+// fg_os_osgviewer.cxx -- common functions for fg_os interface
+// implemented as an osgViewer
+//
+// Copyright (C) 2007 Tim Moore timoore@redhat.com
+// Copyright (C) 2007 Mathias Froehlich
+//
+// This program is free software; you can redistribute it and/or
+// modify it under the terms of the GNU General Public License as
+// published by the Free Software Foundation; either version 2 of the
+// License, or (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful, but
+// WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+// General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program; if not, write to the Free Software
+// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <algorithm>
+#include <iostream>
+#include <sstream>
+#include <string>
+
#include <stdlib.h>
+#include <boost/foreach.hpp>
+
#include <simgear/compiler.h>
#include <simgear/structure/exception.hxx>
#include <simgear/debug/logstream.hxx>
+#include <simgear/props/props_io.hxx>
+#include <osg/Camera>
#include <osg/GraphicsContext>
#include <osg/Group>
#include <osg/Matrixd>
#include <osg/Viewport>
-#include <osgViewer/StatsHandler>
+#include <osg/Version>
+#include <osg/View>
+#include <osgViewer/ViewerEventHandlers>
#include <osgViewer/Viewer>
#include <osgGA/MatrixManipulator>
+#include <Include/general.hxx>
+#include <Scenery/scenery.hxx>
#include "fg_os.hxx"
+#include "fg_props.hxx"
#include "util.hxx"
#include "globals.hxx"
#include "renderer.hxx"
+#include "CameraGroup.hxx"
+#include "FGEventHandler.hxx"
+#include "WindowBuilder.hxx"
+#include "WindowSystemAdapter.hxx"
+
+#if (FG_OSG_VERSION >= 19008)
+#define OSG_HAS_MOUSE_CURSOR_PATCH
+#endif
// fg_os implementation using OpenSceneGraph's osgViewer::Viewer class
// to create the graphics window and run the event/update/render loop.
-//
-// fg_os callback registration APIs
-//
-
-
-// Event handling and scene graph update is all handled by a
-// manipulator. See FGManipulator.cpp
-void fgRegisterIdleHandler(fgIdleHandler func)
-{
- globals->get_renderer()->getManipulator()->setIdleHandler(func);
-}
-
-void fgRegisterDrawHandler(fgDrawHandler func)
-{
- globals->get_renderer()->getManipulator()->setDrawHandler(func);
-}
-
-void fgRegisterWindowResizeHandler(fgWindowResizeHandler func)
-{
- globals->get_renderer()->getManipulator()->setWindowResizeHandler(func);
-}
-
-void fgRegisterKeyHandler(fgKeyHandler func)
-{
- globals->get_renderer()->getManipulator()->setKeyHandler(func);
-}
-
-void fgRegisterMouseClickHandler(fgMouseClickHandler func)
-{
- globals->get_renderer()->getManipulator()->setMouseClickHandler(func);
-}
-
-void fgRegisterMouseMotionHandler(fgMouseMotionHandler func)
-{
- globals->get_renderer()->getManipulator()->setMouseMotionHandler(func);
-}
-
-// Redraw "happens" every frame whether you want it or not.
-void fgRequestRedraw()
-{
-}
//
// fg_os implementation
//
+using namespace std;
+using namespace flightgear;
+using namespace osg;
static osg::ref_ptr<osgViewer::Viewer> viewer;
+static osg::ref_ptr<osg::Camera> mainCamera;
-void fgOSOpenWindow(int w, int h, int bpp,
- bool alpha, bool stencil, bool fullscreen)
+void fgOSOpenWindow(bool stencil)
{
+ osg::GraphicsContext::WindowingSystemInterface* wsi
+ = osg::GraphicsContext::getWindowingSystemInterface();
+
viewer = new osgViewer::Viewer;
- // Avoid complications with fg's custom drawables.
