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94 lines
2.3 KiB
C++
94 lines
2.3 KiB
C++
#include "cellcoordinates.hpp"
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#include <cmath>
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#include <ostream>
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#include <sstream>
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CSMWorld::CellCoordinates::CellCoordinates() : mX (0), mY (0) {}
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CSMWorld::CellCoordinates::CellCoordinates (int x, int y) : mX (x), mY (y) {}
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CSMWorld::CellCoordinates::CellCoordinates (const std::pair<int, int>& coordinates)
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: mX (coordinates.first), mY (coordinates.second) {}
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int CSMWorld::CellCoordinates::getX() const
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{
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return mX;
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}
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int CSMWorld::CellCoordinates::getY() const
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{
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return mY;
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}
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CSMWorld::CellCoordinates CSMWorld::CellCoordinates::move (int x, int y) const
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{
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return CellCoordinates (mX + x, mY + y);
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}
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std::string CSMWorld::CellCoordinates::getId (const std::string& worldspace) const
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{
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// we ignore the worldspace for now, since there is only one (will change in 1.1)
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std::ostringstream stream;
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stream << "#" << mX << " " << mY;
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return stream.str();
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}
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bool CSMWorld::CellCoordinates::isExteriorCell (const std::string& id)
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{
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return (!id.empty() && id[0]=='#');
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}
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std::pair<CSMWorld::CellCoordinates, bool> CSMWorld::CellCoordinates::fromId (
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const std::string& id)
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{
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// no worldspace for now, needs to be changed for 1.1
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if (isExteriorCell(id))
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{
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int x, y;
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char ignore;
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std::istringstream stream (id);
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if (stream >> ignore >> x >> y)
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return std::make_pair (CellCoordinates (x, y), true);
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}
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return std::make_pair (CellCoordinates(), false);
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}
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std::pair<int, int> CSMWorld::CellCoordinates::coordinatesToCellIndex (float x, float y)
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{
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const int cellSize = 8192;
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return std::make_pair (std::floor (x/cellSize), std::floor (y/cellSize));
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}
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bool CSMWorld::operator== (const CellCoordinates& left, const CellCoordinates& right)
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{
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return left.getX()==right.getX() && left.getY()==right.getY();
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}
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bool CSMWorld::operator!= (const CellCoordinates& left, const CellCoordinates& right)
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{
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return !(left==right);
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}
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bool CSMWorld::operator< (const CellCoordinates& left, const CellCoordinates& right)
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{
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if (left.getX()<right.getX())
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return true;
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if (left.getX()>right.getX())
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return false;
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return left.getY()<right.getY();
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}
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std::ostream& CSMWorld::operator<< (std::ostream& stream, const CellCoordinates& coordiantes)
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{
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return stream << coordiantes.getX() << ", " << coordiantes.getY();
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}
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