/
BrushNode.cpp
629 lines (515 loc) · 16.5 KB
/
BrushNode.cpp
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#include "BrushNode.h"
#include "ivolumetest.h"
#include "ifilter.h"
#include "iradiant.h"
#include "icounter.h"
#include "iclipper.h"
#include "ientity.h"
#include "math/Frustum.h"
#include "math/Hash.h"
#include <functional>
// Constructor
BrushNode::BrushNode() :
scene::SelectableNode(),
m_brush(*this),
_selectedPoints(GL_POINTS),
_faceCentroidPointsCulled(GL_POINTS),
m_viewChanged(false),
_renderableComponentsNeedUpdate(true),
_untransformedOriginChanged(true)
{
m_brush.attach(*this); // BrushObserver
// Try to anticipate a few face additions to avoid reallocations during map parsing
reserve(6);
}
// Copy Constructor
BrushNode::BrushNode(const BrushNode& other) :
scene::SelectableNode(other),
scene::Cloneable(other),
Snappable(other),
IBrushNode(other),
BrushObserver(other),
SelectionTestable(other),
ComponentSelectionTestable(other),
ComponentEditable(other),
ComponentSnappable(other),
PlaneSelectable(other),
LitObject(other),
Transformable(other),
m_brush(*this, other.m_brush),
_selectedPoints(GL_POINTS),
_faceCentroidPointsCulled(GL_POINTS),
m_viewChanged(false),
_renderableComponentsNeedUpdate(true),
_untransformedOriginChanged(true)
{
m_brush.attach(*this); // BrushObserver
}
BrushNode::~BrushNode()
{
m_brush.detach(*this); // BrushObserver
}
scene::INode::Type BrushNode::getNodeType() const
{
return Type::Brush;
}
const AABB& BrushNode::localAABB() const {
return m_brush.localAABB();
}
std::string BrushNode::getFingerprint()
{
constexpr std::size_t SignificantDigits = scene::SignificantFingerprintDoubleDigits;
if (m_brush.getNumFaces() == 0)
{
return std::string(); // empty brushes produce an empty fingerprint
}
math::Hash hash;
hash.addSizet(static_cast<std::size_t>(m_brush.getDetailFlag() + 1));
hash.addSizet(m_brush.getNumFaces());
// Combine all face plane equations
for (const auto& face : m_brush)
{
// Plane equation
hash.addVector3(face->getPlane3().normal(), SignificantDigits);
hash.addDouble(face->getPlane3().dist(), SignificantDigits);
// Material Name
hash.addString(face->getShader());
// Texture Matrix
auto texdef = face->getTexDefMatrix();
hash.addDouble(texdef.xx(), SignificantDigits);
hash.addDouble(texdef.yx(), SignificantDigits);
hash.addDouble(texdef.tx(), SignificantDigits);
hash.addDouble(texdef.xy(), SignificantDigits);
hash.addDouble(texdef.yy(), SignificantDigits);
hash.addDouble(texdef.ty(), SignificantDigits);
}
return hash;
}
// Snappable implementation
void BrushNode::snapto(float snap) {
m_brush.snapto(snap);
}
void BrushNode::snapComponents(float snap) {
for (FaceInstances::iterator i = m_faceInstances.begin(); i != m_faceInstances.end(); ++i) {
i->snapComponents(snap);
}
}
void BrushNode::testSelect(Selector& selector, SelectionTest& test)
{
// BeginMesh(true): Always treat brush faces twosided when in orthoview
test.BeginMesh(localToWorld(), !test.getVolume().fill());
SelectionIntersection best;
for (FaceInstances::iterator i = m_faceInstances.begin(); i != m_faceInstances.end(); ++i)
{
if (i->faceIsVisible())
{
i->testSelect(test, best);
}
}
if (best.isValid()) {
selector.addIntersection(best);
}
}
bool BrushNode::isSelectedComponents() const {
for (FaceInstances::const_iterator i = m_faceInstances.begin(); i != m_faceInstances.end(); ++i) {
if (i->selectedComponents()) {
return true;
}
}
return false;
}
void BrushNode::setSelectedComponents(bool select, SelectionSystem::EComponentMode mode) {
for (FaceInstances::iterator i = m_faceInstances.begin(); i != m_faceInstances.end(); ++i) {
i->setSelected(mode, select);
}
}
void BrushNode::invertSelectedComponents(SelectionSystem::EComponentMode mode)
{
// Component mode, invert the component selection
switch (mode)
{
case SelectionSystem::eVertex:
for (brush::VertexInstance& vertex : m_vertexInstances)
{
vertex.invertSelected();
}
break;
case SelectionSystem::eEdge:
for (EdgeInstance& edge : m_edgeInstances)
{
edge.invertSelected();
