FIFE  2008.0
renderitem.cpp
00001 /***************************************************************************
00002  *   Copyright (C) 2005-2008 by the FIFE team                              *
00003  *   http://www.fifengine.de                                               *
00004  *   This file is part of FIFE.                                            *
00005  *                                                                         *
00006  *   FIFE is free software; you can redistribute it and/or                 *
00007  *   modify it under the terms of the GNU Lesser General Public            *
00008  *   License as published by the Free Software Foundation; either          *
00009  *   version 2.1 of the License, or (at your option) any later version.    *
00010  *                                                                         *
00011  *   This library is distributed in the hope that it will be useful,       *
00012  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
00013  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU     *
00014  *   Lesser General Public License for more details.                       *
00015  *                                                                         *
00016  *   You should have received a copy of the GNU Lesser General Public      *
00017  *   License along with this library; if not, write to the                 *
00018  *   Free Software Foundation, Inc.,                                       *
00019  *   51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA          *
00020  ***************************************************************************/
00021 
00022 // Standard C++ library includes
00023 
00024 // 3rd party library includes
00025 
00026 // FIFE includes
00027 // These includes are split up in two parts, separated by one empty line
00028 // First block: files included from the FIFE root src directory
00029 // Second block: files included from the same folder
00030 #include "model/structures/instance.h"
00031 #include "model/metamodel/object.h"
00032 #include "model/metamodel/action.h"
00033 #include "util/resource/pool.h"
00034 
00035 #include "visual.h"
00036 #include "renderitem.h"
00037 
00038 namespace FIFE {
00039     const int STATIC_IMAGE_NOT_INITIALIZED = -2;
00040 
00041     RenderItem::RenderItem():
00042         screenpoint(),
00043         dimensions(),
00044         image(NULL),
00045         m_cached_static_img_id(STATIC_IMAGE_NOT_INITIALIZED),
00046         m_cached_static_img_angle(0) {
00047     }
00048 
00049     int RenderItem::getStaticImageIndexByAngle(unsigned int angle, Instance* instance) {
00050         if (static_cast<int>(angle) != m_cached_static_img_angle) {
00051             m_cached_static_img_id = STATIC_IMAGE_NOT_INITIALIZED;
00052         }
00053         if (m_cached_static_img_id != STATIC_IMAGE_NOT_INITIALIZED) {
00054             return m_cached_static_img_id;
00055         }
00056         if(!instance->getObject()->getVisual<ObjectVisual>())
00057             return Pool::INVALID_ID;
00058         m_cached_static_img_id = instance->getObject()->getVisual<ObjectVisual>()->getStaticImageIndexByAngle(angle);
00059         m_cached_static_img_angle = angle;
00060         return m_cached_static_img_id;
00061     }
00062 }