The Mana World: tmw/src/resources/resource.cpp Source File

00001 /*
00002  *  The Mana World
00003  *  Copyright (C) 2004  The Mana World Development Team
00004  *
00005  *  This file is part of The Mana World.
00006  *
00007  *  This program is free software; you can redistribute it and/or modify
00008  *  it under the terms of the GNU General Public License as published by
00009  *  the Free Software Foundation; either version 2 of the License, or
00010  *  any later version.
00011  *
00012  *  This program is distributed in the hope that it will be useful,
00013  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
00014  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00015  *  GNU General Public License for more details.
00016  *
00017  *  You should have received a copy of the GNU General Public License
00018  *  along with this program; if not, write to the Free Software
00019  *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
00020  */
00021 
00022 #include "resources/resource.h"
00023 
00024 #include "resources/resourcemanager.h"
00025 
00026 #include <cassert>
00027 
00028 Resource::~Resource()
00029 {
00030 }
00031 
00032 void Resource::incRef()
00033 {
00034     mRefCount++;
00035 }
00036 
00037 void Resource::decRef()
00038 {
00039     // Reference may not already have reached zero
00040     assert(mRefCount != 0);
00041 
00042     mRefCount--;
00043 
00044     if (mRefCount == 0)
00045     {
00046         // Warn the manager that this resource is no longer used.
00047         ResourceManager *resman = ResourceManager::getInstance();
00048         resman->release(this);
00049     }
00050 }