}
break;
case SelectionSystem::eFace:
for (FaceInstance& face : m_faceInstances)
{
face.invertSelected();
}
break;
case SelectionSystem::eDefault:
break;
} // switch
}
void BrushNode::testSelectComponents(Selector& selector, SelectionTest& test, SelectionSystem::EComponentMode mode) {
test.BeginMesh(localToWorld());
switch (mode) {
case SelectionSystem::eVertex: {
for (VertexInstances::iterator i = m_vertexInstances.begin(); i != m_vertexInstances.end(); ++i) {
i->testSelect(selector, test);
}
}
break;
case SelectionSystem::eEdge: {
for (EdgeInstances::iterator i = m_edgeInstances.begin(); i != m_edgeInstances.end(); ++i) {
i->testSelect(selector, test);
}
}
break;
case SelectionSystem::eFace: {
if (test.getVolume().fill()) {
for (FaceInstances::iterator i = m_faceInstances.begin(); i != m_faceInstances.end(); ++i) {
i->testSelect(selector, test);
}
}
else {
for (FaceInstances::iterator i = m_faceInstances.begin(); i != m_faceInstances.end(); ++i) {
i->testSelect_centroid(selector, test);
}
}
}
break;
default:
break;
}
}
const AABB& BrushNode::getSelectedComponentsBounds() const {
m_aabb_component = AABB();
for (FaceInstances::const_iterator i = m_faceInstances.begin(); i != m_faceInstances.end(); ++i) {
i->iterate_selected(m_aabb_component);
}
return m_aabb_component;
}
void BrushNode::selectPlanes(Selector& selector, SelectionTest& test, const PlaneCallback& selectedPlaneCallback) {
test.BeginMesh(localToWorld());
PlanePointer brushPlanes[brush::c_brush_maxFaces];
PlanesIterator j = brushPlanes;
for (Brush::const_iterator i = m_brush.begin(); i != m_brush.end(); ++i) {
*j++ = &(*i)->plane3();
}
for (FaceInstances::iterator i = m_faceInstances.begin(); i != m_faceInstances.end(); ++i) {
i->selectPlane(selector, Line(test.getNear(), test.getFar()), brushPlanes, j, selectedPlaneCallback);
}
}
void BrushNode::selectReversedPlanes(Selector& selector, const SelectedPlanes& selectedPlanes) {
for (FaceInstances::iterator i = m_faceInstances.begin(); i != m_faceInstances.end(); ++i) {
i->selectReversedPlane(selector, selectedPlanes);
}
}
void BrushNode::selectedChangedComponent(const ISelectable& selectable)
{
_renderableComponentsNeedUpdate = true;
GlobalSelectionSystem().onComponentSelection(SelectableNode::getSelf(), selectable);
}
// IBrushNode implementation
Brush& BrushNode::getBrush() {
return m_brush;
}
IBrush& BrushNode::getIBrush() {
return m_brush;
}
void BrushNode::translate(const Vector3& translation)
{
m_brush.translate(translation);
}
scene::INodePtr BrushNode::clone() const {
return std::make_shared<BrushNode>(*this);
}
void BrushNode::onInsertIntoScene(scene::IMapRootNode& root)
{
m_brush.connectUndoSystem(root.getUndoChangeTracker());
GlobalCounters().getCounter(counterBrushes).increment();
// Update the origin information needed for transformations
_untransformedOriginChanged = true;
SelectableNode::onInsertIntoScene(root);
}
void BrushNode::onRemoveFromScene(scene::IMapRootNode& root)
{
// De-select this node
setSelected(false);
// De-select all child components as well
setSelectedComponents(false, SelectionSystem::eVertex);
setSelectedComponents(false, SelectionSystem::eEdge);
setSelectedComponents(false, SelectionSystem::eFace);
GlobalCounters().getCounter(counterBrushes).decrement();
m_brush.disconnectUndoSystem(root.getUndoChangeTracker());
SelectableNode::onRemoveFromScene(root);
}
void BrushNode::clear() {
m_faceInstances.clear();
}
void BrushNode::reserve(std::size_t size) {
m_faceInstances.reserve(size);
}
void BrushNode::push_back(Face& face)
{
m_faceInstances.emplace_back(face, std::bind(&BrushNode::selectedChangedComponent, this, std::placeholders::_1));
_untransformedOriginChanged = true;
}
void BrushNode::pop_back() {
ASSERT_MESSAGE(!m_faceInstances.empty(), "erasing invalid element");
m_faceInstances.pop_back();
_untransformedOriginChanged = true;
}
void BrushNode::erase(std::size_t index) {
ASSERT_MESSAGE(index < m_faceInstances.size(), "erasing invalid element");
