sfree(params);
}
-static game_params *dup_params(game_params *params)
+static game_params *dup_params(const game_params *params)
{
game_params *ret = snew(game_params);
*ret = *params; /* structure copy */
}
}
-static char *encode_params(game_params *params, int full)
+static char *encode_params(const game_params *params, int full)
{
char ret[80];
return dupstr(ret);
}
-static config_item *game_configure(game_params *params)
+static config_item *game_configure(const game_params *params)
{
config_item *ret;
char buf[80];
return ret;
}
-static game_params *custom_params(config_item *cfg)
+static game_params *custom_params(const config_item *cfg)
{
game_params *ret = snew(game_params);
return ret;
}
-static char *validate_params(game_params *params, int full)
+static char *validate_params(const game_params *params, int full)
{
if (params->w < 3 || params->w > 9)
return "Grid size must be between 3 and 9";
* Grid generation.
*/
-static char *new_game_desc(game_params *params, random_state *rs,
+static char *new_game_desc(const game_params *params, random_state *rs,
char **aux, int interactive)
{
int w = params->w, a = w*w;
desc = snewn(40*a, char);
p = desc;
for (i = 0; i < 4*w; i++) {
- p += sprintf(p, "%s%.0d", i?"/":"", clues[i]);
+ if (i)
+ *p++ = '/';
+ if (clues[i])
+ p += sprintf(p, "%d", clues[i]);
}
for (i = 0; i < a; i++)
if (grid[i])
* Gameplay.
*/
-static char *validate_desc(game_params *params, char *desc)
+static char *validate_desc(const game_params *params, const char *desc)
{
int w = params->w, a = w*w;
const char *p = desc;
return NULL;
}
-static game_state *new_game(midend *me, game_params *params, char *desc)
+static game_state *new_game(midend *me, const game_params *params,
+ const char *desc)
{
int w = params->w, a = w*w;
game_state *state = snew(game_state);
return state;
}
-static game_state *dup_game(game_state *state)
+static game_state *dup_game(const game_state *state)
{
int w = state->par.w, a = w*w;
game_state *ret = snew(game_state);
sfree(state);
}
-static char *solve_game(game_state *state, game_state *currstate,
- char *aux, char **error)
+static char *solve_game(const game_state *state, const game_state *currstate,
+ const char *aux, char **error)
{
int w = state->par.w, a = w*w;
int i, ret;
return out;
}
-static int game_can_format_as_text_now(game_params *params)
+static int game_can_format_as_text_now(const game_params *params)
{
return TRUE;
}
-static char *game_text_format(game_state *state)
+static char *game_text_format(const game_state *state)
{
int w = state->par.w /* , a = w*w */;
char *ret;
int hcursor;
};
-static game_ui *new_ui(game_state *state)
+static game_ui *new_ui(const game_state *state)
{
game_ui *ui = snew(game_ui);
sfree(ui);
}
-static char *encode_ui(game_ui *ui)
+static char *encode_ui(const game_ui *ui)
{
return NULL;
}
-static void decode_ui(game_ui *ui, char *encoding)
+static void decode_ui(game_ui *ui, const char *encoding)
{
}
-static void game_changed_state(game_ui *ui, game_state *oldstate,
- game_state *newstate)
+static void game_changed_state(game_ui *ui, const game_state *oldstate,
+ const game_state *newstate)
{
int w = newstate->par.w;
/*
#define COORD(x) ((x)*TILESIZE + BORDER)
#define FROMCOORD(x) (((x)+(TILESIZE-BORDER)) / TILESIZE - 1)
+/* These always return positive values, though y offsets are actually -ve */
+#define X_3D_DISP(height, w) ((height) * TILESIZE / (8 * (w)))
+#define Y_3D_DISP(height, w) ((height) * TILESIZE / (4 * (w)))
+
#define FLASH_TIME 0.4F
#define DF_PENCIL_SHIFT 16
int *errtmp;
};
-static int check_errors(game_state *state, int *errors)
+static int check_errors(const game_state *state, int *errors)
{
int w = state->par.w /*, a = w*w */;
int W = w+2, A = W*W; /* the errors array is (w+2) square */
}
for (i = 0; i < 4*w; i++) {
- int start, step, j, k, n, best;
+ int start, step, j, n, best;
STARTSTEP(start, step, i, w);
if (!clues[i])
continue;
best = n = 0;
- k = 0;
for (j = 0; j < w; j++) {
int number = grid[start+j*step];
if (!number)
return errs;
}
-static char *interpret_move(game_state *state, game_ui *ui, game_drawstate *ds,
- int x, int y, int button)
+static char *interpret_move(const game_state *state, game_ui *ui,
+ const game_drawstate *ds,
+ int x, int y, int button)
{
int w = state->par.w;
int tx, ty;
tx = FROMCOORD(x);
ty = FROMCOORD(y);
+ if (ds->three_d) {
+ /*
+ * In 3D mode, just locating the mouse click in the natural
+ * square grid may not be sufficient to tell which tower the
+ * user clicked on. Investigate the _tops_ of the nearby
+ * towers to see if a click on one grid square was actually
+ * a click on a tower protruding into that region from
+ * another.
