GameInstanceServer::ChunkCoordinates GameInstanceServer::positionToChunk(const osg::Vec3f& pos)
{
return ChunkCoordinates(
std::floor(pos.x() / chunksize),
std::floor(pos.y() / chunksize),
std::floor(pos.z() / chunksize));
}
unsigned int PhysicsEngine::addCollisionSphere(osg::Vec3f pos, float radius, float mass)
{
assert(OpenThreads::Thread::CurrentThread() == m_physicsThread);
btSphereShape* newShape = new btSphereShape(radius);
m_collisionShapes.push_back(newShape);
btTransform initialTransform;
initialTransform.setIdentity();
initialTransform.setOrigin(btVector3(pos.x(), pos.y(), pos.z()));
//btMotionState* motionState = new btDefaultMotionState(initialTransform);
//btVector3 inertia;
//newShape->calculateLocalInertia(0.0, inertia);
// TODO: upgrade to the rigid body status?
btCollisionObject* newBody = new btCollisionObject;
newBody->setCollisionShape(newShape);
newBody->setWorldTransform(initialTransform);
m_collisionObjects.insert(std::make_pair(m_nextUsedId, newBody));
++m_nextUsedId;
m_physicsWorld->addCollisionObject(newBody, COLLISION_ASTEROIDGROUP, COLLISION_SHIPGROUP);
return m_nextUsedId - 1;
}
std::string toString(const osg::Vec3f &value)
{
std::stringstream str;
str << value.x() << " " << value.y() << " " << value.z();
return str.str();
}
void Storage::fixNormal (osg::Vec3f& normal, int cellX, int cellY, int col, int row)
{
while (col >= ESM::Land::LAND_SIZE-1)
{
++cellY;
col -= ESM::Land::LAND_SIZE-1;
}
while (row >= ESM::Land::LAND_SIZE-1)
{
++cellX;
row -= ESM::Land::LAND_SIZE-1;
}
while (col < 0)
{
--cellY;
col += ESM::Land::LAND_SIZE-1;
}
while (row < 0)
{
--cellX;
row += ESM::Land::LAND_SIZE-1;
}
ESM::Land* land = getLand(cellX, cellY);
if (land && land->mDataTypes&ESM::Land::DATA_VNML)
{
normal.x() = land->mLandData->mNormals[col*ESM::Land::LAND_SIZE*3+row*3];
normal.y() = land->mLandData->mNormals[col*ESM::Land::LAND_SIZE*3+row*3+1];
normal.z() = land->mLandData->mNormals[col*ESM::Land::LAND_SIZE*3+row*3+2];
normal.normalize();
}
else
normal = osg::Vec3f(0,0,1);
}
osg::Vec3f CoordinateConverter::toLocalVec3(const osg::Vec3f& point)
{
return osg::Vec3f(
point.x() - static_cast<float>(mCellX),
point.y() - static_cast<float>(mCellY),
point.z()
);
}
GeometryTransitPtr CSGGeometry::toOsgGeometry(CGAL::Polyhedron *p) {
GeoPnt3fPropertyRecPtr positions = GeoPnt3fProperty::create();
GeoVec3fPropertyRecPtr normals = GeoVec3fProperty::create();
GeoUInt32PropertyRecPtr indices = GeoUInt32Property::create();
/*
* Iterate over all faces, add their vertices to 'positions' && write indices at
* the same time. Results in no shared vertices && therefore no normal interpolation between
* faces, but makes cubes look good. Well, well...
*/
Matrix localToWorld = getWorldMatrix();
OSG::Vec3f translation;
OSG::Quaternion rotation;
OSG::Vec3f scaleFactor;
OSG::Quaternion scaleOrientation;
localToWorld.getTransform(translation, rotation, scaleFactor, scaleOrientation);
Matrix worldToLocal;
worldToLocal.invertFrom(localToWorld);
// Convert indices && positions
int curIndex = 0;
for (CGAL::Polyhedron::Facet_const_iterator it = p->facets_begin(); it != p->facets_end(); it++) {
CGAL::Polyhedron::Halfedge_around_facet_const_circulator circ = it->facet_begin();
do {
CGAL::Point cgalPos = circ->vertex()->point();
// We need to transform each point from global coordinates into our local coordinate system
// (CGAL uses global, OpenSG has geometry in node-local coords)
OSG::Vec3f vecPos = OSG::Vec3f(CGAL::to_double(cgalPos.x()),
CGAL::to_double(cgalPos.y()),
CGAL::to_double(cgalPos.z()));
OSG::Vec3f localVec = worldToLocal * (vecPos - translation);
OSG::Pnt3f osgPos(localVec.x(), localVec.y(), localVec.z());
positions->addValue(osgPos);
normals->addValue(Vec3f(0,1,0));
indices->addValue(curIndex);
curIndex++;
} while (++circ != it->facet_begin());
}
GeoUInt8PropertyRecPtr types = GeoUInt8Property::create();
types->addValue(GL_TRIANGLES);
GeoUInt32PropertyRecPtr lengths = GeoUInt32Property::create();
lengths->addValue(indices->size());
GeometryRecPtr mesh = Geometry::create();
mesh->setPositions(positions);
mesh->setNormals(normals);
mesh->setIndices(indices);
mesh->setTypes(types);
mesh->setLengths(lengths);
mesh->setMaterial(VRMaterial::getDefault()->getMaterial());
createSharedIndex(mesh);
calcVertexNormals(mesh, 0.523598775598 /*30 deg in rad*/);
return GeometryTransitPtr(mesh);
}
void RippleSimulation::emitRipple(const osg::Vec3f &pos)
{
if (std::abs(pos.z() - mParticleNode->getPosition().z()) < 20)
{
osgParticle::Particle* p = mParticleSystem->createParticle(NULL);
p->setPosition(osg::Vec3f(pos.x(), pos.y(), 0.f));
p->setAngle(osg::Vec3f(0,0, Misc::Rng::rollProbability() * osg::PI * 2 - osg::PI));
}
}
//***********************************************************
//FUNCTION:
void CPickNode::__drawCoordinateLine(const osg::Vec3f& vOrigin, float vLength, osg::ref_ptr<osg::Geode>& vLineNode)
{
osg::ref_ptr<osg::Geometry> CoordGeometry = new osg::Geometry();
osg::ref_ptr<osg::Vec3Array> CoordVertex = new osg::Vec3Array();
CoordVertex->push_back(vOrigin);
CoordVertex->push_back(osg::Vec3(vOrigin.x()+vLength, vOrigin.y(), vOrigin.z()));
CoordVertex->push_back(vOrigin);
CoordVertex->push_back(osg::Vec3(vOrigin.x(), vOrigin.y()+vLength, vOrigin.z()));
CoordVertex->push_back(vOrigin);
CoordVertex->push_back(osg::Vec3(vOrigin.x(), vOrigin.y(), vOrigin.z()+vLength));
CoordGeometry->setVertexArray(CoordVertex.get());
CoordGeometry->addPrimitiveSet(new osg::DrawArrays(osg::PrimitiveSet::LINES, 0, 6));
osg::ref_ptr<osg::Vec4Array> VertColor = new osg::Vec4Array();
VertColor->push_back(osg::Vec4(1.0, 0.0, 0.0, 1.0));
VertColor->push_back(osg::Vec4(1.0, 0.0, 0.0, 1.0));
VertColor->push_back(osg::Vec4(0.0, 1.0, 0.0, 1.0));
VertColor->push_back(osg::Vec4(0.0, 1.0, 0.0, 1.0));
VertColor->push_back(osg::Vec4(0.0, 0.0, 1.0, 1.0));
VertColor->push_back(osg::Vec4(0.0, 0.0, 1.0, 1.0));
CoordGeometry->setColorArray(VertColor.get());
CoordGeometry->setColorBinding(osg::Geometry::BIND_PER_VERTEX);
osg::ref_ptr<osg::LineWidth> LineSize = new osg::LineWidth();
LineSize->setWidth(5);
vLineNode->getOrCreateStateSet()->setAttributeAndModes(LineSize.get(), osg::StateAttribute::ON);
vLineNode->addDrawable(CoordGeometry.get());
}
OSG_BASE_DLLMAPPING bool MatrixLookAt(OSG::Matrix &result,
OSG::Pnt3f from,
OSG::Pnt3f at,
OSG::Vec3f up )
{
Vec3f view;
Vec3f right;
Vec3f newup;
Vec3f tmp;
view = from - at;
view.normalize();
right = up.cross(view);
if(right.dot(right) < TypeTraits<Real>::getDefaultEps())
{
return true;
}
right.normalize();
newup = view.cross(right);
result.setIdentity ();
result.setTranslate(from[0], from[1], from[2]);
Matrix tmpm;
tmpm.setValue(right, newup, view);
result.mult(tmpm);
return false;
}
// Convenience function to calculate the translation base on a time and
// direction parameter.
