// IW6 GSC SOURCE
// Generated by https://github.com/xensik/gsc-tool

mammoth_level_init()
{
    if ( !isdefined( level.alien_funcs ) )
        level.alien_funcs = [];

    level.alien_funcs["mammoth"]["approach"] = ::mammoth_approach;
    level.alien_funcs["mammoth"]["combat"] = maps\mp\agents\alien\_alien_think::default_alien_combat;
    level.alien_funcs["mammoth"]["badpath"] = ::handle_badpath;
    level.donotburrowvolumes = getentarray( "donotburrow", "targetname" );
}

mammoth_init()
{
    self.last_charge_time = gettime();
    self.lastattacktime = gettime();
    self.fissurespawntimeout = get_fissure_spawn_timeout();
    self.burrowtimeout = get_burrow_timeout();
    self.currentphase = 0;
    self.canburrow = 1;
    self.canfissurespawn = 0;
    self.elite_angered = 1;
    self.burrowing = 0;
    self.lastburrowattacktime = gettime();
    self.lastfissurespawntime = gettime() + int( self.fissurespawntimeout * 0.5 );
    maps\mp\agents\alien\_alien_think::set_alien_movemode( "walk" );
    self.fissurespawnlocs = [];
    self.cannothypno = 1;
    thread watch_for_immediate_abilities();
}

get_fissure_spawn_timeout()
{
    switch ( level.players.size )
    {
        case 1:
            return 20000;
        case 2:
            return 20000;
        case 3:
            return 20000;
        case 4:
            return 20000;
    }
}

get_burrow_timeout()
{
    switch ( level.players.size )
    {
        case 1:
            return 15000;
        case 2:
            return 15000;
        case 3:
            return 15000;
        case 4:
            return 15000;
    }
}

get_default_fissure_spawns()
{
    switch ( level.players.size )
    {
        case 1:
            return 1;
        case 2:
            return 1;
        case 3:
            return 2;
        case 4:
            return 2;
    }
}

burrow_attack( var_0 )
{
    self.melee_type = "burrow";
    maps\mp\agents\alien\_alien_think::alien_melee( var_0 );
}

burrow( var_0 )
{
    level notify( "dlc_vo_notify", "warn_dig", self );
    thread burrow_fx();

    if ( isdefined( self.burrow_now ) && self.burrow_now )
        self.burrow_now = undefined;

    self.lastburrowattacktime = gettime();
    self.burrowing = 1;
    self.last_burrow_location = self.origin;
    self.last_burrow_angles = self.angles;
    self scragentsetphysicsmode( "noclip" );
    maps\mp\agents\_scriptedagents::playanimnuntilnotetrack( "burrow", 0, "burrow", "end", ::handleburrownotes );
    self hide();
    level notify( "dlc_vo_notify", "warn_underground", self );
    wait( randomfloatrange( 2.0, 6.0 ) );
    var_1 = self getanimentry( "burrow", 1 );
    var_2 = getanimlength( var_1 );
    var_3 = getmovedelta( var_1, 0.0, 1.0 );
    var_4 = get_valid_burrow_emerge_location( self.enemy );

    if ( isalive( self.enemy ) )
    {
        var_5 = self.enemy.origin;
        var_6 = vectortoangles( var_5 - var_4 );
    }
    else if ( isdefined( self.emerge_angles ) )
        var_6 = self.emerge_angles;
    else
        var_6 = self.last_burrow_angles;

    self scragentsetorientmode( "face angle abs", var_6 );
    var_3 = rotatevector( var_3, var_6 );
    var_7 = var_4 - var_3;
    self setorigin( var_7, 0 );
    wait 0.1;
    level notify( "dlc_vo_notify", "warn_emerge", self );
    self show();
    maps\mp\agents\_scriptedagents::playanimnuntilnotetrack( "burrow", 1, "burrow", "end", ::handleburrownotes );
    self.lastattacktime = gettime();
    self.burrowing = 0;
}

burrow_fx()
{
    playfx( level._effect["mammoth_burrow"], self.origin + ( 0, 0, 0 ) );
}

handleburrownotes( var_0, var_1, var_2, var_3 )
{
    switch ( var_0 )
    {
        case "burrow_note":
            break;
    }
}

get_valid_burrow_emerge_location( var_0 )
{
    self endon( "death" );
    var_1 = 56;
    var_2 = 356;
    var_3 = 512;
    var_4 = undefined;

    if ( isalive( var_0 ) && !is_enemy_vanguard( var_0 ) )
    {
        var_4 = find_emerge_node( var_0, var_1, var_2 );

        if ( !isdefined( var_4 ) )
            var_4 = find_emerge_node( var_0, var_2, var_3 );
    }

    if ( !isdefined( var_4 ) )
    {
        wait 0.05;
        var_4 = find_emerge_node( self, var_1, var_3 );

        if ( !isdefined( var_4 ) )
        {
            self.emerge_angles = undefined;
            return self.last_burrow_location;
        }
    }

