1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
|
#include "OsgMainApp.hpp"
OsgMainApp::OsgMainApp(){
_lodScale = 1.0f;
_prevFrame = 0;
_initialized = false;
_clean_scene = false;
}
OsgMainApp::~OsgMainApp(){
}
void OsgMainApp::loadModels(){
if(_vModelsToLoad.size()==0) return;
osg::notify(osg::ALWAYS)<<"There are "<<_vModelsToLoad.size()<<" models to load"<<std::endl;
Model newModel;
for(unsigned int i=0; i<_vModelsToLoad.size(); i++){
newModel = _vModelsToLoad[i];
osg::notify(osg::ALWAYS)<<"Loading: "<<newModel.filename<<std::endl;
osg::ref_ptr<osg::Node> loadedModel = osgDB::readNodeFile(newModel.filename);
if (loadedModel == 0) {
osg::notify(osg::ALWAYS)<<"Model not loaded"<<std::endl;
} else {
osg::notify(osg::ALWAYS)<<"Model loaded"<<std::endl;
_vModels.push_back(newModel);
loadedModel->setName(newModel.name);
osg::Shader * vshader = new osg::Shader(osg::Shader::VERTEX, gVertexShader );
osg::Shader * fshader = new osg::Shader(osg::Shader::FRAGMENT, gFragmentShader );
osg::Program * prog = new osg::Program;
prog->addShader ( vshader );
prog->addShader ( fshader );
loadedModel->getOrCreateStateSet()->setAttribute ( prog );
_root->addChild(loadedModel);
}
}
osgViewer::Viewer::Windows windows;
_viewer->getWindows(windows);
for(osgViewer::Viewer::Windows::iterator itr = windows.begin();itr != windows.end();++itr)
{
(*itr)->getState()->setUseModelViewAndProjectionUniforms(true);
(*itr)->getState()->setUseVertexAttributeAliasing(true);
}
_viewer->setSceneData(NULL);
_viewer->setSceneData(_root.get());
_manipulator->getNode();
_viewer->home();
_viewer->getDatabasePager()->clear();
_viewer->getDatabasePager()->registerPagedLODs(_root.get());
_viewer->getDatabasePager()->setUpThreads(3, 1);
_viewer->getDatabasePager()->setTargetMaximumNumberOfPageLOD(2);
_viewer->getDatabasePager()->setUnrefImageDataAfterApplyPolicy(true, true);
_vModelsToLoad.clear();
}
void OsgMainApp::deleteModels(){
if(_vModelsToDelete.size()==0) return;
osg::notify(osg::ALWAYS)<<"There are "<<_vModelsToDelete.size()<<" models to delete"<<std::endl;
Model modelToDelete;
for(unsigned int i=0; i<_vModelsToDelete.size(); i++){
modelToDelete = _vModelsToDelete[i];
osg::notify(osg::ALWAYS)<<"Deleting: "<<modelToDelete.name<<std::endl;
for(unsigned int j=_root->getNumChildren(); j>0; j--){
osg::ref_ptr<osg::Node> children = _root->getChild(j-1);
if(children->getName() == modelToDelete.name){
_root->removeChild(children);
}
}
}
_vModelsToDelete.clear();
osg::notify(osg::ALWAYS)<<"finished"<<std::endl;
}
//Initialization function
void OsgMainApp::initOsgWindow(int x,int y,int width,int height){
__android_log_write(ANDROID_LOG_ERROR, "OSGANDROID",
"Initializing geometry");
//Pending
_notifyHandler = new OsgAndroidNotifyHandler();
_notifyHandler->setTag("Osg Viewer");
osg::setNotifyHandler(_notifyHandler);
osg::notify(osg::ALWAYS)<<"Testing"<<std::endl;
_viewer = new osgViewer::Viewer();
_viewer->setUpViewerAsEmbeddedInWindow(x, y, width, height);
_viewer->setThreadingModel(osgViewer::ViewerBase::SingleThreaded);
_root = new osg::Group();
_viewer->realize();
_viewer->addEventHandler(new osgViewer::StatsHandler);
