function scr_monster_makeinstance(arg0)
{
    global.monster[arg0] = 1;
    with (global.monsterinstance[arg0])
        instance_destroy();
    global.monsterinstance[arg0] = instance_create(global.monstermakex[arg0], global.monstermakey[arg0], global.monsterinstancetype[arg0]);
    global.monsterinstance[arg0].myself = arg0;
    with (global.monsterinstance[arg0])
        event_user(12);
    with (global.monsterinstance[arg0])
        event_user(15);
}