#include <stdlib.h>
#include <string.h>
#include <assert.h>
+#include <ctype.h>
#include <math.h>
#include "puzzles.h"
-const char *const game_name = "Fifteen";
-const int game_can_configure = TRUE;
-
-#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 )
int *tiles;
int gap_pos;
int completed;
+ int just_used_solve; /* used to suppress undo animation */
+ int used_solve; /* used to suppress completion flash */
int movecount;
};
-game_params *default_params(void)
+static game_params *default_params(void)
{
game_params *ret = snew(game_params);
return ret;
}
-int game_fetch_preset(int i, char **name, game_params **params)
+static int game_fetch_preset(int i, char **name, game_params **params)
{
return FALSE;
}
-void free_params(game_params *params)
+static void free_params(game_params *params)
{
sfree(params);
}
-game_params *dup_params(game_params *params)
+static game_params *dup_params(game_params *params)
{
game_params *ret = snew(game_params);
*ret = *params; /* structure copy */
return ret;
}
-config_item *game_configure(game_params *params)
+static void decode_params(game_params *ret, char const *string)
+{
+ ret->w = ret->h = atoi(string);
+ while (*string && isdigit(*string)) string++;
+ if (*string == 'x') {
+ string++;
+ ret->h = atoi(string);
+ }
+}
+
+static char *encode_params(game_params *params, int full)
+{
+ char data[256];
+
+ sprintf(data, "%dx%d", params->w, params->h);
+
+ return dupstr(data);
+}
+
+static config_item *game_configure(game_params *params)
{
config_item *ret;
char buf[80];
return ret;
}
-game_params *custom_params(config_item *cfg)
+static game_params *custom_params(config_item *cfg)
{
game_params *ret = snew(game_params);
return ret;
}
-char *validate_params(game_params *params)
+static char *validate_params(game_params *params)
{
- if (params->w < 2 && params->h < 2)
+ if (params->w < 2 || params->h < 2)
return "Width and height must both be at least two";
return NULL;
}
-int perm_parity(int *perm, int n)
+static int perm_parity(int *perm, int n)
{
int i, j, ret;
return ret;
}
-char *new_game_seed(game_params *params, random_state *rs)
+static char *new_game_desc(game_params *params, random_state *rs,
+ game_aux_info **aux, int interactive)
{
int gap, n, i, x;
int x1, x2, p1, p2, parity;
}
/*
- * Now construct the game seed, by describing the tile array as
- * a simple sequence of comma-separated integers.
+ * Now construct the game description, by describing the tile
+ * array as a simple sequence of comma-separated integers.
*/
ret = NULL;
retlen = 0;
return ret;
}
-char *validate_seed(game_params *params, char *seed)
+static void game_free_aux_info(game_aux_info *aux)
+{
+ assert(!"Shouldn't happen");
+}
+
+static char *validate_desc(game_params *params, char *desc)
{
char *p, *err;
int i, area;
int *used;
area = params->w * params->h;
- p = seed;
+ p = desc;
err = NULL;
used = snewn(area, int);
return err;
}
-game_state *new_game(game_params *params, char *seed)
+static game_state *new_game(midend_data *me, game_params *params, char *desc)
{
game_state *state = snew(game_state);
int i;
state->tiles = snewn(state->n, int);
state->gap_pos = 0;
- p = seed;
+ p = desc;
i = 0;
for (i = 0; i < state->n; i++) {
assert(*p);
assert(state->tiles[state->gap_pos] == 0);
state->completed = state->movecount = 0;
+ state->used_solve = state->just_used_solve = FALSE;
return state;
}
-game_state *dup_game(game_state *state)
+static game_state *dup_game(game_state *state)
{
game_state *ret = snew(game_state);
ret->gap_pos = state->gap_pos;
ret->completed = state->completed;
ret->movecount = state->movecount;
+ ret->used_solve = state->used_solve;
+ ret->just_used_solve = state->just_used_solve;
return ret;
}
-void free_game(game_state *state)
+static void free_game(game_state *state)
{
+ sfree(state->tiles);
sfree(state);
}
-game_state *make_move(game_state *from, int x, int y, int button)
+static char *solve_game(game_state *state, game_state *currstate,
+ game_aux_info *aux, char **error)
{
- int gx, gy, dx, dy, ux, uy, up, p;
- game_state *ret;
+ return dupstr("S");
+}
- gx = X(from, from->gap_pos);
- gy = Y(from, from->gap_pos);
+static char *game_text_format(game_state *state)
+{
+ char *ret, *p, buf[80];
+ int x, y, col, maxlen;
+
+ /*
+ * First work out how many characters we need to display each
+ * number.
