I made a dirty update to the
DF2014:World_generation wikipage with some tables.
Someone with more experience in advanced world gen parameters may translate the
Natural Savagery info below into a more understandable format and add it to the wiki.
Here is a
short summary.
World Sizelimits maximum number of forgotten beasts, civilizations, sites and beasts.each world size has a fixed number of forgotten beasts at the beginning of year one. ( 12 / 27 / 75 / 243 / 867 )
Number of Civilizationsin combination with world size sets the civilization capi.e. a pocket world with very high
number of civilizations setting can contain up to 10 civilizations, but they are not distributed equal so you may end up with:
Dwarf:3 Elf:0 Human:2 Kobold:2 Goblin:3
a large world with very high civilizations may contain:
Dwarf:7 Elf:29 Human:57 Kobold:56 Goblin:10
medium worlds with very high civilizations will fail world gen 99% of the time as there is not enough room for 160 civs.
Maximum Number of Sitesin combination with world size sets the sites capLess sites mean existing civilisations can not expand to many new settlements over the years passing. Very low site numbers result in only the civilizations home settlements exist after year one with a high probability of getting eradicated by some event.
High site numbers increase the duration of history generation by a huge amount.
Site number examples:Small world size - 125 years history - 10 civilizations - various site caps - same seeds per test
CIVS: Dwarves: 1, Humans: 2, Elves: 2, Kobolds: 2, Goblins: 3
SitesNumber of sites 10 75 150
-------------------------------------------
Lair 145 169 153
Shrine 4 4 4
Vault 3 3 3
Labyrinth 1 1 1
Tomb 1 1 1
Cave 2 2 2
Fortress 1 4 6
Hillocks - 9 19
Mountain Halls - - 3
Hamlet 2 18 45
Town - 3 5
Forest Retreat 2 19 42
Dark Fortress 3 6 6
Dark Pits - 13 19
Camp - 16 24
-------------------------------------------
Total Sites 165 267 333
with 10 sites cap all good sites were destroyed by year 125
Total PopulationNumber of sites 10 75 150
--------------------------------------
Dwarf 19 385 850
Human 67 1562 2766
Elf 74 668 1162
Kobold 255 336 394
Goblin 1475 1805 2084
Number of Beastsin combination with world size sets the beast cappocket and smaller worlds with very low / low number of beasts may only contain a single semi-megabeast and no megabeasts / titans.
Natural Savagerydefines the amount of benign, neutral and savage surroundingsinfluences the following
world gen parameters[SAVAGERY_FREQUENCY:X:X:X:X:X:X]
3:5:4:3:2:1 - very low
3:3:2:2:1:1 - low
1:1:1:1:1:1 - medium
3:1:1:2:2:3 - high
3:1:2:3:4:5 - very high
[SAVAGERY_RANGES:X:X:X]
SIZE: pocket: 17*17-1 ,smaller: 33*33-1 ,small: 65*65-1 ,medium: 129*129-1 ,large: 257*257-1
very low - (25% * SIZE) : (12,5% * SIZE) : 0
low - (25% * SIZE) : (12,5% * SIZE) : (3,125% * SIZE)
medium - (3,05% * SIZE) : (6,1% * SIZE) : (3,05% * SIZE)
high - (3,125% * SIZE) : (12,5% * SIZE) : (25% * SIZE)
very high - 0 : (12,5% * SIZE) : (25% * SIZE)
i.e. large world, low savagery: 0,25 * 66048 : 0,125 * 66048 : 0,03125 * 66048
[SAVAGERY_RANGES:16512:8256:2064]
data source:
http://dffd.bay12games.com/file.php?id=10854