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https://github.com/vcmi/vcmi.git
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dad6437661
- Moved short, frequently used functions to the BattleHex header for inlining - Made BattleHex a class with a private hex value - Moved getClosestTile implementation back to BattleHex - Enabled access to static precomputed data in BattleHexArray via BattleHex (note: circular dependency prevented static precomputed containers being directly placed in BattleHex)
72 lines
2.0 KiB
C++
72 lines
2.0 KiB
C++
/*
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* BattleHex.cpp, 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 "StdInc.h"
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#include "BattleHex.h"
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#include "BattleHexArray.h"
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VCMI_LIB_NAMESPACE_BEGIN
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BattleHex BattleHex::getClosestTile(const BattleHexArray & hexes, BattleSide side, BattleHex initialPos)
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{
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if(hexes.empty())
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return BattleHex();
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BattleHex initialHex = BattleHex(initialPos);
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int closestDistance = std::numeric_limits<int>::max();
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BattleHexArray closestTiles;
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for(auto hex : hexes)
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{
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int distance = initialHex.getDistance(initialHex, hex);
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if(distance < closestDistance)
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{
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closestDistance = distance;
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closestTiles.clear();
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closestTiles.insert(hex);
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}
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else if(distance == closestDistance)
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closestTiles.insert(hex);
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}
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auto compareHorizontal = [side, initialPos](const BattleHex & left, const BattleHex & right)
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{
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if(left.getX() != right.getX())
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{
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return (side == BattleSide::ATTACKER) ? (left.getX() > right.getX()) : (left.getX() < right.getX());
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}
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return std::abs(left.getY() - initialPos.getY()) < std::abs(right.getY() - initialPos.getY());
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};
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auto bestTile = std::min_element(closestTiles.begin(), closestTiles.end(), compareHorizontal);
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return (bestTile != closestTiles.end()) ? *bestTile : BattleHex();
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}
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const BattleHexArray & BattleHex::getAllNeighbouringTiles() const
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{
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return BattleHexArray::getAllNeighbouringTiles(*this);
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}
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const BattleHexArray & BattleHex::getNeighbouringTiles() const
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{
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return BattleHexArray::getNeighbouringTiles(*this);
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}
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const BattleHexArray & BattleHex::getNeighbouringTilesDblWide(BattleSide side) const
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{
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return BattleHexArray::getNeighbouringTilesDblWide(*this, side);
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}
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std::ostream & operator<<(std::ostream & os, const BattleHex & hex)
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{
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return os << boost::str(boost::format("{BattleHex: x '%d', y '%d', hex '%d'}") % hex.getX() % hex.getY() % static_cast<si16>(hex));
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}
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VCMI_LIB_NAMESPACE_END
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