The Scripting troubleshooting thread

[qox]

This should be a thread for the troubleshooting and documentation of errors in the logfile.

For exampe i try currently to treat cue'es as functions, so i thought that i wite a cue and call it.
The problem is that i can call it only one time with

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<signal_cue_instantly cue="md.Test000.createShips" param="[true, 10, faction.xenon, class.ship_s, [tag.military]]"/>

if i do it a secound time this apears in the log file

Signalled cue has no corresponding listeners

Why?

(btw, i tried to chain cues together but i have problems with reading/storing a result from one cue for the next

[Mad_Joker]

Make sure, the cue is set as

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instantiate="true"

Also, if you ever want to return values from a cue, what I usually do is something like this:

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<cue name="CallingCue" instantiate="true" namespace="this">
  <conditions>
    <!-- Whatever conditions you have -->
  </conditions>
  <actions>
    <!-- Call cue with 'this' as first parameter, then the rest -->
    <signal_cue_instantly cue="CalledCue" param="[this,5]" />
        
    <!-- Here, we can now read the return value -->
    <set_value name="$iValue" exact="$oCue.$aReturn.{1}" />
        
    <!-- This is optional, but I like to remove the return value if I don't need it anymore -->
    <remove_value name="$oCue.$aReturn" />
        
    <!-- This will print 15 in the debug log -->
    <debug_text text="'Result: %1'.[$iValue]" filter="error"/>
  </actions>
</cue>

<cue name="CalledCue" instantiate="true" namespace="this">
  <conditions>
    <event_cue_signalled />
  </conditions>
  <actions>
    <set_value name="$oCue" exact="event.param.{1}" />
        
    <!-- Do whatever compuation you need -->
    <set_value name="$iValue" exact="event.param.{2} + 10" />
      
    <!-- Then, we place the result in the calling cue -->
    <set_value name="$oCue.$aReturn" exact="[$iValue]" />
  </actions>
</cue>

Hafe vun!

[wysiwyg]

Mad Joker beat me to it but just in case you haven't found this yet it explains instantiation very well:

X Rebirth Mission Director Guide

Some other good stuff in here too to get you up to speed.

[qox]

thank you so far, mad jokers explaination helped me a lot.

The thing with the instancing is understandable but the connection with the cue calling and the weird error message was beyond me.