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lc_view.cpp
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lc_view.cpp
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#include "lc_global.h"
#include "lc_view.h"
#include "lc_viewwidget.h"
#include <stdlib.h>
#include "lc_mainwindow.h"
#include "light.h"
#include "camera.h"
#include "texfont.h"
#include "lc_texture.h"
#include "piece.h"
#include "pieceinf.h"
#include "lc_synth.h"
#include "lc_traintrack.h"
#include "lc_scene.h"
#include "lc_context.h"
#include "lc_viewmanipulator.h"
#include "lc_viewsphere.h"
#include "lc_findreplacewidget.h"
#include "lc_library.h"
#include "lc_partselectionwidget.h"
lcFindReplaceParams lcView::mFindReplaceParams;
QPointer<lcFindReplaceWidget> lcView::mFindWidget;
lcView* lcView::mLastFocusedView;
std::vector<lcView*> lcView::mViews;
lcView::lcView(lcViewType ViewType, lcModel* Model)
: mViewType(ViewType), mScene(new lcScene()), mModel(Model)
{
mContext = new lcContext();
mViews.push_back(this);
mViewManipulator = std::unique_ptr<lcViewManipulator>(new lcViewManipulator(this));
mViewSphere = std::unique_ptr<lcViewSphere>(new lcViewSphere(this));
memset(mGridSettings, 0, sizeof(mGridSettings));
mDragState = lcDragState::None;
mTrackToolFromOverlay = false;
lcView* ActiveView = gMainWindow ? gMainWindow->GetActiveView() : nullptr;
if (ActiveView)
SetCamera(ActiveView->mCamera, false);
else
{
mCamera = new lcCamera(true);
mCamera->SetViewpoint(lcViewpoint::Home);
}
}
lcView::~lcView()
{
if (mPiecePreviewInfo)
{
lcPiecesLibrary* Library = lcGetPiecesLibrary();
Library->ReleasePieceInfo(mPiecePreviewInfo);
mPiecePreviewInfo = nullptr;
}
mContext->DestroyVertexBuffer(mGridBuffer);
if (gMainWindow && mViewType == lcViewType::View)
gMainWindow->RemoveView(this);
if (mCamera && mCamera->IsSimple())
delete mCamera;
mViews.erase(std::find(mViews.begin(), mViews.end(), this));
if (mLastFocusedView == this)
mLastFocusedView = nullptr;
if (mDeleteContext)
delete mContext;
}
std::vector<lcView*> lcView::GetModelViews(const lcModel* Model)
{
std::vector<lcView*> Views;
for (lcView* View : mViews)
if (View->GetModel() == Model)
Views.push_back(View);
return Views;
}
void lcView::UpdateProjectViews(const Project* Project)
{
for (lcView* View : mViews)
{
const lcModel* ViewModel = View->GetActiveModel();
if (ViewModel && ViewModel->GetProject() == Project)
View->Redraw();
}
}
void lcView::UpdateAllViews()
{
for (lcView* View : mViews)
View->Redraw();
}
void lcView::MakeCurrent()
{
mContext->MakeCurrent();
}
void lcView::Redraw()
{
if (mWidget)
mWidget->update();
}
void lcView::SetOffscreenContext()
{
mContext->SetOffscreenContext();
}
void lcView::SetFocus(bool Focus)
{
if (Focus)
{
if (mLastFocusedView != this)
{
delete mFindWidget;
mFindWidget = nullptr;
mLastFocusedView = this;
}
emit FocusReceived();
}
}
void lcView::SetMousePosition(int MouseX, int MouseY)
{
mMouseX = MouseX;
mMouseY = MouseY;
}
void lcView::SetMouseModifiers(Qt::KeyboardModifiers MouseModifiers)
{
mMouseModifiers = MouseModifiers;
}
lcModel* lcView::GetActiveModel() const
{
