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 typedef struct selection_box {
84 int x1, x2, y1, y2, visible;
87 #define GAME_MAX_PLAYERS 4
88 #define GAME_WINDOW_DEFAULT_WIDTH 800
89 #define GAME_WINDOW_DEFAULT_HEIGHT 600
92 player_t players[GAME_MAX_PLAYERS];
96 selection_box_t selection_box;
97 RsvgHandle *blanktile;
101 int click_x, click_y;
102 int release_x, release_y; /*Currently unused*/
105 static void selection_box_init(selection_box_t *box)
114 static void selection_box_draw(selection_box_t *box, cairo_t *cr)
116 int box_x = MIN(box->x1, box->x2);
117 int box_y = MIN(box->y1, box->y2);
118 int box_width = abs(box->x2 - box->x1);
119 int box_height = abs(box->y2 - box->y1);
120 cairo_rectangle (cr, box_x, box_y, box_width, box_height);
121 cairo_set_source_rgba(cr, 0.0, 0.1, 0.2, 0.5);
125 static void tile_init (tile_t *tile, color_t color, int number)
128 tile->number = number;
133 static void tile_set_x_y (tile_t *tile, int x, int y)
139 static void tile_print(tile_t tile)
141 printf("%6s %2d\n", colors[tile.color], tile.number + 1);
144 static void tile_draw(game_t *game, tile_t *tile, cairo_t *cr, GdkRegion *region)
146 char number_string[3];
148 GdkRectangle rectangle;
150 rectangle.x = tile->x - 1;
151 rectangle.y = tile->y - 1;
152 rectangle.width = TILE_WIDTH + 2;
153 rectangle.height = TILE_HEIGHT + 2;
154 if (gdk_region_rect_in (region, &rectangle) == GDK_OVERLAP_RECTANGLE_OUT)
157 len = snprintf (number_string, 3, "%d", tile->number + 1);
158 if (len < 0 || len >= 3)
159 FATAL_ERROR ("snprintf failed");
162 cairo_translate(cr, tile->x, tile->y);
163 rsvg_handle_render_cairo (game->blanktile, cr);
165 if (tile->color == BLACK)
166 cairo_set_source_rgb (cr, 0.0, 0.0, 0.0);
167 if (tile->color == BLUE)
168 cairo_set_source_rgb (cr, 0.0, 0.0, 1.0);
169 if (tile->color == RED)
170 cairo_set_source_rgb (cr, 1.0, 0.0, 0.0);
171 if (tile->color == YELLOW)
172 cairo_set_source_rgb (cr, 1.0, .843, 0.0);
173 if (tile->number + 1 > 9)
174 cairo_move_to (cr, 1, 25);
176 cairo_move_to (cr, 10, 25);
177 cairo_set_font_size(cr, 25);
178 cairo_show_text (cr, number_string);
183 static void tile_group_init(tile_group_t *tile_group)
185 tile_group->num_tiles = 0;
188 static void board_init(board_t *board)
191 board->num_groups = 0;
193 for (i = 0; i <= BOARD_MAX_TILE_GROUPS; ++i)
195 tile_group_init(&board->groups[i]);
199 static void player_init(player_t *player)
201 tile_group_init(&player->hand);
205 /* If tile_one < tile_two, then return value will be negative
206 if they are equal, 0 will be returned,
207 if tile_one > tile_two, then return value will be positive */
208 static int tile_compare(const void *one, const void *two)
210 const tile_t *tile_one = one;
211 const tile_t *tile_two = two;
212 return tile_one->number - tile_two->number;
215 static int tile_group_is_run_one(tile_group_t *tile_group)
218 qsort (&tile_group->tiles[0], tile_group->num_tiles,
219 sizeof (tile_t), tile_compare);
221 if (tile_group->num_tiles > 13 || tile_group->num_tiles < 3)
223 printf("fail run - invalid num tiles; ");
226 for (i = 0; i < tile_group->num_tiles - 1; ++i)
228 if(tile_group->tiles[i].color != tile_group->tiles[i + 1].color)
230 printf("fail run - colors don't match; ");
233 if( tile_group->tiles[i].number != tile_group->tiles[i + 1].number -1 &&
234 i+1 != tile_group->num_tiles)
236 printf("fail run - invalid number sequence; ");
244 static int tile_group_is_run_two(tile_group_t *tile_group)
247 int lowest = 14, highest = 0;
250 /* By definition, a run must have at least 3 tiles. Also, it's
251 * impossible for any group of tiles with more than 13 tiles to be
252 * a run, (there are only 13 unique numbers so a group with more
253 * than 13 tiles must have some duplicates).
