CfgPatches: Difference between revisions
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{{ | {{TOC|side}} | ||
[[CfgPatches]] is a header class of an addon. Placed in [[Config.cpp]], it contains information about requirements, content and meta data describing the addon. | [[CfgPatches]] is a header class of an addon. Placed in [[Config.cpp]], it contains information about requirements, content and meta data describing the addon. | ||
If the config doesn't contain CfgPatches, it is ignored when the game is loading addons on startup. | If the config doesn't contain CfgPatches, it is ignored when the game is loading addons on startup. | ||
{{Feature|Eden Editor|For [[:Category:Eden Editor|Eden Editor]] see also [[Eden Editor: Modding#Addon_Configuration|Eden Editor: Modding]].}} | |||
== Configuration == | == Configuration == | ||
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url = "http://xkcd.com"; | url = "http://xkcd.com"; | ||
// Minimum compatible version. When the game's version is lower, pop-up warning will appear when launching the game. | // Minimum compatible version. When the game's version is lower, pop-up warning will appear when launching the game. Note: was disabled on purpose some time late into Arma 2: OA. | ||
requiredVersion = 1.60; | requiredVersion = 1.60; | ||
// Required addons, used for setting load order. | // Required addons, used for setting load order. (CfgPatches classname NOT PBO filename!) | ||
// When any of the addons | // When any of the addons are missing, a pop-up warning will appear when launching the game. | ||
requiredAddons[] = { "A3_Functions_F" }; | requiredAddons[] = { "A3_Functions_F" }; | ||
// List of objects (CfgVehicles classes) contained in the addon. Important also for Zeus content (units and groups) unlocking. | // List of objects (CfgVehicles classes) contained in the addon. Important also for Zeus content (units and groups) unlocking. | ||
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// List of weapons (CfgWeapons classes) contained in the addon. | // List of weapons (CfgWeapons classes) contained in the addon. | ||
weapons[] = {}; | weapons[] = {}; | ||
// Optional. If this is 1, if any of requiredAddons[] entry is missing in your game the entire config will be ignored and return no error (but in rpt) so useful to make a compat Mod (Since Arma 3 2.14) | |||
skipWhenMissingDependencies = 1; | |||
}; | }; | ||
}; | }; | ||
</syntaxhighlight> | </syntaxhighlight> | ||
{{hl|requiredAddons}} is the most important setting, because it defines the initialization order of addons. If addon B requires addon A, then it will be loaded only once A is loaded as well. This is extremely crucial for making sure [[Class Inheritance]] works as intended. If an addon is using some assets from addon C (e.g., textures, sounds, etc.), it is a good practice to make C a required addons. | |||
=== Sub-folders === | === Sub-folders === | ||
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When a designer is saving a scenario, meta data of all required addons are saved to [[Mission Editor: External#Mission.sqm|mission.sqm]] as well. When someone else attempts to load the scenario without having the required addons, he will be shown a list of all addons including meta data, even though he doesn't have the addons where they're defined. | When a designer is saving a scenario, meta data of all required addons are saved to [[Mission Editor: External#Mission.sqm|mission.sqm]] as well. When someone else attempts to load the scenario without having the required addons, he will be shown a list of all addons including meta data, even though he doesn't have the addons where they're defined. | ||
Introduced to [[Eden Editor]] in {{GVI|arma3|1.60}} | Introduced to [[:Category:Eden Editor|Eden Editor]] in {{GVI|arma3|1.60}} | ||
{{GameCategory|arma3|Editing}} |
Latest revision as of 19:21, 10 July 2024
CfgPatches is a header class of an addon. Placed in Config.cpp, it contains information about requirements, content and meta data describing the addon.
If the config doesn't contain CfgPatches, it is ignored when the game is loading addons on startup.
Configuration
Root
Most commonly, config.cpp file is placed in addon folder's root.
MyAddon\config.cpp
class CfgPatches
{
class MyAddon
{
// Meta information for editor
name = "My Addon";
author = "Me";
url = "http://xkcd.com";
// Minimum compatible version. When the game's version is lower, pop-up warning will appear when launching the game. Note: was disabled on purpose some time late into Arma 2: OA.
requiredVersion = 1.60;
// Required addons, used for setting load order. (CfgPatches classname NOT PBO filename!)
// When any of the addons are missing, a pop-up warning will appear when launching the game.
requiredAddons[] = { "A3_Functions_F" };
// List of objects (CfgVehicles classes) contained in the addon. Important also for Zeus content (units and groups) unlocking.
units[] = {};
// List of weapons (CfgWeapons classes) contained in the addon.
weapons[] = {};
// Optional. If this is 1, if any of requiredAddons[] entry is missing in your game the entire config will be ignored and return no error (but in rpt) so useful to make a compat Mod (Since Arma 3 2.14)
skipWhenMissingDependencies = 1;
};
};
requiredAddons is the most important setting, because it defines the initialization order of addons. If addon B requires addon A, then it will be loaded only once A is loaded as well. This is extremely crucial for making sure Class Inheritance works as intended. If an addon is using some assets from addon C (e.g., textures, sounds, etc.), it is a good practice to make C a required addons.
Sub-folders
Additional config.cpp files can be also placed in sub-folders of an addon (/PBO), they are treated as individual addons by the game.
To make configuration of meta data simpler, you can simply create a link to the root class instead of defining name, author and url again. A good practice is to have all configs withing one PBO to use the same meta data.
MyAddon\Weapons\config.cpp
class CfgPatches
{
class MyAddon_Weapons
{
// Use meta information from specified addon. Used to avoid repeated declarations.
addonRootClass = "MyAddon";
requiredVersion = 1.60;
requiredAddons[] = { "MyAddon" };
units[] = {};
weapons[] = {};
};
};
Scenario Design
When a designer is saving a scenario, meta data of all required addons are saved to mission.sqm as well. When someone else attempts to load the scenario without having the required addons, he will be shown a list of all addons including meta data, even though he doesn't have the addons where they're defined.
Introduced to Eden Editor in 1.60