[HOI4 Modding] Creating Railways and Supply Hubs

This Hearts of Iron IV modding lesson will explain how to create/edit railways and supply hubs by using the Nudge tool and the ingame effects.
Timestamps for this tutorial/lesson:
00:00 - Video Start
01:25 - UI Scaling Warning
02:38 - Supply map colors explained
04:27 - Creating Railway lines (Nudge)
07:00 - Creating Supply Hubs (Nudge)
08:22 - Applying created lines/hubs to your mod
10:10 - Creating Railway lines with ingame effects
17:10 - Creating Supply Hubs with ingame effects
Effect for building supply hubs:
add_building_construction = {
type = supply_node
level = 1
instant_build = yes
province = 4705
}
Useful links:
Iron Workshop Discord server: / discord
Hearts of Iron IV wiki modding page: hoi4.paradoxwikis.com/Effect#...
If you would like to contribute to make the Iron Workshop better you can do so on Patreon: / playerhoi
Here are the download links to the various tools used during The Iron Workshop lessons/tutorials.
Notepad++ Download: notepad-plus-plus.org/downloads/
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[@redbox1976]

I am proud to be one of your patreons! Keep going!

[@larsthedude1984]

My homie coming in to help the mod community

[@mitchwerbell4679]

Incredibly useful and well spoken tutorial!

[@treedriller]

Love your videos, keep it up!

[@vulcan20]

Really useful tutorial! By the way, I recommend you to get some extensions for VS Code i.e. fonts/themes and also there is an extension which supports Paradox's syntax

[@m8skitskillz]

Is it in your wheelhouse to update the tutorial you gave for creating characters (since they got reworked in NSB)? I've been working on a Cuba rework and a lot of my progress is stumped behind not being able to remove/add characters to the nation. Edit: Just finished watching your character converter lesson and am very happy to see my question answered already :)

[@averin7568]

I love you man

[@TrazomMusic]

Thank god, my custom map mod is struggling right now lol

[@frederickii1534]

same man, and it makes it 10x worse that it's my first experience in modding hoi4

[@inzirixx6741]

Thank ypu so much bro

[@lemon1797]

Can you do a tutorial on switching meshes? For instance if I wanted to change the submarine 3D model, how would I do that?

[@stoneblackdog]

What color settings do you use in Notepad++?

[@VictoriaLuiseHohenzollern]

I'm not sure if you're referring to this video in particular, but Visual Studio Code is used here and not Notepad++.

[@stoneblackdog]

@@VictoriaLuiseHohenzollern thanks, I didn't notice

[@borsuk1237]

I have a problem with creating mod because when i created region on the mod game crashes and i dont know how to fix it

[@epikexplosions4470]

Do you have a tutorial for adding custom textures for soldiers?

[@tanner7890]

Can you make a tutorial for custom achievements? I saw it in old blues (the fallout mod) and have found nothing on it

[@-JA-]

Thank you.

[@washikaafrozi1469]

Now I have to put effort in my conquests?!?! REEEEE

[@xModerax]

Nudge tool with UI scaling was such a drippy experience

[@schubes21]

Hey there love the Modding videos, run into a wall though while creating Lake Ladoga into a new strategic region and state. The supply does not flow through the "sea"...though it has supply and all tiles are labeled coastal and the lake is labeled as sea

[@night_fox1618]

Hello, due to a recent update, I cannot edit the states and provinces on the map (transfer them to other states) can you help me find a solution to the problem?

[@heartofiron2251]

How do you have in some of your mode your notepad++ code that has different colors?

[@timomaas8635]

Can you explain how to make animated focus Icons :)

[@lawytgaming6583]

hello, what if i createed some new island states in the pacific ocean, and it says not connected to the capital, what do I do?

[@architech02]

I dont know if this is a bug but even though my rails are maxed and have a lot of supply hubs in the area the navy takes too much supply even though its only around 25 destroyers in a port which is also maxed out

[@Ruokos_Huba]

If you select army group change horse to car or double car should solve your problems

[@coco-ro9pb]

this is a little late but that's just a visual bug. Supply is probably just ok it's just the game that alerts you for no reason

[@egely1337]

Hello. I have a problem about buildings. I created a country and gave some lands but when i try to build buildings military/civillian i cant. Can you help me please? Thanks.

[@elliotbull3085]

when i go to save my railway in nudge tool, it deletes all the rail lines i have made. anyone know the problem here?

[@The.Smiggle]

Yes - this is also happening for me.

[@withche07]

can we remove supply hub with in game code?

[@user-fl5pd6ts9x]

Hello can you make video how to create solution in eu4? Please

[@thewildwegonian92]

How do you remove railways as like in an event completion reward, like if you were trying to simulate the destruction of a nation. I can't seem to find anywhere really on how to do it. I tried the remove_building command but alls it did was destroy the railroad in the selected provinces and said destroyed ones don't show in the construction menu.

[@Alberto2]

I suppose you could have the same effect but it sets the level to 0? Just a guess.

[@thewildwegonian92]

@@Alberto2 Doesn't work, already tried it and the code yelled at me for not having a value between 1-5

[@henrykanlian7677]

Clutch

[@ai_art_director]

what is name of railroad & supply hub building modfier?

[@BavarianMapping]

Nudge

[@Incredible2018]

Hello! Can you make a tutorial about adding islands to the default map? It would be much appreciated! Thank, you

[@TheIronWorkshop]

See the "creating new provinces" tutorial, it's basically the same.

[@therand0mchannle350]

That was fast