[5] | 1 | /* |
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| 2 | ----------------------------------------------------------------------------- |
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| 3 | This source file is part of OGRE |
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| 4 | (Object-oriented Graphics Rendering Engine) |
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| 5 | For the latest info, see http://www.ogre3d.org/ |
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| 6 | |
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| 7 | Copyright (c) 2000-2006 Torus Knot Software Ltd |
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| 8 | Also see acknowledgements in Readme.html |
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| 9 | |
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| 10 | This program is free software; you can redistribute it and/or modify it under |
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| 11 | the terms of the GNU Lesser General Public License as published by the Free Software |
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| 12 | Foundation; either version 2 of the License, or (at your option) any later |
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| 13 | version. |
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| 14 | |
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| 15 | This program is distributed in the hope that it will be useful, but WITHOUT |
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| 16 | ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS |
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| 17 | FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. |
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| 18 | |
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| 19 | You should have received a copy of the GNU Lesser General Public License along with |
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| 20 | this program; if not, write to the Free Software Foundation, Inc., 59 Temple |
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| 21 | Place - Suite 330, Boston, MA 02111-1307, USA, or go to |
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| 22 | http://www.gnu.org/copyleft/lesser.txt. |
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| 23 | |
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| 24 | You may alternatively use this source under the terms of a specific version of |
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| 25 | the OGRE Unrestricted License provided you have obtained such a license from |
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| 26 | Torus Knot Software Ltd. |
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| 27 | ----------------------------------------------------------------------------- |
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| 28 | */ |
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| 29 | #include "OgreStableHeaders.h" |
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| 30 | #include "OgreSceneManager.h" |
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| 31 | #include "OgreEntity.h" |
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| 32 | #include "OgreRoot.h" |
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| 33 | |
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| 34 | namespace Ogre { |
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| 35 | //--------------------------------------------------------------------- |
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| 36 | DefaultIntersectionSceneQuery::DefaultIntersectionSceneQuery(SceneManager* creator) |
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| 37 | : IntersectionSceneQuery(creator) |
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| 38 | { |
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| 39 | // No world geometry results supported |
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| 40 | mSupportedWorldFragments.insert(SceneQuery::WFT_NONE); |
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| 41 | } |
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| 42 | //--------------------------------------------------------------------- |
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| 43 | DefaultIntersectionSceneQuery::~DefaultIntersectionSceneQuery() |
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| 44 | { |
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| 45 | } |
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| 46 | //--------------------------------------------------------------------- |
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| 47 | void DefaultIntersectionSceneQuery::execute(IntersectionSceneQueryListener* listener) |
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| 48 | { |
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| 49 | // Iterate over all movable types |
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| 50 | Root::MovableObjectFactoryIterator factIt = |
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| 51 | Root::getSingleton().getMovableObjectFactoryIterator(); |
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| 52 | while(factIt.hasMoreElements()) |
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| 53 | { |
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| 54 | SceneManager::MovableObjectIterator objItA = |
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| 55 | mParentSceneMgr->getMovableObjectIterator( |
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| 56 | factIt.getNext()->getType()); |
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| 57 | while (objItA.hasMoreElements()) |
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| 58 | { |
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| 59 | MovableObject* a = objItA.getNext(); |
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| 60 | // skip entire section if type doesn't match |
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| 61 | if (!(a->getTypeFlags() & mQueryTypeMask)) |
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| 62 | break; |
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| 63 | |
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| 64 | // Skip if a does not pass the mask |
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| 65 | if (!(a->getQueryFlags() & mQueryMask) || |
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| 66 | !a->isInScene()) |
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| 67 | continue; |
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| 68 | |
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| 69 | // Check against later objects in the same group |
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| 70 | SceneManager::MovableObjectIterator objItB = objItA; |
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| 71 | while (objItB.hasMoreElements()) |
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| 72 | { |
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| 73 | MovableObject* b = objItB.getNext(); |
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| 74 | |
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| 75 | // Apply mask to b (both must pass) |
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| 76 | if ((b->getQueryFlags() & mQueryMask) && |
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| 77 | b->isInScene()) |
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| 78 | { |
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| 79 | const AxisAlignedBox& box1 = a->getWorldBoundingBox(); |
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| 80 | const AxisAlignedBox& box2 = b->getWorldBoundingBox(); |
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| 81 | |
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| 82 | if (box1.intersects(box2)) |
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| 83 | { |
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| 84 | if (!listener->queryResult(a, b)) return; |
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| 85 | } |
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| 86 | } |
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| 87 | } |
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| 88 | // Check against later groups |
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| 89 | Root::MovableObjectFactoryIterator factItLater = factIt; |
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| 90 | while (factItLater.hasMoreElements()) |
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| 91 | { |
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| 92 | SceneManager::MovableObjectIterator objItC = |
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| 93 | mParentSceneMgr->getMovableObjectIterator( |
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| 94 | factItLater.getNext()->getType()); |
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| 95 | while (objItC.hasMoreElements()) |
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| 96 | { |
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| 97 | MovableObject* c = objItC.getNext(); |
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| 98 | // skip entire section if type doesn't match |
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| 99 | if (!(c->getTypeFlags() & mQueryTypeMask)) |
