#include <stdio.h>
#include <string.h>
-#include <osgUtil/IntersectVisitor>
+#include <osg/Camera>
+#include <osg/Transform>
+#include <osg/MatrixTransform>
+#include <osg/PositionAttitudeTransform>
+#include <osg/CameraView>
+#include <osg/LOD>
+
+#include <osgViewer/Viewer>
#include <simgear/constants.h>
+#include <simgear/sg_inlines.h>
#include <simgear/debug/logstream.hxx>
#include <simgear/scene/tgdb/userdata.hxx>
-#include <simgear/scene/material/Effect.hxx>
-#include <simgear/scene/material/EffectGeode.hxx>
#include <simgear/scene/material/matlib.hxx>
+#include <simgear/scene/material/mat.hxx>
#include <simgear/scene/util/SGNodeMasks.hxx>
+#include <simgear/scene/util/OsgMath.hxx>
#include <simgear/scene/util/SGSceneUserData.hxx>
#include <simgear/scene/model/CheckSceneryVisitor.hxx>
+#include <simgear/scene/sky/sky.hxx>
+
+#include <simgear/bvh/BVHNode.hxx>
+#include <simgear/bvh/BVHLineSegmentVisitor.hxx>
+#include <simgear/structure/commands.hxx>
+#include <Viewer/renderer.hxx>
#include <Main/fg_props.hxx>
+#include <GUI/MouseCursor.hxx>
#include "tilemgr.hxx"
#include "scenery.hxx"
class FGGroundPickCallback : public SGPickCallback {
public:
- virtual bool buttonPressed(int button, const Info& info)
+ FGGroundPickCallback() : SGPickCallback(PriorityScenery)
+ { }
+
+ virtual bool buttonPressed( int button,
+ const osgGA::GUIEventAdapter&,
+ const Info& info )
{
// only on left mouse button
if (button != 0)
}
};
+class FGSceneryIntersect : public osg::NodeVisitor {
+public:
+ FGSceneryIntersect(const SGLineSegmentd& lineSegment,
+ const osg::Node* skipNode) :
+ osg::NodeVisitor(osg::NodeVisitor::TRAVERSE_ACTIVE_CHILDREN),
+ _lineSegment(lineSegment),
+ _skipNode(skipNode),
+ _material(0),
+ _haveHit(false)
+ { }
+
+ bool getHaveHit() const
+ { return _haveHit; }
+ const SGLineSegmentd& getLineSegment() const
+ { return _lineSegment; }
+ const simgear::BVHMaterial* getMaterial() const
+ { return _material; }
+
+ virtual void apply(osg::Node& node)
+ {
+ if (&node == _skipNode)
+ return;
+ if (!testBoundingSphere(node.getBound()))
+ return;
+
+ addBoundingVolume(node);
+ }
+
+ virtual void apply(osg::Group& group)
+ {
+ if (&group == _skipNode)
+ return;
+ if (!testBoundingSphere(group.getBound()))
+ return;
+
+ traverse(group);
+ addBoundingVolume(group);
+ }
+
+ virtual void apply(osg::Transform& transform)
+ { handleTransform(transform); }
+ virtual void apply(osg::Camera& camera)
+ {
+ if (camera.getRenderOrder() != osg::Camera::NESTED_RENDER)
+ return;
+ handleTransform(camera);
+ }
+ virtual void apply(osg::CameraView& transform)
+ { handleTransform(transform); }
+ virtual void apply(osg::MatrixTransform& transform)
+ { handleTransform(transform); }
+ virtual void apply(osg::PositionAttitudeTransform& transform)
+ { handleTransform(transform); }
+
+private:
+ void handleTransform(osg::Transform& transform)
+ {
+ if (&transform == _skipNode)
+ return;
+ // Hmm, may be this needs to be refined somehow ...
