_siegebot.gsc

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// ----------------------------------------------------------------------------
// #using
// ----------------------------------------------------------------------------
#using scripts\codescripts\struct;
 
#using scripts\shared\gameskill_shared;
#using scripts\shared\math_shared;
#using scripts\shared\statemachine_shared;
#using scripts\shared\system_shared;
#using scripts\shared\array_shared;
#using scripts\shared\util_shared;
 
#using scripts\shared\vehicle_shared;
#using scripts\shared\vehicle_death_shared;
#using scripts\shared\vehicle_ai_shared;
 
#using scripts\shared\ai\systems\blackboard;
#using scripts\shared\ai\blackboard_vehicle;
 
#using scripts\shared\turret_shared;
#using scripts\shared\weapons\_spike_charge_siegebot;
#insert scripts\shared\shared.gsh;
#insert scripts\shared\statemachine.gsh;
#insert scripts\shared\archetype_shared\archetype_shared.gsh;
 
#insert scripts\shared\ai\utility.gsh;
 
#define JUMP_COOLDOWN 7
#define DEBUG_ON false
 
#namespace siegebot;
 
‪REGISTER_SYSTEM( "siegebot", &‪__init__, undefined )
 
#using_animtree( "generic" );
 
function ‪__init__()
{   
    vehicle::add_main_callback( "siegebot", &‪siegebot_initialize );
}
 
function ‪siegebot_initialize()
{
    self useanimtree( #animtree );
    
    ‪blackboard::CreateBlackBoardForEntity( self );
    self ‪Blackboard::RegisterVehicleBlackBoardAttributes();
 
    self.health = self.healthdefault;
 
    self ‪vehicle::friendly_fire_shield();
    
    Target_Set( self, ( 0, 0, 84 ) );
 
    self EnableAimAssist();
    self SetNearGoalNotifyDist( 40 );
    
    self.fovcosine = 0.5; // +/-60 degrees = 120 fov
    self.fovcosinebusy = 0.5;
    self.maxsightdistsqrd = ‪SQR( 10000 );
 
    assert( isdefined( self.scriptbundlesettings ) );
 
    self.settings = ‪struct::get_script_bundle( "vehiclecustomsettings", self.scriptbundlesettings );
 
    self.goalRadius = 9999999;
    self.goalHeight = 5000;
    self SetGoal( self.origin, false, self.goalRadius, self.goalHeight );
    
    self.overrideVehicleDamage = &‪siegebot_callback_damage;
    
    self ‪siegebot_update_difficulty();
    
    self SetGunnerTurretOnTargetRange( 0, self.settings.gunner_turret_on_target_range );
    
    self ASMRequestSubstate( "locomotion@movement" );
    
    if( self.vehicletype === "spawner_enemy_boss_siegebot_zombietron" )
    {
        self ASMSetAnimationRate( 0.5 );
        self HidePart( "tag_turret_canopy_animate" );
        self HidePart( "tag_turret_panel_01_d0" );
        self HidePart( "tag_turret_panel_02_d0" );
        self HidePart( "tag_turret_panel_03_d0" );
        self HidePart( "tag_turret_panel_04_d0" );
        self HidePart( "tag_turret_panel_05_d0" );
    }
    else if( self.vehicletype == "zombietron_veh_siegebot" )
    {
        self ASMSetAnimationRate( 1.429 );
    }
 
    self ‪initJumpStruct();
 
    //disable some cybercom abilities
    if( IsDefined( level.vehicle_initializer_cb ) )
    {
        [[level.vehicle_initializer_cb]]( self );
    }
 
    self.ignoreFireFly = true;
    self.ignoreDecoy = true;
    self ‪vehicle_ai::InitThreatBias();
 
    self thread ‪vehicle_ai::target_hijackers();
 
    if( !SessionModeIsMultiplayerGame() )
        ‪defaultRole();
}
 
 
function ‪siegebot_update_difficulty()
{
    value = ‪gameskill::get_general_difficulty_level();
    
    scale_up = mapfloat( 0, 9, 0.8, 2.0, value );
    scale_down = mapfloat( 0, 9, 1.0, 0.5, value );
    
    self.difficulty_scale_up = scale_up;
    self.difficulty_scale_down = scale_down;
}
 
function ‪defaultRole()
{
    self ‪vehicle_ai::init_state_machine_for_role( "default" );
 
    self ‪vehicle_ai::get_state_callbacks( "combat" ).update_func = &‪state_combat_update;
    self ‪vehicle_ai::get_state_callbacks( "combat" ).exit_func = &‪state_combat_exit;
    
    self ‪vehicle_ai::get_state_callbacks( "driving" ).update_func = &‪siegebot_driving;
 
    self ‪vehicle_ai::get_state_callbacks( "death" ).update_func = &‪state_death_update;
 
    self ‪vehicle_ai::get_state_callbacks( "pain" ).update_func = &‪pain_update;
 
    self ‪vehicle_ai::get_state_callbacks( "emped" ).enter_func = &‪emped_enter;
    self ‪vehicle_ai::get_state_callbacks( "emped" ).update_func = &‪emped_update;
    self ‪vehicle_ai::get_state_callbacks( "emped" ).exit_func = &‪emped_exit;
    self ‪vehicle_ai::get_state_callbacks( "emped" ).reenter_func = &‪emped_reenter;
 
    self ‪vehicle_ai::add_state( "jump",
        &‪state_jump_enter,
        &‪state_jump_update,
        &‪state_jump_exit );
 
