mdw@git.distorted.org.uk Git - sgt/puzzles/blob - puzzles.h

   1 /*
   2  * puzzles.h: header file for my puzzle collection
   3  */
   4
   5 #ifndef PUZZLES_PUZZLES_H
   6 #define PUZZLES_PUZZLES_H
   7
   8 #ifndef TRUE
   9 #define TRUE 1
  10 #endif
  11 #ifndef FALSE
  12 #define FALSE 0
  13 #endif
  14
  15 #define lenof(array) ( sizeof(array) / sizeof(*(array)) )
  16
  17 enum {
  18     LEFT_BUTTON = 0x1000,
  19     MIDDLE_BUTTON,
  20     RIGHT_BUTTON,
  21     CURSOR_UP,
  22     CURSOR_DOWN,
  23     CURSOR_LEFT,
  24     CURSOR_RIGHT
  25 };
  26
  27 #define IGNOREARG(x) ( (x) = (x) )
  28
  29 typedef struct frontend frontend;
  30 typedef struct midend_data midend_data;
  31 typedef struct random_state random_state;
  32 typedef struct game_params game_params;
  33 typedef struct game_state game_state;
  34 typedef struct game_drawstate game_drawstate;
  35
  36 /*
  37  * Platform routines
  38  */
  39 void fatal(char *fmt, ...);
  40 void frontend_default_colour(frontend *fe, float *output);
  41 void draw_rect(frontend *fe, int x, int y, int w, int h, int colour);
  42 void draw_line(frontend *fe, int x1, int y1, int x2, int y2, int colour);
  43 void draw_polygon(frontend *fe, int *coords, int npoints,
  44                   int fill, int colour);
  45 void start_draw(frontend *fe);
  46 void draw_update(frontend *fe, int x, int y, int w, int h);
  47 void end_draw(frontend *fe);
  48 void deactivate_timer(frontend *fe);
  49 void activate_timer(frontend *fe);
  50
  51 /*
  52  * midend.c
  53  */
  54 midend_data *midend_new(frontend *fe);
  55 void midend_free(midend_data *me);
  56 void midend_set_params(midend_data *me, game_params *params);
  57 void midend_size(midend_data *me, int *x, int *y);
  58 void midend_new_game(midend_data *me, char *seed);
  59 void midend_restart_game(midend_data *me);
  60 int midend_process_key(midend_data *me, int x, int y, int button);
  61 void midend_redraw(midend_data *me);
  62 float *midend_colours(midend_data *me, int *ncolours);
  63 void midend_timer(midend_data *me, float tplus);
  64 int midend_num_presets(midend_data *me);
  65 void midend_fetch_preset(midend_data *me, int n,
  66                          char **name, game_params **params);
  67
  68 /*
  69  * malloc.c
  70  */
  71 void *smalloc(int size);
  72 void *srealloc(void *p, int size);
  73 void sfree(void *p);
  74 char *dupstr(char *s);
  75 #define snew(type) \
  76     ( (type *) smalloc (sizeof (type)) )
  77 #define snewn(number, type) \
  78     ( (type *) smalloc ((number) * sizeof (type)) )
  79 #define sresize(array, number, type) \
  80     ( (type *) srealloc ((array), (number) * sizeof (type)) )
  81
  82 /*
  83  * random.c
  84  */
  85 random_state *random_init(char *seed, int len);
  86 unsigned long random_upto(random_state *state, unsigned long limit);
  87 void random_free(random_state *state);
  88
  89 /*
  90  * Game-specific routines
  91  */
  92 game_params *default_params(void);
  93 int game_fetch_preset(int i, char **name, game_params **params);
  94 void free_params(game_params *params);
  95 game_params *dup_params(game_params *params);
  96 char *new_game_seed(game_params *params);
  97 game_state *new_game(game_params *params, char *seed);
  98 game_state *dup_game(game_state *state);
  99 void free_game(game_state *state);
 100 game_state *make_move(game_state *from, int x, int y, int button);
 101 void game_size(game_params *params, int *x, int *y);
 102 float *game_colours(frontend *fe, game_state *state, int *ncolours);
 103 game_drawstate *game_new_drawstate(game_state *state);
 104 void game_free_drawstate(game_drawstate *ds);
 105 void game_redraw(frontend *fe, game_drawstate *ds, game_state *oldstate,
 106                  game_state *newstate, float t);
 107 float game_anim_length(game_state *oldstate, game_state *newstate);
 108
 109 #endif /* PUZZLES_PUZZLES_H */