[692] | 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) 2000-2005 The OGRE Team
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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 | */
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| 25 | #include "OgreStableHeaders.h"
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| 26 | #include "OgreSceneManager.h"
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| 27 | #include "OgreEntity.h"
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| 28 | #include "OgreRoot.h"
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| 29 |
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| 30 | namespace Ogre {
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| 31 | //---------------------------------------------------------------------
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| 32 | DefaultIntersectionSceneQuery::DefaultIntersectionSceneQuery(SceneManager* creator)
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| 33 | : IntersectionSceneQuery(creator)
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| 34 | {
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| 35 | // No world geometry results supported
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| 36 | mSupportedWorldFragments.insert(SceneQuery::WFT_NONE);
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| 37 | }
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| 38 | //---------------------------------------------------------------------
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| 39 | DefaultIntersectionSceneQuery::~DefaultIntersectionSceneQuery()
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| 40 | {
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| 41 | }
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| 42 | //---------------------------------------------------------------------
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| 43 | void DefaultIntersectionSceneQuery::execute(IntersectionSceneQueryListener* listener)
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| 44 | {
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| 45 | // Iterate over all movable types
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| 46 | Root::MovableObjectFactoryIterator factIt =
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| 47 | Root::getSingleton().getMovableObjectFactoryIterator();
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| 48 | while(factIt.hasMoreElements())
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| 49 | {
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| 50 | SceneManager::MovableObjectIterator objItA =
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| 51 | mParentSceneMgr->getMovableObjectIterator(
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| 52 | factIt.getNext()->getType());
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| 53 | while (objItA.hasMoreElements())
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| 54 | {
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| 55 | MovableObject* a = objItA.getNext();
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| 56 | // skip entire section if type doesn't match
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| 57 | if (!(a->getTypeFlags() & mQueryTypeMask))
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| 58 | break;
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| 59 |
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| 60 | // Skip if a does not pass the mask
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| 61 | if (!(a->getQueryFlags() & mQueryMask) ||
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| 62 | !a->isInScene())
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| 63 | continue;
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| 64 |
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| 65 | // Check against later objects in the same group
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| 66 | SceneManager::MovableObjectIterator objItB = objItA;
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| 67 | while (objItB.hasMoreElements())
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| 68 | {
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| 69 | MovableObject* b = objItB.getNext();
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| 70 |
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| 71 | // Apply mask to b (both must pass)
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| 72 | if ((b->getQueryFlags() & mQueryMask) &&
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| 73 | b->isInScene())
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| 74 | {
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| 75 | const AxisAlignedBox& box1 = a->getWorldBoundingBox();
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| 76 | const AxisAlignedBox& box2 = b->getWorldBoundingBox();
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| 77 |
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| 78 | if (box1.intersects(box2))
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| 79 | {
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| 80 | if (!listener->queryResult(a, b)) return;
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| 81 | }
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| 82 | }
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| 83 | }
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| 84 | // Check against later groups
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| 85 | Root::MovableObjectFactoryIterator factItLater = factIt;
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| 86 | while (factItLater.hasMoreElements())
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| 87 | {
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| 88 | SceneManager::MovableObjectIterator objItC =
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| 89 | mParentSceneMgr->getMovableObjectIterator(
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| 90 | factIt.getNext()->getType());
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| 91 | while (objItC.hasMoreElements())
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| 92 | {
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| 93 | MovableObject* c = objItC.getNext();
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| 94 | // skip entire section if type doesn't match
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| 95 | if (!(c->getTypeFlags() & mQueryTypeMask))
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| 96 | break;
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| 97 |
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| 98 | // Apply mask to c (both must pass)
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| 99 | if ((c->getQueryFlags() & mQueryMask) &&
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| 100 | c->isInScene())
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| 101 | {
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| 102 | const AxisAlignedBox& box1 = a->getWorldBoundingBox();
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| 103 | const AxisAlignedBox& box2 = c->getWorldBoundingBox();
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| 104 |
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| 105 | if (box1.intersects(box2))
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| 106 | {
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| 107 | if (!listener->queryResult(a, c)) return;
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| 108 | }
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| 109 | }
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| 110 | }
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| 111 |
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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 | DefaultAxisAlignedBoxSceneQuery::
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| 122 | DefaultAxisAlignedBoxSceneQuery(SceneManager* creator)