+ if (transform.getReferenceFrame() != osg::Transform::RELATIVE_RF)
+ return;
+
+ if (!testBoundingSphere(transform.getBound()))
+ return;
+
+ osg::Matrix inverseMatrix;
+ if (!transform.computeWorldToLocalMatrix(inverseMatrix, this))
+ return;
+ osg::Matrix matrix;
+ if (!transform.computeLocalToWorldMatrix(matrix, this))
+ return;
+
+ SGLineSegmentd lineSegment = _lineSegment;
+ bool haveHit = _haveHit;
+ const simgear::BVHMaterial* material = _material;
+
+ _haveHit = false;
+ _lineSegment = lineSegment.transform(SGMatrixd(inverseMatrix.ptr()));
+
+ addBoundingVolume(transform);
+ traverse(transform);
+
+ if (_haveHit) {
+ _lineSegment = _lineSegment.transform(SGMatrixd(matrix.ptr()));
+ } else {
+ _lineSegment = lineSegment;
+ _material = material;
+ _haveHit = haveHit;
+ }
+ }
+
+ simgear::BVHNode* getNodeBoundingVolume(osg::Node& node)
+ {
+ SGSceneUserData* userData = SGSceneUserData::getSceneUserData(&node);
+ if (!userData)
+ return 0;
+ return userData->getBVHNode();
+ }
+ void addBoundingVolume(osg::Node& node)
+ {
+ simgear::BVHNode* bvNode = getNodeBoundingVolume(node);
+ if (!bvNode)
+ return;
+
+ // Find ground intersection on the bvh nodes
+ simgear::BVHLineSegmentVisitor lineSegmentVisitor(_lineSegment,
+ 0/*startTime*/);
+ bvNode->accept(lineSegmentVisitor);
+ if (!lineSegmentVisitor.empty()) {
+ _lineSegment = lineSegmentVisitor.getLineSegment();
+ _material = lineSegmentVisitor.getMaterial();
+ _haveHit = true;
+ }
+ }
+
+ bool testBoundingSphere(const osg::BoundingSphere& bound) const
+ {
+ if (!bound.valid())
+ return false;
+
+ SGSphered sphere(toVec3d(toSG(bound._center)), bound._radius);
+ return intersects(_lineSegment, sphere);
+ }
+
+ SGLineSegmentd _lineSegment;
+ const osg::Node* _skipNode;
+
+ const simgear::BVHMaterial* _material;
+ bool _haveHit;
+};
+
+class FGScenery::ScenerySwitchListener : public SGPropertyChangeListener
+{
+public:
+ ScenerySwitchListener(FGScenery* scenery) :
+ _scenery(scenery)
+ {
+ SGPropertyNode_ptr maskNode = fgGetNode("/sim/rendering/draw-mask", true);
+ maskNode->getChild("terrain", 0, true)->addChangeListener(this, true);
+ maskNode->getChild("models", 0, true)->addChangeListener(this, true);
+ maskNode->getChild("aircraft", 0, true)->addChangeListener(this, true);
+ maskNode->getChild("clouds", 0, true)->addChangeListener(this, true);
+
+ // legacy compatability option
+ fgGetNode("/sim/rendering/draw-otw")->addChangeListener(this);
+
+ // badly named property, this is what is set by --enable/disable-clouds
+ fgGetNode("/environment/clouds/status")->addChangeListener(this);
+ }
+
+ ~ScenerySwitchListener()
+ {
+ SGPropertyNode_ptr maskNode = fgGetNode("/sim/rendering/draw-mask");
+ for (int i=0; i < maskNode->nChildren(); ++i) {
+ maskNode->getChild(i)->removeChangeListener(this);
+ }
+
+ fgGetNode("/sim/rendering/draw-otw")->removeChangeListener(this);
+ fgGetNode("/environment/clouds/status")->removeChangeListener(this);
+ }
+
+ virtual void valueChanged (SGPropertyNode * node)
+ {
+ bool b = node->getBoolValue();
+ std::string name(node->getNameString());
+
+ if (name == "terrain") {
+ _scenery->scene_graph->setChildValue(_scenery->terrain_branch, b);
+ } else if (name == "models") {
+ _scenery->scene_graph->setChildValue(_scenery->models_branch, b);
+ } else if (name == "aircraft") {
+ _scenery->scene_graph->setChildValue(_scenery->aircraft_branch, b);
+ } else if (name == "clouds") {
+ // clouds live elsewhere in the scene, but we handle them here
+ globals->get_renderer()->getSky()->set_clouds_enabled(b);
+ } else if (name == "draw-otw") {
+ // legacy setting but let's keep it working
+ fgGetNode("/sim/rendering/draw-mask")->setBoolValue("terrain", b);
+ fgGetNode("/sim/rendering/draw-mask")->setBoolValue("models", b);
+ } else if (name == "status") {
+ fgGetNode("/sim/rendering/draw-mask")->setBoolValue("clouds", b);
+ }
+ }
+private:
+ FGScenery* _scenery;
+};
+
+////////////////////////////////////////////////////////////////////////////
+
