b5-3 and b5-4 level scripts

/////// b5-3.sgs ///////
include "b5-common";

function LevelEnd()
{
    level.nextLevel = "b5-4";
}

function HelpText_Enemies()
{
    level.helptext.SetText( "Defeat enemies or sneak past them!\nPress #a(shoot) to shoot!", 1, 3 );
}

function Enemy1_Behavior(E)
{
    for(;;)
    {
        E.i_speed = 0.4;
        E.patrol
        ([
            { action = "moveauto", pos = level.positions.room1a },
            { action = "wait", time = 3 },
            { action = "moveauto", pos = level.positions.room1b },
            { action = "wait", time = 3 },
        ]);
        E.fighter_behavior_1();
    }
}

function onLevelStart()
{
    level.CreateEntity( "TPSPlayer" ).
    {
        position = level.positions.player_start,
        viewDir = vec3(-1,0,0),
    };
    level.FindEntity( "trig_end" ).SetupTrigger( true, LevelEnd );
    level.FindEntity( "trig_tip_enemies" ).SetupTrigger( -1, HelpText_Enemies );
    level.FindEntity( "enemy1" ).func = Enemy1_Behavior;
}

/////// b5-4.sgs ///////
include "b5-common";

function LevelEnd()
{
    // level.nextLevel = "b5-5";
}

function Plat1_Behavior()
{
    plat = level.FindEntity( "plat1" );
    for(;;)
    {
        plat.Open();
        sync( plat.ev_finished );
        yield 1;
        plat.Close();
        sync( plat.ev_finished );
        yield 1;
    }
}

function onLevelStart()
{
    level.CreateEntity( "TPSPlayer" ).
    {
        position = level.positions.player_start,
        viewDir = vec3(0,-1,0),
    };
    level.FindEntity( "trig_end" ).SetupTrigger( true, LevelEnd );
    thread Plat1_Behavior();
}