    ‪vehicle_ai::add_utility_connection( "combat", "jump", &‪state_jump_can_enter );
    ‪vehicle_ai::add_utility_connection( "jump", "combat" );
 
    self ‪vehicle_ai::add_state( "unaware",
        undefined,
        &‪state_unaware_update,
        undefined );
    // don't use this for now unless we really need it
 
    ‪vehicle_ai::StartInitialState( "combat" );
}
 
// ----------------------------------------------
// State: death
// ----------------------------------------------
function ‪state_death_update( params )
{
    self endon( "death" );  
    self endon( "nodeath_thread" );
 
    // Need to prep the death model
    StreamerModelHint( self.deathmodel, 6 );
 
    death_type = ‪vehicle_ai::get_death_type( params );
    if ( !isdefined( death_type ) )
    {
        params.death_type = "gibbed";
        death_type = params.death_type;
    }
 
    self ‪clean_up_spawned();
 
    self SetTurretSpinning( false );
    self ‪stopMovementAndSetBrake();
 
    self ‪vehicle::set_damage_fx_level( 0 );
    self playsound("veh_quadtank_sparks");
 
    if ( self.vehicletype === "spawner_enemy_boss_siegebot_zombietron" )
    {
        self ASMSetAnimationRate( 1.0 );
    }
 
    self.turretRotScale = 3;
    self SetTurretTargetRelativeAngles( (0,0,0), 0 );
    self SetTurretTargetRelativeAngles( (0,0,0), 1 );
    self SetTurretTargetRelativeAngles( (0,0,0), 2 );
 
    self ASMRequestSubstate( "death@stationary" );
 
    self waittill( "model_swap" ); // give the streamer time to load
    self ‪vehicle_death::set_death_model( self.deathmodel, self.modelswapdelay );
    self ‪vehicle::do_death_dynents();
    self ‪vehicle_death::death_radius_damage();
    
    self waittill( "bodyfall large" );
 
    // falling damage
    self RadiusDamage( self.origin + (0,0,10), self.radius * 0.8, 150, 60, self, "MOD_CRUSH" );
 
    //BadPlace_Box( "", 0, self.origin, 50, "neutral" );
 
    ‪vehicle_ai::waittill_asm_complete( "death@stationary", 3 );
 
    self thread ‪vehicle_death::CleanUp();
    self ‪vehicle_death::FreeWhenSafe();
}
 
// ----------------------------------------------
// State: scripted
// ----------------------------------------------
function ‪siegebot_driving( params )
{
    self thread ‪siegebot_player_fireupdate();
    self thread ‪siegebot_kill_on_tilting();
 
    self ClearTargetEntity();
    self CancelAIMove();
    self ClearVehGoalPos(); 
}
 
function ‪siegebot_kill_on_tilting()
{
    self endon( "death" );
    self endon( "exit_vehicle" );
 
    tileCount = 0;
 
    while( 1 )
    {
        selfup = AnglesToUp( self.angles );
        worldup = ( 0, 0, 1 );
 
        if ( VectorDot( selfup, worldup ) < 0.64 ) // angle diff more than 50 degree
        {
            tileCount += 1;
        }
        else
        {
            tileCount = 0;
        }
 
        if ( tileCount > 20 ) // more than 1 full second
        {
            driver = self GetSeatOccupant( 0 );
            self Kill( self.origin );
        }
 
        ‪WAIT_SERVER_FRAME;
    }
}
 
function ‪siegebot_player_fireupdate()
{
    self endon( "death" );
    self endon( "exit_vehicle" );
    
    weapon = self SeatGetWeapon( 2 );
    fireTime = weapon.fireTime;
    driver = self GetSeatOccupant( 0 );
 
    self thread ‪siegebot_player_aimUpdate();
    
    while( 1 )
    {
        if( driver attackButtonPressed() )
        {
            self FireWeapon( 2 );
            wait fireTime;
        }
        else
        {
            ‪WAIT_SERVER_FRAME;
        }
    }
}
 
function ‪siegebot_player_aimUpdate()
{
    self endon( "death" );
    self endon( "exit_vehicle" );
 
    while( 1 )
    {
        self SetGunnerTargetVec( self GetGunnerTargetVec( 0 ), 1 );
        ‪WAIT_SERVER_FRAME;
    }
}
// State: scripted ----------------------------------
 
