Game/src/main/java/uno/mloluyu/desktop/NetworkSettingsScreen.java

package uno.mloluyu.desktop;

import com.badlogic.gdx.Gdx;
import com.badlogic.gdx.ScreenAdapter;
import com.badlogic.gdx.graphics.Color;
import com.badlogic.gdx.graphics.GL20;
import com.badlogic.gdx.graphics.glutils.ShapeRenderer;
import com.badlogic.gdx.graphics.g2d.BitmapFont;
import com.badlogic.gdx.graphics.g2d.SpriteBatch;

import uno.mloluyu.network.ConnectClient;
import uno.mloluyu.network.ConnectServer;
import static uno.mloluyu.util.Font.loadChineseFont;
import uno.mloluyu.util.ClearScreen;

public class NetworkSettingsScreen extends ScreenAdapter {
    private final MainGame game;
    private SpriteBatch batch;
    private BitmapFont font;
    private ShapeRenderer shapeRenderer;

    private static final int BUTTON_WIDTH = 400;
    private static final int BUTTON_HEIGHT = 80;
    private static final int BUTTON_X = 760;
    private static final int CREATE_ROOM_Y = 500;
    private static final int JOIN_ROOM_Y = 380;
    private static final int EXIT_Y = 260; // 退出按钮位置

    public NetworkSettingsScreen(MainGame game) {
        this.game = game;
    }

    @Override
    public void show() {
        batch = new SpriteBatch();
        shapeRenderer = new ShapeRenderer();
        font = loadChineseFont();
        font.setColor(Color.WHITE);
        font.getData().setScale(2f);
    }

    @Override
    public void render(float delta) {
        new ClearScreen();

        int mouseX = Gdx.input.getX();
        int mouseY = Gdx.graphics.getHeight() - Gdx.input.getY();

        renderButtons(mouseX, mouseY);
        renderTexts();

        handleInput(mouseX, mouseY);
    }

    private void renderButtons(int mouseX, int mouseY) {
        shapeRenderer.begin(ShapeRenderer.ShapeType.Filled);
        drawButton(CREATE_ROOM_Y, mouseX, mouseY);
        drawButton(JOIN_ROOM_Y, mouseX, mouseY);
        drawButton(EXIT_Y, mouseX, mouseY); // 新增退出按钮
        shapeRenderer.end();
    }

    private void renderTexts() {
        batch.begin();
        font.draw(batch, "联机设置", BUTTON_X + 100, 650);
        drawButtonText(CREATE_ROOM_Y, "创建房间");
        drawButtonText(JOIN_ROOM_Y, "加入房间");
        drawButtonText(EXIT_Y, "返回"); // 新增退出按钮文字
        batch.end();
    }

    private void handleInput(int mouseX, int mouseY) {
        if (Gdx.input.justTouched()) {
            if (isHovered(mouseX, mouseY, BUTTON_X, CREATE_ROOM_Y)) {
                Gdx.app.log("Network", "创建房间按钮被点击!");
                new Thread(new ConnectServer(11455)).start();

                // 添加服务器启动提示信息
                Gdx.app.log("Network", "服务器已启动，等待玩家连接...");
                System.out.println("服务器已启动，等待玩家连接...");

                // 创建联机模式标识并传递到角色选择界面
                CharacterSelectScreen characterSelectScreen = new CharacterSelectScreen(game);
                characterSelectScreen.setMultiplayerMode(true); // 设置为联机模式
                game.setScreen(characterSelectScreen);

            } else if (isHovered(mouseX, mouseY, BUTTON_X, JOIN_ROOM_Y)) {
                Gdx.app.log("Network", "加入房间按钮被点击!");
                // 使用LibGDX的输入对话框避免AWT线程问题
                Gdx.input.getTextInput(new com.badlogic.gdx.Input.TextInputListener() {
                    @Override
                    public void input(String ip) {
                        if (ip != null && !ip.trim().isEmpty()) {
                            new Thread(() -> new ConnectClient(ip.trim(), 11455)).start();
                            Gdx.app.log("Network", "正在连接到服务器 " + ip.trim() + "...");
                            System.out.println("正在连接到服务器 " + ip.trim() + "...");

                            // 使用postRunnable确保在主线程中执行屏幕切换
                            Gdx.app.postRunnable(() -> {
                                CharacterSelectScreen characterSelectScreen = new CharacterSelectScreen(game);
                                characterSelectScreen.setMultiplayerMode(true);
                                game.setScreen(characterSelectScreen);
                            });
                        }
                    }

                    @Override
                    public void canceled() {
                        Gdx.app.log("Network", "用户取消输入 IP");
                    }
                }, "请输入服务器 IP 地址", "", "加入房间");

            } else if (isHovered(mouseX, mouseY, BUTTON_X, EXIT_Y)) {
                Gdx.app.log("Network", "退出按钮被点击!");
                game.setScreen(new MainMenuScreen(game)); // 或者 Gdx.app.exit(); 直接退出游戏
            }
        }
    }

    private void drawButton(int y, int mouseX, int mouseY) {
        boolean hovered = isHovered(mouseX, mouseY, BUTTON_X, y);
        shapeRenderer.setColor(hovered ? Color.LIGHT_GRAY : Color.DARK_GRAY);
        shapeRenderer.rect(BUTTON_X, y, BUTTON_WIDTH, BUTTON_HEIGHT);
    }

    private void drawButtonText(int y, String text) {
        float textX = BUTTON_X + BUTTON_WIDTH / 2f - font.getScaleX() * text.length() * 10;
        float textY = y + BUTTON_HEIGHT / 2f + 20;
        font.draw(batch, text, textX, textY);
    }

    private boolean isHovered(int x, int y, int bx, int by) {
        return x >= bx && x <= bx + BUTTON_WIDTH && y >= by && y <= by + BUTTON_HEIGHT;
    }

    @Override
    public void dispose() {
        batch.dispose();
        font.dispose();
        shapeRenderer.dispose();
    }

}