return !mActiveSubmodelInstance ? mModel : mActiveSubmodelInstance->mPieceInfo->GetModel();
}
void lcView::SetTopSubmodelActive()
{
lcModel* ActiveModel = GetActiveModel();
if (mActiveSubmodelInstance)
{
ActiveModel->SetActive(false);
mActiveSubmodelInstance = nullptr;
}
GetActiveModel()->UpdateInterface();
}
void lcView::SetSelectedSubmodelActive()
{
lcModel* ActiveModel = GetActiveModel();
lcObject* Object = ActiveModel->GetFocusObject();
if (mActiveSubmodelInstance)
{
ActiveModel->SetActive(false);
mActiveSubmodelInstance = nullptr;
}
if (Object && Object->IsPiece())
{
lcPiece* Piece = (lcPiece*)Object;
if (Piece->mPieceInfo->IsModel())
{
mActiveSubmodelTransform = lcMatrix44Identity();
mModel->GetPieceWorldMatrix(Piece, mActiveSubmodelTransform);
mActiveSubmodelInstance = Piece;
ActiveModel = mActiveSubmodelInstance->mPieceInfo->GetModel();
ActiveModel->SetActive(true);
RemoveCamera();
}
}
GetActiveModel()->UpdateInterface();
}
void lcView::CreateResources(lcContext* Context)
{
Q_UNUSED(Context);
gGridTexture = new lcTexture;
gGridTexture->CreateGridTexture();
}
void lcView::DestroyResources(lcContext* Context)
{
Q_UNUSED(Context);
delete gGridTexture;
gGridTexture = nullptr;
}
void lcView::RemoveCamera()
{
if (mCamera && mCamera->IsSimple())
return;
lcCamera* Camera = mCamera;
mCamera = new lcCamera(true);
if (Camera)
mCamera->CopyPosition(Camera);
else
mCamera->SetViewpoint(lcViewpoint::Home);
Redraw();
}
lcVector3 lcView::ProjectPoint(const lcVector3& Point) const
{
int Viewport[4] = { 0, 0, mWidth, mHeight };
return lcProjectPoint(Point, mCamera->mWorldView, GetProjectionMatrix(), Viewport);
}
lcVector3 lcView::UnprojectPoint(const lcVector3& Point) const
{
int Viewport[4] = { 0, 0, mWidth, mHeight };
return lcUnprojectPoint(Point, mCamera->mWorldView, GetProjectionMatrix(), Viewport);
}
void lcView::UnprojectPoints(lcVector3* Points, int NumPoints) const
{
int Viewport[4] = { 0, 0, mWidth, mHeight };
lcUnprojectPoints(Points, NumPoints, mCamera->mWorldView, GetProjectionMatrix(), Viewport);
}
lcMatrix44 lcView::GetProjectionMatrix() const
{
float AspectRatio = (float)mWidth / (float)mHeight;
if (mCamera->IsOrtho())
{
float OrthoHeight = mCamera->GetOrthoHeight() / 2.0f;
float OrthoWidth = OrthoHeight * AspectRatio;
return lcMatrix44Ortho(-OrthoWidth, OrthoWidth, -OrthoHeight, OrthoHeight, mCamera->m_zNear, mCamera->m_zFar * 4);
}
else
return lcMatrix44Perspective(mCamera->m_fovy, AspectRatio, mCamera->m_zNear, mCamera->m_zFar);
}
lcMatrix44 lcView::GetTileProjectionMatrix(int CurrentRow, int CurrentColumn, int CurrentTileWidth, int CurrentTileHeight) const
{
int ImageWidth = mRenderImage.width();
int ImageHeight = mRenderImage.height();
double ImageLeft, ImageRight, ImageBottom, ImageTop, Near, Far;
double AspectRatio = (double)ImageWidth / (double)ImageHeight;
if (mCamera->IsOrtho())
{
float OrthoHeight = mCamera->GetOrthoHeight() / 2.0f;
float OrthoWidth = OrthoHeight * AspectRatio;
ImageLeft = -OrthoWidth;
ImageRight = OrthoWidth;
ImageBottom = -OrthoHeight;
ImageTop = OrthoHeight;
Near = mCamera->m_zNear;
Far = mCamera->m_zFar * 4;
}
else
