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#ifndef OPENCS_RENDER_TERRAINSTORAGE_H
#define OPENCS_RENDER_TERRAINSTORAGE_H
#include <array>
#include <components/esm3terrain/storage.hpp>
#include "../../model/world/data.hpp"
namespace CSVRender
{
/**
* @brief A bridge between the terrain component and OpenCS's terrain data storage.
*/
class TerrainStorage : public ESMTerrain::Storage
{
public:
TerrainStorage(const CSMWorld::Data& data);
void setAlteredHeight(int inCellX, int inCellY, float heightMap);
void resetHeights();
bool useAlteration() const override { return true; }
float getSumOfAlteredAndTrueHeight(int cellX, int cellY, int inCellX, int inCellY);
float* getAlteredHeight(int inCellX, int inCellY);
private:
const CSMWorld::Data& mData;
std::array<float, ESM::Land::LAND_SIZE * ESM::Land::LAND_SIZE> mAlteredHeight;
osg::ref_ptr<const ESMTerrain::LandObject> getLand (int cellX, int cellY) override;
const ESM::LandTexture* getLandTexture(int index, short plugin) override;
void getBounds(float& minX, float& maxX, float& minY, float& maxY) override;
int getThisHeight(int col, int row, const ESM::Land::LandData *heightData) const;
int getLeftHeight(int col, int row, const ESM::Land::LandData *heightData) const;
int getRightHeight(int col, int row, const ESM::Land::LandData *heightData) const;
int getUpHeight(int col, int row, const ESM::Land::LandData *heightData) const;
int getDownHeight(int col, int row, const ESM::Land::LandData *heightData) const;
int getHeightDifferenceToLeft(int col, int row, const ESM::Land::LandData *heightData) const;
int getHeightDifferenceToRight(int col, int row, const ESM::Land::LandData *heightData) const;
int getHeightDifferenceToUp(int col, int row, const ESM::Land::LandData *heightData) const;
int getHeightDifferenceToDown(int col, int row, const ESM::Land::LandData *heightData) const;
bool leftOrUpIsOverTheLimit(int col, int row, int heightWarningLimit, const ESM::Land::LandData *heightData) const;
bool rightOrDownIsOverTheLimit(int col, int row, int heightWarningLimit, const ESM::Land::LandData *heightData) const;
void adjustColor(int col, int row, const ESM::Land::LandData *heightData, osg::Vec4ub& color) const override;
float getAlteredHeight(int col, int row) const override;
};
}
#endif
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