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HOI4 Dev Diary - Acclimatization and Special Forces

Hi everyone and welcome to another dev diary where we show off stuff as we work on Waking the Tiger. Today we are going to be talking about a feature I’ve been wanting for a long time - troop acclimatization.


Acclimatization
We have long wanted to simulate the problems associated with shifting troops to new fronts with more extreme weather they are not used to. We currently have two types: Cold Acclimatization and Heat Acclimatization. It is not possible to be acclimatized to both at the same time, so if you take troops from the desert and put them down in the Russian winter, they will need to “work off” their heat acclimatization first before they start getting accustomed to the cold. When a division is sufficiently acclimatized, it will change its look, as you can see below. On the left are troops in winter with no acclimatization and on the right is what they will look when acclimatized.
Screenshot_1.jpg

And an example from Africa:
hoi4_4.jpg


For most countries, we do this by switching the uniform on the 3D model to use more appropriate textures. In some cases, like where people only had tropic uniforms with short pants and the like, we replaced their uniforms to be more winter appropriate (suggestions by the art department to simply color their knees blue were sadly rejected). The new textures come with the DLC, but the core mechanic is free as part of 1.5 Cornflakes. You can see your acclimatization status as part of the unit list and its effects:
Screenshot_2.jpg



With full acclimatization you will reduce extreme weather penalties by about half. We will also be increasing the impact of harsh weather a bit to compensate for being able to avoid it now.

There are a few things that will help you gain acclimatization also. If your commander has the Adaptable trait or Winter Expert it will speed things up. There are also technologies that influence the acclimatization speed (more on that later).
upload_2017-12-6_14-41-16.png



Special forces
Up till now, we have had a bit of a balance issue with Special Forces (Marines, Mountaineers, Paratroopers). They were, pound for pound, better than regular infantry and many people simply replaced all their infantry with mountaineers.

To make sure special forces stay special, we added a restriction based on your whole army:
Screenshot_3.jpg


To ensure that you always know how many special forces you can field, the division designer and deployment will help you keep track:

Screenshot_4.jpg


Along with this change in how Special Forces work, we wanted to make them stand out a bit more. Six new infantry technologies have been added to improve these elite troops.

Special forces are trained and equipped for conditions that ordinary soldiers aren’t expected to excel in. The first tech will give them a boost to acclimatization speed. Afterwards, the tree splits. One option is to train your special forces harder, to improve their skills and their ability to fight for longer before having to be resupplied. The other option is to expand the special forces training programs to accept more recruits. Your special forces will be more numerous, but come with more drag and not quite as high speed. In the end though, they will still be elite forces and will be able to develop training to make them even more skilled in fighting in the harshest of conditions.

Screenshot_5.jpg


See you all next week when we return to take a look at the Chinese warlords.

Also, don’t miss out on World War Wednesday today at 16:00 CET as normal. Me and Daniel will continue our fight against communism (or the British fleet… we are still arguing about that) as Germany under the rule of the Kaiser.
 
But is this going to make the Eastern Front more realistic? It seems like that's where it's needed the most.

There should probably be some sort of industrial price to pay in order to winterise. Maybe we need production lines for winter and desert clothing (just these two to keep it simple) which then get added to division equipment as required, and "allow" winterisation to units in cold environments (and without such equipment, acclimatisation will simply cease; units which require acclimatisation will take equipment from those which no longer need them, or from the stockpile).

Fail to produce winter equipment (antifreeze, coats etc.), and your units don't acclimatise.
 
I hope we can see specialized Jungle Troops, Desert Troops, Arctic Troops, Rangers(Tank Hunters), Stormtroopers(Not the Imperial Kind), etc. In that same vein perhaps we can get some flavor names for certain nations, like Germany's paratroopers being renamed to Fallschirmjäger and Rangers being Panzerjäger; British special forces can be renamed commandos and Soviet to Spetznaz

Soviet Spetznaz was not formed yet. Term is wildly anachronistic.
 
There should probably be some sort of industrial price to pay in order to winterise. Maybe we need production lines for winter and desert clothing which then get added to division equipment as required, and "allow" winterisation to units in cold environments (and without such equipment, acclimatisation will simply cease; units which require acclimatisation will take from those which don't, or from the stockpile).

The fact that the Attrition is HIGHER, when you are not acclimated, convoys the industrial commitment in a Abstract way already.
 
Cavalry already doesnt get any boni from any doctrines and Inf or Mot/mech Upgrades. They effectively become very week once you hit move into 1939+. No Need to cripple them even more by adding them to "Special Forces".
Tbh they should get some bonuses, USSR was known for using a lot of Cavalry due to losing a lot of its motorized units during the early months of Barbarossa
 
The fact that the Attrition is HIGHER, when you are not acclimated, convoys the industrial commitment in a Abstract way already.

But it seems to me like Germany and Russia will acclimatise at the same rate (or it'll be decided by commander experience), whereas Germany's real problem, from what I understand, was simply not equipping its troops with the right gear to conduct a prolonged campaign in the Russian winter.

It's one thing to not be used to fighting in the cold, and another to physically lack the equipment to do so.
 
Am I correct in saying that with acclimatization plus the new events system, that modders can historically recreate the disastrous Russian winter (no winter clothing) following Barbarossa?

Also, having read all the previous diaries, this has to be one of the best ever expansions so far. Bravo guys. Hope this will be out soon!
 
Sometimes ... I don't know ... I think some people of the community here are going nuts. People who just asking questions get a "respectfully disagree" and people that answers the questions, too. I don't get it. >_<

I appreciate the new changes and I will be curious how that will affect future battles in desert, snow and jungle. I am thinking how hard it could be to defeat Afghanistan, that defeated the Brits' and the Soviets because of it's specific terrain. :)
 
But it seems to me like Germany and Russia will acclimatise at the same rate (or it'll be decided by commander experience), whereas Germany's real problem, from what I understand, was simply not equipping its troops with the right gear to conduct a prolonged campaign in the Russian winter.

It's one thing to not be used to fighting in the cold, and another to physically lack the equipment to do so.

What if acclimatization, at least at its highest levels, was locked behind research? So before you research winter/desert clothes, you will always suffer a higher attrition than a player who did.
 
Sometimes ... I don't know ... I think some people of the community here are going nuts. People who just asking questions get a "respectfully disagree" and people that answers the questions, too. I don't get it. >_<
Haters gonna hate
 
Sometimes ... I don't know ... I think some people of the community here are going nuts. People who just asking questions get a "respectfully disagree" and people that answers the questions, too. I don't get it. >_<
I respectfully disagree that you don't get it! ;)

I think the changes are good, and for the first time in a while I'm excited to start playing HoI4 :)
 
What if acclimatization, at least at its highest levels, was locked behind research? So before you research winter/desert clothes, you will always suffer a higher attrition than a player who did.

I guess that's a solution, but it seems more abstract than simply allowing the production of winter/desert equipment, and then giving Russia a massive stockpile of it at the start.
 
This is majorly impressive. So many changes in balance with 1.5 it will feel like a new game almost.