1
0
mirror of https://github.com/vcmi/vcmi.git synced 2024-12-24 22:14:36 +02:00
vcmi/lib/BattleHex.h
Karol 3f720901ec Minor fixes.
- Removed unnecessary keywords.
- Inlined some functions.
- Minor coding style fixes.
- Minor fixes.
2014-08-30 18:45:11 +02:00

105 lines
2.8 KiB
C++

#pragma once
#include "GameConstants.h"
/*
* 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
*
*/
// for battle stacks' positions
struct DLL_LINKAGE BattleHex
{
static const si16 INVALID = -1;
enum EDir { RIGHT, BOTTOM_RIGHT, BOTTOM_LEFT, LEFT, TOP_LEFT, TOP_RIGHT };
si16 hex;
BattleHex() : hex(INVALID) {}
BattleHex(si16 _hex) : hex(_hex) {}
operator si16() const { return hex; }
bool isValid() const { return hex >= 0 && hex < GameConstants::BFIELD_SIZE; }
template<typename inttype>
BattleHex(inttype x, inttype y)
{
setXY(x, y);
}
template<typename inttype>
BattleHex(std::pair<inttype, inttype> xy)
{
setXY(xy);
}
template<typename inttype>
void setX(inttype x)
{
setXY(x, getY());
}
template<typename inttype>
void setY(inttype y)
{
setXY(getX(), y);
}
void setXY(si16 x, si16 y, bool hasToBeValid = true)
{
if(hasToBeValid)
assert(x >= 0 && x < GameConstants::BFIELD_WIDTH && y >= 0 && y < GameConstants::BFIELD_HEIGHT);
hex = x + y * GameConstants::BFIELD_WIDTH;
}
template<typename inttype>
void setXY(std::pair<inttype, inttype> xy)
{
setXY(xy.first, xy.second);
}
si16 getY() const { return hex / GameConstants::BFIELD_WIDTH; }
si16 getX() const { return hex % GameConstants::BFIELD_WIDTH; }
std::pair<si16, si16> getXY() const { return std::make_pair(getX(), getY()); }
//moving to direction
BattleHex& moveInDir(EDir dir, bool hasToBeValid = true);
BattleHex& operator+=(EDir dir) { return moveInDir(dir); } //sugar for above
//generates new BattleHex moved by given dir
BattleHex movedInDir(EDir dir, bool hasToBeValid = true) const
{
BattleHex result(*this);
result.moveInDir(dir, hasToBeValid);
return result;
}
BattleHex operator+(EDir dir) const { return movedInDir(dir); }
std::vector<BattleHex> neighbouringTiles() const;
//returns info about mutual position of given hexes (-1 - they're distant, 0 - left top, 1 - right top, 2 - right, 3 - right bottom, 4 - left bottom, 5 - left)
static signed char mutualPosition(BattleHex hex1, BattleHex hex2);
//returns distance between given hexes
static char getDistance(BattleHex hex1, BattleHex hex2);
template <typename Handler> void serialize(Handler &h, const int version)
{
h & hex;
}
static void checkAndPush(BattleHex tile, std::vector<BattleHex> & ret);
bool isAvailable() const; //valid position not in first or last column
static BattleHex getClosestTile(bool attackerOwned, BattleHex initialPos, std::set<BattleHex> & possibilities); //TODO: vector or set? copying one to another is bad
};
DLL_EXPORT std::ostream & operator<<(std::ostream & os, const BattleHex & hex);