source-engine-2018-hl2_src/common/GameUI/ObjectList.h

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2020-04-23 00:56:21 +08:00
//========= Copyright Valve Corporation, All rights reserved. ============//
//
// Purpose:
//
// $NoKeywords: $
//
//=============================================================================//
// ObjectList.h: interface for the ObjectList class.
//
//////////////////////////////////////////////////////////////////////
#ifndef OBJECTLIST_H
#define OBJECTLIST_H
#pragma once
#include "IObjectContainer.h" // Added by ClassView
class ObjectList : public IObjectContainer
{
public:
void Init();
bool Add( void * newObject );
void * GetFirst();
void * GetNext();
ObjectList();
virtual ~ObjectList();
void Clear( bool freeElementsMemory );
int CountElements();
void * RemoveTail();
void * RemoveHead();
bool AddTail(void * newObject);
bool AddHead(void * newObject);
bool Remove(void * object);
bool Contains(void * object);
bool IsEmpty();
typedef struct element_s {
element_s * prev; // pointer to the last element or NULL
element_s * next; // pointer to the next elemnet or NULL
void * object; // the element's object
} element_t;
protected:
element_t * head; // first element in list
element_t * tail; // last element in list
element_t * current; // current element in list
int number;
};
#endif // !defined