{
double xmin, xmax, ymin, ymax;
ymax = mCamera->m_zNear * tan(mCamera->m_fovy * 3.14159265 / 360.0);
ymin = -ymax;
xmin = ymin * AspectRatio;
xmax = ymax * AspectRatio;
ImageLeft = xmin;
ImageRight = xmax;
ImageBottom = ymin;
ImageTop = ymax;
Near = mCamera->m_zNear;
Far = mCamera->m_zFar;
}
double Left = ImageLeft + (ImageRight - ImageLeft) * (CurrentColumn * mWidth) / ImageWidth;
double Right = Left + (ImageRight - ImageLeft) * CurrentTileWidth / ImageWidth;
double Bottom = ImageBottom + (ImageTop - ImageBottom) * (CurrentRow * mHeight) / ImageHeight;
double Top = Bottom + (ImageTop - ImageBottom) * CurrentTileHeight / ImageHeight;
if (mCamera->IsOrtho())
return lcMatrix44Ortho(Left, Right, Bottom, Top, Near, Far);
else
return lcMatrix44Frustum(Left, Right, Bottom, Top, Near, Far);
}
void lcView::ShowTrainTrackPopup()
{
if (mViewType != lcViewType::View)
return;
lcModel* ActiveModel = GetActiveModel();
lcObject* Focus = ActiveModel->GetFocusObject();
if (!Focus || !Focus->IsPiece())
return;
lcPiece* Piece = (lcPiece*)Focus;
const lcTrainTrackInfo* TrainTrackInfo = Piece->mPieceInfo->GetTrainTrackInfo();
if (!TrainTrackInfo)
return;
QMenu* Menu = new QMenu(mWidget);
QWidgetAction* Action = new QWidgetAction(Menu);
lcPartSelectionListView* ListView = new lcPartSelectionListView(mWidget, nullptr);
Action->setDefaultWidget(ListView);
Menu->addAction(Action);
std::vector<PieceInfo*> Parts = lcGetPiecesLibrary()->GetTrainTrackParts(TrainTrackInfo);
ListView->SetCustomParts(Parts);
connect(ListView, &QListView::doubleClicked, [this, Menu, ListView, ActiveModel]()
{
ActiveModel->AddPiece(ListView->GetCurrentPart(), mTrackToolSection);
lcObject* Focus = ActiveModel->GetFocusObject();
if (Focus && Focus->IsPiece())
ActiveModel->UpdateTrainTrackConnections((lcPiece*)Focus);
Menu->close();
});
Menu->exec(QCursor::pos());
delete Menu;
}
void lcView::ShowContextMenu() const
{
if (mViewType != lcViewType::View)
return;
QAction** Actions = gMainWindow->mActions;
QMenu* Popup = new QMenu();
Popup->addAction(Actions[LC_EDIT_CUT]);
Popup->addAction(Actions[LC_EDIT_COPY]);
Popup->addAction(Actions[LC_EDIT_PASTE]);
Popup->addAction(Actions[LC_EDIT_PASTE_STEPS]);
Popup->addAction(Actions[LC_PIECE_DUPLICATE]);
Popup->addSeparator();
Popup->addAction(Actions[LC_PIECE_CONTROL_POINT_INSERT]);
Popup->addAction(Actions[LC_PIECE_CONTROL_POINT_REMOVE]);
Popup->addSeparator();
Popup->addAction(Actions[LC_PIECE_EDIT_SELECTED_SUBMODEL]);
Popup->addAction(Actions[LC_PIECE_EDIT_END_SUBMODEL]);
Popup->addAction(Actions[LC_PIECE_VIEW_SELECTED_MODEL]);
Popup->addAction(Actions[LC_PIECE_INLINE_SELECTED_MODELS]);
Popup->addAction(Actions[LC_PIECE_MOVE_SELECTION_TO_MODEL]);
Popup->addSeparator();
Popup->addMenu(gMainWindow->GetToolsMenu());
Popup->addMenu(gMainWindow->GetViewpointMenu());
Popup->addMenu(gMainWindow->GetCameraMenu());
Popup->addMenu(gMainWindow->GetProjectionMenu());
Popup->addMenu(gMainWindow->GetShadingMenu());
Popup->addSeparator();
Popup->addAction(Actions[LC_VIEW_SPLIT_HORIZONTAL]);
Popup->addAction(Actions[LC_VIEW_SPLIT_VERTICAL]);
Popup->addAction(Actions[LC_VIEW_REMOVE_VIEW]);
