} else if (this.map_mode == 'terrain') {
for (const p in game.portals) {
let coordinate = p.split(',')
- map_lines_split[coordinate[0]][coordinate[1]] = 'P ';
+ let original = map_lines_split[coordinate[0]][coordinate[1]];
+ map_lines_split[coordinate[0]][coordinate[1]] = original[0] + 'P';
}
let used_positions = [];
for (const thing_id in game.things) {