- const Tile* tile = worldmap->at(tile_pos);
- if (direction != input_direction) {
- if(canWalk(tile, input_direction)) {
- direction = input_direction;
- back_direction = reverse_dir(direction);
- }
+ const int tile_data = worldmap->tile_data_at(tile_pos);
+ if ((direction != input_direction) && canWalk(tile_data, input_direction)) {
+ direction = input_direction;
+ back_direction = reverse_dir(direction);