ref: e72aa2d79aff1b39b24c98ad9d02c487a0014ad5
dir: /engine.h/
enum { /* difficulty levels (how many circles are initially occupied) */ DEasy, /* 10≤x<15 */ DMed, /* 5≤x<10 */ DHard, /* 1≤x<5 */ DImp, /* 0 */ New = 0, Undo, Restart, Exit, /* dynamic? original game has a fixed grid size, but we don't need to abide by it */ SzX = 11, SzY = 11, Border = 3, /* movement directions */ NE = 0, E, SE, SW, W, NW, /* player types */ Human = 0, Computer, Net, PTrapper = 0, PGlenda, PEither, Init = 0, /* setting up the map */ Start, /* game states */ Playing, Won, Lost, Prev = 100, Wall = 999, Glenda = 1000, Err = 0, Ok, }; /* engine.c */ extern int difficulty; extern int state; extern int turn; extern int ptype[2]; /* Human or Computer? */ extern int grid[SzX][SzY]; extern int pgrid[SzX][SzY]; /* for undo */ extern int ogrid[SzX][SzY]; /* so we can restart levels */ /* client code */ extern int debug; /* net.c */ /* we maybe be able to merge all this into one bit-array */ extern int waitbit; /* 0 is go, 1 is wait */ extern int networked; /* 0 is local, 1 is networked */ extern int pside; /* Trapper, Glenda */ void initlevel(void); Point movedir(int dir, Point p); int pointdir(Point src, Point dst); int domove(int dir); int doput(Point p); Point findglenda(void); int checknext(int dir, Point p); int score1(Point p); void calc(void); void nextglenda(void); void restart(void); void undo(void); int checkstate(void);