OSG::Vec3f calcTranslation(OSG::Real32 t, OSG::Vec3f dir)
{
// The 'dir' vector encodes direction and velocity
OSG::Real32 v = dir.length();
OSG::Real32 s = v * t;
return(dir * s);
}
osg::Vec3f ShapeVisitor_RestrictedPositionGetter::toCube( const osg::Vec3f& center, const osg::Vec3f& surfaceX, const osg::Vec3f& surfaceY, const osg::Vec3f& surfaceZ, const osg::Vec3f& point )
{
float distanceX = std::fabs( ( center - surfaceX ).x() );
float distanceY = std::fabs( ( center - surfaceY ).y() );
float distanceZ = std::fabs( ( center - surfaceZ ).z() );
// nearest_point_on_box(x, y, z, box_min_x, box_min_y, box_min_z, box_max_x, box_max_y, box_max_z)
float x = /*point.x() -*/ median( point.x(), center.x() - distanceX, center.x() + distanceX );
float y = /*point.y() -*/ median( point.y(), center.y() - distanceY, center.y() + distanceY );
float z = /*point.z() -*/ median( point.z(), center.z() - distanceZ, center.z() + distanceZ );
return osg::Vec3f( x,y,z );
}
bool
TritonContext::intersect(const osg::Vec3d& start, const osg::Vec3d& dir, float& out_height, osg::Vec3f& out_normal) const
{
::Triton::Vector3 p(start.ptr());
::Triton::Vector3 d(dir.ptr());
::Triton::Vector3 normal;
bool ok = _ocean->GetHeight(p, d, out_height, normal);
out_normal.set(normal.x, normal.y, normal.z);
return ok;
}
void Storage::averageNormal(osg::Vec3f &normal, int cellX, int cellY, int col, int row)
{
osg::Vec3f n1,n2,n3,n4;
fixNormal(n1, cellX, cellY, col+1, row);
fixNormal(n2, cellX, cellY, col-1, row);
fixNormal(n3, cellX, cellY, col, row+1);
fixNormal(n4, cellX, cellY, col, row-1);
normal = (n1+n2+n3+n4);
normal.normalize();
}
void Scene::playerMoved(const osg::Vec3f &pos)
{
if (!mCurrentCell || !mCurrentCell->isExterior())
return;
// figure out the center of the current cell grid (*not* necessarily mCurrentCell, which is the cell the player is in)
int cellX, cellY;
getGridCenter(cellX, cellY);
float centerX, centerY;
MWBase::Environment::get().getWorld()->indexToPosition(cellX, cellY, centerX, centerY, true);
const float maxDistance = 8192/2 + 1024; // 1/2 cell size + threshold
float distance = std::max(std::abs(centerX-pos.x()), std::abs(centerY-pos.y()));
if (distance > maxDistance)
{
int newX, newY;
MWBase::Environment::get().getWorld()->positionToIndex(pos.x(), pos.y(), newX, newY);
changeCellGrid(newX, newY);
//mRendering.updateTerrain();
}
}
//***********************************************************
//FUNCTION:
void CPickNode::__drawCoordinateMask(const osg::Vec3f& vOrigin, float vLength, osg::ref_ptr<osg::Geode>& vMaskNode)
{
osg::ref_ptr<osg::Geometry> MakGeom = new osg::Geometry();
osg::ref_ptr<osg::Vec3Array> MaskVert = new osg::Vec3Array();
for (unsigned int i=1; i<=10; i++)
{
float Offfset = vLength / 10.0 * i;
MaskVert->push_back(osg::Vec3(vOrigin.x()+Offfset, vOrigin.y(), vOrigin.z()));
MaskVert->push_back(osg::Vec3(vOrigin.x(), vOrigin.y()+Offfset, vOrigin.z()));
MaskVert->push_back(osg::Vec3(vOrigin.x(), vOrigin.y(), vOrigin.z()+Offfset));
}
osg::ref_ptr<osg::Vec4Array> ColorArray = new osg::Vec4Array;
ColorArray->push_back(osg::Vec4(1.0, 1.0, 1.0, 1.0));
MakGeom->setVertexArray(MaskVert.get());
MakGeom->setColorArray(ColorArray);
MakGeom->setColorBinding(osg::Geometry::BIND_OVERALL);
MakGeom->addPrimitiveSet(new osg::DrawArrays(osg::PrimitiveSet::POINTS, 0, 30));
vMaskNode->addDrawable(MakGeom.get());
osg::ref_ptr<osg::Point> PointSize = new osg::Point(5.0);
osg::ref_ptr<osg::StateSet> PointStateSet = vMaskNode->getOrCreateStateSet();
PointStateSet->setAttribute(PointSize);
}
osg::Vec4f Raytracer::renderPixel(int x, int y, const osg::Vec3f& eye, const osg::Vec3f& dir)
{
osg::Vec3f lightPos(-338.572, 0, 400);
RTCRay ray;
ray.primID = RTC_INVALID_GEOMETRY_ID;
ray.geomID = RTC_INVALID_GEOMETRY_ID;
ray.instID = RTC_INVALID_GEOMETRY_ID;
ray.tnear = 0.0f;
ray.tfar = 100000.0f;
ray.org[0] = eye.x();
ray.org[1] = eye.y();
ray.org[2] = eye.z();
ray.dir[0]= dir.x();
ray.dir[1] = dir.y();
ray.dir[2] = dir.z();
rtcIntersect(_scene, ray);
if(ray.primID != -1)
{
osg::Vec3f pos = eye + dir*ray.tfar;
osg::Vec4f diffuse = getSurfaceColor(ray.geomID, ray.primID,ray.u,ray.v);
osg::Vec3 normal = getNormal(ray.geomID,ray.primID,ray.u,ray.v);
osg::Vec3f lightDir = lightPos - pos;
lightDir.normalize();
float NdotL = std::max(normal * lightDir,0.0f);
return diffuse * NdotL;
}
return _backgroundColor;
}
void ActorTracer::findGround(const Actor* actor, const osg::Vec3f& start, const osg::Vec3f& end, const btCollisionWorld* world)
{
const btVector3 btstart(start.x(), start.y(), start.z());
const btVector3 btend(end.x(), end.y(), end.z());
const btTransform &trans = actor->getCollisionObject()->getWorldTransform();
btTransform from(trans.getBasis(), btstart);
btTransform to(trans.getBasis(), btend);
ClosestNotMeConvexResultCallback newTraceCallback(actor->getCollisionObject(), btstart-btend, btScalar(0.0));
// Inherit the actor's collision group and mask
newTraceCallback.m_collisionFilterGroup = actor->getCollisionObject()->getBroadphaseHandle()->m_collisionFilterGroup;
newTraceCallback.m_collisionFilterMask = actor->getCollisionObject()->getBroadphaseHandle()->m_collisionFilterMask;
newTraceCallback.m_collisionFilterMask &= ~CollisionType_Actor;
world->convexSweepTest(actor->getConvexShape(), from, to, newTraceCallback);