m_faceInstances.erase(m_faceInstances.begin() + index);
}
void BrushNode::connectivityChanged() {
for (FaceInstances::iterator i = m_faceInstances.begin(); i != m_faceInstances.end(); ++i) {
i->connectivityChanged();
}
}
void BrushNode::edge_clear() {
m_edgeInstances.clear();
}
void BrushNode::edge_push_back(SelectableEdge& edge) {
m_edgeInstances.push_back(EdgeInstance(m_faceInstances, edge));
}
void BrushNode::vertex_clear() {
m_vertexInstances.clear();
}
void BrushNode::vertex_push_back(SelectableVertex& vertex) {
m_vertexInstances.push_back(brush::VertexInstance(m_faceInstances, vertex));
}
void BrushNode::DEBUG_verify() {
ASSERT_MESSAGE(m_faceInstances.size() == m_brush.DEBUG_size(), "FATAL: mismatch");
}
bool BrushNode::intersectsLight(const RendererLight& light) const {
return light.lightAABB().intersects(worldAABB());
}
void BrushNode::renderComponents(RenderableCollector& collector, const VolumeTest& volume) const
{
m_brush.evaluateBRep();
const Matrix4& l2w = localToWorld();
if (volume.fill() && GlobalSelectionSystem().ComponentMode() == SelectionSystem::eFace)
{
evaluateViewDependent(volume, l2w);
collector.addRenderable(*m_brush.m_state_point, _faceCentroidPointsCulled, l2w);
}
else
{
m_brush.renderComponents(GlobalSelectionSystem().ComponentMode(), collector, volume, l2w);
}
}
void BrushNode::renderSolid(RenderableCollector& collector, const VolumeTest& volume) const
{
m_brush.evaluateBRep();
renderClipPlane(collector, volume);
renderSolid(collector, volume, localToWorld());
}
void BrushNode::renderWireframe(RenderableCollector& collector, const VolumeTest& volume) const
{
m_brush.evaluateBRep();
renderClipPlane(collector, volume);
renderWireframe(collector, volume, localToWorld());
}
void BrushNode::setRenderSystem(const RenderSystemPtr& renderSystem)
{
SelectableNode::setRenderSystem(renderSystem);
if (renderSystem)
{
m_state_selpoint = renderSystem->capture("$SELPOINT");
}
else
{
m_state_selpoint.reset();
}
m_brush.setRenderSystem(renderSystem);
m_clipPlane.setRenderSystem(renderSystem);
}
void BrushNode::renderClipPlane(RenderableCollector& collector, const VolumeTest& volume) const
{
if (GlobalClipper().clipMode() && isSelected())
{
m_clipPlane.render(collector, volume, localToWorld());
}
}
void BrushNode::viewChanged() const {
m_viewChanged = true;
}
std::size_t BrushNode::getHighlightFlags()
{
if (!isSelected()) return Highlight::NoHighlight;
return isGroupMember() ? (Highlight::Selected | Highlight::GroupMember) : Highlight::Selected;
}
void BrushNode::evaluateViewDependent(const VolumeTest& volume, const Matrix4& localToWorld) const
{
if (!m_viewChanged) return;
m_viewChanged = false;
// Array of booleans to indicate which faces are visible
static bool faces_visible[brush::c_brush_maxFaces];
// Will hold the indices of all visible faces (from the current viewpoint)
static std::size_t visibleFaceIndices[brush::c_brush_maxFaces];
std::size_t numVisibleFaces(0);
bool* j = faces_visible;
bool forceVisible = isForcedVisible();
// Iterator to an index of a visible face
std::size_t* visibleFaceIter = visibleFaceIndices;
std::size_t curFaceIndex = 0;
for (FaceInstances::const_iterator i = m_faceInstances.begin();
i != m_faceInstances.end();
++i, ++j, ++curFaceIndex)
{
// Check if face is filtered before adding to visibility matrix
// greebo: Removed localToWorld transformation here, brushes don't have a non-identity l2w
// Don't cull backfacing planes to make those faces visible in orthoview (#5465)
if (forceVisible || i->faceIsVisible())
{
*j = true;
// Store the index of this visible face in the array
*visibleFaceIter++ = curFaceIndex;
numVisibleFaces++;
}
else
{
*j = false;
}
}
m_brush.update_wireframe(m_render_wireframe, faces_visible);
m_brush.update_faces_wireframe(_faceCentroidPointsCulled, visibleFaceIndices, numVisibleFaces);
}
void BrushNode::renderSolid(RenderableCollector& collector,
const VolumeTest& volume,
const Matrix4& localToWorld) const
{
assert(_renderEntity); // brushes rendered without parent entity - no way!
