Second Life/Selfreplication

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// The ttl variable is a counter, decreased for each subsequent replication,
// the child that get rezzed with a ttl value of zero will not procreate.

integer ttl = 3;


rez_child()
{
   // Check if we're allowed to create any more offspring
   if(ttl > 0)
   {
       // Offspring ttl should be one closer to zero
       integer ttl_child = ttl - 1;
       // Rez child one meter above me
       llRezObject("1000er", llGetPos()+<0,0,1>, <0,0,0>, <0,0,0,0>, ttl_child);
   }
}
default
{
   // If you touch me, we'll have babies!
   touch_start(integer total_number)
   {
       rez_child();
   }

   // llRezObject throws event object_rez on the parent with the offspring as parameter   
   object_rez(key child) 
   { 
       // Give copy of child to child
       llGiveInventory(child, llKey2Name(child)); 
   } 
   
   // When rezzed, the event on_rez is called on me as the child
   on_rez(integer ttl_in)
   {
       // Save child (this one) ttl;
       ttl = ttl_in;
   }
   // Because of the script-delay we have to connect the grand-child rezzing 
   // to the 'changed' event, which happens when someone (the parent) has
   // given me (as the child) something (a copy of myself)
   changed(integer change)
   {
       if(change == CHANGED_INVENTORY)
       {
           rez_child();        
       }
   }
}