case.cpp

#include "case.h"
#include <algorithm>
#include <cstdlib>

Case::Case()= default;

Case::Case(const int i, const int j){
    x=i;
    y=j;
}

Case::Case(const char a, const int k){
    x=int(a)-65; //  'A' --> 0 : in fact int('A') = 65
    y=k-1;
}

int Case::distance(const Case c_prime) const{
    return std::max(abs(c_prime.x - x), abs(c_prime.y -y));
}

int Case::get(const int a) const{
    switch (a) {
    case 0:
        return x;
    case 1:
        return y;
    default:
        return 0;
    }
}

Case Case::operator+(const Case c1) const{
    return {x+c1.x,y+c1.y};  // return Case(x+c1.x,y+c1.y);
}

bool Case::operator==(const Case c1) const{
    return (x==c1.x && y==c1.y);
}

Move d_move(const Case c_start, const Case c_end){
    int dx = c_end.get(0) - c_start.get(0);
    int dy = c_end.get(1) - c_start.get(1);
    if (dx != 0)
        dx /= std::abs(dx);
    if (dy != 0)
        dy /= std::abs(dy);
    return {dx, dy}; // return Move(dx, dy);
}