r2mods/ilspy_dump/ror2_csproj/SingletonHelper.cs

42 lines
916 B
C#
Raw Normal View History

2024-10-04 07:26:37 +00:00
using UnityEngine;
public static class SingletonHelper
{
public static void Assign<T>(ref T field, T instance) where T : Object
{
if (!field)
{
field = instance;
return;
}
Debug.LogErrorFormat(instance, "Duplicate instance of singleton class {0}. Only one should exist at a time.", typeof(T).Name);
}
public static void Unassign<T>(ref T field, T instance) where T : Object
{
if (field == instance)
{
field = null;
}
}
public static T Assign<T>(T existingInstance, T instance) where T : Object
{
if (!existingInstance)
{
return instance;
}
Debug.LogErrorFormat(instance, "Duplicate instance of singleton class {0}. Only one should exist at a time.", typeof(T).Name);
return existingInstance;
}
public static T Unassign<T>(T existingInstance, T instance) where T : Object
{
if (instance == existingInstance)
{
return null;
}
return existingInstance;
}
}