X-Git-Url: https://git.distorted.org.uk/~mdw/sgt/puzzles/blobdiff_plain/87ed82be805fe13d9f29dca16e867eaeb9a3fd24..42132f2d662cd51e696af7923f7331bfb636b0cd:/puzzles.h

diff --git a/puzzles.h b/puzzles.h
index 5b75697..b7d2804 100644
--- a/puzzles.h
+++ b/puzzles.h
@@ -31,35 +31,83 @@ enum {
 #define IGNOREARG(x) ( (x) = (x) )
 
 typedef struct frontend frontend;
+typedef struct config_item config_item;
 typedef struct midend_data midend_data;
 typedef struct random_state random_state;
 typedef struct game_params game_params;
 typedef struct game_state game_state;
 typedef struct game_drawstate game_drawstate;
 
+#define ALIGN_VNORMAL 0x000
+#define ALIGN_VCENTRE 0x100
+
+#define ALIGN_HLEFT   0x000
+#define ALIGN_HCENTRE 0x001
+#define ALIGN_HRIGHT  0x002
+
+#define FONT_FIXED    0
+#define FONT_VARIABLE 1
+
+/*
+ * Structure used to pass configuration data between frontend and
+ * game
+ */
+enum { C_STRING, C_CHOICES, C_BOOLEAN, C_END };
+struct config_item {
+    /*
+     * `name' is never dynamically allocated.
+     */
+    char *name;
+    /*
+     * `type' contains one of the above values.
+     */
+    int type;
+    /*
+     * For C_STRING, `sval' is always dynamically allocated and
+     * non-NULL. For C_BOOLEAN and C_END, `sval' is always NULL.
+     * For C_CHOICES, `sval' is non-NULL, _not_ dynamically
+     * allocated, and contains a set of option strings separated by
+     * a delimiter. The delimeter is also the first character in
+     * the string, so for example ":Foo:Bar:Baz" gives three
+     * options `Foo', `Bar' and `Baz'.
+     */
+    char *sval;
+    /*
+     * For C_BOOLEAN, this is TRUE or FALSE. For C_CHOICES, it
+     * indicates the chosen index from the `sval' list. In the
+     * above example, 0==Foo, 1==Bar and 2==Baz.
+     */
+    int ival;
+};
+
 /*
  * Platform routines
  */
 void fatal(char *fmt, ...);
 void frontend_default_colour(frontend *fe, float *output);
+void draw_text(frontend *fe, int x, int y, int fonttype, int fontsize,
+               int align, int colour, char *text);
 void draw_rect(frontend *fe, int x, int y, int w, int h, int colour);
 void draw_line(frontend *fe, int x1, int y1, int x2, int y2, int colour);
 void draw_polygon(frontend *fe, int *coords, int npoints,
                   int fill, int colour);
+void clip(frontend *fe, int x, int y, int w, int h);
+void unclip(frontend *fe);
 void start_draw(frontend *fe);
 void draw_update(frontend *fe, int x, int y, int w, int h);
 void end_draw(frontend *fe);
 void deactivate_timer(frontend *fe);
 void activate_timer(frontend *fe);
+void status_bar(frontend *fe, char *text);
 
 /*
  * midend.c
  */
-midend_data *midend_new(frontend *fe);
+midend_data *midend_new(frontend *fe, void *randseed, int randseedsize);
 void midend_free(midend_data *me);
 void midend_set_params(midend_data *me, game_params *params);
 void midend_size(midend_data *me, int *x, int *y);
-void midend_new_game(midend_data *me, char *seed);
+void midend_new_game(midend_data *me);
 void midend_restart_game(midend_data *me);
 int midend_process_key(midend_data *me, int x, int y, int button);
 void midend_redraw(midend_data *me);
@@ -68,6 +116,10 @@ void midend_timer(midend_data *me, float tplus);
 int midend_num_presets(midend_data *me);
 void midend_fetch_preset(midend_data *me, int n,
                          char **name, game_params **params);
+int midend_wants_statusbar(midend_data *me);
+enum { CFG_SETTINGS, CFG_SEED };
+config_item *midend_get_config(midend_data *me, int which, char **wintitle);
+char *midend_set_config(midend_data *me, int which, config_item *cfg);
 
 /*
  * malloc.c
@@ -75,7 +127,7 @@ void midend_fetch_preset(midend_data *me, int n,
 void *smalloc(int size);
 void *srealloc(void *p, int size);
 void sfree(void *p);
-char *dupstr(char *s);
+char *dupstr(const char *s);
 #define snew(type) \
     ( (type *) smalloc (sizeof (type)) )
 #define snewn(number, type) \
@@ -84,9 +136,15 @@ char *dupstr(char *s);
     ( (type *) srealloc ((array), (number) * sizeof (type)) )
 
 /*
+ * misc.c
+ */
+void free_cfg(config_item *cfg);
+
+/*
  * random.c
  */
 random_state *random_init(char *seed, int len);
+unsigned long random_bits(random_state *state, int bits);
 unsigned long random_upto(random_state *state, unsigned long limit);
 void random_free(random_state *state);
 
@@ -94,11 +152,16 @@ void random_free(random_state *state);
  * Game-specific routines
  */
 extern const char *const game_name;
+const int game_can_configure;
 game_params *default_params(void);
 int game_fetch_preset(int i, char **name, game_params **params);
 void free_params(game_params *params);
 game_params *dup_params(game_params *params);
-char *new_game_seed(game_params *params);
+config_item *game_configure(game_params *params);
+game_params *custom_params(config_item *cfg);
+char *validate_params(game_params *params);
+char *new_game_seed(game_params *params, random_state *rs);
+char *validate_seed(game_params *params, char *seed);
 game_state *new_game(game_params *params, char *seed);
 game_state *dup_game(game_state *state);
 void free_game(game_state *state);
@@ -111,5 +174,6 @@ void game_redraw(frontend *fe, game_drawstate *ds, game_state *oldstate,
                  game_state *newstate, float anim_time, float flash_time);
 float game_anim_length(game_state *oldstate, game_state *newstate);
 float game_flash_length(game_state *oldstate, game_state *newstate);
+int game_wants_statusbar(void);
 
 #endif /* PUZZLES_PUZZLES_H */