+ */
+ col = sprintf(buf, "%d", state->n-1);
+
+ /*
+ * Now we know the exact total size of the grid we're going to
+ * produce: it's got h rows, each containing w lots of col, w-1
+ * spaces and a trailing newline.
+ */
+ maxlen = state->h * state->w * (col+1);
+
+ ret = snewn(maxlen+1, char);
+ p = ret;
+
+ for (y = 0; y < state->h; y++) {
+ for (x = 0; x < state->w; x++) {
+ int v = state->tiles[state->w*y+x];
+ if (v == 0)
+ sprintf(buf, "%*s", col, "");
+ else
+ sprintf(buf, "%*d", col, v);
+ memcpy(p, buf, col);
+ p += col;
+ if (x+1 == state->w)
+ *p++ = '\n';
+ else
+ *p++ = ' ';
+ }
+ }
+
+ assert(p - ret == maxlen);
+ *p = '\0';
+ return ret;
+}
+
+static game_ui *new_ui(game_state *state)
+{
+ return NULL;
+}
+
+static void free_ui(game_ui *ui)
+{
+}
+
+char *encode_ui(game_ui *ui)
+{
+ return NULL;
+}
+
+void decode_ui(game_ui *ui, char *encoding)
+{
+}
+
+static void game_changed_state(game_ui *ui, game_state *oldstate,
+ game_state *newstate)
+{
+}
+
+struct game_drawstate {
+ int started;
+ int w, h, bgcolour;
+ int *tiles;
+ int tilesize;
+};
+
+static char *interpret_move(game_state *state, game_ui *ui, game_drawstate *ds,
+ int x, int y, int button)
+{
+ int gx, gy, dx, dy;
+ char buf[80];
+
+ button &= ~MOD_MASK;
+
+ gx = X(state, state->gap_pos);
+ gy = Y(state, state->gap_pos);
if (button == CURSOR_RIGHT && gx > 0)
dx = gx - 1, dy = gy;
- else if (button == CURSOR_LEFT && gx < from->w-1)
+ else if (button == CURSOR_LEFT && gx < state->w-1)
dx = gx + 1, dy = gy;
else if (button == CURSOR_DOWN && gy > 0)
dy = gy - 1, dx = gx;
- else if (button == CURSOR_UP && gy < from->h-1)
+ else if (button == CURSOR_UP && gy < state->h-1)
dy = gy + 1, dx = gx;
else if (button == LEFT_BUTTON) {
dx = FROMCOORD(x);
dy = FROMCOORD(y);
- if (dx < 0 || dx >= from->w || dy < 0 || dy >= from->h)
+ if (dx < 0 || dx >= state->w || dy < 0 || dy >= state->h)
return NULL; /* out of bounds */
/*
* Any click location should be equal to the gap location
} else
return NULL; /* no move */
+ sprintf(buf, "M%d,%d", dx, dy);
+ return dupstr(buf);
+}
+
+static game_state *execute_move(game_state *from, char *move)
+{
+ int gx, gy, dx, dy, ux, uy, up, p;
+ game_state *ret;
+
+ if (!strcmp(move, "S")) {
+ int i;
+
+ ret = dup_game(from);
+
+ /*
+ * Simply replace the grid with a solved one. For this game,
+ * this isn't a useful operation for actually telling the user
+ * what they should have done, but it is useful for
+ * conveniently being able to get hold of a clean state from
+ * which to practise manoeuvres.