// Scenery Management system
-FGScenery::FGScenery()
+FGScenery::FGScenery() :
+ _listener(NULL)
{
SG_LOG( SG_TERRAIN, SG_INFO, "Initializing scenery subsystem" );
+ // keep reference to pager singleton, so it cannot be destroyed while FGScenery lives
+ _pager = FGScenery::getPagerSingleton();
}
-FGScenery::~FGScenery() {
+FGScenery::~FGScenery()
+{
+ delete _listener;
}
// Initialize the Scenery Management system
void FGScenery::init() {
// Scene graph root
- scene_graph = new osg::Group;
- scene_graph->setName( "Scene" );
+ scene_graph = new osg::Switch;
+ scene_graph->setName( "FGScenery" );
// Terrain branch
terrain_branch = new osg::Group;
aircraft_branch->setName( "Aircraft" );
scene_graph->addChild( aircraft_branch.get() );
+// choosing to make the interior branch a child of the main
+// aircraft group, for the moment. This simplifes places which
+// assume all aircraft elements are within this group - principally
+// FGODGuage::set_aircraft_texture.
+ interior_branch = new osg::Group;
+ interior_branch->setName( "Interior" );
+
+ osg::LOD* interiorLOD = new osg::LOD;
+ interiorLOD->addChild(interior_branch.get(), 0.0, 50.0);
+ aircraft_branch->addChild( interiorLOD );
+
// Initials values needed by the draw-time object loader
sgUserDataInit( globals->get_props() );
+
+ _listener = new ScenerySwitchListener(this);
+}
+
+void FGScenery::shutdown()
+{
+ sgUserDataInit( NULL );
+
+ scene_graph = NULL;
+ terrain_branch = NULL;
+ models_branch = NULL;
+ aircraft_branch = NULL;
}
-void FGScenery::update(double dt) {
+void FGScenery::update(double dt)
+{
+ SG_UNUSED(dt);
+ // nothing here, don't call again
+ suspend();
}
bool
FGScenery::get_cart_elevation_m(const SGVec3d& pos, double max_altoff,
- double& alt, const SGMaterial** material)
+ double& alt,
+ const simgear::BVHMaterial** material,
+ const osg::Node* butNotFrom)
{
SGGeod geod = SGGeod::fromCart(pos);
geod.setElevationM(geod.getElevationM() + max_altoff);
- return get_elevation_m(geod, alt, material);
+ return get_elevation_m(geod, alt, material, butNotFrom);
}
bool
FGScenery::get_elevation_m(const SGGeod& geod, double& alt,
- const SGMaterial** material)
+ const simgear::BVHMaterial** material,
+ const osg::Node* butNotFrom)
{
SGVec3d start = SGVec3d::fromGeod(geod);
SGGeod geodEnd = geod;
geodEnd.setElevationM(SGMiscd::min(geod.getElevationM() - 10, -10000));
SGVec3d end = SGVec3d::fromGeod(geodEnd);
-
- osgUtil::IntersectVisitor intersectVisitor;
+
+ FGSceneryIntersect intersectVisitor(SGLineSegmentd(start, end), butNotFrom);
intersectVisitor.setTraversalMask(SG_NODEMASK_TERRAIN_BIT);
- osg::ref_ptr<osg::LineSegment> lineSegment;
- lineSegment = new osg::LineSegment(start.osg(), end.osg());
- intersectVisitor.addLineSegment(lineSegment.get());
get_scene_graph()->accept(intersectVisitor);
- bool hits = intersectVisitor.hits();
- if (hits) {
- int nHits = intersectVisitor.getNumHits(lineSegment.get());
- alt = -SGLimitsd::max();
- for (int i = 0; i < nHits; ++i) {
- const osgUtil::Hit& hit
- = intersectVisitor.getHitList(lineSegment.get())[i];
- SGVec3d point;
- point.osg() = hit.getWorldIntersectPoint();
- SGGeod geod = SGGeod::fromCart(point);
- double elevation = geod.getElevationM();
- if (alt < elevation) {
- alt = elevation;
- if (material) {
- *material = 0;
- const EffectGeode* eg
- = dynamic_cast<const EffectGeode*>(hit.getGeode());
- if (eg)
- *material = SGMaterialLib::findMaterial(eg->getEffect());
- }
- }
- }
- }
- return hits;
+ if (!intersectVisitor.getHaveHit())
+ return false;
+
+ geodEnd = SGGeod::fromCart(intersectVisitor.getLineSegment().getEnd());
+ alt = geodEnd.getElevationM();
+ if (material)
+ *material = intersectVisitor.getMaterial();
+
+ return true;
}
bool
FGScenery::get_cart_ground_intersection(const SGVec3d& pos, const SGVec3d& dir,
- SGVec3d& nearestHit)
+ SGVec3d& nearestHit,
+ const osg::Node* butNotFrom)
{
// We assume that starting positions in the center of the earth are invalid
if ( norm1(pos) < 1 )
// computation of ground intersection.
