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engines/grim/object.cpp

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00001 /* ResidualVM - A 3D game interpreter
00002  *
00003  * ResidualVM is the legal property of its developers, whose names
00004  * are too numerous to list here. Please refer to the COPYRIGHT
00005  * file distributed with this source distribution.
00006  *
00007  * This program is free software; you can redistribute it and/or
00008  * modify it under the terms of the GNU General Public License
00009  * as published by the Free Software Foundation; either version 2
00010  * of the License, or (at your option) 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
00020  *
00021  */
00022 
00023 #include "engines/grim/object.h"
00024 
00025 namespace Grim {
00026 
00027 int32 Object::s_id = 0;
00028 
00029 Object::Object() :
00030         _refCount(0) {
00031 
00032     ++s_id;
00033     _id = s_id;
00034 }
00035 
00036 Object::~Object() {
00037     for (Common::List<Pointer *>::iterator i = _pointers.begin(); i != _pointers.end(); ++i) {
00038         (*i)->resetPointer();
00039     }
00040 }
00041 
00042 void Object::reference() {
00043     ++_refCount;
00044 }
00045 
00046 void Object::dereference() {
00047     if (_refCount > 0) {
00048         --_refCount;
00049     }
00050 
00051     if (_refCount == 0) {
00052         _refCount = -1;
00053         delete this;
00054     }
00055 }
00056 
00057 int32 Object::getId() const {
00058     return _id;
00059 }
00060 
00061 void Object::setId(int32 id) {
00062     if (id > s_id) {
00063         s_id = id;
00064     }
00065     _id = id;
00066 }
00067 
00068 }


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