// ----------------------------------------------
// State: emped
// ----------------------------------------------
function ‪emped_enter( params )
{
    if ( !isdefined( self.abnormal_status ) )
    {
        self.abnormal_status = spawnStruct();
    }
 
    self.abnormal_status.emped = true;
    self.abnormal_status.attacker = params.notify_param[1];
    self.abnormal_status.inflictor = params.notify_param[2];
 
    self ‪vehicle::toggle_emp_fx( true );
}
 
function ‪emped_update( params )
{
    self endon( "death" );
    self endon( "change_state" );
 
    self ‪stopMovementAndSetBrake();
    
    if ( self.vehicletype === "spawner_enemy_boss_siegebot_zombietron" )
    {
        self ASMSetAnimationRate( 1.0 );
    }
 
    asmState = "damage_2@pain";
    self ASMRequestSubstate( asmState );    
    self ‪vehicle_ai::waittill_asm_complete( asmState, 3 );
    
    self SetBrake( 0 );
    
    self ‪vehicle_ai::evaluate_connections();
}
 
function ‪emped_exit( params )
{
}
 
function ‪emped_reenter( params )
{
    return false;
}
// State: emped ----------------------------------
 
// ----------------------------------------------
// State: pain
// ----------------------------------------------
function ‪pain_toggle( enabled )
{
    self._enablePain = enabled;
}
 
function ‪pain_update( params )
{
    self endon( "death" );
    self endon( "change_state" );
 
    self ‪stopMovementAndSetBrake();
    
    if ( self.vehicletype === "spawner_enemy_boss_siegebot_zombietron" )
    {
        self ASMSetAnimationRate( 1.0 );
    }
 
    if ( self.newDamageLevel == 3 )
    {
        asmState = "damage_2@pain";
    }
    else
    {
        asmState = "damage_1@pain";
    }
 
    self ASMRequestSubstate( asmState );    
    self ‪vehicle_ai::waittill_asm_complete( asmState, 1.5 );
    
    self SetBrake( 0 );
    
    self ‪vehicle_ai::evaluate_connections();
}
// State: pain ----------------------------------
 
// ----------------------------------------------
// State: unaware
// ----------------------------------------------
function ‪state_unaware_update( params )
{
    self endon( "death" );
    self endon( "change_state" );
 
    self SetTurretTargetRelativeAngles( (0,90,0), 1 );
    self SetTurretTargetRelativeAngles( (0,90,0), 2 );
 
    self thread ‪Movement_Thread_Unaware();
 
    while ( true ) 
    {
        self ‪vehicle_ai::evaluate_connections();
        wait 1;
    }
}
 
function ‪Movement_Thread_Unaware()
{
    self endon( "death" );
    self endon( "change_state" );
    self notify( "end_movement_thread" );
    self endon( "end_movement_thread" );
 
    while( true )
    {
        self.current_pathto_pos = self ‪GetNextMovePosition_unaware();
 
        foundpath = self SetVehGoalPos( self.current_pathto_pos, false, true );
        
        if ( foundPath )
        {
            ‪locomotion_start();
            self thread ‪path_update_interrupt();
            self ‪vehicle_ai::waittill_pathing_done();
            self notify( "near_goal" );     // kill path_update_interrupt thread
            self CancelAIMove();
            self ClearVehGoalPos();
 
            ‪Scan();
        }
        else
        {
            wait 1;
        }
 
        ‪WAIT_SERVER_FRAME;
    }
}
 
function ‪GetNextMovePosition_unaware()
{
    if( self.goalforced )
    {
        return self.goalpos;
    }
 
    minSearchRadius = 500;
    maxSearchRadius = 1500;
    halfHeight = 400;
    spacing = 80;
 
    queryResult = PositionQuery_Source_Navigation( self.origin, minSearchRadius, maxSearchRadius, halfHeight, spacing, self, spacing );
    PositionQuery_Filter_DistanceToGoal( queryResult, self );
    ‪vehicle_ai::PositionQuery_Filter_OutOfGoalAnchor( queryResult );
 
    forward = AnglesToForward( self.angles );
    foreach ( point in queryResult.data )
    {
        ADD_POINT_SCORE( point, "random", randomFloatRange( 0, 30 ) );
 
        pointDirection = VectorNormalize( point.origin - self.origin );
        factor = VectorDot( pointDirection, forward );
        if ( factor > 0.7 )
        {
            ADD_POINT_SCORE( point, "directionDiff", 600 );
        }
        else if ( factor > 0 )
        {
            ADD_POINT_SCORE( point, "directionDiff", 0 );
        }
        else if ( factor > -0.5 )
        {
            ADD_POINT_SCORE( point, "directionDiff", -600 );
        }
        else
        {
            ADD_POINT_SCORE( point, "directionDiff", -1200 );
        }
    }
 
