/* ----------------------------------------------------------------------------- This source file is part of OGRE (Object-oriented Graphics Rendering Engine) For the latest info, see http://www.ogre3d.org/ Copyright (c) 2000-2009 Torus Knot Software Ltd Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. ----------------------------------------------------------------------------- */ #include "OgreStableHeaders.h" #include "OgreSceneManager.h" #include "OgreEntity.h" #include "OgreRoot.h" namespace Ogre { //--------------------------------------------------------------------- DefaultIntersectionSceneQuery::DefaultIntersectionSceneQuery(SceneManager* creator) : IntersectionSceneQuery(creator) { // No world geometry results supported mSupportedWorldFragments.insert(SceneQuery::WFT_NONE); } //--------------------------------------------------------------------- DefaultIntersectionSceneQuery::~DefaultIntersectionSceneQuery() { } //--------------------------------------------------------------------- void DefaultIntersectionSceneQuery::execute(IntersectionSceneQueryListener* listener) { // Iterate over all movable types Root::MovableObjectFactoryIterator factIt = Root::getSingleton().getMovableObjectFactoryIterator(); while(factIt.hasMoreElements()) { SceneManager::MovableObjectIterator objItA = mParentSceneMgr->getMovableObjectIterator( factIt.getNext()->getType()); while (objItA.hasMoreElements()) { MovableObject* a = objItA.getNext(); // skip entire section if type doesn't match if (!(a->getTypeFlags() & mQueryTypeMask)) break; // Skip if a does not pass the mask if (!(a->getQueryFlags() & mQueryMask) || !a->isInScene()) continue; // Check against later objects in the same group SceneManager::MovableObjectIterator objItB = objItA; while (objItB.hasMoreElements()) { MovableObject* b = objItB.getNext(); // Apply mask to b (both must pass) if ((b->getQueryFlags() & mQueryMask) && b->isInScene()) { const AxisAlignedBox& box1 = a->getWorldBoundingBox(); const AxisAlignedBox& box2 = b->getWorldBoundingBox(); if (box1.intersects(box2)) { if (!listener->queryResult(a, b)) return; } } } // Check against later groups Root::MovableObjectFactoryIterator factItLater = factIt; while (factItLater.hasMoreElements()) { SceneManager::MovableObjectIterator objItC = mParentSceneMgr->getMovableObjectIterator( factItLater.getNext()->getType()); while (objItC.hasMoreElements()) { MovableObject* c = objItC.getNext(); // skip entire section if type doesn't match if (!(c->getTypeFlags() & mQueryTypeMask)) break; // Apply mask to c (both must pass) if ((c->getQueryFlags() & mQueryMask) && c->isInScene()) { const AxisAlignedBox& box1 = a->getWorldBoundingBox(); const AxisAlignedBox& box2 = c->getWorldBoundingBox(); if (box1.intersects(box2)) { if (!listener->queryResult(a, c)) return; } } } } } } } //--------------------------------------------------------------------- DefaultAxisAlignedBoxSceneQuery:: DefaultAxisAlignedBoxSceneQuery(SceneManager* creator) : AxisAlignedBoxSceneQuery(creator) { // No world geometry results supported mSupportedWorldFragments.insert(SceneQuery::WFT_NONE); } //--------------------------------------------------------------------- DefaultAxisAlignedBoxSceneQuery::~DefaultAxisAlignedBoxSceneQuery() { } //--------------------------------------------------------------------- void DefaultAxisAlignedBoxSceneQuery::execute(SceneQueryListener* listener) { // Iterate over all movable types Root::MovableObjectFactoryIterator factIt = Root::getSingleton().getMovableObjectFactoryIterator(); while(factIt.hasMoreElements()) { SceneManager::MovableObjectIterator objItA = mParentSceneMgr->getMovableObjectIterator( factIt.getNext()->getType()); while (objItA.hasMoreElements()) { MovableObject* a = objItA.getNext(); // skip whole group if type doesn't match if (!