SGVec3d start = pos;
SGVec3d end = start + 1e5*normalize(dir); // FIXME visibility ???
-
- osgUtil::IntersectVisitor intersectVisitor;
+
+ FGSceneryIntersect intersectVisitor(SGLineSegmentd(start, end), butNotFrom);
intersectVisitor.setTraversalMask(SG_NODEMASK_TERRAIN_BIT);
- osg::ref_ptr<osg::LineSegment> lineSegment;
- lineSegment = new osg::LineSegment(start.osg(), end.osg());
- intersectVisitor.addLineSegment(lineSegment.get());
get_scene_graph()->accept(intersectVisitor);
- bool hits = intersectVisitor.hits();
- if (hits) {
- int nHits = intersectVisitor.getNumHits(lineSegment.get());
- double dist = SGLimitsd::max();
- for (int i = 0; i < nHits; ++i) {
- const osgUtil::Hit& hit
- = intersectVisitor.getHitList(lineSegment.get())[i];
- SGVec3d point;
- point.osg() = hit.getWorldIntersectPoint();
- double newdist = length(start - point);
- if (newdist < dist) {
- dist = newdist;
- nearestHit = point;
- }
- }
- }
- return hits;
+ if (!intersectVisitor.getHaveHit())
+ return false;
+
+ nearestHit = intersectVisitor.getLineSegment().getEnd();
+ return true;
}
bool FGScenery::scenery_available(const SGGeod& position, double range_m)
{
- if(globals->get_tile_mgr()->scenery_available(position, range_m))
+ if(globals->get_tile_mgr()->schedule_scenery(position, range_m, 0.0))
{
double elev;
- get_elevation_m(SGGeod::fromGeodM(position, SG_MAX_ELEVATION_M), elev, 0);
+ if (!get_elevation_m(SGGeod::fromGeodM(position, SG_MAX_ELEVATION_M), elev, 0, 0))
+ return false;
SGVec3f p = SGVec3f::fromGeod(SGGeod::fromGeodM(position, elev));
- simgear::CheckSceneryVisitor csnv(getPagerSingleton(), p.osg(), range_m);
+ osg::FrameStamp* framestamp
+ = globals->get_renderer()->getViewer()->getFrameStamp();
+ simgear::CheckSceneryVisitor csnv(_pager, toOsg(p), range_m, framestamp);
// currently the PagedLODs will not be loaded by the DatabasePager
// while the splashscreen is there, so CheckSceneryVisitor force-loads
// missing objects in the main thread
get_scene_graph()->accept(csnv);
- if(!csnv.isLoaded())
+ if(!csnv.isLoaded()) {
+ SG_LOG(SG_TERRAIN, SG_DEBUG, "FGScenery::scenery_available: waiting on CheckSceneryVisitor");
return false;
+ }
return true;
+ } else {
+ SG_LOG(SG_TERRAIN, SG_DEBUG, "FGScenery::scenery_available: waiting on tile manager");
}
return false;
}
+static osg::ref_ptr<SceneryPager> pager;
+
SceneryPager* FGScenery::getPagerSingleton()
{
- static osg::ref_ptr<SceneryPager> pager = new SceneryPager;
+ if (!pager)
+ pager = new SceneryPager;
return pager.get();
}
+
+void FGScenery::resetPagerSingleton()
+{
+ pager = NULL;
+}
+
projects / flightgear.git / blobdiff