5 #include <librsvg/rsvg.h>
6 #include <librsvg/rsvg-cairo.h>
8 #define FATAL_ERROR(msg) \
9 do { fprintf (stderr, "Error: %s\n", msg); exit (1); } while (0)
11 char *colors[] = {"Black", "Blue", "Red", "Yellow"};
13 typedef enum {BLACK, BLUE, RED, YELLOW} color_t;
20 #define DECK_MAX_TILES 104
23 tile_t tiles[DECK_MAX_TILES];
27 #define TILE_GROUP_MAX_TILES DECK_MAX_TILES
29 typedef struct tile_group {
30 tile_t tiles[TILE_GROUP_MAX_TILES];
34 #define BOARD_MAX_TILE_GROUPS (DECK_MAX_TILES / 3)
36 typedef struct board {
37 tile_group_t groups[BOARD_MAX_TILE_GROUPS];
41 typedef struct player {
45 #define GAME_MAX_PLAYERS 4
46 #define GAME_WINDOW_DEFAULT_WIDTH 800
47 #define GAME_WINDOW_DEFAULT_HEIGHT 600
50 player_t players[GAME_MAX_PLAYERS];
54 RsvgHandle *blanktile;
58 tile_init (tile_t *tile, color_t color, int number)
61 tile->number = number;
64 static void tile_print(tile_t tile)
66 printf("%6s %2d\n", colors[tile.color], tile.number + 1);
69 static void tile_draw(game_t *game, tile_t *tile, cairo_t *cr, int x, int y)
71 char number_string[3];
74 len = snprintf (number_string, 3, "%d", tile->number + 1);
75 if (len < 0 || len >= 3)
76 FATAL_ERROR ("snprintf failed");
79 cairo_translate(cr, x, y);
80 rsvg_handle_render_cairo (game->blanktile, cr);
82 if (tile->color == BLACK)
83 cairo_set_source_rgb (cr, 0.0, 0.0, 0.0);
84 if (tile->color == BLUE)
85 cairo_set_source_rgb (cr, 0.0, 0.0, 1.0);
86 if (tile->color == RED)
87 cairo_set_source_rgb (cr, 1.0, 0.0, 0.0);
88 if (tile->color == YELLOW)
89 cairo_set_source_rgb (cr, 1.0, .843, 0.0);
90 cairo_move_to (cr, 10, 25);
91 cairo_set_font_size(cr, 25);
92 cairo_show_text (cr, number_string);
97 static void tile_group_init(tile_group_t *tile_group)
99 tile_group->num_tiles = 0;
102 static void board_init(board_t *board)
105 board->num_groups = 0;
107 for (i = 0; i <= BOARD_MAX_TILE_GROUPS; ++i)
109 tile_group_init(&board->groups[i]);
113 static void player_init(player_t *player)
115 tile_group_init(&player->hand);
119 /* If tile_one < tile_two, then return value will be negative
120 if they are equal, 0 will be returned,
121 if tile_one > tile_two, then return value will be positive */
122 static int tile_compare(const void *one, const void *two)
124 const tile_t *tile_one = one;
125 const tile_t *tile_two = two;
126 return tile_one->number - tile_two->number;
129 static int tile_group_is_run_one(tile_group_t *tile_group)
132 qsort (&tile_group->tiles[0], tile_group->num_tiles,
133 sizeof (tile_t), tile_compare);
135 if (tile_group->num_tiles > 13 || tile_group->num_tiles < 3)
139 for (i = 0; i < tile_group->num_tiles - 1; ++i)
140 if(tile_group->tiles[i].color != tile_group->tiles[i + 1].color)
144 if(tile_group->tiles[i].number != tile_group->tiles[i + 1].number -1)
152 static int tile_group_is_run_two(tile_group_t *tile_group)
155 int lowest = 14, highest = 0;
158 /* By definition, a run must have at least 3 tiles. Also, it's
159 * impossible for any group of tiles with more than 13 tiles to be
160 * a run, (there are only 13 unique numbers so a group with more
161 * than 13 tiles must have some duplicates).
163 if (tile_group->num_tiles < 3 || tile_group->num_tiles > 13)
168 /* Loop through all tiles in the group, ensuring that they are all
169 * the same color and finding the highest and lowest number in the
171 run_color = tile_group->tiles[0].color;
173 for (i = 0; i < tile_group->num_tiles; i++)
175 if (tile_group->tiles[i].color != run_color)
177 if (tile_group->tiles[i].number > highest)
179 highest = tile_group->tiles[i].number;
181 if (tile_group->tiles[i].number < lowest)
183 lowest = tile_group->tiles[i].number;
187 /* For a run, the difference between the highest and lowest tiles
188 * will always be one less than the number of tiles in the
189 * group. If not then we know it's not a run.
