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Note on maintenance[edit source]
They seem to have approximated the number of years per month as 0.08, and defines.lua
LAND_MAINTENANCE_FACTOR = 0.25, -- _EDEF_LAND_MAINTENANCE_FACTOR HEAVY_SHIP_MAINT_FACTOR = 0.10, -- _EDEF_HEAVY_SHIP_MAINT_FACTOR_ LIGHT_SHIP_MAINT_FACTOR = 0.05, -- _EDEF_LIGHT_SHIP_MAINT_FACTOR_ GALLEY_MAINT_FACTOR = 0.04, -- _EDEF_GALLEY_MAINT_FACTOR_ TRANSPORT_MAINT_FACTOR = 0.04, -- _EDEF_TRANSPORT_MAINT_FACTOR_
seems to be a proportion of the build cost per year.
Further testing seems to suggest that that 0.08 approximation only applies to the display and land units; the actual naval maintenance is computed correctly.
- You're saying EU4 treats each month as 29.24 days for some things?--• General Baker (Talk | Contribs) • 21:41, 4 September 2013 (CEST)
- I was under the impression that EU4 months are literal calendar months, which can vary in length in terms of days, but are treated as identical in length for things updated every month. Land maintenance (actual and displayed on regiments) works this way, as does displayed maintenance on ships. Actual maintenance on ships is the correct 1/12. --Evil4Zerggin (talk) 23:59, 4 September 2013 (CEST)
ITS is a possessive and requires no apostrophe. IT'S is a contraction for IT IS. It's weird that its forms are so irregular ~ Unsigned comment by 184.108.40.206
- All instances of that has now been cleared up in this article. ~ Meneth (talk) 16:48, 8 November 2013 (CET)
Stacking penalty[edit source]
Has anybody been able to find any evidence that a stacking penalty of any sort is actually being applied? I haven't been able to detect anything of the sort even with doomstacking Rev. France's fleet in the last scenario. --Evil4Zerggin (talk) 21:17, 8 November 2013 (CET)
does it show anywhere in the tooltips trade power reduction of other nations in a node when I privateer it? I couldn't find it.
Does anyone have any idea how naval positioning works? I've been looking everywhere for a definitive answer, and no one seems to have any clue. Or if they do, no one's put it on the internet. I'd like a formula to calculate naval positioning. Does anyone have one? --220.127.116.11 17:25, 4 March 2015 (CET)
- I added some info on the max value, but I can't find any info on actual naval positioning either. The tooltips in-game are not helpful, the mod-able files provide no clues, and there doesn't seem to have been a dev diary about it. ----Certh (talk) 14:32, 7 March 2015 (CET)
Hunt pirates[edit source]
Currently this page says hunting pirates reduces their trade power. I'm currently watching Florryworry's very hard Three Mountains series (in patch 1.17, but I don't think the mechanics have changed since then) and he's losing 25% trade power in Ceylon to pirates, despite 99% reduced pirate efficiency due to hunting pirates. I think it actually reduces privateer efficiency, which then reduces income from privateers after allocating their share of trade value, the same way trade efficiency increases trade income after allocating the share of trade value, so most of the 25% siphoned away just gets wasted. Hairy Dude (talk) 12:32, 19 June 2019 (UTC)
Vassal raiding AI[edit source]
I believe I observed that AI vassals only raid coasts when they happen to pass by anyway. They don't specifically go and use the opportunities to get extra ducats and sailors from unraided eligible provinces. Of course vassals wouldn't provide any of that money to the overlord directly anyway. But ducats for construction and devastation for our enemies would still be nice. More specifically, I vassalized some berbers as Castille and gave my vassal a few provinces in English channel (and on the way there). Since all their ships had business elsewhere, they didn't raid the coasts north of Portugal, until they had business in that region during a war with England. They also might have raided with transport ships when transporting troops to quell rebellions in the new provinces.
I would want to add this observation to the wiki (because I was looking for this information myself), but I am not confident enough about my observations - perhaps someone else can duplicate my findings? --Solvychegodsk (talk) 21:50, 29 December 2020 (UTC)
- I was not able to reproduce that behavior. I started a new game as Castile and vassalized Marrakesh with console commands. Then I used more console commands to give them Leinster and London and some more provinces along the Moroccan coast(to increase their naval force limit). Then I sold them some light ships, but they seemed to used them to protect trade and not raid with them. But they send a fleet of 3 transports and raided some provinces. Then I gave them some more provinces and decreased the autonomy in these provinces with console commands to give them more force limit and sold them some more transports. This allowed them to raid some more. Then I tag switched to them and merged their 7 transports into one fleet and switched back to Castile. Then they use these 7 transports to raid most provinces which they could reach. In all the time, they didn't transport any troops(and they had no need to do that), so I think that they intentionally send them out to raid. They even raided the provinces along the Southern Norwegian Sea and Helgoland Bight which were not along any route they could have taken accidentally. So I don't think that there is something special about the way in which vassals raid coasts. But the AI doesn't seem to merge all their fleets to raid all high dev provinces so vassals might not have enough force limit to have leftover fleets which are big enough for raiding. --Grotaclas (talk) 07:35, 8 January 2021 (UTC)
Coastal raiding, requirements[edit source]
It should be added that you also cannot have a truce with the target nation -18.104.22.168 15:52, 27 June 2021 (UTC)