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56 lines
2.0 KiB
C++
56 lines
2.0 KiB
C++
/*
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* BattleHex.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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#pragma once
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#include "GameConstants.h"
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// for battle stacks' positions
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struct DLL_LINKAGE BattleHex //TODO: decide if this should be changed to class for better code design
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{
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si16 hex;
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static const si16 INVALID = -1;
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enum EDir { RIGHT, BOTTOM_RIGHT, BOTTOM_LEFT, LEFT, TOP_LEFT, TOP_RIGHT };
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BattleHex();
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BattleHex(si16 _hex);
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BattleHex(si16 x, si16 y);
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BattleHex(std::pair<si16, si16> xy);
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operator si16() const;
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bool isValid() const;
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bool isAvailable() const; //valid position not in first or last column
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void setX(si16 x);
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void setY(si16 y);
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void setXY(si16 x, si16 y, bool hasToBeValid = true);
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void setXY(std::pair<si16, si16> xy);
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si16 getX() const;
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si16 getY() const;
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std::pair<si16, si16> getXY() const;
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//moving to direction
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BattleHex& moveInDir(EDir dir, bool hasToBeValid = true);
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BattleHex& operator+=(EDir dir); //sugar for above
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//generates new BattleHex moved by given dir
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BattleHex movedInDir(EDir dir, bool hasToBeValid = true) const;
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BattleHex operator+(EDir dir) const;
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std::vector<BattleHex> neighbouringTiles() const;
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//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)
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static signed char mutualPosition(BattleHex hex1, BattleHex hex2);
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//returns distance between given hexes
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static char getDistance(BattleHex hex1, BattleHex hex2);
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static void checkAndPush(BattleHex tile, std::vector<BattleHex> & ret);
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static BattleHex getClosestTile(bool attackerOwned, BattleHex initialPos, std::set<BattleHex> & possibilities); //TODO: vector or set? copying one to another is bad
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template <typename Handler>
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void serialize(Handler &h, const int version)
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{
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h & hex;
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}
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};
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DLL_EXPORT std::ostream & operator<<(std::ostream & os, const BattleHex & hex);
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