/* ----------------------------------------------------------------------------- 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. ----------------------------------------------------------------------------- */ /*************************************************************************** OgreOctreeSceneQuery.cpp - description ------------------- begin : Tues July 20, 2004 copyright : (C) 2004by Jon Anderson email : janders@users.sf.net ***************************************************************************/ #include #include #include #include namespace Ogre { //--------------------------------------------------------------------- OctreeIntersectionSceneQuery::OctreeIntersectionSceneQuery(SceneManager* creator) : DefaultIntersectionSceneQuery(creator) { } //--------------------------------------------------------------------- OctreeIntersectionSceneQuery::~OctreeIntersectionSceneQuery() {} //--------------------------------------------------------------------- void OctreeIntersectionSceneQuery::execute(IntersectionSceneQueryListener* listener) { typedef std::pair MovablePair; typedef std::set < std::pair > MovableSet; MovableSet set; // Iterate over all movable types Root::MovableObjectFactoryIterator factIt = Root::getSingleton().getMovableObjectFactoryIterator(); while(factIt.hasMoreElements()) { SceneManager::MovableObjectIterator it = mParentSceneMgr->getMovableObjectIterator( factIt.getNext()->getType()); while( it.hasMoreElements() ) { MovableObject * e = it.getNext(); Ogre::list< SceneNode * >::type list; //find the nodes that intersect the AAB static_cast( mParentSceneMgr ) -> findNodesIn( e->getWorldBoundingBox(), list, 0 ); //grab all moveables from the node that intersect... Ogre::list< SceneNode * >::type::iterator nit = list.begin(); while( nit != list.end() ) { SceneNode::ObjectIterator oit = (*nit) -> getAttachedObjectIterator(); while( oit.hasMoreElements() ) { MovableObject * m = oit.getNext(); if( m != e && set.find( MovablePair(e,m)) == set.end() && set.find( MovablePair(m,e)) == set.end() && (m->getQueryFlags() & mQueryMask) && (m->getTypeFlags() & mQueryTypeMask) && m->isInScene() && e->getWorldBoundingBox().intersects( m->getWorldBoundingBox() ) ) { listener -> queryResult( e, m ); // deal with attached objects, since they are not directly attached to nodes if (m->getMovableType() == "Entity") { Entity* e2 = static_cast(m); Entity::ChildObjectListIterator childIt = e2->getAttachedObjectIterator(); while(childIt.hasMoreElements()) { MovableObject* c = childIt.getNext(); if (c->getQueryFlags() & mQueryMask && e->getWorldBoundingBox().intersects( c->getWorldBoundingBox() )) { listener->queryResult(e, c); } } } } set.insert( MovablePair(e,m) ); } ++nit; } } } } /** Creates a custom Octree AAB query */ OctreeAxisAlignedBoxSceneQuery::OctreeAxisAlignedBoxSceneQuery(SceneManager* creator) : DefaultAxisAlignedBoxSceneQuery(creator) { } /** Deletes the custom Octree query */ OctreeAxisAlignedBoxSceneQuery::~OctreeAxisAlignedBoxSceneQuery() {} /** Finds any entities that intersect the AAB for the query. */ void OctreeAxisAlignedBoxSceneQuery::execute(SceneQueryListener* listener) { list< SceneNode * >::type _list; //find the nodes that intersect the AAB static_cast( mParentSceneMgr ) -> findNodesIn( mAABB, _list, 0 ); //grab all moveables from the node that intersect... list< SceneNode * >::type::iterator it = _list.begin(); while( it != _list.end() ) { SceneNode::ObjectIterator oit = (*it) -> getAttachedObjectIterator(); while( oit.hasMoreElements() ) { MovableObject * m = oit.getNext(); if( (m->getQueryFlags() & mQueryMask) && (m->getTypeFlags() & mQueryTypeMask) && m->isInScene() && mAABB.intersects( m->getWorldBoundingBox() ) ) { listener -> queryResult( m ); // deal with attached objects, since they are not directly attached to nodes if (m->getMovableType() == "Entity") { Entity* e = static_cast(m); Entity::ChildObjectListIterator childIt = e->getAttachedObjectIterator(); while(childIt.hasMoreElements()) { MovableObject* c = childIt.getNext(); if (c->getQueryFlags() & mQueryMask) { listener->queryResult(c); } } } } } ++it; } } //--------------------------------------------------------------------- OctreeRaySceneQuery:: OctreeRaySceneQuery(SceneManager* creator) : DefaultRaySceneQuery(creator) { } //--------------------------------------------------------------------- OctreeRaySceneQuery::~OctreeRaySceneQuery() {} //--------------------------------------------------------------------- void