godot/thirdparty/thekla_atlas/nvmesh/QuadTriMesh.h

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// This code is in the public domain -- Ignacio Casta<74>o <castano@gmail.com>
#pragma once
#ifndef NV_MESH_QUADTRIMESH_H
#define NV_MESH_QUADTRIMESH_H
#include "nvcore/Array.h"
#include "nvmath/Vector.h"
#include "nvmesh/nvmesh.h"
#include "nvmesh/BaseMesh.h"
namespace nv
{
class Stream;
/// Mixed quad/triangle mesh.
class QuadTriMesh : public BaseMesh
{
public:
struct Face;
typedef BaseMesh::Vertex Vertex;
QuadTriMesh() {};
QuadTriMesh(uint faceCount, uint vertexCount) : BaseMesh(vertexCount), m_faceArray(faceCount) {}
// Face methods.
uint faceCount() const { return m_faceArray.count(); }
const Face & faceAt(uint i) const { return m_faceArray[i]; }
Face & faceAt(uint i) { return m_faceArray[i]; }
const Array<Face> & faces() const { return m_faceArray; }
Array<Face> & faces() { return m_faceArray; }
bool isQuadFace(uint i) const;
const Vertex & faceVertex(uint f, uint v) const;
friend Stream & operator<< (Stream & s, QuadTriMesh & obj);
private:
Array<Face> m_faceArray;
};
/// QuadTriMesh face.
struct QuadTriMesh::Face
{
uint id;
uint v[4];
bool isQuadFace() const { return v[3] != NIL; }
};
} // nv namespace
#endif // NV_MESH_QUADTRIMESH_H