ref: 322c0644767d483159be5a07002d36f07ef0172d
dir: /path/dat.h/
typedef struct Vertex Vertex;
typedef struct Node Node;
typedef struct PNode PNode;
struct Vertex{
int x;
int y;
};
struct PNode{
int open;
int closed;
double g;
double h;
double Δg;
Node *to;
Node *from;
Pairheap *pq;
};
enum{
Nodesz = 8,
};
struct Node{
int blocked;
PNode;
};
extern Node *map;
extern int mapwidth, mapheight;
extern Node *selected;
extern Node *start, *goal;
extern int fourdir;
extern double (*distfn)(Node*, Node*);
extern Node** (*successorfn)(Node*);