166 lines
3.6 KiB
C++
166 lines
3.6 KiB
C++
#include <stdio.h>
|
|
#include <math.h>
|
|
#include <osg/Geode>
|
|
|
|
#define square(x) ((x)*(x))
|
|
|
|
using namespace osg;
|
|
|
|
Geode::Geode()
|
|
{
|
|
}
|
|
|
|
Geode::Geode(const Geode& geode,const CopyOp& copyop):
|
|
Node(geode,copyop)
|
|
{
|
|
for(DrawableList::const_iterator itr=geode._drawables.begin();
|
|
itr!=geode._drawables.end();
|
|
++itr)
|
|
{
|
|
Drawable* drawable = copyop(itr->get());
|
|
if (drawable) addDrawable(drawable);
|
|
}
|
|
}
|
|
|
|
Geode::~Geode()
|
|
{
|
|
// remove reference to this from children's parent lists.
|
|
for(DrawableList::iterator itr=_drawables.begin();
|
|
itr!=_drawables.end();
|
|
++itr)
|
|
{
|
|
(*itr)->removeParent(this);
|
|
}
|
|
}
|
|
|
|
bool Geode::addDrawable( Drawable *drawable )
|
|
{
|
|
if (drawable && !containsDrawable(drawable))
|
|
{
|
|
// note ref_ptr<> automatically handles incrementing drawable's reference count.
|
|
_drawables.push_back(drawable);
|
|
|
|
// register as parent of drawable.
|
|
drawable->addParent(this);
|
|
|
|
if (drawable->getAppCallback())
|
|
{
|
|
setNumChildrenRequiringAppTraversal(getNumChildrenRequiringAppTraversal()+1);
|
|
}
|
|
|
|
dirtyBound();
|
|
|
|
return true;
|
|
}
|
|
else return false;
|
|
}
|
|
|
|
|
|
bool Geode::removeDrawable( Drawable *drawable )
|
|
{
|
|
DrawableList::iterator itr = findDrawable(drawable);
|
|
if (itr!=_drawables.end())
|
|
{
|
|
// remove this Geode from the child parent list.
|
|
drawable->removeParent(this);
|
|
|
|
if (drawable->getAppCallback())
|
|
{
|
|
setNumChildrenRequiringAppTraversal(getNumChildrenRequiringAppTraversal()-1);
|
|
}
|
|
|
|
// note ref_ptr<> automatically handles decrementing drawable's reference count.
|
|
_drawables.erase(itr);
|
|
|
|
dirtyBound();
|
|
|
|
return true;
|
|
}
|
|
else return false;
|
|
}
|
|
|
|
|
|
bool Geode::replaceDrawable( Drawable *origDrawable, Drawable *newDrawable )
|
|
{
|
|
if (newDrawable==NULL || origDrawable==newDrawable) return false;
|
|
|
|
unsigned int pos = findDrawableNum(origDrawable);
|
|
if (pos<_drawables.size())
|
|
{
|
|
return setDrawable(pos,newDrawable);
|
|
}
|
|
return false;
|
|
}
|
|
|
|
bool Geode::setDrawable( unsigned int i, Drawable* newDrawable )
|
|
{
|
|
if (i<_drawables.size() && newDrawable)
|
|
{
|
|
|
|
Drawable* origDrawable = _drawables[i].get();
|
|
|
|
int delta = 0;
|
|
if (origDrawable->getAppCallback()) --delta;
|
|
if (newDrawable->getAppCallback()) ++delta;
|
|
if (delta!=0)
|
|
{
|
|
setNumChildrenRequiringAppTraversal(getNumChildrenRequiringAppTraversal()+delta);
|
|
}
|
|
|
|
// remove from origDrawable's parent list.
|
|
origDrawable->removeParent(this);
|
|
|
|
// note ref_ptr<> automatically handles decrementing origGset's reference count,
|
|
// and inccrementing newGset's reference count.
|
|
_drawables[i] = newDrawable;
|
|
|
|
// register as parent of child.
|
|
newDrawable->addParent(this);
|
|
|
|
|
|
dirtyBound();
|
|
|
|
return true;
|
|
}
|
|
else return false;
|
|
|
|
}
|
|
|
|
|
|
bool Geode::computeBound() const
|
|
{
|
|
_bsphere.init();
|
|
|
|
BoundingBox bb;
|
|
|
|
DrawableList::const_iterator itr;
|
|
for(itr=_drawables.begin();
|
|
itr!=_drawables.end();
|
|
++itr)
|
|
{
|
|
bb.expandBy((*itr)->getBound());
|
|
}
|
|
|
|
if (bb.valid())
|
|
{
|
|
_bsphere.expandBy(bb);
|
|
_bsphere_computed=true;
|
|
return true;
|
|
}
|
|
else
|
|
{
|
|
_bsphere_computed=true;
|
|
return false;
|
|
}
|
|
}
|
|
|
|
void Geode::compileDrawables(State& state)
|
|
{
|
|
for(DrawableList::iterator itr = _drawables.begin();
|
|
itr!=_drawables.end();
|
|
++itr)
|
|
{
|
|
(*itr)->compile(state);
|
|
}
|
|
}
|