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marblevolcanoduel
Newbie
Joined: 09 Apr 2016
Posts: 3
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 Posted: Thu Apr 14, 2016 8:56 pm
Help creating an alias to display variables
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Hi, I play a mud that doesn't assign numbers to skill levels. Instead it uses words, so I keep track of the level of each individual skill with a variable. When the skill goes up in level, I have a trigger to {#ad skill 1;#show @skill}. All of these variables are kept in a class folder.
What I'm trying to do is display all of these variables at once, in order. I made a really basic alias that's like -
{displayskill} {#say %1;#show @%1}
and it works great for individual variables. But I want to display the entire class, in order, from lowest number to highest number, in this fashion. I thought about making a long alias like {displayskill swordfighting;displayskill climbing etc.} for every variable, but that would be a lengthy process, and wouldn't keep the numbers in order. I'm sure there's an easier way to do this, if you could help at all that'd be great. Thanks! |
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shalimar
GURU
Joined: 04 Aug 2002
Posts: 4671
Location: Pensacola, FL, USA
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Posted: Fri Apr 15, 2016 1:31 am
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Well, with the set up you have now, that long way may be your best option.
However, if you were to update your skill tracker to use a variable database, it would be much easier.
You could make do with a variable list of all the various skills to be referenced by the alias.
#FORALL @skillList {#SAY %i;#SHOW @%i} |
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Vijilante
SubAdmin
Joined: 18 Nov 2001
Posts: 5182
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Posted: Sat Apr 16, 2016 7:25 am
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Converting to a record variable would be best, especially since you would need one in order to do the sorted display you want. Here is a hastily written alias to display the variable. You might modify it to do the conversion for you, see #ADDKEY.
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#ALIAS ListClassVars {
#LOOP %session.NumVars {
$var=%session.VarNum(%i)
#IF ($var.ClassName==%1) {#SHOW {%concat($var.Name," = ",$var.Value)}}
}
} |
For more information on how it works read Predefined Variables and zMud as a COM Server
When you have it in a record variable it would look something like:
skill1=12|skill2=8|skill3=19|skill4=8
And you are saying you want to sort by the values portion. The easiest way to do that is to reverse the value and key positions in the variable:
recVar=%subregex(@recVar,"([^=|]+)(?:=([^|]*))?(?=\||\Z)", "%rightback(%concat(""0000"",\2),4)=\1")
Assuming I wrote all of it correctly that would convert my above example to:
0012=skill1|0008=skill2|0019=skill3|0008=skill4
You can then use %sort to get the ordering you want and #SHOWDB or #LOOPDB to produce the display you want. |
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shalimar
GURU
Joined: 04 Aug 2002
Posts: 4671
Location: Pensacola, FL, USA
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Posted: Sat Apr 16, 2016 2:16 pm
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You are not accounting for the chance that two skills might share the same current value.
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Discord: Shalimarwildcat |
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Vijilante
SubAdmin
Joined: 18 Nov 2001
Posts: 5182
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Posted: Sun Apr 17, 2016 5:21 am
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I used %subregex to swap the key=value to value=key on the string representation of the record variable, it is a low level hack. You can have multiples of the same key; #ADDKEY doesn't allow it but it does work, and which of the values gets returned by %db or dot notation is undefined. None of those are a problem for this usage since %sort doesn't actually know record variables, and #LOOPDB or #SHOWDB will be working with all records sequentially.
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