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Slight solver speedup by tracking more carefully which block merges
[sgt/puzzles]
/
fifteen.c
diff --git
a/fifteen.c
b/fifteen.c
index
9519f1a
..
d3a02f3
100644
(file)
--- a/
fifteen.c
+++ b/
fifteen.c
@@
-42,7
+42,6
@@
struct game_state {
int *tiles;
int gap_pos;
int completed;
int *tiles;
int gap_pos;
int completed;
- int just_used_solve; /* used to suppress undo animation */
int used_solve; /* used to suppress completion flash */
int movecount;
};
int used_solve; /* used to suppress completion flash */
int movecount;
};
@@
-345,7
+344,7
@@
static game_state *new_game(midend *me, game_params *params, char *desc)
assert(state->tiles[state->gap_pos] == 0);
state->completed = state->movecount = 0;
assert(state->tiles[state->gap_pos] == 0);
state->completed = state->movecount = 0;
- state->used_solve =
state->just_used_solve =
FALSE;
+ state->used_solve = FALSE;
return state;
}
return state;
}
@@
-363,7
+362,6
@@
static game_state *dup_game(game_state *state)
ret->completed = state->completed;
ret->movecount = state->movecount;
ret->used_solve = state->used_solve;
ret->completed = state->completed;
ret->movecount = state->movecount;
ret->used_solve = state->used_solve;
- ret->just_used_solve = state->just_used_solve;
return ret;
}
return ret;
}
@@
-509,7
+507,7
@@
static game_state *execute_move(game_state *from, char *move)
for (i = 0; i < ret->n; i++)
ret->tiles[i] = (i+1) % ret->n;
ret->gap_pos = ret->n-1;
for (i = 0; i < ret->n; i++)
ret->tiles[i] = (i+1) % ret->n;
ret->gap_pos = ret->n-1;
- ret->used_solve =
ret->just_used_solve =
TRUE;
+ ret->used_solve = TRUE;
ret->completed = ret->movecount = 1;
return ret;
ret->completed = ret->movecount = 1;
return ret;
@@
-533,7
+531,6
@@
static game_state *execute_move(game_state *from, char *move)
up = C(from, ux, uy);
ret = dup_game(from);
up = C(from, ux, uy);
ret = dup_game(from);
- ret->just_used_solve = FALSE; /* zero this in a hurry */
ret->gap_pos = C(from, dx, dy);
assert(ret->gap_pos >= 0 && ret->gap_pos < ret->n);
ret->gap_pos = C(from, dx, dy);
assert(ret->gap_pos >= 0 && ret->gap_pos < ret->n);
@@
-580,7
+577,7
@@
static void game_set_size(drawing *dr, game_drawstate *ds,
ds->tilesize = tilesize;
}
ds->tilesize = tilesize;
}
-static float *game_colours(frontend *fe,
game_state *state,
int *ncolours)
+static float *game_colours(frontend *fe, int *ncolours)
{
float *ret = snewn(3 * NCOLOURS, float);
int i;
{
float *ret = snewn(3 * NCOLOURS, float);
int i;
@@
-810,11
+807,7
@@
static void game_redraw(drawing *dr, game_drawstate *ds, game_state *oldstate,
static float game_anim_length(game_state *oldstate,
game_state *newstate, int dir, game_ui *ui)
{
static float game_anim_length(game_state *oldstate,
game_state *newstate, int dir, game_ui *ui)
{
- if ((dir > 0 && newstate->just_used_solve) ||
- (dir < 0 && oldstate->just_used_solve))
- return 0.0F;
- else
- return ANIM_TIME;
+ return ANIM_TIME;
}
static float game_flash_length(game_state *oldstate,
}
static float game_flash_length(game_state *oldstate,
@@
-827,11
+820,6
@@
static float game_flash_length(game_state *oldstate,
return 0.0F;
}
return 0.0F;
}
-static int game_wants_statusbar(void)
-{
- return TRUE;
-}
-
static int game_timing_state(game_state *state, game_ui *ui)
{
return TRUE;
static int game_timing_state(game_state *state, game_ui *ui)
{
return TRUE;
@@
-850,7
+838,7
@@
static void game_print(drawing *dr, game_state *state, int tilesize)
#endif
const struct game thegame = {
#endif
const struct game thegame = {
- "Fifteen", "games.fifteen",
+ "Fifteen", "games.fifteen",
"fifteen",
default_params,
game_fetch_preset,
decode_params,
default_params,
game_fetch_preset,
decode_params,
@@
-881,7
+869,7
@@
const struct game thegame = {
game_anim_length,
game_flash_length,
FALSE, FALSE, game_print_size, game_print,
game_anim_length,
game_flash_length,
FALSE, FALSE, game_print_size, game_print,
- game_wants_statusbar,
+ TRUE, /* wants_statusbar */
FALSE, game_timing_state,
0, /* flags */
};
FALSE, game_timing_state,
0, /* flags */
};