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40 lines
1.1 KiB
C++
40 lines
1.1 KiB
C++
#ifndef OPENMW_COMPONENTS_ESM_UTIL_H
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#define OPENMW_COMPONENTS_ESM_UTIL_H
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#include <cmath>
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#include <osg/Vec2f>
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#include "components/esm3/loadcell.hpp"
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#include "components/misc/constants.hpp"
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#include "exteriorcelllocation.hpp"
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#include "refid.hpp"
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namespace ESM
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{
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inline bool isEsm4Ext(ESM::RefId worldspaceId)
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{
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return worldspaceId != ESM::Cell::sDefaultWorldspaceId;
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}
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inline int getCellSize(ESM::RefId worldspaceId)
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{
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return isEsm4Ext(worldspaceId) ? Constants::ESM4CellSizeInUnits : Constants::CellSizeInUnits;
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}
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// Vertex count of a side of a land record
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int getLandSize(ESM::RefId worldspaceId);
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inline ESM::ExteriorCellLocation positionToExteriorCellLocation(
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float x, float y, ESM::RefId worldspaceId = ESM::Cell::sDefaultWorldspaceId)
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{
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const float cellSize = getCellSize(worldspaceId);
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return { static_cast<int>(std::floor(x / cellSize)), static_cast<int>(std::floor(y / cellSize)), worldspaceId };
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}
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// Convert exterior cell location to position.
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osg::Vec2f indexToPosition(const ESM::ExteriorCellLocation& cellIndex, bool centre = false);
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}
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#endif
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