www.pudn.com > RCApp-src.zip > EntityManager.cpp

/* 
	RedEye Project (http://members.ozemail.com.au/~ndmcevoy/) 
	Copyright (C) 2003  Nick McEvoy 
 
	This library is free software; you can redistribute it and/or 
	modify it under the terms of the GNU Library General Public 
	License as published by the Free Software Foundation; either 
	version 2 of the License, or (at your option) any later version. 
 
	This library 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 
	Library General Public License for more details. 
 
	You should have received a copy of the GNU Library General Public 
	License along with this library; if not, write to the Free 
	Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 
 
	----------------------------------------------------------------- 
 
		Commented for use with Doxygen (http://www.doxygen.org) 
 
	----------------------------------------------------------------- 
*/ 
 
/*! \file EntityManager.cpp 
 *	\brief Entity manager. 
 * 
 *		This file contains the entity manager. 
 */ 
 
// GLUT includes 
#include  
 
// RedEye includes 
#include "EntityManager.h" 
#include "ModelManager.h" 
#include "Engine.h" 
#include "RCDefs.h" 
 
//! The one and only instance 
reEntityManager* reEntityManager::mpInstance = NULL; 
 
 
 
 
reEntityManager::reEntityManager() 
: mEntityList(false) 
{ 
} 
 
 
 
 
reEntityManager::~reEntityManager() 
{ 
	DestroyLevel(); 
	mpInstance = NULL; 
} 
 
 
 
 
reEntityManager* 
reEntityManager::GetInstance() 
{ 
	if (mpInstance == NULL) 
	{ 
		mpInstance = new reEntityManager; 
	} 
	return mpInstance; 
} 
 
 
 
 
void 
reEntityManager::CreateLevel() 
{ 
	printf("reEntityManager::CreateLevel() - creating entities...\n"); 
 
	// todo: read xml 
 
	printf("reEntityManager::CreateLevel() - done\n"); 
} 
 
 
 
 
void 
reEntityManager::DestroyLevel() 
{ 
	printf("reEntityManager::DestroyLevel() - destroying entities...\n"); 
 
	LISTPOSITION pos = mEntityList.GetHeadPosition(); 
	while (pos) 
	{ 
		reGameEntity* pGameEntity = mEntityList.GetNext(pos); 
		reGetWorld()->removeKid(pGameEntity); 
		ssgDeRefDelete(pGameEntity); 
	} 
	mEntityList.RemoveAll(); 
 
	printf("reEntityManager::DestroyLevel() - done\n"); 
} 
 
 
 
 
void 
reEntityManager::Update(float fDeltaSec) 
{ 
	LISTPOSITION pos = mEntityList.GetHeadPosition(); 
	while (pos) 
	{ 
		reGameEntity* pGameEntity = mEntityList.GetNext(pos); 
		pGameEntity->Update(fDeltaSec); 
	} 
} 
 
 
 
 
void 
reEntityManager::SpaceCollide() 
{ 
	LISTPOSITION pos = mEntityList.GetHeadPosition(); 
	while (pos) 
	{ 
		reGameEntity* pGameEntity = mEntityList.GetNext(pos); 
		pGameEntity->SpaceCollide(); 
	} 
}