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annotate engine/core/model/structures/instancetree.cpp @ 625:92290efadab7

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* This fixes a small bug that causes some primitives to not be rendered by the OpenGL renderbackend
author prock@33b003aa-7bff-0310-803a-e67f0ece8222
date Fri, 01 Oct 2010 21:27:37 +0000
parents 0fd74235b34d
children
rev   line source
0
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1 /***************************************************************************
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2 * Copyright (C) 2005-2008 by the FIFE team *
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3 * http://www.fifengine.de *
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4 * This file is part of FIFE. *
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5 * *
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6 * FIFE is free software; you can redistribute it and/or *
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7 * modify it under the terms of the GNU Lesser General Public *
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8 * License as published by the Free Software Foundation; either *
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9 * version 2.1 of the License, or (at your option) any later version. *
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10 * *
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11 * This library is distributed in the hope that it will be useful, *
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12 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
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13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU *
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14 * Lesser General Public License for more details. *
0
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15 * *
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16 * You should have received a copy of the GNU Lesser General Public *
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17 * License along with this library; if not, write to the *
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18 * Free Software Foundation, Inc., *
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19 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA *
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20 ***************************************************************************/
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21
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22 // Standard C++ library includes
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23
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24 // 3rd party library includes
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25
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26
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27 // FIFE includes
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28 // These includes are split up in two parts, separated by one empty line
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29 // First block: files included from the FIFE root src directory
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30 // Second block: files included from the same folder
338
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31 #include "util/base/exception.h"
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32 #include "model/structures/instance.h"
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33 #include "util/structures/rect.h"
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34
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35 #include "instancetree.h"
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36
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37
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38 namespace FIFE {
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39
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40 InstanceTree::InstanceTree(): FifeClass() {
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41 }
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42
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43 InstanceTree::~InstanceTree() {
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44 }
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45
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46 void InstanceTree::addInstance(Instance* instance) {
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47 ModelCoordinate coords = instance->getLocationRef().getLayerCoordinates();
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48 InstanceTreeNode * node = m_tree.find_container(coords.x,coords.y,0,0);
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49 InstanceList& list = node->data();
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50 list.push_back(instance);
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51 if( m_reverse.find(instance) != m_reverse.end() )
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52 throw new InconsistencyDetected("Duplicate Instance.");
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53 m_reverse[instance] = node;
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54 }
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55
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56 void InstanceTree::removeInstance(Instance* instance) {
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57 ModelCoordinate coords = instance->getLocationRef().getLayerCoordinates();
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58 InstanceTreeNode * node = m_reverse[instance];
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59 if( !node )
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60 throw new InconsistencyDetected("Removing Ghost Instance.");
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61 m_reverse.erase(instance);
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62 InstanceList& list = node->data();
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63 for(InstanceList::iterator i = list.begin(); i != list.end(); ++i) {
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64 if((*i) == instance) {
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65 list.erase(i);
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66 return;
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67 }
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68 }
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69 throw new InconsistencyDetected("Removing Ghost Instance (not in list?).");
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70 }
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71
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72 class InstanceListCollector {
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73 public:
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74 InstanceTree::InstanceList& instanceList;
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75 Rect searchRect;
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76 InstanceListCollector(InstanceTree::InstanceList& a_instanceList, const Rect& rect)
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77 : instanceList(a_instanceList), searchRect(rect) {
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78 }
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79 bool visit(InstanceTree::InstanceTreeNode* node, int d);
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80 };
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81
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82 bool InstanceListCollector::visit(InstanceTree::InstanceTreeNode* node, int d) {
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83 InstanceTree::InstanceList& list = node->data();
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84 for(InstanceTree::InstanceList::const_iterator it(list.begin()); it != list.end(); ++it) {
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85 ModelCoordinate coords = (*it)->getLocationRef().getLayerCoordinates();
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86 if( searchRect.contains(Point(coords.x,coords.y)) ) {
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87 instanceList.push_back(*it);
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88 }
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89 }
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90 return true;
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91 }
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92
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93 void InstanceTree::findInstances(const ModelCoordinate& point, int w, int h, InstanceTree::InstanceList& list) {
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94 InstanceTreeNode * node = m_tree.find_container(point.x, point.y, w, h);
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95 Rect rect(point.x, point.y, w, h);
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96 InstanceListCollector collector(list,rect);
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97
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98 node->apply_visitor(collector);
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99
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100 node = node->parent();
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101 while( node ) {
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102 for(InstanceList::const_iterator it(node->data().begin()); it != node->data().end(); ++it) {
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103 ModelCoordinate coords = (*it)->getLocationRef().getLayerCoordinates();
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104 if( rect.contains(Point(coords.x,coords.y)) ) {
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105 list.push_back(*it);
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106 }
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107 }
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108 node = node->parent();
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109 }
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110 }
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
111
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
112 }