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_CARDS 104
23 card_t cards[DECK_MAX_CARDS];
27 #define CARD_GROUP_MAX_CARDS DECK_MAX_CARDS
29 typedef struct card_group {
30 card_t cards[CARD_GROUP_MAX_CARDS];
34 #define BOARD_MAX_CARD_GROUPS (DECK_MAX_CARDS / 3)
36 typedef struct board {
37 card_group_t groups[BOARD_MAX_CARD_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;
57 static void card_print(card_t card)
59 printf("%6s %2d\n", colors[card.color], card.number + 1);
62 static void card_draw(game_t *game, card_t *card, cairo_t *cr, int x, int y)
64 char number_string[2];
65 number_string[0] = card->number + '0';
66 number_string[1] = '\0';
69 cairo_translate(cr, x, y);
70 rsvg_handle_render_cairo (game->blanktile, cr);
72 if (card->color == BLACK)
73 cairo_set_source_rgb (cr, 0.0, 0.0, 0.0);
74 if (card->color == BLUE)
75 cairo_set_source_rgb (cr, 0.0, 0.0, 1.0);
76 if (card->color == RED)
77 cairo_set_source_rgb (cr, 1.0, 0.0, 0.0);
78 if (card->color == YELLOW)
79 cairo_set_source_rgb (cr, 1.0, .843, 0.0);
80 cairo_move_to (cr, 10, 25);
81 cairo_set_font_size(cr, 25);
82 cairo_show_text (cr, number_string);
87 static void card_group_init(card_group_t *card_group)
89 card_group->num_cards = 0;
92 static void board_init(board_t *board)
95 board->num_groups = 0;
97 for (i = 0; i <= BOARD_MAX_CARD_GROUPS; ++i)
99 card_group_init(&board->groups[i]);
103 static void player_init(player_t *player)
105 card_group_init(&player->hand);
109 /* If card_one < card_two, then return value will be negative
110 if they are equal, 0 will be returned,
111 if card_one > card_two, then return value will be positive */
112 static int card_compare(const void *one, const void *two)
114 const card_t *card_one = one;
115 const card_t *card_two = two;
116 return card_one->number - card_two->number;
119 static int card_group_is_run_one(card_group_t *card_group)
122 qsort (&card_group->cards[0], card_group->num_cards,
123 sizeof (card_t), card_compare);
125 if (card_group->num_cards > 13 || card_group->num_cards < 3)
129 for (i = 0; i < card_group->num_cards - 1; ++i)
130 if(card_group->cards[i].color != card_group->cards[i + 1].color)
134 if(card_group->cards[i].number != card_group->cards[i + 1].number -1)
142 static int card_group_is_run_two(card_group_t *card_group)
145 int lowest = 14, highest = 0;
148 /* By definition, a run must have at least 3 cards. Also, it's
149 * impossible for any group of cards with more than 13 cards to be
150 * a run, (there are only 13 unique numbers so a group with more
151 * than 13 cards must have some duplicates).
153 if (card_group->num_cards < 3 || card_group->num_cards > 13)
158 /* Loop through all cards in the group, ensuring that they are all
159 * the same color and finding the highest and lowest number in the
161 run_color = card_group->cards[0].color;
163 for (i = 0; i < card_group->num_cards; i++)
165 if (card_group->cards[i].color != run_color)
167 if (card_group->cards[i].number > highest)
169 highest = card_group->cards[i].number;
171 if (card_group->cards[i].number < lowest)
173 lowest = card_group->cards[i].number;
177 /* For a run, the difference between the highest and lowest cards
178 * will always be one less than the number of cards in the
179 * group. If not then we know it's not a run.
