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vcmi/lib/BattleHex.h
2017-05-29 10:33:34 +03:00

52 lines
1.8 KiB
C++

/*
* BattleHex.h, part of VCMI engine
*
* Authors: listed in file AUTHORS in main folder
*
* License: GNU General Public License v2.0 or later
* Full text of license available in license.txt file, in main folder
*
*/
#pragma once
#include "GameConstants.h"
// for battle stacks' positions
struct DLL_LINKAGE BattleHex //TODO: decide if this should be changed to class for better code design
{
si16 hex;
static const si16 INVALID = -1;
enum EDir { TOP_LEFT, TOP_RIGHT, RIGHT, BOTTOM_RIGHT, BOTTOM_LEFT, LEFT};
BattleHex();
BattleHex(si16 _hex);
BattleHex(si16 x, si16 y);
BattleHex(std::pair<si16, si16> xy);
operator si16() const;
bool isValid() const;
bool isAvailable() const; //valid position not in first or last column
void setX(si16 x);
void setY(si16 y);
void setXY(si16 x, si16 y, bool hasToBeValid = true);
void setXY(std::pair<si16, si16> xy);
si16 getX() const;
si16 getY() const;
std::pair<si16, si16> getXY() const;
BattleHex& moveInDirection(EDir dir, bool hasToBeValid = true);
BattleHex& operator+=(EDir dir);
BattleHex cloneInDirection(EDir dir, bool hasToBeValid = true) const;
BattleHex operator+(EDir dir) const;
std::vector<BattleHex> neighbouringTiles() const;
static signed char mutualPosition(BattleHex hex1, BattleHex hex2);
static char getDistance(BattleHex hex1, BattleHex hex2);
static void checkAndPush(BattleHex tile, std::vector<BattleHex> & ret);
static BattleHex getClosestTile(bool attackerOwned, BattleHex initialPos, std::set<BattleHex> & possibilities); //TODO: vector or set? copying one to another is bad
template <typename Handler>
void serialize(Handler &h, const int version)
{
h & hex;
}
};
DLL_EXPORT std::ostream & operator<<(std::ostream & os, const BattleHex & hex);