// Check for the override status of this brush
bool forceVisible = isForcedVisible();
// Submit the lights and renderable geometry for each face
for (const FaceInstance& faceInst : m_faceInstances)
{
// Skip invisible faces before traversing further
if (!forceVisible && !faceInst.faceIsVisible()) continue;
const Face& face = faceInst.getFace();
if (face.intersectVolume(volume))
{
bool highlight = faceInst.selectedComponents();
if (highlight)
collector.setHighlightFlag(RenderableCollector::Highlight::Faces, true);
// greebo: BrushNodes have always an identity l2w, don't do any transforms
collector.addRenderable(
*face.getFaceShader().getGLShader(), face.getWinding(),
Matrix4::getIdentity(), this, _renderEntity
);
if (highlight)
collector.setHighlightFlag(RenderableCollector::Highlight::Faces, false);
}
}
renderSelectedPoints(collector, volume, localToWorld);
}
void BrushNode::renderWireframe(RenderableCollector& collector, const VolumeTest& volume, const Matrix4& localToWorld) const
{
//renderCommon(collector, volume);
evaluateViewDependent(volume, localToWorld);
if (m_render_wireframe.m_size != 0)
{
collector.addRenderable(*_renderEntity->getWireShader(), m_render_wireframe, localToWorld);
}
renderSelectedPoints(collector, volume, localToWorld);
}
void BrushNode::update_selected() const
{
if (!_renderableComponentsNeedUpdate) return;
_renderableComponentsNeedUpdate = false;
_selectedPoints.clear();
for (FaceInstances::const_iterator i = m_faceInstances.begin(); i != m_faceInstances.end(); ++i) {
if (i->getFace().contributes()) {
i->iterate_selected(_selectedPoints);
}
}
}
void BrushNode::renderSelectedPoints(RenderableCollector& collector,
const VolumeTest& volume,
const Matrix4& localToWorld) const
{
m_brush.evaluateBRep();
update_selected();
if (!_selectedPoints.empty())
{
collector.setHighlightFlag(RenderableCollector::Highlight::Primitives, false);
collector.addRenderable(*m_state_selpoint, _selectedPoints, localToWorld);
}
}
void BrushNode::evaluateTransform() {
Matrix4 matrix(calculateTransform());
//rMessage() << "matrix: " << matrix << "\n";
if (getType() == TRANSFORM_PRIMITIVE)
{
// If this is a pure translation (no other bits set), call the specialised method
if (getTransformationType() == Translation)
{
// TODO: Take care of texture lock
for (auto face : m_brush)
{
face->translate(getTranslation());
}
}
else
{
m_brush.transform(matrix);
}
}
else {
transformComponents(matrix);
}
}
bool BrushNode::getIntersection(const Ray& ray, Vector3& intersection)
{
return m_brush.getIntersection(ray, intersection);
}
void BrushNode::updateFaceVisibility()
{
// Trigger an update, the brush might not have any faces calculated so far
m_brush.evaluateBRep();
for (FaceInstances::iterator i = m_faceInstances.begin(); i != m_faceInstances.end(); ++i)
{
i->updateFaceVisibility();
}
}
void BrushNode::transformComponents(const Matrix4& matrix) {
for (FaceInstances::iterator i = m_faceInstances.begin(); i != m_faceInstances.end(); ++i) {
i->transformComponents(matrix);
}
}
void BrushNode::setClipPlane(const Plane3& plane) {
m_clipPlane.setPlane(m_brush, plane);
}
void BrushNode::forEachFaceInstance(const std::function<void(FaceInstance&)>& functor)
{
std::for_each(m_faceInstances.begin(), m_faceInstances.end(), functor);
}
const Vector3& BrushNode::getUntransformedOrigin()
{
if (_untransformedOriginChanged)
{
_untransformedOriginChanged = false;
_untransformedOrigin = worldAABB().getOrigin();
}
return _untransformedOrigin;
}
bool BrushNode::facesAreForcedVisible()
{
return isForcedVisible();
}
void BrushNode::_onTransformationChanged()
{
m_brush.transformChanged();
_renderableComponentsNeedUpdate = true;
}
void BrushNode::_applyTransformation()
{
m_brush.revertTransform();
evaluateTransform();
m_brush.freezeTransform();
_untransformedOriginChanged = true;
}