The osrs_ott script is used by the Open Source Rule Set to handle the OnTrapTriggered event. The content of the script is the following.
///////////////////////////////////////////////////////////////////////////// // // file: // osrs_ott // // purpose: // OnTrapTriggered event script. // ///////////////////////////////////////////////////////////////////////////// // the include file for Open Source Rule Set events #include "osrs_inc" ///////////////////////////////////////////////////////////////////////////// void main() { // determine what type of object is calling this script int iCallingClass = osrs_GetCallerEventClass(OBJECT_SELF); switch(iCallingClass) { case I_OSRS_EVENT_CLASS_TRAP: // Trap::OnTrapTriggered Pre-event if (!osrs_tra_ott_pre()) { return; } // Trap::OnTrapTriggered event if (!osrs_tra_ott()) { return; } // Trap::OnTrapTriggered post-event osrs_tra_ott_post(); break; } }