import java.util.*;
import java.util.concurrent.*;
import java.util.concurrent.atomic.AtomicInteger;

public class PUBGAdvancedAimSystem {
    // Game Configuration
    private static final String GAME_PACKAGE = "com.tencent.tmgp.pubgmhd";
    private static final int MAX_TARGETS = 99;
    private static final double FOV = 360.0;
    
    // Advanced Aim Configuration
    private static class AdvancedAimConfig {
        boolean bulletTrackingEnabled = true;
        boolean headshotPriority = true;
        double trackingIntensity = 1.0; // MAX
        double hitRate = 1.0; // MAX
        double headshotRate = 1.0; // MAX
        double trackingArea = 1.0; // MAX
        double bulletRange = 1.0; // MAX
        boolean autoLockHead = true;
        boolean trajectoryPrediction = true;
        double lockStrength = 1.0; // MAX
        int maxLockedTargets = 3;
    }
    
    // Weapon Class
    private static class Weapon {
        String name;
        double bulletVelocity;
        double damage;
        double headshotMultiplier;
        double range;
        String weaponType;
        
        Weapon(String name, double velocity, double dmg, double hsMultiplier, double range, String type) {
            this.name = name;
            this.bulletVelocity = velocity;
            this.damage = dmg;
            this.headshotMultiplier = hsMultiplier;
            this.range = range;
            this.weaponType = type;
        }
    }
    
    // Target Class
    private static class Target {
        int id;
        double x, y, z;
        double health;
        boolean isAlive;
        boolean isVisible;
        String team;
        double headSize;
        double movementSpeed;
        long lastSeenTime;
        
        Target(int id, double x, double y, double z, String team) {
            this.id = id;
            this.x = x;
            this.y = y;
            this.z = z;
            this.team = team;
            this.health = 100.0;
            this.isAlive = true;
            this.isVisible = true;
            this.headSize = 1.0;
            this.movementSpeed = 0.0;
            this.lastSeenTime = System.currentTimeMillis();
        }
    }
    
    // Bullet Tracker
    private static class BulletTracker {
        private AdvancedAimConfig config;
        private List<Weapon> weapons;
        private Map<Integer, Target> targets;
        private AtomicInteger targetIdCounter;
        private ScheduledExecutorService trackerService;
        private boolean systemActive;
        
        public BulletTracker() {
            this.config = new AdvancedAimConfig();
            this.weapons = new ArrayList<>();
            this.targets = new ConcurrentHashMap<>();
            this.targetIdCounter = new AtomicInteger(1);
            this.trackerService = Executors.newScheduledThreadPool(3);
            this.systemActive = false;
            
            initializeWeapons();
            System.out.println("PUBG Advanced Aim System Initialized");
            System.out.println("Game Package: " + GAME_PACKAGE);
            System.out.println("Max Targets: " + MAX_TARGETS);
        }
        
        private void initializeWeapons() {
            // PUBG Weapon Data
            weapons.add(new Weapon("M416", 880, 41, 2.0, 400, "ASSAULT_RIFLE"));
            weapons.add(new Weapon("AKM", 715, 49, 2.0, 400, "ASSAULT_RIFLE"));
            weapons.add(new Weapon("AWM", 945, 132, 3.0, 1000, "SNIPER"));
            weapons.add(new Weapon("Kar98k", 760, 75, 2.5, 800, "SNIPER"));
            weapons.add(new Weapon("UMP9", 400, 39, 2.0, 200, "SMG"));
            weapons.add(new Weapon("S12K", 350, 22, 1.5, 100, "SHOTGUN"));
        }
        
        public void startTrackingSystem() {
            if (systemActive) return;
            
            systemActive = true;
            System.out.println("STARTING ADVANCED BULLET TRACKING SYSTEM");
            System.out.println("FOV: " + FOV + " degrees x " + FOV + " degrees");
            System.out.println("HEADSHOT PRIORITY: " + config.headshotPriority);
            System.out.println("TRACKING INTENSITY: MAX");
            
            // Start target scanning service
            trackerService.scheduleAtFixedRate(this::scanAndUpdateTargets, 0, 50, TimeUnit.MILLISECONDS);
            
            // Start tracking processing service
            trackerService.scheduleAtFixedRate(this::processAdvancedTracking, 0, 10, TimeUnit.MILLISECONDS);
            
