package tiles

// Tileset stores tiles by TileID
type Tileset map[string]*Tile

func (tileset Tileset) GetTiledRoutes() []TiledRoute {
	idmap := map[string]bool{}
	result := []TiledRoute{}
	for _, tile := range tileset {
		for _, tr := range tile.TiledRoutes {
			if _, ok := idmap[tr.Route.ExtraMembers.MustString("id")]; !ok {
				idmap[tr.Route.ExtraMembers.MustString("id")] = true
				result = append(result, tr)
			}
		}
	}
	return result
}