if(mapData) {
    console.log('mapDimenstions and collisionsCoords are gathered from backend.');
    this.mapDimensions = mapData.dimensions;
    this.collisionsCoords = mapData.collisions;
} else {
    console.log('mapDimenstions and collisionsCoords are gathered from client.');
    this.mapDimensions = await getMapDimensions(page);
    this.collisionsCoords = await getCollisions(page, this.mapDimensions, this.monstersCoords);
    saveMap(this.mapDimensions, this.collisionsCoords, this.mapDimensions);
}