#include <stdlib.h>
#include <time.h>
#include <gtk/gtk.h>
+#include <librsvg/rsvg.h>
+#include <librsvg/rsvg-cairo.h>
+
+#define FATAL_ERROR(msg) \
+ do { fprintf (stderr, "Error: %s\n", msg); exit (1); } while (0)
char *colors[] = {"Black", "Blue", "Red", "Yellow"};
int num_players;
board_t board;
deck_t deck;
+ RsvgHandle *blanktile;
} game_t;
static void card_print(card_t card)
printf("%6s %2d\n", colors[card.color], card.number + 1);
}
+static void card_draw(game_t *game, card_t *card, cairo_t *cr, int x, int y)
+{
+ char number_string[3];
+ int len;
+
+ len = snprintf (number_string, 3, "%d", card->number + 1);
+ if (len < 0 || len >= 3)
+ FATAL_ERROR ("snprintf failed");
+
+ cairo_save(cr);
+ cairo_translate(cr, x, y);
+ rsvg_handle_render_cairo (game->blanktile, cr);
+
+ if (card->color == BLACK)
+ cairo_set_source_rgb (cr, 0.0, 0.0, 0.0);
+ if (card->color == BLUE)
+ cairo_set_source_rgb (cr, 0.0, 0.0, 1.0);
+ if (card->color == RED)
+ cairo_set_source_rgb (cr, 1.0, 0.0, 0.0);
+ if (card->color == YELLOW)
+ cairo_set_source_rgb (cr, 1.0, .843, 0.0);
+ cairo_move_to (cr, 10, 25);
+ cairo_set_font_size(cr, 25);
+ cairo_show_text (cr, number_string);
+
+ cairo_restore(cr);
+}
+
static void card_group_init(card_group_t *card_group)
{
card_group->num_cards = 0;
}
-static int card_compare(card_t *card_one, card_t *card_two)
+/* If card_one < card_two, then return value will be negative
+ if they are equal, 0 will be returned,
+ if card_one > card_two, then return value will be positive */
+static int card_compare(const void *one, const void *two)
{
+ const card_t *card_one = one;
+ const card_t *card_two = two;
return card_one->number - card_two->number;
}
-static int card_group_is_run(card_group_t *card_group)
+static int card_group_is_run_one(card_group_t *card_group)
+{
+ int i;
+ qsort (&card_group->cards[0], card_group->num_cards,
+ sizeof (card_t), card_compare);
+
+ if (card_group->num_cards > 13 || card_group->num_cards < 3)
+ {
+ return 0;
+ }
+ for (i = 0; i < card_group->num_cards - 1; ++i)
+ if(card_group->cards[i].color != card_group->cards[i + 1].color)
+ {
+ return 0;
+ }
+ if(card_group->cards[i].number != card_group->cards[i + 1].number -1)
+ {
+ return 0;
+ }
+ return 1;
+}
+
+
+static int card_group_is_run_two(card_group_t *card_group)
{
int i;
int lowest = 14, highest = 0;
color_t run_color;
- if (card_group->num_cards > 13 || card_group->num_cards < 3)
+ /* By definition, a run must have at least 3 cards. Also, it's
+ * impossible for any group of cards with more than 13 cards to be
+ * a run, (there are only 13 unique numbers so a group with more
+ * than 13 cards must have some duplicates).
+ */
+ if (card_group->num_cards < 3 || card_group->num_cards > 13)
{
return 0;
}
- run_color = card_group->cards[i].color;
+ /* Loop through all cards in the group, ensuring that they are all
+ * the same color and finding the highest and lowest number in the
+ * group. */
+ run_color = card_group->cards[0].color;
for (i = 0; i < card_group->num_cards; i++)
{
if (card_group->cards[i].color != run_color)
return 0;
-
if (card_group->cards[i].number > highest)
{
highest = card_group->cards[i].number;
lowest = card_group->cards[i].number;
}
}
+
+ /* For a run, the difference between the highest and lowest cards
+ * will always be one less than the number of cards in the
+ * group. If not then we know it's not a run.
+ */
if (highest - lowest != card_group->num_cards - 1)
{
return 0;
}
+
+ /* XXX: There's a bug here. We're guessing that at this point
+ * anything we're looking at must be a run. This would be correct
+ * if there were no duplicate cards, but since there are
+ * duplicates this us quite broken. For example consider two
+ * sequences of entirely red cards:
+ *
+ * This is a run: 1, 2, 3, 4
+ * But this is not: 1, 3, 4, 4
+ *
+ * As currently written, this function will consider both of these
+ * groups to be a run. One possible fix is to throw away the
+ * highest - lowest heuristic and instead simply sort the cards up
+ * front and ensure the difference between each adjacent pair is
+ * exactly 1.
+ */
return 1;
}
static void deck_print(deck_t *deck)
{
int h, i, j;
- for (h = 0; h <= 1; ++h)
+ for (h = 0; h < 2; ++h)
{
- for (i = 0; i <= 3; ++i)
+ for (i = 0; i < 4; ++i)
{
- for (j = 0; j <= 12; ++j)
+ for (j = 0; j < 13; ++j)
{
card_print(deck->cards[j + (i * 13) + (h * 52)]);
}
printf ("There are %d tiles in the deck\n" , deck->num_cards);
}
+static void deck_draw(game_t *game, cairo_t *cr)
+{
+ int i, j;
+
+ for (i = 0; i < 8; ++i)
+ {
+ for (j = 0; j < 13; ++j)
+ {
+ card_draw(game, &game->deck.cards[j + (i * 13)],
+ cr, 45 * j, 55 * i);
+ }
+ }
+}
+
static void hand_print(game_t *game)
{
int i;
static void game_init(game_t *game)
{
int i;
+ GError *error = NULL;
+
game->num_players = 0;
for (i = 0; i < GAME_MAX_PLAYERS; ++i)
board_init(&game->board);
deck_init(&game->deck);
deck_shuffle(&game->deck);
+
+ game->blanktile = rsvg_handle_new_from_file ("tiles/blanktile.svg", &error);
+ if (error)
+ FATAL_ERROR (error->message);
}
static gboolean on_expose_event (GtkWidget *widget, GdkEventExpose *event, game_t *game)
{
- printf ("I should be drawing something here\n");
+ cairo_t *cr;
+
+ cr = gdk_cairo_create (widget->window);
+
+ deck_draw(game, cr);
+
+ cairo_destroy (cr);
return TRUE;
}
game_t game;
srand(time(NULL));
+
+ gtk_init (&argc, &argv);
game_init(&game);
deck_print(&game.deck);
- deck_deal(&game, &game.deck);
+ //deck_deal(&game, &game.deck);
hand_print(&game);
deck_print(&game.deck);
- gtk_init (&argc, &argv);
-
/* Create a new window */
window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
gtk_window_set_default_size (GTK_WINDOW (window),
projects / kub / blobdiff