(a->getTypeFlags() & mQueryTypeMask)) break; if ((a->getQueryFlags() & mQueryMask) && a->isInScene() && mAABB.intersects(a->getWorldBoundingBox())) { if (!listener->queryResult(a)) return; } } } } //--------------------------------------------------------------------- DefaultRaySceneQuery:: DefaultRaySceneQuery(SceneManager* creator) : RaySceneQuery(creator) { // No world geometry results supported mSupportedWorldFragments.insert(SceneQuery::WFT_NONE); } //--------------------------------------------------------------------- DefaultRaySceneQuery::~DefaultRaySceneQuery() { } //--------------------------------------------------------------------- void DefaultRaySceneQuery::execute(RaySceneQueryListener* listener) { // Note that because we have no scene partitioning, we actually // perform a complete scene search even if restricted results are // requested; smarter scene manager queries can utilise the paritioning // of the scene in order to reduce the number of intersection tests // required to fulfil the query // Iterate over all movable types Root::MovableObjectFactoryIterator factIt = Root::getSingleton().getMovableObjectFactoryIterator(); while(factIt.hasMoreElements()) { SceneManager::MovableObjectIterator objItA = mParentSceneMgr->getMovableObjectIterator( factIt.getNext()->getType()); while (objItA.hasMoreElements()) { MovableObject* a = objItA.getNext(); // skip whole group if type doesn't match if (!(a->getTypeFlags() & mQueryTypeMask)) break; if( (a->getQueryFlags() & mQueryMask) && a->isInScene()) { // Do ray / box test std::pair result = mRay.intersects(a->getWorldBoundingBox()); if (result.first) { if (!listener->queryResult(a, result.second)) return; } } } } } //--------------------------------------------------------------------- DefaultSphereSceneQuery:: DefaultSphereSceneQuery(SceneManager* creator) : SphereSceneQuery(creator) { // No world geometry results supported mSupportedWorldFragments.insert(SceneQuery::WFT_NONE); } //--------------------------------------------------------------------- DefaultSphereSceneQuery::~DefaultSphereSceneQuery() { } //--------------------------------------------------------------------- void DefaultSphereSceneQuery::execute(SceneQueryListener* listener) { Sphere testSphere; // Iterate over all movable types Root::MovableObjectFactoryIterator factIt = Root::getSingleton().getMovableObjectFactoryIterator(); while(factIt.hasMoreElements()) { SceneManager::MovableObjectIterator objItA = mParentSceneMgr->getMovableObjectIterator( factIt.getNext()->getType()); while (objItA.hasMoreElements()) { MovableObject* a = objItA.getNext(); // skip whole group if type doesn't match if (!(a->getTypeFlags() & mQueryTypeMask)) break; // Skip unattached if (!a->isInScene() || !(a->getQueryFlags() & mQueryMask)) continue; // Do sphere / sphere test testSphere.setCenter(a->getParentNode()->_getDerivedPosition()); testSphere.setRadius(a->getBoundingRadius()); if (mSphere.intersects(testSphere)) { if (!listener->queryResult(a)) return; } } } } //--------------------------------------------------------------------- DefaultPlaneBoundedVolumeListSceneQuery:: DefaultPlaneBoundedVolumeListSceneQuery(SceneManager* creator) : PlaneBoundedVolumeListSceneQuery(creator) { // No world geometry results supported mSupportedWorldFragments.insert(SceneQuery::WFT_NONE); } //--------------------------------------------------------------------- DefaultPlaneBoundedVolumeListSceneQuery::~DefaultPlaneBoundedVolumeListSceneQuery() { } //--------------------------------------------------------------------- void DefaultPlaneBoundedVolumeListSceneQuery::execute(SceneQueryListener* listener) { // Iterate over all movable types Root::MovableObjectFactoryIterator factIt = Root::getSingleton().getMovableObjectFactoryIterator(); while(factIt.hasMoreElements()) { SceneManager::MovableObjectIterator objItA = mParentSceneMgr->getMovableObjectIterator( factIt.getNext()->getType()); while (objItA.hasMoreElements()) { MovableObject* a = objItA.getNext(); // skip whole group if type doesn't match if (!(a->getTypeFlags() & mQueryTypeMask)) break; PlaneBoundedVolumeList::iterator pi, piend; piend = mVolumes.end(); for (pi = mVolumes.begin(); pi != piend; ++pi) { PlaneBoundedVolume& vol = *pi; // Do AABB / plane volume test if ((a->getQueryFlags() & mQueryMask) && a->isInScene() && vol.intersects(a->getWorldBoundingBox())) { if (!listener->queryResult(a)) return; break; } } } } } }