Victoria 3 to Hearts of Iron IV converter (2024)

The Vic3 to HoI4 converter is a a tool that takes a Victoria 3 save and generates an HoI4 scenario from it. It can be downloaded from this forum thread.
It is compatible with outputs from other converters, allowing the player to play a continuous megacampaign from Imperator to HoI4.
This is a continuation of the Vic2 to HoI4 Converter project.

Versions[edit | edit source]

Recent versions and changelogs[edit | edit source]

• 0.4 - Doorman
• 0.3 - Chen
• 0.2 - Blamey
• 0.1 - Anders

Features and conversion mechanics[edit | edit source]

Here is a general list of Converter capabilities and conversion mechanic explanations. For more information feel free to ask for clarifications on forums or take a peek at the code.
Note: The converter includes a configurables/ folder that contains all data files with rules it uses during conversion. These files are there for a reason - so the user can view them and modify them according to specific needs. Do not be shy to hack away and change them so the conversion fits expected goals.

Requirements[edit | edit source]

• Victoria 3, latest version. DLCs are optional.
• Hearts of Iron 4, latest version. DLCs are optional.

Incoming savegames[edit | edit source]

• Converter supports compressed save games.
• Ironman saves are supported.

Outgoing mod[edit | edit source]

• Converter will produce a Hearts of Iron 4 mod.
• On Windows, and using the front-end, the mod will be copied to Hoi4 mod/ directory.
• Without front-end (running the converter manually) or on other OS-es, mod will be exported to converter's output/ folder, and will have to be moved by user.

Bookmarks[edit | edit source]

• Converted mod supports one bookmark: 1936.
• Conversion-date bookmarks can be quite early, chaining converters from CK2 onward, one can play a 769 game in Hoi4 engine, though aside for the novelty that is a horrible idea.
• Converting earlier than 1936 will cause penalties in manpower levels, industrial footprint, and converted technologies, and is not recommended.

Countries[edit | edit source]

• Countries are currently a blank-slate conversion and only keep their name, color, and land. This will be improved soon.
• Technologies are converted according to configurables/tech_mappings.txt.

States[edit | edit source]

• States are converted from Vic3's states, but islands and other disconnected provinces may be split into their own states. Wastelands are split into separate states.
• Resources are distributed according to configurables/resources.txt.
• Victory points are assigned to each of the significant provinces defined by Vic3. The point values are determined by the type of significant province. This will be changed soon.
• Manpower is simply the Vic3 population.
• Industry is converted as one factory per 100,000 employed workers. If there are more than twelve factories in a state, they will be given to the owner's next state so that they don't go beyond HoI4's maximum.
• The smallest state category that can handle the number of converted factories is assigned.

Militaries[edit | edit source]

• Militaries are not currently converted.

Wars[edit | edit source]

• Wars are currently not converted.

Other mods[edit | edit source]

• The converter is designed to work with Vic3 mods, including games converted from EU4 to Vic3. Other mods may also work.
• There may be future support for combining the converter's output with other HoI4 mods. But this will be a low priority, and currently this is completely untested.

FAQ[edit | edit source]

Q: I used a mod, will the converter work with it?
A: It depends on what the mod changed. Your best bet is to simply try (and let us know how it went). As far as we can tell, it does work well with games converted from EU4.

Q: The converter says "Saving Configuration: Failed!" How do I fix it?
A: Disable your antivirus or allowlist the converter.

Helping with development[edit | edit source]

If you wish to help with development, there are plenty of ways to do so. Descriptions of needs follow.

Programmers:

We can always use more programmers. The converter itself is in C++, and the tools that go with it are in C# and C++.

Map-staring experts:

Province mappings always need more work. The order that HoI4 provinces are linked make a difference for where things like VPs end up, so if you can update province mappings (and send me the file) for areas you know, that'd be helpful.

Testers:

Catching bugs and oddities earlier means they get fixed earlier. I try to release test versions of the converter on the forum for testing, so running those and looking things over is helpful. And if you have professional experience in testing, well, I'm sure we could be doing things far better. Tell me how!

Modders:

We can always use help figuring out how things work, and how we can do them better. If you know how to mod HoI4, we can use your help figuring it out. As well, there's always more room for flavor events, decisions, and the like.

Everyone:

We can always handle more discussion on how things are converted over on the forum thread. And your encouragement helps more than you know.

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