+ */
+ int dx, dy;
+ for (dy = 0; dy <= 1; dy++)
+ for (dx = 0; dx >= -1; dx--) {
+ int cx = tx + dx, cy = ty + dy;
+ if (cx >= 0 && cx < w && cy >= 0 && cy < w) {
+ int height = state->grid[cy*w+cx];
+ int bx = COORD(cx), by = COORD(cy);
+ int ox = bx + X_3D_DISP(height, w);
+ int oy = by - Y_3D_DISP(height, w);
+ if (/* on top face? */
+ (x - ox >= 0 && x - ox < TILESIZE &&
+ y - oy >= 0 && y - oy < TILESIZE) ||
+ /* in triangle between top-left corners? */
+ (ox > bx && x >= bx && x <= ox && y <= by &&
+ (by-y) * (ox-bx) <= (by-oy) * (x-bx)) ||
+ /* in triangle between bottom-right corners? */
+ (ox > bx && x >= bx+TILESIZE && x <= ox+TILESIZE &&
+ y >= oy+TILESIZE &&
+ (by-y+TILESIZE)*(ox-bx) >= (by-oy)*(x-bx-TILESIZE))) {
+ tx = cx;
+ ty = cy;
+ }
+ }
+ }
+ }
+
if (tx >= 0 && tx < w && ty >= 0 && ty < w) {
if (button == LEFT_BUTTON) {
if (tx == ui->hx && ty == ui->hy &&
return NULL;
}
-static game_state *execute_move(game_state *from, char *move)
+static game_state *execute_move(const game_state *from, const char *move)
{
int w = from->par.w, a = w*w;
- game_state *ret;
+ game_state *ret = dup_game(from);
int x, y, i, n;
if (move[0] == 'S') {
- ret = dup_game(from);
ret->completed = ret->cheated = TRUE;
for (i = 0; i < a; i++) {
- if (move[i+1] < '1' || move[i+1] > '0'+w) {
- free_game(ret);
- return NULL;
- }
+ if (move[i+1] < '1' || move[i+1] > '0'+w)
+ goto badmove;
ret->grid[i] = move[i+1] - '0';
ret->pencil[i] = 0;
}
- if (move[a+1] != '\0') {
- free_game(ret);
- return NULL;
- }
+ if (move[a+1] != '\0')
+ goto badmove;
return ret;
} else if ((move[0] == 'P' || move[0] == 'R') &&
sscanf(move+1, "%d,%d,%d", &x, &y, &n) == 3 &&
x >= 0 && x < w && y >= 0 && y < w && n >= 0 && n <= w) {
if (from->clues->immutable[y*w+x])
- return NULL;
+ goto badmove;
- ret = dup_game(from);
if (move[0] == 'P' && n > 0) {
ret->pencil[y*w+x] ^= 1L << n;
} else {
* starting point when following through a set of
* diagnostics output by the standalone solver.)
