FGFS-4.1/OpenSceneGraph
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Updated the Switch, Sequence and Group classes so that they all used a

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similar style removeChild() mechansim.

Made the old style osg::Switch::setValue() method deprecated.
This commit is contained in:
Robert Osfield
2002-12-07 21:18:12 +00:00
parent b63827c5d9
commit 109f6f22fe
11 changed files with 292 additions and 226 deletions
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40
src/osg/Geode.cpp
View File

@@ -1,6 +1,8 @@
#include <osg/Geode>
#include <osg/Notify>
#include <stdio.h>
#include <math.h>
#include <osg/Geode>
#define square(x) ((x)*(x))
@@ -58,19 +60,36 @@ bool Geode::addDrawable( Drawable *drawable )
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);
return removeDrawable(getDrawableIndex(drawable));
}
if (drawable->getAppCallback())
bool Geode::removeDrawable(unsigned int pos,unsigned int numDrawablesToRemove)
{
if (pos<_drawables.size() && numDrawablesToRemove>0)
{
unsigned int endOfRemoveRange = pos+numDrawablesToRemove;
if (endOfRemoveRange>_drawables.size())
{
setNumChildrenRequiringAppTraversal(getNumChildrenRequiringAppTraversal()-1);
notify(DEBUG_INFO)<<"Warning: Geode::removeDrawable(i,numDrawablesToRemove) has been passed an excessive number"<<std::endl;
notify(DEBUG_INFO)<<" of drawables to remove, trimming just to end of drawable list."<<std::endl;
endOfRemoveRange=_drawables.size();
}
// note ref_ptr<> automatically handles decrementing drawable's reference count.
_drawables.erase(itr);
unsigned int appCallbackRemoved = 0;
for(unsigned i=pos;i<endOfRemoveRange;++i)
{
// remove this Geode from the child parent list.
_drawables[i]->removeParent(this);
// update the number of app calbacks removed
if (_drawables[i]->getAppCallback()) ++appCallbackRemoved;
}
_drawables.erase(_drawables.begin()+pos,_drawables.begin()+endOfRemoveRange);
if (appCallbackRemoved)
{
setNumChildrenRequiringAppTraversal(getNumChildrenRequiringAppTraversal()-appCallbackRemoved);
}
dirtyBound();
@@ -79,7 +98,6 @@ bool Geode::removeDrawable( Drawable *drawable )
else return false;
}
bool Geode::replaceDrawable( Drawable *origDrawable, Drawable *newDrawable )
{
if (newDrawable==NULL || origDrawable==newDrawable) return false;

80
src/osg/Group.cpp
View File

@@ -1,9 +1,11 @@
#include <stdio.h>
#include <math.h>
#include <osg/Group>
#include <osg/BoundingBox>
#include <osg/Transform>
#include <osg/OccluderNode>
#include <osg/Notify>
#include <stdio.h>
#include <math.h>
#include <algorithm>
@@ -94,48 +96,60 @@ bool Group::addChild( Node *child )
else return false;
}
bool Group::removeChild( Node *child )
{
ChildList::iterator itr = findNode(child);
if (itr!=_children.end())
return removeChild(getChildIndex(child));
}
bool Group::removeChild(unsigned int pos,unsigned int numChildrenToRemove)
{
if (pos<_children.size() && numChildrenToRemove>0)
{
// remove this group from the child parent list.
child->removeParent(this);
// could now require app traversal thanks to the new subgraph,
// so need to check and update if required.
// note, need to do this checking before the erase of the child
// otherwise child will be invalid.
if (child->getNumChildrenRequiringAppTraversal()>0 ||
child->getAppCallback())
unsigned int endOfRemoveRange = pos+numChildrenToRemove;
if (endOfRemoveRange>_children.size())
{
setNumChildrenRequiringAppTraversal(
getNumChildrenRequiringAppTraversal()-1
);
notify(DEBUG_INFO)<<"Warning: Group::removeChild(i,numChildrenToRemove) has been passed an excessive number"<<std::endl;
notify(DEBUG_INFO)<<" of chilren to remove, trimming just to end of child list."<<std::endl;
endOfRemoveRange=_children.size();
}
if (child->getNumChildrenWithCullingDisabled()>0 ||
!child->getCullingActive())
unsigned int appCallbackRemoved = 0;
unsigned int numChildrenWithCullingDisabledRemoved = 0;
unsigned int numChildrenWithOccludersRemoved = 0;
for(unsigned i=pos;i<endOfRemoveRange;++i)
{
setNumChildrenWithCullingDisabled(
getNumChildrenWithCullingDisabled()-1
);
osg::Node* child = _children[i].get();
// remove this Geode from the child parent list.
child->removeParent(this);
if (child->getNumChildrenRequiringAppTraversal()>0 || child->getAppCallback()) ++appCallbackRemoved;
if (child->getNumChildrenWithCullingDisabled()>0 || !child->getCullingActive()) ++numChildrenWithCullingDisabledRemoved;
if (child->getNumChildrenWithOccluderNodes()>0 || dynamic_cast<osg::OccluderNode*>(child)) ++numChildrenWithOccludersRemoved;
}
if (child->getNumChildrenWithOccluderNodes()>0 ||
dynamic_cast<osg::OccluderNode*>(child))
{
setNumChildrenWithOccluderNodes(
getNumChildrenWithOccluderNodes()-1
);
}
_children.erase(_children.begin()+pos,_children.begin()+endOfRemoveRange);
// note ref_ptr<> automatically handles decrementing child's reference count.
_children.erase(itr);
if (appCallbackRemoved)
{
setNumChildrenRequiringAppTraversal(getNumChildrenRequiringAppTraversal()-appCallbackRemoved);
}
if (numChildrenWithCullingDisabledRemoved)
{
setNumChildrenWithCullingDisabled(getNumChildrenWithCullingDisabled()-numChildrenWithCullingDisabledRemoved);
}
if (numChildrenWithOccludersRemoved)
{
setNumChildrenWithOccluderNodes(getNumChildrenWithOccluderNodes()-numChildrenWithOccludersRemoved);
}
dirtyBound();
return true;
}
else return false;