Popup->addAction(Actions[LC_VIEW_RESET_VIEWS]);
Popup->exec(QCursor::pos());
delete Popup;
}
bool lcView::CloseFindReplaceDialog()
{
if (mFindWidget && (mWidget->hasFocus() || mFindWidget->focusWidget()))
{
delete mFindWidget;
mFindWidget = nullptr;
return true;
}
return false;
}
void lcView::ShowFindReplaceWidget(bool Replace)
{
delete mFindWidget;
mFindReplaceParams = lcFindReplaceParams();
mFindWidget = new lcFindReplaceWidget(mWidget, GetActiveModel(), Replace);
}
lcVector3 lcView::GetMoveDirection(const lcVector3& Direction) const
{
if (lcGetPreferences().mFixedAxes)
return Direction;
// TODO: rewrite this
lcVector3 axis = Direction;
lcVector3 Pts[3] = { lcVector3(5.0f, 5.0f, 0.1f), lcVector3(10.0f, 5.0f, 0.1f), lcVector3(5.0f, 10.0f, 0.1f) };
UnprojectPoints(Pts, 3);
float ax, ay;
lcVector3 vx((Pts[1][0] - Pts[0][0]), (Pts[1][1] - Pts[0][1]), 0);//Pts[1][2] - Pts[0][2] };
vx.Normalize();
lcVector3 x(1, 0, 0);
ax = acosf(lcDot(vx, x));
lcVector3 vy((Pts[2][0] - Pts[0][0]), (Pts[2][1] - Pts[0][1]), 0);//Pts[2][2] - Pts[0][2] };
vy.Normalize();
lcVector3 y(0, -1, 0);
ay = acosf(lcDot(vy, y));
if (ax > 135)
axis[0] = -axis[0];
if (ay < 45)
axis[1] = -axis[1];
if (ax >= 45 && ax <= 135)
{
float tmp = axis[0];
ax = acosf(lcDot(vx, y));
if (ax > 90)
{
axis[0] = -axis[1];
axis[1] = tmp;
}
else
{
axis[0] = axis[1];
axis[1] = -tmp;
}
}
return axis;
}
void lcView::UpdatePiecePreview()
{
PieceInfo* PreviewInfo = gMainWindow->GetCurrentPieceInfo();
if (PreviewInfo)
{
mPiecePreviewTransform = GetPieceInsertTransform(false, PreviewInfo);
if (GetActiveModel() != mModel)
mPiecePreviewTransform = lcMul(mPiecePreviewTransform, mActiveSubmodelTransform);
}
if (PreviewInfo != mPiecePreviewInfo)
{
lcPiecesLibrary* Library = lcGetPiecesLibrary();
if (mPiecePreviewInfo)
Library->ReleasePieceInfo(mPiecePreviewInfo);
mPiecePreviewInfo = PreviewInfo;
if (mPiecePreviewInfo)
Library->LoadPieceInfo(mPiecePreviewInfo, true, true);
}
}
lcMatrix44 lcView::GetPieceInsertTransform(bool IgnoreSelected, PieceInfo* Info) const
{
lcModel* ActiveModel = GetActiveModel();
lcPieceInfoRayTest PieceInfoRayTest = FindPieceInfoUnderPointer(IgnoreSelected);
if (PieceInfoRayTest.Info)
{
lcVector3 Position = PieceInfoRayTest.Plane;
if (Position.x > 0.0f)
Position.x += fabsf(Info->GetBoundingBox().Min.x);
else if (Position.x < 0.0f)
Position.x -= fabsf(Info->GetBoundingBox().Max.x);
else if (Position.y > 0.0f)
Position.y += fabsf(Info->GetBoundingBox().Min.y);
else if (Position.y < 0.0f)
Position.y -= fabsf(Info->GetBoundingBox().Max.y);
else if (Position.z > 0.0f)
Position.z += fabsf(Info->GetBoundingBox().Min.z);
else if (Position.z < 0.0f)
Position.z -= fabsf(Info->GetBoundingBox().Max.z);
if (gMainWindow->GetRelativeTransform())
Position = lcMul31(ActiveModel->SnapPosition(Position), PieceInfoRayTest.Transform);
else
Position = ActiveModel->SnapPosition(lcMul31(Position, PieceInfoRayTest.Transform));
lcMatrix44 WorldMatrix = PieceInfoRayTest.Transform;
WorldMatrix.SetTranslation(Position);
return WorldMatrix;
}
