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Thread: Europa Universalis IV: Developer diary 25 - Anna Karenina

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    Studio Manager Paradox Dev Team Johan's Avatar
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    Europa Universalis IV: Developer diary 25 - Anna Karenina

    Welcome to another developer diary for Europa Universalis IV - the 25th one, in which we discuss the intricacies of the works of Lev Nikolajevitj Tolstoy.

    Wargoals
    Two concepts that have worked well in our recent games have been setting war goals and the ticking war score. The combination of the two has created a system where what you have to do to win a war is clear and easy to understand.

    For newcomers, these systems work like this: war goals, introduced in Victoria II, are the targets you set for a war. These are tightly connected to the casus belli, so your war goal may be to take the core province that you are squabbling over. The “ticking war score”, which we introduced in Crusader Kings II, adds points to your war score as long as you have fulfilled the goals you have set. So if your goal is to take Berlin, your war score increases each day you occupy it.

    However one of things that makes Europa Universalis peace system stand out, and that really shines in multiplayer, is its free flowing nature. How much you try to take and claim at the peace table depends very much on how the war is going at this current time. We wanted to preserve this fluid conception of war while still using elements of the war goal/ticking war score systems.

    So we have introduced a compromise system. We continue the system of declaring war with a reason (the casus belli) and we add in a twist that the war goal gives you a target to start the war score ticking. This can be either province control or winning battles, depending on the casus belli you have chosen. When you meet your goal, your war score slowly starts to tick up to another 20%. On top of this, peace options require different amount of war score, depending to the war goal. So demanding the province that the war is about is much cheaper than any other province you might want to claim. This gives us a hybrid between the Europa Universalis peace system that you all know and the Crusader Kings II system.

    New Peace Options.
    We have added in a number of cool new peace options into the system.

    One of the most interesting is you can ask for a core province of a third country that might not even be involved in the war to be transferred to them. This way you can weaken a country without having to take worthless indefensible province for yourself. You can, effectively, partition a neighbor that has been giving you trouble and build up credit with other states nearby.

    You also have the option to demand that they pass some of their trade power to you for the duration of the peace, instead of just asking for hard cash. In some instances this will be a better way to earn money and will greatly weaken an opponent’s financial situation for as long as the truce holds.

    As we mentioned earlier, the emperor also has the option to revoke the electorship from unruly electors through a peacetreaty.

    Perhaps the most interesting is the change we have made to rolling back Imperial reforms in the Holy Roman Empire. Now you can do it for as many times are there are reforms, demanding that things be rolled back as far as you need to in order to defend the ancient liberties and freedoms of the Imperial Princes. The HRE is no longer a ticking time bomb in the centre of Europe. This, coupled with the changes to the HRE we talked about a few weeks ago should make central Europe a place where many interesting goals and demands can negotiated at the point of a pike.

    Peace Interface
    One of our stated goals with Europa Universalis IV was to improve all our interfaces, and the peace interface is no exception. The first task was to include all the new information you would need to get the most value out of these new systems we’ve introduced. Then we took a good look at the old systems to see what we could do to improve them.

    We have already iterated on developing the peace interface several times, and, if time allows, we plan further improvements based on our internal testing. We now have a new single peace screen with tabs for offering and demanding. Now before you ask! NO you cannot both offer and demand something. But this does mean that if you accidentally had selected “offer tribute” instead of “demand tribute” (and who among us hasn’t done that?), you no longer have to click cancel and go back and start over. You can simply click on a tab and focus on the important things – bullying your neighbors. This is a seemingly small change, but it does prevent unnecessary do-overs.

    Although perhaps my favorite change is that the peace screen now remembers your last offer. So if you are just biding time trying to get your enemy to see reason and accept a perfectly fair deal, you don’t have to click your choices over and over again to put together the offer you want.



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    Last edited by Regina; 05-04-2013 at 12:56.

    Johan Andersson
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    At least a DD this week. Thank you, very insteresting.

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    Awesome! I love this little improvement features that are in EUIV...Really improve the game!

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    Just one comment so far: NICE! And exactly how I hoped it to be. Every word written by Johan is like music in my ears.

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    Which mapmode has, what looks like the habsburg dynasties claim in green(screenshot)? looks like it contains aragon, castille, austria, and parts of burgundy?

    Looks like allies and enemies in this case. With Austria trying to make a peacedeal with france.
    Last edited by Alley; 05-04-2013 at 13:10.

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    Having more varied peace options is definitely welcome!

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    Very pleased with the ability to give a province to a third party. I campaigned for that in EU3, so I'm very pleased to see it here.

    Is the aggressive expansion policy going to match the old infamy amounts - two provinces in the above equalling 8?
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    Just one question, will freeing a country or returning 3rd country's provinces require the occupation of said provinces for ticking war score?
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    I see the attacker has to pay diplomatic points for the peace treaty, what happens if the attacker lacks the "100 points" in this case? Does he go negative and so it can't take any diplomatic actions until it goes back positive or else? Great DD!
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    Professional Kangaroo Boxer The-King's Avatar
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    Nice DD! I feel these changes will be a good improvement to eu3.

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    Studio Manager Paradox Dev Team Johan's Avatar
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    Quote Originally Posted by jasonreborn View Post
    I see the attacker has to pay diplomatic points for the peace treaty, what happens if the attacker lacks the "100 points" in this case? Does he go negative and so it can't take any diplomatic actions until it goes back positive or else? Great DD!
    He'll go negative.

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  13. #13
    Quote Originally Posted by Johan View Post
    One of the most interesting is you can ask for a core province of a third country that might not even be involved in the war to be transferred to them. This way you can weaken a country without having to take worthless indefensible province for yourself. You can, effectively, partition a neighbor that has been giving you trouble and build up credit with other states nearby.[/URL]
    Does the AI use this option too? Avoiding taking indefensible provinces that will only give negative warscore in the next war?

  14. #14
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    The option to partition a core to a third country sounds intriguing and nice!

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    Viikinki
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    Wargoal annex ming, and ill be happy.
    Yes all 150 provinces..

    and hohum unrest +600 everywhere?

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    Plotter who lurks among you Checco's Avatar
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    This peace system takes the best from V2 and CK2, impressing!!

    It was worth experimenting on those games! (j/k, last sentence)
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    Nice features!
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    Quote Originally Posted by Checco View Post
    This peace system takes the best from V2 and CK2, impressing!!

    It was worth experimenting on those games! (j/k, last sentence)
    not so much an experiment but gaming evolution!
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    I like having more peace options! Would've been a great DD if it didn't end in tears

  20. #20
    Nice to see confirmation that war mongering is gonna be eating away at your monarch power.

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