- viewer->setThreadingModel(osgViewer::Viewer::SingleThreaded);
- osg::ref_ptr<osg::GraphicsContext::Traits> traits
- = new osg::GraphicsContext::Traits;
- int cbits = (bpp <= 16) ? 5 : 8;
- int zbits = (bpp <= 16) ? 16 : 24;
- traits->width = w;
- traits->height = h;
- traits->red = traits->green = traits->blue = cbits;
- traits->depth = zbits;
- if (alpha)
- traits->alpha = 8;
- if (stencil)
- traits->stencil = 8;
- if (fullscreen)
- traits->windowDecoration = false;
+ viewer->setDatabasePager(FGScenery::getPagerSingleton());
+ CameraGroup* cameraGroup = 0;
+ std::string mode;
+ mode = fgGetString("/sim/rendering/multithreading-mode", "SingleThreaded");
+ if (mode == "AutomaticSelection")
+ viewer->setThreadingModel(osgViewer::Viewer::AutomaticSelection);
+ else if (mode == "CullDrawThreadPerContext")
+ viewer->setThreadingModel(osgViewer::Viewer::CullDrawThreadPerContext);
+ else if (mode == "DrawThreadPerContext")
+ viewer->setThreadingModel(osgViewer::Viewer::DrawThreadPerContext);
+ else if (mode == "CullThreadPerCameraDrawThreadPerContext")
+ viewer->setThreadingModel(osgViewer::Viewer::CullThreadPerCameraDrawThreadPerContext);
else
- traits->windowDecoration = true;
- traits->supportsResize = true;
- traits->doubleBuffer = true;
- osg::GraphicsContext* gc
- = osg::GraphicsContext::createGraphicsContext(traits.get());
- viewer->getCamera()->setGraphicsContext(gc);
- // If a viewport isn't set on the camera, then it's hard to dig it
- // out of the SceneView objects in the viewer, and the coordinates
- // of mouse events are somewhat bizzare.
- viewer->getCamera()->setViewport(new osg::Viewport(0, 0,
- traits->width,
- traits->height));
- viewer->setCameraManipulator(globals->get_renderer()->getManipulator());
+ viewer->setThreadingModel(osgViewer::Viewer::SingleThreaded);
+ WindowBuilder::initWindowBuilder(stencil);
+ WindowBuilder *windowBuilder = WindowBuilder::getWindowBuilder();
+
+ // Look for windows, camera groups, and the old syntax of
+ // top-level cameras
+ SGPropertyNode* renderingNode = fgGetNode("/sim/rendering");
+ SGPropertyNode* cgroupNode = renderingNode->getNode("camera-group", true);
+ bool oldSyntax = !cgroupNode->hasChild("camera");
+ if (oldSyntax) {
+ for (int i = 0; i < renderingNode->nChildren(); ++i) {
+ SGPropertyNode* propNode = renderingNode->getChild(i);
+ const char* propName = propNode->getName();
+ if (!strcmp(propName, "window") || !strcmp(propName, "camera")) {
+ SGPropertyNode* copiedNode
+ = cgroupNode->getNode(propName, propNode->getIndex(), true);
+ copyProperties(propNode, copiedNode);
+ }
+ }
+ vector<SGPropertyNode_ptr> cameras = cgroupNode->getChildren("camera");
+ SGPropertyNode* masterCamera = 0;
+ BOOST_FOREACH(SGPropertyNode_ptr& camera, cameras) {
+ if (camera->getDoubleValue("shear-x", 0.0) == 0.0
+ && camera->getDoubleValue("shear-y", 0.0) == 0.0) {
+ masterCamera = camera.ptr();
+ break;
+ }
+ }
+ if (!masterCamera) {
+ masterCamera = cgroupNode->getChild("camera", cameras.size(), true);
+ setValue(masterCamera->getNode("window/name", true),
+ windowBuilder->getDefaultWindowName());
+ }
+ SGPropertyNode* nameNode = masterCamera->getNode("window/name");
+ if (nameNode)
+ setValue(cgroupNode->getNode("gui/window/name", true),
+ nameNode->getStringValue());
+ }
+ cameraGroup = CameraGroup::buildCameraGroup(viewer.get(), cgroupNode);
+ Camera* guiCamera = getGUICamera(cameraGroup);
+ if (guiCamera) {
+ Viewport* guiViewport = guiCamera->getViewport();
+ fgSetInt("/sim/startup/xsize", guiViewport->width());
+ fgSetInt("/sim/startup/ysize", guiViewport->height());
+ }
+ FGEventHandler* manipulator = globals->get_renderer()->getEventHandler();
+ WindowSystemAdapter* wsa = WindowSystemAdapter::getWSA();
+ if (wsa->windows.size() != 1) {
+ manipulator->setResizable(false);
+ }
+ viewer->getCamera()->setProjectionResizePolicy(osg::Camera::FIXED);
+ viewer->addEventHandler(manipulator);
// Let FG handle the escape key with a confirmation
viewer->setKeyEventSetsDone(0);
- osgViewer::StatsHandler* statsHandler = new osgViewer::StatsHandler;
- statsHandler->setKeyEventTogglesOnScreenStats('*');
- statsHandler->setKeyEventPrintsOutStats(0);
- viewer->addEventHandler(statsHandler);
// The viewer won't start without some root.