148
src/osg/Sequence.cpp
View File

@@ -6,7 +6,8 @@ using namespace osg;
* Sequence constructor.
*/
Sequence::Sequence() :
Switch(),
Group(),
_value(-1),
_last(-1.0f),
_step(1),
_loopMode(LOOP),
@@ -21,7 +22,8 @@ Sequence::Sequence() :
}
Sequence::Sequence(const Sequence& seq, const CopyOp& copyop) :
Switch(seq, copyop),
Group(seq, copyop),
_value(seq._value),
_last(seq._last),
_step(seq._step),
_loopMode(seq._loopMode),
@@ -82,7 +84,7 @@ void Sequence::setMode(SequenceMode mode)
switch (mode) {
case START:
// restarts sequence in 'traverse'
setValue(ALL_CHILDREN_OFF);
setValue(-1);
_mode = mode;
break;
case STOP:
@@ -101,75 +103,89 @@ void Sequence::setMode(SequenceMode mode)
void Sequence::traverse(NodeVisitor& nv)
{
// if app traversal update the frame count.
if (nv.getVisitorType()==NodeVisitor::APP_VISITOR && _mode == START && _nrepsremain)
{
double t = nv.getFrameStamp()->getReferenceTime();
if (_last == -1.0)
_last = t;
const FrameStamp* framestamp = nv.getFrameStamp();
if (framestamp)
{
double t = framestamp->getReferenceTime();
if (_last == -1.0)
_last = t;
// first and last frame of interval
unsigned int nch = getNumChildren();
int begin = (_begin < 0 ? nch + _begin : _begin);
int end = (_end < 0 ? nch + _end : _end);
// first and last frame of interval
unsigned int nch = getNumChildren();
int begin = (_begin < 0 ? nch + _begin : _begin);
int end = (_end < 0 ? nch + _end : _end);
int sw = getValue();
if (sw == ALL_CHILDREN_OFF ||
sw == ALL_CHILDREN_ON ||
sw == MULTIPLE_CHILDREN_ON ) {
sw = begin;
_step = (begin < end ? 1 : -1);
}
// default timeout for unset values
if (sw >= (int) _frameTime.size()) {
setTime(sw, 1.0f);
}
// frame time-out?
float dur = _frameTime[sw] * _speed;
if ((t - _last) > dur) {
sw += _step;
// check interval
int ibegin = (begin < end ? begin : end);
int iend = (end > begin ? end : begin);
//cerr << this << " interval " << ibegin << "," << iend << endl;
if (sw < ibegin || sw > iend) {
// stop at last frame
if (sw < ibegin)
sw = ibegin;
else
sw = iend;
// repeat counter
if (_nrepsremain > 0)
_nrepsremain--;
if (_nrepsremain == 0) {
// stop
setMode(STOP);
}
else {
// wrap around
switch (_loopMode) {
case LOOP:
//cerr << this << " loop" << endl;
sw = begin;
break;
case SWING:
//cerr << this << " swing" << endl;
_step = -_step;
break;
}
}
int sw = getValue();
if (sw<0)
{
sw = begin;
_step = (begin < end ? 1 : -1);
}
_last = t;
// default timeout for unset values
if (sw >= (int) _frameTime.size())
{
setTime(sw, 1.0f);
}
// frame time-out?
float dur = _frameTime[sw] * _speed;
if ((t - _last) > dur) {
sw += _step;
// check interval
int ibegin = (begin < end ? begin : end);
int iend = (end > begin ? end : begin);
//cerr << this << " interval " << ibegin << "," << iend << endl;
if (sw < ibegin || sw > iend) {
// stop at last frame
if (sw < ibegin)
sw = ibegin;
else
sw = iend;
// repeat counter
if (_nrepsremain > 0)
_nrepsremain--;
if (_nrepsremain == 0) {
// stop
setMode(STOP);
}
else {
// wrap around
switch (_loopMode) {
case LOOP:
//cerr << this << " loop" << endl;
sw = begin;
break;
case SWING:
//cerr << this << " swing" << endl;
_step = -_step;
break;
}
}
}
_last = t;
}
setValue(sw);
}
//cerr << this << " child=" << sw << endl;
setValue(sw);
}
Switch::traverse(nv);
// now do the traversal
if (nv.getTraversalMode()==NodeVisitor::TRAVERSE_ACTIVE_CHILDREN)
{
if (getValue()>=0) _children[getValue()]->accept(nv);
}
else
{
Group::traverse(nv);
}
}

