Mercurial > fife-parpg

annotate engine/core/model/structures/instancetree.h @ 546:8fee2d2286e9

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Rewrote the object serializing routines to use a "template" idea for loading an object from disk. This allows for multiple objects to load the same base object template but be unique on the scene AND have different values. Useful for say more than one gold stack on the ground with different gold values. TODO: fix the "spawn" console command.
author prock@33b003aa-7bff-0310-803a-e67f0ece8222
date Thu, 03 Jun 2010 21:35:06 +0000
parents 0fd74235b34d
children
rev   line source
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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. *
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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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22 #ifndef FIFE_INSTANCETREE_H
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23 #define FIFE_INSTANCETREE_H
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24
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25 // Standard C++ library includes
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26 #include <list>
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28 // 3rd party library includes
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29
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30 // FIFE includes
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31 // These includes are split up in two parts, separated by one empty line
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32 // First block: files included from the FIFE root src
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33 #include "util/base/fifeclass.h"
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34
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35 #include "util/structures/quadtree.h"
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36 #include "model/metamodel/modelcoords.h"
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37
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38 namespace FIFE {
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39
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40 class Instance;
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41
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42 class InstanceTree: public FifeClass {
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43 static const int kTreeDepth = 2;
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44 public:
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45 typedef std::list<Instance*> InstanceList;
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46 typedef QuadTree< InstanceList, kTreeDepth > InstanceQuadTree;
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47 typedef InstanceQuadTree::Node InstanceTreeNode;
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48
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49 /** Constructor
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50 *
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51 */
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52 InstanceTree();
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53
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54 /** Destructor
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55 *
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56 */
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57 virtual ~InstanceTree();
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58
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59 /** Adds an instance to the quad tree.
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60 *
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61 * Adds an instance to the quad tree based upon it's location on the layer and it's
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62 * area.
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63 *
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64 * @param instance A pointer to the instance to add.
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65 * @note In case you added the instance before this will throw.
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66 */
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67 void addInstance(Instance* instance);
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68
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69 /** Removes an instance from the quad tree.
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70 *
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71 * Locates an instance in the quad tree then removes it.
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72 *
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73 * @param instance A pointer to the instance to find and remove.
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74 * @note In case you did @b not add the instance before this will throw.
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75 */
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76 void removeInstance(Instance* instance);
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77
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78 /** Find all instances in a given area.
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79 *
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80 * Takes a box as an area then returns a vector filled with all instances that intersect
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81 * with that box.
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82 *
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83 * @param point A ModelCoordinate representing the upper left part of the search area.
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84 * @param w The width of the search area in Model Units.
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85 * @param h The height of the search area in Model Units.
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86 * @param lst vector reference that will be filled with all instances within that space.
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87 */
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88 void findInstances(const ModelCoordinate& point, int w, int h, InstanceList& lst);
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89
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90 /** See QuadNode::apply_visitor
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91 */
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92 template<typename Visitor> void applyVisitor(Visitor& visitor) {
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93 m_tree.apply_visitor(visitor);
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94 }
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95
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96
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97 private:
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98 InstanceQuadTree m_tree;
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d266506ff4f9 Bug fix.
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99 std::map<Instance*,InstanceTreeNode*> m_reverse;
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100 };
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101
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102 }
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103
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104 #endif