// === MainGame.java === package com.prajval.battleroyale;

import com.badlogic.gdx.Game;

public class MainGame extends Game { @Override public void create() { this.setScreen(new GameScreen()); } }

// === GameScreen.java === package com.prajval.battleroyale;

import com.badlogic.gdx.Screen; import com.badlogic.gdx.graphics.GL20; import com.badlogic.gdx.Gdx; import com.badlogic.gdx.graphics.OrthographicCamera; import com.badlogic.gdx.graphics.Texture; import com.badlogic.gdx.graphics.g2d.SpriteBatch; import com.badlogic.gdx.utils.Array; import com.badlogic.gdx.graphics.glutils.ShapeRenderer;

public class GameScreen implements Screen {

SpriteBatch batch;
Texture mapTexture;
Player player;
Array<Bullet> bullets;
Array<Enemy> enemies;
OrthographicCamera camera;
ShapeRenderer shapeRenderer;

float safeZoneX = 100;
float safeZoneY = 100;
float safeZoneSize = 600;
float shrinkTimer = 0;

@Override
public void show() {
    batch = new SpriteBatch();
    mapTexture = new Texture("map.png");
    player = new Player();
    bullets = new Array<>();
    enemies = new Array<>();
    enemies.add(new Enemy(600, 300));

    shapeRenderer = new ShapeRenderer();

    camera = new OrthographicCamera();
    camera.setToOrtho(false, 800, 480);
}

@Override
public void render(float delta) {
    shrinkTimer += delta;
    if (shrinkTimer > 5f && safeZoneSize > 100) {
        safeZoneSize -= 10;
        safeZoneX += 5;
        safeZoneY += 5;
        shrinkTimer = 0;
    }

    player.update(delta);

    if (player.shooting) {
        bullets.add(new Bullet(player.x + 16, player.y + 16));
        player.shooting = false;
    }

    for (Bullet b : bullets) {
        b.update(delta);
    }

    for (Enemy e : enemies) {
        e.update(delta);
    }

    for (Bullet b : bullets) {
        for (Enemy e : enemies) {
            if (e.alive && e.hitBy(b)) {
                e.alive = false;
            }
        }
    }

    if (!player.inSafeZone(safeZoneX, safeZoneY, safeZoneSize)) {
        player.health -= delta * 5;
    }

    camera.position.set(player.x, player.y, 0);
    camera.update();

    Gdx.gl.glClearColor(0, 0.3f, 0, 1);
    Gdx.gl.glClear(GL20.GL_COLOR_BUFFER_BIT);

    batch.setProjectionMatrix(camera.combined);
    batch.begin();
    batch.draw(mapTexture, 0, 0);
    batch.draw(player.texture, player.x, player.y);
    for (Bullet b : bullets) {
        batch.draw(b.texture, b.x, b.y);
    }
    for (Enemy e : enemies) {
        if (e.alive) {
            batch.draw(e.texture, e.x, e.y);
        }
    }
    batch.end();

    shapeRenderer.setProjectionMatrix(camera.combined);
    shapeRenderer.begin(ShapeRenderer.ShapeType.Line);
    shapeRenderer.setColor(0, 1, 0, 1);
    shapeRenderer.rect(safeZoneX, safeZoneY, safeZoneSize, safeZoneSize);
    shapeRenderer.end();
}

@Override
public void dispose() {
    batch.dispose();
    mapTexture.dispose();
    player.dispose();
    shapeRenderer.dispose();
    for (Bullet b : bullets) {
        b.dispose();
    }
    for (Enemy e : enemies) {
        e.dispose();
    }
}

public void resize(int w, int h) {}
public void pause() {}
public void resume() {}
public void hide() {}

}

// === Player.java === package com.prajval.battleroyale;

import com.badlogic.gdx.Gdx; import com.badlogic.gdx.Input; import com.badlogic.gdx.graphics.Texture;

public class Player { public float x = 400, y = 240; public float speed = 200; public float health = 100; public Texture texture; public boolean shooting = false;

public Player() {
    texture = new Texture("player.png");
}

public void update(float delta) {
    if (Gdx.input.isKeyPressed(Input.Keys.W)) y += speed * delta;
    if (Gdx.input.isKeyPressed(Input.Keys.S)) y -= speed * delta;
    if (Gdx.input.isKeyPressed(Input.Keys.A)) x -= speed * delta;
    if (Gdx.input.isKeyPressed(Input.Keys.D)) x += speed * delta;

    if (Gdx.input.isKeyJustPressed(Input.Keys.SPACE)) shooting = true;
}

public boolean inSafeZone(float zoneX, float zoneY, float zoneSize) {
    return x >= zoneX && x <= zoneX + zoneSize && y >= zoneY && y <= zoneY + zoneSize;
}

public void dispose() {
    texture.dispose();
}

}

// === Bullet.java === package com.prajval.battleroyale;

import com.badlogic.gdx.graphics.Texture; import com.badlogic.gdx.math.Rectangle;

public class Bullet { public float x, y; public float speed = 400; public Texture texture;

public Bullet(float x, float y) {
    this.x = x;
    this.y = y;
    texture = new Texture("bullet.png");
}

public void update(float delta) {
    x += speed * delta;
}

public Rectangle getBounds() {
    return new Rectangle(x, y, texture.getWidth(), texture.getHeight());
}

public void dispose() {
    texture.dispose();
}

}

// === Enemy.java === package com.prajval.battleroyale;

import com.badlogic.gdx.graphics.Texture; import com.badlogic.gdx.math.Rectangle;

public class Enemy { public float x, y; public boolean alive = true; public Texture texture;

public Enemy(float x, float y) {
    this.x = x;
    this.y = y;
    texture = new Texture("enemy.png");
}

public void update(float delta) {
    // Idle behavior for now
}

public boolean hitBy(Bullet bullet) {
    return getBounds().overlaps(bullet.getBounds());
}

public Rectangle getBounds() {
    return new Rectangle(x, y, texture.getWidth(), texture.getHeight());
}

public void dispose() {
    texture.dispose();
}

}