255 if (tile_group->num_tiles < 3 || tile_group->num_tiles > 13)
260 /* Loop through all tiles in the group, ensuring that they are all
261 * the same color and finding the highest and lowest number in the
263 run_color = tile_group->tiles[0].color;
265 for (i = 0; i < tile_group->num_tiles; i++)
267 if (tile_group->tiles[i].color != run_color)
269 if (tile_group->tiles[i].number > highest)
271 highest = tile_group->tiles[i].number;
273 if (tile_group->tiles[i].number < lowest)
275 lowest = tile_group->tiles[i].number;
279 /* For a run, the difference between the highest and lowest tiles
280 * will always be one less than the number of tiles in the
281 * group. If not then we know it's not a run.
283 if (highest - lowest != tile_group->num_tiles - 1)
288 /* XXX: There's a bug here. We're guessing that at this point
289 * anything we're looking at must be a run. This would be correct
290 * if there were no duplicate tiles, but since there are
291 * duplicates this us quite broken. For example consider two
292 * sequences of entirely red tiles:
294 * This is a run: 1, 2, 3, 4
295 * But this is not: 1, 3, 4, 4
297 * As currently written, this function will consider both of these
298 * groups to be a run. One possible fix is to throw away the
299 * highest - lowest heuristic and instead simply sort the tiles up
300 * front and ensure the difference between each adjacent pair is
306 static int tile_group_is_set(tile_group_t *tile_group)
309 color_t seen_color[4];
310 for (i = 0; i < 4; i++)
313 if (tile_group->num_tiles > 4 || tile_group->num_tiles < 3)
315 printf("fail set - invalid num tiles; ");
318 for (i = 0; i <= tile_group->num_tiles - 1; ++i)
320 if (tile_group->tiles[i].number != tile_group->tiles[i + 1].number &&
321 i+1 != tile_group->num_tiles)
323 printf("fail set - numbers don't match; ");
326 seen_color[tile_group->tiles[i].color] += 1;
328 for (i = 0; i < 4; i++)
330 if (seen_color[i] > 1)
332 printf("fail set - repeat color; ");
339 static void deck_deal(game_t *game, deck_t *deck)
345 printf ("How many players(1-4) should I deal in? ");
346 game->num_players = getchar();
347 if (game->num_players == EOF)
349 printf ("\nGoodbye.\n");
353 game->num_players -= '0';
355 for (i = 0; i < game->num_players; ++i)
357 for (j = 0; j < 14; ++j)
359 rand_tile = ((deck->num_tiles + 1.0) * rand()) / (RAND_MAX + 1.0);
360 temp = deck->tiles[rand_tile];
361 deck->tiles[rand_tile] = deck->tiles[deck->num_tiles - 1];
362 game->players[i].hand.tiles[j] = temp;
363 deck->num_tiles -= 1;
364 game->players[i].hand.num_tiles += 1;
367 printf ("Game dealt for %d player(s)\n", game->num_players);
370 static void deck_init(deck_t *deck)
374 for (h = 0; h <= 1; ++h)
376 for (i = 0; i <= 3; ++i)
378 for (j = 0; j <= 12; ++j)
380 tile_init (&deck->tiles[deck->num_tiles++], i, j);
381 printf ("There are %d tiles in the deck\n", deck->num_tiles);
387 static void deck_shuffle(deck_t *deck)
392 for (last = deck->num_tiles; last > 0; --last)
394 rand_tile = ((last + 1.0) * rand()) / (RAND_MAX + 1.0);
395 temp = deck->tiles[rand_tile];
396 deck->tiles[rand_tile] = deck->tiles[last - 1];
397 deck->tiles[last - 1] = temp;