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| 100 | break; |
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| 101 | |
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| 102 | // Apply mask to c (both must pass) |
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| 103 | if ((c->getQueryFlags() & mQueryMask) && |
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| 104 | c->isInScene()) |
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| 105 | { |
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| 106 | const AxisAlignedBox& box1 = a->getWorldBoundingBox(); |
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| 107 | const AxisAlignedBox& box2 = c->getWorldBoundingBox(); |
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| 108 | |
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| 109 | if (box1.intersects(box2)) |
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| 110 | { |
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| 111 | if (!listener->queryResult(a, c)) return; |
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| 112 | } |
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| 113 | } |
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| 114 | } |
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| 115 | |
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| 116 | } |
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| 117 | |
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| 118 | } |
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| 119 | |
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| 120 | |
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| 121 | } |
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| 122 | |
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| 123 | } |
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| 124 | //--------------------------------------------------------------------- |
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| 125 | DefaultAxisAlignedBoxSceneQuery:: |
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| 126 | DefaultAxisAlignedBoxSceneQuery(SceneManager* creator) |
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| 127 | : AxisAlignedBoxSceneQuery(creator) |
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| 128 | { |
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| 129 | // No world geometry results supported |
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| 130 | mSupportedWorldFragments.insert(SceneQuery::WFT_NONE); |
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| 131 | } |
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| 132 | //--------------------------------------------------------------------- |
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| 133 | DefaultAxisAlignedBoxSceneQuery::~DefaultAxisAlignedBoxSceneQuery() |
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| 134 | { |
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| 135 | } |
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| 136 | //--------------------------------------------------------------------- |
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| 137 | void DefaultAxisAlignedBoxSceneQuery::execute(SceneQueryListener* listener) |
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| 138 | { |
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| 139 | // Iterate over all movable types |
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| 140 | Root::MovableObjectFactoryIterator factIt = |
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| 141 | Root::getSingleton().getMovableObjectFactoryIterator(); |
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| 142 | while(factIt.hasMoreElements()) |
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| 143 | { |
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| 144 | SceneManager::MovableObjectIterator objItA = |
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| 145 | mParentSceneMgr->getMovableObjectIterator( |
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| 146 | factIt.getNext()->getType()); |
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| 147 | while (objItA.hasMoreElements()) |
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| 148 | { |
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| 149 | MovableObject* a = objItA.getNext(); |
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| 150 | // skip whole group if type doesn't match |
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| 151 | if (!(a->getTypeFlags() & mQueryTypeMask)) |
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| 152 | break; |
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| 153 | |
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| 154 | if ((a->getQueryFlags() & mQueryMask) && |
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| 155 | a->isInScene() && |
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| 156 | mAABB.intersects(a->getWorldBoundingBox())) |
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| 157 | { |
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| 158 | if (!listener->queryResult(a)) return; |
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| 159 | } |
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| 160 | } |
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| 161 | } |
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| 162 | } |
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| 163 | //--------------------------------------------------------------------- |
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| 164 | DefaultRaySceneQuery:: |
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| 165 | DefaultRaySceneQuery(SceneManager* creator) : RaySceneQuery(creator) |
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| 166 | { |
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| 167 | // No world geometry results supported |
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| 168 | mSupportedWorldFragments.insert(SceneQuery::WFT_NONE); |
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| 169 | } |
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| 170 | //--------------------------------------------------------------------- |
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| 171 | DefaultRaySceneQuery::~DefaultRaySceneQuery() |
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| 172 | { |
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| 173 | } |
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| 174 | //--------------------------------------------------------------------- |
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| 175 | void DefaultRaySceneQuery::execute(RaySceneQueryListener* listener) |
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| 176 | { |
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| 177 | // Note that becuase we have no scene partitioning, we actually |
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| 178 | // perform a complete scene search even if restricted results are |
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| 179 | // requested; smarter scene manager queries can utilise the paritioning |
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| 180 | // of the scene in order to reduce the number of intersection tests |
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| 181 | // required to fulfil the query |
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| 182 | |
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| 183 | // Iterate over all movable types |
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| 184 | Root::MovableObjectFactoryIterator factIt = |
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| 185 | Root::getSingleton().getMovableObjectFactoryIterator(); |
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| 186 | while(factIt.hasMoreElements()) |
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| 187 | { |
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| 188 | SceneManager::MovableObjectIterator objItA = |
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| 189 | mParentSceneMgr->getMovableObjectIterator( |
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| 190 | factIt.getNext()->getType()); |
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| 191 | while (objItA.hasMoreElements()) |
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| 192 | { |
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| 193 | MovableObject* a = objItA.getNext(); |
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| 194 | // skip whole group if type doesn't match |
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| 195 | if (!(a->getTypeFlags() & mQueryTypeMask)) |
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| 196 | break; |
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| 197 | |
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| 198 | if( (a->getQueryFlags() & mQueryMask) && |
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| 199 | a->isInScene()) |
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| 200 | { |
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| 201 | // Do ray / box test |
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| 202 | std::pair<bool, Real> result = |