181 if (highest - lowest != card_group->num_cards - 1)
186 /* XXX: There's a bug here. We're guessing that at this point
187 * anything we're looking at must be a run. This would be correct
188 * if there were no duplicate cards, but since there are
189 * duplicates this us quite broken. For example consider two
190 * sequences of entirely red cards:
192 * This is a run: 1, 2, 3, 4
193 * But this is not: 1, 3, 4, 4
195 * As currently written, this function will consider both of these
196 * groups to be a run. One possible fix is to throw away the
197 * highest - lowest heuristic and instead simply sort the cards up
198 * front and ensure the difference between each adjacent pair is
204 static int card_group_is_set(card_group_t *card_group)
207 color_t seen_color[card_group->num_cards];
209 if (card_group->num_cards > 4 || card_group->num_cards < 3)
213 for (i = 0; i < card_group->num_cards - 1; ++i)
215 if (card_group->cards[i].number != card_group->cards[i + 1].number)
220 seen_color[i] = card_group->cards[i].color;
221 for (i = 0; i < card_group->num_cards; ++i)
223 seen_color[card_group->cards[i].color]++;
224 if (seen_color[card_group->cards[i].color] > 1)
232 static void deck_deal(game_t *game, deck_t *deck)
238 printf ("How many players(1-4) should I deal in? ");
239 game->num_players = getchar();
240 if (game->num_players == EOF)
242 printf ("\nGoodbye.\n");
246 game->num_players -= '0';
248 for (i = 0; i < game->num_players; ++i)
250 for (j = 0; j < 14; ++j)
252 rand_card = ((deck->num_cards + 1.0) * rand()) / (RAND_MAX + 1.0);
253 temp = deck->cards[rand_card];
254 deck->cards[rand_card] = deck->cards[deck->num_cards - 1];
255 game->players[i].hand.cards[j] = temp;
256 deck->num_cards -= 1;
257 game->players[i].hand.num_cards += 1;
260 printf ("Game dealt for %d player(s)\n", game->num_players);
263 static void deck_init(deck_t *deck)
267 for (h = 0; h <= 1; ++h)
269 for (i = 0; i <= 3; ++i)
271 for (j = 0; j <= 12; ++j)
273 deck->cards[j + (i * 13) + (h * 52)].color = i;
274 deck->cards[j + (i * 13) + (h * 52)].number = j;
275 deck->num_cards += 1;
276 printf ("There are %d tiles in the deck\n", deck->num_cards);
282 static void deck_shuffle(deck_t *deck)
287 for (last = deck->num_cards; last > 0; --last)
289 rand_card = ((last + 1.0) * rand()) / (RAND_MAX + 1.0);
290 temp = deck->cards[rand_card];
291 deck->cards[rand_card] = deck->cards[last - 1];
292 deck->cards[last - 1] = temp;
296 static void deck_print(deck_t *deck)
299 for (h = 0; h < 2; ++h)
301 for (i = 0; i < 4; ++i)
303 for (j = 0; j < 13; ++j)
305 card_print(deck->cards[j + (i * 13) + (h * 52)]);
309 printf ("There are %d tiles in the deck\n" , deck->num_cards);
312 static void deck_draw(game_t *game, cairo_t *cr)
316 for (i = 0; i < 8; ++i)
318 for (j = 0; j < 13; ++j)
320 card_draw(game, &game->deck.cards[j + (i * 13)],
326 static void hand_print(game_t *game)
329 for (i = 0; i < game->players[0].hand.num_cards; ++i)
331 card_print(game->players[0].hand.cards[i]);
335 static void game_init(game_t *game)
338 GError *error = NULL;
340 game->num_players = 0;
342 for (i = 0; i < GAME_MAX_PLAYERS; ++i)
344 player_init(&game->players[i]);
345 game->num_players += 1;
348 board_init(&game->board);
349 deck_init(&game->deck);
350 deck_shuffle(&game->deck);
352 game->blanktile = rsvg_handle_new_from_file ("tiles/blanktile.svg", &error);
354 FATAL_ERROR (error->message);
357 static gboolean on_expose_event (GtkWidget *widget, GdkEventExpose *event, game_t *game)
361 cr = gdk_cairo_create (widget->window);
370 static gboolean on_key_press_event (GtkWidget *widget, GdkEventKey *event, game_t *game)
372 printf ("You pressed key %d\n", event->keyval);
377 static gboolean on_button_press_event (GtkWidget *widget, GdkEventButton *event, game_t *game)
379 printf ("You pressed button %d\n", event->button);
384 static gboolean on_button_release_event (GtkWidget *widget, GdkEventButton *event, game_t *game)
386 printf ("You released button %d\n", event->button);
391 int main(int argc, char *argv[])
398 gtk_init (&argc, &argv);
401 deck_print(&game.deck);
402 //deck_deal(&game, &game.deck);
404 deck_print(&game.deck);
406 /* Create a new window */
407 window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
408 gtk_window_set_default_size (GTK_WINDOW (window),
409 GAME_WINDOW_DEFAULT_WIDTH,
410 GAME_WINDOW_DEFAULT_HEIGHT);
412 gtk_widget_set_events (window,
415 GDK_BUTTON_PRESS_MASK |
416 GDK_BUTTON_RELEASE_MASK);
418 g_signal_connect (G_OBJECT (window), "delete_event",
419 G_CALLBACK (gtk_main_quit), NULL);
420 g_signal_connect (G_OBJECT (window), "expose_event",
421 G_CALLBACK (on_expose_event), &game);
422 g_signal_connect (G_OBJECT (window), "key_press_event",
423 G_CALLBACK (on_key_press_event), &game);
424 g_signal_connect (G_OBJECT (window), "button_press_event",
425 G_CALLBACK (on_button_press_event), &game);
426 g_signal_connect (G_OBJECT (window), "button_release_event",
427 G_CALLBACK (on_button_release_event), &game);
429 gtk_widget_show_all (window);