Merge commit '3160bf1ed58da47da6d6d1011f72843e068acb8e' into HEAD

src/main/java/Minesweeper/Cell.java

@@ -0,0 +1,142 @@
+package Minesweeper;
+
+import java.awt.Color;
+import java.awt.Point;
+import java.awt.event.ActionEvent;
+import java.awt.event.ActionListener;
+import java.awt.event.MouseAdapter;
+import java.awt.event.MouseEvent;
+
+import javax.swing.JButton;
+import javax.swing.JOptionPane;
+
+enum CellType {
+	Number, Bomb
+}
+
+public class Cell extends JButton {
+
+	private static final Color FLAGCOLOR = Color.RED;
+	private static final Color FLOODEDCOLOR = Color.LIGHT_GRAY;
+	private static final Color HIDDENCOLOR = Color.GRAY;
+	private static final Color MINECOLOR = Color.BLACK;
+	private static final long serialVersionUID = 1L;
+	private Playfield playfield;
+
+	public CellType type;
+	public Point cord;
+	public boolean flagged = false;
+	public int value = 0;
+
+	public Cell(CellType _type, Playfield _playfield, Point _cord) {
+		type = _type;
+		cord = _cord;
+		playfield = _playfield;
+		
+		setBackground(Color.white);
+		addActionListener(new ActionListener() {
+			@Override
+			public void actionPerformed(ActionEvent e) {
+				OnMouseClick();
+			}
+		});
+
+		addMouseListener(new MouseAdapter() {
+			@Override
+			public void mousePressed(MouseEvent e) {
+				// TODO Auto-generated method stub
+				super.mousePressed(e);
+				if (e.getButton() == 3) {
+					OnMouseRightClick();
+				}
+			}
+		});
+	}
+
+	protected void OnMouseClick() {
+		if (!flagged) {
+			reveal();
+			if (type != CellType.Bomb) {
+				flood();
+			} else {
+				playfield.revealAllBombs();
+				JOptionPane.showMessageDialog(getParent(),"KABOOM! Try again!");
+				playfield.reset();
+			}
+			
+		}
+	}
+
+	protected void OnMouseRightClick() {
+		if (isEnabled()) {
+			if (flagged) {
+				flagged = false;
+				
+				if (type == CellType.Number) {
+					setBackground(HIDDENCOLOR);
+					playfield.cellDried();
+				} else {
+					setBackground(MINECOLOR);
+				}
+				
+			} else {
+				flagged = true;
+				setBackground(FLAGCOLOR);
+				if (type == CellType.Number) {
+					playfield.cellFlooded();
+				}
+			}
+		}
+	}
+
+	public void reveal() {
+		if (type == CellType.Number) {
+			setText(String.valueOf(value));
+		} else {
+			setBackground(MINECOLOR);
+		}
+	}
+
+	public void flood() {
+		if (type == CellType.Bomb || flagged) {
+			return;
+		}
+		
+		setBackground(FLOODEDCOLOR);
+		setEnabled(false);
+		playfield.cellFlooded();
+		
+		if (value == 0) {
+			if (cord.y > 0) {
+				if (playfield.cells[cord.y - 1][cord.x].type == CellType.Number
+						&& playfield.cells[cord.y - 1][cord.x].isEnabled()) {
+					playfield.cells[cord.y - 1][cord.x].flood();
+				}
+			}
+
+			if (cord.x < playfield.Size - 1) {
+				if (playfield.cells[cord.y][cord.x + 1].type == CellType.Number
+						&& playfield.cells[cord.y][cord.x + 1].isEnabled()) {
+					playfield.cells[cord.y][cord.x + 1].flood();
+				}
+			}
+
+			if (cord.y < playfield.Size - 1) {
+				if (playfield.cells[cord.y + 1][cord.x].type == CellType.Number
+						&& playfield.cells[cord.y + 1][cord.x].isEnabled()) {
+					playfield.cells[cord.y + 1][cord.x].flood();
+				}
+			}
+
+			if (cord.x > 0) {
+				if (playfield.cells[cord.y][cord.x - 1].type == CellType.Number
+						&& playfield.cells[cord.y][cord.x - 1].isEnabled()) {
+					playfield.cells[cord.y][cord.x - 1].flood();
+				}
+			}
+
+		}
+
+	}
+
+}

src/main/java/Minesweeper/MinesweeperGame.java

@@ -0,0 +1,27 @@
+package Minesweeper;
+
+import javax.swing.JFrame;
+import javax.swing.JPanel;
+
+public class MinesweeperGame extends JPanel {
+
+	private static final long serialVersionUID = 1L;
+	public static final int WIDTH = 600, HEIGTH = 600;
+	public Playfield playfield;
+
+	public MinesweeperGame(int _playfieldSize, int _bombAmount) {
+		this.setSize(WIDTH, HEIGTH);
+		setLayout(null);
+		playfield = new Playfield(this, _playfieldSize, _bombAmount );
+	}
+
+	public static void main(String[] args) {
+		JFrame f = new JFrame();
+		MinesweeperGame MsG = new MinesweeperGame(8, 10);
+
+		f.add(MsG);
+		f.setSize(WIDTH, HEIGTH);
+		f.setLayout(null);
+		f.setVisible(true);
+	}
+}

