Log for on 28th September 2012:
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14:38:35  <Alberth> frosch123: yesterday I 'finished' the scope resolver patch in
14:38:35  <Alberth> While it compiles, I haven't actually run it. Also, there are a few holes in GetTown() that need further work.
14:38:35  <Alberth> I think the main goal is to get an understanding of consequences of these changes
14:41:05  <frosch123> nice :)
14:41:39  <frosch123> i should have time today to look at it
14:42:00  <frosch123> i'm gone tomorrow and most of sunday thoughj
14:42:39  <Alberth> it's not high priority, just keeping it progressing is sufficient
14:47:37  <frosch123> i'll give it higher priority than my attempts at fs#5086
14:48:57  <Alberth> :)
14:49:20  <Alberth> any idea how to approach that game with stuck planes?
14:49:33  <Alberth> I guess there is a bug in the state machine
14:50:39  <Alberth> fs#5301
14:50:52  <frosch123> i would check in what state the plane is
14:51:00  <frosch123> and what blocks of the airport are reserved
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18:42:11  <frosch123> <- Alberth: since i broke them, i updated the queue to tip
18:42:22  <frosch123> now playing a bit with it :)
18:42:56  <Alberth> ok :)
18:46:01  <Alberth> imho the patch should be changed towards introducing scopes right away, ie merge 400-5?0 into the first sequence mostly
18:46:35  <frosch123> yeah, but i am adding some 6xx currently, which might need merging in similair way
18:46:46  <frosch123> (if it actually works what i have in mind :p)
19:10:26  <Yexo> Belugas: if you can make it compile I'm very interested
19:10:41  <Yexo> not implying how hard or easy that is, I haven't tried yet
19:46:56  <Belugas> me too, i'd be interested :D
19:47:21  <Belugas> i will try soon, just need to figure out the proper environment first...
19:47:55  <frosch123> <- Alberth: added some 6xx
19:47:57  <Belugas> right now, i'm waiting for jelly bean to be available for my tablet.
19:48:12  <frosch123> not quite sure about 630
19:48:34  <frosch123> there seems to be something fishy in current trunk :p
19:51:50  <frosch123> Yexo: specs list towns as parent object to airports, but AirportGetVariable does not reflect that?
19:52:43  <frosch123> fix the specs? :p
19:55:08  <Alberth> nobody makes newgrfs for airports :p
19:57:58  <Alberth> I seem to be causing lots of questions :)
19:58:18  <frosch123> interesting ones?
20:08:35  <Alberth> the station question you fixed, the one you just found above
20:09:07  <frosch123> ah, those
20:09:47  <frosch123> well, you raised some dust :)
20:14:43  <Alberth>
20:14:54  <Alberth> a bit of info about fs5301
20:15:58  <Alberth> ap.flags ^= (((uint64)1 << 14) | ((uint64)1 << 26));   <-- I toggled these flags, and the aircraft continued their way
20:18:16  <Alberth> but the forum thread has several cases, also with other airports, so it must be something more fundamental that disrupts state machine operation.
20:18:34  <frosch123> most likely some savegame conversion :p
20:18:53  <frosch123> maybe some states were added somewhen
20:19:41  <frosch123> or were there cases with new savegames?
20:19:55  <Alberth> could be, this game started with r19292
20:20:11  <frosch123> really? that is new
20:20:18  <Alberth> I have not looked into the other cases yet
20:21:02  <Alberth> I somewhat suspect the autorenew or autreplace, but perhaps that would cause more often trouble
20:21:44  <frosch123> you mean all cases are about aircraft in depots?
20:23:50  <Alberth> you need something that changes heading or so of the aircraft at random times, this is the only thing I can currently come up with
20:24:50  <Alberth> I wonder whether it is worth the trouble to put the state machine in a model checker for verification of correctness
20:25:09  <frosch123> isn't there already such thing?
20:26:03  <frosch123> looks like it is gone
20:26:13  <frosch123> i think there was something like that in the past
20:26:39  <Alberth> that was before I joined then :)
20:27:02  <Alberth> I guess you want to play a bit more with resolving scopes?
20:27:53  <frosch123> there is a AirportTestFTA function in 0.6
20:28:03  <frosch123> Alberth: not before sunday evening
20:28:29  <Alberth> oh, that's fine, I am in no hurry at all
20:28:40  <frosch123> just in case you want to play some more :)
20:29:03  <frosch123> anyway, i fell in the long run we might get more derived classes of the various ScopeResolvers
20:29:05  <Alberth> I wouldn't know where to play
20:29:20  <frosch123> like for construced and not-yet-constructed stuff
20:29:41  <Alberth> and read/write and read-only towns :p
20:29:49  <frosch123> :p
20:30:07  <Yexo> frosch123: the problem with the parent scope for airports is that it was never decided what it should be
20:30:22  <Yexo> logically it should be towns, like for stations
20:30:37  <frosch123> Yexo: i thought the questions were only about airport tiles
20:30:41  <frosch123> not about airports
20:30:45  <Yexo> however some airport callbacks need access to vehicle vars of the vehicle triggering the cb, so in those cases it should be a vehicle
20:30:54  <frosch123> ah
20:31:00  <frosch123> so, secondary scopes :p
20:31:03  <Yexo> yep :)
20:31:14  <Yexo> airport tiles have either airport or town as parent scope
20:31:46  <Yexo> at least, I think that was the idea, not quite sure what the problem was there
20:31:48  <Alberth>    none
20:32:17  <Yexo> Alberth: that's current, I was talking about what's planned
20:32:25  <Yexo> although the spec is wrong for airports
20:32:29  <Alberth> ah, ok :)
20:33:17  <Yexo> fixed the spec :)
20:35:28  * Alberth wished it was always that easy :)
20:35:53  <planetmaker> :-)
20:38:00  <Yexo> get wishlist, scrap items that are not yet done, release finished product :p
20:38:35  <frosch123> isn't that the official policy of ottd?
20:38:52  <Alberth> except we don't have a wish list? :)
20:39:17  <frosch123> sure we have
20:39:19  * Yexo points to
20:39:53  <frosch123> <- ok, we did not yet write 1.3 :p
20:40:24  <Yexo> the 1.2 roadmap isn't even protected
20:40:44  <Yexo> : "There is no idea what is going to be in 1.1.0. " :p
20:40:52  <frosch123> i gues 0.6 roadmap was the last one that made any sense
20:41:32  <frosch123> maybe it was also the only one ever
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20:56:11  <frosch123> night
20:56:14  <frosch123> see you sunday
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