3 * Copyright (C) 2006-2007 Mathias Froehlich
5 * This program is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU General Public License as
7 * published by the Free Software Foundation; either version 2 of the
8 * License, or (at your option) any later version.
10 * This program is distributed in the hope that it will be useful, but
11 * WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * General Public License for more details.
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
22 #ifndef SG_SCENE_USERDATA_HXX
23 #define SG_SCENE_USERDATA_HXX
28 #include <simgear/bvh/BVHNode.hxx>
29 #include "SGPickCallback.hxx"
31 class SGSceneUserData : public osg::Object {
33 META_Object(simgear, SGSceneUserData);
35 SGSceneUserData(const SGSceneUserData& rhs,
36 const osg::CopyOp& copyOp = osg::CopyOp::SHALLOW_COPY)
37 : osg::Object(rhs,copyOp),
38 _bvhNode(rhs._bvhNode), _velocity(rhs._velocity),
39 _pickCallbacks(rhs._pickCallbacks)
42 static SGSceneUserData* getSceneUserData(osg::Node* node);
43 static const SGSceneUserData* getSceneUserData(const osg::Node* node);
44 static SGSceneUserData* getOrCreateSceneUserData(osg::Node* node);
46 /// Access to the pick callbacks of a node.
47 unsigned getNumPickCallbacks() const;
48 SGPickCallback* getPickCallback(unsigned i) const;
49 void setPickCallback(SGPickCallback* pickCallback);
50 void addPickCallback(SGPickCallback* pickCallback);
52 const simgear::BVHNode* getBVHNode() const
54 simgear::BVHNode* getBVHNode()
56 void setBVHNode(simgear::BVHNode* bvhNode)
57 { _bvhNode = bvhNode; }
59 struct Velocity : public SGReferenced {
61 linear(SGVec3d::zeros()),
62 angular(SGVec3d::zeros()),
64 id(simgear::BVHNode::getNewId())
69 simgear::BVHNode::Id id;
71 const Velocity* getVelocity() const
73 Velocity* getOrCreateVelocity()
74 { if (!_velocity) _velocity = new Velocity; return _velocity; }
75 void setVelocity(Velocity* velocity)
76 { _velocity = velocity; }
79 // If this node has a collision tree attached, it is stored here
80 SGSharedPtr<simgear::BVHNode> _bvhNode;
82 // Velocity in the childs local coordinate system
83 SGSharedPtr<Velocity> _velocity;
85 /// Scene interaction callbacks
86 std::vector<SGSharedPtr<SGPickCallback> > _pickCallbacks;