FGFS-4.1/OpenSceneGraph
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From Jeremy Moles, updates to osgWidget

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Merged my Robert Osfield from OpenSceneGraph-osgWidget-dev.
This commit is contained in:
Robert Osfield
2008-11-28 14:35:33 +00:00
parent d3b2d9b074
commit 9748fdd605
35 changed files with 1234 additions and 639 deletions
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107
src/osgWidget/Util.cpp
View File

@@ -1,5 +1,4 @@
// -*-c++-*- osgWidget - Code by: Jeremy Moles (cubicool) 2007-2008
// $Id: Util.cpp 59 2008-05-15 20:55:31Z cubicool $
#include <osg/io_utils>
@@ -36,14 +35,6 @@ std::string generateRandomName(const std::string& base) {
return ss.str();
}
osg::Matrix createInvertedYOrthoProjectionMatrix(matrix_type width, matrix_type height) {
osg::Matrix m = osg::Matrix::ortho2D(0.0f, width, 0.0f, height);
osg::Matrix s = osg::Matrix::scale(1.0f, -1.0f, 1.0f);
osg::Matrix t = osg::Matrix::translate(0.0f, -height, 0.0f);
return t * s * m;
}
osg::Camera* createOrthoCamera(matrix_type width, matrix_type height) {
osg::Camera* camera = new osg::Camera();
@@ -61,20 +52,12 @@ osg::Camera* createOrthoCamera(matrix_type width, matrix_type height) {
return camera;
}
osg::Camera* createInvertedYOrthoCamera(matrix_type width, matrix_type height) {
osg::Camera* camera = createOrthoCamera(width, height);
int createExample(osgViewer::Viewer& viewer, WindowManager* wm, osg::Node* node) {
if(!wm) return 1;
camera->setProjectionMatrix(createInvertedYOrthoProjectionMatrix(width, height));
return camera;
}
osg::Group* _createExampleCommon(osgViewer::View* view, WindowManager* wm, osg::Node* node) {
if(!wm) return 0;
view->setUpViewInWindow(
0,
0,
viewer.setUpViewInWindow(
50,
50,
static_cast<int>(wm->getWidth()),
static_cast<int>(wm->getHeight())
);
@@ -86,87 +69,23 @@ osg::Group* _createExampleCommon(osgViewer::View* view, WindowManager* wm, osg::
if(node) group->addChild(node);
view->addEventHandler(new osgWidget::MouseHandler(wm));
view->addEventHandler(new osgWidget::KeyboardHandler(wm));
view->addEventHandler(new osgWidget::ResizeHandler(wm, camera));
view->addEventHandler(new osgViewer::StatsHandler());
view->addEventHandler(new osgViewer::WindowSizeHandler());
view->addEventHandler(new osgGA::StateSetManipulator(
view->getCamera()->getOrCreateStateSet()
viewer.addEventHandler(new osgWidget::MouseHandler(wm));
viewer.addEventHandler(new osgWidget::KeyboardHandler(wm));
viewer.addEventHandler(new osgWidget::ResizeHandler(wm, camera));
viewer.addEventHandler(new osgWidget::CameraSwitchHandler(wm, camera));
viewer.addEventHandler(new osgViewer::StatsHandler());
viewer.addEventHandler(new osgViewer::WindowSizeHandler());
viewer.addEventHandler(new osgGA::StateSetManipulator(
viewer.getCamera()->getOrCreateStateSet()
));
wm->resizeAllWindows();
return group;
}
int createExample(osgViewer::Viewer& viewer, WindowManager* wm, osg::Node* node) {
osg::Group* group = _createExampleCommon(&viewer, wm, node);
viewer.setSceneData(group);
return viewer.run();
}
// TODO: This function is totally broken; I don't really have any idea of how to do this.
// Incredibly frustrating stuff.
int createCompositeExample(
osgViewer::CompositeViewer& viewer,
osgViewer::View* view,
WindowManager* wm,
osg::Node* node
) {
osg::Group* group = _createExampleCommon(view, wm, node);
osg::MatrixTransform* watcher = new osg::MatrixTransform();
watcher->addChild(wm);
// Setup the main 2D view.
viewer.addView(view);
view->setSceneData(group);
// The view that "watches" the main view.
osgViewer::View* viewWatcher = new osgViewer::View();
viewer.addView(viewWatcher);
int w = static_cast<int>(wm->getWidth());
int h = static_cast<int>(wm->getHeight());
viewWatcher->setUpViewInWindow(0, 0, w, h);
// Setup our parent MatrixTransform so things look right in perspective.
watcher->setMatrix(
osg::Matrix::scale(1.0f, -1.0f, 1000.0f) *
osg::Matrix::rotate(osg::DegreesToRadians(90.0f), osg::Vec3d(1.0f, 0.0f, 0.0f))
);
watcher->getOrCreateStateSet()->setAttributeAndModes(
new osg::Scissor(0, 0, w, h),
osg::StateAttribute::OVERRIDE
);
osgGA::TrackballManipulator* tb = new osgGA::TrackballManipulator();
warn() << watcher->getMatrix() << std::endl;
/*
const osg::BoundingSphere& bs = watcher->getBound();
tb->setHomePosition(
bs.center() + osg::Vec3(0.0f, -3.5f * bs.radius(), 0.0f),
bs.center(),
osg::Vec3(0.0f, 1.0f, 0.0f)
);
*/
viewWatcher->setSceneData(watcher);
viewWatcher->setCameraManipulator(tb);
return viewer.run();
}
bool writeWindowManagerNode(WindowManager* wm) {
osgDB::writeNodeFile(*wm->getParent(0), "osgWidget.osg");