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69 lines
2.0 KiB
C++
69 lines
2.0 KiB
C++
#ifndef OPENMW_COMPONENTS_MISC_COORDINATECONVERTER_H
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#define OPENMW_COMPONENTS_MISC_COORDINATECONVERTER_H
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#include <components/esm/defs.hpp>
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#include <components/esm/loadcell.hpp>
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#include <components/esm/loadland.hpp>
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#include <components/esm/loadpgrd.hpp>
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namespace Misc
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{
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/// \brief convert coordinates between world and local cell
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class CoordinateConverter
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{
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public:
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CoordinateConverter(bool exterior, int cellX, int cellY)
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: mCellX(exterior ? cellX * ESM::Land::REAL_SIZE : 0),
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mCellY(exterior ? cellY * ESM::Land::REAL_SIZE : 0)
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{
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}
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explicit CoordinateConverter(const ESM::Cell* cell)
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: CoordinateConverter(cell->isExterior(), cell->mData.mX, cell->mData.mY)
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{
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}
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/// in-place conversion from local to world
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void toWorld(ESM::Pathgrid::Point& point) const
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{
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point.mX += mCellX;
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point.mY += mCellY;
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}
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ESM::Pathgrid::Point toWorldPoint(ESM::Pathgrid::Point point) const
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{
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toWorld(point);
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return point;
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}
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/// in-place conversion from local to world
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void toWorld(osg::Vec3f& point) const
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{
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point.x() += static_cast<float>(mCellX);
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point.y() += static_cast<float>(mCellY);
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}
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/// in-place conversion from world to local
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void toLocal(osg::Vec3f& point) const
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{
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point.x() -= static_cast<float>(mCellX);
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point.y() -= static_cast<float>(mCellY);
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}
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osg::Vec3f toLocalVec3(const osg::Vec3f& point) const
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{
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return osg::Vec3f(
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point.x() - static_cast<float>(mCellX),
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point.y() - static_cast<float>(mCellY),
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point.z()
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);
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}
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private:
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int mCellX;
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int mCellY;
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};
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}
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#endif
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