// ported from AMXX's core get_user_origin(..., 3) (suggested by Greenberet)
stock fm_get_aim_origin(index, Float:origin[3]) {
   new Float:start[3], Float:view_ofs[3];
   pev(index, pev_origin, start);
   pev(index, pev_view_ofs, view_ofs);
   xs_vec_add(start, view_ofs, start);

   new Float:dest[3];
   pev(index, pev_v_angle, dest);
   engfunc(EngFunc_MakeVectors, dest);
   global_get(glb_v_forward, dest);
   xs_vec_mul_scalar(dest, 9999.0, dest);
   xs_vec_add(start, dest, dest);

   engfunc(EngFunc_TraceLine, start, dest, 0, index, 0);
   get_tr2(0, TR_vecEndPos, origin);

   return 1;
}