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97 lines
2.6 KiB
C++
97 lines
2.6 KiB
C++
#ifndef __INT3_H__
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#define __INT3_H__
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/*
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* int3.h, part of VCMI engine
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*
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* Authors: listed in file AUTHORS in main folder
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*
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* License: GNU General Public License v2.0 or later
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* Full text of license available in license.txt file, in main folder
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*
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*/
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#include <cmath>
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class int3
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{
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public:
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si32 x,y,z;
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inline int3():x(0),y(0),z(0){}; //c-tor, x/y/z initialized to 0
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inline int3(const si32 & X, const si32 & Y, const si32 & Z):x(X),y(Y),z(Z){}; //c-tor
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inline int3(const int3 & val) : x(val.x), y(val.y), z(val.z){} //copy c-tor
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inline int3 operator=(const int3 & val) {x = val.x; y = val.y; z = val.z; return *this;} //assignemt operator
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~int3() {} // d-tor - does nothing
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inline int3 operator+(const int3 & i) const //returns int3 with coordinates increased by corresponding coordinate of given int3
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{return int3(x+i.x,y+i.y,z+i.z);}
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inline int3 operator+(const si32 i) const //returns int3 with coordinates increased by given numer
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{return int3(x+i,y+i,z+i);}
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inline int3 operator-(const int3 & i) const //returns int3 with coordinates decreased by corresponding coordinate of given int3
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{return int3(x-i.x,y-i.y,z-i.z);}
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inline int3 operator-(const si32 i) const //returns int3 with coordinates decreased by given numer
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{return int3(x-i,y-i,z-i);}
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inline int3 operator-() const //returns opposite position
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{return int3(-x,-y,-z);}
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inline double dist2d(const int3 other) const //distance (z coord is not used)
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{return std::sqrt((double)(x-other.x)*(x-other.x) + (y-other.y)*(y-other.y));}
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inline void operator+=(const int3 & i)
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{
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x+=i.x;
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y+=i.y;
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z+=i.z;
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}
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inline void operator+=(const si32 & i)
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{
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x+=i;
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y+=i;
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z+=i;
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}
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inline void operator-=(const int3 & i)
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{
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x-=i.x;
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y-=i.y;
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z-=i.z;
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}
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inline void operator-=(const si32 & i)
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{
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x+=i;
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y+=i;
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z+=i;
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}
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inline bool operator==(const int3 & i) const
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{return (x==i.x) && (y==i.y) && (z==i.z);}
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inline bool operator!=(const int3 & i) const
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{return !(*this==i);}
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inline bool operator<(const int3 & i) const
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{
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if (z<i.z)
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return true;
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if (z>i.z)
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return false;
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if (y<i.y)
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return true;
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if (y>i.y)
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return false;
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if (x<i.x)
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return true;
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if (x>i.x)
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return false;
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return false;
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}
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template <typename Handler> void serialize(Handler &h, const int version)
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{
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h & x & y & z;
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}
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};
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inline std::istream & operator>>(std::istream & str, int3 & dest)
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{
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str>>dest.x>>dest.y>>dest.z;
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return str;
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}
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inline std::ostream & operator<<(std::ostream & str, const int3 & sth)
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{
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return str<<sth.x<<' '<<sth.y<<' '<<sth.z;
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}
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#endif // __INT3_H__
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