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Stowslee
Wanderer
Joined: 20 Apr 2008
Posts: 69
Location: Watervliet, NY
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 Posted: Sat Oct 01, 2011 4:24 pm
Addition in Database Records
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I am trying to increment values within a database variable each time a specific trigger fires. I've tried everything I can think of to get the values inside to change, however I always end up with either a static value of 1.
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<trigger priority="22770" id="2277">
<pattern>^You have slain (*).</pattern>
<value>#ADDKEY slain {%1} %eval( %db( @slain, "%1")+1)</value>
</trigger>
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I am sure it is something simple I am missing, but can't for the life of me figure out what it is. |
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Daern
Sorcerer
Joined: 15 Apr 2011
Posts: 809
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Posted: Sat Oct 01, 2011 5:45 pm
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You'll want to take %1 out of quotes. In CMUD, whenever you put something in quotes it interprets it as a string literal, so it's actually looking for the key %1 in your database, not the contents of %1, and obviously that doesn't exist so it's adding 1 to null. See this page from the Changes for zMUD users section of the CMUD manual for more info. Also, you can get rid of the %eval - in general, putting expressions in parentheses is enough to evaluate them in CMUD (more info here). So the corrected code would be:
| Code: |
<trigger priority="22770" id="2277">
<pattern>^You have slain (*).</pattern>
<value>#ADDKEY slain {%1} (%db( @slain, %1)+1)</value>
</trigger> |
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Stowslee
Wanderer
Joined: 20 Apr 2008
Posts: 69
Location: Watervliet, NY
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Posted: Sun Oct 02, 2011 3:24 am
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Works perfectly now, this answers a lot of questions about some various bugs I had when switching over to CMud.
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