+ */
+ for (i = 0; i < ret->n; i++)
+ ret->tiles[i] = (i+1) % ret->n;
+ ret->gap_pos = ret->n-1;
+ ret->used_solve = ret->just_used_solve = TRUE;
+ ret->completed = ret->movecount = 1;
+
+ return ret;
+ }
+
+ gx = X(from, from->gap_pos);
+ gy = Y(from, from->gap_pos);
+
+ if (move[0] != 'M' ||
+ sscanf(move+1, "%d,%d", &dx, &dy) != 2 ||
+ (dx == gx && dy == gy) || (dx != gx && dy != gy) ||
+ dx < 0 || dx >= from->w || dy < 0 || dy >= from->h)
+ return NULL;
+
/*
* Find the unit displacement from the original gap
* position towards this one.
up = C(from, ux, uy);
ret = dup_game(from);
+ ret->just_used_solve = FALSE; /* zero this in a hurry */
ret->gap_pos = C(from, dx, dy);
assert(ret->gap_pos >= 0 && ret->gap_pos < ret->n);
* Drawing routines.
*/
-struct game_drawstate {
- int started;
- int w, h, bgcolour;
- int *tiles;
-};
-
-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;
}
-float *game_colours(frontend *fe, game_state *state, int *ncolours)
+static float *game_colours(frontend *fe, game_state *state, int *ncolours)
{
float *ret = snewn(3 * NCOLOURS, float);
int i;
return ret;
}
-game_drawstate *game_new_drawstate(game_state *state)
+static game_drawstate *game_new_drawstate(game_state *state)
{
struct game_drawstate *ds = snew(struct game_drawstate);
int i;
ds->h = state->h;
ds->bgcolour = COL_BACKGROUND;
ds->tiles = snewn(ds->w*ds->h, int);
+ ds->tilesize = 0; /* haven't decided yet */
for (i = 0; i < ds->w*ds->h; i++)
ds->tiles[i] = -1;
return ds;
}
-void game_free_drawstate(game_drawstate *ds)
+static void game_free_drawstate(game_drawstate *ds)
{
sfree(ds->tiles);
sfree(ds);
}
-static void draw_tile(frontend *fe, game_state *state, int x, int y,
- int tile, int flash_colour)
+static void draw_tile(frontend *fe, game_drawstate *ds, game_state *state,
+ int x, int y, int tile, int flash_colour)
{
if (tile == 0) {
draw_rect(fe, x, y, TILE_SIZE, TILE_SIZE,
draw_update(fe, x, y, TILE_SIZE, TILE_SIZE);
}
-void game_redraw(frontend *fe, game_drawstate *ds, game_state *oldstate,
- game_state *state, float animtime, float flashtime)
+static void game_redraw(frontend *fe, game_drawstate *ds, game_state *oldstate,
+ game_state *state, int dir, game_ui *ui,
+ float animtime, float flashtime)
{
int i, pass, bgcolour;
bgcolour = COL_BACKGROUND;
if (!ds->started) {
- int coords[6];
+ int coords[10];
draw_rect(fe, 0, 0,
TILE_SIZE * state->w + 2 * BORDER,
coords[1] = COORD(state->h) + HIGHLIGHT_WIDTH - 1;
coords[2] = COORD(state->w) + HIGHLIGHT_WIDTH - 1;
coords[3] = COORD(0) - HIGHLIGHT_WIDTH;
- coords[4] = COORD(0) - HIGHLIGHT_WIDTH;
- coords[5] = COORD(state->h) + HIGHLIGHT_WIDTH - 1;
- draw_polygon(fe, coords, 3, TRUE, COL_HIGHLIGHT);
- draw_polygon(fe, coords, 3, FALSE, COL_HIGHLIGHT);
+ coords[4] = coords[2] - TILE_SIZE;
+ coords[5] = coords[3] + TILE_SIZE;
