// path.h
// Path handling for the Game class.
//
// Peter Grasevski, Alex Hixon, Chris Manouvrier
// v2.0

#define WANT_VERTEX     1
#define WANT_SIDE       0

#define NULL_VERTEX     -1
#define PATH_FAILURE    -2

#define NUM_SIDES       6

#define RIGHT           1
#define LEFT            -1

#ifdef DEBUG
#define debug_msg(msg) printf(msg)
#else
#define debug_msg(msg)
#endif

typedef struct _vector {
    int from;
    int to;

    int side;
    int notStarted;
} pathVector;

typedef struct _pathObj {
    hexTile* tile;
    pathVector vector;
} pathObject;

int parsePath (Game g, char *path, pathObject* obj);
int isValidPath (char *path, int *length);

int getSide (Game g, pathObject obj);
int setSide (Game g, pathObject obj, int type);

int getVertex (Game g, pathObject obj);
int setVertex (Game g, pathObject obj, int type);

int getAdjacentSide (Game g, pathObject obj, pathObject* adjObj);

int getAdjacentVertex (Game g, pathObject obj, pathObject* adjObj[2]);

hexTile* getTile (Game g, hexTileLoc loc);
hexTile* getTileFromNum (Game g, int x, int y);