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Board.cpp
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Board.cpp
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#include "pch.h"
#include "Board.h"
#include <iostream>
using namespace std;
void printParts(std::vector <char> const &a) {
std::cout << "The ship parts are : ";
for (int inx = 0; inx < a.size(); inx++)
std::cout << a.at(inx) << ' ';
}
Board::Board()
{
}
bool Board::isAShipParkedNext(int row, int col) {
int nextRow = row + 1;
int nextCol = col + 1;
bool hasShipParkedToTheRight = false;
if (nextRow < board.size()) {
CELL currentCell = board.at(nextRow).at(col);
hasShipParkedToTheRight = isShipOrPartOfShip(currentCell);
}
bool hasShipParkedBelow = false;
if (nextCol < board.at(row).size()) {
CELL currentCell = board.at(row).at(nextCol);
hasShipParkedBelow = isShipOrPartOfShip(currentCell);
}
return hasShipParkedToTheRight && hasShipParkedBelow;
}
bool Board::isValidBoard() {
//Board is valid if no two ships are next to each other.
for (int row = 0; row < board.size(); row++) {
for (int col = 0; col < board.at(0).size(); col++) {
CELL currentCell = board.at(row).at(col);
if (!isShipOrPartOfShip(currentCell)) {
continue;
}
bool result = isAShipParkedNext(row, col);
if (result) {
return false;
}
}
}
return true;
}
Board::Board(std::vector<std::vector<char>> & gBoard)
{
for (int row = 0; row < gBoard.size(); row++) {
std::vector<CELL> rowData;
for (int col = 0; col < gBoard.size(); col++) {
CELL cell;
cell.hasBeenVisted = false;
cell.identifier = gBoard.at(row).at(col);
rowData.push_back(cell);
}
board.push_back(rowData);
}
}
bool Board::isShipOrPartOfShip(CELL & cell) {
return cell.identifier == 'X';
}
int Board::getShipCountOnBoard() {
int shipCount = 0;
if (!isValidBoard()) {
return shipCount;
}
for (int row = 0; row < board.size(); row++)
{
for (int col = 0; col < board.at(row).size(); col++) {
CELL currentCell = board.at(row).at(col);
if (!isShipOrPartOfShip(currentCell)) {
continue;
}
std::vector<char> shipParts;
int isValidDown = isCellValid(currentCell, DOWN, row, col, shipParts);
if (isValidDown) {
shipCount++;
}
shipParts.clear();
int isValidRight = isCellValid(currentCell, RIGHT, row, col, shipParts);
if (isValidRight) {
shipCount++;
}
}
}
return shipCount;
}
bool Board::isCellValid(CELL & currentCell, TRAVERSE_DIRECTION direction, int row, int column, std::vector<char> & parts) {
int nextRow = row + 1;
int nextColumn = column + 1;
if (direction == DOWN)
{
if (currentCell.hasBeenVisted) {
return parts.empty() == false;
}
if (isShipOrPartOfShip(currentCell) ) {
parts.push_back(currentCell.identifier); //How many cells is one ship made of?
}
currentCell.hasBeenVisted = true;
board.at(row).at(column) = currentCell; //update
if (board.at(row).size() <= nextRow)
{// Edge of the board has been reached here.
return parts.empty() == false;
}
CELL nextCell = board.at(nextRow).at(column);
if ( !nextCell.hasBeenVisted ) {
if (isShipOrPartOfShip(nextCell)) {
return isCellValid(nextCell, DOWN, nextRow, column, parts);
}
else {
nextCell.hasBeenVisted = true;
return parts.empty() == false;
}
}
return parts.empty() == false;
}
if (direction == RIGHT)
{
if (currentCell.hasBeenVisted) {
return parts.empty() == false;
}
if (isShipOrPartOfShip(currentCell)) {
parts.push_back(currentCell.identifier); //How many cells is one ship made of?
}
currentCell.hasBeenVisted = true;
board.at(row).at(column) = currentCell; //update
if (board.size() <= nextColumn)
{// Edge of the board has been reached here.
return parts.empty() == false;
}
CELL nextCell = board.at(row).at(nextColumn);
if (!nextCell.hasBeenVisted) {
if (isShipOrPartOfShip(nextCell)) {
return isCellValid(nextCell, DOWN, nextRow, column, parts);
}
else {
nextCell.hasBeenVisted = true;
return parts.empty() == false;
}
}
return parts.empty() == false;
}
return false;
}
void Board::print() {
for (int row = 0; row < board.size(); row++) {
std::vector<CELL> rowData;
for (int col = 0; col < board.size(); col++) {
std::cout << board.at(row).at(col).identifier << " ";
}
std::cout << "\n";
}
}