464 lines
9.2 KiB
C++
464 lines
9.2 KiB
C++
//-----------------------------------------------------------------------------
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//
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// $Logfile:: /Quake 2 Engine/Sin/code/game/container.h $
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// $Revision:: 17 $
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// $Author:: Jimdose $
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// $Date:: 10/25/98 11:53p $
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//
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// Copyright (C) 1997 by Ritual Entertainment, Inc.
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// All rights reserved.
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//
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// This source is may not be distributed and/or modified without
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// expressly written permission by Ritual Entertainment, Inc.
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//
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// $Log:: /Quake 2 Engine/Sin/code/game/container.h $
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//
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// 17 10/25/98 11:53p Jimdose
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// added EXPORT_TEMPLATE
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//
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// 16 10/07/98 11:45p Jimdose
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// Added \n to dprintf's
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// Made resize assert only when size was negative
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//
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// 15 9/21/98 6:01p Markd
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// tried putting archiving back in, but took it out again, when I realized it
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// wouldn't work because the class hierarchy hasn't been created yet.
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//
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// 14 9/21/98 4:21p Markd
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// Put in archive functions and rewrote all archive routines
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//
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// 13 8/20/98 4:42p Jimdose
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// Added Sort function.
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//
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// 12 7/09/98 1:40a Jimdose
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// ClearObjectList now only reallocates the list if there are any objects in
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// the list
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//
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// 11 5/25/98 2:29p Aldie
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// Fixed issues with not loading game dll
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//
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// 10 3/23/98 1:33p Jimdose
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// Revamped event and command system
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//
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// 9 3/04/98 1:43p Jimdose
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// Changed IndexOfObject so that it did a comparison instead of a memcmp
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//
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// 8 3/02/98 5:27p Jimdose
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// Changed Container to a template to make it more flexible
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//
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// 7 2/03/98 10:51a Jimdose
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// Updated to work with Quake 2 engine
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//
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// 5 11/20/97 9:03p Jimdose
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// Changed Container class to use entity # (int) instead of void *
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//
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// 4 11/07/97 6:37p Jimdose
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// Added FreeObjectList to empty the list and free up the memory.
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// Changed ClearObjectList to only empty the list, but keep the memory
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// allocated.
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// Changed all functions from being virtual to being exported by the DLL.
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//
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// 3 10/27/97 2:49p Jimdose
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// Removed dependency on quakedef.h
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//
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// 2 9/26/97 6:13p Jimdose
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// Added standard Ritual headers
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//
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// DESCRIPTION:
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// Base class for a dynamic array. Allows adding, removing, index of,
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// and finding of entries with specified value. Originally created for
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// cataloging entities, but pointers to objects that may be removed at
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// any time are bad to keep around, so only entity numbers should be
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// used in the future.
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//
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#ifndef __CONTAINER_H__
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#define __CONTAINER_H__
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#include "g_local.h"
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#include <stdlib.h>
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template< class Type >
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class EXPORT_FROM_DLL Container
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{
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private:
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Type *objlist;
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int numobjects;
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int maxobjects;
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public:
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Container();
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~Container<Type>();
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void FreeObjectList( void );
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void ClearObjectList( void );
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int NumObjects( void );
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void Resize( int maxelements );
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void SetObjectAt( int index, Type& obj );
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int AddObject( Type& obj );
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int AddUniqueObject( Type& obj );
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void AddObjectAt( int index, Type& obj );
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int IndexOfObject( Type& obj );
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qboolean ObjectInList( Type& obj );
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Type& ObjectAt( int index );
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Type *AddressOfObjectAt( int index );
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void RemoveObjectAt( int index );
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void RemoveObject( Type& obj );
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void Sort( int ( __cdecl *compare )( const void *elem1, const void *elem2 ) );
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// virtual void Archive( Archiver &arc );
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// virtual void Unarchive( Archiver &arc );
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};
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/*
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template< class Type >
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EXPORT_FROM_DLL void Container<Type>::Archive
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(
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Archiver &arc
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)
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{
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int i;
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arc.WriteInteger( maxobjects );
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arc.WriteInteger( numobjects );
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for ( i = 0; i < numobjects; i++ )
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{
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arc.WriteRaw( objlist[ i ], sizeof( Type ) );
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}
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}
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template< class Type >
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EXPORT_FROM_DLL void Container<Type>::Unarchive
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(
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Archiver &arc
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)
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{
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int i;
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FreeObjectList();
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maxobjects = arc.ReadInteger();
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numobjects = arc.ReadInteger();
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objlist = new Type[ maxobjects ];
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for ( i = 0; i < numobjects; i++ )
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{
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arc.ReadRaw( &objlist[ i ], sizeof( Type ) );
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}
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}
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*/
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template< class Type >
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Container<Type>::Container()
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{
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objlist = NULL;
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FreeObjectList();
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}
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template< class Type >
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Container<Type>::~Container<Type>()
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{
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FreeObjectList();
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}
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template< class Type >
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EXPORT_FROM_DLL void Container<Type>::FreeObjectList
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(
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void
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)
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{
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if ( objlist )
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{
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delete[] objlist;
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}
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objlist = NULL;
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numobjects = 0;
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maxobjects = 0;
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}
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template< class Type >
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EXPORT_FROM_DLL void Container<Type>::ClearObjectList
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(
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void
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)
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{
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// only delete the list if we have objects in it
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if ( objlist && numobjects )
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{
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delete[] objlist;
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objlist = new Type[ maxobjects ];
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numobjects = 0;
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}
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}
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template< class Type >
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EXPORT_FROM_DLL int Container<Type>::NumObjects
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(
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void
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)
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{
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return numobjects;
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}
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template< class Type >
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EXPORT_FROM_DLL void Container<Type>::Resize
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(
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int maxelements
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)
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{
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Type *temp;