if(newTraceCallback.hasHit())
{
const btVector3& tracehitnormal = newTraceCallback.m_hitNormalWorld;
mFraction = newTraceCallback.m_closestHitFraction;
mPlaneNormal = osg::Vec3f(tracehitnormal.x(), tracehitnormal.y(), tracehitnormal.z());
mEndPos = (end-start)*mFraction + start;
}
else
{
mEndPos = end;
mPlaneNormal = osg::Vec3f(0.0f, 0.0f, 1.0f);
mFraction = 1.0f;
}
}
unsigned int PhysicsEngine::addUserVehicle(const osg::Vec3f& pos, const osg::Vec3f& sizes, const osg::Quat& orient, float mass)
{
assert(OpenThreads::Thread::CurrentThread() == m_physicsThread);
if (! m_vehicleShape)
m_vehicleShape = new btBoxShape(btVector3(sizes.x() / 2, sizes.y() / 2, sizes.z() / 2));
//m_collisionShapes.push_back(m_vehicleShape);
btTransform startTransform;
startTransform.setIdentity();
startTransform.setRotation(btQuaternion(orient.x(), orient.y(), orient.z(), orient.w()));
startTransform.setOrigin(btVector3(pos.x(), pos.y(), pos.z()));
VehicleMotionState* motionState = new VehicleMotionState(this, m_nextUsedId, startTransform);
btVector3 inertia;
m_vehicleShape->calculateLocalInertia(mass, inertia);
btRigidBody* body = new btRigidBody(mass, motionState, m_vehicleShape, inertia);
m_vehicles[m_nextUsedId] = body;
++m_nextUsedId;
body->setDamping(0.5f, 0.7f);
m_physicsWorld->addRigidBody(body, COLLISION_SHIPGROUP, COLLISION_SHIPGROUP | COLLISION_ASTEROIDGROUP);
return m_nextUsedId - 1;
}
/*
Linearly interpolate the position where an isosurface cuts
an edge between two vertices, each with their own scalar value
*/
osg::Vec3f VertexInterp(double isolevel, osg::Vec3f p1, osg::Vec3f p2, double valp1, double valp2)
{
double mu;
osg::Vec3f p;
if (ABS(isolevel-valp1) < 0.00001)
return p1;
if (ABS(isolevel-valp2) < 0.00001)
return p2;
if (ABS(valp1-valp2) < 0.00001)
return p1;
mu = (isolevel - valp1) / (valp2 - valp1);
p.set(p1.x() + mu * (p2.x() - p1.x()),
p1.y() + mu * (p2.y() - p1.y()),
p1.z() + mu * (p2.z() - p1.z()));
return p;
}
const osg::Vec3f Stars::sRgbColor(const osg::Vec3f xyzTristimulus)
{
// (The Colors of the Stars - Olson - 1998) - sRGB matrix - feel free to use other matrices here...
const float r = 3.24 * xyzTristimulus.x() -1.537 * xyzTristimulus.y() -0.499 * xyzTristimulus.z();
const float g = -0.969 * xyzTristimulus.x() +1.876 * xyzTristimulus.y() +0.042 * xyzTristimulus.z();
const float b = 0.056 * xyzTristimulus.x() -0.204 * xyzTristimulus.y() +1.057 * xyzTristimulus.z();
return osg::Vec3f(r, g, b);
}
//------------------------------------------------------------------------------
osg::ref_ptr<osg::Node> setupScene( osg::ref_ptr<osg::Geometry> geom, osg::Vec3f bbmin, osg::Vec3f bbmax )
{
osg::ref_ptr<osg::Group> scene = new osg::Group;
//////////////////////////////
// CREATE PARTICLE GEOMETRY //
//////////////////////////////
osg::ref_ptr<osg::Geode> geode = new osg::Geode;
geode->addDrawable( geom.get() );
osg::ref_ptr<osg::Program> computation = new osg::Program;
const std::string vtxShader=
"uniform vec2 pixelsize; \n"
" \n"
"void main(void) \n"
"{ \n"
" vec4 worldPos = vec4(gl_Vertex.x,gl_Vertex.y,gl_Vertex.z,1.0); \n"
" vec4 projPos = gl_ModelViewProjectionMatrix * worldPos; \n"
" \n"
" float dist = projPos.z / projPos.w; \n"
" float distAlpha = (dist+1.0)/2.0; \n"
" gl_PointSize = pixelsize.y - distAlpha * (pixelsize.y - pixelsize.x); \n"
" \n"
" gl_Position = projPos; \n"
"} \n";
computation->addShader( new osg::Shader(osg::Shader::VERTEX, vtxShader ) );
const std::string frgShader=
"void main (void) \n"
"{ \n"
" vec4 result; \n"
" \n"
" vec2 tex_coord = gl_TexCoord[0].xy; \n"
" tex_coord.y = 1.0-tex_coord.y; \n"
" float d = 2.0*distance(tex_coord.xy, vec2(0.5, 0.5)); \n"
" result.a = step(d, 1.0); \n"
" \n"
" vec3 eye_vector = normalize(vec3(0.0, 0.0, 1.0)); \n"
" vec3 light_vector = normalize(vec3(2.0, 2.0, 1.0)); \n"
" vec3 surface_normal = normalize(vec3(2.0* \n"
" (tex_coord.xy-vec2(0.5, 0.5)), sqrt(1.0-d))); \n"
" vec3 half_vector = normalize(eye_vector+light_vector); \n"
" \n"
" float specular = dot(surface_normal, half_vector); \n"
" float diffuse = dot(surface_normal, light_vector); \n"
" \n"
" vec4 lighting = vec4(0.75, max(diffuse, 0.0), pow(max(specular, 0.0), 40.0), 0.0); \n"
" \n"
" result.rgb = lighting.x*vec3(0.2, 0.8, 0.2)+lighting.y*vec3(0.6, 0.6, 0.6)+ \n"
" lighting.z*vec3(0.25, 0.25, 0.25); \n"
" \n"
" gl_FragColor = result; \n"
"} \n";
computation->addShader( new osg::Shader( osg::Shader::FRAGMENT, frgShader ) );
geode->getOrCreateStateSet()->setAttribute(computation);
geode->getOrCreateStateSet()->setMode(GL_VERTEX_PROGRAM_POINT_SIZE, osg::StateAttribute::ON);
geode->getOrCreateStateSet()->setTextureAttributeAndModes(0, new osg::PointSprite, osg::StateAttribute::ON);
geode->getOrCreateStateSet()->setAttribute( new osg::AlphaFunc( osg::AlphaFunc::GREATER, 0.1f) );
geode->getOrCreateStateSet()->setMode( GL_ALPHA_TEST, GL_TRUE );
geode->getOrCreateStateSet()->addUniform( new osg::Uniform( "pixelsize", osg::Vec2(1.0f,50.0f) ) );
geode->setCullingActive( false );
scene->addChild( geode );
/////////////////////////
// CREATE BOUNDING BOX //
/////////////////////////
osg::Geode* bbox = new osg::Geode;
bbox->addDrawable(new osg::ShapeDrawable(new osg::Box((bbmin + bbmax) * 0.5f,bbmax.x() - bbmin.x(),bbmax.y() - bbmin.y(),bbmax.z() - bbmin.z()),new osg::TessellationHints()));