    self.emerge_angles = var_4.angles;
    return var_4.origin;
}

find_emerge_node( var_0, var_1, var_2 )
{
    var_3 = getnodesinradiussorted( var_0.origin, var_2, var_1 );
    var_4 = undefined;

    foreach ( var_6 in var_3 )
    {
        if ( maps\mp\alien\_utility::is_normal_upright( anglestoup( var_6.angles ) ) )
        {
            if ( getpathdist( var_6.origin, var_0.origin, 256 ) != -1 )
            {
                var_4 = var_6;
                break;
            }
        }

        wait 0.05;
    }

    return var_4;
}

mammoth_approach( var_0, var_1 )
{
    if ( distancesquared( var_0.origin, self.origin ) > 250000 )
        mammoth_approach_enemy( 500, var_0 );

    for (;;)
    {
        if ( !self.burrowing )
        {
            if ( should_do_fissure_spawn() )
                return "fissure_spawn";

            if ( should_do_new_phase() )
                return "mammoth_angered";
            else if ( should_burrow( var_0 ) )
                return "burrow";
            else if ( maps\mp\agents\alien\_alien_elite::can_do_charge_attack( var_0 ) )
                return "charge";
            else if ( maps\mp\agents\alien\_alien_elite::run_to_slam( var_0 ) )
                return "slam";
        }

        wait 0.05;
    }
}

mammoth_approach_enemy( var_0, var_1 )
{
    self endon( "stop_mammoth_approach" );
    thread watch_for_immediate_abilities();
    maps\mp\agents\alien\_alien_think::run_near_enemy( var_0, var_1 );
    self notify( "stop_mammoth_approach" );
}

should_burrow( var_0 )
{
    if ( isdefined( self.burrow_now ) && self.burrow_now )
        return 1;

    if ( is_enemy_vanguard( var_0 ) )
        return 0;

    if ( !self.canburrow )
        return 0;

    if ( !self isonground() )
        return 0;

    foreach ( var_2 in level.donotburrowvolumes )
    {
        if ( ispointinvolume( self.origin, var_2 ) )
            return 0;
    }

    var_4 = 0;

    if ( distancesquared( self.origin, var_0.origin ) > 262144.0 )
        var_4 = 1;
    else if ( attack_timer_expired() || burrow_timer_expired() )
        var_4 = 1;

    return var_4 && has_room_to_burrow();
}

is_enemy_vanguard( var_0 )
{
    return isdefined( var_0.helitype ) && var_0.helitype == "remote_uav";
}

has_room_to_burrow()
{
    var_0 = maps\mp\agents\_scriptedagents::droppostoground( self.origin + anglestoforward( self.angles ) * 48.0 );
    return isdefined( var_0 );
}

attack_timer_expired()
{
    if ( gettime() - self.lastattacktime > 10000 )
        return 1;

    return 0;
}

burrow_timer_expired()
{
    if ( gettime() - self.lastburrowattacktime > self.burrowtimeout )
        return 1;

    return 0;
}

should_do_new_phase()
{
    var_0 = [ 0.85, 0.5, 0.25 ];

    if ( self.currentphase >= var_0.size - 1 )
        return 0;

    if ( self.health / self.maxhealth > var_0[self.currentphase] )
        return 0;

    return 1;
}

should_do_fissure_spawn( var_0 )
{
    if ( !self.canfissurespawn )
        return 0;

    if ( !fissure_spawn_timer_expired() )
        return 0;

    if ( !fissure_spawn_find_spawn_loc() )
        return 0;

    return 1;
}

fissure_spawn_timer_expired()
{
    if ( gettime() - self.lastfissurespawntime > self.fissurespawntimeout )
        return 1;

    return 0;
}

fissure_spawn_find_spawn_loc()
{
    var_0 = anglestoforward( self.angles );
    var_1 = anglestoright( self.angles );
    self.fissurespawnlocs = [];
    var_2 = self.origin + var_0 * 56.0;
    var_2 = maps\mp\agents\_scriptedagents::droppostoground( var_2 );

    if ( isdefined( var_2 ) && maps\mp\agents\_scriptedagents::canmovepointtopoint( self.origin, var_2, 12.0 ) )
        self.fissurespawnlocs[self.fissurespawnlocs.size] = var_2;

    var_3 = self.origin + var_1 * 56.0;
    var_3 = maps\mp\agents\_scriptedagents::droppostoground( var_3 );

    if ( isdefined( var_3 ) && maps\mp\agents\_scriptedagents::canmovepointtopoint( self.origin, var_3, 12.0 ) )
        self.fissurespawnlocs[self.fissurespawnlocs.size] = var_3;

    var_4 = self.origin + var_1 * -56.0;
    var_4 = maps\mp\agents\_scriptedagents::droppostoground( var_4 );

    if ( isdefined( var_4 ) && maps\mp\agents\_scriptedagents::canmovepointtopoint( self.origin, var_4, 12.0 ) )
        self.fissurespawnlocs[self.fissurespawnlocs.size] = var_4;

    if ( self.fissurespawnlocs.size > 0 )
        return 1;

