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EU4 - Development Diary - 31st of July 2018

Good day and welcome to another Dev Diary for Europa Universalis IV. As July rolls to a close, Paradox HQ slowly sees its manpower trickle back in from Summer merriment and return to creating games. At this rate, who knows, we may be able to announce Dharma's release date in the not-too-distant future, as I have been not so subtly asked about many a time.

But what are we looking at today? We've covered almost all of the new mechanics for Dharma already, we'll finish it off today by talking about what we've done to make Centers of Trade more interesting.

Ever since EU4's release, Centers of Trade have been a constant flat bonus to a province. They can make otherwise uninviting land fairly desirable for conquest to drive up your trade power in a node for as long as you can hold the land. It works fairly well, but has lacked a depth to it that we're looking to change.

BNG COT.png


Firstly, and this goes for everyone who updates to the 1.26 Mughals version, Centers of Trade, both inland and coastal, will have 3 different levels, allowing them to affect their province, the owner and the lands around them. These are:

(coastal)
  • Staple Port:
    • + 5 trade power,
  • Entrepot:
    • +10 trade power, -5% dev cost, +10% institution spread
  • World Port:
    • +25 trade power, +0.25 Naval Tradition, +30% institution spread
    • For whole Area: -10% dev cost, +100% Sailors, +1 Building Slot
(inland)
  • Emporium:
    • +5 Trade Power
  • Market Town:
    • +10 Trade Power, -5% dev cost
  • World Trade Center:
    • +25 trade power, +30% institution spread
    • For Whole Area: -10% Dev Cost, +33% Manpower, +1 Building Slot
Our goal here is to bring a lot more variance to the Centers of Trade around the world, such that Genoa brings a bit more to the table than Barcelona, or Gujarati Khambhat feels far more of a thriving and tantalising target than Thana. Staple ports and Emporiums will bring only modest trade power bonuses. Entrepots and Market Towns are similar to how all old Centers of Trade used to be, while World Ports and World Trade Centers not only bring benefit the provinces dearly, but also benefit the area around them and offer the owner a way to gain Naval Tradition. Note that Centers of Trade do not consume buildings slots.

With this, the Trade Center levels across the world have been crafted to model the world's situation and, with the scaling of their effects, has allowed us to add considerably more Centers of Trade than we have been at liberty to do before.

Europe:
Euro COT.png


India:

Indian COT.png



In addition to this, Dharma owners will see the levels of Centers of Trade fluctuate both through their own actions, and those of the nations around them. Centers of Trade in either States or Trade Companies can be upgraded for a cost of 200 Ducats to level 2, and 1000 ducats to level 3. The number of Level 3 Centers of Trade a nation can have is capped by the number of available Merchants that nation has, so a globe-spanning trade nation will be able to hold many of them if they so desire, while a less trade focused conqueror will have to be more picky.

Be wary however, since a Center of Trade will be downgraded by 1 level, either from 3 to 2 or 2 to 1 upon a change of owner, even through peaceful methods like diplomatic integration. Trade and traders will thrive in peaceful lands of certainty. You are also able to downgrade your own Centers of Trade if you are at peace, at a cost of 10 prestige.

That's our lot for today, we'll be back next week, rounding up on the National Ideas that we have not yet covered.

CLARIFICATION: if you don't own Dharma it gets locked to it's level. You do not lose any level when province owner switches. - Groogy
 
Last edited:

Me_

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Very interesting. I can't wait to see how this will work in practice. Were MR trade posts affected bu this change in any way?
 

Groogy

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Very interesting. I can't wait to see how this will work in practice. Were MR trade posts affected bu this change in any way?
Nope, it's purely centers of trades that are affected.
 

Martynios

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Does this greatly increase the trade power share of England in the Channel node in 1444? Since they got multiple lvl 1 centers, while the Low Countries got none.
 

SPAMbuca

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Seems like a logical development in trade, but won't it lead to having even more money in the mid/end game? In the mid/end game you'll easily spend 1000 ducats to upgrade a center of trade and you'll snowball even further.

On a related matter, might it be an idea to increase the use of extremely expensive channels too?

I doubt anyone would ever downgrade a center of trade from lvl 2 to 1 at least.
 

Van Kasten

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The Trade Center will be downgraded even if the player does not have the Dharma DLC?

Because after a little while the world would be empty of all level 2 and 3 trade centers if they can’t be upgraded anymore.
 

HeyIAmInfinity

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Where are the answer to the question posed by the community on the last dev diary?

While this change doesn’t really do much, integration should be exempted by the downgrade as it’s a more peaceful method of acquiring land.

This change will also probably cause some issue with the AI, unless it was tested thoroughly, something that I doubt.
 

Groogy

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Seems like a logical development in trade, but won't it lead to having even more money in the mid/end game? In the mid/end game you'll easily spend 1000 ducats to upgrade a center of trade and you'll snowball even further.

Trade power doesn't change the amount of money available, only the ratio of who can move it around or collect it. The same amount of money will still be floating around... minus the cost for upgrading the CoT's