    ‪vehicle_ai::PositionQuery_PostProcess_SortScore( queryResult );
    self ‪vehicle_ai::PositionQuery_DebugScores( queryResult );
 
    if( queryResult.data.size == 0 )
        return self.origin;
 
    return queryResult.data[0].origin;
}
 
// ----------------------------------------------
// State: jump
// ----------------------------------------------
function ‪clean_up_spawned()
{
    if ( isdefined( self.jump ) && isDefined(self.jump.linkEnt) )
    {
        self.jump.linkEnt Delete();
    }
}
function ‪clean_up_spawnedOnDeath(entToWatch)
{
    self endon("death");
    entToWatch waittill("death");
    self delete();
}
 
 
function ‪initJumpStruct()
{
    if ( isdefined( self.jump ) )
    {
        self Unlink();
        self.jump.linkEnt Delete();
        self.jump Delete();
    }
 
    self.jump = spawnstruct();
    self.jump.linkEnt = ‪Spawn( "script_origin", self.origin );
    self.jump.linkEnt thread ‪clean_up_spawnedOnDeath(self);
    self.jump.in_air = false;
    self.jump.highgrounds = ‪struct::get_array( "balcony_point" );
    self.jump.groundpoints = ‪struct::get_array( "ground_point" );
 
    //assert( self.jump.highgrounds.size > 0 );
    //assert( self.jump.groundpoints.size > 0 );
}
 
function ‪state_jump_can_enter( from_state, to_state, connection )
{
    if(‪IS_TRUE(self.noJumping))
        return false;
    
    return ( self.vehicletype === "spawner_enemy_boss_siegebot_zombietron" );
}
 
function ‪state_jump_enter( params )
{
    goal = params.jumpgoal;
 
    ‪trace = PhysicsTrace( goal + ( 0, 0, 500 ), goal - ( 0, 0, 10000 ), ( -10, -10, -10 ), ( 10, 10, 10 ), self, ‪PHYSICS_TRACE_MASK_VEHICLE );
    if ( ‪DEBUG_ON )
    {
    /#debugstar( goal, 60000, (0,1,0) ); #/
    /#debugstar( ‪trace[ "position" ], 60000, (0,1,0) ); #/
    /#line(goal, ‪trace[ "position" ], (0,1,0), 1, false, 60000 ); #/
    }
    if ( ‪trace[ "fraction" ] < 1 )
    {
        goal = ‪trace[ "position" ];
    }
 
    self.jump.goal = goal;
 
    params.scaleForward = 40;
    params.gravityForce = (0, 0, -6);
    params.upByHeight = 50;
    params.landingState = "land@jump";
 
    self ‪pain_toggle( false );
 
    self ‪stopMovementAndSetBrake();
}
 
function ‪state_jump_update( params )
{
    self endon( "change_state" );
    self endon( "death" );
 
    goal = self.jump.goal;
 
    self ‪face_target( goal );
 
    self.jump.linkEnt.origin = self.origin;
    self.jump.linkEnt.angles = self.angles;
 
    ‪WAIT_SERVER_FRAME;
 
    self LinkTo( self.jump.linkEnt );
 
    self.jump.in_air = true;
 
    if ( ‪DEBUG_ON ) 
    {
    /#debugstar( goal, 60000, (0,1,0) ); #/
    /#debugstar( goal + (0,0,100), 60000, (0,1,0) ); #/
    /#line(goal, goal + (0,0,100), (0,1,0), 1, false, 60000 ); #/
    }
 
    // calculate distance and forces
    totalDistance = Distance2D(goal, self.jump.linkEnt.origin);
    forward = ‪FLAT_ORIGIN( ((goal - self.jump.linkEnt.origin) / totalDistance) );
    upByDistance = MapFloat( 500, 2000, 46, 52, totalDistance );
    antiGravityByDistance = 0;//MapFloat( 500, 2000, 0, 0.5, totalDistance );
 
    initVelocityUp = (0,0,1) * ( upByDistance + params.upByHeight );
    initVelocityForward = forward * params.scaleForward * MapFloat( 500, 2000, 0.8, 1, totalDistance );
    velocity = initVelocityUp + initVelocityForward;
 
    // start jumping
    if ( self.vehicletype === "spawner_enemy_boss_siegebot_zombietron" )
    {
        self ASMSetAnimationRate( 1.0 );
    }
 
    self ASMRequestSubstate( "inair@jump" );
    self waittill( "engine_startup" );
    self ‪vehicle::impact_fx( self.settings.startupfx1 );
    self waittill( "leave_ground" );
    self ‪vehicle::impact_fx( self.settings.takeofffx1 );
 
    while( true )
    {
        distanceToGoal = Distance2D(self.jump.linkEnt.origin, goal);
 
