struct
OrderfalseSpecifies the ordering in the map generator GUI.
booleantrueWhether this is the default preset. If true, this preset may not have any other properties besides this and order.
If no MapGenPreset has default = true, the preset selector will have a blank preset label, with default settings. The "blank" preset goes away when another preset is selected.
MapGenSettingstrueIf any setting is not set, it will use the default values.
AdvancedMapGenSettingstrueIf any setting is not set, it will use the default values.