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How to use CallPlugin with gmcpval

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Posted by Whininguser   Canada  (28 posts)  [Biography] bio
Date Thu 17 Nov 2011 12:43 AM (UTC)  [ quote  ]

Amended on Thu 17 Nov 2011 12:56 AM (UTC) by Whininguser

Message
The client I'm using is right on Aardwolf's homepage.

If I ran this:

print(CallPlugin("3e7dedbe37e44942dd46d264","gmcpval","char.vitals.hp"))

The output would be 0 100, and 100 is my hp. But how can I store this 100 in a script that's not a plugin? I tried doing s = (CallPlugin...) and print(s), and it simply printed 0.

Thanks for any help.
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Posted by Fiendish   USA  (848 posts)  [Biography] bio   Global Moderator
Date Reply #1 on Thu 17 Nov 2011 02:29 AM (UTC)  [ quote  ]

Amended on Thu 17 Nov 2011 02:52 PM (UTC) by Fiendish

Message
instead of s = (CallPlugin...) do
err,s = CallPlugin...
to get the second returned value put into s instead of the first.
http://aardwolfclientpackage.googlecode.com/
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Posted by Whininguser   Canada  (28 posts)  [Biography] bio
Date Reply #2 on Thu 17 Nov 2011 03:42 AM (UTC)  [ quote  ]

Amended on Thu 17 Nov 2011 04:13 AM (UTC) by Whininguser

Message
I hardly know any Lua, so could you elaborate?

I just tried

err,s = (CallPlugin("3e7dedbe37e44942dd46d264","gmcpval","char.vitals.hp"))

and print(s) showed nil.

I must be doing something wrong, but I have no idea what it is. More help please.
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Posted by Nick Gammon   Australia  (18,770 posts)  [Biography] bio   Forum Administrator
Date Reply #3 on Thu 17 Nov 2011 04:28 AM (UTC)  [ quote  ]
Message
Lose the brackets around CallPlugin. That forces Lua to throw away all returned values except the first. For example:


function foo ()
  return 1, 2
end 

a, b = foo ()

print (a, b)   --> prints: 1, 2

a, b = (foo ())

print (a, b)   --> prints: 1, nil

- Nick Gammon

www.gammon.com.au, www.mushclient.com
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Posted by Whininguser   Canada  (28 posts)  [Biography] bio
Date Reply #4 on Thu 17 Nov 2011 04:33 AM (UTC)  [ quote  ]
Message
Got it. Thanks guys.
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