        antiGravityScaleUp = 1.0;//MapFloat( 0, 0.5, 0.6, 0, abs( 0.5 - distanceToGoal / totalDistance ) );
        antiGravityScale = 1.0;//MapFloat( (self.radius * 1.0), (self.radius * 3), 0, 1, distanceToGoal );
        antiGravity = (0,0,0);//antiGravityScale * antiGravityScaleUp * (-params.gravityForce) + (0,0,antiGravityByDistance);
        if ( ‪DEBUG_ON ) /#line(self.jump.linkEnt.origin, self.jump.linkEnt.origin + antiGravity, (0,1,0), 1, false, 60000 ); #/
 
        velocityForwardScale = MapFloat( (self.radius * 1), (self.radius * 4), 0.2, 1, distanceToGoal );
        velocityForward = initVelocityForward * velocityForwardScale;
        if ( ‪DEBUG_ON ) /#line(self.jump.linkEnt.origin, self.jump.linkEnt.origin + velocityForward, (0,1,0), 1, false, 60000 ); #/
 
        oldVerticleSpeed = velocity[2];
        velocity = (0,0, velocity[2]);
        velocity += velocityForward + params.gravityForce + antiGravity;
 
        if ( oldVerticleSpeed > 0 && velocity[2] < 0 )
        {
            self ASMRequestSubstate( "fall@jump" );
        }
 
        if ( velocity[2] < 0 && self.jump.linkEnt.origin[2] + velocity[2] < goal[2] )
        {
            break;
        }
 
        heightThreshold = goal[2] + 110;
        oldHeight = self.jump.linkEnt.origin[2];
        self.jump.linkEnt.origin += velocity;
 
        if ( self.jump.linkEnt.origin[2] < heightThreshold && ( oldHeight > heightThreshold || ( oldVerticleSpeed > 0 && velocity[2] < 0 ) ) )
        {
            self notify( "start_landing" );
            self ASMRequestSubstate( params.landingState );
        }
 
        if ( ‪DEBUG_ON ) /#debugstar( self.jump.linkEnt.origin, 60000, (1,0,0) ); #/
        ‪WAIT_SERVER_FRAME;
    }
 
    // landed
    self.jump.linkEnt.origin = ‪FLAT_ORIGIN( self.jump.linkEnt.origin ) + ( 0, 0, goal[2] );
    self notify( "land_crush" );
 
    // don't damage player, but crush player vehicle
    foreach( player in level.players )
    {
        player._takedamage_old = player.takedamage;
        player.takedamage = false;
    }
    self RadiusDamage( self.origin + ( 0,0,15 ), self.radiusdamageradius, self.radiusdamagemax, self.radiusdamagemin, self, "MOD_EXPLOSIVE" );
 
    foreach( player in level.players )
    {
        player.takedamage = player._takedamage_old;
        player._takedamage_old = undefined;
 
        if ( Distance2DSquared( self.origin, player.origin ) < ‪SQR( 200 ) )
        {
            direction = ‪FLAT_ORIGIN( ( player.origin - self.origin ) );
            if ( Abs( direction[0] ) < 0.01 && Abs( direction[1] ) < 0.01 )
            {
                direction = ( RandomFloatRange( 1, 2 ), RandomFloatRange( 1, 2 ), 0 );
            }
            direction = VectorNormalize( direction );
            strength = 700;
            player SetVelocity( player GetVelocity() + direction * strength );
 
            if ( player.health > 80 )
            {
                player DoDamage( player.health - 70, self.origin, self );
            }
        }
    }
 
    self ‪vehicle::impact_fx( self.settings.landingfx1 );
    self ‪stopMovementAndSetBrake();
 
    //rumble for landing from jump
    //self clientfield::increment( "sarah_rumble_on_landing" );
 
    wait 0.3;
 
    self Unlink();
    
    ‪WAIT_SERVER_FRAME;
 
    self.jump.in_air = false;
 
    self notify ( "jump_finished" );
 
    ‪vehicle_ai::Cooldown( "jump", ‪JUMP_COOLDOWN );
 
    self ‪vehicle_ai::waittill_asm_complete( params.landingState, 3 );
 
    self ‪vehicle_ai::evaluate_connections();
}
 
function ‪state_jump_exit( params )
{
}
 
// ----------------------------------------------
// State: combat
// ----------------------------------------------
function ‪state_combat_update( params )
{
    self endon( "death" );
    self endon( "change_state" );
 
    self thread ‪Movement_Thread();
    self thread ‪Attack_Thread_machinegun();
    self thread ‪Attack_Thread_rocket();
}
 
function ‪state_combat_exit( params )
{
    self ClearTurretTarget();
    self SetTurretSpinning( false );
}
 
function ‪locomotion_start()
{
    if( self.vehicletype === "spawner_enemy_boss_siegebot_zombietron" )
    {
        self ASMSetAnimationRate( 0.5 );
    }
 
    self ASMRequestSubstate( "locomotion@movement" );
}
 
function ‪GetNextMovePosition_tactical()
{
    if( self.goalforced )
    {
        return self.goalpos;
    }
 
