# include <config.h>
#endif
-#include <simgear/compiler.h>
-#include <simgear/structure/exception.hxx>
+#include "panelnode.hxx"
#include <vector>
+#include <algorithm>
-#include <Cockpit/panel.hxx>
-#include <Cockpit/panel_io.hxx>
-#include "panelnode.hxx"
+#include <osg/Geode>
-using std::vector;
+#include <simgear/compiler.h>
+#include <simgear/structure/exception.hxx>
+#include <simgear/debug/logstream.hxx>
+#include <simgear/scene/util/OsgMath.hxx>
+#include <simgear/scene/util/SGPickCallback.hxx>
+#include <simgear/scene/util/SGSceneUserData.hxx>
+#include <simgear/scene/util/SGNodeMasks.hxx>
-// Static (!) handling for all 3D panels in the program.
-// OSGFIXME: Put the panel as different elements in the scenegraph.
-// Then just pick in that scenegraph.
-vector<FGPanelNode*> all_3d_panels;
-bool fgHandle3DPanelMouseEvent( int button, int updown, int x, int y )
-{
- for ( unsigned int i = 0; i < all_3d_panels.size(); i++ ) {
- if ( all_3d_panels[i]->doMouseAction(button, updown, x, y) ) {
- return true;
- }
- }
- return false;
-}
+#include <Main/fg_os.hxx>
+#include <Cockpit/panel.hxx>
+#include <Cockpit/panel_io.hxx>
-void fgUpdate3DPanels()
-{
- for ( unsigned int i = 0; i < all_3d_panels.size(); i++ ) {
- all_3d_panels[i]->getPanel()->updateMouseDelay();
- }
-}
-FGPanelNode::FGPanelNode(SGPropertyNode* props)
-{
- int i;
+using std::vector;
+class FGPanelPickCallback : public SGPickCallback {
+public:
+ FGPanelPickCallback(FGPanelNode* p) :
+ panel(p)
+ {}
+
+ virtual bool buttonPressed(int b, const Info& info)
+ {
+ button = b;
+ // convert to panel coordinates
+ osg::Matrixd m = osg::Matrixd::inverse(panel->transformMatrix());
+ picked = toOsg(info.local) * m;
+ SG_LOG( SG_INSTR, SG_DEBUG, "panel pick: " << toSG(picked) );
+
+ // send to the panel
+ return panel->getPanel()->doLocalMouseAction(button, MOUSE_BUTTON_DOWN,
+ picked.x(), picked.y());
+ }
+
+ virtual void update(double /* dt */)
+ {
+ panel->getPanel()->updateMouseDelay();
+ }
+
+ virtual void buttonReleased(void)
+ {
+ panel->getPanel()->doLocalMouseAction(button, MOUSE_BUTTON_UP,
+ picked.x(), picked.y());
+ }
+
+private:
+ FGPanelNode* panel;
+ int button;
+ osg::Vec3 picked;
+};
+
+FGPanelNode::FGPanelNode(SGPropertyNode* props) :
+ _resizeToViewport(false)
+{
// Make an FGPanel object. But *don't* call init() or bind() on
// it -- those methods touch static state.
const char *path = props->getStringValue("path");
if (!_panel)
throw sg_io_exception(string("Failed to load panel ") + path);
- // Never mind. We *have* to call init to make sure the static
- // state is initialized (it's not, if there aren't any 2D
- // panels). This is a memory leak and should be fixed!`
- // FIXME
- _panel->init();
-
- _panel->setDepthTest( props->getBoolValue("depth-test") );
-
- // Read out the pixel-space info
- _xmax = _panel->getWidth();
- _ymax = _panel->getHeight();
-
// And the corner points
SGPropertyNode* pt = props->getChild("bottom-left");
_bottomLeft[0] = pt->getFloatValue("x-m");
_bottomLeft[1] = pt->getFloatValue("y-m");
_bottomLeft[2] = pt->getFloatValue("z-m");
-
+
pt = props->getChild("top-left");
_topLeft[0] = pt->getFloatValue("x-m");
_topLeft[1] = pt->getFloatValue("y-m");
_topLeft[2] = pt->getFloatValue("z-m");
-
+
pt = props->getChild("bottom-right");
_bottomRight[0] = pt->getFloatValue("x-m");
_bottomRight[1] = pt->getFloatValue("y-m");
_bottomRight[2] = pt->getFloatValue("z-m");
+
+ _panel->setDepthTest( props->getBoolValue("depth-test") );
+
+ initWithPanel();
+}
+
+FGPanelNode::FGPanelNode(FGPanel* p) :
+ _panel(p),
+ _resizeToViewport(true)
+{
+ initWithPanel();
+}
+
+void FGPanelNode::initWithPanel()
+{
+ int i;
+
+ // Never mind. We *have* to call init to make sure the static
+ // state is initialized (it's not, if there aren't any 2D
+ // panels). This is a memory leak and should be fixed!`
+ // FIXME
+ _panel->init();
+
+ // Read out the pixel-space info
+ _xmax = _panel->getWidth();
+ _ymax = _panel->getHeight();
+
// Now generate our transformation matrix. For shorthand, use
// "a", "b", and "c" as our corners and "m" as the matrix. The
m(1,i) *= 1.0/_ymax;
}
- _lastViewport[0] = 0;
- _lastViewport[1] = 0;
- _lastViewport[2] = 0;
- _lastViewport[3] = 0;
-
dirtyBound();
-
- // All done. Add us to the list
- all_3d_panels.push_back(this);
-
setUseDisplayList(false);
+ setDataVariance(Object::DYNAMIC);
+
getOrCreateStateSet()->setRenderingHint(osg::StateSet::TRANSPARENT_BIN);
getOrCreateStateSet()->setMode(GL_BLEND, osg::StateAttribute::ON);
}
delete _panel;
}
+osg::Matrix FGPanelNode::transformMatrix() const
+{
+ if (!_resizeToViewport) {
+ return _xform;
+ }
+
+ double s = _panel->getAspectScale();
+ osg::Matrix m = osg::Matrix::scale(s, s, 1.0);
+ m *= osg::Matrix::translate(_panel->getXOffset(), _panel->getYOffset(), 0.0);
+
+ return m;
+}
+
void
FGPanelNode::drawImplementation(osg::State& state) const
-{
+{
osg::ref_ptr<osg::RefMatrix> mv = new osg::RefMatrix;
- mv->set(_xform*state.getModelViewMatrix());
+ mv->set(transformMatrix() * state.getModelViewMatrix());
state.applyModelViewMatrix(mv.get());
- // Grab the matrix state, so that we can get back from screen
- // coordinates to panel coordinates when the user clicks the
- // mouse.