bbox->getOrCreateStateSet()->setMode( GL_LIGHTING, osg::StateAttribute::OFF );
bbox->getOrCreateStateSet()->setAttribute( new osg::PolygonMode(osg::PolygonMode::FRONT_AND_BACK,osg::PolygonMode::LINE));
scene->addChild( bbox );
return scene;
}
void vecfFunc(osg::Vec3f vec) {
std::cout << "Got the float vector " << vec.x() << "," << vec.y() << "," << vec.z() << std::endl;
}
float Storage::getHeightAt(const osg::Vec3f &worldPos)
{
int cellX = static_cast<int>(std::floor(worldPos.x() / 8192.f));
int cellY = static_cast<int>(std::floor(worldPos.y() / 8192.f));
ESM::Land* land = getLand(cellX, cellY);
if (!land || !(land->mDataTypes&ESM::Land::DATA_VHGT))
return -2048;
// Mostly lifted from Ogre::Terrain::getHeightAtTerrainPosition
// Normalized position in the cell
float nX = (worldPos.x() - (cellX * 8192))/8192.f;
float nY = (worldPos.y() - (cellY * 8192))/8192.f;
// get left / bottom points (rounded down)
float factor = ESM::Land::LAND_SIZE - 1.0f;
float invFactor = 1.0f / factor;
int startX = static_cast<int>(nX * factor);
int startY = static_cast<int>(nY * factor);
int endX = startX + 1;
int endY = startY + 1;
endX = std::min(endX, ESM::Land::LAND_SIZE-1);
endY = std::min(endY, ESM::Land::LAND_SIZE-1);
// now get points in terrain space (effectively rounding them to boundaries)
float startXTS = startX * invFactor;
float startYTS = startY * invFactor;
float endXTS = endX * invFactor;
float endYTS = endY * invFactor;
// get parametric from start coord to next point
float xParam = (nX - startXTS) * factor;
float yParam = (nY - startYTS) * factor;
/* For even / odd tri strip rows, triangles are this shape:
even odd
3---2 3---2
| / | | \ |
0---1 0---1
*/
// Build all 4 positions in normalized cell space, using point-sampled height
osg::Vec3f v0 (startXTS, startYTS, getVertexHeight(land, startX, startY) / 8192.f);
osg::Vec3f v1 (endXTS, startYTS, getVertexHeight(land, endX, startY) / 8192.f);
osg::Vec3f v2 (endXTS, endYTS, getVertexHeight(land, endX, endY) / 8192.f);
osg::Vec3f v3 (startXTS, endYTS, getVertexHeight(land, startX, endY) / 8192.f);
// define this plane in terrain space
osg::Plane plane;
// FIXME: deal with differing triangle alignment
if (true)
{
// odd row
bool secondTri = ((1.0 - yParam) > xParam);
if (secondTri)
plane = osg::Plane(v0, v1, v3);
else
plane = osg::Plane(v1, v2, v3);
}
/*
else
{
// even row
bool secondTri = (yParam > xParam);
if (secondTri)
plane.redefine(v0, v2, v3);
else
plane.redefine(v0, v1, v2);
}
*/
// Solve plane equation for z
return (-plane.getNormal().x() * nX
-plane.getNormal().y() * nY
- plane[3]) / plane.getNormal().z() * 8192;
}
bool
ModelData::update()
{
// -- Update bone parameters --
bool anythingChanged = false;
for ( BoneParamsVector::iterator
b = bones.begin(),
bEnd = bones.end() - 1;
b < bEnd; ++b )
{
const CalQuaternion& rotation = b->bone->getRotationBoneSpace();
const CalVector& translation = b->bone->getTranslationBoneSpace();
const CalMatrix& rm = b->bone->getTransformMatrix();
const osg::Matrix3 r( rm.dxdx, rm.dydx, rm.dzdx,
rm.dxdy, rm.dydy, rm.dzdy,
rm.dxdz, rm.dydz, rm.dzdz );
const osg::Vec3f t( translation.x, translation.y, translation.z );
// -- Check for deformed --
b->deformed =
// cal3d reports nonzero translations for non-animated models
// and non zero quaternions (seems like some FP round-off error).
// So we must check for deformations using some epsilon value.
// Problem:
// * It is cal3d that must return correct values, no epsilons
// But nevertheless we use this to reduce CPU load.
t.length() > /*boundingBox.radius() **/ 1e-5 // usually 1e-6 .. 1e-7
||
osg::Vec3d( rotation.x,
rotation.y,
rotation.z ).length() > 1e-6 // usually 1e-7 .. 1e-8
;
// -- Check for changes --
float s = 0;
for ( int j = 0; j < 9; j++ )
{
s += square( r[j] - b->rotation[j] );
}
s += ( t - b->translation ).length2();
if ( s < 1e-7 ) // usually 1e-11..1e-12
{
b->changed = false;
}
else
{
b->changed = true;
anythingChanged = true;
b->rotation = r;
b->translation = t;
}
// std::cout << "bone: " << b->bone->getCoreBone()->getName() << std::endl
// << "quaternion: "
// << rotation.x << ' '
// << rotation.y << ' '
// << rotation.z << ' '
// << rotation.w << std::endl
// << "translation: "
// << t.x() << ' ' << t.y() << ' ' << t.z()
// << "; len = " << t.length()
// << "; s = " << s // << std::endl
// << "; changed = " << b->changed // << std::endl
// << "; deformed = " << b->deformed // << std::endl
// // << "len / bbox.radius = " << translation.length() / boundingBox.radius()
// << std::endl;
}
return anythingChanged;
}
// on cull begin
void LightNodeHandler::onCullBegin( osgUtil::CullVisitor * pCV, const osg::BoundingSphere * pSpherePtr /* = NULL */ )
{
if(!_init)
return;
if(!m_pFatherRef)
m_pFatherRef = GetScene()->getLights();
// current stateset to work with
const bool bReflPass = (pCV->getCullMask() == REFLECTION_MASK/*0x00010000UL*/);
LightsPackStateSet & curStatePack = (bReflPass) ? m_lightsRefl : m_lightsMain;
const std::vector<LightExternalInfo> & aCullVisibleLights = (bReflPass) ? m_pFatherRef->m_aReflVisibleLights : m_pFatherRef->m_aMainVisibleLights;
const std::vector<LightProcessedInfo> & aCullProcessedLights = (bReflPass) ? m_pFatherRef->m_aReflProcessedLights : m_pFatherRef->m_aMainProcessedLights;
// was state pushed last time?
