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Add functionality to Service

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Add ability to auto-launch and obtain instance of
a `Service` with a single command.

Add `Service`-specific events `Launch()` / `ShutDown()`

Add ability to auto-register required listeners on launch.
This commit is contained in:
Anton Tarasenko 2020-07-18 02:28:40 +07:00
parent b954c718aa
commit 341c4aaf89
1 changed files with 56 additions and 3 deletions
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59
sources/Core/Service.uc
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@ -1,7 +1,7 @@
/**
* Parent class for all services used in Acedia.
* Currently simply makes itself server-only.
* Copyright 2019 Anton Tarasenko
* Copyright 2020 Anton Tarasenko
*------------------------------------------------------------------------------
* This file is part of Acedia.
*
@ -21,8 +21,61 @@
class Service extends Singleton
abstract;
// Listeners listed here will be automatically activated.
var public const array< class<Listener> > requiredListeners;
// Enables feature of given class.
public static final function Service Require()
{
local Service newInstance;
if (IsRunning())
{
return Service(GetInstance());
}
default.blockSpawning = false;
newInstance = class'Acedia'.static.GetInstance().Spawn(default.class);
default.blockSpawning = true;
return newInstance;
}
// Whether service is currently running is determined by
public static final function bool IsRunning()
{
return (GetInstance() != none);
}
protected function OnLaunch(){}
protected function OnShutdown(){}
protected function OnCreated()
{
default.blockSpawning = true;
SetListenersActiveSatus(true);
OnLaunch();
}
protected function OnDestroyed()
{
SetListenersActiveSatus(false);
OnShutdown();
}
// Set listeners' status
private static function SetListenersActiveSatus(bool newStatus)
{
local int i;
for (i = 0; i < default.requiredListeners.length; i += 1)
{
if (default.requiredListeners[i] == none) continue;
default.requiredListeners[i].static.SetActive(newStatus);
}
}
defaultproperties
{
remoteRole = ROLE_None
DrawType = DT_None
DrawType = DT_None
// Prevent spawning this feature by any other means than 'Launch()'.
blockSpawning = true
// Features are server-only actors
remoteRole = ROLE_None
}