src/main/java/Minesweeper/Playfield.java

@@ -0,0 +1,149 @@
+package Minesweeper;
+
+import java.awt.Point;
+
+import javax.swing.JOptionPane;
+
+public class Playfield {
+
+	private static final int CELLSIZE = 50;
+	public int Size;
+	private MinesweeperGame MsG;
+	public Cell[][] cells;
+	private int bombAmount;
+	private int cellsFlooded = 0;
+
+	public Playfield(MinesweeperGame _MsG, int _Size, int _bombAmount) {
+		MsG = _MsG;
+		Size = _Size;
+		bombAmount = _bombAmount;
+		generatePlayfield();
+	}
+
+	public void generatePlayfield() {
+
+		cells = new Cell[Size][Size];
+
+		int[] bPlacement = new int[bombAmount];
+		for (int i = 0; i < bPlacement.length; i++) {
+			bPlacement[i] = (int) (Math.random() * Size * Size);
+
+			for (int j = 0; j < i; j++) {
+				if (bPlacement[i] == bPlacement[j]) {
+					i--;
+					break;
+				}
+			}
+		}
+
+		for (int i = 0; i < Size; i++) {
+			for (int j = 0; j < Size; j++) {
+				cells[i][j] = new Cell(CellType.Number, this, new Point(j, i));
+
+				cells[i][j].setBounds(j * CELLSIZE + (MsG.WIDTH / 2 - Size * CELLSIZE / 2),
+						i * CELLSIZE + (MsG.HEIGTH / 2 - Size * CELLSIZE / 2), CELLSIZE, CELLSIZE);
+				MsG.add(cells[i][j]);
+				for (int k = 0; k < bPlacement.length; k++) {
+					if (bPlacement[k] == i * Size + j) {
+						cells[i][j].type = CellType.Bomb;
+						break;
+					}
+				}
+			}
+		}
+
+		for (int i = 0; i < Size; i++) {
+			for (int j = 0; j < Size; j++) {
+				if (cells[i][j].type == CellType.Number) {
+					calculateBombProximity(i, j);
+				}
+			}
+		}
+		MsG.repaint();
+	}
+
+	public void reset() {
+		cellsFlooded = 0;
+		for (int i = 0; i < Size; i++) {
+			for (int j = 0; j < Size; j++) {
+				MsG.remove(cells[i][j]);
+			}
+		}
+		generatePlayfield();
+	}
+
+	public void calculateBombProximity(int row, int column) {
+
+		if (row > 0) {
+			if (column > 0) {
+				if (cells[row - 1][column - 1].type == CellType.Bomb) {
+					cells[row][column].value++;
+				}
+			}
+
+			if (cells[row - 1][column].type == CellType.Bomb) {
+				cells[row][column].value++;
+			}
+
+			if (column < cells.length - 1) {
+				if (cells[row - 1][column + 1].type == CellType.Bomb) {
+					cells[row][column].value++;
+				}
+			}
+		}
+
+		if (row < cells.length - 1) {
+			if (column > 0) {
+				if (cells[row + 1][column - 1].type == CellType.Bomb) {
+					cells[row][column].value++;
+				}
+			}
+
+			if (cells[row + 1][column].type == CellType.Bomb) {
+				cells[row][column].value++;
+			}
+
+			if (column < cells.length - 1) {
+				if (cells[row + 1][column + 1].type == CellType.Bomb) {
+					cells[row][column].value++;
+				}
+			}
+		}
+
+		if (column > 0) {
+			if (cells[row][column - 1].type == CellType.Bomb) {
+				cells[row][column].value++;
+			}
+		}
+		if (column < cells.length - 1) {
+			if (cells[row][column + 1].type == CellType.Bomb) {
+				cells[row][column].value++;
+			}
+		}
+
+	}
+
+	public void cellFlooded() {
+		cellsFlooded++;
+		if (cellsFlooded >= Size * Size - bombAmount) {
+			revealAllBombs();
+			JOptionPane.showMessageDialog(MsG, "You won, congratulations!");
+			reset();
+		}
+	}
+
+	public void revealAllBombs() {
+		for (int i = 0; i < Size; i++) {
+			for (int j = 0; j < Size; j++) {
+				if(cells[i][j].type == CellType.Bomb) {					
+					cells[i][j].reveal();
+				}
+			}
+		}
+		MsG.repaint();
+	}
+
+	public void cellDried() {
+		cellsFlooded--;
+	}
+}

src/test/java/Minesweeper/MinesweeperGameTest.java

@@ -0,0 +1,53 @@
+package Minesweeper;
+
+import static org.junit.jupiter.api.Assertions.*;
+
+import java.util.stream.Stream;
+
+import org.junit.jupiter.api.Test;
+import org.junit.jupiter.params.ParameterizedTest;
+import org.junit.jupiter.params.provider.Arguments;
+import org.junit.jupiter.params.provider.MethodSource;
+
+class MinesweeperGameTest {
+
+	@ParameterizedTest
+	@MethodSource("testBombs")
+	void testBombPlacement(int _playfieldSize, int _bombAmount) {
+		MinesweeperGame m = new MinesweeperGame(_playfieldSize, _bombAmount);
+		
+		int bombCounter = 0;
+		
+		for(Cell[] row : m.playfield.cells){
+			for (Cell c : row) {
+				if(c.type == CellType.Bomb) {
+					bombCounter++;
+				}
+			}
+		}
+ 		assertEquals(_bombAmount, bombCounter); 
+	}
+
+	@Test
+	void testProximityPoints() {
+		MinesweeperGame m = new MinesweeperGame(3, 0);
+		m.playfield.cells[0][0].type = CellType.Bomb;
+		m.playfield.calculateBombProximity(1, 1);
+		
+ 		assertEquals(1, m.playfield.cells[1][1].value); 
+	}
+	
+	
+	private static Stream<Arguments> testBombs(){
+		return Stream.of(
+				Arguments.of(8, 10),
+				Arguments.of(8, 0),
+				Arguments.of(4, 12),
+				Arguments.of(10, 100),
+				Arguments.of(5, 1)	
+				);
+	}
+	
+
+	
+}