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| 203 | mRay.intersects(a->getWorldBoundingBox()); |
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| 204 | |
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| 205 | if (result.first) |
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| 206 | { |
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| 207 | if (!listener->queryResult(a, result.second)) return; |
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| 208 | } |
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| 209 | } |
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| 210 | } |
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| 211 | } |
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| 212 | |
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| 213 | } |
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| 214 | //--------------------------------------------------------------------- |
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| 215 | DefaultSphereSceneQuery:: |
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| 216 | DefaultSphereSceneQuery(SceneManager* creator) : SphereSceneQuery(creator) |
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| 217 | { |
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| 218 | // No world geometry results supported |
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| 219 | mSupportedWorldFragments.insert(SceneQuery::WFT_NONE); |
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| 220 | } |
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| 221 | //--------------------------------------------------------------------- |
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| 222 | DefaultSphereSceneQuery::~DefaultSphereSceneQuery() |
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| 223 | { |
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| 224 | } |
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| 225 | //--------------------------------------------------------------------- |
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| 226 | void DefaultSphereSceneQuery::execute(SceneQueryListener* listener) |
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| 227 | { |
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| 228 | Sphere testSphere; |
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| 229 | |
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| 230 | // Iterate over all movable types |
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| 231 | Root::MovableObjectFactoryIterator factIt = |
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| 232 | Root::getSingleton().getMovableObjectFactoryIterator(); |
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| 233 | while(factIt.hasMoreElements()) |
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| 234 | { |
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| 235 | SceneManager::MovableObjectIterator objItA = |
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| 236 | mParentSceneMgr->getMovableObjectIterator( |
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| 237 | factIt.getNext()->getType()); |
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| 238 | while (objItA.hasMoreElements()) |
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| 239 | { |
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| 240 | MovableObject* a = objItA.getNext(); |
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| 241 | // skip whole group if type doesn't match |
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| 242 | if (!(a->getTypeFlags() & mQueryTypeMask)) |
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| 243 | break; |
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| 244 | // Skip unattached |
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| 245 | if (!a->isInScene() || |
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| 246 | !(a->getQueryFlags() & mQueryMask)) |
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| 247 | continue; |
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| 248 | |
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| 249 | // Do sphere / sphere test |
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| 250 | testSphere.setCenter(a->getParentNode()->_getDerivedPosition()); |
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| 251 | testSphere.setRadius(a->getBoundingRadius()); |
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| 252 | if (mSphere.intersects(testSphere)) |
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| 253 | { |
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| 254 | if (!listener->queryResult(a)) return; |
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| 255 | } |
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| 256 | } |
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| 257 | } |
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| 258 | } |
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| 259 | //--------------------------------------------------------------------- |
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| 260 | DefaultPlaneBoundedVolumeListSceneQuery:: |
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| 261 | DefaultPlaneBoundedVolumeListSceneQuery(SceneManager* creator) |
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| 262 | : PlaneBoundedVolumeListSceneQuery(creator) |
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| 263 | { |
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| 264 | // No world geometry results supported |
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| 265 | mSupportedWorldFragments.insert(SceneQuery::WFT_NONE); |
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| 266 | } |
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| 267 | //--------------------------------------------------------------------- |
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| 268 | DefaultPlaneBoundedVolumeListSceneQuery::~DefaultPlaneBoundedVolumeListSceneQuery() |
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| 269 | { |
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| 270 | } |
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| 271 | //--------------------------------------------------------------------- |
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| 272 | void DefaultPlaneBoundedVolumeListSceneQuery::execute(SceneQueryListener* listener) |
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| 273 | { |
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| 274 | // Iterate over all movable types |
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| 275 | Root::MovableObjectFactoryIterator factIt = |
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| 276 | Root::getSingleton().getMovableObjectFactoryIterator(); |
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| 277 | while(factIt.hasMoreElements()) |
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| 278 | { |
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| 279 | SceneManager::MovableObjectIterator objItA = |
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| 280 | mParentSceneMgr->getMovableObjectIterator( |
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| 281 | factIt.getNext()->getType()); |
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| 282 | while (objItA.hasMoreElements()) |
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| 283 | { |
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| 284 | MovableObject* a = objItA.getNext(); |
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| 285 | // skip whole group if type doesn't match |
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| 286 | if (!(a->getTypeFlags() & mQueryTypeMask)) |
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| 287 | break; |
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| 288 | |
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| 289 | PlaneBoundedVolumeList::iterator pi, piend; |
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| 290 | piend = mVolumes.end(); |
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| 291 | for (pi = mVolumes.begin(); pi != piend; ++pi) |
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| 292 | { |
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| 293 | PlaneBoundedVolume& vol = *pi; |
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| 294 | // Do AABB / plane volume test |
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| 295 | if ((a->getQueryFlags() & mQueryMask) && |
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| 296 | a->isInScene() && |
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| 297 | vol.intersects(a->getWorldBoundingBox())) |
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| 298 | { |
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| 299 | if (!listener->queryResult(a)) return; |
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| 300 | break; |
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| 301 | } |
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| 302 | } |
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| 303 | } |
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| 304 | } |
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| 305 | } |
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| 306 | } |
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