@Override
public void actionPerformed(ActionEvent a) {
JTextField mapWidthInput = new JTextField("11"), mapHeightInput = new JTextField("11");
JPanel optionPanel = new JPanel(new GridLayout(0, 1));
width = 0;
height = 0;
String Width = "", Height = "";
optionPanel.add(new JLabel("Map Width: "));
optionPanel.add(mapWidthInput);
optionPanel.add(new JLabel("Map Height: "));
optionPanel.add(mapHeightInput);
int result =
JOptionPane.showConfirmDialog(
Main.parentFrame,
optionPanel,
"Map Options",
JOptionPane.OK_CANCEL_OPTION,
JOptionPane.PLAIN_MESSAGE);
if (result == JOptionPane.OK_OPTION) {
Width = mapWidthInput.getText();
Height = mapHeightInput.getText();
try {
width = Integer.parseInt(Width);
height = Integer.parseInt(Height);
} catch (NumberFormatException err) {
JOptionPane.showMessageDialog(null, "Is it that hard to just use numbers? \n" + err);
return;
}
}
if (width >= 900 && width <= 10
|| height >= 600
|| height <= 10
|| width % 2 == 0
|| height % 2 == 0) {
JOptionPane.showMessageDialog(
null,
"Invalid Input(s). Width must be 11-899 and height must be 11-599. Only odd numbers.");
return;
}
startTime = System.currentTimeMillis();
map = new BufferedImage(width, height, BufferedImage.TYPE_INT_RGB);
int GX = 0, GY = 0, maxGX = 0, maxGY = 0;
cells = new cell[width][height];
for (int x = 0; x < width; x++) {
for (int y = 0; y < height; y++) {
if (x % 2 == 0 || y % 2 == 0) map.setRGB(x, y, Color.black.getRGB());
else map.setRGB(x, y, Color.white.getRGB());
if (y % 2 == 1)
if (x % 2 == 1) {
cells[GX][GY] = new cell(x, y, GX, GY);
// JOptionPane.showMessageDialog(Main.parentFrame,
// "GX: " + GX + " GY: " + GY);
GY++;
}
if (GX > maxGX) maxGX = GX;
if (GY > maxGY) maxGY = GY;
}
if (x % 2 == 1) {
GX++;
GY = 0;
}
}
image = (Image) map;
scale = Math.min(600 / height, 900 / width);
Main.Canvas.setBorder(BorderFactory.createLineBorder(Color.black));
Main.map = map;
image = map.getScaledInstance(width * scale, height * scale, Image.SCALE_DEFAULT);
Main.Canvas.setIcon(new ImageIcon(image));
Random r = new Random(System.currentTimeMillis());
int startX = r.nextInt(maxGX + 1), startY = r.nextInt(maxGY + 1);
startCell = currentCell = cells[startX][startY];
Generate inst = new Generate();
inst.execute();
Main.map = null;
Main.checkMapBuffered();
}
@Override
protected Void doInBackground() throws Exception {
do {
int direction = getNextCell(currentCell, cells);
if (direction >= 0) {
if (direction == 0) {
for (int i = 1; i < 3; i++)
map.setRGB(currentCell.x - i, currentCell.y, Color.white.getRGB());
currentCell = cells[currentCell.gridX - 1][currentCell.gridY];
} else if (direction == 1) {
for (int i = 1; i < 3; i++)
map.setRGB(currentCell.x, currentCell.y - i, Color.white.getRGB());
currentCell = cells[currentCell.gridX][currentCell.gridY - 1];
} else if (direction == 2) {
for (int i = 1; i < 3; i++)
map.setRGB(currentCell.x + i, currentCell.y, Color.white.getRGB());
currentCell = cells[currentCell.gridX + 1][currentCell.gridY];
} else if (direction == 3) {
for (int i = 1; i < 3; i++)
map.setRGB(currentCell.x, currentCell.y + i, Color.white.getRGB());
currentCell = cells[currentCell.gridX][currentCell.gridY + 1];
}
} else {
// JOptionPane.showMessageDialog(Main.parentFrame,
// "current X: " + currentCell.x + " current y: " +
// currentCell.y);
if (map.getRGB(currentCell.x - 1, currentCell.y) == Color.white.getRGB()
&& !cells[currentCell.gridX - 1][currentCell.gridY].backtracked) {
currentCell.backtracked = true;
currentCell = cells[currentCell.gridX - 1][currentCell.gridY];
} else if (map.getRGB(currentCell.x, currentCell.y - 1) == Color.white.getRGB()
&& !cells[currentCell.gridX][currentCell.gridY - 1].backtracked) {
currentCell.backtracked = true;
currentCell = cells[currentCell.gridX][currentCell.gridY - 1];
} else if (map.getRGB(currentCell.x + 1, currentCell.y) == Color.white.getRGB()
&& !cells[currentCell.gridX + 1][currentCell.gridY].backtracked) {
currentCell.backtracked = true;
currentCell = cells[currentCell.gridX + 1][currentCell.gridY];
} else if (map.getRGB(currentCell.x, currentCell.y + 1) == Color.white.getRGB()
&& !cells[currentCell.gridX][currentCell.gridY + 1].backtracked) {
currentCell.backtracked = true;
currentCell = cells[currentCell.gridX][currentCell.gridY + 1];
}
}
if (Main.trail.isSelected()) {
image = map.getScaledInstance(width * scale, height * scale, Image.SCALE_DEFAULT);
Main.Canvas.setIcon(new ImageIcon(image));
}
// JOptionPane.showMessageDialog(Main.parentFrame, "X: " +
// currentCell.x + " Y: " + currentCell.y);
} while (!(currentCell.x == startCell.x && currentCell.y == startCell.y));
map.setRGB(1, 1, Color.red.getRGB());
map.setRGB(width - 2, height - 2, Color.blue.getRGB());
Main.map = map;
image = map.getScaledInstance(width * scale, height * scale, Image.SCALE_DEFAULT);
Main.Canvas.setIcon(new ImageIcon(image));
Main.checkMapBuffered();
endTime = System.currentTimeMillis();
JOptionPane.showMessageDialog(
Main.parentFrame, "Total elapsed time: " + (endTime - startTime) + " ms");
return null;
}