#ifndef BugBots_Utility_hpp
#define BugBots_Utility_hpp

#include"BugBots.hpp"

unsigned int ABS(int x)
{
    return x >= 0? x : 0 - x;
}

template <class T> T MAX(T x, T y)
{
    return x > y ? x : y;
}

class Position;
class Offset;
class Wrapper;

class Position
{
public:
    Position(){};
    Position(int, int);
    Position(const Position&);
    void SetX(int);
    void SetY(int);
    int GetX()const;
    int GetY()const;
    int Distance(const Position&)const;
    size_t Hash()const;
    Position operator+(const Offset&);
    Offset operator-(const Position&);
    bool operator==(const Position&)const;
private:
    int x;
    int y;
};

class Offset
{
public:
    Offset(){}
    Offset(int, int);
    Offset(const Offset&);
    void SetX(int);
    void SetY(int);
    int GetX()const;
    int GetY()const;
    int Length()const;
    Position operator+(const Position&)const;
    bool operator==(const Offset&)const;
private:
    int x;
    int y;
};

class Wrapper
{
public:
    Wrapper(){};
private:
    Item * item;

    friend World;
};

class hash<Position>
{
public:
    size_t operator()(const Position&)const;
};

#endif