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#include <iostream>
#include <fstream>
#include <string>
#include <sstream>
#define GRIDSIZE 4
#define UP 'w'
#define DOWN 's'
#define RIGHT 'd'
#define LEFT 'a'
using namespace std;
// defines the functions
void printGrid(int (&)[GRIDSIZE][GRIDSIZE]);
bool checkGameOver(int (&)[GRIDSIZE][GRIDSIZE]);
int main(int argc, char* argv[]) {
// defines the 2D and tmp array
int grid[GRIDSIZE][GRIDSIZE];
string fileName;
ifstream configFile;
cout << "enter initial configuration file name:" << endl;
cin >> fileName;
// opens the user defined file
configFile.open(fileName.c_str());
if(configFile.is_open()) {
for(int i = 0; i < GRIDSIZE; ++i) {
for(int j = 0; j < GRIDSIZE; ++j) {
configFile >> grid[i][j];
}
}
configFile.close();
} else {
cout << "the file doesn't exist, using default start" << endl;
// creates default grid
for(int i = 0; i < GRIDSIZE; ++i) {
for(int j = 0; j < GRIDSIZE; ++j) {
grid[i][j] = 0;
}
}
grid[GRIDSIZE-1][GRIDSIZE-1] = 2;
}
printGrid(grid);
while(!checkGameOver(grid)) {
}
return 0;
}
void printGrid(int (&gridArray)[GRIDSIZE][GRIDSIZE]) {
for(int i = 0; i < GRIDSIZE; ++i) {
for(int j = 0; j < GRIDSIZE; ++j) {
cout << gridArray[i][j] << '\t';
}
cout << endl;
}
cout << endl;
}
void moveVertical() {
}
void moveHorizontal() {
}
void merge() {
}
bool checkGameOver(int (&gridArray)[GRIDSIZE][GRIDSIZE]) {
for(int i = 0; i < GRIDSIZE; ++i) {
for(int j = 0; j < GRIDSIZE; ++j) {
if(gridArray[i][j] == 0) {
return false;
} else if(i > 0 && gridArray[i][j] == gridArray[i-1][j]) {
return false;
} else if(i < GRIDSIZE-1 && gridArray[i][j] == gridArray[i+1][j]) {
return false;
} else if(j > 0 && gridArray[i][j] == gridArray[i][j-1]) {
return false;
} else if(j < GRIDSIZE-1 && gridArray[i][j] == gridArray[i][j+1]) {
return false;
}
}
}
return true;
}
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