( ((x) - (BORDER + GUTTER + TILE_SIZE * TLBORDER(d))) / TILE_SIZE )
#define SIZE(d) (2*BORDER + GUTTER + TILE_SIZE * (TLBORDER(d) + (d)))
-#define GETTILESIZE(d, w) (w / (2 + TLBORDER(d) + (d)))
+#define GETTILESIZE(d, w) ((double)w / (2.0 + (double)TLBORDER(d) + (double)(d)))
#define TOCOORD(d, x) (BORDER + GUTTER + TILE_SIZE * (TLBORDER(d) + (x)))
return ret;
}
-static char *validate_params(game_params *params)
+static char *validate_params(game_params *params, int full)
{
if (params->w <= 0 || params->h <= 0)
return "Width and height must both be greater than zero";
return grid;
}
-struct game_aux_info {
- int w, h;
- unsigned char *grid;
-};
-
static char *new_game_desc(game_params *params, random_state *rs,
- game_aux_info **aux, int interactive)
+ char **aux, int interactive)
{
unsigned char *grid;
int i, j, max, rowlen, *rowdata;
rowdata = snewn(max, int);
/*
- * Save the solved game in an aux_info.
+ * Save the solved game in aux.
*/
{
- game_aux_info *ai = snew(game_aux_info);
+ char *ai = snewn(params->w * params->h + 2, char);
+
+ /*
+ * String format is exactly the same as a solve move, so we
+ * can just dupstr this in solve_game().
+ */
- ai->w = params->w;
- ai->h = params->h;
- ai->grid = grid;
+ ai[0] = 'S';
+
+ for (i = 0; i < params->w * params->h; i++)
+ ai[i+1] = grid[i] ? '1' : '0';
+
+ ai[params->w * params->h + 1] = '\0';
*aux = ai;
}
assert(desc[desclen-1] == '/');
desc[desclen-1] = '\0';
sfree(rowdata);
+ sfree(grid);
return desc;
}
-static void game_free_aux_info(game_aux_info *aux)
-{
- sfree(aux->grid);
- sfree(aux);
-}
-
static char *validate_desc(game_params *params, char *desc)
{
int i, n, rowspace;
}
static char *solve_game(game_state *state, game_state *currstate,
- game_aux_info *ai, char **error)
+ char *ai, char **error)
{
unsigned char *matrix;
- int matrix_needs_freeing;
- int full, empty;
int w = state->w, h = state->h;
int i;
char *ret;
+ int done_any, max;
+ unsigned char *workspace;
+ int *rowdata;
/*
- * If we already have the solved state in an aux_info, copy it
- * out.
+ * If we already have the solved state in ai, copy it out.
*/
- if (ai) {
- assert(ai->w == w && ai->h == h);
+ if (ai)
+ return dupstr(ai);
- matrix = ai->grid;
- matrix_needs_freeing = FALSE;
- full = GRID_FULL;
- empty = GRID_EMPTY;
- } else {
- int done_any, max;
- unsigned char *workspace;
- int *rowdata;
-
- matrix = snewn(w*h, unsigned char);
- max = max(w, h);
- workspace = snewn(max*3, unsigned char);
- rowdata = snewn(max+1, int);
+ matrix = snewn(w*h, unsigned char);
+ max = max(w, h);
+ workspace = snewn(max*3, unsigned char);
+ rowdata = snewn(max+1, int);
- memset(matrix, 0, w*h);
+ memset(matrix, 0, w*h);
- do {
- done_any = 0;
- for (i=0; i<h; i++) {
- memcpy(rowdata, state->rowdata + state->rowsize*(w+i),
- max*sizeof(int));
- rowdata[state->rowlen[w+i]] = 0;
- done_any |= do_row(workspace, workspace+max, workspace+2*max,
- matrix+i*w, w, 1, rowdata);
- }
- for (i=0; i<w; i++) {
- memcpy(rowdata, state->rowdata + state->rowsize*i, max*sizeof(int));
- rowdata[state->rowlen[i]] = 0;
- done_any |= do_row(workspace, workspace+max, workspace+2*max,
- matrix+i, h, w, rowdata);
- }
- } while (done_any);
-
- sfree(workspace);
- sfree(rowdata);
+ do {
+ done_any = 0;
+ for (i=0; i<h; i++) {
+ memcpy(rowdata, state->rowdata + state->rowsize*(w+i),
+ max*sizeof(int));
+ rowdata[state->rowlen[w+i]] = 0;
+ done_any |= do_row(workspace, workspace+max, workspace+2*max,
+ matrix+i*w, w, 1, rowdata);
+ }
