#define TILE_JOINDOWN 0x0400 /* used in drawstate */
#define TILE_JOINDIAG 0x0800 /* used in drawstate */
#define TILE_HASSEL 0x1000 /* used in drawstate */
+#define TILE_IMPOSSIBLE 0x2000 /* used in drawstate */
#define TILE(gs,x,y) ((gs)->tiles[(gs)->params.w*(y)+(x)])
#define COL(gs,x,y) (TILE(gs,x,y) & TILE_COLMASK)
*/
static char *new_game_desc(game_params *params, random_state *rs,
- game_aux_info **aux, int interactive)
+ char **aux, int interactive)
{
char *ret;
int n, i, j, c, retlen, *tiles;
return ret;
}
-static void game_free_aux_info(game_aux_info *aux)
-{
- assert(!"Shouldn't happen");
-}
-
static char *validate_desc(game_params *params, char *desc)
{
int area = params->w * params->h, i;
sfree(state);
}
-static game_state *solve_game(game_state *state, game_aux_info *aux,
- char **error)
+static char *solve_game(game_state *state, game_state *currstate,
+ char *aux, char **error)
{
return NULL;
}
sfree(ui);
}
+static char *encode_ui(game_ui *ui)
+{
+ return NULL;
+}
+
+static void decode_ui(game_ui *ui, char *encoding)
+{
+}
+
static void sel_clear(game_ui *ui, game_state *state)
{
int i;
sel_clear(ui, newstate);
}
-static void sel_remove(game_ui *ui, game_state *state)
+static char *sel_movedesc(game_ui *ui, game_state *state)
{
- int i, nremoved = 0;
+ int i;
+ char *ret, *sep, buf[80];
+ int retlen, retsize;
- state->score += npoints(&state->params, ui->nselected);
+ retsize = 256;
+ ret = snewn(retsize, char);
+ retlen = 0;
+ ret[retlen++] = 'M';
+ sep = "";
for (i = 0; i < state->n; i++) {
if (ui->tiles[i] & TILE_SELECTED) {
- nremoved++;
- state->tiles[i] = 0;
+ sprintf(buf, "%s%d", sep, i);
+ sep = ",";
+ if (retlen + strlen(buf) >= retsize) {
+ retsize = retlen + strlen(buf) + 256;
+ ret = sresize(ret, retsize, char);
+ }
+ strcpy(ret + retlen, buf);
+ retlen += strlen(buf);
+
ui->tiles[i] &= ~TILE_SELECTED;
}
}
ui->nselected = 0;
+
+ assert(retlen < retsize);
+ ret[retlen++] = '\0';
+ return sresize(ret, retlen, char);
}
static void sel_expand(game_ui *ui, game_state *state, int tx, int ty)
int *tiles; /* contains colour and SELECTED. */
};
-static game_state *make_move(game_state *from, game_ui *ui, game_drawstate *ds,
- int x, int y, int button)
+static game_state *execute_move(game_state *from, char *move);
+
+static char *interpret_move(game_state *state, game_ui *ui, game_drawstate *ds,
+ int x, int y, int button)
{
int tx, ty;
- game_state *ret = from;
+ char *ret = "";
ui->displaysel = 0;
ui->displaysel = 1;
dx = (button == CURSOR_LEFT) ? -1 : ((button == CURSOR_RIGHT) ? +1 : 0);
dy = (button == CURSOR_DOWN) ? +1 : ((button == CURSOR_UP) ? -1 : 0);
- ui->xsel = (ui->xsel + from->params.w + dx) % from->params.w;
- ui->ysel = (ui->ysel + from->params.h + dy) % from->params.h;
+ ui->xsel = (ui->xsel + state->params.w + dx) % state->params.w;
+ ui->ysel = (ui->ysel + state->params.h + dy) % state->params.h;
return ret;
} else if (button == CURSOR_SELECT || button == ' ' || button == '\r' ||
button == '\n') {
} else
return NULL;
- if (tx < 0 || tx >= from->params.w || ty < 0 || ty >= from->params.h)
+ if (tx < 0 || tx >= state->params.w || ty < 0 || ty >= state->params.h)
return NULL;
- if (COL(from, tx, ty) == 0) return NULL;
+ if (COL(state, tx, ty) == 0) return NULL;
if (ISSEL(ui,tx,ty)) {
if (button == RIGHT_BUTTON)
- sel_clear(ui, from);
+ sel_clear(ui, state);
else {
- /* this is the actual move. */
- ret = dup_game(from);
- sel_remove(ui, ret);
- sg_snuggle(ret); /* shifts blanks down and to the left */
- sg_check(ret); /* checks for completeness or impossibility */
+ game_state *tmp;
+
+ ret = sel_movedesc(ui, state);
+
+ /*
+ * Unfortunately, we must check for completeness or
+ * impossibility now, in order to update the game_ui;
+ * and we can't do that without constructing the new
+ * grid. Sigh.
