writeU8(os, often_contains_mineral);
os<<serializeString(dug_item);
os<<serializeString(extra_dug_item);
writeS32(os, extra_dug_item_rarity);
os<<serializeString(metadata_name);
writeU8(os, liquid_type);
writeU8(os, often_contains_mineral);
os<<serializeString(dug_item);
os<<serializeString(extra_dug_item);
writeS32(os, extra_dug_item_rarity);
os<<serializeString(metadata_name);
writeU8(os, liquid_type);