Locality in Multiplayer: Difference between revisions

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[[Category: Scripting_Topics ]]
#REDIRECT [[Multiplayer Scripting#Locality]]
 
Entities in OFP are handled, in multiplayer, by one computer alone, which sends updates about this entity to other computers connected to the MP game.
A unit is said "local" when it is handled by the local computer.
 
To know if a unit is local, use the [[local]] script command.
 
== Basic Rules ==
 
The basic rules to determine locality are as follows:
 
''server'' = The dedicated server or the client that is hosting the game
 
''client'' = A game instance used by a player, normally each is on a separate computer
 
* The player's unit is ''always'' local to its client
* AI units are always local to the client of their leader
* A vehicle is always local to the client of its driver
* AI leaders are always local to the server, if placed in the mission editor
* AI units created after mission start via scripting will be local to the computer that issued the command
* Empty vehicles/objects placed in the mission editor are local to the server
* Empty vehicles/objects created after mission start via scripting (with createVehicle for example) are local to the machine that issued the command
 
== Effects of different localities ==
 
Knowing locality of a unit is very important as certain command only affect local units (see [[moveInDriver]] for example).
Other commands have only local effect, nothing will be done outside of computer where the command was issued (see [[setFog]] for example).
 
A unit can change locality during its lifetime. Typical cases are a player dying (his squad AI units are passed to server), use of a [[join]] command, or units or players entering or exiting vehicles.

Latest revision as of 21:35, 31 January 2019

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