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annotate engine/core/model/structures/instancetree.cpp @ 0:4a0efb7baf70

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* Datasets becomes the new trunk and retires after that :-)
author mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
date Sun, 29 Jun 2008 18:44:17 +0000
parents
children 90005975cdbb
rev   line source
0
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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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 modify *
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7 * it under the terms of the GNU General Public License as published by *
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8 * the Free Software Foundation; either version 2 of the License, or *
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9 * (at your option) any later version. *
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10 * *
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11 * This program 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 *
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14 * GNU General Public License for more details. *
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15 * *
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16 * You should have received a copy of the GNU General Public License *
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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17 * along with this program; if not, write to the *
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18 * Free Software Foundation, Inc., *
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19 * 51 Franklin St, 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
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31 #include "model/structures/instance.h"
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32 #include "util/structures/rect.h"
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33
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34 #include "instancetree.h"
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35
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36
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37 namespace FIFE {
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38
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39 InstanceTree::InstanceTree(): FifeClass() {
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40 }
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41
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42 InstanceTree::~InstanceTree() {
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43 }
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44
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45 bool InstanceTree::addInstance(Instance* instance) {
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46 ModelCoordinate coords = instance->getLocationRef().getLayerCoordinates();
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47 InstanceList& list = m_tree.find_container(coords.x,coords.y,0,0)->data();
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48 list.push_back(instance);
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49 return true;
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50 }
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51
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52 bool InstanceTree::removeInstance(Instance* instance) {
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53 ModelCoordinate coords = instance->getLocationRef().getLayerCoordinates();
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54 InstanceList& list = m_tree.find_container(coords.x,coords.y, 0, 0)->data();
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55
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56 for(InstanceList::iterator i = list.begin(); i != list.end(); ++i) {
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57 if((*i) == instance) {
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58 list.erase(i);
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59 return true;
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60 }
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61 }
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62
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63 return false;
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64 }
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65
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66 class InstanceListCollector {
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67 public:
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68 InstanceTree::InstanceList& instanceList;
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69 Rect searchRect;
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70 InstanceListCollector(InstanceTree::InstanceList& a_instanceList, const Rect& rect)
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71 : instanceList(a_instanceList), searchRect(rect) {
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72 }
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73 bool visit(InstanceTree::InstanceTreeNode* node, int d);
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74 };
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75
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76 bool InstanceListCollector::visit(InstanceTree::InstanceTreeNode* node, int d) {
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77 InstanceTree::InstanceList& list = node->data();
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78 for(InstanceTree::InstanceList::const_iterator it(list.begin()); it != list.end(); ++it) {
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79 ModelCoordinate coords = (*it)->getLocationRef().getLayerCoordinates();
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80 if( searchRect.contains(Point(coords.x,coords.y)) ) {
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81 instanceList.push_back(*it);
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82 }
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83 }
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84 return true;
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85 }
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86
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87 void InstanceTree::findInstances(const ModelCoordinate& point, int w, int h, InstanceTree::InstanceList& list) {
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88 InstanceTreeNode * node = m_tree.find_container(point.x, point.y, w, h);
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89 Rect rect(point.x, point.y, w, h);
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90 InstanceListCollector collector(list,rect);
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91
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92 node->apply_visitor(collector);
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93
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94 node = node->parent();
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95 while( node ) {
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96 for(InstanceList::const_iterator it(node->data().begin()); it != node->data().end(); ++it) {
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97 ModelCoordinate coords = (*it)->getLocationRef().getLayerCoordinates();
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98 if( rect.contains(Point(coords.x,coords.y)) ) {
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99 list.push_back(*it);
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100 }
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101 }
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102 node = node->parent();
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103 }
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104 }
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105
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106 }