_viewer->addEventHandler(new osgGA::StateSetManipulator(_viewer->getCamera()->getOrCreateStateSet()));
_viewer->addEventHandler(new osgViewer::ThreadingHandler);
_viewer->addEventHandler(new osgViewer::LODScaleHandler);
_manipulator = new osgGA::KeySwitchMatrixManipulator;
_manipulator->addMatrixManipulator( '1', "Trackball", new osgGA::TrackballManipulator() );
_manipulator->addMatrixManipulator( '2', "Flight", new osgGA::FlightManipulator() );
_manipulator->addMatrixManipulator( '3', "Drive", new osgGA::DriveManipulator() );
_manipulator->addMatrixManipulator( '4', "Terrain", new osgGA::TerrainManipulator() );
_manipulator->addMatrixManipulator( '5', "Orbit", new osgGA::OrbitManipulator() );
_manipulator->addMatrixManipulator( '6', "FirstPerson", new osgGA::FirstPersonManipulator() );
_manipulator->addMatrixManipulator( '7', "Spherical", new osgGA::SphericalManipulator() );
_viewer->setCameraManipulator( _manipulator.get() );
_viewer->getViewerStats()->collectStats("scene", true);
_initialized = true;
}
//Draw
void OsgMainApp::draw(){
//Every load o remove has to be done before any drawing
loadModels();
deleteModels();
_viewer->frame();
}
//Events
void OsgMainApp::mouseButtonPressEvent(float x,float y,int button){
_viewer->getEventQueue()->mouseButtonPress(x, y, button);
}
void OsgMainApp::mouseButtonReleaseEvent(float x,float y,int button){
_viewer->getEventQueue()->mouseButtonRelease(x, y, button);
}
void OsgMainApp::mouseMoveEvent(float x,float y){
_viewer->getEventQueue()->mouseMotion(x, y);
}
void OsgMainApp::keyboardDown(int key){
_viewer->getEventQueue()->keyPress(key);
}
void OsgMainApp::keyboardUp(int key){
_viewer->getEventQueue()->keyRelease(key);
}
//Loading and unloading
void OsgMainApp::loadObject(std::string filePath){
Model newModel;
newModel.filename = filePath;
newModel.name = filePath;
int num = 0;
for(unsigned int i=0;i<_vModels.size();i++){
if(_vModels[i].name==newModel.name)
return;
}
_vModelsToLoad.push_back(newModel);
}
void OsgMainApp::loadObject(std::string name,std::string filePath){
Model newModel;
newModel.filename = filePath;
newModel.name = name;
for(unsigned int i=0;i<_vModels.size();i++){
if(_vModels[i].name==newModel.name){
osg::notify(osg::ALWAYS)<<"Name already used"<<std::endl;
return;
}
}
_vModelsToLoad.push_back(newModel);
}
void OsgMainApp::unLoadObject(int number){
if(_vModels.size() <= number){
osg::notify(osg::FATAL)<<"Index number error"<<std::endl;
return;
}
Model modelToDelete = _vModels[number];
_vModels.erase(_vModels.begin()+number);
_vModelsToDelete.push_back(modelToDelete);
}
void OsgMainApp::clearScene(){
_vModelsToDelete = _vModels;
_vModels.clear();
}
//Other Functions
int OsgMainApp::getNumberObjects(){
return _vModels.size();
}
std::string OsgMainApp::getObjectName(int number){
return _vModels[number].name;
}
void OsgMainApp::setClearColor(osg::Vec4f color){
osg::notify(osg::ALWAYS)<<"Setting Clear Color"<<std::endl;
_viewer->getCamera()->setClearColor(color);
}
osg::Vec4f OsgMainApp::getClearColor(){
osg::notify(osg::ALWAYS)<<"Getting Clear Color"<<std::endl;
return _viewer->getCamera()->getClearColor();
}
|