401 static void deck_print(deck_t *deck)
404 for (h = 0; h < 2; ++h)
406 for (i = 0; i < 4; ++i)
408 for (j = 0; j < 13; ++j)
410 tile_print(deck->tiles[j + (i * 13) + (h * 52)]);
414 printf ("There are %d tiles in the deck\n" , deck->num_tiles);
417 static void deck_spread(deck_t *deck)
420 for (i = 0; i < 8; i++)
422 for (j = 0; j < 13; j++)
424 deck->tiles[j + (i * 13)].x = j * 50;
425 deck->tiles[j + (i * 13)].y = i * 60;
430 static void deck_draw(game_t *game, cairo_t *cr, GdkRegion *region)
433 for (i = 0; i < game->deck.num_tiles; i++)
435 tile_draw(game, &game->deck.tiles[i], cr, region);
439 static void hand_print(game_t *game, int player)
442 for (i = 0; i < game->players[player].hand.num_tiles; i++)
444 tile_print(game->players[player].hand.tiles[i]);
448 static void hand_draw(game_t *game, int player, cairo_t *cr, GdkRegion *region)
451 int gwdw = GAME_WINDOW_DEFAULT_WIDTH;
452 int gwdh = GAME_WINDOW_DEFAULT_HEIGHT;
453 for (i = 0; i < game->players[player].hand.num_tiles; i++)
455 tile_set_x_y(&game->players[player].hand.tiles[i],
456 ((gwdw / game->players[player].hand.num_tiles)) * i,
457 (gwdh - TILE_HEIGHT - 6) );
459 for (i = 0; i < game->players[player].hand.num_tiles; i++)
461 tile_draw(game, &game->players[player].hand.tiles[i], cr, region);
465 static void game_init(game_t *game)
468 GError *error = NULL;
470 game->num_players = 0;
472 for (i = 0; i < GAME_MAX_PLAYERS; ++i)
474 player_init(&game->players[i]);
475 game->num_players += 1;
478 selection_box_init(&game->selection_box);
479 board_init(&game->board);
480 deck_init(&game->deck);
481 deck_shuffle(&game->deck);
483 game->blanktile = rsvg_handle_new_from_file ("tiles/blanktile.svg", &error);
485 FATAL_ERROR (error->message);
487 /*This line appears to be useless, has been replaced by line below*/
488 //game->current_tile = game->deck.num_tiles - 1;
489 game->current_tile = -1;
491 game->diff_x = game->diff_y = 0;
494 static gboolean on_expose_event (GtkWidget *widget, GdkEventExpose *event, game_t *game)
498 cr = gdk_cairo_create (widget->window);
500 deck_draw(game, cr, event->region);
502 if (game->selection_box.visible)
503 selection_box_draw(&game->selection_box, cr);
505 hand_draw(game, 0, cr, event->region);
512 static gboolean on_key_press_event (GtkWidget *widget, GdkEventKey *event, game_t *game)
514 printf ("You pressed key %d\n", event->keyval);
519 static gboolean on_button_press_event (GtkWidget *widget, GdkEventButton *event, game_t *game)
521 int i, tile_x, tile_y;
523 for (i = 0; i < game->deck.num_tiles; i++)
525 tile_x = game->deck.tiles[i].x;
526 tile_y = game->deck.tiles[i].y;
527 if (event->x >= tile_x && event->x <= (tile_x + TILE_WIDTH) &&
528 event->y >= tile_y && event->y <= (tile_y + TILE_HEIGHT) )
530 game->current_tile = i;
531 game->diff_x = event->x - tile_x;
532 game->diff_y = event->y - tile_y;
535 if (game->current_tile == -1)
537 game->selection_box.visible = 1;
538 /*These next two lines are likely to be replaced by...*/
539 game->click_x = event->x;
540 game->click_y = event->y;
541 /*...these two lines*/
542 game->selection_box.x1 = event->x;
543 game->selection_box.y1 = event->y;