OctreeRaySceneQuery::execute(RaySceneQueryListener* listener) { list< SceneNode * >::type _list; //find the nodes that intersect the AAB static_cast( mParentSceneMgr ) -> findNodesIn( mRay, _list, 0 ); //grab all moveables from the node that intersect... list< SceneNode * >::type::iterator it = _list.begin(); while( it != _list.end() ) { SceneNode::ObjectIterator oit = (*it) -> getAttachedObjectIterator(); while( oit.hasMoreElements() ) { MovableObject * m = oit.getNext(); if( (m->getQueryFlags() & mQueryMask) && (m->getTypeFlags() & mQueryTypeMask) && m->isInScene() ) { std::pair result = mRay.intersects(m->getWorldBoundingBox()); if( result.first ) { listener -> queryResult( m, result.second ); // deal with attached objects, since they are not directly attached to nodes if (m->getMovableType() == "Entity") { Entity* e = static_cast(m); Entity::ChildObjectListIterator childIt = e->getAttachedObjectIterator(); while(childIt.hasMoreElements()) { MovableObject* c = childIt.getNext(); if (c->getQueryFlags() & mQueryMask) { result = mRay.intersects(c->getWorldBoundingBox()); if (result.first) { listener->queryResult(c, result.second); } } } } } } } ++it; } } //--------------------------------------------------------------------- OctreeSphereSceneQuery:: OctreeSphereSceneQuery(SceneManager* creator) : DefaultSphereSceneQuery(creator) { } //--------------------------------------------------------------------- OctreeSphereSceneQuery::~OctreeSphereSceneQuery() {} //--------------------------------------------------------------------- void OctreeSphereSceneQuery::execute(SceneQueryListener* listener) { list< SceneNode * >::type _list; //find the nodes that intersect the AAB static_cast( mParentSceneMgr ) -> findNodesIn( mSphere, _list, 0 ); //grab all moveables from the node that intersect... list< SceneNode * >::type::iterator it = _list.begin(); while( it != _list.end() ) { SceneNode::ObjectIterator oit = (*it) -> getAttachedObjectIterator(); while( oit.hasMoreElements() ) { MovableObject * m = oit.getNext(); if( (m->getQueryFlags() & mQueryMask) && (m->getTypeFlags() & mQueryTypeMask) && m->isInScene() && mSphere.intersects( m->getWorldBoundingBox() ) ) { listener -> queryResult( m ); // deal with attached objects, since they are not directly attached to nodes if (m->getMovableType() == "Entity") { Entity* e = static_cast(m); Entity::ChildObjectListIterator childIt = e->getAttachedObjectIterator(); while(childIt.hasMoreElements()) { MovableObject* c = childIt.getNext(); if (c->getQueryFlags() & mQueryMask && mSphere.intersects( c->getWorldBoundingBox())) { listener->queryResult(c); } } } } } ++it; } } //--------------------------------------------------------------------- OctreePlaneBoundedVolumeListSceneQuery:: OctreePlaneBoundedVolumeListSceneQuery(SceneManager* creator) : DefaultPlaneBoundedVolumeListSceneQuery(creator) { } //--------------------------------------------------------------------- OctreePlaneBoundedVolumeListSceneQuery::~OctreePlaneBoundedVolumeListSceneQuery() {} //--------------------------------------------------------------------- void OctreePlaneBoundedVolumeListSceneQuery::execute(SceneQueryListener* listener) { set::type checkedSceneNodes; PlaneBoundedVolumeList::iterator pi, piend; piend = mVolumes.end(); for (pi = mVolumes.begin(); pi != piend; ++pi) { list< SceneNode * >::type _list; //find the nodes that intersect the AAB static_cast( mParentSceneMgr ) -> findNodesIn( *pi, _list, 0 ); //grab all moveables from the node that intersect... list< SceneNode * >::type::iterator it, itend; itend = _list.end(); for (it = _list.begin(); it != itend; ++it) { // avoid double-check same scene node if (!checkedSceneNodes.insert(*it).second) continue; SceneNode::ObjectIterator oit = (*it) -> getAttachedObjectIterator(); while( oit.hasMoreElements() ) { MovableObject * m = oit.getNext(); if( (m->getQueryFlags() & mQueryMask) && (m->getTypeFlags() & mQueryTypeMask) && m->isInScene() && (*pi).intersects( m->getWorldBoundingBox() ) ) { listener -> queryResult( m ); // deal with attached objects, since they are not directly attached to nodes if (m->getMovableType() == "Entity") { Entity* e = static_cast(m); Entity::ChildObjectListIterator childIt = e->getAttachedObjectIterator(); while(childIt.hasMoreElements()) { MovableObject* c = childIt.getNext(); if (c->getQueryFlags() & mQueryMask && (*pi).intersects( c->getWorldBoundingBox())) { listener->queryResult(c); } } } } } } }//for } }