5 #include <librsvg/rsvg.h>
6 #include <librsvg/rsvg-cairo.h>
9 * TILE_NUMBER_X_OFFSET = 3
11 * || TILE_NUMBER_WIDTH = 34
13 * || | TILE_WIDTH = 40
16 * +-----+ - TILE_NUMBER_Y_OFFSET = 3 -
19 * || || TILE_NUMBER_HEIGHT = 24 |
21 * | _ | _ |-TILE_HEIGHT = 50
23 * || || TILE_SUN_HEIGHT = 20 |
25 * | | TILE_SUN_Y_OFFSET = 3 |
27 * || | TILE_SUN_WIDTH = 20
29 * || TILE_SUN_X_OFFSET = 10
32 #define TILE_HEIGHT 50
34 #define TILE_NUMBER_X_OFFSET 3
35 #define TILE_NUMBER_Y_OFFSET 3
36 #define TILE_NUMBER_WIDTH 34
37 #define TILE_NUMBER_HEIGHT 24
39 #define TILE_SUN_X_OFFSET 10
40 #define TILE_SUN_Y_OFFSET 3
41 #define TILE_SUN_WIDTH 20
42 #define TILE_SUN_HEIGHT 20
44 #define FATAL_ERROR(msg) \
45 do { fprintf (stderr, "Error: %s\n", msg); exit (1); } while (0)
47 char *colors[] = {"Black", "Blue", "Red", "Yellow"};
49 typedef enum {BLACK, BLUE, RED, YELLOW} color_t;
58 #define DECK_MAX_TILES 104
61 tile_t tiles[DECK_MAX_TILES];
65 #define TILE_GROUP_MAX_TILES DECK_MAX_TILES
67 typedef struct tile_group {
68 tile_t tiles[TILE_GROUP_MAX_TILES];
72 #define BOARD_MAX_TILE_GROUPS (DECK_MAX_TILES / 3)
74 typedef struct board {
75 tile_group_t groups[BOARD_MAX_TILE_GROUPS];
79 typedef struct player {
83 #define GAME_MAX_PLAYERS 4
84 #define GAME_WINDOW_DEFAULT_WIDTH 800
85 #define GAME_WINDOW_DEFAULT_HEIGHT 600
88 player_t players[GAME_MAX_PLAYERS];
92 RsvgHandle *blanktile;
98 static void tile_init (tile_t *tile, color_t color, int number)
101 tile->number = number;
106 static void tile_set_x_y (tile_t *tile, int x, int y)
112 static void tile_print(tile_t tile)
114 printf("%6s %2d\n", colors[tile.color], tile.number + 1);
117 static void tile_draw(game_t *game, tile_t *tile, cairo_t *cr, GdkRegion *region)
119 char number_string[3];
121 GdkRectangle rectangle;
123 rectangle.x = tile->x - 1;
124 rectangle.y = tile->y - 1;
125 rectangle.width = TILE_WIDTH + 2;
126 rectangle.height = TILE_HEIGHT + 2;
127 if (gdk_region_rect_in (region, &rectangle) == GDK_OVERLAP_RECTANGLE_OUT)
130 len = snprintf (number_string, 3, "%d", tile->number + 1);
131 if (len < 0 || len >= 3)
132 FATAL_ERROR ("snprintf failed");
135 cairo_translate(cr, tile->x, tile->y);
136 rsvg_handle_render_cairo (game->blanktile, cr);
138 if (tile->color == BLACK)
139 cairo_set_source_rgb (cr, 0.0, 0.0, 0.0);
140 if (tile->color == BLUE)
141 cairo_set_source_rgb (cr, 0.0, 0.0, 1.0);
142 if (tile->color == RED)
143 cairo_set_source_rgb (cr, 1.0, 0.0, 0.0);
144 if (tile->color == YELLOW)
145 cairo_set_source_rgb (cr, 1.0, .843, 0.0);
146 cairo_move_to (cr, 10, 25);
147 cairo_set_font_size(cr, 25);
148 cairo_show_text (cr, number_string);
153 static void tile_group_init(tile_group_t *tile_group)
155 tile_group->num_tiles = 0;
158 static void board_init(board_t *board)
161 board->num_groups = 0;
163 for (i = 0; i <= BOARD_MAX_TILE_GROUPS; ++i)
165 tile_group_init(&board->groups[i]);
169 static void player_init(player_t *player)
171 tile_group_init(&player->hand);
175 /* If tile_one < tile_two, then return value will be negative
176 if they are equal, 0 will be returned,
177 if tile_one > tile_two, then return value will be positive */
178 static int tile_compare(const void *one, const void *two)
180 const tile_t *tile_one = one;
181 const tile_t *tile_two = two;
182 return tile_one->number - tile_two->number;
185 static int tile_group_is_run_one(tile_group_t *tile_group)
188 qsort (&tile_group->tiles[0], tile_group->num_tiles,
189 sizeof (tile_t), tile_compare);
191 if (tile_group->num_tiles > 13 || tile_group->num_tiles < 3)
195 for (i = 0; i < tile_group->num_tiles - 1; ++i)
196 if(tile_group->tiles[i].color != tile_group->tiles[i + 1].color)
200 if(tile_group->tiles[i].number != tile_group->tiles[i + 1].number -1)
208 static int tile_group_is_run_two(tile_group_t *tile_group)
211 int lowest = 14, highest = 0;
214 /* By definition, a run must have at least 3 tiles. Also, it's
215 * impossible for any group of tiles with more than 13 tiles to be
216 * a run, (there are only 13 unique numbers so a group with more
217 * than 13 tiles must have some duplicates).