548 static gboolean on_button_release_event (GtkWidget *widget, GdkEventButton *event, game_t *game)
550 if (game->current_tile == -1)
552 selection_box_t *box;
553 box = &game->selection_box;
556 gtk_widget_queue_draw_area (widget, box->x, box->y, box->width, box->height);
561 int i, tile_x, tile_y;
562 for (i = 0; i < game->deck.num_tiles; i++)
564 tile_x = game->deck.tiles[i].x;
565 tile_y = game->deck.tiles[i].y;
566 if ( (event->x >= tile_x && game->click_x <= tile_x &&
567 event->y >= tile_y && game->click_y <= tile_y) ||
568 (event->x >= tile_x && game->click_x <= tile_x &&
569 event->y <= (tile_y + TILE_HEIGHT) && game->click_y >= tile_y) )
571 group.tiles[group.num_tiles] = game->deck.tiles[i];
575 printf("is run %d\n", tile_group_is_run_one(&group) );
576 printf("is set %d\n", tile_group_is_set(&group) );
577 for (i = 0; i < group.num_tiles; i++)
578 tile_print(group.tiles[i]);
581 game->current_tile = -1;
586 static gboolean on_button_motion_event (GtkWidget *widget, GdkEventMotion *event,
587 game_t *game, cairo_t *cr)
589 if (game->current_tile == -1)
591 selection_box_t *box;
592 box = &game->selection_box;
595 gtk_widget_queue_draw_area (widget, box->x - 1, box->y - 1, box->width + 1, box->height + 2);
597 box->width = event->x - box->x;
598 box->height = event->y - box->y;
600 gtk_widget_queue_draw_area (widget, box->x - 1, box->y - 1, box->width + 1, box->height + 2);
605 tile = &game->deck.tiles[game->current_tile];
607 /* First, invalidate the region where the tile currently is. */
608 gtk_widget_queue_draw_area (widget, tile->x - 1, tile->y - 1, TILE_WIDTH + 1, TILE_HEIGHT + 2);
610 /* Then, move the tile */
611 tile->x = event->x - game->diff_x;
612 tile->y = event->y - game->diff_y;
614 /* Finally, invalidate the region where the tile is now. */
615 gtk_widget_queue_draw_area (widget, tile->x - 1, tile->y - 1, TILE_WIDTH + 1, TILE_HEIGHT + 2);
620 int main(int argc, char *argv[])
627 gtk_init (&argc, &argv);
630 deck_print(&game.deck);
631 deck_spread(&game.deck);
632 deck_deal(&game, &game.deck);
633 //hand_print(&game, 0); //With Zero being passed, will print hand for player 1(players[0])
634 //deck_print(&game.deck);
636 /* Create a new window */
637 window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
638 gtk_window_set_default_size (GTK_WINDOW (window),
639 GAME_WINDOW_DEFAULT_WIDTH,
640 GAME_WINDOW_DEFAULT_HEIGHT);
642 gtk_widget_set_events (window,
645 GDK_BUTTON_MOTION_MASK |
646 GDK_BUTTON_PRESS_MASK |
647 GDK_BUTTON_RELEASE_MASK);
649 g_signal_connect (G_OBJECT (window), "delete_event",
650 G_CALLBACK (gtk_main_quit), NULL);
651 g_signal_connect (G_OBJECT (window), "expose_event",
652 G_CALLBACK (on_expose_event), &game);
653 g_signal_connect (G_OBJECT (window), "key_press_event",
654 G_CALLBACK (on_key_press_event), &game);
655 g_signal_connect (G_OBJECT (window), "button_press_event",
656 G_CALLBACK (on_button_press_event), &game);
657 g_signal_connect (G_OBJECT (window), "button_release_event",
658 G_CALLBACK (on_button_release_event), &game);
659 g_signal_connect (G_OBJECT (window), "motion_notify_event",
660 G_CALLBACK (on_button_motion_event), &game);
663 gtk_widget_show_all (window);