    maxSearchRadius = 800;
    halfHeight = 400;
    innerSpacing = 50;
    outerSpacing = 60;
 
    queryResult = PositionQuery_Source_Navigation( self.origin, 0, maxSearchRadius, halfHeight, innerSpacing, self, outerSpacing );
    PositionQuery_Filter_DistanceToGoal( queryResult, self );
    ‪vehicle_ai::PositionQuery_Filter_OutOfGoalAnchor( queryResult );
 
    if( isdefined( self.enemy ) )
    {
        PositionQuery_Filter_Sight( queryResult, self.enemy.origin, self GetEye() - self.origin, self, 0, self.enemy );
        self ‪vehicle_ai::PositionQuery_Filter_EngagementDist( queryResult, self.enemy, self.settings.engagementDistMin, self.settings.engagementDistMax );
    }
 
    foreach ( point in queryResult.data )
    {
        ADD_POINT_SCORE( point, "random", randomFloatRange( 0, 30 ) );
 
        if( point.disttoorigin2d < 120 )
        {
            ADD_POINT_SCORE( point, "tooCloseToSelf", (120 - point.disttoorigin2d) * -1.5 );
        }
 
        if( isdefined( self.enemy ) )
        {
            ADD_POINT_SCORE( point, "engagementDist", -point.distAwayFromEngagementArea );
 
            if ( !point.visibility )
            {
                ADD_POINT_SCORE( point, "visibility", -600 );
            }
        }
    }
 
    ‪vehicle_ai::PositionQuery_PostProcess_SortScore( queryResult );
    self ‪vehicle_ai::PositionQuery_DebugScores( queryResult );
 
    if( queryResult.data.size == 0 )
        return self.origin;
 
    return queryResult.data[0].origin;
}
 
function ‪path_update_interrupt()
{
    self endon( "death" );
    self endon( "change_state" );
    self endon( "near_goal" );
    self endon( "reached_end_node" );
    
    canSeeEnemyCount = 0;
    
    old_enemy = self.enemy;
    
    startPath = GetTime(); // assume we just started a new path
    old_origin = self.origin;
    move_dist = 300;
 
    wait 1.5;
    
    while( 1 )
    {
        self SetMaxSpeedScale( 1 );
        self SetMaxAccelerationScale( 1 );
        self SetSpeed( self.settings.defaultMoveSpeed );
        
        if ( isdefined( self.enemy ) )
        {
            selfDistToTarget = Distance2D( self.origin, self.enemy.origin );
        
            farEngagementDist = self.settings.engagementDistMax + 150;
            closeEngagementDist = self.settings.engagementDistMin - 150;
        
            if( self VehCanSee( self.enemy ) )
            {
                self SetLookAtEnt( self.enemy );    // try to keep the basic orientation towards the enemy
                self SetTurretTargetEnt( self.enemy );
            
                // check the distance so we don't trigger a new path when we are already moving
                if( selfDistToTarget < farEngagementDist && selfDistToTarget > closeEngagementDist )
                {   
                    canSeeEnemyCount++;
 
                    // Stop if we can see our enemy for a bit
                    if( canSeeEnemyCount > 3 && ( ‪vehicle_ai::TimeSince( startPath ) > 5 || Distance2DSquared( old_origin, self.origin ) > ‪SQR( move_dist ) ) )
                    {
                        self notify( "near_goal" );
                    }
                }
                else
                {
                    // too far go fast
                    self SetMaxSpeedScale( 2.5 );
                    self SetMaxAccelerationScale( 3 );
                    self SetSpeed( self.settings.defaultMoveSpeed * 2 );
                }
            }
            else if( (!self VehSeenRecently( self.enemy, 1.5 ) && self VehSeenRecently( self.enemy, 15 )) || selfDistToTarget > farEngagementDist ) // move fast if we just lost sight of our target or we are too far
            {
                self SetMaxSpeedScale( 1.8 );
                self SetMaxAccelerationScale( 2 );
                self SetSpeed( self.settings.defaultMoveSpeed * 1.5 );
            }
        }
        else
        {
            canSeeEnemyCount = 0;
        }
 
        if ( isdefined( self.enemy ) )
        {
            if( !isdefined( old_enemy ) )
            {
                self notify( "near_goal" );     // new enemy
            }
            else if( self.enemy != old_enemy )
            {
                self notify( "near_goal" );     // new enemy
            }
 
            if( self VehCanSee( self.enemy ) && distance2dSquared( self.origin, self.enemy.origin ) < ‪SQR( 150 ) && Distance2DSquared( old_origin, self.enemy.origin ) > ‪SQR( 151 ) ) // don't walk pass the player
            {
                self notify( "near_goal" );
            }
        }
        
        wait 0.2;
    }
}
 
function ‪weapon_doors_state( isOpen, waittime = 0 )
{
    self endon( "death" );
    self notify( "weapon_doors_state" );
    self endon( "weapon_doors_state" );
 