+ */
+ tmp = execute_move(state, ret);
+ if (tmp->complete || tmp->impossible)
+ ui->displaysel = 0;
+ free_game(tmp);
}
} else {
- sel_clear(ui, from); /* might be no-op */
- sel_expand(ui, from, tx, ty);
+ sel_clear(ui, state); /* might be no-op */
+ sel_expand(ui, state, tx, ty);
}
- if (ret->complete || ret->impossible)
- ui->displaysel = 0;
return ret;
}
+static game_state *execute_move(game_state *from, char *move)
+{
+ int i, n;
+ game_state *ret;
+
+ if (move[0] == 'M') {
+ ret = dup_game(from);
+
+ n = 0;
+ move++;
+
+ while (*move) {
+ i = atoi(move);
+ if (i < 0 || i >= ret->n) {
+ free_game(ret);
+ return NULL;
+ }
+ n++;
+ ret->tiles[i] = 0;
+
+ while (*move && isdigit((unsigned char)*move)) move++;
+ if (*move == ',') move++;
+ }
+
+ ret->score += npoints(&ret->params, n);
+
+ sg_snuggle(ret); /* shifts blanks down and to the left */
+ sg_check(ret); /* checks for completeness or impossibility */
+
+ return ret;
+ } else
+ return NULL; /* couldn't parse move string */
+}
+
/* ----------------------------------------------------------------------
* Drawing routines.
*/
ret[COL_3 * 3 + 1] = 0.0F;
ret[COL_3 * 3 + 2] = 0.0F;
- ret[COL_4 * 3 + 0] = 0.5F;
- ret[COL_4 * 3 + 1] = 0.5F;
- ret[COL_4 * 3 + 2] = 1.0F;
+ ret[COL_4 * 3 + 0] = 1.0F;
+ ret[COL_4 * 3 + 1] = 1.0F;
+ ret[COL_4 * 3 + 2] = 0.0F;
- ret[COL_5 * 3 + 0] = 0.5F;
- ret[COL_5 * 3 + 1] = 1.0F;
- ret[COL_5 * 3 + 2] = 0.5F;
+ ret[COL_5 * 3 + 0] = 1.0F;
+ ret[COL_5 * 3 + 1] = 0.0F;
+ ret[COL_5 * 3 + 2] = 1.0F;
- ret[COL_6 * 3 + 0] = 1.0F;
- ret[COL_6 * 3 + 1] = 0.5F;
- ret[COL_6 * 3 + 2] = 0.5F;
+ ret[COL_6 * 3 + 0] = 0.0F;
+ ret[COL_6 * 3 + 1] = 1.0F;
+ ret[COL_6 * 3 + 2] = 1.0F;
- ret[COL_7 * 3 + 0] = 1.0F;
- ret[COL_7 * 3 + 1] = 1.0F;
- ret[COL_7 * 3 + 2] = 0.0F;
+ ret[COL_7 * 3 + 0] = 0.5F;
+ ret[COL_7 * 3 + 1] = 0.5F;
+ ret[COL_7 * 3 + 2] = 1.0F;
- ret[COL_8 * 3 + 0] = 1.0F;
- ret[COL_8 * 3 + 1] = 0.0F;
- ret[COL_8 * 3 + 2] = 1.0F;
+ ret[COL_8 * 3 + 0] = 0.5F;
+ ret[COL_8 * 3 + 1] = 1.0F;
+ ret[COL_8 * 3 + 2] = 0.5F;
- ret[COL_9 * 3 + 0] = 0.0F;
- ret[COL_9 * 3 + 1] = 1.0F;
- ret[COL_9 * 3 + 2] = 1.0F;
+ ret[COL_9 * 3 + 0] = 1.0F;
+ ret[COL_9 * 3 + 1] = 0.5F;
+ ret[COL_9 * 3 + 2] = 0.5F;
ret[COL_IMPOSSIBLE * 3 + 0] = 0.0F;
ret[COL_IMPOSSIBLE * 3 + 1] = 0.0F;
static void tile_redraw(frontend *fe, game_drawstate *ds,
int x, int y, int dright, int dbelow,
- int tile, game_state *state, int bgcolour)
+ int tile, int bgcolour)
{
int outer = bgcolour, inner = outer, col = tile & TILE_COLMASK;
if (col) {
- if (state->impossible) {
+ if (tile & TILE_IMPOSSIBLE) {
outer = col;
inner = COL_IMPOSSIBLE;
} else if (tile & TILE_SELECTED) {
int dbelow = (y+1 < state->params.h);
tile |= ISSEL(ui,x,y);
+ if (state->impossible)
+ tile |= TILE_IMPOSSIBLE;
if (dright && COL(state,x+1,y) == col)
tile |= TILE_JOINRIGHT;
if (dbelow && COL(state,x,y+1) == col)
(flashtime > 0.0) ||
(ds->bgcolour != bgcolour) ||
(tile != ds->tiles[i])) {
- tile_redraw(fe, ds, x, y, dright, dbelow,
- tile, state, bgcolour);
+ tile_redraw(fe, ds, x, y, dright, dbelow, tile, bgcolour);
ds->tiles[i] = tile;
}
}
TRUE, game_configure, custom_params,
validate_params,
new_game_desc,
- game_free_aux_info,
validate_desc,
new_game,
dup_game,
TRUE, game_text_format,
new_ui,
free_ui,
+ encode_ui,
+ decode_ui,
game_changed_state,
- make_move,
+ interpret_move,
+ execute_move,
game_size,
game_colours,
game_new_drawstate,
~mdw / sgt / puzzles / blobdiff