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;
22 #define DECK_MAX_TILES 104
25 tile_t tiles[DECK_MAX_TILES];
29 #define TILE_GROUP_MAX_TILES DECK_MAX_TILES
31 typedef struct tile_group {
32 tile_t tiles[TILE_GROUP_MAX_TILES];
36 #define BOARD_MAX_TILE_GROUPS (DECK_MAX_TILES / 3)
38 typedef struct board {
39 tile_group_t groups[BOARD_MAX_TILE_GROUPS];
43 typedef struct player {
47 #define GAME_MAX_PLAYERS 4
48 #define GAME_WINDOW_DEFAULT_WIDTH 800
49 #define GAME_WINDOW_DEFAULT_HEIGHT 600
52 player_t players[GAME_MAX_PLAYERS];
56 RsvgHandle *blanktile;
60 tile_init (tile_t *tile, color_t color, int number)
63 tile->number = number;
68 static void tile_print(tile_t tile)
70 printf("%6s %2d\n", colors[tile.color], tile.number + 1);
73 static void tile_draw(game_t *game, tile_t *tile, cairo_t *cr)
75 char number_string[3];
78 len = snprintf (number_string, 3, "%d", tile->number + 1);
79 if (len < 0 || len >= 3)
80 FATAL_ERROR ("snprintf failed");
83 cairo_translate(cr, tile->x, tile->y);
84 rsvg_handle_render_cairo (game->blanktile, cr);
86 if (tile->color == BLACK)
87 cairo_set_source_rgb (cr, 0.0, 0.0, 0.0);
88 if (tile->color == BLUE)
89 cairo_set_source_rgb (cr, 0.0, 0.0, 1.0);
90 if (tile->color == RED)
91 cairo_set_source_rgb (cr, 1.0, 0.0, 0.0);
92 if (tile->color == YELLOW)
93 cairo_set_source_rgb (cr, 1.0, .843, 0.0);
94 cairo_move_to (cr, 10, 25);
95 cairo_set_font_size(cr, 25);
96 cairo_show_text (cr, number_string);
101 static void tile_group_init(tile_group_t *tile_group)
103 tile_group->num_tiles = 0;
106 static void board_init(board_t *board)
109 board->num_groups = 0;
111 for (i = 0; i <= BOARD_MAX_TILE_GROUPS; ++i)
113 tile_group_init(&board->groups[i]);
117 static void player_init(player_t *player)
119 tile_group_init(&player->hand);
123 /* If tile_one < tile_two, then return value will be negative
124 if they are equal, 0 will be returned,
125 if tile_one > tile_two, then return value will be positive */
126 static int tile_compare(const void *one, const void *two)
128 const tile_t *tile_one = one;
129 const tile_t *tile_two = two;
130 return tile_one->number - tile_two->number;
133 static int tile_group_is_run_one(tile_group_t *tile_group)
136 qsort (&tile_group->tiles[0], tile_group->num_tiles,
137 sizeof (tile_t), tile_compare);
139 if (tile_group->num_tiles > 13 || tile_group->num_tiles < 3)
143 for (i = 0; i < tile_group->num_tiles - 1; ++i)
144 if(tile_group->tiles[i].color != tile_group->tiles[i + 1].color)
148 if(tile_group->tiles[i].number != tile_group->tiles[i + 1].number -1)
156 static int tile_group_is_run_two(tile_group_t *tile_group)
159 int lowest = 14, highest = 0;
162 /* By definition, a run must have at least 3 tiles. Also, it's
163 * impossible for any group of tiles with more than 13 tiles to be
164 * a run, (there are only 13 unique numbers so a group with more
165 * than 13 tiles must have some duplicates).
167 if (tile_group->num_tiles < 3 || tile_group->num_tiles > 13)
172 /* Loop through all tiles in the group, ensuring that they are all
173 * the same color and finding the highest and lowest number in the
175 run_color = tile_group->tiles[0].color;
177 for (i = 0; i < tile_group->num_tiles; i++)
179 if (tile_group->tiles[i].color != run_color)
181 if (tile_group->tiles[i].number > highest)
183 highest = tile_group->tiles[i].number;
185 if (tile_group->tiles[i].number < lowest)
187 lowest = tile_group->tiles[i].number;
191 /* For a run, the difference between the highest and lowest tiles
192 * will always be one less than the number of tiles in the
193 * group. If not then we know it's not a run.