63
src/osg/Switch.cpp
View File

@@ -18,23 +18,16 @@ Switch::Switch(const Switch& sw,const CopyOp& copyop):
void Switch::traverse(NodeVisitor& nv)
{
switch(nv.getTraversalMode())
if (nv.getTraversalMode()==NodeVisitor::TRAVERSE_ACTIVE_CHILDREN)
{
case(NodeVisitor::TRAVERSE_ALL_CHILDREN):
for(unsigned int pos=0;pos<_children.size();++pos)
{
std::for_each(_children.begin(),_children.end(),NodeAcceptOp(nv));
break;
if (_values[pos]) _children[pos]->accept(nv);
}
case(NodeVisitor::TRAVERSE_ACTIVE_CHILDREN):
{
for(unsigned int pos=0;pos<_children.size();++pos)
{
if (_values[pos]) _children[pos]->accept(nv);
}
break;
}
default:
break;
}
else
{
Group::traverse(nv);
}
}
@@ -75,7 +68,7 @@ void Switch::setValue(unsigned int pos,bool value)
_values[pos]=value;
}
void Switch::setValue(const Node* child,bool value)
void Switch::setChildValue(const Node* child,bool value)
{
// find the child's position.
unsigned int pos=getChildIndex(child);
@@ -90,7 +83,7 @@ bool Switch::getValue(unsigned int pos) const
return _values[pos];
}
bool Switch::getValue(const Node* child) const
bool Switch::getChildValue(const Node* child) const
{
// find the child's position.
unsigned int pos=getChildIndex(child);
@@ -99,6 +92,43 @@ bool Switch::getValue(const Node* child) const
return _values[pos];
}
bool Switch::setAllChildrenOff()
{
_newChildDefaultValue = false;
for(ValueList::iterator itr=_values.begin();
itr!=_values.end();
++itr)
{
*itr = false;
}
return true;
}
bool Switch::setAllChildrenOn()
{
_newChildDefaultValue = true;
for(ValueList::iterator itr=_values.begin();
itr!=_values.end();
++itr)
{
*itr = true;
}
return true;
}
bool Switch::setSingleChildOn(unsigned int pos)
{
for(ValueList::iterator itr=_values.begin();
itr!=_values.end();
++itr)
{
*itr = false;
}
setValue(pos,true);
return true;
}
#ifdef USE_DEPRECTATED_API
void Switch::setValue(int value)
{
switch(value)
@@ -165,3 +195,4 @@ int Switch::getValue() const
return firstChildSelected;
}
#endif

