Initialisation Order: Difference between revisions

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Initialisation order refers to the order in which those tasks are executed and it is important to take into account when setting up the start of a mission.
Initialisation order refers to the order in which those tasks are executed and it is important to take into account when setting up the start of a mission.


[[Event Scripts]] are a key part of a mission's initialisation order and will be utilised often when working with [[SQF syntax|SQF]].
[[Event Scripts]] are a key part of a mission's initialisation order and will be utilised often when working with [[SQF Syntax|SQF]].




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|}
Take note that the order of initialisation is different in single player and multiplayer environments. If an entry is unmarked then it applies to both.
Take note that the order of initialisation is different in single player and multiplayer environments. If an entry is unmarked then it applies to both.
{{Informative | In multiplayer the following is relevant to every machine including the server and [[Arma 3 Headless Client|headless clients]].
{{Feature|informative|
If the server is non-dedicated then it should be considered both a server and client.}}
In multiplayer the following is relevant to every machine including the server and [[Arma 3: Headless Client|headless clients]].
If the server is non-dedicated then it should be considered both a server and client.
}}




{{Clear}}
{{Clear}}
== Arma 3 ==
== {{arma3}} ==


{| class="wikitable"
{| class="wikitable"
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| Functions with ''recompile'' attribute are recompiled
| Functions with ''recompile'' attribute are recompiled
| All
| All
| {{Checkbox|yes}}
| {{Icon|checked}}
| [[Arma 3 Functions Library]]
| [[Arma 3: Functions Library]]
|
|
|
|
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| Functions with ''preInit'' attribute are called
| Functions with ''preInit'' attribute are called
| All
| All
| {{Checkbox|yes}}
| {{Icon|checked}}
| [[Arma 3 Functions Library]]
| [[Arma 3: Functions Library]]
| [[Scheduler#Unscheduled Environment|Unscheduled]]
| [[Scheduler#Unscheduled Environment|Unscheduled]]
|
|
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| Object Init Event Handlers are called
| Object Init Event Handlers are called
| All
| All
| {{Checkbox|no}}
| {{Icon|unchecked}}
|
|
| [[Scheduler#Unscheduled Environment|Unscheduled]]
| [[Scheduler#Unscheduled Environment|Unscheduled]]
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|-
|-
| Expressions of Eden Editor entity attributes are called
| Expressions of Eden Editor entity attributes are called
| <!-- network -->
| Server
| {{Checkbox|no}}
| {{Icon|unchecked}}
| [[Eden Editor: Configuring Attributes]]
| [[Eden Editor: Configuring Attributes]]
| [[Scheduler#Unscheduled Environment|Unscheduled]]
| [[Scheduler#Unscheduled Environment|Unscheduled]]
| They are called on the server. <code>[[isPlayer]] _entity;</code> does not return true immediately. Once entity has become a [[player]], the entity is transfered to the client.
| <sqf inline>isPlayer _entity</sqf> does not return [[true]] immediately. Once the entity has become a [[player]], it is transfered to the client.
|-
|-
| Object initialisation fields are called
| Object initialisation fields are called
| All
| All
| {{Checkbox|yes}}
| {{Icon|checked}}
|
|
| [[Scheduler#Unscheduled Environment|Unscheduled]]
| [[Scheduler#Unscheduled Environment|Unscheduled]]
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| [[Event Scripts#init.sqs|init.sqs]] is executed
| [[Event Scripts#init.sqs|init.sqs]] is executed
| Singleplayer
| Singleplayer
| <small>N/A</small>
| {{n/a}}
| [[Event Scripts]]
| [[Event Scripts]]
|
|
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| [[Event Scripts#init.sqf|init.sqf]] is executed
| [[Event Scripts#init.sqf|init.sqf]] is executed
| Singleplayer
| Singleplayer
| <small>N/A</small>
| {{n/a}}
| [[Event Scripts]]
| [[Event Scripts]]
| [[Scheduler#Scheduled Environment|Scheduled]]<ref name="enginewaits">Note that while the environment is [[Scheduler#Scheduled Environment|Scheduled]] ([[canSuspend]] returns true), the engine seems to wait until the script is done executing, essentially behaving similarly to an [[Scheduler#Unscheduled Environment|Unscheduled environment]] - infinite loops will freeze the game, uiSleep may pause the game for up to ~20secs (postInit), etc.</ref>
| [[Scheduler#Scheduled Environment|Scheduled]]<ref name="enginewaits">Note '''in single player''' that while the environment is [[Scheduler#Scheduled Environment|Scheduled]] ([[canSuspend]] returns true), the engine seems to wait until the script is done executing, essentially behaving similarly to an [[Scheduler#Unscheduled Environment|Unscheduled environment]] - infinite loops will freeze the game, [[uiSleep]] may pause the game for up to ~20s (postInit), [[waitUntil]] can cause catastrophic issues, etc.</ref>
|
|
|-
|-
| Expressions of Eden Editor scenario attributes are called
| Expressions of Eden Editor scenario attributes are called
| All
| All
| {{Checkbox|yes}}
| {{Icon|checked}}
| [[Eden Editor: Configuring Attributes]]
| [[Eden Editor: Configuring Attributes]]
| [[Scheduler#Unscheduled Environment|Unscheduled]]
| [[Scheduler#Unscheduled Environment|Unscheduled]]
| [[player]] is not available immediately.
| [[player]] is not available immediately.
|-
|- style="background-color: #95DEF0"
| Persistent functions are called
| Persistent functions are called
| Client
| Client
| {{Checkbox|yes}}
| {{Icon|checked}}
| [[BIS_fnc_MP]]
| [[Arma 3: Remote Execution]], [[BIS_fnc_MP]]
|
|
|
|
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| Modules are initialised
| Modules are initialised
| All
| All
| {{Checkbox|no}}
| {{Icon|unchecked}}
|
|
|
|
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| [[Event Scripts#initServer.sqf|initServer.sqf]] is executed
| [[Event Scripts#initServer.sqf|initServer.sqf]] is executed
| Server
| Server
| <small>N/A</small>
| {{n/a}}
| [[Event Scripts]]
| [[Event Scripts]]
| [[Scheduler#Scheduled Environment|Scheduled]]
| [[Scheduler#Scheduled Environment|Scheduled]]
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| [[Event Scripts#initPlayerLocal.sqf|initPlayerLocal.sqf]] is executed
| [[Event Scripts#initPlayerLocal.sqf|initPlayerLocal.sqf]] is executed
| Client
| Client
| {{Checkbox|yes}}
| {{Icon|checked}}
| [[Event Scripts]]
| [[Event Scripts]]
| [[Scheduler#Scheduled Environment|Scheduled]]
| [[Scheduler#Scheduled Environment|Scheduled]]
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| [[Event Scripts#initPlayerServer.sqf|initPlayerServer.sqf]] is executed on the server
| [[Event Scripts#initPlayerServer.sqf|initPlayerServer.sqf]] is executed on the server
| Client
| Client
| {{Checkbox|yes}}
| {{Icon|checked}}
| [[Event Scripts]]
| [[Event Scripts]]
| [[Scheduler#Scheduled Environment|Scheduled]]
| [[Scheduler#Scheduled Environment|Scheduled]]
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| Functions with ''postInit'' attribute are called
| Functions with ''postInit'' attribute are called
| All
| All
| {{Checkbox|yes}}
| {{Icon|checked}}
| [[Arma 3 Functions Library]]
| [[Arma 3: Functions Library]]
| [[Scheduler#Scheduled Environment|Scheduled]]<ref name="enginewaits"/>
| [[Scheduler#Scheduled Environment|Scheduled]]<ref name="enginewaits"/>
|
|
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| "BIS_fnc_init" variable is set to true
| "BIS_fnc_init" variable is set to true
| All
| All
| {{Checkbox|yes}}
| {{Icon|checked}}
| [[Arma 2: Functions Library]]
| [[Arma 2: Functions Library]]
|
|
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| [[Event Scripts#init.sqs|init.sqs]] is executed
| [[Event Scripts#init.sqs|init.sqs]] is executed
| Multiplayer
| Multiplayer
| {{Checkbox|yes}}
| {{Icon|checked}}
| [[Event Scripts]]
| [[Event Scripts]]
| [[Scheduler#Scheduled Environment|Scheduled]]
| [[Scheduler#Scheduled Environment|Scheduled]]
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| [[Event Scripts#init.sqf|init.sqf]] is executed
| [[Event Scripts#init.sqf|init.sqf]] is executed
| Multiplayer
| Multiplayer
| {{Checkbox|yes}}
| {{Icon|checked}}
| [[Event Scripts]]
| [[Event Scripts]]
| [[Scheduler#Scheduled Environment|Scheduled]]
| [[Scheduler#Scheduled Environment|Scheduled]]