bool & bWasActive = (bReflPass) ? m_bReflWasActive : m_bMainWasActive;
// calculate lights for specific geometry
unsigned uLightsAdded = 0;
for (unsigned i = 0; i < aCullVisibleLights.size() && uLightsAdded < nMaxLights; ++i)
{
const LightExternalInfo & lightData = aCullVisibleLights[i];
// too big priority - continue
if (lightData.uPriority > m_uMaxPriority)
continue;
const LightProcessedInfo & uniformData = aCullProcessedLights[i];
// calculate whether light touches sphere
if (pSpherePtr)
{
// test for spheres non-intersection
const osg::Vec3f vVSLightPos(uniformData.lightVSPosAmbRatio.x(), uniformData.lightVSPosAmbRatio.y(), uniformData.lightVSPosAmbRatio.z());
const float fRadSqrSum = cg::sqr(lightData.rDistAtt.hi() + pSpherePtr->radius());
const osg::Vec3f vVecToCenter = pSpherePtr->center() - vVSLightPos;
if (vVecToCenter.length2() >= fRadSqrSum)
continue;
// if cone - test for cone intersection
if (!lightData.rConeAtt.empty() && vVecToCenter.length2() > pSpherePtr->radius2())
{
// get direction angle
osg::Vec3f vVecToCenterDir = vVecToCenter;
const float fVecLength = vVecToCenterDir.normalize();
const float
fCenterAngle = acosf(vVecToCenterDir * osg::Vec3f(uniformData.lightVSDirSpecRatio.x(), uniformData.lightVSDirSpecRatio.y(), uniformData.lightVSDirSpecRatio.z())),
fSphereAngle = atan2f(pSpherePtr->radius(), fVecLength),
fMinDirAngle = std::max(fCenterAngle - fSphereAngle, 0.f);
if (fMinDirAngle >= lightData.rConeAtt.hi())
continue;
}
}
#if LIGHTS_TURN_ON
// okey, so we can add
curStatePack.LightVSPosAmbRatio->setElement(uLightsAdded, uniformData.lightVSPosAmbRatio);
curStatePack.LightVSDirSpecRatio->setElement(uLightsAdded, uniformData.lightVSDirSpecRatio);
curStatePack.LightAttenuation->setElement(uLightsAdded, uniformData.lightAttenuation);
curStatePack.LightDiffuse->setElement(uLightsAdded, uniformData.lightDiffuse);
#endif
uLightsAdded++;
}
// so push stateset if needed
m_bStatePushed = false;
if (uLightsAdded > 0 || bWasActive)
{
curStatePack.LightsActiveNum->set(int(uLightsAdded));
pCV->pushStateSet(curStatePack.pStateSet.get());
bWasActive = (uLightsAdded > 0);
m_bStatePushed = true;
}
// exit
return;
}
int init(int argc, char **argv)
{
OSG::osgInit(argc,argv);
// GLUT init
glutInit(&argc, argv);
glutInitDisplayMode( GLUT_RGBA | GLUT_DEPTH | GLUT_DOUBLE);
int winid = glutCreateWindow("OpenSG");
glutKeyboardFunc(key);
glutVisibilityFunc(vis);
glutReshapeFunc(reshape);
glutDisplayFunc(display);
glutMouseFunc(mouse);
glutMotionFunc(motion);
glutIdleFunc(display);
// OSG
OSG::SceneFileHandler::the()->print();
// create the graph
// beacon for camera and light
OSG::NodeUnrecPtr b1n = OSG::Node::create();
OSG::GroupUnrecPtr b1 = OSG::Group::create();
b1n->setCore(b1);
// transformation
OSG::NodeUnrecPtr t1n = OSG::Node::create();
OSG::TransformUnrecPtr t1 = OSG::Transform::create();
t1n->setCore (t1 );
t1n->addChild(b1n);
cam_trans = t1;
// light
OSG::NodeUnrecPtr dlight = OSG::Node::create();
OSG::DirectionalLightUnrecPtr dl = OSG::DirectionalLight::create();
dlight->setCore(dl);
dl->setAmbient (0.0, 0.0, 0.0, 1.0);
dl->setDiffuse (0.8, 0.8, 0.8, 1.0);
dl->setDirection(0.0, 0.0, 1.0 );
dl->setBeacon (b1n );
// root
OSG::NodeUnrecPtr root = OSG::Node::create();
OSG::GroupUnrecPtr gr1 = OSG::Group::create();
root->setCore (gr1 );
root->addChild(t1n );
root->addChild(dlight);
// Load the file
OSG::NodeUnrecPtr file = NULL;
if(argc > 1)
{
file = OSG::SceneFileHandler::the()->read(argv[1], NULL);
}
if(file == NULL)
{
std::cerr << "Couldn't load file, ignoring" << std::endl;
//file = OSG::makeSphere(4, 2.0);
file = OSG::Node::create();
OSG::AlgorithmStageUnrecPtr pStage = OSG::AlgorithmStage::create();
file->setCore(pStage);
pAlgo = OSG::GPUVolRTV2::create();
pStage->setAlgorithm(pAlgo);
// fix/freeze the node volume
file->editVolume().setStatic(true);
file->editVolume().setBounds( 0.f, 0.f, 0.f,
1.f, 1.f, 1.f);
}
OSG::commitChanges();
file->updateVolume();
OSG::Vec3f min,max;
file->getVolume().getBounds( min, max );
std::cout << "Volume: from " << min << " to " << max << std::endl;
OSG::MultiCoreUnrecPtr pMCore = OSG::MultiCore::create();
pCOver = OSG::ChunkOverrideGroup::create();
OSG::TransformRecPtr scene_trans = OSG::Transform::create();
pMCore->addCore(scene_trans);
pMCore->addCore(pCOver );
pPoly = OSG::PolygonChunk::create();
OSG::NodeUnrecPtr sceneTrN = OSG::Node::create();
sceneTrN->setCore (pMCore);
sceneTrN->addChild(file );
dlight->addChild(sceneTrN);
// Camera
OSG::PerspectiveCameraRecPtr cam = OSG::PerspectiveCamera::create();
cam->setBeacon(b1n );
cam->setFov (OSG::osgDegree2Rad(60));
cam->setNear (0.1 );
cam->setFar (400 );
// Background
OSG::SolidBackgroundUnrecPtr bkgnd = OSG::SolidBackground::create();
bkgnd->setColor(OSG::Color3f(0,0,0));
// Viewport
OSG::ViewportRecPtr vp = OSG::Viewport::create();
vp->setCamera (cam );
vp->setBackground(bkgnd );
vp->setRoot (root );
vp->setSize (0, 0, 1, 1);
// Window
std::cout << "GLUT winid: " << winid << std::endl;
GLint glvp[4];
glGetIntegerv(GL_VIEWPORT, glvp);
OSG::GLUTWindowUnrecPtr gwin = OSG::GLUTWindow::create();
gwin->setGlutId(winid);
gwin->setSize( glvp[2], glvp[3] );
win = gwin;
win->addPort(vp);
win->init();
// Action
rentravact = OSG::RenderAction::create();
// renact->setFrustumCulling(false);
// tball
OSG::Vec3f pos;
pos.setValues(min[0] + ((max[0] - min[0]) * 0.5),
min[1] + ((max[1] - min[1]) * 0.5),
max[2] + ( max[2] - min[2] ) * 1.5 );
float scale = (max[2] - min[2] + max[1] - min[1] + max[0] - min[0]) / 6;
OSG::Pnt3f tCenter(min[0] + (max[0] - min[0]) / 2,
min[1] + (max[1] - min[1]) / 2,
min[2] + (max[2] - min[2]) / 2);
fprintf(stderr, "Startpos : %f %f %f\n", pos[0], pos[1], pos[2]);
tball.setMode (OSG::Trackball::OSGObject);
tball.setStartPosition (pos, true );
tball.setSum (true );
tball.setTranslationMode (OSG::Trackball::OSGFree );
tball.setTranslationScale(scale );
tball.setRotationCenter (tCenter );
// run...
