diff options
Diffstat (limited to 'cube.c')
| -rw-r--r-- | cube.c | 10 |
1 files changed, 5 insertions, 5 deletions
@@ -1145,7 +1145,7 @@ static char *interpret_move(const game_state *state, game_ui *ui, cy = (int)(state->grid->squares[state->current].y * GRID_SCALE) + ds->oy; if (x == cx && y == cy) - return NULL; /* clicked in exact centre! */ + return MOVE_NO_EFFECT; /* clicked in exact centre! */ angle = atan2(y - cy, x - cx); /* @@ -1196,11 +1196,11 @@ static char *interpret_move(const game_state *state, game_ui *ui, direction = RIGHT; } } else - return NULL; + return MOVE_UNUSED; mask = state->grid->squares[state->current].directions[direction]; if (mask == 0) - return NULL; + return MOVE_NO_EFFECT; /* * Translate diagonal directions into orthogonal ones. @@ -1215,14 +1215,14 @@ static char *interpret_move(const game_state *state, game_ui *ui, } if (find_move_dest(state, direction, skey, dkey) < 0) - return NULL; + return MOVE_NO_EFFECT; if (direction == LEFT) return dupstr("L"); if (direction == RIGHT) return dupstr("R"); if (direction == UP) return dupstr("U"); if (direction == DOWN) return dupstr("D"); - return NULL; /* should never happen */ + return MOVE_NO_EFFECT; /* should never happen */ } static game_state *execute_move(const game_state *from, const char *move) |