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67 lines
2.3 KiB
C++
67 lines
2.3 KiB
C++
#include <components/misc/constants.hpp>
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#include "esmterrain.hpp"
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ESM::LandData::LandData(const ESM::Land& land, int loadFlags)
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: mLoadFlags(loadFlags)
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, mSize(Constants::CellSizeInUnits)
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, mLandSize(ESM::Land::LAND_SIZE)
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{
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ESM::Land::LandData data;
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land.loadData(loadFlags, &data);
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mLoadFlags = data.mDataLoaded;
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std::span<const float> heights(data.mHeights);
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mHeights = std::vector(heights.begin(), heights.end());
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std::span<const VNML> normals(data.mNormals);
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mNormals = std::vector(normals.begin(), normals.end());
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std::span<const unsigned char> colors(data.mColours);
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mColors = std::vector(colors.begin(), colors.end());
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std::span<const uint16_t> textures(data.mTextures);
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mTextures = std::vector(textures.begin(), textures.end());
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mMinHeight = data.mMinHeight;
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mMaxHeight = data.mMaxHeight;
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}
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ESM::LandData::LandData(const ESM4::Land& land, int loadFlags)
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: mLoadFlags(loadFlags)
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, mSize(Constants::ESM4CellSizeInUnits)
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, mLandSize(ESM4::Land::VERTS_PER_SIDE)
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{
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mMinHeight = std::numeric_limits<float>::max();
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mMaxHeight = std::numeric_limits<float>::lowest();
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mHeights.resize(ESM4::Land::LAND_NUM_VERTS);
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mTextures.resize(ESM::Land::LAND_NUM_TEXTURES);
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std::fill(mTextures.begin(), mTextures.end(), 0);
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float row_offset = land.mHeightMap.heightOffset;
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for (int y = 0; y < mLandSize; y++)
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{
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row_offset += land.mHeightMap.gradientData[y * mLandSize];
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const float heightY = row_offset * ESM4::Land::HEIGHT_SCALE;
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mHeights[y * mLandSize] = heightY;
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mMinHeight = std::min(mMinHeight, heightY);
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mMaxHeight = std::max(mMaxHeight, heightY);
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float colOffset = row_offset;
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for (int x = 1; x < mLandSize; x++)
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{
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colOffset += land.mHeightMap.gradientData[y * mLandSize + x];
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const float heightX = colOffset * ESM4::Land::HEIGHT_SCALE;
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mMinHeight = std::min(mMinHeight, heightX);
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mMaxHeight = std::max(mMaxHeight, heightX);
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mHeights[x + y * mLandSize] = heightX;
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}
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}
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std::span<const VNML> normals(land.mVertNorm);
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mNormals = std::vector(normals.begin(), normals.end());
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std::span<const unsigned char> colors(land.mVertColr);
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mColors = std::vector(colors.begin(), colors.end());
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}
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