191 if (highest - lowest != tile_group->num_tiles - 1)
196 /* XXX: There's a bug here. We're guessing that at this point
197 * anything we're looking at must be a run. This would be correct
198 * if there were no duplicate tiles, but since there are
199 * duplicates this us quite broken. For example consider two
200 * sequences of entirely red tiles:
202 * This is a run: 1, 2, 3, 4
203 * But this is not: 1, 3, 4, 4
205 * As currently written, this function will consider both of these
206 * groups to be a run. One possible fix is to throw away the
207 * highest - lowest heuristic and instead simply sort the tiles up
208 * front and ensure the difference between each adjacent pair is
214 static int tile_group_is_set(tile_group_t *tile_group)
217 color_t seen_color[tile_group->num_tiles];
219 if (tile_group->num_tiles > 4 || tile_group->num_tiles < 3)
223 for (i = 0; i < tile_group->num_tiles - 1; ++i)
225 if (tile_group->tiles[i].number != tile_group->tiles[i + 1].number)
230 seen_color[i] = tile_group->tiles[i].color;
231 for (i = 0; i < tile_group->num_tiles; ++i)
233 seen_color[tile_group->tiles[i].color]++;
234 if (seen_color[tile_group->tiles[i].color] > 1)
242 static void deck_deal(game_t *game, deck_t *deck)
248 printf ("How many players(1-4) should I deal in? ");
249 game->num_players = getchar();
250 if (game->num_players == EOF)
252 printf ("\nGoodbye.\n");
256 game->num_players -= '0';
258 for (i = 0; i < game->num_players; ++i)
260 for (j = 0; j < 14; ++j)
262 rand_tile = ((deck->num_tiles + 1.0) * rand()) / (RAND_MAX + 1.0);
263 temp = deck->tiles[rand_tile];
264 deck->tiles[rand_tile] = deck->tiles[deck->num_tiles - 1];
265 game->players[i].hand.tiles[j] = temp;
266 deck->num_tiles -= 1;
267 game->players[i].hand.num_tiles += 1;
270 printf ("Game dealt for %d player(s)\n", game->num_players);
273 static void deck_init(deck_t *deck)
277 for (h = 0; h <= 1; ++h)
279 for (i = 0; i <= 3; ++i)
281 for (j = 0; j <= 12; ++j)
283 tile_init (&deck->tiles[deck->num_tiles++], i, j);
284 printf ("There are %d tiles in the deck\n", deck->num_tiles);
290 static void deck_shuffle(deck_t *deck)
295 for (last = deck->num_tiles; last > 0; --last)
297 rand_tile = ((last + 1.0) * rand()) / (RAND_MAX + 1.0);
298 temp = deck->tiles[rand_tile];
299 deck->tiles[rand_tile] = deck->tiles[last - 1];
300 deck->tiles[last - 1] = temp;
304 static void deck_print(deck_t *deck)
307 for (h = 0; h < 2; ++h)
309 for (i = 0; i < 4; ++i)
311 for (j = 0; j < 13; ++j)
313 tile_print(deck->tiles[j + (i * 13) + (h * 52)]);
317 printf ("There are %d tiles in the deck\n" , deck->num_tiles);
320 static void deck_draw(game_t *game, cairo_t *cr)
324 for (i = 0; i < 8; ++i)
326 for (j = 0; j < 13; ++j)
328 tile_draw(game, &game->deck.tiles[j + (i * 13)],
334 static void hand_print(game_t *game)
337 for (i = 0; i < game->players[0].hand.num_tiles; ++i)
339 tile_print(game->players[0].hand.tiles[i]);
343 static void game_init(game_t *game)
346 GError *error = NULL;
348 game->num_players = 0;
350 for (i = 0; i < GAME_MAX_PLAYERS; ++i)
352 player_init(&game->players[i]);
353 game->num_players += 1;
356 board_init(&game->board);
357 deck_init(&game->deck);
358 deck_shuffle(&game->deck);
360 game->blanktile = rsvg_handle_new_from_file ("tiles/blanktile.svg", &error);
362 FATAL_ERROR (error->message);
365 static gboolean on_expose_event (GtkWidget *widget, GdkEventExpose *event, game_t *game)
369 cr = gdk_cairo_create (widget->window);
378 static gboolean on_key_press_event (GtkWidget *widget, GdkEventKey *event, game_t *game)
380 printf ("You pressed key %d\n", event->keyval);
385 static gboolean on_button_press_event (GtkWidget *widget, GdkEventButton *event, game_t *game)
387 printf ("You pressed button %d\n", event->button);
392 static gboolean on_button_release_event (GtkWidget *widget, GdkEventButton *event, game_t *game)
394 printf ("You released button %d\n", event->button);
399 int main(int argc, char *argv[])
406 gtk_init (&argc, &argv);
409 deck_print(&game.deck);
410 //deck_deal(&game, &game.deck);
412 deck_print(&game.deck);
414 /* Create a new window */
415 window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
416 gtk_window_set_default_size (GTK_WINDOW (window),
417 GAME_WINDOW_DEFAULT_WIDTH,
418 GAME_WINDOW_DEFAULT_HEIGHT);
420 gtk_widget_set_events (window,
423 GDK_BUTTON_PRESS_MASK |
424 GDK_BUTTON_RELEASE_MASK);
426 g_signal_connect (G_OBJECT (window), "delete_event",
427 G_CALLBACK (gtk_main_quit), NULL);
428 g_signal_connect (G_OBJECT (window), "expose_event",
429 G_CALLBACK (on_expose_event), &game);
430 g_signal_connect (G_OBJECT (window), "key_press_event",
431 G_CALLBACK (on_key_press_event), &game);
432 g_signal_connect (G_OBJECT (window), "button_press_event",
433 G_CALLBACK (on_button_press_event), &game);
434 g_signal_connect (G_OBJECT (window), "button_release_event",
435 G_CALLBACK (on_button_release_event), &game);
437 gtk_widget_show_all (window);