ref: cbe4b116989c0bfec49b9ae7a1d9a85ead6648ae
dir: /sys/src/games/mahjongg/mahjongg.h/
enum {
/*
* D[1-4], the seasons, appear only once
* F[1-4], the flowers, appear only once
* everything else appears 4 times
* for a total of 144
*/
A1 = 0, A2, A3, A4, A5, A6, A7, A8, A9,
B1, B2, B3, B4, B5, B6, B7, B8, B9,
C1, C2, C3, C4, C5, C6, C7, C8, C9,
D1, D2, D3, D4, E1, E2, E3, E4,
F1, F2, F3, F4, G1, G2, G3,
Seasons,
Flowers,
};
enum {
/* level-specific enums */
Tiles = 144,
Depth = 5,
TileDxy = 6, /* tile displacement when on a higher level */
Lx = 32,
Ly = 16,
Bord = Depth*TileDxy,
};
enum {
/* the size of a complete tile */
Tilex = 60,
Tiley = 74,
/* only the face part */
Facex = 54,
Facey = 68,
/* and the entire window, giving room for 5*6 = 30 pixels
* that are needed for the higher tiles
*/
Sizex = Lx*Facex/2 + 2*Bord,
Sizey = Ly*Facey/2 + 2*Bord,
};
/* which part of a tile */
typedef enum {
None,
TL, /* main brick */
TR,
BR,
BL,
} Which;
typedef struct {
Point start; /* where is this brick in the tileset */
int clicked;
Which which;
int type;
int redraw;
} Brick;
typedef struct {
int d;
int x;
int y;
} Click;
typedef struct {
Brick board[Depth][Lx][Ly]; /* grid of quarter tiles */
Click c; /* player has a brick selected */
Click l; /* mouse-over-brick indicator */
int done;
Click hist[Tiles];
int remaining;
} Level;
Level level; /* the level played */
Level orig; /* same, sans modifications */
Image *img; /* buffer */
Image *background;
Image *brdr;
Image *gameover;
Image *litbrdr;
Image *mask;
Image *selected;
Image *textcol;
Image *tileset;
/* logic.c */
Click Cl(int d, int x, int y);
Click NC;
Brick *bmatch(Click c);
int canmove(void);
Click cmatch(Click c, int dtop);
int eqcl(Click c1, Click c2);
int isfree(Click c);
/* graphics.c */
void clearlevel(void);
void clicked(Point);
void deselect(void);
void done(void);
void drawlevel(void);
void hint(void);
void light(Point);
void resize(Point);
void undo(void);
/* mahjongg.c */
Image *eallocimage(Rectangle, int, uint, uint);
char *genlevels(int);
/* level.c */
void generate(uint seed);
int parse(char *);