advancing_front.h

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#ifndef ADVANCED_FRONT_H
#define ADVANCED_FRONT_H
 
#include <poly2tri/common/shapes.h>
 
namespace p2t {
 
struct Node;
 
// Advancing front node
struct Node {
  Point* point;
  Triangle* triangle;
 
  Node* next;
  Node* prev;
 
  double value;
 
  explicit Node(Point& p) : point(&p), triangle(nullptr), next(nullptr), prev(nullptr), value(p.x)
  {
  }
 
  Node(Point& p, Triangle& t) : point(&p), triangle(&t), next(nullptr), prev(nullptr), value(p.x)
  {
  }
 
};
 
// Advancing front
class AdvancingFront {
public:
 
AdvancingFront(Node& head, Node& tail);
// Destructor
~AdvancingFront();
 
Node* head();
void set_head(Node* node);
Node* tail();
void set_tail(Node* node);
Node* search();
void set_search(Node* node);

Node* LocateNode(const double& x);
 
Node* LocatePoint(const Point* point);
 
private:
 
Node* head_, *tail_, *search_node_;
 
Node* FindSearchNode(const double& x);
};
 
inline Node* AdvancingFront::head()
{
  return head_;
}
inline void AdvancingFront::set_head(Node* node)
{
  head_ = node;
}
 
inline Node* AdvancingFront::tail()
{
  return tail_;
}
inline void AdvancingFront::set_tail(Node* node)
{
  tail_ = node;
}
 
inline Node* AdvancingFront::search()
{
  return search_node_;
}
 
inline void AdvancingFront::set_search(Node* node)
{
  search_node_ = node;
}
 
}
 
#endif