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/*
* 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
//TODO: change to enum class
namespace BattleSide
{
enum
{
ATTACKER = 0,
DEFENDER = 1
};
}
namespace GameConstants
{
const int BFIELD_WIDTH = 17;
const int BFIELD_HEIGHT = 11;
const int BFIELD_SIZE = BFIELD_WIDTH * BFIELD_HEIGHT;
}
typedef boost::optional<ui8> BattleSideOpt;
// 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,
NONE
};
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(ui8 side, 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;
}
using NeighbouringTiles = std::array<BattleHex, 6>;
using NeighbouringTilesCache = std::vector<NeighbouringTiles>;
static const NeighbouringTilesCache neighbouringTilesCache;
};
DLL_EXPORT std::ostream & operator<<(std::ostream & os, const BattleHex & hex);
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