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Ability to make terrain a valid requirement for buildings

ex:

ca_river_farm = {
desc = river_farm_d
terrain_type = farmland
coastal = yes
build_cost = 60
build_time = 365

trigger = { TECH_CASTLE_CONSTRUCTION = 0}
extra_tech_building_start = 10.0
}
 
Ability to make terrain a valid requirement for buildings

ex:

ca_river_farm = {
desc = river_farm_d
terrain_type = farmland
coastal = yes
build_cost = 60
build_time = 365

trigger = { TECH_CASTLE_CONSTRUCTION = 0}
extra_tech_building_start = 10.0
}
It already works, just with "terrain = XYZ"
 
Conversion by diplomacy can't be modded to my knowledge.

Added "Allow banning specific religions from converting via diplomacy" to the list.

Expanding on this, I think having general 'trigger=' or 'potential=' requirements for various diplomatic actions would be great. In the AGOT mod for example we have to make absurd prestige or piety requirements to ban certain actions.
 
Make retinue limit modifier work in demesne laws. Currently its impossible to make demesne laws affect retinue limit. (I tried modding in Scutage Law, that increases retinue limit and tax from castle vassals, while decreases levies from castle vassals)
 
Expanding on this, I think having general 'trigger=' or 'potential=' requirements for various diplomatic actions would be great. In the AGOT mod for example we have to make absurd prestige or piety requirements to ban certain actions.
Added:

  • Allow scripting the availability of diplomatic interactions via "allow" and "potential" sections
Make retinue limit modifier work in demesne laws. Currently its impossible to make demesne laws affect retinue limit. (I tried modding in Scutage Law, that increases retinue limit and tax from castle vassals, while decreases levies from castle vassals)
Added:
  • Allow demesne/crown laws to modify retinue limits by absolute and relative amounts
One thing I'd like to see is the possibility for titular duchies to not be counted for the penalty "too many held duchies"... in the end they are only honoraries titles with no land attached...
Added:

  • Make whether titular duchies count towards the "too many held duchies" limit toggleable
I would like foreign courts to be able to hand out minor titles to people. So that if I create a title 'prince' for dynastic grandchildren of a king, the realm name will be correct.
I'm not quite sure what you mean. Could you elaborate?
Idk if it's been asked before but new events with up to 8 options that can later be used by modders.
Added:

  • Make it possible to have more than 4 event options, for example via a scrollbar if more options than 4 are available
Is it possible to code a succession law that allows only the independent ruler of a kingdom/empire to vote on a heir, that way it allows you to pick the best heir?
Succession is hardcoded. So your suggestion is covered under "Moddable succession laws (E.G., ability to add new ones)"
Make buildings affect army movement speed.

ex: I build a dirt road in a county. +20% Movement Speed or something.
Added:

  • Allow buildings to affect movement speed in the province
 
Two suggestions for localisation section
* Allow cultural names for titles to be specified for whole culture groups e.g. arabic = "Qahirah", altaic = "Demirkapi"
* Allow title names to be dependent on religions and religion groups, e.g. christian = "Alexandria"
 
Two suggestions for localisation section
* Allow cultural names for titles to be specified for whole culture groups e.g. arabic = "Qahirah", altaic = "Demirkapi"
* Allow title names to be dependent on religions and religion groups, e.g. christian = "Alexandria"
Both added to the list.
 
Allow a liege to join a faction in his own realm when an appropriate faction is in place (at the moment, the button simply isn't there at all for independents, which makes it a lot harder to, for example, create the conflict around centralizing a feudal realm with the help of factions)

The ability to set the faction strength at which a faction revolts (not possible under NAI in the defines, nor in the faction file itself)
 
Allow a liege to join a faction in his own realm when an appropriate faction is in place (at the moment, the button simply isn't there at all for independents, which makes it a lot harder to, for example, create the conflict around centralizing a feudal realm with the help of factions)
Will add to list.
The ability to set the faction strength at which a faction revolts (not possible under NAI in the defines, nor in the faction file itself)
Faction revolts only happen by decision, event, etc. So when they happen is entirely moddable.
They don't just spontaneously rebel.
 
I'd like it if we could turn off consort titles for specific titles in the landed_titles file. Like a consort_title = no line or something like that so you could stop the wives of Caliphs from being called Calipha themselves or however else modders would like to use it.
 
Another idea again relative to titles: change them based on the title of the liege for example:

1. King of France vassal of The Roman Empire, the title become "Prefecture of Gallia" and the ruler is a "Prefect" not a King
2. King of the North vassal of the Iron Throne (which title is "King" not Emperor) is a "Lord Paramount" but if indipendent it returns a King... in GOT this is done with two titles "King of North" that is the "Lord Paramountship" vassal of the Iron Throne and "Empire of The North" formable only if indipendent
3. King of Belfast (or Belfas?) vassal of the King of Gondor is a Prince of a "The Principality of Belfast" but if indipendent is a "King", in the Middle Earth Project if they become indipendent they will remain Princes... you should need to create a titular title for any vassal of Gondor to make them King...