    if ( isdefined( waittime ) && waittime > 0 )
    {
        wait waittime;
    }
 
    self ‪vehicle::toggle_ambient_anim_group( 1, isOpen );
}
 
function ‪Movement_Thread()
{
    self endon( "death" );
    self endon( "change_state" );
    self notify( "end_movement_thread" );
    self endon( "end_movement_thread" );
 
    while ( 1 )
    {
        self.current_pathto_pos = self ‪GetNextMovePosition_tactical();
 
        if( self.vehicletype === "spawner_enemy_boss_siegebot_zombietron" )
        {
            if ( ‪vehicle_ai::IsCooldownReady( "jump" ) )
            {
                params = SpawnStruct();
                params.jumpgoal = self.current_pathto_pos;
                ‪locomotion_start();
                wait 0.5;
                self ‪vehicle_ai::evaluate_connections( undefined, params );
                wait 0.5;
            }
        }
 
        foundpath = self SetVehGoalPos( self.current_pathto_pos, false, true );
        
        if ( foundPath )
        {
            if ( isdefined( self.enemy ) && self VehSeenRecently( self.enemy, 1 ) )
            {
                self SetLookAtEnt( self.enemy );
                self SetTurretTargetEnt( self.enemy );
            }
            ‪locomotion_start();
            self thread ‪path_update_interrupt();
            self ‪vehicle_ai::waittill_pathing_done();
            self notify( "near_goal" );     // kill path_update_interrupt thread
            self CancelAIMove();
            self ClearVehGoalPos();
            if ( isdefined( self.enemy ) && self VehSeenRecently( self.enemy, 2 ) )
            {
                self ‪face_target( self.enemy.origin );
            }
        }
 
        wait 1;
 
        startAdditionalWaiting = GetTime();
        while ( isdefined( self.enemy ) && self VehCanSee( self.enemy ) && ‪vehicle_ai::TimeSince( startAdditionalWaiting ) < 1.5 )
        {
            wait 0.4;
        }
    }
}
 
function ‪stopMovementAndSetBrake()
{
    self notify( "end_movement_thread" );
    self notify( "near_goal" );
    self CancelAIMove();
    self ClearVehGoalPos(); 
    self ClearTurretTarget();
    self ClearLookAtEnt();
    self SetBrake( 1 );
}
 
function ‪face_target( position, targetAngleDiff )
{
    if ( !isdefined( targetAngleDiff ) )
    {
        targetAngleDiff = 30;
    }
 
    v_to_enemy = ‪FLAT_ORIGIN( (position - self.origin) );
    v_to_enemy = VectorNormalize( v_to_enemy );
    goalAngles = VectortoAngles( v_to_enemy );
 
    angleDiff = AbsAngleClamp180( self.angles[1] - goalAngles[1] );
    if ( angleDiff <= targetAngleDiff )
    {
        return;
    }
 
    self SetLookAtOrigin( position );
    self SetTurretTargetVec( position );
    self ‪locomotion_start();
 
    angleAdjustingStart = GetTime();
    while( angleDiff > targetAngleDiff && ‪vehicle_ai::TimeSince( angleAdjustingStart ) < 4 )
    {
        angleDiff = AbsAngleClamp180( self.angles[1] - goalAngles[1] );
        ‪WAIT_SERVER_FRAME;
    }
 
    self ClearVehGoalPos();
    self ClearLookAtEnt();
    self ClearTurretTarget();
    self CancelAIMove();
}
 
function ‪Scan()
{
    angles = self GetTagAngles( "tag_barrel" );
    angles = (0,angles[1],0);   // get rid of pitch
    
    rotate = 360;
    
    while( rotate > 0 )
    {
        angles += (0,30,0);
        rotate -= 30;
        forward = AnglesToForward( angles );
        
        aimpos = self.origin + forward * 1000;
        self SetTurretTargetVec( aimpos );
        msg = self ‪util::waittill_any_timeout( 0.5, "turret_on_target" );
        wait 0.1;
        
        if( isdefined( self.enemy ) && self VehCanSee( self.enemy ) )   // use VehCanSee, if recently attacked this will return true and not use FOV check
        {
            self SetTurretTargetEnt( self.enemy );
            self SetLookAtEnt( self.enemy );
            self ‪face_target( self.enemy );
            return;
        }
    }
    