std::array<lcVector3, 2> ClickPoints = {{ lcVector3((float)mMouseX, (float)mMouseY, 0.0f), lcVector3((float)mMouseX, (float)mMouseY, 1.0f) }};
UnprojectPoints(ClickPoints.data(), 2);
if (ActiveModel != mModel)
{
lcMatrix44 InverseMatrix = lcMatrix44AffineInverse(mActiveSubmodelTransform);
for (lcVector3& Point : ClickPoints)
Point = lcMul31(Point, InverseMatrix);
}
const lcBoundingBox& BoundingBox = Info->GetBoundingBox();
lcVector3 Intersection;
if (lcLineSegmentPlaneIntersection(&Intersection, ClickPoints[0], ClickPoints[1], lcVector4(0, 0, 1, BoundingBox.Min.z)))
{
Intersection = ActiveModel->SnapPosition(Intersection);
return lcMatrix44Translation(Intersection);
}
lcVector3 Position;
if (!ActiveModel->GetFocusPosition(Position))
Position = ActiveModel->GetSelectionOrModelCenter();
lcVector3 FrontVector(mCamera->mTargetPosition - mCamera->mPosition);
if (lcLineSegmentPlaneIntersection(&Intersection, ClickPoints[0], ClickPoints[1], lcVector4(FrontVector, -lcDot(FrontVector, Position))))
{
Intersection = ActiveModel->SnapPosition(Intersection);
return lcMatrix44Translation(Intersection);
}
return lcMatrix44Translation(UnprojectPoint(lcVector3((float)mMouseX, (float)mMouseY, 0.9f)));
}
lcVector3 lcView::GetCameraLightInsertPosition() const
{
lcModel* ActiveModel = GetActiveModel();
std::array<lcVector3, 2> ClickPoints = { { lcVector3((float)mMouseX, (float)mMouseY, 0.0f), lcVector3((float)mMouseX, (float)mMouseY, 1.0f) } };
UnprojectPoints(ClickPoints.data(), 2);
if (ActiveModel != mModel)
{
lcMatrix44 InverseMatrix = lcMatrix44AffineInverse(mActiveSubmodelTransform);
for (lcVector3& Point : ClickPoints)
Point = lcMul31(Point, InverseMatrix);
}
lcVector3 Min, Max;
lcVector3 Center;
if (ActiveModel->GetVisiblePiecesBoundingBox(Min, Max))
Center = (Min + Max) / 2.0f;
else
Center = lcVector3(0.0f, 0.0f, 0.0f);
return lcRayPointClosestPoint(Center, ClickPoints[0], ClickPoints[1]);
}
void lcView::GetRayUnderPointer(lcVector3& Start, lcVector3& End) const
{
lcVector3 StartEnd[2] =
{
lcVector3((float)mMouseX, (float)mMouseY, 0.0f),
lcVector3((float)mMouseX, (float)mMouseY, 1.0f)
};
UnprojectPoints(StartEnd, 2);
Start = StartEnd[0];
End = StartEnd[1];
}
lcObjectSection lcView::FindObjectUnderPointer(bool PiecesOnly, bool IgnoreSelected) const
{
lcVector3 StartEnd[2] =
{
lcVector3((float)mMouseX, (float)mMouseY, 0.0f),
lcVector3((float)mMouseX, (float)mMouseY, 1.0f)
};
UnprojectPoints(StartEnd, 2);
lcObjectRayTest ObjectRayTest;
ObjectRayTest.PiecesOnly = PiecesOnly;
ObjectRayTest.IgnoreSelected = IgnoreSelected;
ObjectRayTest.ViewCamera = mCamera;
ObjectRayTest.Start = StartEnd[0];
ObjectRayTest.End = StartEnd[1];
lcModel* ActiveModel = GetActiveModel();
if (ActiveModel != mModel)
{
lcMatrix44 InverseMatrix = lcMatrix44AffineInverse(mActiveSubmodelTransform);
ObjectRayTest.Start = lcMul31(ObjectRayTest.Start, InverseMatrix);
ObjectRayTest.End = lcMul31(ObjectRayTest.End, InverseMatrix);
}
ActiveModel->RayTest(ObjectRayTest);
return ObjectRayTest.ObjectSection;
}
lcPieceInfoRayTest lcView::FindPieceInfoUnderPointer(bool IgnoreSelected) const
{
lcVector3 StartEnd[2] =
{