*/
- ret = dup_game(from);
for (i = 0; i < a; i++) {
if (!ret->grid[i])
ret->pencil[i] = (1L << (w+1)) - (1L << 1);
}
return ret;
- } else
- return NULL; /* couldn't parse move string */
+ }
+
+ badmove:
+ /* couldn't parse move string */
+ free_game(ret);
+ return NULL;
}
/* ----------------------------------------------------------------------
#define SIZE(w) ((w) * TILESIZE + 2*BORDER)
-static void game_compute_size(game_params *params, int tilesize,
- int *x, int *y)
+static void game_compute_size(const game_params *params, int tilesize,
+ int *x, int *y)
{
/* Ick: fake up `ds->tilesize' for macro expansion purposes */
struct { int tilesize; } ads, *ds = &ads;
}
static void game_set_size(drawing *dr, game_drawstate *ds,
- game_params *params, int tilesize)
+ const game_params *params, int tilesize)
{
ds->tilesize = tilesize;
}
return ret;
}
-static const char *const minus_signs[] = { "\xE2\x88\x92", "-" };
-static const char *const times_signs[] = { "\xC3\x97", "*" };
-static const char *const divide_signs[] = { "\xC3\xB7", "/" };
-
-static game_drawstate *game_new_drawstate(drawing *dr, game_state *state)
+static game_drawstate *game_new_drawstate(drawing *dr, const game_state *state)
{
int w = state->par.w /*, a = w*w */;
struct game_drawstate *ds = snew(struct game_drawstate);
int x, int y, long tile)
{
int w = clues->w /* , a = w*w */;
- int tx, ty;
+ int tx, ty, bg;
char str[64];
tx = COORD(x);
ty = COORD(y);
+ bg = (tile & DF_HIGHLIGHT) ? COL_HIGHLIGHT : COL_BACKGROUND;
+
/* draw tower */
if (ds->three_d && (tile & DF_PLAYAREA) && (tile & DF_DIGIT_MASK)) {
int coords[8];
- int xoff = (tile & DF_DIGIT_MASK) * TILESIZE / (8 * w);
- int yoff = (tile & DF_DIGIT_MASK) * TILESIZE / (4 * w);
+ int xoff = X_3D_DISP(tile & DF_DIGIT_MASK, w);
+ int yoff = Y_3D_DISP(tile & DF_DIGIT_MASK, w);
/* left face of tower */
coords[0] = tx;
coords[5] = coords[3] - yoff;
coords[6] = coords[0] + xoff;
coords[7] = coords[1] - yoff;
- draw_polygon(dr, coords, 4, COL_BACKGROUND, COL_GRID);
+ draw_polygon(dr, coords, 4, bg, COL_GRID);
/* bottom face of tower */
coords[0] = tx + TILESIZE;
coords[5] = coords[3] - yoff;
coords[6] = coords[0] + xoff;
coords[7] = coords[1] - yoff;
- draw_polygon(dr, coords, 4, COL_BACKGROUND, COL_GRID);
+ draw_polygon(dr, coords, 4, bg, COL_GRID);
/* now offset all subsequent drawing to the top of the tower */
tx += xoff;
}
/* erase background */
- draw_rect(dr, tx, ty, TILESIZE, TILESIZE,
- (tile & DF_HIGHLIGHT) ? COL_HIGHLIGHT : COL_BACKGROUND);
+ draw_rect(dr, tx, ty, TILESIZE, TILESIZE, bg);
/* pencil-mode highlight */
if (tile & DF_HIGHLIGHT_PENCIL) {
* to put the pencil marks.
*/
/* Start with the whole square, minus space for impinging towers */
- pl = tx + TILESIZE/8;
+ pl = tx + (ds->three_d ? X_3D_DISP(w,w) : 0);
pr = tx + TILESIZE;
pt = ty;
- pb = ty + TILESIZE - TILESIZE/4;
+ pb = ty + TILESIZE - (ds->three_d ? Y_3D_DISP(w,w) : 0);
/*
* We arrange our pencil marks in a grid layout, with
}
}
-static void game_redraw(drawing *dr, game_drawstate *ds, game_state *oldstate,
- game_state *state, int dir, game_ui *ui,
- float animtime, float flashtime)
+static void game_redraw(drawing *dr, game_drawstate *ds,
+ const game_state *oldstate, const game_state *state,
+ int dir, const game_ui *ui,
+ float animtime, float flashtime)
{
int w = state->par.w /*, a = w*w */;
int i, x, y;
}
}
-static float game_anim_length(game_state *oldstate, game_state *newstate,
- int dir, game_ui *ui)
+static float game_anim_length(const game_state *oldstate,
+ const game_state *newstate, int dir, game_ui *ui)
{
return 0.0F;
}
-static float game_flash_length(game_state *oldstate, game_state *newstate,
- int dir, game_ui *ui)
+static float game_flash_length(const game_state *oldstate,
+ const game_state *newstate, int dir, game_ui *ui)
{
if (!oldstate->completed && newstate->completed &&
!oldstate->cheated && !newstate->cheated)
return 0.0F;
}
-static int game_timing_state(game_state *state, game_ui *ui)
+static int game_status(const game_state *state)
+{
+ return state->completed ? +1 : 0;
+}
+
+static int game_timing_state(const game_state *state, game_ui *ui)
{
if (state->completed)
return FALSE;
return TRUE;
}
-static void game_print_size(game_params *params, float *x, float *y)
+static void game_print_size(const game_params *params, float *x, float *y)
{
int pw, ph;
*y = ph / 100.0F;
}
-static void game_print(drawing *dr, game_state *state, int tilesize)
+static void game_print(drawing *dr, const game_state *state, int tilesize)
{
int w = state->par.w;
int ink = print_mono_colour(dr, 0);
game_redraw,
game_anim_length,
game_flash_length,
+ game_status,
TRUE, FALSE, game_print_size, game_print,
FALSE, /* wants_statusbar */
FALSE, game_timing_state,
~ian / sgt-puzzles.git / blobdiff