Added a Board class with methods for tile generation and manipulation

This commit is contained in:
Kai S. K. Engelbart 2019-03-22 17:54:18 +01:00
parent e6a6c22151
commit cf32276388
2 changed files with 117 additions and 1 deletions

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@ -0,0 +1,111 @@
package dev.kske.minesweeper;
import java.awt.Point;
import java.awt.Rectangle;
import java.awt.image.BufferedImage;
import java.util.Random;
/**
* Project: <strong>Minesweeper</strong><br>
* File: <strong>Board.java</strong><br>
* Created: <strong>22.03.2019</strong><br>
* Author: <strong>Kai S. K. Engelbart</strong>
*/
public class Board {
private int tileSize, width, height;
private Rectangle screen;
private BufferedImage[] icons;
private GameState gameState;
private int mines, activeTiles, flaggedTiles;
private Tile[][] board;
public Board(int x, int y, int width, int height, int tileSize, int mines) {
this.tileSize = tileSize;
this.width = width;
this.height = height;
screen = new Rectangle(x, y, x + width * tileSize, y + height * tileSize);
// TODO: Init icons
gameState = GameState.ACTIVE;
this.mines = mines;
activeTiles = width * height;
flaggedTiles = 0;
board = new Tile[width][height];
for (int i = 0; i < width; i++)
for (int j = 0; j < height; j++)
board[i][j] = new Tile();
}
public Point getTilePos(int x, int y) {
return new Point((x - screen.x) / tileSize, (y - screen.y) / tileSize);
}
public void initMines() {
int remaining = mines;
Random random = new Random();
while (remaining > 0) {
// Randomly select a tile
int n = random.nextInt(width);
int m = random.nextInt(height);
// Check if the selected tile already is a mine
if (!board[n][m].isMine()) {
// Decrement the counter
remaining--;
// Place the mine
board[n][m].setMine(true);
// Adjust surrounding mine counters
for (int i = Math.max(0, n - 1); i < Math.min(n + 1, board.length); i++)
for (int j = Math.max(0, m - 1); j < Math.min(m + 1, board[i].length); j++)
if (i != n || j != m) board[i][j].setSurroundingMines(board[i][j].getSurroundingMines() + 1);
}
}
}
public void touchTile(int n, int m) {
Tile tile = board[n][m];
if (!tile.isTouched()) {
tile.setTouched(true);
activeTiles--;
tile.setDrawSurroundingMines(true);
// Adjust the number of flagged tiles if the tile was flagged
if (tile.isFlagged()) {
tile.setFlagged(false);
flaggedTiles--;
}
// Test if the game is won or lost
if (tile.isMine()) gameState = GameState.LOST;
else if (mines == activeTiles) gameState = GameState.WON;
// Touch surrounding tiles when there are zero surrounding mines
else if (tile.getSurroundingMines() == 0)
for (int i = Math.max(0, n - 1); i < Math.min(n + 1, board.length); i++)
for (int j = Math.max(0, m - 1); j < Math.min(m + 1, board[i].length); j++)
touchTile(i, j);
// Redraw the touched tile
// TODO: Draw tile
}
}
public void flagTile(Point tilePos) {
Tile tile = board[tilePos.x][tilePos.y];
if (!tile.isTouched()) {
if (tile.isFlagged()) {
tile.setFlagged(false);
flaggedTiles--;
} else {
tile.setFlagged(true);
flaggedTiles++;
}
// TODO: Draw tile
}
}
}

View File

@ -4,7 +4,12 @@ import java.awt.EventQueue;
import javax.swing.JFrame;
/**
* Project: <strong>Minesweeper</strong><br>
* File: <strong>Minesweeper.java</strong><br>
* Created: <strong>21.03.2019</strong><br>
* Author: <strong>Kai S. K. Engelbart</strong>
*/
public class Minesweeper {
private JFrame mframe;