81 lines
2.6 KiB
C
81 lines
2.6 KiB
C
/*
|
|
This file is part of Warzone 2100.
|
|
Copyright (C) 1999-2004 Eidos Interactive
|
|
Copyright (C) 2005-2007 Warzone Resurrection Project
|
|
|
|
Warzone 2100 is free software; you can redistribute it and/or modify
|
|
it under the terms of the GNU General Public License as published by
|
|
the Free Software Foundation; either version 2 of the License, or
|
|
(at your option) any later version.
|
|
|
|
Warzone 2100 is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with Warzone 2100; if not, write to the Free Software
|
|
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
|
|
*/
|
|
/***************************************************************************/
|
|
/*! \file pqueue.h
|
|
* \brief Priority queue code
|
|
*
|
|
*/
|
|
/***************************************************************************/
|
|
|
|
#ifndef _PQUEUE_H_
|
|
#define _PQUEUE_H_
|
|
|
|
/***************************************************************************/
|
|
|
|
typedef void (* QUEUE_CLEAR_FUNC) ( void *psElement );
|
|
|
|
typedef struct QUEUE_NODE
|
|
{
|
|
void * psElement;
|
|
int iPriority;
|
|
struct QUEUE_NODE * psPrev;
|
|
struct QUEUE_NODE * psNext;
|
|
}
|
|
QUEUE_NODE;
|
|
|
|
typedef struct QUEUE
|
|
{
|
|
QUEUE_NODE * psFreeNodeList;
|
|
QUEUE_NODE * psNodeQHead;
|
|
QUEUE_NODE * psCurNode;
|
|
int iElementSize;
|
|
int iMaxElements;
|
|
int iFreeNodes;
|
|
int iQueueNodes;
|
|
|
|
QUEUE_CLEAR_FUNC pfClearFunc;
|
|
}
|
|
QUEUE;
|
|
|
|
/***************************************************************************/
|
|
|
|
extern BOOL queue_Init( QUEUE ** ppQueue, int iMaxElements,
|
|
int iElementSize,
|
|
QUEUE_CLEAR_FUNC pfClearFunc );
|
|
extern void queue_Destroy( QUEUE * pQueue );
|
|
extern void queue_Clear( QUEUE * pQueue );
|
|
|
|
extern void queue_Enqueue( QUEUE * pQueue, void * psElement,
|
|
int iPriority );
|
|
extern void * queue_Dequeue( QUEUE * pQueue );
|
|
extern QUEUE_NODE * queue_FindElement( QUEUE * pQueue, void * psElement );
|
|
extern BOOL queue_RemoveElement( QUEUE * pQueue, void * psElement );
|
|
extern void * queue_GetHead( QUEUE * pQueue );
|
|
extern void * queue_GetNext( QUEUE * pQueue );
|
|
extern BOOL queue_RemoveCurrent( QUEUE * pQueue );
|
|
extern BOOL queue_RemoveNode( QUEUE * pQueue, QUEUE_NODE *psNode );
|
|
extern SDWORD queue_GetFreeElements( QUEUE * pQueue );
|
|
|
|
/***************************************************************************/
|
|
|
|
#endif // _PQUEUE_H_
|
|
|
|
/***************************************************************************/
|