FIFE  2008.0
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renderitem.cpp
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2  * Copyright (C) 2005-2008 by the FIFE team *
3  * http://www.fifengine.de *
4  * This file is part of FIFE. *
5  * *
6  * FIFE is free software; you can redistribute it and/or *
7  * modify it under the terms of the GNU Lesser General Public *
8  * License as published by the Free Software Foundation; either *
9  * version 2.1 of the License, or (at your option) any later version. *
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11  * This library is distributed in the hope that it will be useful, *
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13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU *
14  * Lesser General Public License for more details. *
15  * *
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20  ***************************************************************************/
21 
22 // Standard C++ library includes
23 
24 // 3rd party library includes
25 
26 // FIFE includes
27 // These includes are split up in two parts, separated by one empty line
28 // First block: files included from the FIFE root src directory
29 // Second block: files included from the same folder
30 #include "model/structures/instance.h"
31 #include "model/metamodel/object.h"
32 #include "model/metamodel/action.h"
33 #include "util/resource/pool.h"
34 
35 #include "visual.h"
36 #include "renderitem.h"
37 
38 namespace FIFE {
39  const int STATIC_IMAGE_NOT_INITIALIZED = -2;
40 
41  RenderItem::RenderItem():
42  screenpoint(),
43  dimensions(),
44  image(NULL),
45  m_cached_static_img_id(STATIC_IMAGE_NOT_INITIALIZED),
46  m_cached_static_img_angle(0) {
47  }
48 
49  int RenderItem::getStaticImageIndexByAngle(unsigned int angle, Instance* instance) {
50  if (static_cast<int>(angle) != m_cached_static_img_angle) {
51  m_cached_static_img_id = STATIC_IMAGE_NOT_INITIALIZED;
52  }
53  if (m_cached_static_img_id != STATIC_IMAGE_NOT_INITIALIZED) {
54  return m_cached_static_img_id;
55  }
56  if(!instance->getObject()->getVisual<ObjectVisual>())
57  return Pool::INVALID_ID;
58  m_cached_static_img_id = instance->getObject()->getVisual<ObjectVisual>()->getStaticImageIndexByAngle(angle);
59  m_cached_static_img_angle = angle;
60  return m_cached_static_img_id;
61  }
62 }