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58 lines
2.6 KiB
C++
58 lines
2.6 KiB
C++
#include "recastmesh.hpp"
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#include "exceptions.hpp"
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#include <Recast.h>
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namespace DetourNavigator
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{
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Mesh::Mesh(std::vector<int>&& indices, std::vector<float>&& vertices, std::vector<AreaType>&& areaTypes)
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{
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if (indices.size() / 3 != areaTypes.size())
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throw InvalidArgument("Number of flags doesn't match number of triangles: triangles="
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+ std::to_string(indices.size() / 3) + ", areaTypes=" + std::to_string(areaTypes.size()));
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indices.shrink_to_fit();
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vertices.shrink_to_fit();
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areaTypes.shrink_to_fit();
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mIndices = std::move(indices);
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mVertices = std::move(vertices);
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mAreaTypes = std::move(areaTypes);
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}
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RecastMesh::RecastMesh(std::size_t generation, std::size_t revision, Mesh mesh, std::vector<Cell> water,
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std::vector<Heightfield> heightfields, std::vector<FlatHeightfield> flatHeightfields)
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: mGeneration(generation)
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, mRevision(revision)
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, mMesh(std::move(mesh))
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, mWater(std::move(water))
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, mHeightfields(std::move(heightfields))
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, mFlatHeightfields(std::move(flatHeightfields))
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{
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if (mMesh.getVerticesCount() > 0)
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rcCalcBounds(mMesh.getVertices().data(), static_cast<int>(mMesh.getVerticesCount()),
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mBounds.mMin.ptr(), mBounds.mMax.ptr());
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mWater.shrink_to_fit();
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mHeightfields.shrink_to_fit();
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for (Heightfield& v : mHeightfields)
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v.mHeights.shrink_to_fit();
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for (const Heightfield& v : mHeightfields)
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{
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const auto [min, max] = std::minmax_element(v.mHeights.begin(), v.mHeights.end());
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mBounds.mMin.x() = std::min(mBounds.mMin.x(), v.mBounds.mMin.x());
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mBounds.mMin.y() = std::min(mBounds.mMin.y(), v.mBounds.mMin.y());
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mBounds.mMin.z() = std::min(mBounds.mMin.z(), *min);
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mBounds.mMax.x() = std::max(mBounds.mMax.x(), v.mBounds.mMax.x());
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mBounds.mMax.y() = std::max(mBounds.mMax.y(), v.mBounds.mMax.y());
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mBounds.mMax.z() = std::max(mBounds.mMax.z(), *max);
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}
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for (const FlatHeightfield& v : mFlatHeightfields)
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{
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mBounds.mMin.x() = std::min(mBounds.mMin.x(), v.mBounds.mMin.x());
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mBounds.mMin.y() = std::min(mBounds.mMin.y(), v.mBounds.mMin.y());
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mBounds.mMin.z() = std::min(mBounds.mMin.z(), v.mHeight);
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mBounds.mMax.x() = std::max(mBounds.mMax.x(), v.mBounds.mMax.x());
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mBounds.mMax.y() = std::max(mBounds.mMax.y(), v.mBounds.mMax.y());
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mBounds.mMax.z() = std::max(mBounds.mMax.z(), v.mHeight);
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}
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}
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}
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