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object.id and retobjectbyid() are undocumented #1183

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amreo opened this issue Jul 7, 2018 · 5 comments · May be fixed by colobot/colobot-data#126
Open

object.id and retobjectbyid() are undocumented #1183

amreo opened this issue Jul 7, 2018 · 5 comments · May be fixed by colobot/colobot-data#126
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CBOT SatCom

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@amreo
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amreo commented Jul 7, 2018

There are a (smart) way to uniquely identify a object(like a bot, a enemy bot, a AntSpider, titanium cube, ...) using a string or a int? It's useful for inter-bot communication.
For example:

`
extern void object::run() {
object target = radar(Titanium);
string targetID = target.id;

//from somewhere else
object titanium = getObjectByID(targetID);
//Now 'titanium' should be equal to 'target'

}
`
@tomangelo2
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tomangelo2 commented Jul 7, 2018 •
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You can get an object with known ID with object item = retobject(something.id); function.

@amreo
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amreo commented Jul 7, 2018

The object::id is not documented: http://colobot.info/SatComOnline/master/cbot/object

@tomangelo2
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tomangelo2 commented Jul 7, 2018 •
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That's a good catch. Object.id should definitely be listed there.
[edited: misunderstanding from my side. Sorry about that.]

@krzys-h
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krzys-h commented Aug 5, 2018

I'm almost sure there was already a report of this being undocumented somewhere, how is that not fixed yet

@krzys-h krzys-h added the SatCom label Aug 5, 2018
@krzys-h krzys-h changed the title GetObjectByID in CBOT object.id is undocumented Aug 5, 2018
@krzys-h
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krzys-h commented Aug 5, 2018

And @tomangelo2 it's retobjectbyid(), normal retobject uses different ids for backwards compatibility (because retobject can't return nulls other than at the end of the object list)

@krzys-h krzys-h changed the title object.id is undocumented object.id and retobjectbyid() are undocumented Aug 5, 2018
@hexagonrecursion hexagonrecursion linked a pull request Dec 28, 2024 that will close this issue
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Document object.id and retobjectbyid() hexagonrecursion/colobot-data
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@krzys-h @tomangelo2 @amreo