source: GTP/trunk/Lib/Vis/Preprocessing/src/SceneGraph.h @ 2643

Revision 2643, 2.4 KB checked in by mattausch, 17 years ago (diff)

compiling under release internal

Line 
1#ifndef _SceneGraph_H__
2#define _SceneGraph_H__
3
4#include <string>
5#include "Containers.h"
6#include "AxisAlignedBox3.h"
7#include "Matrix4x4.h"
8
9namespace GtpVisibilityPreprocessor {
10
11class SceneGraphLeafIntersectable;
12class CKTB;
13
14
15/** Basic scene graph node, we are interested only in bounding boxes and topology
16    of the scene graph
17*/
18class SceneGraphNode
19{
20public:
21
22        virtual ~SceneGraphNode();
23        virtual bool IsLeaf() const = 0;
24
25        virtual void UpdateBox() = 0;
26
27        virtual AxisAlignedBox3 GetBox() const { return mBox; }
28
29protected:
30
31        AxisAlignedBox3 mBox;
32};
33 
34
35
36/** Scene graph interior node.
37*/
38class SceneGraphInterior: public SceneGraphNode
39{
40public:
41        virtual bool IsLeaf() const { return false; }
42        virtual void UpdateBox();
43
44        ~SceneGraphInterior();
45
46//protected:
47
48        SceneGraphNodeContainer mChildren;
49};
50
51
52/** Scene graph leaf node.
53*/
54class SceneGraphLeaf: public SceneGraphNode
55{
56public:
57
58        SceneGraphLeaf();
59        SceneGraphLeaf(bool isDynamic);
60        ~SceneGraphLeaf();
61       
62        void LoadTransform(const Matrix4x4 &m);
63
64        void GetTransform(Matrix4x4 &m) const;
65
66        virtual AxisAlignedBox3 GetBox() const;
67
68        virtual void ApplyTransform(const Matrix4x4 &trafo);
69        virtual bool IsDynamic() const { return mIsDynamic;}
70        virtual bool IsLeaf() const { return true; }
71        virtual void UpdateBox();
72
73#if DYNAMIC_OBJECTS_HACK
74        SceneGraphLeafIntersectable *GetIntersectable() { return mIntersectable; }
75#endif
76
77        /// used as actual pvs entry
78        ObjectContainer mGeometry;
79  const Matrix4x4 &GetTransformation() const { return mTrafo; }
80protected:
81
82#if DYNAMIC_OBJECTS_HACK
83       
84        SceneGraphLeafIntersectable *mIntersectable;
85        CKTB *mKtbTree;
86
87#endif
88
89        bool mIsDynamic;
90        Matrix4x4 mTrafo;
91};
92
93
94
95/** Scene graph class
96*/
97class SceneGraph
98{
99
100public:
101
102        SceneGraph();
103        ~SceneGraph();
104       
105        bool Export(const std::string filename);
106 
107        int CollectObjects(ObjectContainer &instances);
108 
109        int AssignObjectIds();
110 
111        void GetStatistics(int &intersectables, int &faces) const;
112
113        AxisAlignedBox3 GetBox() const { return mRoot->GetBox(); }
114        /** Exports binary version of the scene.
115        */
116        void ExportScene(const std::string filename);
117        /** Loads binary version of the scene.
118        */
119        void LoadScene(const std::string filename);
120
121        SceneGraphInterior *GetRoot();
122
123        //void SetRoot(SceneGraphNode *sgNnode);
124        void SetRoot(SceneGraphInterior *sgNnode);
125
126        void AddChild(SceneGraphNode *node);
127
128        int GetSize() const;
129
130protected:
131
132         SceneGraphInterior *mRoot;
133};
134
135
136}
137
138#endif
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