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 data[256];
return dupstr(data);
}
-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 < 2 || params->h < 2)
return "Width and height must both be at least two";
return ret;
}
-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 gap, n, i, x;
return ret;
}
-static char *validate_desc(game_params *params, char *desc)
+static char *validate_desc(const game_params *params, const char *desc)
{
- char *p, *err;
+ const char *p;
+ char *err;
int i, area;
int *used;
used[i] = FALSE;
for (i = 0; i < area; i++) {
- char *q = p;
+ const char *q = p;
int n;
if (*p < '0' || *p > '9') {
return err;
}
-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)
{
game_state *state = snew(game_state);
int i;
- char *p;
+ const char *p;
state->w = params->w;
state->h = params->h;
return state;
}
-static game_state *dup_game(game_state *state)
+static game_state *dup_game(const game_state *state)
{
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)
{
return dupstr("S");
}
-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)
{
char *ret, *p, buf[80];
int x, y, col, maxlen;
return ret;
}
-static game_ui *new_ui(game_state *state)
+static game_ui *new_ui(const game_state *state)
{
return NULL;
}
{
}
-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 tilesize;
};
-static char *interpret_move(game_state *state, game_ui *ui, const game_drawstate *ds,
- int x, int y, int button)
+static int flip_cursor(int button)
{
- int gx, gy, dx, dy;
+ switch (button) {
+ case CURSOR_UP: return CURSOR_DOWN;
+ case CURSOR_DOWN: return CURSOR_UP;
+ case CURSOR_LEFT: return CURSOR_RIGHT;
+ case CURSOR_RIGHT: return CURSOR_LEFT;
+ }
+ return 0;
+}
+
+static char *interpret_move(const game_state *state, game_ui *ui,
+ const game_drawstate *ds,
+ int x, int y, int button)
+{
+ int cx = X(state, state->gap_pos), nx = cx;
+ int cy = Y(state, state->gap_pos), ny = cy;
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 < 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 < state->h-1)
- dy = gy + 1, dx = gx;
- else if (button == LEFT_BUTTON) {
- dx = FROMCOORD(x);
- dy = FROMCOORD(y);
- if (dx < 0 || dx >= state->w || dy < 0 || dy >= state->h)
+ if (button == LEFT_BUTTON) {
+ nx = FROMCOORD(x);
+ ny = FROMCOORD(y);
+ if (nx < 0 || nx >= state->w || ny < 0 || ny >= state->h)
return NULL; /* out of bounds */
- /*
- * Any click location should be equal to the gap location
- * in _precisely_ one coordinate.
- */
- if ((dx == gx && dy == gy) || (dx != gx && dy != gy))
- return NULL;
+ } else if (IS_CURSOR_MOVE(button)) {
+ static int invert_cursor = -1;
+ if (invert_cursor == -1) {
+ char *env = getenv("FIFTEEN_INVERT_CURSOR");
+ invert_cursor = (env && (env[0] == 'y' || env[0] == 'Y'));
+ }
+ button = flip_cursor(button); /* the default */
+ if (invert_cursor)
+ button = flip_cursor(button); /* undoes the first flip */
+ move_cursor(button, &nx, &ny, state->w, state->h, FALSE);
} else
return NULL; /* no move */
- sprintf(buf, "M%d,%d", dx, dy);
- return dupstr(buf);
+ /*
+ * Any click location should be equal to the gap location
+ * in _precisely_ one coordinate.
+ */
+ if ((cx == nx) ^ (cy == ny)) {
+ sprintf(buf, "M%d,%d", nx, ny);
+ return dupstr(buf);
+ }
+
+ 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 gx, gy, dx, dy, ux, uy, up, p;
game_state *ret;
* Drawing routines.
*/
-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 game_drawstate *game_new_drawstate(drawing *dr, game_state *state)
+static game_drawstate *game_new_drawstate(drawing *dr, const game_state *state)
{
struct game_drawstate *ds = snew(struct game_drawstate);
int i;
sfree(ds);
}
-static void draw_tile(drawing *dr, game_drawstate *ds, game_state *state,
+static void draw_tile(drawing *dr, game_drawstate *ds, const game_state *state,
int x, int y, int tile, int flash_colour)
{
if (tile == 0) {
draw_update(dr, x, y, TILE_SIZE, TILE_SIZE);
}
-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 i, pass, bgcolour;
}
}
-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 ANIM_TIME;
}
-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->used_solve && !newstate->used_solve)
return 0.0F;
}
-static int game_status(game_state *state)
+static int game_status(const game_state *state)
{
return state->completed ? +1 : 0;
}
-static int game_timing_state(game_state *state, game_ui *ui)
+static int game_timing_state(const game_state *state, game_ui *ui)
{
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)
{
}
-static void game_print(drawing *dr, game_state *state, int tilesize)
+static void game_print(drawing *dr, const game_state *state, int tilesize)
{
}
~ian / sgt-puzzles.git / blobdiff