+ for (i=0; i<w; i++) {
+ memcpy(rowdata, state->rowdata + state->rowsize*i, max*sizeof(int));
+ rowdata[state->rowlen[i]] = 0;
+ done_any |= do_row(workspace, workspace+max, workspace+2*max,
+ matrix+i, h, w, rowdata);
+ }
+ } while (done_any);
- for (i = 0; i < w*h; i++) {
- if (matrix[i] != BLOCK && matrix[i] != DOT) {
- sfree(matrix);
- *error = "Solving algorithm cannot complete this puzzle";
- return NULL;
- }
- }
+ sfree(workspace);
+ sfree(rowdata);
- matrix_needs_freeing = TRUE;
- full = BLOCK;
- empty = DOT;
+ for (i = 0; i < w*h; i++) {
+ if (matrix[i] != BLOCK && matrix[i] != DOT) {
+ sfree(matrix);
+ *error = "Solving algorithm cannot complete this puzzle";
+ return NULL;
+ }
}
ret = snewn(w*h+2, char);
ret[0] = 'S';
for (i = 0; i < w*h; i++) {
- assert(matrix[i] == full || matrix[i] == empty);
- ret[i+1] = (matrix[i] == full ? '1' : '0');
+ assert(matrix[i] == BLOCK || matrix[i] == DOT);
+ ret[i+1] = (matrix[i] == BLOCK ? '1' : '0');
}
ret[w*h+1] = '\0';
- if (matrix_needs_freeing)
- sfree(matrix);
+ sfree(matrix);
return ret;
}
sfree(ui);
}
-char *encode_ui(game_ui *ui)
+static char *encode_ui(game_ui *ui)
{
return NULL;
}
-void decode_ui(game_ui *ui, char *encoding)
+static void decode_ui(game_ui *ui, char *encoding)
{
}
if (move_needed) {
char buf[80];
sprintf(buf, "%c%d,%d,%d,%d",
- (ui->state == GRID_FULL ? 'F' :
- ui->state == GRID_EMPTY ? 'E' : 'U'),
+ (char)(ui->state == GRID_FULL ? 'F' :
+ ui->state == GRID_EMPTY ? 'E' : 'U'),
x1, y1, x2-x1+1, y2-y1+1);
return dupstr(buf);
} else
* Drawing routines.
*/
-static void game_size(game_params *params, game_drawstate *ds,
- int *x, int *y, int expand)
+static void game_compute_size(game_params *params, int tilesize,
+ int *x, int *y)
{
- int ts;
-
- ts = min(GETTILESIZE(params->w, *x), GETTILESIZE(params->h, *y));
- if (expand)
- ds->tilesize = ts;
- else
- ds->tilesize = min(ts, PREFERRED_TILE_SIZE);
+ /* Ick: fake up `ds->tilesize' for macro expansion purposes */
+ struct { int tilesize; } ads, *ds = &ads;
+ ads.tilesize = tilesize;
*x = SIZE(params->w);
*y = SIZE(params->h);
}
+static void game_set_size(game_drawstate *ds, game_params *params,
+ int tilesize)
+{
+ ds->tilesize = tilesize;
+}
+
static float *game_colours(frontend *fe, game_state *state, int *ncolours)
{
float *ret = snewn(3 * NCOLOURS, float);
return FALSE;
}
-static int game_timing_state(game_state *state)
+static int game_timing_state(game_state *state, game_ui *ui)
{
return TRUE;
}
TRUE, game_configure, custom_params,
validate_params,
new_game_desc,
- game_free_aux_info,
validate_desc,
new_game,
dup_game,
game_changed_state,
interpret_move,
execute_move,
- game_size,
+ PREFERRED_TILE_SIZE, game_compute_size, game_set_size,
game_colours,
game_new_drawstate,
game_free_drawstate,
int align, int colour, char *text) {}
void draw_rect(frontend *fe, int x, int y, int w, int h, int colour) {}
void draw_line(frontend *fe, int x1, int y1, int x2, int y2, int colour) {}
-void draw_polygon(frontend *fe, int *coords, int npoints,
- int fill, int colour) {}
void clip(frontend *fe, int x, int y, int w, int h) {}
void unclip(frontend *fe) {}
void start_draw(frontend *fe) {}
{
game_params *p;
game_state *s;
- int recurse = TRUE;
char *id = NULL, *desc, *err;
- int y, x;
- int grade = FALSE;
while (--argc > 0) {
char *p = *++argv;
if (*p == '-') {
- fprintf(stderr, "%s: unrecognised option `%s'\n", argv[0]);
+ fprintf(stderr, "%s: unrecognised option `%s'\n", argv[0], p);
return 1;
} else {
id = p;