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_group_init(card_group_t *card_group)
64 card_group->num_cards = 0;
67 static void board_init(board_t *board)
70 board->num_groups = 0;
72 for (i = 0; i <= BOARD_MAX_CARD_GROUPS; ++i)
74 card_group_init(&board->groups[i]);
78 static void player_init(player_t *player)
80 card_group_init(&player->hand);
84 /* If card_one < card_two, then return value will be negative
85 if they are equal, 0 will be returned,
86 if card_one > card_two, then return value will be positive */
87 static int card_compare(const void *one, const void *two)
89 const card_t *card_one = one;
90 const card_t *card_two = two;
91 return card_one->number - card_two->number;
94 static int card_group_is_run_one(card_group_t *card_group)
97 qsort (&card_group->cards[0], card_group->num_cards,
98 sizeof (card_t), card_compare);
100 if (card_group->num_cards > 13 || card_group->num_cards < 3)
104 for (i = 0; i < card_group->num_cards - 1; ++i)
105 if(card_group->cards[i].color != card_group->cards[i + 1].color)
109 if(card_group->cards[i].number != card_group->cards[i + 1].number -1)
117 static int card_group_is_run_two(card_group_t *card_group)
120 int lowest = 14, highest = 0;
123 /* By definition, a run must have at least 3 cards. Also, it's
124 * impossible for any group of cards with more than 13 cards to be
125 * a run, (there are only 13 unique numbers so a group with more
126 * than 13 cards must have some duplicates).
128 if (card_group->num_cards < 3 || card_group->num_cards > 13)
133 /* Loop through all cards in the group, ensuring that they are all
134 * the same color and finding the highest and lowest number in the
136 run_color = card_group->cards[0].color;
138 for (i = 0; i < card_group->num_cards; i++)
140 if (card_group->cards[i].color != run_color)
142 if (card_group->cards[i].number > highest)
144 highest = card_group->cards[i].number;
146 if (card_group->cards[i].number < lowest)
148 lowest = card_group->cards[i].number;
152 /* For a run, the difference between the highest and lowest cards
153 * will always be one less than the number of cards in the
154 * group. If not then we know it's not a run.
156 if (highest - lowest != card_group->num_cards - 1)
161 /* XXX: There's a bug here. We're guessing that at this point
162 * anything we're looking at must be a run. This would be correct
163 * if there were no duplicate cards, but since there are
164 * duplicates this us quite broken. For example consider two
165 * sequences of entirely red cards:
167 * This is a run: 1, 2, 3, 4
168 * But this is not: 1, 3, 4, 4
170 * As currently written, this function will consider both of these
171 * groups to be a run. One possible fix is to throw away the
172 * highest - lowest heuristic and instead simply sort the cards up
173 * front and ensure the difference between each adjacent pair is
179 static int card_group_is_set(card_group_t *card_group)
182 color_t seen_color[card_group->num_cards];
184 if (card_group->num_cards > 4 || card_group->num_cards < 3)
188 for (i = 0; i < card_group->num_cards - 1; ++i)
190 if (card_group->cards[i].number != card_group->cards[i + 1].number)
195 seen_color[i] = card_group->cards[i].color;
196 for (i = 0; i < card_group->num_cards; ++i)
198 seen_color[card_group->cards[i].color]++;
199 if (seen_color[card_group->cards[i].color] > 1)
207 static void deck_deal(game_t *game, deck_t *deck)
213 printf ("How many players(1-4) should I deal in? ");
214 game->num_players = getchar();
215 if (game->num_players == EOF)
217 printf ("\nGoodbye.\n");
221 game->num_players -= '0';
223 for (i = 0; i < game->num_players; ++i)
225 for (j = 0; j < 14; ++j)
227 rand_card = ((deck->num_cards + 1.0) * rand()) / (RAND_MAX + 1.0);
228 temp = deck->cards[rand_card];
229 deck->cards[rand_card] = deck->cards[deck->num_cards - 1];
230 game->players[i].hand.cards[j] = temp;
231 deck->num_cards -= 1;
232 game->players[i].hand.num_cards += 1;
235 printf ("Game dealt for %d player(s)\n", game->num_players);
238 static void deck_init(deck_t *deck)
