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➜ MUSHclient
➜ General
➜ Super Basic Math Issue
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Posted by
| Magellan
(15 posts) Bio
|
Date
| Mon 26 Jun 2017 03:00 AM (UTC) |
Message
| getting frustrated here. i'm new to mushclient, and have exclusively used zmud for close to (holy crap) 20 years. in zmud what i would do is #math @variable+1 and get the results i want.
Basically what i need is the likely super basic coding for how to add 1 to a variable.
EVENT 1: Variable+1
EVENT 2: Variable+1
EVENT 3: Variable-1
each event would be it's own separate trigger.
I've been searching the forum's and can't seem to find a topic that mirrors what i need enough for me to understand fully what i need to do to implement it. Thanks in advance. | Top |
|
Posted by
| Magellan
(15 posts) Bio
|
Date
| Reply #1 on Mon 26 Jun 2017 04:25 AM (UTC) |
Message
| SetVariable ("Variable", "@Variable"+1)
i knew it was simple. | Top |
|
Posted by
| Nick Gammon
Australia (23,133 posts) Bio
Forum Administrator |
Date
| Reply #2 on Mon 26 Jun 2017 04:39 AM (UTC) |
Message
| An alternative is to get the variable, convert it to a number, and add 1, like this:
SetVariable ("foo", tonumber (GetVariable ("foo")) + 1)
Your method of expanding the variable like @foo won't work if you have changed that variable in the same trigger, because substitution of variables is done before the script starts running. |
- Nick Gammon
www.gammon.com.au, www.mushclient.com | Top |
|
Posted by
| Fiendish
USA (2,534 posts) Bio
Global Moderator |
Date
| Reply #3 on Mon 26 Jun 2017 07:23 AM (UTC) |
Message
|
Quote: substitution of variables is done before the script starts running.
Pre-process substitution is something that some of us have kinda internalized over the years, but is there a document describing when different bits of a script happen (immediate send block vs script function call vs @variable expansion vs xml processing, etc)? If not I think I'll put one together. |
https://github.com/fiendish/aardwolfclientpackage | Top |
|
Posted by
| Nick Gammon
Australia (23,133 posts) Bio
Forum Administrator |
Date
| Reply #4 on Mon 26 Jun 2017 10:19 PM (UTC) Amended on Mon 26 Jun 2017 10:20 PM (UTC) by Nick Gammon
|
Message
| I did a video about using variables:
http://www.gammon.com.au/forum/?id=10863
If you just want to add one to a variable in this session (rather than to be remembered forever) then it is simpler to use Lua variables. For example:
-- make sure variable exists initially
if mobsKilled == nil then
mobsKilled = 0
end -- if
mobsKilled = mobsKilled + 1
You can do that in "send to script" in a trigger, with Lua as the scripting language.
Alternatively (although it is a bit more obscure):
mobsKilled = (mobsKilled or 0) + 1
|
- Nick Gammon
www.gammon.com.au, www.mushclient.com | Top |
|
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