diff options
| -rw-r--r-- | tracks.c | 8 |
1 files changed, 5 insertions, 3 deletions
@@ -242,7 +242,8 @@ static const int nbits[] = { 0, 1, 1, 2, 1, 2, 2, 3, 1, 2, 2, 3, 2, 3, 3, 4 }; #define S_CLUE 8 #define S_MARK 16 -#define S_FLASH_SHIFT 8 /* Position of tile in solved track, 8 bits */ +#define S_FLASH_SHIFT 8 /* Position of tile in solved track */ +#define S_FLASH_WIDTH 8 /* Width of above sub-field */ #define S_TRACK_SHIFT 16 /* U/D/L/R flags for edge track indicators */ #define S_NOTRACK_SHIFT 20 /* U/D/L/R flags for edge no-track indicators */ @@ -1836,8 +1837,9 @@ static void set_flash_data(game_state *state) ntrack += state->numbers->numbers[x]; n = 0; x = 0; y = state->numbers->row_s; d = R; do { - /* Don't bother clearing; this only runs at completion. */ - state->sflags[y*w + x] |= (n++ * 255 / (ntrack - 1)) << S_FLASH_SHIFT; + state->sflags[y*w + x] &= ~(((1<<S_FLASH_WIDTH) - 1) << S_FLASH_SHIFT); + state->sflags[y*w + x] |= + (n++ * ((1<<S_FLASH_WIDTH) - 1) / (ntrack - 1)) << S_FLASH_SHIFT; d = F(d); /* Find the direction we just arrived from. */ d = S_E_DIRS(state, x, y, E_TRACK) & ~d; /* Other track from here. */ x += DX(d); y += DY(d); /* Move to the next tile. */ |