242 for (h = 0; h <= 1; ++h)
244 for (i = 0; i <= 3; ++i)
246 for (j = 0; j <= 12; ++j)
248 deck->cards[j + (i * 13) + (h * 52)].color = i;
249 deck->cards[j + (i * 13) + (h * 52)].number = j;
250 deck->num_cards += 1;
251 printf ("There are %d tiles in the deck\n", deck->num_cards);
257 static void deck_shuffle(deck_t *deck)
262 for (last = deck->num_cards; last > 0; --last)
264 rand_card = ((last + 1.0) * rand()) / (RAND_MAX + 1.0);
265 temp = deck->cards[rand_card];
266 deck->cards[rand_card] = deck->cards[last - 1];
267 deck->cards[last - 1] = temp;
271 static void deck_print(deck_t *deck)
274 for (h = 0; h < 2; ++h)
276 for (i = 0; i < 4; ++i)
278 for (j = 0; j < 13; ++j)
280 card_print(deck->cards[j + (i * 13) + (h * 52)]);
284 printf ("There are %d tiles in the deck\n" , deck->num_cards);
287 static void deck_draw(game_t *game, cairo_t *cr)
290 for (h = 0; h < game->deck.num_cards; ++h)
292 for (i = 0; i < 8; ++i)
294 for (j = 0; j < 13; ++j)
296 card_draw(game, &game->deck.cards[h], cr, 45 * j , 55 * i);
304 static void hand_print(game_t *game)
307 for (i = 0; i < game->players[0].hand.num_cards; ++i)
309 card_print(game->players[0].hand.cards[i]);
313 static void card_draw(game_t *game, card_t *card, cairo_t *cr, int x, int y)
315 char number_string[2];
316 number_string[0] = card->number + '0';
317 number_string[1] = '\0';
320 cairo_translate(cr, x, y);
321 rsvg_handle_render_cairo (game->blanktile, cr);
323 if (card->color == BLACK)
324 cairo_set_source_rgb (cr, 0.0, 0.0, 0.0);
325 if (card->color == BLUE)
326 cairo_set_source_rgb (cr, 0.0, 0.0, 1.0);
327 if (card->color == RED)
328 cairo_set_source_rgb (cr, 1.0, 0.0, 0.0);
329 if (card->color == YELLOW)
330 cairo_set_source_rgb (cr, 1.0, .843, 0.0);
331 cairo_move_to (cr, 10, 25);
332 cairo_set_font_size(cr, 25);
333 cairo_show_text (cr, number_string);
338 static void game_init(game_t *game)
341 GError *error = NULL;
343 game->num_players = 0;
345 for (i = 0; i < GAME_MAX_PLAYERS; ++i)
347 player_init(&game->players[i]);
348 game->num_players += 1;
351 board_init(&game->board);
352 deck_init(&game->deck);
353 deck_shuffle(&game->deck);
355 game->blanktile = rsvg_handle_new_from_file ("tiles/blanktile.svg", &error);
357 FATAL_ERROR (error->message);
360 static gboolean on_expose_event (GtkWidget *widget, GdkEventExpose *event, game_t *game)
364 cr = gdk_cairo_create (widget->window);
366 rsvg_handle_render_cairo (game->blanktile, cr);
367 card_draw(game, &game->deck.cards[0], cr, 45, 0);
368 card_draw(game, &game->deck.cards[1], cr, 90, 0);
369 //deck_draw(game, cr);
376 static gboolean on_key_press_event (GtkWidget *widget, GdkEventKey *event, game_t *game)
378 printf ("You pressed key %d\n", event->keyval);
383 static gboolean on_button_press_event (GtkWidget *widget, GdkEventButton *event, game_t *game)
385 printf ("You pressed button %d\n", event->button);
390 static gboolean on_button_release_event (GtkWidget *widget, GdkEventButton *event, game_t *game)
392 printf ("You released button %d\n", event->button);
397 int main(int argc, char *argv[])
404 gtk_init (&argc, &argv);
407 deck_print(&game.deck);
408 //deck_deal(&game, &game.deck);
410 deck_print(&game.deck);
412 /* Create a new window */
413 window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
414 gtk_window_set_default_size (GTK_WINDOW (window),
415 GAME_WINDOW_DEFAULT_WIDTH,
416 GAME_WINDOW_DEFAULT_HEIGHT);
418 gtk_widget_set_events (window,
421 GDK_BUTTON_PRESS_MASK |
422 GDK_BUTTON_RELEASE_MASK);
424 g_signal_connect (G_OBJECT (window), "delete_event",
425 G_CALLBACK (gtk_main_quit), NULL);
426 g_signal_connect (G_OBJECT (window), "expose_event",
427 G_CALLBACK (on_expose_event), &game);
428 g_signal_connect (G_OBJECT (window), "key_press_event",
429 G_CALLBACK (on_key_press_event), &game);
430 g_signal_connect (G_OBJECT (window), "button_press_event",
431 G_CALLBACK (on_button_press_event), &game);
432 g_signal_connect (G_OBJECT (window), "button_release_event",
433 G_CALLBACK (on_button_release_event), &game);
435 gtk_widget_show_all (window);