343 lines
10 KiB
Java
343 lines
10 KiB
Java
package ca.bcit.comp2522.project;
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import javafx.application.Application;
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import javafx.geometry.Insets;
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import javafx.geometry.Pos;
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import javafx.scene.Scene;
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import javafx.scene.control.Button;
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import javafx.scene.control.Label;
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import javafx.scene.input.MouseButton;
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import javafx.scene.layout.GridPane;
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import javafx.scene.layout.VBox;
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import javafx.scene.text.Font;
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import javafx.scene.text.FontWeight;
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import javafx.stage.Stage;
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import java.util.HashMap;
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import java.util.Map;
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import java.util.Random;
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import java.util.function.Consumer;
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public class Mines extends Application
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{
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private static final int FONT_SIZE = 18;
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private static final Font FONT = Font.font("Arial", FontWeight.BOLD, FONT_SIZE);
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private static final int WINDOW_WIDTH = 1920;
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private static final int WINDOW_HEIGHT = 1080;
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private static final int BUTTON_WIDTH = 60;
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private static final int BUTTON_HEIGHT = 60;
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private static final int MENU_BUTTON_WIDTH = 180;
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private static final int MENU_BUTTON_HEIGHT = 80;
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private static final int EASY_WIDTH = 8;
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private static final int EASY_HEIGHT = 8;
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private static final int HARD_WIDTH = 36;
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private static final int HARD_HEIGHT = 16;
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private static final int PADDING = 20;
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private static final int GAME_PADDING = 5;
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private static final int VERTICAL_MARGIN = 15;
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private static final int EASY_MINES = 10;
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private static final int HARD_MINES = 99;
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private static final int MINE = -1;
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private static final int NO_MINE = 0;
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private static final int MIN_OFFSET = -1;
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private static final int MAX_OFFSET = 1;
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private static final int SELF_OFFSET = 0;
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private static final int FIRST_ROW = 0;
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private static final int FIRST_COL = 0;
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private static final int NO_FLAG = 0;
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private static final int FLAG = 1;
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private static final int FLAG_QUESTION = 2;
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private static final int DEFAULT_BUTTON = -2;
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private static final Map<Integer, String> BUTTON_THEMES = new HashMap<>();
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static {
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BUTTON_THEMES.put(-2, "-fx-background-color: #b3b3b3; -fx-text-fill: black;");
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BUTTON_THEMES.put(-1, "-fx-background-color: #d9d9d9; -fx-text-fill: black;");
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BUTTON_THEMES.put(0, "-fx-background-color: #d9d9d9; -fx-text-fill: black;");
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BUTTON_THEMES.put(1, "-fx-background-color: #c8ffbf; -fx-text-fill: black;");
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BUTTON_THEMES.put(2, "-fx-background-color: #edfc9f; -fx-text-fill: black;");
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BUTTON_THEMES.put(3, "-fx-background-color: #fad08c; -fx-text-fill: black;");
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BUTTON_THEMES.put(4, "-fx-background-color: #f59338; -fx-text-fill: black;");
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BUTTON_THEMES.put(5, "-fx-background-color: #ff644d; -fx-text-fill: black;");
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BUTTON_THEMES.put(6, "-fx-background-color: #ff644d; -fx-text-fill: black;");
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BUTTON_THEMES.put(7, "-fx-background-color: #ff644d; -fx-text-fill: black;");
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BUTTON_THEMES.put(8, "-fx-background-color: #ff644d; -fx-text-fill: black;");
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}
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private int[] field;
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private boolean[] revealed;
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private int[] flagged;
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private Button[] buttons;
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private int width;
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private int height;
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private int flags;
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@Override
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public void start(final Stage stage)
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{
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final Label title;
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final Button smallBtn;
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final Button largeBtn;
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title = new Label("Select Game Size");
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title.setStyle("-fx-font-size: 20px; -fx-font-weight: bold;");
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smallBtn = new Button("8 × 8 (Beginner)");
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largeBtn = new Button("36 × 16 (Expert)");
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smallBtn.setPrefWidth(MENU_BUTTON_WIDTH);
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largeBtn.setPrefWidth(MENU_BUTTON_WIDTH);
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smallBtn.setOnAction(e -> startGame(EASY_WIDTH, EASY_HEIGHT, EASY_MINES));
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largeBtn.setOnAction(e -> startGame(HARD_WIDTH, HARD_HEIGHT, HARD_MINES));
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final VBox root;
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final Scene scene;
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root = new VBox(VERTICAL_MARGIN);
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scene = new Scene(root, WINDOW_WIDTH, WINDOW_HEIGHT);
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root.setPadding(new Insets(PADDING));
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root.setAlignment(Pos.CENTER);
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root.getChildren().addAll(title, smallBtn, largeBtn);
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stage.setTitle("Random Mines - A Minesweeper Game");
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stage.setResizable(false);
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stage.setScene(scene);
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stage.show();
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}
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private void forEachNeighbor(
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final int index,
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final Consumer<Integer> action
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) {
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final int row;
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final int col;
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row = index / width;
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col = index % width;
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for (int dr = MIN_OFFSET; dr <= MAX_OFFSET; dr++)
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{
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for (int dc = MIN_OFFSET; dc <= MAX_OFFSET; dc++)
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{
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if (dr == SELF_OFFSET && dc == SELF_OFFSET)
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{
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continue;
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}
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final int nr;
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final int nc;
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nr = row + dr;
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nc = col + dc;
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if (nr < FIRST_ROW || nr >= height ||
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nc < FIRST_COL || nc >= width)
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{
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continue;
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}
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final int neighborIndex;
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neighborIndex = nr * width + nc;
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action.accept(neighborIndex);
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}
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}
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}
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private void generateField(final int mines)
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{
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this.revealed = new boolean[width * height];
