Program Listing for File ClothPlane.h

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#pragma once
#include <Math/Core.h>
#include <Core/RawStorageFormat.h>
#include <Physics/Geometry/Edge.h>
#include <Physics/PBD/Cloth/ClothSolvingView.h>
#include <Physics/Geometry/GenericTypes.h>
#include <Physics/Geometry/IClothPhysicsGeometry.h>

#include <vector>
#include <unordered_map>

namespace Azura {
namespace Physics {
struct Edge;

class ClothPlane final : public IClothPhysicsGeometry {
public:
  ClothPlane(const Vector2f& boundMin , const Vector2f& boundMax, Memory::Allocator& allocator);
  ClothPlane(ClothTriangulation triangulation, const Vector2f& boundMin , const Vector2f& boundMax, float worldHeight, const Vector2u& subDivisions, const Vector2u& uvScale, Memory::Allocator& allocator);

  U32 VertexDataSize() const override;
  U32 IndexDataSize() const override;
  const U8* VertexData() const override;
  const U8* IndexData() const override;
  RawStorageFormat GetVertexFormat() const override;
  RawStorageFormat GetIndexFormat() const override;
  U32 GetVertexCount() const override;
  U32 GetIndexCount() const override;
  U32 TotalDataSize() const override;
  U32 NormalDataSize() const override;
  const U8* NormalData() const override;
  RawStorageFormat GetNormalFormat() const override;

  U32 UVDataSize() const override;
  const U8* UVData() const override;
  RawStorageFormat GetUVFormat() const override;

  // Cloth Physics Overrides
  void SetAnchorOnIndex(U32 idx) override;
  const Containers::Vector<float>& GetVertexInverseMass() const override;
  PBD::ClothSolvingView GetPBDSolvingView(Memory::Allocator& allocator) override;

private:
  void AddEdgeTriangleNeighbor(const Edge& edge, const U32 triangleIdx);

  std::vector<U32> m_anchorIdx;

  std::unordered_map<Edge, std::vector<U32>, EdgeMapHash> m_edgeTriangleMap;

  Containers::Vector<Vector3f> m_vertices;
  Containers::Vector<float> m_vertexInvMass;
  Containers::Vector<Vector3f> m_normals;
  Containers::Vector<Vector3u> m_triangles;
  Containers::Vector<Vector2f> m_uv;
};

} // namespace Physics
} // namespace Azura