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Effects
There is a specific list of effects that can instantly change the game. Effects are carried out once when triggered by the rules around it. Unless specified, all changes made by effects are made only -
Modifiers
A modifier is a numeric multiplier that represent certain strengths and weaknesses of a country. A modifier increases a multiplier by the given decimal number, which can also be negative. Modifiers can unfortunately not directly -
Tools
The following tools can help with modding HOI4: Debug Mode: Go to properties - set launch options in steam and add "-debug" to enable debug mode. Debug mode sends out a cute military dog to tell -
Events folder
The event folders contains a list of event files that each specify one or multiple events that are called during the game. This includes both events that happen naturally (such as the hindenburg crash), as -
Triggers
Triggers, also known as Conditions, are a fixed list of questions you can ask the game, to which the answer will be yes or no/ true or false. conditions are used to, well, set conditions -
Operators
The operators are a special list of characters and keywords that are used in many placed to represent certain arithmatic ideas. -
Ai will do value
The ai_will_do value is used as a subobject that determines the likelihood the AI will pick something for the country. it is used as part of defining national focuses and government positions. When -
Crashes and Issues
This page is meant for reporting different types of crashes and issues and how to solve them. There is a lot of mods that mess around with states, provinces and factory amounts on states. If -
Common/ideologies
Ideologies is a folder found within common. It contains a file called "00_ideologies.txt". 00_ideologies.txt contains all ideologies found in HOI4. -
Home
Lists of HOI4 modding syntaxes, keywords, tools and examples! Hearts of Iron IV, is made by Paradox Interactive to be very modifiable, however the modding support was initially quite lacking. This is where this fanmade -
Variables
Where Modifiers are often scaling bonuses that go up and down throughout the game, Variables are the raw number values. The amount of political power a country has is for example a game variable that -
Effects/custom effect tooltip
custom_effect_tooltip= tooltip name Custom_effect_tooltip can be used to add your own tooltip. Essentially it is an effect that does nothing except write your own description as part of the tooltip when -
Common/countries
Not to be confused with history/countries. Where the actual stats of a country are written. The countries folder within commons defines the colors and looks that are attached to each country through Common/country -
Dates
A bookmark date is the used date format within hoi4 modding. it has the following syntax that it recognizes: YYYY.MM.DD(.HH) Example: 1939.8.14.12 -
.mod file
The.mod file is the file that tells the HOI4 launcher where your mod is located, and as a result it will show up in the launcher's mod list. In windows, the mod folder -
Console commands
When not playing Ironman, you can open the console with the'~' key. In this console you can type various commands to cheat. Console commands can help you more quickly test aspects of your mod. You -
HIDDEN EFFECT
hidden_effect={ effects} The effects listed within the hidden_effect clause will still fire, but will not be shown in the tool-tip when hovering over the button. hidden_effect is an effect in of -
Effects/set cosmetic tag
set_cosmetic_tag= [tag] Cosmetic tags can be used to override the names, color or flags of a country. By default you can use it to change a country so that it looks like another -
Effects/add opinion modifier
add_opinion_modifier={ target= Tag modifier= opinion modifier name} add_opinion_modifier={ target= SWE modifier= medium_increase} The above example adds the medium_increase opinion modifier to this country's opinion of Sweden. Thus this -
Common/national focus
National focuses are designed within the Common/national focus folder. Each file represents a single national focus tree. Example focus_tree={ id= czech_focus default= no continuous_focus_position={ x= 50 y= 1100} country={ factor -
State effects
Once you have one or multiple states selected with State operators, you can use state effects to modify the state(s) permanently. -
Localization replacements
The following list provides a series of syntaxes that can be used when writing descriptions such as those for focuses or events. [Prev.GetCallsign] -
Triggers/check variable
check_variable={ var= party_popularity@neutrality value= 0.10 compare= more_than} This trigger will be met if you have more than 10% neutrality support. Check Variable will not show any tool-tip information about -
State effects/add resource
random_owned_controlled_state={ limit={ has_resources_amount={ resource= oil amount 19}} add_resource={ type= oil amount= 24}} A randomly owned and controlled state (by the current country), that has at least 20 oil in -
Effects/start civil war
start_civil_war={ ideology= democratic size= 0.3} Starts a civil war over a country's controlled states. The current country is unchanged, but the new dynamically spawned country is of the chosen ideology and
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