lcVector3((float)mMouseX, (float)mMouseY, 0.0f),
lcVector3((float)mMouseX, (float)mMouseY, 1.0f)
};
UnprojectPoints(StartEnd, 2);
lcObjectRayTest ObjectRayTest;
ObjectRayTest.PiecesOnly = true;
ObjectRayTest.IgnoreSelected = IgnoreSelected;
ObjectRayTest.ViewCamera = mCamera;
ObjectRayTest.Start = StartEnd[0];
ObjectRayTest.End = StartEnd[1];
lcModel* ActiveModel = GetActiveModel();
if (ActiveModel != mModel)
{
lcMatrix44 InverseMatrix = lcMatrix44AffineInverse(mActiveSubmodelTransform);
ObjectRayTest.Start = lcMul31(ObjectRayTest.Start, InverseMatrix);
ObjectRayTest.End = lcMul31(ObjectRayTest.End, InverseMatrix);
}
ActiveModel->RayTest(ObjectRayTest);
return ObjectRayTest.PieceInfoRayTest;
}
std::vector<lcObject*> lcView::FindObjectsInBox(float x1, float y1, float x2, float y2) const
{
float Left, Top, Bottom, Right;
if (x1 < x2)
{
Left = x1;
Right = x2;
}
else
{
Left = x2;
Right = x1;
}
if (y1 > y2)
{
Top = y1;
Bottom = y2;
}
else
{
Top = y2;
Bottom = y1;
}
std::array<lcVector3, 6> Corners =
{{
lcVector3(Left, Top, 0),
lcVector3(Left, Bottom, 0),
lcVector3(Right, Bottom, 0),
lcVector3(Right, Top, 0),
lcVector3(Left, Top, 1),
lcVector3(Right, Bottom, 1)
}};
UnprojectPoints(Corners.data(), (int)Corners.size());
lcModel* ActiveModel = GetActiveModel();
if (ActiveModel != mModel)
{
lcMatrix44 InverseMatrix = lcMatrix44AffineInverse(mActiveSubmodelTransform);
for (lcVector3& Point : Corners)
Point = lcMul31(Point, InverseMatrix);
}
lcVector3 PlaneNormals[6];
PlaneNormals[0] = lcNormalize(lcCross(Corners[4] - Corners[0], Corners[1] - Corners[0])); // Left
PlaneNormals[1] = lcNormalize(lcCross(Corners[5] - Corners[2], Corners[3] - Corners[2])); // Right
PlaneNormals[2] = lcNormalize(lcCross(Corners[3] - Corners[0], Corners[4] - Corners[0])); // Top
PlaneNormals[3] = lcNormalize(lcCross(Corners[1] - Corners[2], Corners[5] - Corners[2])); // Bottom
PlaneNormals[4] = lcNormalize(lcCross(Corners[1] - Corners[0], Corners[3] - Corners[0])); // Front
PlaneNormals[5] = lcNormalize(lcCross(Corners[1] - Corners[2], Corners[3] - Corners[2])); // Back
lcObjectBoxTest ObjectBoxTest;
ObjectBoxTest.ViewCamera = mCamera;
ObjectBoxTest.Planes[0] = lcVector4(PlaneNormals[0], -lcDot(PlaneNormals[0], Corners[0]));
ObjectBoxTest.Planes[1] = lcVector4(PlaneNormals[1], -lcDot(PlaneNormals[1], Corners[5]));
ObjectBoxTest.Planes[2] = lcVector4(PlaneNormals[2], -lcDot(PlaneNormals[2], Corners[0]));
ObjectBoxTest.Planes[3] = lcVector4(PlaneNormals[3], -lcDot(PlaneNormals[3], Corners[5]));
ObjectBoxTest.Planes[4] = lcVector4(PlaneNormals[4], -lcDot(PlaneNormals[4], Corners[0]));
ObjectBoxTest.Planes[5] = lcVector4(PlaneNormals[5], -lcDot(PlaneNormals[5], Corners[5]));
ActiveModel->BoxTest(ObjectBoxTest);
return ObjectBoxTest.Objects;
}
std::vector<QImage> lcView::GetStepImages(lcStep Start, lcStep End)
{
std::vector<QImage> Images;
if (!BeginRenderToImage(mWidth, mHeight))
{
QMessageBox::warning(gMainWindow, tr("LeoCAD"), tr("Error creating images."));
return Images;
}
const lcStep CurrentStep = mModel->GetCurrentStep();
for (lcStep Step = Start; Step <= End; Step++)
{
mModel->SetTemporaryStep(Step);
