized string IDs. But woudln't it be overkill to do same for minutes?
17:42:51  <LordAro> surely it doesn't do that with years
17:42:57  <LordAro> given there are 5000000 possibilities
17:43:35  <glx> no need to convert int to string if you use normal strings
17:43:46  <glx> {NUM} will work
17:43:52  <LordAro> ^
17:45:30  <glx> and I think there's already existing dropdowns with list of numbers, they can be used as inspiration
17:46:07  <DorpsGek> [OpenTTD/nml] glx22 closed issue #241: Attempt to warn when use of ternary op might fail due to side effects
17:46:10  <DorpsGek> [OpenTTD/nml] glx22 merged pull request #243: Add: Warn when ternary operator results are not read only
17:47:36  <DorpsGek> [OpenTTD/nml] glx22 merged pull request #239: Fix: example_train grf triggering an error message in OpenTTD
17:52:27  <DorpsGek> [OpenTTD/nml] glx22 closed issue #191: Does not error when defining an object without a size
17:52:30  <DorpsGek> [OpenTTD/nml] glx22 merged pull request #236: Add: show an error if a required property is not set for objects (feature 0F)
17:53:20  <DorpsGek> [OpenTTD/nml] glx22 merged pull request #224: Fix: Reject empty arrays of expressions
17:56:17  <DorpsGek> [OpenTTD/nml] glx22 closed pull request #212: Fix #209: Sign-extend value before cargo_profit callback result calculation
17:56:23  <DorpsGek> [OpenTTD/nml] glx22 merged pull request #220: Fix #209: Cargo 'profit' callback applied a unit conversion, when there was no unit.
17:56:26  <DorpsGek> [OpenTTD/nml] glx22 closed issue #209: Cargo callback "profit" probably broken
17:57:58  <andythenorth> \o/
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18:10:16  <kaomoneus> Is here a way to hide some widget and all its children? Is LowerWidget a correct method for it?
18:11:59  <dP> kaomoneus, use NWID_SELECTION
18:12:03  <dP> for example
18:15:14  <kaomoneus> dP: thanks!
18:19:30  * andythenorth proposes new industry flags
18:19:42  <andythenorth> "don't include in map totals when considering whether to construct more industry"
18:19:55  <andythenorth> "try to locate at least one of these in every town"
18:31:47  <dP> IND_FLAG_TOWN_HACK? :p
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18:46:40  <DorpsGek> [OpenTTD/OpenTTD] DorpsGek pushed 1 commits to master
18:46:41  <DorpsGek>   - Update: Translations from eints (by translators)
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