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#include "Node.h"
#include "math/Vector2.h"
#include "math/Matrix4.h"
#include "itexturetoolcolours.h"
#include <sigc++/functors/mem_fun.h>
#include <GL/glew.h>
namespace textool
{
Node::Node() :
_selectable(std::bind(&Node::onSelectionStatusChanged, this, std::placeholders::_1))
{}
void Node::setSelected(bool select)
{
_selectable.setSelected(select);
}
bool Node::isSelected() const
{
return _selectable.isSelected();
}
bool Node::hasSelectedComponents() const
{
for (auto& vertex : _vertices)
{
if (vertex.isSelected())
{
return true;
}
}
return false;
}
std::size_t Node::getNumSelectedComponents() const
{
std::size_t count = 0;
for (const auto& vertex : _vertices)
{
if (vertex.isSelected())
{
++count;
}
}
return count;
}
void Node::clearComponentSelection()
{
for (auto& vertex : _vertices)
{
vertex.setSelected(false);
}
}
void Node::testSelectComponents(Selector& selector, SelectionTest& test)
{
test.BeginMesh(Matrix4::getIdentity(), true);
for (auto& vertex : _vertices)
{
SelectionIntersection intersection;
test.TestPoint(Vector3(vertex.getTexcoord().x(), vertex.getTexcoord().y(), 0), intersection);
if (intersection.isValid())
{
selector.addWithNullIntersection(vertex);
}
}
}
AABB Node::getSelectedComponentBounds()
{
AABB bounds;
for (const auto& vertex : _vertices)
{
if (!vertex.isSelected()) continue;
bounds.includePoint({ vertex.getTexcoord().x(), vertex.getTexcoord().y(), 0 });
}
return bounds;
}
void Node::expandComponentSelectionToRelated()
{
if (!hasSelectedComponents())
{
return;
}
for (auto& vertex : _vertices)
{
vertex.setSelected(true);
}
}
Colour4 Node::getSurfaceColour(SelectionMode mode)
{
if (mode == SelectionMode::Surface && isSelected())
{
return GlobalTextureToolColourSchemeManager().getColour(SchemeElement::SelectedSurface);
}
else if (mode == SelectionMode::Vertex)
{
return GlobalTextureToolColourSchemeManager().getColour(SchemeElement::SurfaceInComponentMode);
}
else
{
return GlobalTextureToolColourSchemeManager().getColour(SchemeElement::SurfaceInSurfaceMode);
}
}
void Node::renderComponents()
{
glPointSize(5);
glEnable(GL_DEPTH_TEST);
glDepthFunc(GL_LEQUAL);
glBegin(GL_POINTS);
auto deselectedColour = GlobalTextureToolColourSchemeManager().getColour(SchemeElement::Vertex);
auto selectedColour = GlobalTextureToolColourSchemeManager().getColour(SchemeElement::SelectedVertex);
for (const auto& vertex : _vertices)
{
if (vertex.isSelected())
{
glColor4fv(selectedColour);
}
else
{
glColor4fv(deselectedColour);
}
// Move the selected vertices a bit up in the Z area
glVertex3d(vertex.getTexcoord().x(), vertex.getTexcoord().y(), vertex.isSelected() ? 0.1f : 0);
}
glEnd();
glDisable(GL_DEPTH_TEST);
}
void Node::onSelectionStatusChanged(const ISelectable& selectable)
{
GlobalTextureToolSelectionSystem().onNodeSelectionChanged(*this);
}
}
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