viewer->setSceneData(new osg::Group);
globals->get_renderer()->setViewer(viewer.get());
+ CameraGroup::setDefault(cameraGroup);
}
static int status = 0;
void fgOSExit(int code)
{
viewer->setDone(true);
+ viewer->getDatabasePager()->cancel();
status = code;
}
void fgOSMainLoop()
{
- viewer->run();
+ ref_ptr<FGEventHandler> manipulator
+ = globals->get_renderer()->getEventHandler();
+ viewer->setReleaseContextAtEndOfFrameHint(false);
+ while (!viewer->done()) {
+ fgIdleHandler idleFunc = manipulator->getIdleHandler();
+ fgDrawHandler drawFunc = manipulator->getDrawHandler();
+ if (idleFunc)
+ (*idleFunc)();
+ if (drawFunc)
+ (*drawFunc)();
+ viewer->frame();
+ }
fgExit(status);
}
int fgGetKeyModifiers()
{
- return globals->get_renderer()->getManipulator()->getCurrentModifiers();
+ return globals->get_renderer()->getEventHandler()->getCurrentModifiers();
}
void fgWarpMouse(int x, int y)
{
- viewer->requestWarpPointer((float)x, (float)y);
+ warpGUIPointer(CameraGroup::getDefault(), x, y);
}
-// Noop
void fgOSInit(int* argc, char** argv)
{
+ WindowSystemAdapter::setWSA(new WindowSystemAdapter);
}
+// Noop
void fgOSFullScreen()
{
- // Noop, but is probably doable
-
}
-// No support in OSG yet
-void fgSetMouseCursor(int cursor)
+#ifdef OSG_HAS_MOUSE_CURSOR_PATCH
+static void setMouseCursor(osg::Camera* camera, int cursor)
{
+ if (!camera)
+ return;
+ osg::GraphicsContext* gc = camera->getGraphicsContext();
+ if (!gc)
+ return;
+ osgViewer::GraphicsWindow* gw;
+ gw = dynamic_cast<osgViewer::GraphicsWindow*>(gc);
+ if (!gw)
+ return;
+
+ osgViewer::GraphicsWindow::MouseCursor mouseCursor;
+ mouseCursor = osgViewer::GraphicsWindow::InheritCursor;
+ if (cursor == MOUSE_CURSOR_NONE)
+ mouseCursor = osgViewer::GraphicsWindow::NoCursor;
+ else if(cursor == MOUSE_CURSOR_POINTER)
+ mouseCursor = osgViewer::GraphicsWindow::RightArrowCursor;
+ else if(cursor == MOUSE_CURSOR_WAIT)
+ mouseCursor = osgViewer::GraphicsWindow::WaitCursor;
+ else if(cursor == MOUSE_CURSOR_CROSSHAIR)
+ mouseCursor = osgViewer::GraphicsWindow::CrosshairCursor;
+ else if(cursor == MOUSE_CURSOR_LEFTRIGHT)
+ mouseCursor = osgViewer::GraphicsWindow::LeftRightCursor;
+ else if(cursor == MOUSE_CURSOR_TOPSIDE)
+ mouseCursor = osgViewer::GraphicsWindow::TopSideCursor;
+ else if(cursor == MOUSE_CURSOR_BOTTOMSIDE)
+ mouseCursor = osgViewer::GraphicsWindow::BottomSideCursor;
+ else if(cursor == MOUSE_CURSOR_LEFTSIDE)
+ mouseCursor = osgViewer::GraphicsWindow::LeftSideCursor;
+ else if(cursor == MOUSE_CURSOR_RIGHTSIDE)
+ mouseCursor = osgViewer::GraphicsWindow::RightSideCursor;
+ else if(cursor == MOUSE_CURSOR_TOPLEFT)
+ mouseCursor = osgViewer::GraphicsWindow::TopLeftCorner;
+ else if(cursor == MOUSE_CURSOR_TOPRIGHT)
+ mouseCursor = osgViewer::GraphicsWindow::TopRightCorner;
+ else if(cursor == MOUSE_CURSOR_BOTTOMLEFT)
+ mouseCursor = osgViewer::GraphicsWindow::BottomLeftCorner;
+ else if(cursor == MOUSE_CURSOR_BOTTOMRIGHT)
+ mouseCursor = osgViewer::GraphicsWindow::BottomRightCorner;
+
+ gw->setCursor(mouseCursor);
}
+#endif
-int fgGetMouseCursor()
+static int _cursor = -1;
+
+void fgSetMouseCursor(int cursor)
{
- return 0;
+ _cursor = cursor;
+#ifdef OSG_HAS_MOUSE_CURSOR_PATCH
+ setMouseCursor(viewer->getCamera(), cursor);
+ for (unsigned i = 0; i < viewer->getNumSlaves(); ++i)
+ setMouseCursor(viewer->getSlave(i)._camera.get(), cursor);
+#endif
}
-void fgMakeCurrent()
+int fgGetMouseCursor()
{
- osg::GraphicsContext* gc = viewer->getCamera()->getGraphicsContext();
- gc->makeCurrent();
+ return _cursor;
}