            // Start status reporting service
            trackerService.scheduleAtFixedRate(this::reportSystemStatus, 1, 3, TimeUnit.SECONDS);
        }
        
        public void stopTrackingSystem() {
            systemActive = false;
            trackerService.shutdown();
            System.out.println("BULLET TRACKING SYSTEM STOPPED");
        }
        
        private void scanAndUpdateTargets() {
            if (!systemActive) return;
            
            Random random = new Random();
            int newTargets = random.nextInt(5) + 1;
            
            for (int i = 0; i < newTargets; i++) {
                if (targets.size() >= MAX_TARGETS) break;
                
                int id = targetIdCounter.getAndIncrement();
                double x = random.nextDouble() * 1000 - 500;
                double y = random.nextDouble() * 1000 - 500;
                double z = random.nextDouble() * 100;
                String team = random.nextBoolean() ? "ENEMY" : "TEAM";
                
                Target target = new Target(id, x, y, z, team);
                target.headSize = 0.8 + random.nextDouble() * 0.4;
                target.movementSpeed = random.nextDouble() * 10;
                
                targets.put(id, target);
                
                if ("ENEMY".equals(team)) {
                    System.out.println("TARGET ACQUIRED: ID#" + id + 
                                     " | Position: (" + (int)x + "," + (int)y + "," + (int)z + ")" +
                                     " | Head Size: " + String.format("%.2f", target.headSize));
                }
            }
            
            // Clean up invalid targets
            targets.entrySet().removeIf(entry -> !entry.getValue().isAlive);
        }
        
        private void processAdvancedTracking() {
            if (!systemActive || !config.bulletTrackingEnabled) return;
            
            for (Target target : targets.values()) {
                if (!target.isAlive || !"ENEMY".equals(target.team) || !target.isVisible) {
                    continue;
                }
                
                // Advanced head tracking calculation
                if (config.headshotPriority && isTargetInFOV(target)) {
                    double headshotProbability = calculateHeadshotProbability(target);
                    double trackingStrength = calculateTrackingStrength(target);
                    
                    if (headshotProbability > 0.7 && trackingStrength > 0.8) {
                        executePrecisionAim(target, headshotProbability, trackingStrength);
                    }
                }
            }
        }
        
        private boolean isTargetInFOV(Target target) {
            double distance = Math.sqrt(target.x * target.x + target.y * target.y);
            return distance <= FOV;
        }
        
        private double calculateHeadshotProbability(Target target) {
            double baseProbability = config.headshotRate;
            
            // Distance factor
            double distance = Math.sqrt(target.x * target.x + target.y * target.y);
            double distanceFactor = Math.max(0.1, 1.0 - (distance / 500.0));
            
            // Movement speed factor
            double speedFactor = Math.max(0.3, 1.0 - (target.movementSpeed * 0.1));
            
            // Head size factor
            double sizeFactor = target.headSize;
            
            return baseProbability * distanceFactor * speedFactor * sizeFactor;
        }
        
        private double calculateTrackingStrength(Target target) {
            double baseStrength = config.trackingIntensity;
            
            // Distance attenuation
            double distance = Math.sqrt(target.x * target.x + target.y * target.y);
            double distanceMultiplier = Math.max(0.2, 1.0 - (distance / 300.0));
            
            // Movement prediction bonus
            double predictionBonus = config.trajectoryPrediction ? 1.2 : 1.0;
            
            return Math.min(1.0, baseStrength * distanceMultiplier * predictionBonus);
        }
        
        private void executePrecisionAim(Target target, double headshotProb, double trackingStrength) {
            System.out.println("PRECISION AIM LOCKED: Target #" + target.id);
            System.out.println("   POSITION: (" + (int)target.x + ", " + (int)target.y + ", " + (int)target.z + ")");
            System.out.println("   HEADSHOT PROBABILITY: " + String.format("%.1f%%", headshotProb * 100));
            System.out.println("   TRACKING STRENGTH: " + String.format("%.1f%%", trackingStrength * 100));
            System.out.println("   HEAD SIZE MULTIPLIER: " + String.format("%.2f", target.headSize));
            
