Four in a row logic

Question

I\'m currently working on a basic four in a row game for myself, but I\'m rather stuck at the logic behind it.

Currently I have this multi-dimensional array that rep

Answer 1

I had developed four in a row game some time back. Here is the code snippet to check for winning condition that is four in a row condition : (This is in C language)

int checkWinOrLose(int grid[][7],int result,int rowNum) {
//  For checking whether any win or lose condition is reached. Returns 1 if win or lose is reached. else returns 0
//  grid[][] is the 6X7 matrix
//  result is the column number where the last coin was placed
//  rowNum is the row number where the last coin was placed

    int player=grid[rowNum][result];
    if(rowNum<=2 && grid[rowNum+1][result]==player && grid[rowNum+2][result]==player && grid[rowNum+3][result]==player) // 4 in a row vertically
        return 1;
    else {
        int count=1,i,j;
        for(i=result+1;i<7;i++) { // 4 in a row horizontally
            if(grid[rowNum][i]!=player)
                break;
            count++;
        }
        for(i=result-1;i>=0;i--) { // 4 in a row horizontally
            if(grid[rowNum][i]!=player)
                break;
            count++;
        }
        if(count>=4)
            return 1;
        count=1;
        for(i=result+1,j=rowNum+1;i<7 && j<6;i++,j++) { // 4 in a row diagonally
            if(grid[j][i]!=player)
                break;
            count++;
        }
        for(i=result-1,j=rowNum-1;i>=0 && j>=0;i--,j--) { // 4 in a row diagonally
            if(grid[j][i]!=player)
                break;
            count++;
        }
        if(count>=4)
            return 1;
        count=1;
        for(i=result+1,j=rowNum-1;i<7 && j>=0;i++,j--) { // 4 in a row diagonally
            if(grid[j][i]!=player)
                break;
            count++;
        }
        for(i=result-1,j=rowNum+1;i>=0 && j<6;i--,j++) { // 4 in a row diagonally
            if(grid[j][i]!=player)
                break;
            count++;
        }
        if(count>=4)
            return 1;
    }
    return 0;
}