OnDraw();
Images.emplace_back(GetRenderImage());
}
EndRenderToImage();
mModel->SetTemporaryStep(CurrentStep);
if (!mModel->IsActive())
mModel->CalculateStep(LC_STEP_MAX);
return Images;
}
void lcView::SaveStepImages(const QString& BaseName, bool AddStepSuffix, lcStep Start, lcStep End, std::function<void(const QString&)> ProgressCallback)
{
std::vector<QImage> Images = GetStepImages(Start, End);
for (lcStep Step = Start; Step <= End; Step++)
{
QString FileName;
if (AddStepSuffix)
FileName = BaseName.arg(Step, 2, 10, QLatin1Char('0'));
else
FileName = BaseName;
QImageWriter Writer(FileName);
if (Writer.format().isEmpty())
Writer.setFormat("png");
if (!Writer.write(Images[Step - Start]))
{
QMessageBox::information(gMainWindow, tr("Error"), tr("Error writing to file '%1':\n%2").arg(FileName, Writer.errorString()));
break;
}
if (ProgressCallback)
ProgressCallback(FileName);
}
}
bool lcView::BeginRenderToImage(int Width, int Height)
{
GLint MaxTexture;
glGetIntegerv(GL_MAX_TEXTURE_SIZE, &MaxTexture);
MaxTexture = qMin(MaxTexture, 2048);
const int Samples = QSurfaceFormat::defaultFormat().samples();
if (Samples > 1)
MaxTexture /= Samples;
int TileWidth = qMin(Width, MaxTexture);
int TileHeight = qMin(Height, MaxTexture);
mWidth = TileWidth;
mHeight = TileHeight;
mRenderImage = QImage(Width, Height, QImage::Format_ARGB32);
QOpenGLFramebufferObjectFormat Format;
Format.setAttachment(QOpenGLFramebufferObject::Depth);
if (QSurfaceFormat::defaultFormat().samples() > 1)
Format.setSamples(QSurfaceFormat::defaultFormat().samples());
mRenderFramebuffer = std::unique_ptr<QOpenGLFramebufferObject>(new QOpenGLFramebufferObject(QSize(TileWidth, TileHeight), Format));
return mRenderFramebuffer->bind();
}
void lcView::EndRenderToImage()
{
mRenderFramebuffer.reset();
}
QImage lcView::GetRenderImage() const
{
return mRenderImage;
}
void lcView::BindRenderFramebuffer()
{
mRenderFramebuffer->bind();
}
void lcView::UnbindRenderFramebuffer()
{
mRenderFramebuffer->release();
}
QImage lcView::GetRenderFramebufferImage() const
{
return mRenderFramebuffer->toImage();
}
void lcView::OnDraw()
{
if (!mModel)
return;
//#define LC_PROFILE_DRAW
#ifdef LC_PROFILE_DRAW
static std::array<GLuint64, 30> QueryResults;
static std::array<qint64, 30> TimerResults;
static int FrameNumber;
QElapsedTimer Timer;
QOpenGLTimerQuery Query;
if (!Query.isCreated())
Query.create();
Query.begin();
Timer.start();
#endif
const lcPreferences& Preferences = lcGetPreferences();
const bool DrawOverlays = mWidget != nullptr;
const bool DrawInterface = mWidget != nullptr && mViewType == lcViewType::View;
lcShadingMode ShadingMode = Preferences.mShadingMode;
if (ShadingMode == lcShadingMode::Wireframe && !mWidget)
ShadingMode = lcShadingMode::Flat;
mScene->SetShadingMode(ShadingMode);
mScene->SetAllowLOD(Preferences.mAllowLOD && mWidget != nullptr);
mScene->SetLODDistance(Preferences.mMeshLODDistance);
mScene->Begin(mCamera->mWorldView);
mScene->SetActiveSubmodelInstance(mActiveSubmodelInstance, mActiveSubmodelTransform);
mScene->SetDrawInterface(DrawInterface);