            // Simulate shooting result
            if (headshotProb > 0.8) {
                simulateHeadshot(target);
            } else if (headshotProb > 0.6) {
                simulateBodyShot(target);
            }
        }
        
        private void simulateHeadshot(Target target) {
            double headshotDamage = calculateHeadshotDamage();
            target.health -= headshotDamage;
            
            System.out.println("HEADSHOT SUCCESS! Target #" + target.id);
            System.out.println("   DAMAGE: " + headshotDamage);
            System.out.println("   REMAINING HEALTH: " + Math.max(0, target.health));
            
            if (target.health <= 0) {
                target.isAlive = false;
                System.out.println("TARGET ELIMINATED: #" + target.id);
            }
        }
        
        private void simulateBodyShot(Target target) {
            double bodyDamage = calculateBodyDamage();
            target.health -= bodyDamage;
            
            System.out.println("BODY SHOT HIT! Target #" + target.id);
            System.out.println("   DAMAGE: " + bodyDamage);
            System.out.println("   REMAINING HEALTH: " + Math.max(0, target.health));
        }
        
        private double calculateHeadshotDamage() {
            return 100.0 * config.headshotRate;
        }
        
        private double calculateBodyDamage() {
            return 40.0 * config.hitRate;
        }
        
        private void reportSystemStatus() {
            if (!systemActive) return;
            
            long aliveEnemies = targets.values().stream()
                .filter(t -> t.isAlive && "ENEMY".equals(t.team))
                .count();
            
            System.out.println("\n=== PUBG ADVANCED AIM SYSTEM STATUS ===");
            System.out.println("ACTIVE TARGETS: " + targets.size());
            System.out.println("ALIVE ENEMIES: " + aliveEnemies);
            System.out.println("HEADSHOT PRIORITY: " + config.headshotPriority);
            System.out.println("TRACKING INTENSITY: MAX");
            System.out.println("FOV: " + FOV + " degrees x " + FOV + " degrees");
            System.out.println("HEADSHOT RATE: MAX");
            System.out.println("SYSTEM ACTIVE: " + systemActive);
            System.out.println("=====================================\n");
        }
        
        public void enhanceHeadshotRate(double multiplier) {
            config.headshotRate = Math.min(1.0, config.headshotRate * multiplier);
            System.out.println("HEADSHOT RATE ENHANCED: " + String.format("%.1f%%", config.headshotRate * 100));
        }
        
        public void maximizeTracking() {
            config.trackingIntensity = 1.0;
            config.hitRate = 1.0;
            config.headshotRate = 1.0;
            config.trackingArea = 1.0;
            config.bulletRange = 1.0;
            config.lockStrength = 1.0;
            
            System.out.println("ALL TRACKING PARAMETERS MAXIMIZED");
            System.out.println("BULLET TRACKING = MAX");
            System.out.println("HEADSHOT RATE = MAX");
            System.out.println("TRACKING AREA = MAX");
        }
        
        public void lockOnHead() {
            config.autoLockHead = true;
            config.headshotPriority = true;
            System.out.println("AUTO HEAD LOCK ENABLED");
            System.out.println("BULLETS WILL NOW PRIORITIZE HEADSHOTS");
        }
    }
    
    // Main Demo Class
    public static class AdvancedAimDemo {
        public static void main(String[] args) throws InterruptedException {
            System.out.println("STARTING PUBG MOBILE ADVANCED AIM SYSTEM");
            System.out.println("GAME: " + GAME_PACKAGE);
            System.out.println("DEVELOPED FOR ENHANCED GAMEPLAY\n");
            
            BulletTracker tracker = new BulletTracker();
            
            // Start system
            tracker.startTrackingSystem();
            
            // Demo enhanced features
            Thread.sleep(2000);
            System.out.println("\nACTIVATING ENHANCED FEATURES...");
            
            Thread.sleep(1000);
            tracker.maximizeTracking();
            
            Thread.sleep(1000);
            tracker.lockOnHead();
            
            Thread.sleep(1000);
            tracker.enhanceHeadshotRate(1.5);
            
            // Run demo
            Thread.sleep(5000);
            
            // Stop system
            Thread.sleep(3000);
            tracker.stopTrackingSystem();
            
            System.out.println("\nPUBG ADVANCED AIM SYSTEM DEMO COMPLETED");
        }
    }
}
