tiny_settlement_schule/src/main/java/view/UI.java

package view;

import util.GAMESTATE;
import view.components.Button;
import view.popUpMenu.PopupMenu;
import view.tile.interactive.InteractiveTile;
import view.tile.interactive.ONCLICKTYPE;

import java.awt.*;
import java.util.ArrayList;

public class UI {
    private GamePanel gp;
    private Graphics2D g2;
    private Font arial_40;
    private ArrayList<Button> activeButtons = new ArrayList<>();
    private ArrayList<InteractiveTile> interactiveTiles = new ArrayList<>();
    public UI(GamePanel gp){
        this.gp = gp;
        arial_40 = new Font("Arial", Font.PLAIN, 80);
    }

    public void draw(Graphics2D g2){
        this.g2 = g2;
        g2.setFont(arial_40);
        g2.setColor(Color.white);

        if(gp.gameState == GAMESTATE.PAUSED){
            drawPauseScreen(g2, "Game paused");
        }
    }
    public void handleMenuClick(int screenX, int screenY) {
        for (Button button : activeButtons) {
            if (button.wasClicked(screenX, screenY)) {
                button.click();
                break;
            }
        }
    }
    public void handleClick(int screenX, int screenY){
        for (InteractiveTile tile : gp.tileManager.interactiveTiles) {

            if(tile.getClicked() && tile.getOnClickType() == ONCLICKTYPE.POPUP){
                PopupMenu popupMenu = tile.getPopupMenu();
                Button clickedButton = popupMenu.getClickedButton(screenX,screenY);
                if(clickedButton != null){
                    clickedButton.click();
                }
            }

            if (tile.isClicked(screenX, screenY, gp.camera) && !tile.getClicked()) {
                tile.click(screenX, screenY);
            }else if(tile.getClicked()){
                tile.unClick();
            }
        }
    }
    private void drawPauseScreen(Graphics2D g2, String message) {


        // Background overlay
        g2.setColor(new Color(0, 0, 0, 150));
        g2.fillRect(0, 0, gp.screenWidth, gp.screenHeight);

        // Dialog box
        int boxWidth = gp.screenWidth / 2;
        int boxHeight = gp.screenHeight / 2;
        int boxX = gp.screenWidth / 2 - boxWidth / 2;
        int boxY = gp.screenHeight / 4;

        g2.setColor(Color.WHITE);
        g2.fillRoundRect(boxX, boxY, boxWidth, boxHeight, 25, 25);

        // Message text
        g2.setColor(Color.BLACK);
        g2.setFont(new Font("Arial", Font.BOLD, 28));
        FontMetrics fm = g2.getFontMetrics();
        int msgWidth = fm.stringWidth(message);
        g2.drawString(message, gp.screenWidth / 2 - msgWidth / 2, boxY + 50);

        // Buttons
        int buttonWidth = 260;
        int buttonHeight = 40;
        int spacing = 20;

        int buttonX = gp.screenWidth / 2 - buttonWidth / 2;
        int resumeY = boxY + 100;
        int saveY = resumeY + buttonHeight + spacing;
        int exitY = resumeY + buttonHeight + buttonHeight + spacing + spacing;
        Button resumeButton = new Button(buttonWidth, buttonHeight, "Continue", () -> {
            gp.gameState = GAMESTATE.PLAY;
        });
        drawAndRegisterButton(resumeButton, buttonX, resumeY);

        Button exitButton = new Button(buttonWidth, buttonHeight, "Quit", () -> {
            gp.gameState = GAMESTATE.QUIT;
        });
        drawAndRegisterButton(exitButton, buttonX, exitY);

        Button saveButton = new Button(buttonWidth, buttonHeight, "Save", () -> {
            gp.gameState = GAMESTATE.SAVE;
        });
        drawAndRegisterButton(saveButton, buttonX, saveY);
    }

    private void drawAndRegisterButton(Button button, int buttonX, int buttonY){
        button.setScreenCoordinates(buttonX, buttonY);
        button.draw(g2);
        activeButtons.add(button);
    }
    public int getXForCenteredText(String text){
        int length = (int)g2.getFontMetrics().getStringBounds(text, g2).getWidth();
        return gp.screenWidth/2 - length/2;
    }

    public void closeMenus() {
        for (InteractiveTile tile : gp.tileManager.interactiveTiles) {
            tile.unClick();
        }
    }
}