2 * puzzles.h: header file for my puzzle collection
5 #ifndef PUZZLES_PUZZLES_H
6 #define PUZZLES_PUZZLES_H
15 #define lenof(array) ( sizeof(array) / sizeof(*(array)) )
31 #define IGNOREARG(x) ( (x) = (x) )
33 typedef struct frontend frontend;
34 typedef struct midend_data midend_data;
35 typedef struct random_state random_state;
36 typedef struct game_params game_params;
37 typedef struct game_state game_state;
38 typedef struct game_drawstate game_drawstate;
40 #define ALIGN_VNORMAL 0x000
41 #define ALIGN_VCENTRE 0x100
43 #define ALIGN_HLEFT 0x000
44 #define ALIGN_HCENTRE 0x001
45 #define ALIGN_HRIGHT 0x002
48 #define FONT_VARIABLE 1
53 void fatal(char *fmt, ...);
54 void frontend_default_colour(frontend *fe, float *output);
55 void draw_text(frontend *fe, int x, int y, int fonttype, int fontsize,
56 int align, int colour, char *text);
57 void draw_rect(frontend *fe, int x, int y, int w, int h, int colour);
58 void draw_line(frontend *fe, int x1, int y1, int x2, int y2, int colour);
59 void draw_polygon(frontend *fe, int *coords, int npoints,
60 int fill, int colour);
61 void clip(frontend *fe, int x, int y, int w, int h);
62 void unclip(frontend *fe);
63 void start_draw(frontend *fe);
64 void draw_update(frontend *fe, int x, int y, int w, int h);
65 void end_draw(frontend *fe);
66 void deactivate_timer(frontend *fe);
67 void activate_timer(frontend *fe);
72 midend_data *midend_new(frontend *fe);
73 void midend_free(midend_data *me);
74 void midend_set_params(midend_data *me, game_params *params);
75 void midend_size(midend_data *me, int *x, int *y);
76 void midend_new_game(midend_data *me, char *seed);
77 void midend_restart_game(midend_data *me);
78 int midend_process_key(midend_data *me, int x, int y, int button);
79 void midend_redraw(midend_data *me);
80 float *midend_colours(midend_data *me, int *ncolours);
81 void midend_timer(midend_data *me, float tplus);
82 int midend_num_presets(midend_data *me);
83 void midend_fetch_preset(midend_data *me, int n,
84 char **name, game_params **params);
89 void *smalloc(int size);
90 void *srealloc(void *p, int size);
92 char *dupstr(char *s);
94 ( (type *) smalloc (sizeof (type)) )
95 #define snewn(number, type) \
96 ( (type *) smalloc ((number) * sizeof (type)) )
97 #define sresize(array, number, type) \
98 ( (type *) srealloc ((array), (number) * sizeof (type)) )
103 int rand_upto(int limit);
108 random_state *random_init(char *seed, int len);
109 unsigned long random_upto(random_state *state, unsigned long limit);
110 void random_free(random_state *state);
113 * Game-specific routines
115 extern const char *const game_name;
116 game_params *default_params(void);
117 int game_fetch_preset(int i, char **name, game_params **params);
118 void free_params(game_params *params);
119 game_params *dup_params(game_params *params);
120 char *new_game_seed(game_params *params);
121 game_state *new_game(game_params *params, char *seed);
122 game_state *dup_game(game_state *state);
123 void free_game(game_state *state);
124 game_state *make_move(game_state *from, int x, int y, int button);
125 void game_size(game_params *params, int *x, int *y);
126 float *game_colours(frontend *fe, game_state *state, int *ncolours);
127 game_drawstate *game_new_drawstate(game_state *state);
128 void game_free_drawstate(game_drawstate *ds);
129 void game_redraw(frontend *fe, game_drawstate *ds, game_state *oldstate,
130 game_state *newstate, float anim_time, float flash_time);
131 float game_anim_length(game_state *oldstate, game_state *newstate);
132 float game_flash_length(game_state *oldstate, game_state *newstate);
134 #endif /* PUZZLES_PUZZLES_H */