return 0;
}
inline void update(void)
{
_pat.setPosition(osg::Vec3f(_eye.x(), _eye.y(), _pat.getPosition().z()));
}
bool SDCloudLayer::reposition( const osg::Vec3f& p, double dt )
{
if (getCoverage() != SDCloudLayer::SD_CLOUD_CLEAR)
{
osg::Vec3 asl_offset( p );
asl_offset.normalize();
if ( p.y() <= layer_asl )
{
asl_offset *= layer_asl;
} else
{
asl_offset *= layer_asl + layer_thickness;
}
asl_offset += p;
osg::Matrix T, LON, LAT;
T.makeTranslate( asl_offset );
//LON.makeRotate(lon, osg::Vec3(0, 0, 1));
//LAT.makeRotate(90.0 * SD_DEGREES_TO_RADIANS - lat, osg::Vec3(0, 1, 0));
layer_transform->setMatrix( T );
group_bottom->getStateSet()->setRenderBinDetails(-(int)layer_asl, "RenderBin");
group_top->getStateSet()->setRenderBinDetails((int)layer_asl, "RenderBin");
if ( alt <= layer_asl )
{
layer_root->setSingleChildOn(0);
} else if ( alt >= layer_asl + layer_thickness )
{
layer_root->setSingleChildOn(1);
} else
{
layer_root->setAllChildrenOff();
}
double sp_dist = speed * dt;
if ( p.x() != last_x || p.y() != last_y || sp_dist != 0 )
{
double ax = 0.0, ay = 0.0, bx = 0.0, by = 0.0;
if (sp_dist > 0)
{
bx = cos((180.0-direction) * SD_DEGREES_TO_RADIANS) * sp_dist;
by = sin((180.0-direction) * SD_DEGREES_TO_RADIANS) * sp_dist;
}
double xoff = (ax + bx) / (2 * scale);
double yoff = (ay + by) / (2 * scale);
const float layer_scale = layer_span / scale;
base[0] += xoff;
if ( base[0] > -10.0 && base[0] < 10.0 )
{
base[0] -= (int)base[0];
} else
{
base[0] = 0.0;
}
base[1] += yoff;
if ( base[1] > -10.0 && base[1] < 10.0 )
{
base[1] -= (int)base[1];
} else
{
base[1] = 0.0;
}
setTextureOffset(base);
last_pos = p;
scale = layer_scale;
}
}
//layer3D->reposition( p, up, lon, lat, dt, layer_asl, speed, direction);
return true;
}
int init(int argc, char **argv)
{
OSG::osgInit(argc,argv);
// GLUT init
glutInit(&argc, argv);
glutInitDisplayMode( GLUT_RGBA | GLUT_DEPTH | GLUT_DOUBLE);
int winid = glutCreateWindow("OpenSG");
glutKeyboardFunc(key);
glutVisibilityFunc(vis);
glutReshapeFunc(reshape);
glutDisplayFunc(display);
glutMouseFunc(mouse);
glutMotionFunc(motion);
glutIdleFunc(display);
// glPolygonMode( GL_FRONT_AND_BACK, GL_LINE );
// glEnable( GL_DEPTH_TEST );
// glEnable( GL_LIGHTING );
// glEnable( GL_LIGHT0 );
// glFrontFace(GL_CW);
glEnable(GL_CULL_FACE);
// OSG
OSG::SceneFileHandler::the()->print();
// create the graph
// beacon for camera and light
OSG::NodeUnrecPtr b1n = OSG::Node::create();
OSG::GroupUnrecPtr b1 = OSG::Group::create();
b1n->setCore( b1 );
// transformation
OSG::NodeUnrecPtr t1n = OSG::Node::create();
OSG::TransformUnrecPtr t1 = OSG::Transform::create();
t1n->setCore( t1 );
t1n->addChild( b1n );
cam_trans = t1;
// light
OSG::NodeUnrecPtr dlight = OSG::Node::create();
OSG::DirectionalLightUnrecPtr dl = OSG::DirectionalLight::create();
dlight->setCore( dl );
// dlight->setCore( Group::create() );
dl->setAmbient( .0, .0, .0, 1 );
dl->setDiffuse( .8f, .8f, .8f, 1.f );
dl->setDirection(0,0,1);
dl->setBeacon( b1n);
// root
root = OSG::Node::create();
OSG::GroupUnrecPtr gr1 = OSG::Group::create();
root->setCore( gr1 );
root->addChild( t1n );
root->addChild( dlight );
// Load the file
OSG::NodeUnrecPtr file = NULL;
if(argc > 1)
file = OSG::SceneFileHandler::the()->read(argv[1], NULL);
if ( file == NULL )
{
std::cerr << "Couldn't load file, ignoring" << std::endl;
file = OSG::makeSphere(4, 2.0);
}
#if 0
OSG::GeometryPtr pGeo = cast_dynamic<OSG::GeometryPtr>(file->getCore());
if(pGeo == NULL && file->getNChildren() != 0)
{
pGeo = cast_dynamic<OSG::GeometryPtr>(file->getChild(0)->getCore());
}
if(pGeo == NULL)
{
fprintf(stderr, "no geo\n");
}
#endif
// OSG::GraphOpRefPtr op = OSG::GraphOpFactory::the()->create("Stripe");
// op->traverse(file);
// createOptimizedPrimitives(pGeo);
// createSharedIndex(pGeo);
OSG::Thread::getCurrentChangeList()->commitChanges();
// file->dump();
file->updateVolume();
#if 0
const char *outFileName = "/tmp/foo1.osg";
OSG::IndentFileOutStream outFileStream(outFileName);
if( !outFileStream )
{
std::cerr << "Can not open output stream to file: "
<< outFileName << std::endl;
return -1;
}
std::cerr << "STARTING PRINTOUT:" << std::endl;
OSGWriter writer( outFileStream, 4 );
writer.write( file );
outFileStream.close();
OSG::SceneFileHandler::the()->write(file, "/tmp/foo.osb");
#endif
// return 0;
OSG::Vec3f min,max;
file->getVolume().getBounds( min, max );
