source: experimental/distortionNG/DistortionSet.h @ 425

Last change on this file since 425 was 408, checked in by Torben Dannhauer, 12 years ago
File size: 6.2 KB
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1#ifndef OSGVIEWER_DistortionSet
2#define OSGVIEWER_DistortionSet 1
3
4/* -*-c++-*- osgVisual - Copyright (C) 2009-2012 Torben Dannhauer
5 *
6 * This library is based on OpenSceneGraph, open source and may be redistributed and/or modified under
7 * the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or
8 * (at your option) any later version.  The full license is in LICENSE file
9 * included with this distribution, and on the openscenegraph.org website.
10 *
11 * osgVisual requires for some proprietary modules a license from the correspondig manufacturer.
12 * You have to aquire licenses for all used proprietary modules.
13 *
14 * This library is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
17 * OpenSceneGraph Public License for more details.
18*/
19
20#include <osg/Object>
21#include <osg/Image>
22#include <osg/Matrixd>
23#include <osg/Camera>
24#include <osg/Switch>
25#include <osg/Shader>
26#include <osg/Geometry>
27
28namespace osgViewer {
29
30class DistortionSet : public osg::Object
31{
32public:
33        enum DistortionInternals {
34                MESH = 0,
35                HIGHLIGHTER = 1,
36                HUD = 2
37        };
38
39        META_Object(osgViewer,DistortionSet);   // Required for serializer
40
41        DistortionSet(const osgViewer::DistortionSet& ds, const osg::CopyOp& copyop=osg::CopyOp::SHALLOW_COPY): // Required for serializer
42                _distortionMeshRows(ds._distortionMeshRows),
43                _distortionMeshColumns(ds._distortionMeshColumns),
44                //osg::PrimitiveSet::Mode _MeshType
45                _intensityMap(ds._intensityMap),
46                _texUnitScene(ds._texUnitScene),
47                _texUnitIntensityMap(ds._texUnitIntensityMap),
48                _viewOffset(ds._viewOffset),
49                _projectionOffset(ds._projectionOffset),
50                _showIntesityMapMapOnly(ds._showIntesityMapMapOnly){}
51
52        DistortionSet();
53        virtual ~DistortionSet();
54
55        // Working access
56        bool isDirty(){return(_meshDirty || _matrixDirty);}
57        void dirtyMesh(){_meshDirty = true;}
58        void dirtyMatrix(){_matrixDirty = true;}
59        void clearDirtyStatus() { _meshDirty = false; _matrixDirty = false;}
60       
61        void setDistortionMeshDimensions(int rows, int cols, bool enforceMeshRebuild=false);
62
63        osg::Image* getIntensityMap()  { return _intensityMap; }        // Also for manipulating the intensity map
64        bool& getShowIntensityMapOnlyAsRef()    { return _showIntesityMapMapOnly;}
65
66        void setSceneCamera(osg::Camera* camera)        { _sceneCamera = camera;}
67        osg::Camera* getSceneCamera()   { return _sceneCamera.get(); }
68
69        void setDistortionCamera(osg::Camera* camera)   { _distortionCamera = camera;}
70        osg::Camera* getDistortionCamera()      { return _distortionCamera.get(); }
71
72        osg::Switch* getDistortionInternals()   { return _distortionInternals; }
73
74        osg::Shader* getShaderIntensityMap()    { return shaderIntensityMap; }
75        void setShaderIntensityMap(osg::Shader* shader) { shaderIntensityMap = shader; }
76        osg::Shader* getShaderIntensityMapVis() { return shaderIntensityMapVis; }
77        void setShaderIntensityMapVis(osg::Shader* shader)      { shaderIntensityMapVis = shader; }
78
79        osg::Matrixd& getProjectionOffset() { return _projectionOffset; }
80
81
82
83        // Serializer Access
84        void setDistortionMeshRows(int distortionMeshRows)              { _distortionMeshRows = distortionMeshRows; }
85        int getDistortionMeshRows() const       { return _distortionMeshRows; }
86
87        void setDistortionMeshColumns(int distortionMeshColumns)                { _distortionMeshColumns = distortionMeshColumns; }
88        int getDistortionMeshColumns() const    { return _distortionMeshColumns; }
89
90        void setDistortionMesh(osg::Vec4Array* distortionMesh)  { _distortionMesh = distortionMesh; }
91        const osg::Vec4Array* getDistortionMesh() const { return _distortionMesh; }
92
93        void setMeshType(GLenum meshType) { _meshType = meshType; }
94    inline GLenum getMeshType() const { return _meshType; }
95
96        void setIntensityMap(osg::Image* intensityMap)          { _intensityMap = intensityMap; }
97        const osg::Image* getIntensityMap() const       { return _intensityMap; }
98
99
100        void setTexUnitScene(unsigned int texUnitScene)         { _texUnitScene = texUnitScene; }
101        unsigned int getTexUnitScene() const    { return _texUnitScene; }
102
103        void setTexUnitIntensityMap(unsigned int texUnitIntensityMap)   { _texUnitIntensityMap = texUnitIntensityMap; }
104        unsigned int getTexUnitIntensityMap() const     { return _texUnitIntensityMap; }
105
106        void setViewOffset(const osg::Matrixd& viewOffset)      { _viewOffset = viewOffset; }
107        const osg::Matrixd& getViewOffset() const       { return _viewOffset; }
108
109        void setProjectionOffset(const osg::Matrixd& projectionOffset)          { _projectionOffset = projectionOffset; }
110        const osg::Matrixd& getProjectionOffset() const { return _projectionOffset; }
111
112        void setShowIntensityMapOnly(bool show) {_showIntesityMapMapOnly = show;}
113        bool getShowIntensityMapOnly() const    { return _showIntesityMapMapOnly;}
114
115
116private:
117        // Blendmap has no dirty flag because changes of the intensityMap is directly effective.
118        bool _meshDirty;
119        bool _matrixDirty;
120
121        int _distortionMeshRows;
122        int _distortionMeshColumns;
123        osg::ref_ptr<osg::Vec4Array> _distortionMesh;   // x,y = vertex coordinates, z,t=textureCoordinates
124        GLenum _meshType;
125       
126        osg::ref_ptr<osg::Image> _intensityMap;
127        unsigned int _texUnitScene;
128        unsigned int _texUnitIntensityMap;
129
130        osg::Matrixd _viewOffset;
131        osg::Matrixd _projectionOffset;
132
133        // Interconnect-Pointer to allow access between distortion elements (osgViewer) and the distortion manipulator.
134        // These variable are therefor not saved/restored by the serializer but populated on runtime.
135        bool _showIntesityMapMapOnly;   // Intensity Blending is done by a frag shader. To control it on runtime, the uniform must be bound to a central variable.
136        osg::observer_ptr<osg::Camera> _sceneCamera;    // us used to pass the scene camera to the manipulator to allow matrix changes of the camera
137        osg::observer_ptr<osg::Camera> _distortionCamera;       // is used to pass the distortion cam from osgViewers setupDistortion() method to the manipulator.
138        osg::ref_ptr<osg::Switch> _distortionInternals; // definition: child #0 = mesh, #1 = highlighter, #2 HUD
139
140        osg::ref_ptr<osg::Shader> shaderIntensityMap;   // used in 99%, it provides active intensity map blending
141        osg::ref_ptr<osg::Shader> shaderIntensityMapVis;        // only used during setup process, this shaders discards the fragment color and only displays the intensitymapcolor to visualize the blendmap
142};
143
144}
145
146
147#endif
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