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84 lines
2.8 KiB
C++
84 lines
2.8 KiB
C++
#ifndef OPENMW_COMPONENTS_DETOURNAVIGATOR_RECASTMESHBUILDER_H
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#define OPENMW_COMPONENTS_DETOURNAVIGATOR_RECASTMESHBUILDER_H
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#include "recastmesh.hpp"
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#include "tilebounds.hpp"
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#include <components/resource/bulletshape.hpp>
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#include <osg/Vec3f>
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#include <LinearMath/btTransform.h>
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#include <array>
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#include <memory>
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#include <tuple>
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#include <vector>
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class btBoxShape;
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class btCollisionShape;
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class btCompoundShape;
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class btConcaveShape;
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class btHeightfieldTerrainShape;
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class btTriangleCallback;
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namespace DetourNavigator
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{
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struct RecastMeshTriangle
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{
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AreaType mAreaType;
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std::array<osg::Vec3f, 3> mVertices;
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friend inline bool operator<(const RecastMeshTriangle& lhs, const RecastMeshTriangle& rhs)
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{
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return std::tie(lhs.mAreaType, lhs.mVertices) < std::tie(rhs.mAreaType, rhs.mVertices);
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}
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};
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class RecastMeshBuilder
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{
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public:
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explicit RecastMeshBuilder(const TileBounds& bounds) noexcept;
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void addObject(const btCollisionShape& shape, const btTransform& transform, const AreaType areaType,
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osg::ref_ptr<const Resource::BulletShape> source, const ObjectTransform& objectTransform);
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void addObject(const btCompoundShape& shape, const btTransform& transform, const AreaType areaType);
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void addObject(const btConcaveShape& shape, const btTransform& transform, const AreaType areaType);
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void addObject(const btHeightfieldTerrainShape& shape, const btTransform& transform, const AreaType areaType);
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void addObject(const btBoxShape& shape, const btTransform& transform, const AreaType areaType);
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void addWater(const osg::Vec2i& cellPosition, const Water& water);
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void addHeightfield(const osg::Vec2i& cellPosition, int cellSize, float height);
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void addHeightfield(const osg::Vec2i& cellPosition, int cellSize, const float* heights, std::size_t size,
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float minHeight, float maxHeight);
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std::shared_ptr<RecastMesh> create(const Version& version) &&;
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private:
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const TileBounds mBounds;
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std::vector<RecastMeshTriangle> mTriangles;
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std::vector<CellWater> mWater;
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std::vector<Heightfield> mHeightfields;
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std::vector<FlatHeightfield> mFlatHeightfields;
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std::vector<MeshSource> mSources;
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inline void addObject(const btCollisionShape& shape, const btTransform& transform, const AreaType areaType);
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void addObject(const btConcaveShape& shape, const btTransform& transform, btTriangleCallback&& callback);
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void addObject(
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const btHeightfieldTerrainShape& shape, const btTransform& transform, btTriangleCallback&& callback);
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};
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Mesh makeMesh(std::vector<RecastMeshTriangle>&& triangles, const osg::Vec3f& shift = osg::Vec3f());
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Mesh makeMesh(const Heightfield& heightfield);
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}
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#endif
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