c_trace

var  scanning;
TEXT* scanning_txt =
{
       string("[E] druecken]");
}

function got_scanned()
{
//scanning= c_trace (player.x,my.x,IGNORE_ME|IGNORE_PASSABLE);
       while (event_type == EVENT_SCAN && scanning=1)
       {
 set (scanning_txt, VISIBLE);
               wait (1);}
       reset (scanning_txt, VISIBLE);
}

action my_entity() // attach this action to your entities
{
scanning= c_trace (player.x,my.x,IGNORE_ME|IGNORE_PASSABLE);
       my.emask |= ENABLE_SCAN; // make the entity sensitive to scanning
       my.event = got_scanned;
}