- // OSGFIXME: we don't need that when we can really pick
- _lastModelview = state.getModelViewMatrix();
- _lastProjection = state.getProjectionMatrix();
-
- const osg::Viewport* vp = state.getCurrentViewport();
- _lastViewport[0] = vp->x();
- _lastViewport[1] = vp->y();
- _lastViewport[2] = vp->width();
- _lastViewport[3] = vp->height();
-
_panel->draw(state);
}
osg::BoundingBox
FGPanelNode::computeBound() const
{
+ osg::Vec3 coords[4];
+ osg::Matrix m(transformMatrix());
+ coords[0] = m.preMult(osg::Vec3(0,0,0));
+ coords[1] = m.preMult(osg::Vec3(_xmax,0,0));
+ coords[2] = m.preMult(osg::Vec3(0,_ymax,0));
+
osg::BoundingBox bb;
- bb.expandBy(_bottomLeft);
- bb.expandBy(_bottomRight);
- bb.expandBy(_topLeft);
+ bb.expandBy(coords[0]);
+ bb.expandBy(coords[1]);
+ bb.expandBy(coords[2]);
return bb;
}
-bool FGPanelNode::doMouseAction(int button, int updown, int x, int y)
+void FGPanelNode::accept(osg::PrimitiveFunctor& functor) const
{
- if (_lastViewport[2] == 0 || _lastViewport[3] == 0) {
- // we haven't been drawn yet, presumably
- return false;
- }
+ osg::Vec3 coords[4];
+ osg::Matrix m(transformMatrix());
+
+ coords[0] = m.preMult(osg::Vec3(0,0,0));
+ coords[1] = m.preMult(osg::Vec3(_xmax,0,0));
+ coords[2] = m.preMult(osg::Vec3(_xmax, _ymax, 0));
+ coords[3] = m.preMult(osg::Vec3(0,_ymax,0));
+
+ functor.setVertexArray(4, coords);
+ functor.drawArrays( GL_QUADS, 0, 4);
+}
+
+static osg::Node* createGeode(FGPanelNode* panel)
+{
+ osg::Geode* geode = new osg::Geode;
+ geode->addDrawable(panel);
+
+ geode->setNodeMask(SG_NODEMASK_PICK_BIT | SG_NODEMASK_2DPANEL_BIT);
+
+ SGSceneUserData* userData;
+ userData = SGSceneUserData::getOrCreateSceneUserData(geode);
+ userData->setPickCallback(new FGPanelPickCallback(panel));
+ return geode;
+}
- // Covert the screen coordinates to viewport coordinates in the
- // range [0:1], then transform to OpenGL "post projection" coords
- // in [-1:1]. Remember the difference in Y direction!
- float vx = (x + 0.5 - _lastViewport[0]) / _lastViewport[2];
- float vy = (y + 0.5 - _lastViewport[1]) / _lastViewport[3];
- vx = 2*vx - 1;
- vy = 1 - 2*vy;
-
- // Make two vectors in post-projection coordinates at the given
- // screen, one in the near field and one in the far field.
- osg::Vec3 a, b;
- a[0] = b[0] = vx;
- a[1] = b[1] = vy;
- a[2] = 0.75; // "Near" Z value
- b[2] = -0.75; // "Far" Z value
-
- // Run both vectors "backwards" through the OpenGL matrix
- // transformation. Remember to w-normalize the vectors!
- osg::Matrix m = _lastModelview*_lastProjection;
- m = osg::Matrix::inverse(m);
-
- a = m.preMult(a);
- b = m.preMult(b);
-
- // And find their intersection on the z=0 plane. The resulting X
- // and Y coordinates are the hit location in panel coordinates.
- float dxdz = (b[0] - a[0]) / (b[2] - a[2]);
- float dydz = (b[1] - a[1]) / (b[2] - a[2]);
- int panelX = (int)(a[0] - a[2]*dxdz + 0.5);
- int panelY = (int)(a[1] - a[2]*dydz + 0.5);
-
- return _panel->doLocalMouseAction(button, updown, panelX, panelY);
+osg::Node* FGPanelNode::createNode(FGPanel* p)
+{
+ FGPanelNode* drawable = new FGPanelNode(p);
+ return createGeode(drawable);
}
+osg::Node* FGPanelNode::load(SGPropertyNode *n)
+{
+ FGPanelNode* drawable = new FGPanelNode(n);
+ return createGeode(drawable);
+}
projects / flightgear.git / blobdiff