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198 lines
8.2 KiB
Markdown
198 lines
8.2 KiB
Markdown
---
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layout: wiki
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title: Events Framework
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description: Explains how to use CBA event handlers with ACE3 events used to trigger or allow triggering of specific functionality and lists all documented events.
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group: framework
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order: 5
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parent: wiki
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mod: ace
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---
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## 1. Event Handlers
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Event handlers in ACE3 are implemented through CBA's Event System. They should be used to trigger or allow triggering of specific functionality.
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## 2. Events List
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ACE3 uses many events internally, this is not a complete list; but it should list most publicly usable events.
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### 2.1 Fired Event Handlers (`ace_common`)
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Different events for what type of unit has fired.
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E.G.: If you only need to do action when player's weapon fires, this will be faster than adding an XEH for everything.
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The vehicle events will also have the following local variables available `_gunner (OBJECT), _turret (ARRAY)`.
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| Event Key | Parameters | Locality | Type | Description |
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|----------|---------|---------|---------|---------|---------|
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|`ace_firedPlayer` | [_unit, _weapon, _muzzle, _mode, _ammo, _magazine, _projectile] | Local | Listen | ACE_player fires
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|`ace_firedPlayerNonLocal` | [_unit, _weapon, _muzzle, _mode, _ammo, _magazine, _projectile] | Local | Listen | Any other player fires
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|`ace_firedNonPlayer` | [_unit, _weapon, _muzzle, _mode, _ammo, _magazine, _projectile] | Local | Listen | AI fires
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|`ace_firedPlayerVehicle` | [_vehicle, _weapon, _muzzle, _mode, _ammo, _magazine, _projectile] | Local | Listen | ACE_player turret fires
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|`ace_firedPlayerVehicleNonLocal` | [_vehicle, _weapon, _muzzle, _mode, _ammo, _magazine, _projectile] | Local | Listen | Any other player turret fires
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|`ace_firedNonPlayerVehicle` | [_vehicle, _weapon, _muzzle, _mode, _ammo, _magazine, _projectile] | Local | Listen | AI turret fires
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### 2.2 Medical (`ace_medical`)
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| Event Key | Parameters | Locality | Type | Description |
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|----------|---------|---------|---------|---------|---------|
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|`ace_unconscious` | [_unit, _state(BOOL)] | Global | Listen | Unit's unconscious state changed
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|`ace_placedInBodyBag` | [_target, _bodyBag] | Global | Listen | Target placed into a bodybag Note: (Target will soon be deleted)
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|`ace_treatmentSucceded` | [_caller, _target, _selectionName, _className] | Local | Listen | Treatment action is completed (local on the _caller)
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### 2.3 Interaction Menu (`ace_interact_menu`)
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MenuType: 0 = Interaction, 1 = Self Interaction
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| Event Key | Parameters | Locality | Type | Description |
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|----------|---------|---------|---------|---------|---------|
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|`ace_interactMenuOpened` | [_menuType] | Local | Listen | Interaction Menu Opened
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|`ace_interactMenuClosed` | [_menuType] | Local | Listen | Interaction Menu Closed
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### 2.4 Logistics (`ace_cargo`)
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| Event Key | Parameters | Locality | Type | Description |
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|----------|---------|---------|---------|---------|---------|
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|`ace_addCargo` | [_item (CLASSNAME or OBJECT), _vehicle, _cargoCount] | Target | Callable | Scripted way to add cargo to vehicle
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|`ace_cargoLoaded` | [_item, _vehicle] | Global | Listen | Cargo has been Loaded into vehicle
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|`ace_cargoUnloaded` | [_item, _vehicle] | Global | Listen | Cargo has been Unloaded from vehicle
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### 2.5 Captives (`ace_captives`)
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| Event Key | Parameters | Locality | Type | Description |
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|----------|---------|---------|---------|---------|---------|
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|`ace_captiveStatusChanged` | [_unit, _state(BOOL), _reason ("SetHandcuffed" or "SetSurrendered")] | Global | Listen | Unit's captivity state changed
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|`ace_captives_setSurrendered` | [_unit, _state(BOOL)] | Target | Callable | Sets a unit to either start or stop surrendering
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|`ace_captives_setHandcuffed` | [_unit, _state(BOOL)] | Target | Callable | Sets a unit to either start or stop being handcuffed
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### 2.6 Settings (`ace_common`)
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| Event Key | Parameters | Locality | Type | Description |
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|----------|---------|---------|---------|---------|---------|
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|`ace_settingsInitialized` | [] | Local | Listen | All modules are read and settings are ready
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|`ace_settingChanged` | [_name,_value] | Local | Listen | A setting has been changed
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### 2.7 Tagging (`ace_tagging`)
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| Event Key | Parameters | Locality | Type | Description |
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|----------|---------|---------|---------|---------|---------|
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|`ace_tagCreated` | [_tagObject, _texture, _tagAttachedTo (can be null), _unitThatCreated] | Global | Listen | Tag is created
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## 3. Usage
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Also Reference [CBA Events System](https://github.com/CBATeam/CBA_A3/wiki/Custom-Events-System){:target="_blank"} documentation.
