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     CURSOR_UP_LEFT,
  26     CURSOR_DOWN_LEFT,
  27     CURSOR_UP_RIGHT,
  28     CURSOR_DOWN_RIGHT
  29 };
  30
  31 #define IGNOREARG(x) ( (x) = (x) )
  32
  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;
  39
  40 #define ALIGN_VNORMAL 0x000
  41 #define ALIGN_VCENTRE 0x100
  42
  43 #define ALIGN_HLEFT   0x000
  44 #define ALIGN_HCENTRE 0x001
  45 #define ALIGN_HRIGHT  0x002
  46
  47 #define FONT_FIXED    0
  48 #define FONT_VARIABLE 1
  49
  50 /*
  51  * Platform routines
  52  */
  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);
  68
  69 /*
  70  * midend.c
  71  */
  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);
  85
  86 /*
  87  * malloc.c
  88  */
  89 void *smalloc(int size);
  90 void *srealloc(void *p, int size);
  91 void sfree(void *p);
  92 char *dupstr(char *s);
  93 #define snew(type) \
  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)) )
  99
 100 /*
 101  * misc.c
 102  */
 103 int rand_upto(int limit);
 104
 105 /*
 106  * random.c
 107  */
 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);
 111
 112 /*
 113  * Game-specific routines
 114  */
 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);
 133
 134 #endif /* PUZZLES_PUZZLES_H */