Latest revision as of 10:38, 6 May 2024

Whenever a mission is launched (or joined in Multiplayer) certain tasks are performed to ensure the mission's various components are initialised correctly and that everyone is synced in multiplayer games (particularly JIP players). Initialisation order refers to the order in which those tasks are executed and it is important to take into account when setting up the start of a mission.

Event Scripts are a key part of a mission's initialisation order and will be utilised often when working with SQF.


Key
Item Meaning
Single Player Only
Multiplayer Only
Order is not guaranteed

Take note that the order of initialisation is different in single player and multiplayer environments. If an entry is unmarked then it applies to both.

ⓘ
In multiplayer the following is relevant to every machine including the server and headless clients. If the server is non-dedicated then it should be considered both a server and client.


Arma 3

Order of Initialisation (From First to Last)
Task Applies To JIP Related To Exec Environment Notes
Functions with recompile attribute are recompiled All Checked Arma 3: Functions Library
Functions with preInit attribute are called All Checked Arma 3: Functions Library Unscheduled
Object Init Event Handlers are called All Unchecked Unscheduled
Expressions of Eden Editor entity attributes are called Server Unchecked Eden Editor: Configuring Attributes Unscheduled isPlayer _entity does not return true immediately. Once the entity has become a player, it is transfered to the client.
Object initialisation fields are called All Checked Unscheduled
init.sqs is executed Singleplayer N/A Event Scripts
init.sqf is executed Singleplayer N/A Event Scripts Scheduled[1]
Expressions of Eden Editor scenario attributes are called All Checked Eden Editor: Configuring Attributes Unscheduled player is not available immediately.
Persistent functions are called Client Checked Arma 3: Remote Execution, BIS_fnc_MP
Modules are initialised All Unchecked
initServer.sqf is executed Server N/A Event Scripts Scheduled
initPlayerLocal.sqf is executed Client Checked Event Scripts Scheduled
initPlayerServer.sqf is executed on the server Client Checked Event Scripts Scheduled
Functions with postInit attribute are called All Checked Arma 3: Functions Library Scheduled[1]
"BIS_fnc_init" variable is set to true All Checked Arma 2: Functions Library
init.sqs is executed Multiplayer Checked Event Scripts Scheduled
init.sqf is executed Multiplayer Checked Event Scripts Scheduled
  1. ↑ 1.0 1.1 Note in single player that while the environment is Scheduled (canSuspend returns true), the engine seems to wait until the script is done executing, essentially behaving similarly to an Unscheduled environment - infinite loops will freeze the game, uiSleep may pause the game for up to ~20s (postInit), waitUntil can cause catastrophic issues, etc.
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