Vec3f calcMinGeometryBounds(GeometryUnrecPtr geo)
{
if(geo == NULL ||
geo->getPositions() == NULL ||
geo->getPositions()->size() == 0)
{
return Vec3f();
}
GeoVectorProperty* Positions(geo->getPositions());
Pnt3f Min(Positions->getValue<Pnt3f>(0)),
Max(Positions->getValue<Pnt3f>(0));
for(UInt32 i(1) ; i<Positions->size(); ++i)
{
Min[0] = osgMin(Min[0], Positions->getValue<Pnt3f>(i)[0]);
Min[1] = osgMin(Min[1], Positions->getValue<Pnt3f>(i)[1]);
Min[2] = osgMin(Min[2], Positions->getValue<Pnt3f>(i)[2]);
Max[0] = osgMax(Max[0], Positions->getValue<Pnt3f>(i)[0]);
Max[1] = osgMax(Max[1], Positions->getValue<Pnt3f>(i)[1]);
Max[2] = osgMax(Max[2], Positions->getValue<Pnt3f>(i)[2]);
}
return Max-Min;
}
Pnt3f calcGeometryCenter(GeometryUnrecPtr geo)
{
if(geo == NULL ||
geo->getPositions() == NULL ||
geo->getPositions()->size() == 0)
{
return Pnt3f();
}
GeoVectorProperty* Positions(geo->getPositions());
Pnt3f Sum;
for(UInt32 i(1) ; i<Positions->size(); ++i)
{
Sum = Sum + Vec3f(Positions->getValue<Pnt3f>(i));
}
return Sum * (1.0f/static_cast<Real32>(Positions->size()));
}
void MergeGraphOp::processTransformations(Node * const node)
{
MFUnrecChildNodePtr::const_iterator mfit = node->getMFChildren()->begin();
MFUnrecChildNodePtr::const_iterator mfen = node->getMFChildren()->end ();
std::vector<Node *> toAdd;
std::vector<Node *> toSub;
for ( ; mfit != mfen; ++mfit )
{
bool special=isInExcludeList(*mfit);
bool leaf=isLeaf(*mfit);
bool empty=true;
//if a transformation:
if ((*mfit)->getCore()->getType().isDerivedFrom(
Transform::getClassType()))
{
if (!leaf && !special)
{
//try to apply it to children geometries
//move all "moveable" children one level up
//if empty after that, delete it
MFUnrecChildNodePtr::const_iterator it2 =
(*mfit)->getMFChildren()->begin();
MFUnrecChildNodePtr::const_iterator en2 =
(*mfit)->getMFChildren()->end ();
for ( ; it2 != en2; ++it2 )
{
if (!isInExcludeList(*it2))
{
//check if geometry
if ((*it2)->getCore()->getType().isDerivedFrom(
Geometry::getClassType()))
{
if(!isLeaf(*it2))
{
//hmm...bad tree...
empty=false;
}
else
{
//it is a leaf geometry, so apply the transformation
Geometry *geo_old =
dynamic_cast<Geometry *>(
(*it2)->getCore());
//GeometryPtr geo = geo_old->clone();
GeometryUnrecPtr geo =
dynamic_pointer_cast<Geometry>(
OSG::deepClone(geo_old, "Material"));
Transform *t =
dynamic_cast<Transform *>(
(*mfit)->getCore());
GeoPnt3fProperty *pos = dynamic_cast<GeoPnt3fProperty *>(geo->getPositions());
GeoVec3fProperty *norm = dynamic_cast<GeoVec3fProperty *>(geo->getNormals());
GeoColor3fProperty *color = dynamic_cast<GeoColor3fProperty *>(geo->getColors());
GeoColor3fProperty *scolor = dynamic_cast<GeoColor3fProperty *>(geo->getSecondaryColors());
GeoVec3fProperty *texcoord0 = dynamic_cast<GeoVec3fProperty *>(geo->getTexCoords());
GeoVec3fProperty *texcoord1 = dynamic_cast<GeoVec3fProperty *>(geo->getTexCoords1());
GeoVec3fProperty *texcoord2 = dynamic_cast<GeoVec3fProperty *>(geo->getTexCoords2());
GeoVec3fProperty * texcoord3 = dynamic_cast<GeoVec3fProperty *>(geo->getTexCoords3());
Matrix m=t->getMatrix();
if(pos!=NULL)
{
for(UInt32 i = 0; i < pos->size(); ++i)
{
Pnt3f p=pos->getValue(i);
m.multFull(p, p);
pos->setValue(p,i);
}
}
if(norm!=NULL)
{
for(UInt32 i = 0; i < norm->size(); ++i)
{
Vec3f n=norm->getValue(i);
m.mult(n, n);
n.normalize();
norm->setValue(n,i);
}
}
if(color != NULL && _color_is_vector)
{
for(UInt32 i = 0; i < color->size(); ++i)
{
Color3f c = color->getValue(i);
Vec3f v;
v.setValue(c.getValuesRGB());
m.mult(v, v);
v.normalize();
c.setValuesRGB(v[0], v[1], v[2]);
color->setValue(c,i);
}
}
if(scolor != NULL && _secondary_color_is_vector)
{
for(UInt32 i = 0; i < scolor->size(); ++i)
{
Color3f c = scolor->getValue(i);
Vec3f v;
v.setValue(c.getValuesRGB());
m.mult(v, v);
v.normalize();
c.setValuesRGB(v[0], v[1], v[2]);
scolor->setValue(c,i);
}
}
if(texcoord0 != NULL && _texcoord0_is_vector)
{
for(UInt32 i = 0; i < texcoord0->size(); ++i)
{
Vec3f v = texcoord0->getValue(i);
m.mult(v, v);
v.normalize();
texcoord0->setValue(v,i);
}
}
if(texcoord1 != NULL && _texcoord1_is_vector)
{
for(UInt32 i = 0; i < texcoord1->size(); ++i)
{
Vec3f v = texcoord1->getValue(i);
m.mult(v, v);
v.normalize();
texcoord1->setValue(v,i);
}
}
if(texcoord2 != NULL && _texcoord2_is_vector)
{
for(UInt32 i = 0; i < texcoord2->size(); ++i)
{
Vec3f v = texcoord2->getValue(i);
m.mult(v, v);
v.normalize();
texcoord2->setValue(v,i);
}
}
if (texcoord3 != NULL && _texcoord3_is_vector)
{
for(UInt32 i = 0; i < texcoord3->size(); i++)
{
Vec3f v = texcoord3->getValue(i);
m.mult(v, v);
v.normalize();
texcoord3->setValue(v,i);
}
}
(*it2)->setCore(geo);
toAdd.push_back(*it2);
}
} else empty=false;
} else empty=false;
}
}
//now check whether we have to remove it
if ((empty||leaf) && !special)
{
toSub.push_back(*mfit);
continue;
}
if (leaf && special)
{
//what to do?
}
if (!leaf && special)
{
//what to do?
}
continue;
}
}
std::vector<Node *>::const_iterator vit = toAdd.begin();
std::vector<Node *>::const_iterator ven = toAdd.end ();
for ( ; vit != ven; ++vit )
{
node->addChild(*vit);
}
vit = toSub.begin();
ven = toSub.end ();
for ( ; vit != ven; ++vit )
{
node->subChild(*vit);
}
}