    return 0;
}

fissure_spawn_attack( var_0 )
{
    self.melee_type = "fissure_spawn";
    self.numfissurespawns = get_default_fissure_spawns();
    maps\mp\agents\alien\_alien_think::alien_melee( var_0 );
}

release_reserved_space_on_death()
{
    self waittill( "death" );

    if ( isdefined( self.reserved_space ) && self.reserved_space > 0 )
        maps\mp\alien\_spawn_director::release_custom_spawn_space( self.reserved_space );
}

fissure_spawn( var_0 )
{
    self endon( "death" );
    self.reserved_space = int( maps\mp\alien\_spawn_director::reserve_custom_spawn_space( self.numfissurespawns, 1 ) );
    thread release_reserved_space_on_death();
    self.lastfissurespawntime = gettime();

    while ( self.reserved_space > 0 )
    {
        var_1 = min( self.reserved_space, self.fissurespawnlocs.size );
        do_fissure_spawn( var_1, self.fissurespawnlocs );
    }

    if ( self.reserved_space > 0 )
    {
        maps\mp\alien\_spawn_director::release_custom_spawn_space( self.reserved_space );
        self.reserved_space = 0;
    }
}

do_fissure_spawn( var_0, var_1 )
{
    maps\mp\agents\_scriptedagents::playanimnuntilnotetrack( "attack_melee_swipe", 2, "attack_melee", "alien_slam_big" );
    var_2 = level.alien_types[self.alien_type].attributes["slam_min_damage"];
    var_3 = level.alien_types[self.alien_type].attributes["slam_max_damage"];
    maps\mp\agents\alien\_alien_elite::area_damage_and_impulse( 250, var_2, var_3, 800 );
    thread process_fissure_spawns( var_0, var_1 );
    maps\mp\agents\_scriptedagents::waituntilnotetrack( "attack_melee", "end" );
    level notify( "dlc_vo_notify", "phantom_backup", self );
}

process_fissure_spawns( var_0, var_1, var_2 )
{
    var_2 = spawnstruct();
    var_2.angles = self.angles;
    var_3 = level.cycle_data.spawn_node_info["chen_test"].vignetteinfo["brute"];
    var_4 = ( 0, 0, -100 );

    for ( var_5 = 0; var_5 < var_0; var_5++ )
    {
        var_6 = var_5 % var_1.size;
        var_2.origin = var_1[var_6] + var_4;
        var_7 = maps\mp\alien\_spawn_director::process_custom_spawn( "brute", var_2, var_3 );
        self.reserved_space--;
        wait( randomfloatrange( 0.01, 0.14 ) );
    }
}

mammoth_angered( var_0 )
{
    self.currentphase++;

    switch ( self.currentphase )
    {
        case 1:
            self.moveplaybackrate = 1.4;
            self.defaultemissive = 0.2;
            self.maxemissive = 0.2;
            maps\mp\alien\_utility::set_alien_emissive_default( 0.2 );
            self.canfissurespawn = 1;
            self.damagescalar = 1.2;
            break;
        case 2:
            self.moveplaybackrate = 1.2;
            self.defaultemissive = 1.0;
            self.maxemissive = 1.0;
            maps\mp\alien\_utility::set_alien_emissive_default( 0.2 );
            self.damagescalar = 1.4;
            maps\mp\agents\alien\_alien_think::set_alien_movemode( "run" );
            break;
        default:
    }

    self scragentsetanimmode( "anim deltas" );
    self scragentsetorientmode( "face angle abs", self.angles );
    maps\mp\agents\_scriptedagents::playanimnatrateuntilnotetrack( "prepare_to_regen", 0, 2.0, "prepare_to_regen", "end" );
    fissure_spawn_angered( var_0 );
}

fissure_spawn_angered( var_0 )
{
    self.numfissurespawns = get_default_fissure_spawns() * 2;

    if ( !fissure_spawn_find_spawn_loc() )
        self.fissurespawnlocs[self.fissurespawnlocs.size] = self.origin;

    fissure_spawn( var_0 );
}

mammoth_angered_attack( var_0 )
{
    self.melee_type = "mammoth_angered";
    maps\mp\agents\alien\_alien_think::alien_melee( var_0 );
}

handle_badpath( var_0 )
{
    self.badpath = 0;

    if ( self.badpathcount > 3 )
    {
        if ( has_room_to_burrow() && !is_enemy_vanguard( var_0 ) )
        {
            self.badpathcount = 0;
            self.burrow_now = 1;
            self notify( "alien_main_loop_restart" );
        }
        else
            maps\mp\agents\alien\_alien_think::handle_badpath( var_0 );
    }
}

watch_for_immediate_abilities()
{
    self endon( "death" );
    self endon( "stop_mammoth_approach" );

    for (;;)
    {
        if ( fissure_spawn_timer_expired() || should_do_new_phase() || isdefined( self.enemy ) && should_burrow( self.enemy ) )
        {
            self notify( "stop_mammoth_approach" );
            return;
        }

        wait 1.0;
    }
}