@Override
public boolean equals(Object obj) {
    if (!(obj instanceof Settings))
        return false;
    Settings that = (Settings) obj;
    boolean notEqual = false;
    notEqual |= this.rarity != that.rarity;
    notEqual |= this.depth != that.depth;
    notEqual |= this.nodes != that.nodes;
    notEqual |= this.size != that.size;
    notEqual |= this.spread != that.spread;
    notEqual |= this.hardness != that.hardness;
    notEqual |= this.resistance != that.resistance;
    notEqual |= this.generate != that.generate;
    return notEqual;
}