llGetNumberOfPrims

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/LSL

GetNumberOfPrims

llGetNumberOfPrims

Summary

Function: integer llGetNumberOfPrims( );

275	Function ID
0.0	Forced Delay
10.0	Energy

Returns an integer that is the number of prims in a link set the script is attached to.

Caveats

• The number of prims returned also includes the number of avatars sitting on the object.

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Examples

<lsl>default {

   state_entry()
   {
       llOwnerSay((string)llGetLinkNumber());
       llOwnerSay((string)llGetNumberOfPrims());
   }

}</lsl>

Useful Snippets

<lsl> // Returns the number of prims in the object, ignoring seated avatars integer GetNumberOfPrims() {

   if (llGetAttached())
   {
       // llGetObjectPrimCount fails on attachments, but you can't sit on an attachment
       return llGetNumberOfPrims();
   }
   return llGetObjectPrimCount(llGetKey());

}

//-- inline version of the above (llGetObjectPrimCount( llGetKey() ) + llGetNumberOfPrims() * !!llGetAttached())

// Returns the number of agents on the object integer GetNumberOfAgents() {

   return llGetNumberOfPrims() - GetNumberOfPrims();

}

//-- inline version of the previous ((llGetNumberOfPrims() - llGetObjectPrimCount( llGetKey() )) * !llGetAttached()) </lsl> This method uses a loop, it is less efficient and only included for completeness. It's more efficient to ask the physics engine (via llGetObjectPrimCount) how many prims are in the object. This only works if the object is not attached, but fortunately, in that situation you can use llGetNumberOfPrims since avatars cannot sit on attachments (the feature was removed during beta). <lsl> // determine the number of prims in linkset integer getNumberOfPrims() {

   integer maxLinkNumber = llGetNumberOfPrims();
   // subtract seated avatars
   while( llGetAgentSize( llGetLinkKey(maxLinkNumber) ) ) {
       --maxLinkNumber;
   }
   return maxLinkNumber;

} // END getNumberOfPrims() </lsl>

See Also

Functions

•	llGetObjectPrimCount	–	Returns the number of prims in any object.
•	llGetLinkNumber	–	Returns the link number of the prim the script is in.

Deep Notes

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Signature
function integer llGetNumberOfPrims();