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/scene/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 : _bvhNode(rhs._bvhNode), _velocity(rhs._velocity),
38 _pickCallbacks(rhs._pickCallbacks)
41 static SGSceneUserData* getSceneUserData(osg::Node* node);
42 static const SGSceneUserData* getSceneUserData(const osg::Node* node);
43 static SGSceneUserData* getOrCreateSceneUserData(osg::Node* node);
45 /// Access to the pick callbacks of a node.
46 unsigned getNumPickCallbacks() const;
47 SGPickCallback* getPickCallback(unsigned i) const;
48 void setPickCallback(SGPickCallback* pickCallback);
49 void addPickCallback(SGPickCallback* pickCallback);
51 const simgear::BVHNode* getBVHNode() const
53 simgear::BVHNode* getBVHNode()
55 void setBVHNode(simgear::BVHNode* bvhNode)
56 { _bvhNode = bvhNode; }
58 struct Velocity : public SGReferenced {
60 linear(SGVec3d::zeros()),
61 angular(SGVec3d::zeros()),
63 id(simgear::BVHNode::getNewId())
68 simgear::BVHNode::Id id;
70 const Velocity* getVelocity() const
72 Velocity* getOrCreateVelocity()
73 { if (!_velocity) _velocity = new Velocity; return _velocity; }
74 void setVelocity(Velocity* velocity)
75 { _velocity = velocity; }
78 // If this node has a collision tree attached, it is stored here
79 SGSharedPtr<simgear::BVHNode> _bvhNode;
81 // Velocity in the childs local coordinate system
82 SGSharedPtr<Velocity> _velocity;
84 /// Scene interaction callbacks
85 std::vector<SGSharedPtr<SGPickCallback> > _pickCallbacks;