You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
55 lines
1.1 KiB
C++
55 lines
1.1 KiB
C++
/*
|
|
* Copyright (c) Contributors to the Open 3D Engine Project
|
|
*
|
|
* SPDX-License-Identifier: Apache-2.0 OR MIT
|
|
*
|
|
*/
|
|
|
|
|
|
// Description : Reference counted base object.
|
|
|
|
|
|
#ifndef CRYINCLUDE_EDITOR_UTIL_REFCOUNTBASE_H
|
|
#define CRYINCLUDE_EDITOR_UTIL_REFCOUNTBASE_H
|
|
#pragma once
|
|
|
|
#include <Include/EditorCoreAPI.h>
|
|
|
|
//! Derive from this class to get reference counting in your class.
|
|
class EDITOR_CORE_API CRefCountBase
|
|
{
|
|
public:
|
|
CRefCountBase() {}
|
|
|
|
//! Add a new reference to this object.
|
|
int AddRef()
|
|
{
|
|
m_nRefCount++;
|
|
return m_nRefCount;
|
|
}
|
|
|
|
//! Release reference to this object.
|
|
//! When the reference count reaches zero, the object is deleted.
|
|
int Release()
|
|
{
|
|
int refs = --m_nRefCount;
|
|
if (m_nRefCount == 0)
|
|
{
|
|
delete this;
|
|
}
|
|
else if (m_nRefCount < 0)
|
|
{
|
|
CryFatalError("Negative ref count");
|
|
}
|
|
return refs;
|
|
}
|
|
|
|
protected:
|
|
virtual ~CRefCountBase() {}
|
|
|
|
private:
|
|
int m_nRefCount = 0;
|
|
};
|
|
|
|
#endif // CRYINCLUDE_EDITOR_UTIL_REFCOUNTBASE_H
|