+ coords[8] = COORD(0) - HIGHLIGHT_WIDTH;
+ coords[9] = COORD(state->h) + HIGHLIGHT_WIDTH - 1;
+ coords[6] = coords[8] + TILE_SIZE;
+ coords[7] = coords[9] - TILE_SIZE;
+ draw_polygon(fe, coords, 5, TRUE, COL_HIGHLIGHT);
+ draw_polygon(fe, coords, 5, FALSE, COL_HIGHLIGHT);
coords[1] = COORD(0) - HIGHLIGHT_WIDTH;
coords[0] = COORD(0) - HIGHLIGHT_WIDTH;
- draw_polygon(fe, coords, 3, TRUE, COL_LOWLIGHT);
- draw_polygon(fe, coords, 3, FALSE, COL_LOWLIGHT);
+ draw_polygon(fe, coords, 5, TRUE, COL_LOWLIGHT);
+ draw_polygon(fe, coords, 5, FALSE, COL_LOWLIGHT);
ds->started = TRUE;
}
y = COORD(Y(state, i));
}
- draw_tile(fe, state, x, y, t, bgcolour);
+ draw_tile(fe, ds, state, x, y, t, bgcolour);
}
ds->tiles[i] = t0;
}
if (oldstate)
state = oldstate;
- sprintf(statusbuf, "%sMoves: %d",
- (state->completed ? "COMPLETED! " : ""),
- (state->completed ? state->completed : state->movecount));
+ if (state->used_solve)
+ sprintf(statusbuf, "Moves since auto-solve: %d",
+ state->movecount - state->completed);
+ else
+ sprintf(statusbuf, "%sMoves: %d",
+ (state->completed ? "COMPLETED! " : ""),
+ (state->completed ? state->completed : state->movecount));
status_bar(fe, statusbuf);
}
}
-float game_anim_length(game_state *oldstate, game_state *newstate)
+static float game_anim_length(game_state *oldstate,
+ game_state *newstate, int dir, game_ui *ui)
{
- return ANIM_TIME;
+ if ((dir > 0 && newstate->just_used_solve) ||
+ (dir < 0 && oldstate->just_used_solve))
+ return 0.0F;
+ else
+ return ANIM_TIME;
}
-float game_flash_length(game_state *oldstate, game_state *newstate)
+static float game_flash_length(game_state *oldstate,
+ game_state *newstate, int dir, game_ui *ui)
{
- if (!oldstate->completed && newstate->completed)
+ if (!oldstate->completed && newstate->completed &&
+ !oldstate->used_solve && !newstate->used_solve)
return 2 * FLASH_FRAME;
else
return 0.0F;
}
-int game_wants_statusbar(void)
+static int game_wants_statusbar(void)
{
return TRUE;
}
+
+static int game_timing_state(game_state *state)
+{
+ return TRUE;
+}
+
+#ifdef COMBINED
+#define thegame fifteen
+#endif
+
+const struct game thegame = {
+ "Fifteen", "games.fifteen",
+ default_params,
+ game_fetch_preset,
+ decode_params,
+ encode_params,
+ free_params,
+ dup_params,
+ TRUE, game_configure, custom_params,
+ validate_params,
+ new_game_desc,
+ game_free_aux_info,
+ validate_desc,
+ new_game,
+ dup_game,
+ free_game,
+ TRUE, solve_game,
+ TRUE, game_text_format,
+ new_ui,
+ free_ui,
+ encode_ui,
+ decode_ui,
+ game_changed_state,
+ interpret_move,
+ execute_move,
+ game_size,
+ game_colours,
+ game_new_drawstate,
+ game_free_drawstate,
+ game_redraw,
+ game_anim_length,
+ game_flash_length,
+ game_wants_statusbar,
+ FALSE, game_timing_state,
+ 0, /* mouse_priorities */
+};
~mdw / sgt / puzzles / blobdiff