Update from SDK 2013

common/GameUI/ObjectList.h

@@ -0,0 +1,58 @@
+//========= 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