X-Git-Url: https://git.cworth.org/git?a=blobdiff_plain;f=kub.c;h=8a026a4369eccf1a2fa4f6883bab0d5d6516cf3f;hb=646aa6968206c6ba983210457bdf28d717caae93;hp=1a64c8d3f732c837a883f7ee1b983212df560d0b;hpb=8442454fc4bf8c73c9dc2b016f449784029a8961;p=kub diff --git a/kub.c b/kub.c index 1a64c8d..8a026a4 100644 --- a/kub.c +++ b/kub.c @@ -2,6 +2,11 @@ #include #include #include +#include +#include + +#define FATAL_ERROR(msg) \ + do { fprintf (stderr, "Error: %s\n", msg); exit (1); } while (0) char *colors[] = {"Black", "Blue", "Red", "Yellow"}; @@ -46,6 +51,7 @@ typedef struct game { int num_players; board_t board; deck_t deck; + RsvgHandle *blanktile; } game_t; static void card_print(card_t card) @@ -75,35 +81,64 @@ static void player_init(player_t *player) } -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) { - if (card_one->number < card_two->number) - return -1; - if (card_one->number == card_two->number) - return 0; - /* At this point, we know that this must be true: - * if (card_one->number > card_two->number) - */ - return 1; + 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; - int lowest = 14, highest = 0; + 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) + 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; + + /* 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; } - for (i = 0; i < card_group->num_cards; ++i) + + /* 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; @@ -113,10 +148,31 @@ static int card_group_is_run(card_group_t *card_group) 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; } @@ -215,11 +271,11 @@ static void deck_shuffle(deck_t *deck) 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)]); } @@ -228,6 +284,23 @@ static void deck_print(deck_t *deck) printf ("There are %d tiles in the deck\n" , deck->num_cards); } +static void deck_draw(game_t *game, cairo_t *cr) +{ + int h, i, j; + for (h = 0; h < game->deck.num_cards; ++h) + { + for (i = 0; i < 8; ++i) + { + for (j = 0; j < 13; ++j) + { + card_draw(game, &game->deck.cards[h], cr, 45 * j , 55 * i); + } + } + } +} + + + static void hand_print(game_t *game) { int i; @@ -237,9 +310,36 @@ static void hand_print(game_t *game) } } +static void card_draw(game_t *game, card_t *card, cairo_t *cr, int x, int y) +{ + char number_string[2]; + number_string[0] = card->number + '0'; + number_string[1] = '\0'; + + 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 game_init(game_t *game) { int i; + GError *error = NULL; + game->num_players = 0; for (i = 0; i < GAME_MAX_PLAYERS; ++i) @@ -251,11 +351,24 @@ static void game_init(game_t *game) 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); + + rsvg_handle_render_cairo (game->blanktile, cr); + card_draw(game, &game->deck.cards[0], cr, 45, 0); + card_draw(game, &game->deck.cards[1], cr, 90, 0); + //deck_draw(game, cr); + + cairo_destroy (cr); return TRUE; } @@ -287,15 +400,15 @@ int main(int argc, char *argv[]) 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),