#pragma once

#include <vector>
#include <nori/mesh.h>

NORI_NAMESPACE_BEGIN

class OctreeNode {
public:
	//Constructor for Internal Node
    OctreeNode(BoundingBox3f bbox) :  m_bbox(bbox) {};
    
	//Constructor for Leaf Node
    OctreeNode(BoundingBox3f bbox, std::vector<uint32_t>* triangle_ids) : m_triangle_ids(*triangle_ids), m_bbox(bbox) {};

	//Computes the Statistics of the Octree Node
    void computeStats(size_t* internal, size_t* leaf, size_t* triangles);

 
	OctreeNode*               m_child_nodes[8] = {0}; ///< Child Nodes (Branch)
    std::vector<uint32_t>     m_triangle_ids;         ///< Triangle Ids (Leaf)
    BoundingBox3f             m_bbox;                 ///< Bounding Box
private:
};


//Creates a Octree Node
OctreeNode* octreenode_builder(Mesh* mesh, BoundingBox3f bbox, std::vector<uint32_t>* triangle_ids, int depth);


NORI_NAMESPACE_END