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int i;
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assert( maxelements >= 0 );
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if ( maxelements <= 0 )
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{
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FreeObjectList();
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return;
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}
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if ( !objlist )
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{
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maxobjects = maxelements;
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objlist = new Type[ maxobjects ];
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}
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else
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{
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temp = objlist;
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maxobjects = maxelements;
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if ( maxobjects < numobjects )
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{
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maxobjects = numobjects;
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}
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objlist = new Type[ maxobjects ];
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for( i = 0; i < numobjects; i++ )
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{
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objlist[ i ] = temp[ i ];
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}
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delete[] temp;
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}
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}
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template< class Type >
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EXPORT_FROM_DLL void Container<Type>::SetObjectAt
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(
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int index,
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Type& obj
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)
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{
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if ( ( index <= 0 ) || ( index > numobjects ) )
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{
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gi.error( "Container::SetObjectAt : index out of range" );
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}
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objlist[ index - 1 ] = obj;
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}
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template< class Type >
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EXPORT_FROM_DLL int Container<Type>::AddObject
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(
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Type& obj
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)
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{
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if ( !objlist )
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{
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Resize( 10 );
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}
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if ( numobjects == maxobjects )
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{
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Resize( maxobjects * 2 );
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}
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objlist[ numobjects ] = obj;
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numobjects++;
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return numobjects;
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}
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template< class Type >
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EXPORT_FROM_DLL int Container<Type>::AddUniqueObject
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(
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Type& obj
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)
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{
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int index;
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index = IndexOfObject( obj );
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if ( !index )
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index = AddObject( obj );
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return index;
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}
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template< class Type >
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EXPORT_FROM_DLL void Container<Type>::AddObjectAt
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(
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int index,
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Type& obj
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)
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{
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//
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// this should only be used when reconstructing a list that has to be identical to the original
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//
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if ( index > maxobjects )
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{
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Resize( index );
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}
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if ( index > numobjects )
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{
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numobjects = index;
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}
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SetObjectAt( index, obj );
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}
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template< class Type >
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EXPORT_FROM_DLL int Container<Type>::IndexOfObject
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(
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Type& obj
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)
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{
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int i;
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for( i = 0; i < numobjects; i++ )
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{
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if ( objlist[ i ] == obj )
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{
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return i + 1;
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}
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}
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return 0;
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}
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template< class Type >
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EXPORT_FROM_DLL qboolean Container<Type>::ObjectInList
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(
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Type& obj
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)
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{
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if ( !IndexOfObject( obj ) )
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{
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return false;
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}
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return true;
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}
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template< class Type >
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EXPORT_FROM_DLL Type& Container<Type>::ObjectAt
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(
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int index
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)
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{
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if ( ( index <= 0 ) || ( index > numobjects ) )
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{
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gi.error( "Container::ObjectAt : index out of range" );
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}
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return objlist[ index - 1 ];
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}
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template< class Type >
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EXPORT_FROM_DLL Type * Container<Type>::AddressOfObjectAt
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(
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int index
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)
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{
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//
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// this should only be used when reconstructing a list that has to be identical to the original
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//
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if ( index > maxobjects )
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{
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gi.error( "Container::AddressOfObjectAt : index is greater than maxobjects" );
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}
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if ( index > numobjects )
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{
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numobjects = index;
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}
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return &objlist[ index - 1 ];
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}
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template< class Type >
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EXPORT_FROM_DLL void Container<Type>::RemoveObjectAt
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(
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int index
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)
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{
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int i;
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if ( !objlist )
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{
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gi.dprintf( "Container::RemoveObjectAt : Empty list\n" );
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return;
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}
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if ( ( index <= 0 ) || ( index > numobjects ) )
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{
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gi.error( "Container::RemoveObjectAt : index out of range" );
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return;
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}
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i = index - 1;
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numobjects--;
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for( i = index - 1; i < numobjects; i++ )
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{
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objlist[ i ] = objlist[ i + 1 ];
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}
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}
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template< class Type >
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EXPORT_FROM_DLL void Container<Type>::RemoveObject
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(
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Type& obj
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)
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{
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int index;
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index = IndexOfObject( obj );
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if ( !index )
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{
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gi.dprintf( "Container::RemoveObject : Object not in list\n" );
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return;
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}
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RemoveObjectAt( index );
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}
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template< class Type >
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EXPORT_FROM_DLL void Container<Type>::Sort
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(
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int ( __cdecl *compare )( const void *elem1, const void *elem2 )
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)
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{
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if ( !objlist )
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{
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gi.dprintf( "Container::RemoveObjectAt : Empty list\n" );
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return;
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}
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qsort( ( void * )objlist, ( size_t )numobjects, sizeof( Type ), compare );
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}
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//
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// Exported templated classes must be explicitly instantiated
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//
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#ifdef EXPORT_TEMPLATE
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template class EXPORT_FROM_DLL Container<int>;
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#endif
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#endif /* container.h */
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