mModel->GetScene(mScene.get(), mCamera, Preferences.mHighlightNewParts, Preferences.mFadeSteps);
if (DrawInterface && mTrackTool == lcTrackTool::Insert)
{
UpdatePiecePreview();
if (mPiecePreviewInfo)
{
mPiecePreviewInfo->AddRenderMeshes(mScene.get(), mPiecePreviewTransform, gMainWindow->mColorIndex, lcRenderMeshState::Focused, false);
}
}
if (DrawInterface)
mScene->SetPreTranslucentCallback([this]() { DrawGrid(); });
mScene->End();
int TotalTileRows = 1;
int TotalTileColumns = 1;
if (!mRenderImage.isNull())
{
int ImageWidth = mRenderImage.width();
int ImageHeight = mRenderImage.height();
if (ImageWidth > mWidth || ImageHeight > mHeight)
{
TotalTileColumns = (mWidth + ImageWidth - 1) / mWidth;
TotalTileRows = (mHeight + ImageHeight - 1) / mHeight;
}
}
for (int CurrentTileRow = 0; CurrentTileRow < TotalTileRows; CurrentTileRow++)
{
for (int CurrentTileColumn = 0; CurrentTileColumn < TotalTileColumns; CurrentTileColumn++)
{
mContext->SetDefaultState();
mContext->SetViewport(0, 0, mWidth, mHeight);
int CurrentTileWidth, CurrentTileHeight;
if (!mRenderImage.isNull() && (TotalTileRows > 1 || TotalTileColumns > 1))
{
if (CurrentTileRow < TotalTileRows - 1)
CurrentTileHeight = mHeight;
else
CurrentTileHeight = mRenderImage.height() - (TotalTileRows - 1) * (mHeight);
if (CurrentTileColumn < TotalTileColumns - 1)
CurrentTileWidth = mWidth;
else
CurrentTileWidth = mRenderImage.width() - (TotalTileColumns - 1) * (mWidth);
DrawBackground(CurrentTileRow, TotalTileRows, CurrentTileHeight);
mContext->SetViewport(0, 0, CurrentTileWidth, CurrentTileHeight);
mContext->SetProjectionMatrix(GetTileProjectionMatrix(CurrentTileRow, CurrentTileColumn, CurrentTileWidth, CurrentTileHeight));
}
else
{
CurrentTileWidth = mWidth;
CurrentTileHeight = mHeight;
DrawBackground(CurrentTileRow, TotalTileRows, CurrentTileHeight);
mContext->SetProjectionMatrix(GetProjectionMatrix());
}
mContext->SetLineWidth(Preferences.mLineWidth);
mScene->Draw(mContext);
if (!mRenderImage.isNull())
{
UnbindRenderFramebuffer();
QImage TileImage = GetRenderFramebufferImage();
BindRenderFramebuffer();
quint8* Buffer = TileImage.bits();
uchar* ImageBuffer = mRenderImage.bits();
quint32 TileY = 0, SrcY = 0;
if (CurrentTileRow != TotalTileRows - 1)
TileY = (TotalTileRows - CurrentTileRow - 1) * mHeight - ((mHeight - mRenderImage.height() % mHeight) % mHeight);
else if (TotalTileRows > 1)
SrcY = (mHeight - mRenderImage.height() % mHeight) % mHeight;
quint32 TileStart = ((CurrentTileColumn * mWidth) + (TileY * mRenderImage.width())) * 4;
for (int y = 0; y < CurrentTileHeight; y++)
{
quint8* src = Buffer + (SrcY + y) * mWidth * 4;
quint8* dst = ImageBuffer + TileStart + y * mRenderImage.width() * 4;
memcpy(dst, src, CurrentTileWidth * 4);
}
}
}
}
if (DrawInterface)
mScene->DrawInterfaceObjects(mContext);
if (DrawOverlays)
DrawAxes();
if (DrawInterface)
{
lcTool Tool = gMainWindow->GetTool();
lcModel* ActiveModel = GetActiveModel();
if ((Tool == lcTool::Select || Tool == lcTool::Move) && mTrackButton == lcTrackButton::None && ActiveModel->AnyObjectsSelected())
mViewManipulator->DrawSelectMove(mTrackButton, mTrackTool, mTrackToolSection);