16
src/osgPlugins/geo/ReaderWriterGEO.cpp
View File

@@ -1172,14 +1172,22 @@ class ReaderWriterGEO : public ReaderWriter
osg::Group *makeSwitch(const georecord *gr) {
osg::Switch *sw=new Switch;
const geoField *gfd=gr->getField(GEO_DB_SWITCH_CURRENT_MASK);
sw->setValue(osg::Switch::ALL_CHILDREN_OFF);
sw->setAllChildrenOff();
if (gfd) {
int imask;
int imask; // bit surprised this isn't a uint.. Robert Dec 2002.
imask=gfd->getInt();
sw->setValue(imask);
// will set all 32 bits of the mask into the switch right now,
// should cap to only set the number of children in the switch.
int selector_mask = 0x1;
for(unsigned int i=0;i<32;++i)
{
sw->setValue(i,(imask&selector_mask));
selector_mask <<= 1;
}
osg::notify(osg::WARN) << gr << " imask " << imask << std::endl;
} else {
sw->setValue(0);
sw->setSingleChildOn(0);
osg::notify(osg::WARN) << gr << " No mask " << std::endl;
}
gfd=gr->getField(GEO_DB_SWITCH_NAME);

68
src/osgPlugins/osg/Switch.cpp
View File

@@ -31,26 +31,50 @@ bool Switch_readLocalData(Object& obj, Input& fr)
{
if (fr[1].matchWord("ALL_CHILDREN_ON"))
{
sw.setValue(Switch::ALL_CHILDREN_ON);
sw.setAllChildrenOn();
iteratorAdvanced = true;
fr+=2;
}
else if (fr[1].matchWord("ALL_CHILDREN_OFF"))
{
sw.setValue(Switch::ALL_CHILDREN_OFF);
sw.setAllChildrenOff();
iteratorAdvanced = true;
fr+=2;
}
else if (fr[1].isInt())
{
int value;
fr[1].getInt(value);
sw.setValue(value);
unsigned int value;
fr[1].getUInt(value);
sw.setSingleChildOn(value);
iteratorAdvanced = true;
fr+=2;
}
}
if (fr[0].matchWord("NewChildDefaultValue"))
{
if (fr[1].matchWord("TRUE"))
{
sw.setNewChildDefaultValue(true);
iteratorAdvanced = true;
fr += 2;
}
else if (fr[1].matchWord("FALSE"))
{
sw.setNewChildDefaultValue(false);
iteratorAdvanced = true;
fr += 2;
}
else if (fr[1].isInt())
{
int value;
fr[1].getInt(value);
sw.setNewChildDefaultValue(value);
iteratorAdvanced = true;
fr += 2;
}
}
if (fr.matchSequence("ValueList {"))
{
int entry = fr[0].getNoNestedBrackets();
@@ -64,7 +88,7 @@ bool Switch_readLocalData(Object& obj, Input& fr)
int value;
if (fr[0].getInt(value))
{
sw.setValue(value);
sw.setValue(pos,value);
++pos;
}
++fr;
@@ -84,28 +108,20 @@ bool Switch_writeLocalData(const Object& obj, Output& fw)
{
const Switch& sw = static_cast<const Switch&>(obj);
int value=sw.getValue();
switch(value)
fw.indent()<<"NewChildDefaultValue "<<sw.getNewChildDefaultValue()<<std::endl;
fw.indent()<<"ValueList {"<< std::endl;
fw.moveIn();
const Switch::ValueList& values = sw.getValueList();
for(Switch::ValueList::const_iterator itr=values.begin();
itr!=values.end();
++itr)
{
case(Switch::MULTIPLE_CHILDREN_ON):
{
fw.indent()<<"ValueList {"<< std::endl;
fw.moveIn();
const Switch::ValueList& values = sw.getValueList();
for(Switch::ValueList::const_iterator itr=values.begin();
itr!=values.end();
++itr)
{
fw.indent()<<*itr<<std::endl;
}
fw.moveOut();
fw.indent()<<"}"<< std::endl;
break;
}
case(Switch::ALL_CHILDREN_ON): fw.indent()<<"value ALL_CHILDREN_ON"<< std::endl;break;
case(Switch::ALL_CHILDREN_OFF): fw.indent()<<"value ALL_CHILDREN_OFF"<< std::endl;break;
default: fw.indent()<<"value "<<value<< std::endl;break;
fw.indent()<<*itr<<std::endl;
}
fw.moveOut();
fw.indent()<<"}"<< std::endl;
return true;
}