219 if (tile_group->num_tiles < 3 || tile_group->num_tiles > 13)
224 /* Loop through all tiles in the group, ensuring that they are all
225 * the same color and finding the highest and lowest number in the
227 run_color = tile_group->tiles[0].color;
229 for (i = 0; i < tile_group->num_tiles; i++)
231 if (tile_group->tiles[i].color != run_color)
233 if (tile_group->tiles[i].number > highest)
235 highest = tile_group->tiles[i].number;
237 if (tile_group->tiles[i].number < lowest)
239 lowest = tile_group->tiles[i].number;
243 /* For a run, the difference between the highest and lowest tiles
244 * will always be one less than the number of tiles in the
245 * group. If not then we know it's not a run.
247 if (highest - lowest != tile_group->num_tiles - 1)
252 /* XXX: There's a bug here. We're guessing that at this point
253 * anything we're looking at must be a run. This would be correct
254 * if there were no duplicate tiles, but since there are
255 * duplicates this us quite broken. For example consider two
256 * sequences of entirely red tiles:
258 * This is a run: 1, 2, 3, 4
259 * But this is not: 1, 3, 4, 4
261 * As currently written, this function will consider both of these
262 * groups to be a run. One possible fix is to throw away the
263 * highest - lowest heuristic and instead simply sort the tiles up
264 * front and ensure the difference between each adjacent pair is
270 static int tile_group_is_set(tile_group_t *tile_group)
273 color_t seen_color[tile_group->num_tiles];
275 if (tile_group->num_tiles > 4 || tile_group->num_tiles < 3)
279 for (i = 0; i < tile_group->num_tiles - 1; ++i)
281 if (tile_group->tiles[i].number != tile_group->tiles[i + 1].number)
286 seen_color[i] = tile_group->tiles[i].color;
287 for (i = 0; i < tile_group->num_tiles; ++i)
289 seen_color[tile_group->tiles[i].color]++;
290 if (seen_color[tile_group->tiles[i].color] > 1)
298 static void deck_deal(game_t *game, deck_t *deck)
304 printf ("How many players(1-4) should I deal in? ");
305 game->num_players = getchar();
306 if (game->num_players == EOF)
308 printf ("\nGoodbye.\n");
312 game->num_players -= '0';
314 for (i = 0; i < game->num_players; ++i)
316 for (j = 0; j < 14; ++j)
318 rand_tile = ((deck->num_tiles + 1.0) * rand()) / (RAND_MAX + 1.0);
319 temp = deck->tiles[rand_tile];
320 deck->tiles[rand_tile] = deck->tiles[deck->num_tiles - 1];
321 game->players[i].hand.tiles[j] = temp;
322 deck->num_tiles -= 1;
323 game->players[i].hand.num_tiles += 1;
326 printf ("Game dealt for %d player(s)\n", game->num_players);
329 static void deck_init(deck_t *deck)
333 for (h = 0; h <= 1; ++h)
335 for (i = 0; i <= 3; ++i)
337 for (j = 0; j <= 12; ++j)
339 tile_init (&deck->tiles[deck->num_tiles++], i, j);
340 printf ("There are %d tiles in the deck\n", deck->num_tiles);
346 static void deck_shuffle(deck_t *deck)
351 for (last = deck->num_tiles; last > 0; --last)
353 rand_tile = ((last + 1.0) * rand()) / (RAND_MAX + 1.0);
354 temp = deck->tiles[rand_tile];
355 deck->tiles[rand_tile] = deck->tiles[last - 1];
356 deck->tiles[last - 1] = temp;
360 static void deck_print(deck_t *deck)
363 for (h = 0; h < 2; ++h)
365 for (i = 0; i < 4; ++i)
367 for (j = 0; j < 13; ++j)
369 tile_print(deck->tiles[j + (i * 13) + (h * 52)]);
373 printf ("There are %d tiles in the deck\n" , deck->num_tiles);
376 static void deck_spread(deck_t *deck)
379 for (i = 0; i < 8; i++)
381 for (j = 0; j < 13; j++)
383 deck->tiles[j + (i * 13)].x = j * 50;
384 deck->tiles[j + (i * 13)].y = i * 60;
389 static void deck_draw(game_t *game, cairo_t *cr, GdkRegion *region)
392 for (i = 0; i < game->deck.num_tiles; i++)
394 tile_draw(game, &game->deck.tiles[i], cr, region);
398 static void hand_print(game_t *game, int player)
401 for (i = 0; i < game->players[player].hand.num_tiles; i++)
403 tile_print(game->players[player].hand.tiles[i]);
407 static void hand_draw(game_t *game, int player, cairo_t *cr, GdkRegion *region)