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| 123 | : AxisAlignedBoxSceneQuery(creator)
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| 124 | {
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| 125 | // No world geometry results supported
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| 126 | mSupportedWorldFragments.insert(SceneQuery::WFT_NONE);
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| 127 | }
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| 128 | //---------------------------------------------------------------------
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| 129 | DefaultAxisAlignedBoxSceneQuery::~DefaultAxisAlignedBoxSceneQuery()
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| 130 | {
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| 131 | }
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| 132 | //---------------------------------------------------------------------
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| 133 | void DefaultAxisAlignedBoxSceneQuery::execute(SceneQueryListener* listener)
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| 134 | {
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| 135 | // Iterate over all movable types
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| 136 | Root::MovableObjectFactoryIterator factIt =
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| 137 | Root::getSingleton().getMovableObjectFactoryIterator();
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| 138 | while(factIt.hasMoreElements())
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| 139 | {
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| 140 | SceneManager::MovableObjectIterator objItA =
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| 141 | mParentSceneMgr->getMovableObjectIterator(
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| 142 | factIt.getNext()->getType());
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| 143 | while (objItA.hasMoreElements())
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| 144 | {
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| 145 | MovableObject* a = objItA.getNext();
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| 146 | // skip whole group if type doesn't match
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| 147 | if (!(a->getTypeFlags() & mQueryTypeMask))
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| 148 | break;
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| 149 |
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| 150 | if ((a->getQueryFlags() & mQueryMask) &&
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| 151 | a->isInScene() &&
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| 152 | mAABB.intersects(a->getWorldBoundingBox()))
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| 153 | {
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| 154 | if (!listener->queryResult(a)) return;
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| 155 | }
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| 156 | }
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| 157 | }
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| 158 | }
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| 159 | //---------------------------------------------------------------------
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| 160 | DefaultRaySceneQuery::
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| 161 | DefaultRaySceneQuery(SceneManager* creator) : RaySceneQuery(creator)
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| 162 | {
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| 163 | // No world geometry results supported
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| 164 | mSupportedWorldFragments.insert(SceneQuery::WFT_NONE);
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| 165 | }
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| 166 | //---------------------------------------------------------------------
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| 167 | DefaultRaySceneQuery::~DefaultRaySceneQuery()
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| 168 | {
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| 169 | }
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| 170 | //---------------------------------------------------------------------
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| 171 | void DefaultRaySceneQuery::execute(RaySceneQueryListener* listener)
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| 172 | {
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| 173 | // Note that becuase we have no scene partitioning, we actually
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| 174 | // perform a complete scene search even if restricted results are
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| 175 | // requested; smarter scene manager queries can utilise the paritioning
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| 176 | // of the scene in order to reduce the number of intersection tests
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| 177 | // required to fulfil the query
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| 178 |
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| 179 | // Iterate over all movable types
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| 180 | Root::MovableObjectFactoryIterator factIt =
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| 181 | Root::getSingleton().getMovableObjectFactoryIterator();
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| 182 | while(factIt.hasMoreElements())
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| 183 | {
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| 184 | SceneManager::MovableObjectIterator objItA =
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| 185 | mParentSceneMgr->getMovableObjectIterator(
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| 186 | factIt.getNext()->getType());
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| 187 | while (objItA.hasMoreElements())
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| 188 | {
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| 189 | MovableObject* a = objItA.getNext();
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| 190 | // skip whole group if type doesn't match
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| 191 | if (!(a->getTypeFlags() & mQueryTypeMask))
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| 192 | break;
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| 193 |
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| 194 | if( (a->getQueryFlags() & mQueryMask) &&
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| 195 | a->isInScene())
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| 196 | {
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| 197 | // Do ray / box test
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| 198 | std::pair<bool, Real> result =
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| 199 | mRay.intersects(a->getWorldBoundingBox());
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| 200 |
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| 201 | if (result.first)
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| 202 | {
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| 203 | if (!listener->queryResult(a, result.second)) return;
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| 204 | }
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| 205 | }
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| 206 | }
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| 207 | }
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| 208 |
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| 209 | }
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| 210 | //---------------------------------------------------------------------
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| 211 | DefaultSphereSceneQuery::
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| 212 | DefaultSphereSceneQuery(SceneManager* creator) : SphereSceneQuery(creator)