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### 3.1 Adding / Removing Events
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#### 3.1.1 Add Event
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`CBA_fnc_addEventHandler` - Adds an event handler with the event name and returns the event handler ID.
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| Arguments | Type | Optional (default value)
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---| --------- | ---- | ------------------------
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0 | Event name | String | Required
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1 | Code block | Code | Required
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**R** | Event ID | Number | Return value
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#### 3.1.2 Remove Event
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`CBA_fnc_removeEventHandler` - Removes a specific event handler of the given event name, using the ID returned from `CBA_fnc_addEventHandler`.
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| Arguments | Type | Optional (default value)
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---| --------- | ---- | ------------------------
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0 | Event name | String | Required
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1 | Event ID | Number | Required
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**R** | None | None | Return value
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### 3.2 Calling Events
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#### 3.2.1 Local Event
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`CBA_fnc_localEvent` - Calls an event only on the local machine, useful for inter-module events.
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| Arguments | Type | Optional (default value)
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---| --------- | ---- | ------------------------
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0 | Event name | String | Required
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1 | Arguments | Any | Required
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**R** | None | None | Return value
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#### 3.2.2 Target Event
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`CBA_fnc_targetEvent` - Calls an event only on the target machine or list of target machines.
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| Arguments | Type | Optional (default value)
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---| --------- | ---- | ------------------------
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0 | Event name | String | Required
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1 | Arguments | Any | Required
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2 | Target(s) | Object OR Number OR Array | Required
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**R** | None | None | Return value
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#### 3.2.3 Server Event
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`CBA_fnc_serverEvent` - Calls an event only on the server machine (dedicated or self-hosted).
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| Arguments | Type | Optional (default value)
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---| --------- | ---- | ------------------------
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0 | Event name | String | Required
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1 | Arguments | Any | Required
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**R** | None | None | Return value
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#### 3.2.4 Global Event
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`CBA_fnc_globalEvent` - Calls an event on all machines - the local machine, and the server machine.
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| Arguments | Type | Optional (default value)
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---| --------- | ---- | ------------------------
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0 | Event name | String | Required
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1 | Arguments | Any | Required
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**R** | None | None | Return value
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### 3.3 Synchronized Events
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#### 3.3.1 Add Synchronized Event
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Adds a globally synchronized event handler which will expire events after the provided time-to-live, or the code returns true.
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`ace_common_fnc_addSyncedEventHandler`
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| Arguments | Type | Optional (default value)
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---| --------- | ---- | ------------------------
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0 | Event name | String | Required
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1 | Code block | Code | Required
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2 | Time to live | Number OR Code | Optional (default: `0`)
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**R** | Event ID | Number | Return value
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#### 3.3.2 Remove Synchronized Event
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Removes a specific event handler of the given event name, using the ID returned from `ace_common_fnc_addSyncedEventHandler`.
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`ace_common_fnc_removeSyncedEventHandler`
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| Arguments | Type | Optional (default value)
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---| --------- | ---- | ------------------------
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0 | Event name | String | Required
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**R** | None | None | Return value
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#### 3.3.3 Call Synchronized Event
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Calls a globally synchronized event, which will also be run on JIP players unless it has expired. Event will expire after the provided time-to-live, or the code returns true.
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`ace_common_fnc_syncedEvent`
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| Arguments | Type | Optional (default value)
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---| --------- | ---- | ------------------------
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0 | Event name | String | Required
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1 | Arguments | Any | Required
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2 | Time to live for this call | Number OR Code | Optional (default: `0`)
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**R** | Event ID | Number | Return value
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### 3.4 Example
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```js
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// Event handler added on a target machine
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["ace_interact_tapShoulder", ace_example_fnc_onTapShoulder] call CBA_fnc_addEventHandler;
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// Event called on another machine (tapping above target machine)
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["ace_interact_tapShoulder", [arguments], [target]] call CBA_fnc_targetEvent;
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```
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