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Acedia
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Add ability to auto-create `Singleton` 

Add an optional parameter that allows to auto-spawn
`Singleton` with `GetInstance()` call.
new
Anton Tarasenko 4 years ago
parent
341c4aaf89
commit
e3f3296c2d
1 changed files with 11 additions and 4 deletions
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  1. 15
      sources/Core/Singleton.uc

15
sources/Core/Singleton.uc
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@ -32,11 +32,18 @@ var private Singleton activeInstance;
// Only a default value is ever used.
var protected bool blockSpawning;
public final static function Singleton GetInstance()
public final static function Singleton GetInstance(optional bool spawnIfMissing)
{
if (default.activeInstance != none && default.activeInstance.bPendingDelete)
return none;
return default.activeInstance;
local bool instanceExists;
instanceExists = default.activeInstance != none
&& !default.activeInstance.bPendingDelete;
if (instanceExists) {
return default.activeInstance;
}
if (spawnIfMissing) {
return class'Acedia'.static.GetInstance().Spawn(default.class);
}
return none;
}
public final static function bool IsSingletonCreationBlocked()