#ifndef packing_h
#define packing_h

typedef struct _node {
	int thisnode;
	int parnode;
	int lcnode;
	int rcnode;
	
	char cutline;
	
	double width;
	double height;
	
	double xcord;
	double ycord;
	
	struct _node *parent;
	struct _node *left;
	struct _node *right;
	
} Node;

Node *load_file(char *filename, int *numnodes, int *numboxes);
Node *set_pointers(Node *array, int length);
void set_dimensions(Node *root);
void set_coordinates(Node *root);
void print_node_numbers_preorder(Node *root);
void print_node_numbers_inorder(Node *root);
void print_node_numbers_postorder(Node *root);
void save_boxes(char *filename, Node *array, int numboxes);

#endif