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CurveEditInstance.cpp
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CurveEditInstance.cpp
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#include "CurveEditInstance.h"
#include "debugging/debugging.h"
#include "itextstream.h"
#include "CurveControlPointFunctors.h"
namespace entity {
CurveEditInstance::CurveEditInstance(Curve& curve, const SelectionChangedSlot& selectionChanged) :
_curve(curve),
_selectionChanged(selectionChanged),
_controlPointsTransformed(_curve.getTransformedControlPoints()),
_controlPoints(_curve.getControlPoints())
{}
void CurveEditInstance::testSelect(Selector& selector, SelectionTest& test)
{
ASSERT_MESSAGE(_controlPointsTransformed.size() == _selectables.size(), "curve instance mismatch");
ControlPoints::const_iterator p = _controlPointsTransformed.begin();
for(Selectables::iterator i = _selectables.begin(); i != _selectables.end(); ++i, ++p)
{
SelectionIntersection best;
test.TestPoint(*p, best);
if (best.isValid())
{
selector.addWithIntersection(*i, best);
}
}
}
bool CurveEditInstance::isSelected() const {
for(Selectables::const_iterator i = _selectables.begin(); i != _selectables.end(); ++i)
{
if (i->isSelected()) {
return true;
}
}
return false;
}
void CurveEditInstance::invertSelected()
{
for (selection::ObservedSelectable& i : _selectables)
{
i.setSelected(!i.isSelected());
}
}
void CurveEditInstance::setSelected(bool selected) {
for(Selectables::iterator i = _selectables.begin(); i != _selectables.end(); ++i) {
i->setSelected(selected);
}
}
unsigned int CurveEditInstance::numSelected() const {
unsigned int returnValue = 0;
for (Selectables::const_iterator i = _selectables.begin(); i != _selectables.end(); ++i) {
if (i->isSelected()) {
returnValue++;
}
}
return returnValue;
}
Curve::IteratorList CurveEditInstance::getSelected() {
// This is the list of iterators to be removed
Curve::IteratorList iterators;
ControlPoints::iterator p = _controlPointsTransformed.begin();
for (Selectables::const_iterator i = _selectables.begin(); i != _selectables.end(); ++i, ++p)
{
if (i->isSelected()) {
// This control vertex should be removed, add it to the list
iterators.push_back(p);
}
}
return iterators;
}
void CurveEditInstance::removeSelectedControlPoints() {
unsigned int numPointsToRemove = numSelected();
if (numPointsToRemove == 0) {
rError() << "Can't remove any points, no control vertices selected.\n";
return;
}
if (_controlPoints.size() - numPointsToRemove < 3) {
// Can't remove so many points
rError() << "Can't remove so many points, curve would end up with less than 3 points.\n";
return;
}
// This is the list of iterators to be removed
Curve::IteratorList iterators = getSelected();
// De-select everything before removal
setSelected(false);
// Now remove the points
_curve.removeControlPoints(iterators);
}
void CurveEditInstance::insertControlPointsAtSelected() {
unsigned int numPointsToRemove = numSelected();
if (numPointsToRemove == 0) {
rError() << "Can't insert any points, no control vertices selected.\n";
return;
}
// This is the list of insert points
Curve::IteratorList iterators = getSelected();
// De-select everything before removal
setSelected(false);
// Now remove the points
_curve.insertControlPointsAt(iterators);
}
void CurveEditInstance::write(const std::string& key, Entity& entity) {
std::string value = _curve.getEntityKeyValue();
entity.setKeyValue(key, value);
}
void CurveEditInstance::transform(const Matrix4& matrix, bool selectedOnly) {
ControlPointTransformator transformator(matrix);
if (selectedOnly) {
forEachSelected(transformator);
}
else {
forEach(transformator);
}
}
void CurveEditInstance::snapto(float snap) {
ControlPointSnapper snapper(snap);
forEachSelected(snapper);
}
void CurveEditInstance::curveChanged()
{
_selectables.resize(_controlPointsTransformed.size(), _selectionChanged);
}
void CurveEditInstance::forEachSelected(ControlPointFunctor& functor) {
ASSERT_MESSAGE(_controlPointsTransformed.size() == _selectables.size(), "curve instance mismatch");
ControlPoints::iterator transformed = _controlPointsTransformed.begin();
ControlPoints::const_iterator original = _controlPoints.begin();
for (Selectables::iterator i = _selectables.begin();
i != _selectables.end();
++i, ++transformed, ++original)
{
if (i->isSelected()) {
functor(*transformed, *original);
}
}
}
void CurveEditInstance::forEachControlPoint(const std::function<void(const Vector3&, bool)>& functor) const
{
ASSERT_MESSAGE(_controlPointsTransformed.size() == _selectables.size(), "curve instance mismatch");
auto transformed = _controlPointsTransformed.begin();
for (auto i = _selectables.begin(); i != _selectables.end(); ++i, ++transformed)
{
functor(*transformed, i->isSelected());
}
}
void CurveEditInstance::forEachSelected(ControlPointConstFunctor& functor) const {
ASSERT_MESSAGE(_controlPointsTransformed.size() == _selectables.size(), "curve instance mismatch");
ControlPoints::const_iterator transformed = _controlPointsTransformed.begin();
ControlPoints::const_iterator original = _controlPoints.begin();
for (Selectables::const_iterator i = _selectables.begin();
i != _selectables.end();
++i, ++transformed, ++original)
{
if (i->isSelected()) {
functor(*transformed, *original);
}
}
}
void CurveEditInstance::forEach(ControlPointFunctor& functor) {
ControlPoints::const_iterator original = _controlPoints.begin();
for (ControlPoints::iterator i = _controlPointsTransformed.begin();
i != _controlPointsTransformed.end();
++i, ++original)
{
functor(*i, *original);
}
}
} // namespace entity