410 int gwdw = GAME_WINDOW_DEFAULT_WIDTH;
411 int gwdh = GAME_WINDOW_DEFAULT_HEIGHT;
412 for (i = 0; i < game->players[player].hand.num_tiles; i++)
414 tile_set_x_y(&game->players[player].hand.tiles[i],
415 ((gwdw / game->players[player].hand.num_tiles)) * i,
416 (gwdh - TILE_HEIGHT - 6) );
418 for (i = 0; i < game->players[player].hand.num_tiles; i++)
420 tile_draw(game, &game->players[player].hand.tiles[i], cr, region);
424 static void game_init(game_t *game)
427 GError *error = NULL;
429 game->num_players = 0;
431 for (i = 0; i < GAME_MAX_PLAYERS; ++i)
433 player_init(&game->players[i]);
434 game->num_players += 1;
437 board_init(&game->board);
438 deck_init(&game->deck);
439 deck_shuffle(&game->deck);
441 game->blanktile = rsvg_handle_new_from_file ("tiles/blanktile.svg", &error);
443 FATAL_ERROR (error->message);
445 game->current_tile = game->deck.num_tiles - 1;
446 game->diff_x = game->diff_y = 0;
449 static gboolean on_expose_event (GtkWidget *widget, GdkEventExpose *event, game_t *game)
453 cr = gdk_cairo_create (widget->window);
455 deck_draw(game, cr, event->region);
457 hand_draw(game, 0, cr, event->region);
464 static gboolean on_key_press_event (GtkWidget *widget, GdkEventKey *event, game_t *game)
466 printf ("You pressed key %d\n", event->keyval);
471 static gboolean on_button_press_event (GtkWidget *widget, GdkEventButton *event, game_t *game)
473 int i, tile_x, tile_y;
475 for (i = 0; i < game->deck.num_tiles; i++)
477 tile_x = game->deck.tiles[i].x;
478 tile_y = game->deck.tiles[i].y;
479 if (event->x >= tile_x && event->x <= (tile_x + TILE_WIDTH) &&
480 event->y >= tile_y && event->y <= (tile_y + TILE_HEIGHT) )
482 game->current_tile = i;
483 game->diff_x = event->x - tile_x;
484 game->diff_y = event->y - tile_y;
491 static gboolean on_button_release_event (GtkWidget *widget, GdkEventButton *event, game_t *game)
493 game->current_tile = -1;
494 printf ("You released button %d\n", event->button);
499 static gboolean on_button_motion_event (GtkWidget *widget, GdkEventMotion *event,
500 game_t *game, cairo_t *cr)
504 tile = &game->deck.tiles[game->current_tile];
506 /* First, invalidate the region where the tile currently is. */
507 gtk_widget_queue_draw_area (widget, tile->x - 1, tile->y - 1, TILE_WIDTH + 1, TILE_HEIGHT + 2);
509 /* Then, move the tile */
510 tile->x = event->x - game->diff_x;
511 tile->y = event->y - game->diff_y;
513 /* Finally, invalidate the region where the tile is now. */
514 gtk_widget_queue_draw_area (widget, tile->x - 1, tile->y - 1, TILE_WIDTH + 1, TILE_HEIGHT + 2);
519 int main(int argc, char *argv[])
526 gtk_init (&argc, &argv);
529 deck_print(&game.deck);
530 deck_spread(&game.deck);
531 deck_deal(&game, &game.deck);
532 //hand_print(&game, 0); //With Zero being passed, will print hand for player 1(players[0])
533 //deck_print(&game.deck);
535 /* Create a new window */
536 window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
537 gtk_window_set_default_size (GTK_WINDOW (window),
538 GAME_WINDOW_DEFAULT_WIDTH,
539 GAME_WINDOW_DEFAULT_HEIGHT);
541 gtk_widget_set_events (window,
544 GDK_BUTTON_MOTION_MASK |
545 GDK_BUTTON_PRESS_MASK |
546 GDK_BUTTON_RELEASE_MASK);
548 g_signal_connect (G_OBJECT (window), "delete_event",
549 G_CALLBACK (gtk_main_quit), NULL);
550 g_signal_connect (G_OBJECT (window), "expose_event",
551 G_CALLBACK (on_expose_event), &game);
552 g_signal_connect (G_OBJECT (window), "key_press_event",
553 G_CALLBACK (on_key_press_event), &game);
554 g_signal_connect (G_OBJECT (window), "button_press_event",
555 G_CALLBACK (on_button_press_event), &game);
556 g_signal_connect (G_OBJECT (window), "button_release_event",
557 G_CALLBACK (on_button_release_event), &game);
558 g_signal_connect (G_OBJECT (window), "motion_notify_event",
559 G_CALLBACK (on_button_motion_event), &game);
562 gtk_widget_show_all (window);