LlAvatarOnSitTarget

Function: key llAvatarOnSitTarget( );

Returns a key that is the UUID of the user seated on the prim.
If the prim lacks a sit target or there is no avatar sitting on the prim, then NULL_KEY is returned.

Caveats • A prim does not have a sit target unless llSitTarget has been called with a nonzero vector as the first argument.
• If the prim lacks a sit target or the avatar is seated upon a different prim, the only way to determine how many and which avatars are seated upon the object is to scan the link set (for an example of this, see llGetNumberOfPrims).

Examples

default {

   state_entry()
   {
       // set sit target, otherwise this will not work 
       llSitTarget(<0.0, 0.0, 0.1>, ZERO_ROTATION);
   }

   changed(integer change) {
       if (change & CHANGED_LINK) { 
           key av = llAvatarOnSitTarget();
           if (av) {//evaluated as true if not NULL_KEY or invalid
               llSay(0, "Hello " + llKey2Name(av) + ", thank you for sitting down");
           }
       }
   }

} </source>

Useful Snippets

//Gets the link number of a seated avatar integer GetAgentLinkNumber(key avatar) {

   integer linkNum = 1 + llGetNumberOfPrims();
   key linkKey;
   //Next we get the linkKey and make sure it's not null, if it's null we are done.
   while((linkKey = llGetLinkKey( --linkNum )))//is the key valid?
       if(avatar == linkKey)//is it the avatar we want?
           return linkNum;//It's the avatar we want so return.
   //avatar wasn't not found
   //return a number that isn't a LINK_* flag not a valid link number either.
   return 0x7FFFFFFF;//max int.

}//Written by Strife Onizuka </source>

Notes The position of an avatar on a sit target can be determined with the use of llGetObjectDetails (see llSitTarget for an example).

See Also
Events
• changed
Functions
• llSitTarget
• llGetLinkKey
Articles
• CHANGED_LINK