bag_t bag;
dict_t dict;
dict_t solution;
+ int solution_total;
GooCanvasItem *solution_item;
gboolean done;
} rack_t;
*y += (LETTER_SIZE + LETTER_PAD);
}
+typedef enum dict_paint_cursor_show
+{
+ DICT_PAINT_CURSOR_SHOW_FOUND,
+ DICT_PAINT_CURSOR_SHOW_UNFOUND_BLANKS,
+ DICT_PAINT_CURSOR_SHOW_ALL
+} dict_paint_cursor_show_t;
+
typedef struct _dict_paint_cursor
{
cairo_t *cr;
int y;
int max_column_width;
int max_y;
- gboolean show_all;
+ dict_paint_cursor_show_t show;
} dict_paint_cursor_t;
static void
dict_paint_cursor_t *cursor = closure;
cairo_t *cr = cursor->cr;
double new_x, new_y;
+ int found, show_blanks = FALSE;
if (strlen (word) < 3)
return;
- cairo_move_to (cr, cursor->x, cursor->y);
- if (*entry & RACK_DICT_ENTRY_FOUND || cursor->show_all) {
- if (*entry & RACK_DICT_ENTRY_FOUND)
- cairo_set_source_rgb (cr, 0, 0, 0); /* black */
- else
+ found = *entry & RACK_DICT_ENTRY_FOUND;
+
+ cairo_set_source_rgb (cr, 0, 0, 0); /* black */
+
+ switch (cursor->show) {
+ case DICT_PAINT_CURSOR_SHOW_FOUND:
+ if (! found)
+ return;
+ break;
+ case DICT_PAINT_CURSOR_SHOW_UNFOUND_BLANKS:
+ if (found)
+ return;
+ show_blanks = TRUE;
+ break;
+ case DICT_PAINT_CURSOR_SHOW_ALL:
+ if (! found)
cairo_set_source_rgb (cr, 1, 0, 0); /* red */
- cairo_show_text (cr, word);
- } else {
+ break;
+ }
+
+ cairo_move_to (cr, cursor->x, cursor->y);
+ if (show_blanks) {
int i, length = strlen (word);
for (i = 0; i < length; i++)
cairo_show_text (cr, "_");
+ } else {
+ cairo_show_text (cr, word);
}
cairo_get_current_point (cr, &new_x, &new_y);
if (new_x > cursor->max_column_width)
{
rack_t *rack = closure;
dict_paint_cursor_t cursor;
+ int length, count;
cairo_save (cr);
cairo_set_source_rgb (cr, 0.0, 0.0, 0.0); /* black */
cursor.max_column_width = 0;
cursor.max_y = height;
- cursor.show_all = rack->done;
-
- dict_for_each_by_length (&rack->solution,
- dict_paint_action,
- &cursor);
+ length = 1;
+ count = 0;
+ do {
+ if (rack->done)
+ cursor.show = DICT_PAINT_CURSOR_SHOW_ALL;
+ else
+ cursor.show = DICT_PAINT_CURSOR_SHOW_FOUND;
+ count += dict_for_each_of_length (&rack->solution,
+ dict_paint_action, &cursor,
+ length, length);
+ if (! rack->done) {
+ cursor.show = DICT_PAINT_CURSOR_SHOW_UNFOUND_BLANKS;
+ dict_for_each_of_length (&rack->solution,
+ dict_paint_action, &cursor,
+ length, length);
+ }
+ length++;
+ } while (count < rack->solution_total);
cairo_restore (cr);
}
dict_add_words_from_file (&rack->dict, "words.txt");
dict_init (&rack->solution);
+ rack->solution_total = 0;
for (i = 0; i < MAX_TILES; i++)
rack->tiles[i] = tile_create (root, 'A', i);
static void
rack_new_game (rack_t *rack)
{
- int i;
- char *draw;
- char word[8];
-
- /* Clean up any remnants from the last game */
- dict_fini (&rack->solution);
-
- bag_shuffle (&rack->bag);
+ int i, bottom;
+ char word[MAX_TILES + 1];
+ int length = MAX_TILES;
+ int count;
+
+ /* We'll shuffle as many times as necessary until we can find a
+ * sequence of <length> letters with at least one full-length
+ * word. */
+ while (1) {
+ bag_shuffle (&rack->bag);
+
+ /* In this game, we're not interested in blank tiles, so first
+ * find any blanks and sort them to the bottom of the bag. */
+ i = 0;
+ bottom = BAG_SIZE - 1;
+ for (i = 0; i < bottom; i++) {
+ if (rack->bag.tiles[i] == '?') {
+ rack->bag.tiles[i] = rack->bag.tiles[bottom];
+ rack->bag.tiles[bottom] = '?';
+ bottom--;
+ /* Re-examine ith element */
+ i--;
+ }
+ }
- /* Keep drawing until we get 7 non-blank tiles */
- i = 0;
- draw = rack->bag.tiles;
- while (i < 7) {
- if (*draw != '?')
- word[i++] = *draw;
- draw++;
+ for (i = 0; i + length <= bottom + 1; i++) {
+ memcpy (word, &rack->bag.tiles[i], length);
+ word[length] = '\0';
+ printf ("Candidate word %s\n", word);
+ dict_fini (&rack->solution);
+ dict_init (&rack->solution);
+ subanagram_expand (word, &rack->dict, &rack->solution);
+ count = dict_for_each_of_length (&rack->solution,
+ NULL, NULL,
+ length, length);
+ if (count)
+ goto DONE;
+ i++;
+ }
}
- word[7] = '\0';
- for (i = 0; i < 7; i++) {
+ DONE:
+ rack->solution_total = dict_count (&rack->solution);
+ goo_canvas_item_simple_changed (GOO_CANVAS_ITEM_SIMPLE (rack->solution_item), FALSE);
+
+ for (i = 0; i < length; i++) {
rack->tiles[i]->letter = toupper (word[i]);
goo_canvas_item_simple_changed (GOO_CANVAS_ITEM_SIMPLE (rack->tiles[i]->item), FALSE);
}
- rack->num_tiles = 7;
-
- dict_init (&rack->solution);
- subanagram_expand (word, &rack->dict, &rack->solution);
- goo_canvas_item_simple_changed (GOO_CANVAS_ITEM_SIMPLE (rack->solution_item), FALSE);
+ rack->num_tiles = length;
}
static gboolean