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| 213 | {
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| 214 | // No world geometry results supported
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| 215 | mSupportedWorldFragments.insert(SceneQuery::WFT_NONE);
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| 216 | }
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| 217 | //---------------------------------------------------------------------
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| 218 | DefaultSphereSceneQuery::~DefaultSphereSceneQuery()
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| 219 | {
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| 220 | }
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| 221 | //---------------------------------------------------------------------
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| 222 | void DefaultSphereSceneQuery::execute(SceneQueryListener* listener)
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| 223 | {
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| 224 | Sphere testSphere;
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| 225 |
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| 226 | // Iterate over all movable types
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| 227 | Root::MovableObjectFactoryIterator factIt =
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| 228 | Root::getSingleton().getMovableObjectFactoryIterator();
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| 229 | while(factIt.hasMoreElements())
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| 230 | {
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| 231 | SceneManager::MovableObjectIterator objItA =
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| 232 | mParentSceneMgr->getMovableObjectIterator(
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| 233 | factIt.getNext()->getType());
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| 234 | while (objItA.hasMoreElements())
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| 235 | {
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| 236 | MovableObject* a = objItA.getNext();
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| 237 | // skip whole group if type doesn't match
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| 238 | if (!(a->getTypeFlags() & mQueryTypeMask))
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| 239 | break;
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| 240 | // Skip unattached
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| 241 | if (!a->isInScene() ||
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| 242 | !(a->getQueryFlags() & mQueryMask))
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| 243 | continue;
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| 244 |
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| 245 | // Do sphere / sphere test
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| 246 | testSphere.setCenter(a->getParentNode()->_getDerivedPosition());
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| 247 | testSphere.setRadius(a->getBoundingRadius());
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| 248 | if (mSphere.intersects(testSphere))
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| 249 | {
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| 250 | if (!listener->queryResult(a)) return;
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| 251 | }
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| 252 | }
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| 253 | }
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| 254 | }
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| 255 | //---------------------------------------------------------------------
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| 256 | DefaultPlaneBoundedVolumeListSceneQuery::
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| 257 | DefaultPlaneBoundedVolumeListSceneQuery(SceneManager* creator)
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| 258 | : PlaneBoundedVolumeListSceneQuery(creator)
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| 259 | {
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| 260 | // No world geometry results supported
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| 261 | mSupportedWorldFragments.insert(SceneQuery::WFT_NONE);
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| 262 | }
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| 263 | //---------------------------------------------------------------------
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| 264 | DefaultPlaneBoundedVolumeListSceneQuery::~DefaultPlaneBoundedVolumeListSceneQuery()
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| 265 | {
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| 266 | }
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| 267 | //---------------------------------------------------------------------
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| 268 | void DefaultPlaneBoundedVolumeListSceneQuery::execute(SceneQueryListener* listener)
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| 269 | {
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| 270 | // Iterate over all movable types
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| 271 | Root::MovableObjectFactoryIterator factIt =
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| 272 | Root::getSingleton().getMovableObjectFactoryIterator();
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| 273 | while(factIt.hasMoreElements())
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| 274 | {
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| 275 | SceneManager::MovableObjectIterator objItA =
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| 276 | mParentSceneMgr->getMovableObjectIterator(
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| 277 | factIt.getNext()->getType());
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| 278 | while (objItA.hasMoreElements())
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| 279 | {
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| 280 | MovableObject* a = objItA.getNext();
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| 281 | // skip whole group if type doesn't match
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| 282 | if (!(a->getTypeFlags() & mQueryTypeMask))
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| 283 | break;
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| 284 |
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| 285 | PlaneBoundedVolumeList::iterator pi, piend;
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| 286 | piend = mVolumes.end();
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| 287 | for (pi = mVolumes.begin(); pi != piend; ++pi)
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| 288 | {
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| 289 | PlaneBoundedVolume& vol = *pi;
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| 290 | // Do AABB / plane volume test
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| 291 | if ((a->getQueryFlags() & mQueryMask) &&
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| 292 | a->isInScene() &&
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| 293 | vol.intersects(a->getWorldBoundingBox()))
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| 294 | {
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| 295 | if (!listener->queryResult(a)) return;
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| 296 | break;
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| 297 | }
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| 298 | }
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| 299 | }
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| 300 | }
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| 301 | }
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| 302 | }
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