Revert "Core/RefCounted: Remove persistent boolean"

This reverts commit db2ef3e90c3871290d114a9e6437b412e96c65aa [formerly a3f6ff88a25e63374eb6ce5b18269da2ba743b06] [formerly cfa12604fbb0da76fc27288b210ee1254a8b3a38 [formerly dee6ce858398e2de38ef1af00c1c630fd0126e09]] [formerly 1a23f0fddcd80ac33030061b7a00a3cfd43cb7fe [formerly d3cb17069c71449ae3f1cba6de55ea70f509e7a4] [formerly b2f8f82e9f3427310204f2e8a61d7bdfd96202d2 [formerly 5d117720d08d6d6243b3428d4b3f8aea1abef845]]].


Former-commit-id: a7af09faec974d268de6680f2c0c16d531048935 [formerly 37761044d13cf2e2041c9eed9ff113a41efd87f8] [formerly ae05b7afb5f43daf90cd8182bf24c98067be4d16 [formerly 6633982a51ba117a749f08efda338455eabe59b3]]
Former-commit-id: a4c99f7c8c26a0c1276eb5262871a1964d470bfb [formerly 741d46a0838a64e92aaa46fe563493da10d62c98]
Former-commit-id: fe30e63aeb19e56fa64447bdd884766f84f305dd

src/Nazara/Core/RefCounted.cpp

@@ -23,10 +23,13 @@ namespace Nz
 	*/
 
 	/*!
-	* \brief Constructs a RefCounted object
+	* \brief Constructs a RefCounted object with a persistance aspect
+	*
+	* \param persistent if false, object is destroyed when no more referenced
 	*/
 
-	RefCounted::RefCounted() :
+	RefCounted::RefCounted(bool persistent) :
+	m_persistent(persistent),
 	m_referenceCount(0)
 	{
 	}
@@ -64,6 +67,16 @@ namespace Nz
 		return m_referenceCount;
 	}
 
+	/*!
+	* \brief Checks whether the object is persistent
+	* \return true if object is not destroyed when no more referenced
+	*/
+
+	bool RefCounted::IsPersistent() const
+	{
+		return m_persistent;
+	}
+
 	/*!
 	* \brief Removes a reference to the object
 	* \return true if object is deleted because no more referenced
@@ -81,7 +94,7 @@ namespace Nz
 		}
 		#endif
 
-		if (--m_referenceCount == 0)
+		if (--m_referenceCount == 0 && !m_persistent)
 		{
 			delete this; // Suicide
 
@@ -90,4 +103,26 @@ namespace Nz
 		else
 			return false;
 	}
+
+	/*!
+	* \brief Sets the persistence of the object
+	* \return true if object is deleted because no more referenced
+	*
+	* \param persistent Sets the persistence of the object
+	* \param checkReferenceCount Checks if the object should be destroyed if true
+	*/
+
+	bool RefCounted::SetPersistent(bool persistent, bool checkReferenceCount)
+	{
+		m_persistent = persistent;
+
+		if (checkReferenceCount && !persistent && m_referenceCount == 0)
+		{
+			delete this;
+
+			return true;
+		}
+		else
+			return false;
+	}
 }