#define max(x,y) ( (x)>(y) ? (x):(y) )
#define min(x,y) ( (x)<(y) ? (x):(y) )
-const char *const game_name = "Pattern";
-const char *const game_winhelp_topic = "games.pattern";
-const int game_can_configure = TRUE;
-
enum {
COL_BACKGROUND,
COL_EMPTY,
#define FLASH_TIME 0.13F
-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)
{
game_params *ret;
char str[80];
return TRUE;
}
-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;
}
-game_params *decode_params(char const *string)
+static game_params *decode_params(char const *string)
{
game_params *ret = default_params();
char const *p = string;
return ret;
}
-char *encode_params(game_params *params)
+static char *encode_params(game_params *params)
{
char ret[400];
int len;
return dupstr(ret);
}
-config_item *game_configure(game_params *params)
+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 <= 0 && params->h <= 0)
return "Width and height must both be greater than zero";
for (q = -1; q <= +1; q++) {
if (i+p < 0 || i+p >= h || j+q < 0 || j+q >= w)
continue;
+ /*
+ * An additional special case not mentioned
+ * above: if a grid dimension is 2xn then
+ * we do not average across that dimension
+ * at all. Otherwise a 2x2 grid would
+ * contain four identical squares.
+ */
+ if ((h==2 && p!=0) || (w==2 && q!=0))
+ continue;
n++;
sx += fgrid[(i+p)*w+(j+q)];
}
for (i = 0; i < h; i++) {
for (j = 0; j < w; j++) {
- retgrid[i*w+j] = (fgrid[i*w+j] > threshold ? GRID_FULL :
+ retgrid[i*w+j] = (fgrid[i*w+j] >= threshold ? GRID_FULL :
GRID_EMPTY);
}
}
sfree(fgrid);
}
-int compute_rowdata(int *ret, unsigned char *start, int len, int step)
+static int compute_rowdata(int *ret, unsigned char *start, int len, int step)
{
int i, n;
n = 0;
for (i = 0; i < len; i++) {
- if (start[i*step] == GRID_UNKNOWN)
- return -1;
-
if (start[i*step] == GRID_FULL) {
int runlen = 1;
- while (i+runlen < len && start[(i+runlen)*step])
+ while (i+runlen < len && start[(i+runlen)*step] == GRID_FULL)
runlen++;
ret[n++] = runlen;
i += runlen;
}
+
+ if (i < len && start[i*step] == GRID_UNKNOWN)
+ return -1;
}
return n;
generate(rs, w, h, grid);
+ /*
+ * The game is a bit too easy if any row or column is
+ * completely black or completely white. An exception is
+ * made for rows/columns that are under 3 squares,
+ * otherwise nothing will ever be successfully generated.
+ */
+ ok = TRUE;
+ if (w > 2) {
+ for (i = 0; i < h; i++) {
+ int colours = 0;
+ for (j = 0; j < w; j++)
+ colours |= (grid[i*w+j] == GRID_FULL ? 2 : 1);
+ if (colours != 3)
+ ok = FALSE;
+ }
+ }
+ if (h > 2) {
+ for (j = 0; j < w; j++) {
+ int colours = 0;
+ for (i = 0; i < h; i++)
+ colours |= (grid[i*w+j] == GRID_FULL ? 2 : 1);
+ if (colours != 3)
+ ok = FALSE;
+ }
+ }
+ if (!ok)
+ continue;
+
memset(matrix, 0, w*h);
do {
return grid;
}
-char *new_game_seed(game_params *params, random_state *rs)
+static char *new_game_seed(game_params *params, random_state *rs)
{
unsigned char *grid;
int i, j, max, rowlen, *rowdata;
return seed;
}
-char *validate_seed(game_params *params, char *seed)
+static char *validate_seed(game_params *params, char *seed)
{
int i, n, rowspace;
char *p;
return NULL;
}
-game_state *new_game(game_params *params, char *seed)
+static game_state *new_game(game_params *params, char *seed)
{
int i;
char *p;
return state;
}
-game_state *dup_game(game_state *state)
+static game_state *dup_game(game_state *state)
{
game_state *ret = snew(game_state);
return ret;
}
-void free_game(game_state *state)
+static void free_game(game_state *state)
{
sfree(state->rowdata);
sfree(state->rowlen);
int drag, release, state;
};
-game_ui *new_ui(game_state *state)
+static game_ui *new_ui(game_state *state)
{
game_ui *ret;
return ret;
}
-void free_ui(game_ui *ui)
+static void free_ui(game_ui *ui)
{
sfree(ui);
}
-game_state *make_move(game_state *from, game_ui *ui, int x, int y, int button)
+static game_state *make_move(game_state *from, game_ui *ui,
+ int x, int y, int button)
{
game_state *ret;
unsigned char *visible;
};
-void game_size(game_params *params, int *x, int *y)
+static void game_size(game_params *params, int *x, int *y)
{
*x = SIZE(params->w);
*y = SIZE(params->h);
}
-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);
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);
return ds;
}
-void game_free_drawstate(game_drawstate *ds)
+static void game_free_drawstate(game_drawstate *ds)
{
sfree(ds->visible);
sfree(ds);
TILE_SIZE, TILE_SIZE);
}
-void game_redraw(frontend *fe, game_drawstate *ds, game_state *oldstate,
+static void game_redraw(frontend *fe, game_drawstate *ds, game_state *oldstate,
game_state *state, int dir, game_ui *ui,
float animtime, float flashtime)
{
* Draw the grid outline.
*/
draw_rect(fe, TOCOORD(ds->w, 0) - 1, TOCOORD(ds->h, 0) - 1,
- ds->w * TILE_SIZE + 2, ds->h * TILE_SIZE + 2,
+ ds->w * TILE_SIZE + 3, ds->h * TILE_SIZE + 3,
COL_GRID);
ds->started = TRUE;
}
}
-float game_anim_length(game_state *oldstate, game_state *newstate, int dir)
+static float game_anim_length(game_state *oldstate,
+ game_state *newstate, int dir)
{
return 0.0F;
}
-float game_flash_length(game_state *oldstate, game_state *newstate, int dir)
+static float game_flash_length(game_state *oldstate,
+ game_state *newstate, int dir)
{
if (!oldstate->completed && newstate->completed)
return FLASH_TIME;
return 0.0F;
}
-int game_wants_statusbar(void)
+static int game_wants_statusbar(void)
{
return FALSE;
}
+
+#ifdef COMBINED
+#define thegame pattern
+#endif
+
+const struct game thegame = {
+ "Pattern", "games.pattern", TRUE,
+ default_params,
+ game_fetch_preset,
+ decode_params,
+ encode_params,
+ free_params,
+ dup_params,
+ game_configure,
+ custom_params,
+ validate_params,
+ new_game_seed,
+ validate_seed,
+ new_game,
+ dup_game,
+ free_game,
+ new_ui,
+ free_ui,
+ make_move,
+ game_size,
+ game_colours,
+ game_new_drawstate,
+ game_free_drawstate,
+ game_redraw,
+ game_anim_length,
+ game_flash_length,
+ game_wants_statusbar,
+};
~mdw / sgt / puzzles / blobdiff