    // return the turret to forward
    forward = AnglesToForward( self.angles );
        
    aimpos = self.origin + forward * 1000;
    self SetTurretTargetVec( aimpos );
    msg = self ‪util::waittill_any_timeout( 3.0, "turret_on_target" );
    self ClearTurretTarget();
}
 
function ‪Attack_Thread_machinegun()
{
    self endon( "death" );
    self endon( "change_state" );
    self endon( "end_attack_thread" );
    self notify( "end_machinegun_attack_thread" );
    self endon( "end_machinegun_attack_thread" );
 
    self.turretrotscale = 1 * self.difficulty_scale_up;
    
    spinning = false;
 
    while( 1 )
    {
        if( isdefined( self.enemy ) && self VehCanSee( self.enemy ) )
        {
            self SetLookAtEnt( self.enemy );
            self SetTurretTargetEnt( self.enemy );
 
            if ( !spinning )
            {
                spinning = true;
                self SetTurretSpinning( true );
                wait 0.5;
                continue;
            }
 
            self SetGunnerTargetEnt( self.enemy, (0,0,0), 0 );
            self SetGunnerTargetEnt( self.enemy, (0,0,0), 1 );
    
            self ‪vehicle_ai::fire_for_time( RandomFloatRange( 0.75, 1.5 ) * self.difficulty_scale_up, 1 );
            
            if( isdefined( self.enemy ) && IsAI( self.enemy ) )
            {
                wait( RandomFloatRange( 0.1, 0.2 ) );
            }
            else
            {
                wait( RandomFloatRange( 0.2, 0.3 ) ) * self.difficulty_scale_down;
            }
        }
        else
        {
            spinning = false;
            self SetTurretSpinning( false );
            self ClearGunnerTarget( 0 );
            self ClearGunnerTarget( 1 );
            wait 0.4;
        }
    }
}
 
function ‪Attack_Rocket( target )
{       
    if ( isdefined( target ) )
    {
        self SetTurretTargetEnt( target );
        self SetGunnerTargetEnt( target, (0,0,-10), 2 );
        msg = self ‪util::waittill_any_timeout( 1, "turret_on_target" );
        self FireWeapon( 2, target, (0,0,-10) );
        self ClearGunnerTarget( 1 );
    }
}
 
function ‪Attack_Thread_Rocket()
{
    self endon( "death" );
    self endon( "change_state" );
    self endon( "end_attack_thread" );
    self notify( "end_rocket_attack_thread" );
    self endon( "end_rocket_attack_thread" );
 
    ‪vehicle_ai::Cooldown( "rocket", 3 );
 
    while( 1 )
    {
        if ( isdefined( self.enemy ) && self VehSeenRecently( self.enemy, 3 ) && ( ‪vehicle_ai::IsCooldownReady( "rocket", 1.5 ) ) )
        {
            self SetGunnerTargetEnt( self.enemy, (0,0,0), 0 );
            self SetGunnerTargetEnt( self.enemy, (0,0,-10), 2 );
 
            self thread ‪weapon_doors_state( true );
            wait 1.5;
            if ( isdefined( self.enemy ) && self VehSeenRecently( self.enemy, 1 ) )
            {
                ‪vehicle_ai::Cooldown( "rocket", 5 );
                ‪Attack_Rocket( self.enemy );
                wait 1;
                if ( isdefined( self.enemy ) )
                {
                    ‪Attack_Rocket( self.enemy );
                }
                self thread ‪weapon_doors_state( false, 1 );
            }
            else
            {
                self thread ‪weapon_doors_state( false );
            }
        }
        else
        {
            self ClearGunnerTarget( 0 );
            self ClearGunnerTarget( 1 );
            wait 0.4;
        }
    }
}
 
function ‪siegebot_callback_damage( eInflictor, eAttacker, iDamage, iDFlags, sMeansOfDeath, weapon, vPoint, vDir, sHitLoc, vDamageOrigin, psOffsetTime, damageFromUnderneath, modelIndex, partName, vSurfaceNormal )
{
    num_players = GetPlayers().size;
    maxDamage = self.healthdefault * ( 0.40 - 0.02 * num_players );
    if ( sMeansOfDeath !== "MOD_UNKNOWN" && iDamage > maxDamage )
    {
        iDamage = maxDamage;
    }
 
    if ( ‪vehicle_ai::should_emp( self, weapon, sMeansOfDeath, eInflictor, eAttacker ) )
    {
        minEmpDownTime = 0.8 * self.settings.empdowntime;
        maxEmpDownTime = 1.2 * self.settings.empdowntime;
        self notify ( "emped", RandomFloatRange( minEmpDownTime, maxEmpDownTime ), eAttacker, eInflictor );
    }
 
    if ( !isdefined( self.damageLevel ) )
    {
        self.damageLevel = 0;
        self.newDamageLevel = self.damageLevel;
    }
 
    newDamageLevel = ‪vehicle::should_update_damage_fx_level( self.health, iDamage, self.healthdefault );
    if ( newDamageLevel > self.damageLevel )
    {
        self.newDamageLevel = newDamageLevel;
    }
 
    if ( self.newDamageLevel > self.damageLevel )
    {
        self.damageLevel = self.newDamageLevel;
 
        driver = self GetSeatOccupant( 0 );
        if ( !isdefined( driver ) ) // no pain for player driving version
        {
            self notify( "pain" );
        }
 
        ‪vehicle::set_damage_fx_level( self.damageLevel );
    }
 
    return iDamage;
}