Object

net.psforever.objects

LivePlayerList

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object LivePlayerList

A class for storing Player mappings for users that are currently online. The mapping system is tightly coupled between the Avatar class and to an instance of WorldSessionActor.
Use:
1) When a users logs in during WorldSessionActor, associate that user's session id and their character (avatar).
       LivePlayerList.Add(session, avatar)
2) In between the previous two steps, a range of characters may be queried based on provided statistics.
       LivePlayerList.WorldPopulation(...)
3) When the user leaves the game entirely, his character's entry is removed from the mapping.
       LivePlayerList.Remove(session)

Source
LivePlayerList.scala
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  4. def Add(sessionId: Long, avatar: Avatar): Boolean

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    Create a mapped entry between the user's session and a user's character.

    Create a mapped entry between the user's session and a user's character. Neither the player nor the session may exist in the current mappings if this is to work.

    sessionId

    the session

    avatar

    the character

    returns

    true, if the session was association was made; false, otherwise

  5. def Remove(sessionId: Long): Option[Avatar]

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    Remove all entries related to the given session identifier from the mappings.

    Remove all entries related to the given session identifier from the mappings. The character no longer counts as "online."

    sessionId

    the session

    returns

    any character that was afffected by the mapping removal

  6. def Shutdown: List[Avatar]

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    Hastily remove all mappings and ids.

    Hastily remove all mappings and ids.

    returns

    an unsorted list of the characters that were still online

  7. def WorldPopulation(predicate: (Tuple2[_, Avatar]) ⇒ Boolean): List[Avatar]

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    Given some criteria, examine the mapping of user characters and find the ones that fulfill the requirements.

    Note the signature carefully.

    Given some criteria, examine the mapping of user characters and find the ones that fulfill the requirements.

    Note the signature carefully. A two-element tuple is checked, but only the second element of that tuple - a Player - is eligible for being queried. The first element is ignored. Even a predicate as simple as { case ((x : Long, _)) => x > 0 } will not work for that reason.

    predicate

    the conditions for filtering the live Players

    returns

    a list of users's Players that fit the criteria

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