195 if (highest - lowest != tile_group->num_tiles - 1)
200 /* XXX: There's a bug here. We're guessing that at this point
201 * anything we're looking at must be a run. This would be correct
202 * if there were no duplicate tiles, but since there are
203 * duplicates this us quite broken. For example consider two
204 * sequences of entirely red tiles:
206 * This is a run: 1, 2, 3, 4
207 * But this is not: 1, 3, 4, 4
209 * As currently written, this function will consider both of these
210 * groups to be a run. One possible fix is to throw away the
211 * highest - lowest heuristic and instead simply sort the tiles up
212 * front and ensure the difference between each adjacent pair is
218 static int tile_group_is_set(tile_group_t *tile_group)
221 color_t seen_color[tile_group->num_tiles];
223 if (tile_group->num_tiles > 4 || tile_group->num_tiles < 3)
227 for (i = 0; i < tile_group->num_tiles - 1; ++i)
229 if (tile_group->tiles[i].number != tile_group->tiles[i + 1].number)
234 seen_color[i] = tile_group->tiles[i].color;
235 for (i = 0; i < tile_group->num_tiles; ++i)
237 seen_color[tile_group->tiles[i].color]++;
238 if (seen_color[tile_group->tiles[i].color] > 1)
246 static void deck_deal(game_t *game, deck_t *deck)
252 printf ("How many players(1-4) should I deal in? ");
253 game->num_players = getchar();
254 if (game->num_players == EOF)
256 printf ("\nGoodbye.\n");
260 game->num_players -= '0';
262 for (i = 0; i < game->num_players; ++i)
264 for (j = 0; j < 14; ++j)
266 rand_tile = ((deck->num_tiles + 1.0) * rand()) / (RAND_MAX + 1.0);
267 temp = deck->tiles[rand_tile];
268 deck->tiles[rand_tile] = deck->tiles[deck->num_tiles - 1];
269 game->players[i].hand.tiles[j] = temp;
270 deck->num_tiles -= 1;
271 game->players[i].hand.num_tiles += 1;
274 printf ("Game dealt for %d player(s)\n", game->num_players);
277 static void deck_init(deck_t *deck)
281 for (h = 0; h <= 1; ++h)
283 for (i = 0; i <= 3; ++i)
285 for (j = 0; j <= 12; ++j)
287 tile_init (&deck->tiles[deck->num_tiles++], i, j);
288 printf ("There are %d tiles in the deck\n", deck->num_tiles);
294 static void deck_shuffle(deck_t *deck)
299 for (last = deck->num_tiles; last > 0; --last)
301 rand_tile = ((last + 1.0) * rand()) / (RAND_MAX + 1.0);
302 temp = deck->tiles[rand_tile];
303 deck->tiles[rand_tile] = deck->tiles[last - 1];
304 deck->tiles[last - 1] = temp;
308 static void deck_print(deck_t *deck)
311 for (h = 0; h < 2; ++h)
313 for (i = 0; i < 4; ++i)
315 for (j = 0; j < 13; ++j)
317 tile_print(deck->tiles[j + (i * 13) + (h * 52)]);
321 printf ("There are %d tiles in the deck\n" , deck->num_tiles);
324 static void deck_draw(game_t *game, cairo_t *cr)
328 for (i = 0; i < 8; ++i)
330 for (j = 0; j < 13; ++j)
332 tile_draw(game, &game->deck.tiles[j + (i * 13)], cr);
337 static void hand_print(game_t *game)
340 for (i = 0; i < game->players[0].hand.num_tiles; ++i)
342 tile_print(game->players[0].hand.tiles[i]);
346 static void game_init(game_t *game)
349 GError *error = NULL;
351 game->num_players = 0;
353 for (i = 0; i < GAME_MAX_PLAYERS; ++i)
355 player_init(&game->players[i]);
356 game->num_players += 1;
359 board_init(&game->board);
360 deck_init(&game->deck);
361 deck_shuffle(&game->deck);
363 game->blanktile = rsvg_handle_new_from_file ("tiles/blanktile.svg", &error);
365 FATAL_ERROR (error->message);
368 static gboolean on_expose_event (GtkWidget *widget, GdkEventExpose *event, game_t *game)
372 cr = gdk_cairo_create (widget->window);
381 static gboolean on_key_press_event (GtkWidget *widget, GdkEventKey *event, game_t *game)
383 printf ("You pressed key %d\n", event->keyval);
388 static gboolean on_button_press_event (GtkWidget *widget, GdkEventButton *event, game_t *game)
390 printf ("You pressed button %d\n", event->button);
395 static gboolean on_button_release_event (GtkWidget *widget, GdkEventButton *event, game_t *game)
397 printf ("You released button %d\n", event->button);
402 int main(int argc, char *argv[])
409 gtk_init (&argc, &argv);
412 deck_print(&game.deck);
413 //deck_deal(&game, &game.deck);
415 deck_print(&game.deck);
417 /* Create a new window */
418 window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
419 gtk_window_set_default_size (GTK_WINDOW (window),
420 GAME_WINDOW_DEFAULT_WIDTH,
421 GAME_WINDOW_DEFAULT_HEIGHT);
423 gtk_widget_set_events (window,
426 GDK_BUTTON_PRESS_MASK |
427 GDK_BUTTON_RELEASE_MASK);
429 g_signal_connect (G_OBJECT (window), "delete_event",
430 G_CALLBACK (gtk_main_quit), NULL);
431 g_signal_connect (G_OBJECT (window), "expose_event",
432 G_CALLBACK (on_expose_event), &game);
433 g_signal_connect (G_OBJECT (window), "key_press_event",
434 G_CALLBACK (on_key_press_event), &game);
435 g_signal_connect (G_OBJECT (window), "button_press_event",
436 G_CALLBACK (on_button_press_event), &game);
437 g_signal_connect (G_OBJECT (window), "button_release_event",
438 G_CALLBACK (on_button_release_event), &game);
440 gtk_widget_show_all (window);