BuildWorld/InputHandler at main · nishikaura1/BuildWorld · GitHub

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package byow.Core;

import byow.TileEngine.TERenderer;
import byow.TileEngine.TETile;
import edu.princeton.cs.algs4.StdDraw;
import java.awt.*;
import java.io.BufferedReader;
import java.io.FileReader;
import java.util.Random;

public class InputHandler {

    private TETile[][] finalWorldFrame;
    private TERenderer ter;
    private InputSource inputSource;

    public InputHandler(TETile[][] finalWorldFrame, TERenderer ter) {
        this.finalWorldFrame = finalWorldFrame;
        this.ter = ter;
    }

    public void handleInput(String input) {
        if (input.length() == 0) {
            inputSource = new KeyboardInputSource();
            handleInput(true);
            System.exit(0);
        } else {
            inputSource = new StringInputDevice(input);
            handleInput(false);
        }
    }

    private void handleInput(boolean display) {
        renderMainMenu(display);
        while (true) {
            if (inputSource.hasNext()) {
                char c = inputSource.next();
                if (c == 'N') {
                    long seed = Long.parseLong(startNewGame(display));
                    buildWorld(seed, "", "", display, false);
                    return;
                } else if (c == 'L') {
                    openWorld("world.txt", display, false);
                    return;
                } else if (c == 'R') {
                    openWorld("world.txt", display, display);
                    return;
                } else if (c == 'Q') {
                    return;
                }
            }
        }
    }

    private String startNewGame(boolean display) {
        String values = "";
        renderSeedInputScreen(values, display);
        while (true) {
            if (inputSource.hasNext()) {
                char c = inputSource.next();
                if (c == 'S') {
                    return values;
                }
                else {
                    values += c;
                    renderSeedInputScreen(values, display);
                }
            }
        }
    }

    private void openWorld(String filename, boolean display, boolean replayDisplay) {
        try {
            BufferedReader reader = new BufferedReader(new FileReader(filename));
            String[] inputs = reader.readLine().split(" ");
            long seed = Long.parseLong(inputs[2]);
            buildWorld(seed, inputs[0], inputs[1], display, replayDisplay);
        }
        catch (Exception e) {}
    }

    private void buildWorld(long seed, String prevMovement, String replayMovement, boolean display, boolean replayDisplay) {
        Random r = new Random(seed);
        WorldGenerator w = new WorldGenerator(finalWorldFrame, r);
        w.createWorld();
        Interactor i = new Interactor(finalWorldFrame, inputSource, ter, r, seed);
        i.interact(prevMovement, replayMovement, display, replayDisplay);
    }

    private void renderMainMenu(boolean display) {
        if (display) {
            StdDraw.clear(Color.BLACK);
            StdDraw.setPenColor(Color.WHITE);
            StdDraw.setFont(new Font("Monaco", Font.BOLD, 25));
            StdDraw.text(finalWorldFrame.length/2, 24, "CS61B: THE GAME");
            StdDraw.setFont(new Font("Monaco", Font.BOLD, 17));
            StdDraw.text(finalWorldFrame.length/2, 17, "New Game (N)");
            StdDraw.text(finalWorldFrame.length/2, 15, "Load Game (L)");
            StdDraw.text(finalWorldFrame.length/2, 13, "Replay Game (R)");
            StdDraw.text(finalWorldFrame.length/2, 11, "Quit (Q)");
            StdDraw.show();
        }
    }

    private void renderSeedInputScreen(String values, boolean display) {
        if (display) {
            StdDraw.clear(Color.BLACK);
            StdDraw.setPenColor(Color.WHITE);
            StdDraw.setFont(new Font("Monaco", Font.BOLD, 25));
            StdDraw.text(finalWorldFrame.length/2, 24, "ENTER SEED:");
            StdDraw.setFont(new Font("Monaco", Font.BOLD, 17));
            StdDraw.text(finalWorldFrame.length/2, 15, values);
            StdDraw.show();
        }
    }

}