std::cout << "Volume: from " << min << " to " << max << std::endl;
OSG::MultiCoreUnrecPtr pMCore = OSG::MultiCore::create();
pCOver = OSG::ChunkOverrideGroup::create();
scene_trans = OSG::Transform::create();
pMCore->addCore(scene_trans);
pMCore->addCore(pCOver );
OSG::NodeUnrecPtr sceneTrN = OSG::Node::create();
sceneTrN->setCore(pMCore);
sceneTrN->addChild(file);
dlight->addChild(sceneTrN);
std::cerr << "Tree: " << std::endl;
// root->dump();
// Camera
cam = OSG::PerspectiveCamera::create();
cam->setBeacon( b1n );
cam->setFov( OSG::osgDegree2Rad( 90 ) );
cam->setNear( 0.1f );
cam->setFar( 100000 );
// Background
OSG::SolidBackgroundUnrecPtr bkgnd = OSG::SolidBackground::create();
bkgnd->setColor(OSG::Color3f(1,0,0));
// Viewport
vp = OSG::Viewport::create();
vp->setCamera( cam );
vp->setBackground( bkgnd );
vp->setRoot( root );
vp->setSize( 0,0, 1,1 );
#if 0
OSG::UInt8 imgdata[] =
{
64,64,64, 128,128,128, 192,192,192, 255,255,255
};
#endif
pImg = OSG::Image::create();
pImg->set(OSG::Image::OSG_RGB_PF, 128, 128); //, 1, 1, 1, 0.0, imgdata);
tx1o = OSG::TextureObjChunk::create();
tx1e = OSG::TextureEnvChunk::create();
tx1o->setImage (pImg );
tx1o->setMinFilter(GL_LINEAR );
tx1o->setMagFilter(GL_LINEAR );
tx1o->setWrapS (GL_CLAMP );
tx1o->setWrapT (GL_CLAMP );
tx1e->setEnvMode (GL_REPLACE);
OSG::SimpleMaterialUnrecPtr mat = OSG::SimpleMaterial::create();
mat->setDiffuse(OSG::Color3f(1,1,1));
mat->setLit (false );
mat->addChunk (tx1o );
mat->addChunk (tx1e );
OSG::PolygonForegroundUnrecPtr pFG = OSG::PolygonForeground::create();
pFG->setMaterial(mat);
OSG::MFPnt2f *pPos = pFG->editMFPositions();
OSG::MFVec3f *pTex = pFG->editMFTexCoords();
pPos->push_back(OSG::Pnt2f(0.0f, 0.0f));
pPos->push_back(OSG::Pnt2f(0.3f, 0.0f));
pPos->push_back(OSG::Pnt2f(0.3f, 0.3f));
pPos->push_back(OSG::Pnt2f(0.0f, 0.3f));
pTex->push_back(OSG::Vec3f(0.0f, 1.0f, 0.0f));
pTex->push_back(OSG::Vec3f(1.0f, 1.0f, 0.0f));
pTex->push_back(OSG::Vec3f(1.0f, 0.0f, 0.0f));
pTex->push_back(OSG::Vec3f(0.0f, 0.0f, 0.0f));
vp->addForeground(pFG);
OSG::SimpleMaterialUnrecPtr matFgCheck = OSG::SimpleMaterial::create();
matFgCheck->setDiffuse(OSG::Color3f(0,1,0));
matFgCheck->setLit (false );
OSG::PolygonForegroundUnrecPtr pFGCheck = OSG::PolygonForeground::create();
pFGCheck->setMaterial(matFgCheck);
pPos = pFGCheck->editMFPositions();
pPos->push_back(OSG::Pnt2f(0.6f, 0.0f));
pPos->push_back(OSG::Pnt2f(0.9f, 0.0f));
pPos->push_back(OSG::Pnt2f(0.9f, 0.3f));
pPos->push_back(OSG::Pnt2f(0.6f, 0.3f));
vp->addForeground(pFG);
vp->addForeground(pFGCheck);
// vp->dump();
// Background
OSG::SolidBackgroundUnrecPtr bkgndFBO = OSG::SolidBackground::create();
bkgndFBO->setColor(OSG::Color3f(1.0,0.5,0.5));
// Viewport
vpFBO = OSG::FBOViewport::create();
vpFBO->setCamera (cam );
vpFBO->setBackground(bkgndFBO );
vpFBO->setRoot (root );
vpFBO->setSize (0, 0, 1, 1);
vpFBO->addForeground(pFGCheck);
OSG::FrameBufferObjectUnrecPtr pFBO = OSG::FrameBufferObject::create();
pTexBuffer = OSG::TextureBuffer::create();
OSG::RenderBufferUnrecPtr pDepthBuffer = OSG::RenderBuffer ::create();
pDepthBuffer->setInternalFormat(GL_DEPTH_COMPONENT24 );
pTexBuffer->setTexture(tx1o);
pFBO->setSize(128, 128);
pFBO->setColorAttachment(pTexBuffer, 0);
pFBO->setDepthAttachment(pDepthBuffer );
pFBO->editMFDrawBuffers()->clear();
pFBO->editMFDrawBuffers()->push_back(GL_COLOR_ATTACHMENT0_EXT);
vpFBO->setFrameBufferObject(pFBO);
// Window
std::cout << "GLUT winid: " << winid << std::endl;
GLint glvp[4];
glGetIntegerv( GL_VIEWPORT, glvp );
gwin = OSG::GLUTWindow::create();
gwin->setGlutId(winid);
gwin->setSize( glvp[2], glvp[3] );
win = gwin;
win->addPort(vpFBO );
win->addPort(vp );
win->init();
// Action
rentravact = OSG::RenderAction::create();
// renact->setFrustumCulling(false);
// tball
OSG::Vec3f pos;
pos.setValues(min[0] + ((max[0] - min[0]) * 0.5),
min[1] + ((max[1] - min[1]) * 0.5),
max[2] + ( max[2] - min[2] ) * 1.5 );
float scale = (max[2] - min[2] + max[1] - min[1] + max[0] - min[0]) / 6;
OSG::Pnt3f tCenter(min[0] + (max[0] - min[0]) / 2,
min[1] + (max[1] - min[1]) / 2,
min[2] + (max[2] - min[2]) / 2);
fprintf(stderr, "Startpos : %f %f %f\n", pos[0], pos[1], pos[2]);
tball.setMode( OSG::Trackball::OSGObject );
tball.setStartPosition( pos, true );
tball.setSum( true );
tball.setTranslationMode( OSG::Trackball::OSGFree );
tball.setTranslationScale(scale);
tball.setRotationCenter(tCenter);
// run...