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this.field = new int[width * height];
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this.flagged = new int[width * height];
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final Random rand;
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int placed;
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rand = new Random();
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placed = NO_MINE;
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while (placed < mines)
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{
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final int index;
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index = rand.nextInt(width * height);
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if (this.field[index] != MINE)
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{
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this.field[index] = MINE;
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placed++;
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}
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}
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for (int i = 0; i < this.field.length; i++)
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{
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if (this.field[i] == MINE)
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{
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continue;
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}
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final int[] count = { NO_MINE };
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forEachNeighbor(i, neighborIndex -> {
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if (this.field[neighborIndex] == MINE)
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{
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count[SELF_OFFSET]++;
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}
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});
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this.field[i] = count[SELF_OFFSET];
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}
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}
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private void popFieldVoid(final int index)
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{
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forEachNeighbor(index, neighborIndex -> {
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if (!this.revealed[neighborIndex])
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{
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reveal(neighborIndex);
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if (this.field[neighborIndex] == NO_MINE)
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{
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popFieldVoid(neighborIndex);
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}
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}
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});
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}
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private void startGame(
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final int width,
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final int height,
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final int mines
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) {
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this.flags = NO_FLAG;
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this.buttons = new Button[width * height];
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this.width = width;
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this.height = height;
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generateField(mines);
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final Stage gameStage;
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final VBox box;
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final GridPane grid;
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gameStage = new Stage();
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box = new VBox();
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grid = createGrid(width, height);
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box.getChildren().add(grid);
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box.setAlignment(Pos.CENTER);
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final Scene scene;
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scene = new Scene(box, WINDOW_WIDTH, WINDOW_HEIGHT);
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gameStage.setScene(scene);
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gameStage.setTitle("Random Mines " + width + "x" + height);
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gameStage.show();
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}
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private void flag(final int index)
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{
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this.flagged[index] = (this.flagged[index] + FLAG) % (FLAG_QUESTION + FLAG);
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final String buttonText;
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buttonText = this.flagged[index] == FLAG ? "F" :
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this.flagged[index] == FLAG_QUESTION ? "?" : "";
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this.buttons[index].setText(buttonText);
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this.flags = this.flagged[index] == FLAG ?
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this.flags + FLAG :
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this.flags - FLAG;
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}
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private GridPane createGrid(
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final int width,
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final int height
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) {
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final GridPane grid;
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grid = new GridPane();
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grid.setPadding(new Insets(GAME_PADDING));
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grid.setHgap(GAME_PADDING);
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grid.setVgap(GAME_PADDING);
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for (int i = 0; i < width; i++)
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{
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for (int j = 0; j < height; j++)
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{
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final Button button;
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final int index;
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index = (j * width) + i;
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button = new Button();
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button.setFont(FONT);
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button.setPrefSize(BUTTON_WIDTH, BUTTON_HEIGHT);
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button.setStyle(BUTTON_THEMES.get(DEFAULT_BUTTON));
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button.setOnMouseEntered(e -> button.setCursor(javafx.scene.Cursor.HAND));
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button.setOnMouseExited(e -> button.setCursor(javafx.scene.Cursor.DEFAULT));
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button.setOnMouseClicked(e -> {
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if (e.getButton() == MouseButton.PRIMARY)
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{
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reveal(index);
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}
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else if (e.getButton() == MouseButton.SECONDARY)
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{
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flag(index);
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}
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else
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{
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// do nothing
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return;
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}
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});
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grid.add(button, i, j);
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this.buttons[index] = button;
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}
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}
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return grid;
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}
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private void reveal(final int index)
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{
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if (this.revealed[index])
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{
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return;
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}
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final String buttonText;
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final Button button;
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button = this.buttons[index];
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buttonText = "" + (this.field[index] == MINE ? "*" :
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this.field[index] == NO_MINE ? " " :
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this.field[index]);
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button.setText(buttonText);
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button.setStyle(BUTTON_THEMES.get(this.field[index]));
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button.setMouseTransparent(true);
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button.setFocusTraversable(false);
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this.revealed[index] = true;
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if (this.field[index] == NO_MINE)
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{
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popFieldVoid(index);
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}
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}
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public static void main(final String[] args)
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{
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launch(args);
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}
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}
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