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Grid.java
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Grid.java
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import java.util.Arrays;
import java.util.Random;
public class Grid {
private boolean [][] bombGrid;
private int [][] countGrid;
private int numRows;
private int numColumns;
private int numBombs;
//-------------------HELPER METHODS-------------------------------------------------------------------
private void addOneBomb (boolean [][] grid) {
Random rand = new Random ();
int rIndex;
int cIndex;
while (true) {
rIndex = rand.nextInt(grid.length);
cIndex = rand.nextInt(grid[0].length);
while (grid[rIndex][cIndex]) {
rIndex = rand.nextInt(grid.length);
cIndex = rand.nextInt(grid[0].length);
}
grid[rIndex][cIndex] = true;
break;
}
}
private void createBombGrid() {
for (int i = 0; i < this.bombGrid.length; ++i) {
for (int j = 0; j < this.bombGrid[i].length; ++j) {
this.bombGrid[i][j] = false;
}
}
for (int i = 0; i < this.numBombs; ++i) {
this.addOneBomb(this.bombGrid);
}
}
public int countOneCell (boolean[][] bombGrid, int r, int c) {
int count = 0;
for (int i = r-1; i <= r+1; i++) {
for (int j = c-1; j <= c+1; j++) {
try {
if (bombGrid[i][j]){
++count;
}
} catch (Exception e) {}
}
}
return count;
}
public void createCountGrid() {
for (int i = 0; i < this.countGrid.length; i++) {
for (int j = 0; j < this.countGrid[i].length; j++) {
this.countGrid[i][j] = this.countOneCell(bombGrid, i, j);
}
}
}
//-------------------CONSTRUCTORS-----------------------------------------------------------------------
public Grid() {
this.numRows = 10;
this.numColumns = 10;
this.numBombs = 25;
this.bombGrid = new boolean[10][10];
this.countGrid = new int [10][10];
this.createBombGrid();
this.createCountGrid();
}
public Grid (int rows, int columns) {
this.numRows = rows;
this.numColumns = columns;
this.numBombs = 25;
this.bombGrid = new boolean[this.numRows][this.numColumns];
this.countGrid = new int [this.numRows][this.numColumns];
this.createBombGrid();
this.createCountGrid();
}
public Grid (int rows, int columns, int numBombs) {
this.numRows = rows;
this.numColumns = columns;
this.numBombs = numBombs;
this.bombGrid = new boolean[this.numRows][this.numColumns];
this.countGrid = new int [this.numRows][this.numColumns];
this.createBombGrid();
this.createCountGrid();
}
//-----------------------GETTERS AND SETTERS-----------------------------------------------------------
public int getNumRows() {
return this.numRows;
}
public int getNumColumns() {
return this.numColumns;
}
public int getNumBombs() {
return this.numBombs;
}
public boolean[][] getBombGrid() {
boolean[][] temp = new boolean [bombGrid.length][bombGrid[0].length];
for (int i = 0; i < bombGrid.length; ++i) {
for (int j = 0; j < bombGrid[i].length; ++j) {
temp [i][j] = this.bombGrid [i][j];
}
}
return temp;
}
public int [][] getCountGrid() {
int [][] temp = new int [countGrid.length][countGrid[0].length];
for (int i = 0; i < countGrid.length; ++i) {
for (int j = 0; j < countGrid[i].length; ++j) {
temp [i][j] = this.countGrid[i][j];
}
}
return temp;
}
//----------------------------------local methods------------------------------------------------------
public boolean isBombAtLocation(int row, int column) {
return this.bombGrid[row][column];
}
public int getCountAtLocation(int row, int column) {
return this.countGrid[row][column];
}
public void printBombGrid(boolean [][] grid) {
for (int i = 0; i < grid.length; ++i) {
System.out.println(Arrays.toString(grid[i]));
}
}
public void printCountGrid(int [][] grid) {
for (int i = 0; i < grid.length; ++i) {
System.out.println(Arrays.toString(grid[i]));
}
}
/* public static void main (String [] args) {
Grid g = new Grid ();
g.printBombGrid(g.bombGrid);
g.printCountGrid(g.countGrid);
// System.out.println(countOneCell (g.bombGrid, 0, 0));
// System.out.println(countOneCell (g.bombGrid, 1, 1));
// System.out.println(countOneCell (g.bombGrid, 2, 2));
// System.out.println(countOneCell (g.bombGrid, 3, 3));
} */
}