pPoly = OSG::PolygonChunk::create();
pCOver->subChunk(pPoly);
return 0;
}
int doMain (int argc, char **argv)
{
OSG::osgInit(argc,argv);
// GLUT init
glutInit(&argc, argv);
glutInitDisplayMode( GLUT_RGBA | GLUT_DEPTH | GLUT_DOUBLE);
glutInitWindowSize(800, 800);
int winid = glutCreateWindow("OpenSG");
glutKeyboardFunc(key);
glutVisibilityFunc(vis);
glutReshapeFunc(reshape);
glutDisplayFunc(display);
glutMouseFunc(mouse);
glutMotionFunc(motion);
glutIdleFunc(display);
// OSG
OSG::SceneFileHandler::the()->print();
// create the graph
// beacon for camera and light
OSG::NodeUnrecPtr b1n = OSG::Node::create();
OSG::GroupUnrecPtr b1 = OSG::Group::create();
fprintf(stderr, "Create b1n %p %d %d \n",
b1n.get(),
b1n->getRefCount(),
b1n->getWeakRefCount());
b1n->setCore( b1 );
// transformation
OSG::NodeUnrecPtr t1n = OSG::Node::create();
OSG::TransformUnrecPtr t1 = OSG::Transform::create();
t1n->setCore (t1 );
t1n->addChild(b1n);
fprintf(stderr, "Create t1n %p %d %d \n",
t1n.get(),
t1n->getRefCount(),
t1n->getWeakRefCount());
cam_trans = t1;
// light
OSG::NodeUnrecPtr dlight = OSG::Node::create();
OSG::DirectionalLightUnrecPtr dl = OSG::DirectionalLight::create();
{
dlight->setCore(dl);
dl->setAmbient( .3f, .3f, .3f, 1 );
dl->setDiffuse( .8f, .8f, .8f, .8f );
dl->setDirection(0,0,1);
dl->setBeacon( b1n);
}
fprintf(stderr, "Create dlight %p %d %d \n",
dlight.get(),
dlight->getRefCount(),
dlight->getWeakRefCount());
hdrroot = OSG::Node::create();
hdrroot->editVolume().setInfinite();
hdrroot->editVolume().setStatic ();
hdrroot->setCore(OSG::Group::create());
// root
root = OSG::Node:: create();
OSG::GroupUnrecPtr gr1 = OSG::Group::create();
root->setCore(gr1);
hdrroot->addChild(root);
root->addChild(t1n );
root->addChild(dlight);
fprintf(stderr, "Create root %p %d %d \n",
root.get(),
root->getRefCount(),
root->getWeakRefCount());
// Load the file
OSG::NodeUnrecPtr file = NULL;
if(argc > 1)
{
file = OSG::SceneFileHandler::the()->read(argv[1], NULL);
}
if(file == NULL)
{
std::cerr << "Couldn't load file, ignoring" << std::endl;
// file = makeBox(2.f, 2.f, 2.f, 2, 2, 2);
file = OSG::makeSphere(4, 2.0);
}
OSG::NodeUnrecPtr pCubeRoot = OSG::Node::create();
OSG::CubeMapGeneratorUnrecPtr pCubeGen = OSG::CubeMapGenerator::create();
pCubeRoot->addChild(file);
pCubeRoot->setCore(pCubeGen);
// pCubeRoot->setCore(Group::create());
OSG::NodeUnrecPtr pCubeSceneRoot = OSG::Node::create();
OSG::VisitSubTreeUnrecPtr pCubeVisit = OSG::VisitSubTree::create();
pCubeSceneRoot->setCore(pCubeVisit);
pCubeVisit->setSubTreeRoot(root);
pCubeGen->setRoot (pCubeSceneRoot);
pCubeGen->setTextureFormat(GL_RGB32F_ARB );
pCubeGen->setSize (512,
512 );
pCubeGen->setTexUnit (3);
// Cubemap Background
OSG::SolidBackgroundUnrecPtr cubeBkgnd = OSG::SolidBackground::create();
{
cubeBkgnd->setColor(OSG::Color3f(0.5f, 0.3f, 0.3f));
}
pCubeGen->setBackground(cubeBkgnd);
OSG::NodeUnrecPtr pAnimRoot = setupAnim();
scene_trans = OSG::Transform::create();
OSG::NodeUnrecPtr sceneTrN = OSG::Node::create();
scene_trans->editMatrix()[3][2] = -50.f;
sceneTrN->setCore (scene_trans);
sceneTrN->addChild(pCubeRoot );
sceneTrN->addChild(pAnimRoot );
OSG::Thread::getCurrentChangeList()->commitChanges();
OSG::Vec3f min,max;
sceneTrN->updateVolume();
sceneTrN->getVolume().getBounds(min, max);
std::cout << "Volume: from " << min << " to " << max << std::endl;
dlight->addChild(sceneTrN);
// Camera
cam = OSG::PerspectiveCamera::create();
{
cam->setBeacon( b1n );
cam->setFov( OSG::osgDegree2Rad( 90 ) );
cam->setNear( 0.1f );
cam->setFar( 100000 );
}
// Background
OSG::SolidBackgroundUnrecPtr bkgnd = OSG::SolidBackground::create();
{
bkgnd->setColor(OSG::Color3f(0.3f, 0.3f, 0.3f));
}
// Viewport
vp = OSG::Viewport::create();
{
vp->setCamera( cam );
vp->setBackground( bkgnd );
vp->setRoot( hdrroot );
// vp->setRoot( root );
vp->setSize( 0,0, 1,1 );
}
// Window
OSG::GLUTWindowUnrecPtr gwin;
GLint glvp[4];
glGetIntegerv(GL_VIEWPORT, glvp);
gwin = OSG::GLUTWindow::create();
{
gwin->setGlutId(winid);
gwin->setSize( glvp[2], glvp[3] );
win = gwin;
win->addPort( vp );
win->init();
}
// Action
rentravact = OSG::RenderAction::create();
rentravact->setVolumeDrawing(true);
// rentravact->setFrustumCulling(false);
// tball
OSG::Vec3f pos;
pos.setValues(min[0] + ((max[0] - min[0]) * 0.5),
min[1] + ((max[1] - min[1]) * 0.5),
max[2] + ( max[2] - min[2] ) * 1.5 );
float scale = (max[2] - min[2] + max[1] - min[1] + max[0] - min[0]) / 6;
OSG::Pnt3f tCenter(min[0] + (max[0] - min[0]) / 2,
min[1] + (max[1] - min[1]) / 2,
min[2] + (max[2] - min[2]) / 2);
fprintf(stderr, "Startpos : %f %f %f\n", pos[0], pos[1], pos[2]);
tball.setMode (OSG::Trackball::OSGObject);
tball.setStartPosition (pos, true );
tball.setSum (true );
tball.setTranslationMode (OSG::Trackball::OSGFree );
tball.setTranslationScale(scale );
tball.setRotationCenter (tCenter );
fprintf(stderr, "Create b1n %p %d %d \n",
b1n.get(),
b1n->getRefCount(),
b1n->getWeakRefCount());
fprintf(stderr, "Create t1n %p %d %d \n",
t1n.get(),
t1n->getRefCount(),
t1n->getWeakRefCount());
fprintf(stderr, "Create dlight %p %d %d \n",
dlight.get(),
dlight->getRefCount(),
dlight->getWeakRefCount());
fprintf(stderr, "Create hdrroot %p %d %d \n",
hdrroot.get(),
hdrroot->getRefCount(),
hdrroot->getWeakRefCount());
fprintf(stderr, "Create root %p %d %d \n",
root.get(),
root->getRefCount(),
root->getWeakRefCount());
return 0;
}