#include "puzzles.h"
-#define TILE_SIZE 48
+#define PREFERRED_TILE_SIZE 48
+#define TILE_SIZE (ds->tilesize)
#define BORDER (TILE_SIZE / 2)
#define HIGHLIGHT_WIDTH (TILE_SIZE / 20)
#define COORD(x) ( (x) * TILE_SIZE + BORDER )
*/
oldtotal = prevmoves[y*rw+x];
newtotal = oldtotal + r;
- } while (abs(newtotal) < abs(oldtotal) || abs(newtotal) > 2);
+
+ /*
+ * Special case here for w==h==n, in which case
+ * there is actually no way to _avoid_ all moves
+ * repeating or undoing previous ones.
+ */
+ } while ((w != n || h != n) &&
+ (abs(newtotal) < abs(oldtotal) || abs(newtotal) > 2));
do_rotate(grid, w, h, n, params->orientable, x, y, r);
return 0;
}
-static game_state *solve_game(game_state *state, game_aux_info *aux,
- char **error)
+static game_state *solve_game(game_state *state, game_state *currstate,
+ game_aux_info *aux, char **error)
{
game_state *ret = dup_game(state);
int i;
{
}
+struct game_drawstate {
+ int started;
+ int w, h, bgcolour;
+ int *grid;
+ int tilesize;
+};
+
static game_state *make_move(game_state *from, game_ui *ui, game_drawstate *ds,
int x, int y, int button)
{
* Drawing routines.
*/
-struct game_drawstate {
- int started;
- int w, h, bgcolour;
- int *grid;
-};
-
-static void game_size(game_params *params, int *x, int *y)
+static void game_size(game_params *params, game_drawstate *ds,
+ int *x, int *y, int expand)
{
+ int tsx, tsy, ts;
+ /*
+ * Each window dimension equals the tile size times one more
+ * than the grid dimension (the border is half the width of the
+ * tiles).
+ */
+ tsx = *x / (params->w + 1);
+ tsy = *y / (params->h + 1);
+ ts = min(tsx, tsy);
+ if (expand)
+ ds->tilesize = ts;
+ else
+ ds->tilesize = min(ts, PREFERRED_TILE_SIZE);
+
*x = TILE_SIZE * params->w + 2 * BORDER;
*y = TILE_SIZE * params->h + 2 * BORDER;
}
ds->h = state->h;
ds->bgcolour = COL_BACKGROUND;
ds->grid = snewn(ds->w*ds->h, int);
+ ds->tilesize = 0; /* haven't decided yet */
for (i = 0; i < ds->w*ds->h; i++)
ds->grid[i] = -1;
}
}
-static void draw_tile(frontend *fe, game_state *state, int x, int y,
- int tile, int flash_colour, struct rotation *rot)
+static void draw_tile(frontend *fe, game_drawstate *ds, game_state *state,
+ int x, int y, int tile, int flash_colour,
+ struct rotation *rot)
{
int coords[8];
char str[40];
ds->grid[i] != t || ds->grid[i] == -1 || t == -1) {
int x = COORD(tx), y = COORD(ty);
- draw_tile(fe, state, x, y, state->grid[i], bgcolour, rot);
+ draw_tile(fe, ds, state, x, y, state->grid[i], bgcolour, rot);
ds->grid[i] = t;
}
}