3D Preview
3D Preview - restore doc format
This commit is contained in:
Trevor SANDY
@@ -0,0 +1,637 @@
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#include "QMessageBox"
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#include "lc_global.h"
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#include "lc_previewwidget.h"
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#include "pieceinf.h"
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#include "piece.h"
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#include "project.h"
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#include "lc_model.h"
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#include "camera.h"
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#include "texfont.h"
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#include "lc_library.h"
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#include "lc_qglwidget.h"
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lcPreviewWidget* gPreviewWidget;
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lcPreviewDockWidget::lcPreviewDockWidget(QMainWindow *parent)
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:QMainWindow(parent)
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{
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Preview = new lcPreviewWidget();
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ViewWidget = new lcQGLWidget(nullptr, Preview, true/*IsView*/, true/*IsPreview*/);
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setCentralWidget(ViewWidget);
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setMinimumSize(200, 200);
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ToolBar = addToolBar(tr("PreviewDescription"));
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ToolBar->setObjectName("PreviewDescription");
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ToolBar->setMovable(false);
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Label = new QLabel("");
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ToolBar->addWidget(Label);
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}
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bool lcPreviewDockWidget::SetCurrentPiece(const QString &PartType, int ColorCode)
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{
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Label->setText("Loading...");
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if (Preview->SetCurrentPiece(PartType, ColorCode)) {
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Label->setText(Preview->GetDescription());
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return true;
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}
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return false;
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}
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void lcPreviewDockWidget::ClearPreview()
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{
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Preview->ClearPreview();
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Label->setText("");
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}
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lcPreviewWidget::lcPreviewWidget()
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: mLoader(new Project(true/*IsPreview*/)),
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mViewSphere(this/*Preview*/),
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mIsPart(false)
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{
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mTool = LC_TOOL_SELECT;
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mTrackTool = LC_TRACKTOOL_NONE;
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mTrackButton = lcTrackButton::None;
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mLoader->SetActiveModel(0);
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mModel = mLoader->GetActiveModel();
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mCamera = nullptr;
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SetDefaultCamera();
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}
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lcPreviewWidget::~lcPreviewWidget()
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{
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if (mCamera && mCamera->IsSimple())
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delete mCamera;
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if (mIsPart) {
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lcPiecesLibrary* Library = lcGetPiecesLibrary();
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for (lcPiece* Piece : mModel->GetPieces())
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{
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PieceInfo *Info = Piece->mPieceInfo;
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Library->ReleasePieceInfo(Info);
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}
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}
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}
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bool lcPreviewWidget::SetCurrentPiece(const QString &PartType, int ColorCode)
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{
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lcPiecesLibrary *Library = lcGetPiecesLibrary();
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PieceInfo* Info = Library->FindPiece(PartType.toLatin1().constData(), nullptr, false, false);
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if (Info) {
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mIsPart = true;
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mDescription = Info->m_strDescription;
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lcModel* ActiveModel = GetActiveModel();
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ActiveModel->SelectAllPieces();
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ActiveModel->DeleteSelectedObjects();
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Library->LoadPieceInfo(Info, false, true);
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Library->WaitForLoadQueue();
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float* Matrix = lcMatrix44Identity();;
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lcMatrix44 Transform(lcVector4( Matrix[0], Matrix[2], -Matrix[1], 0.0f), lcVector4(Matrix[8], Matrix[10], -Matrix[9], 0.0f),
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lcVector4(-Matrix[4], -Matrix[6], Matrix[5], 0.0f), lcVector4(Matrix[12], Matrix[14], -Matrix[13], 1.0f));
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int CurrentStep = 1;
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lcPiece* Piece = new lcPiece(nullptr);
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Piece->SetPieceInfo(Info, PartType, false);
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Piece->Initialize(Transform, CurrentStep);
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Piece->SetColorCode(ColorCode);
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ActiveModel->SetPreviewPiece(Piece);
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Piece = nullptr;
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} else {
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QString ModelPath = QString("%1/%2")
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.arg(QDir::currentPath())
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.arg(PartType);
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if (!mLoader->Load(ModelPath)) {
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QMessageBox::critical(nullptr, QMessageBox::tr("Error"), QMessageBox::tr("Failed to load '%1'.").arg(ModelPath));
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return false;
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}
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mLoader->SetActiveModel(0);
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lcGetPiecesLibrary()->RemoveTemporaryPieces();
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mModel = mLoader->GetActiveModel();
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if (!mModel->GetProperties().mDescription.isEmpty())
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mDescription = mModel->GetProperties().mDescription;
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else
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mDescription = PartType;
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}
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ZoomExtents();
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return true;
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}
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void lcPreviewWidget::ClearPreview()
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{
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mLoader = new Project(true/*IsPreview*/);
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mLoader->SetActiveModel(0);
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mModel = mLoader->GetActiveModel();
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lcGetPiecesLibrary()->UnloadUnusedParts();
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Redraw();
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}
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void lcPreviewWidget::SetDefaultCamera()
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{
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if (!mCamera || !mCamera->IsSimple())
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mCamera = new lcCamera(true);
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mCamera->SetViewpoint(LC_VIEWPOINT_HOME);
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}
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void lcPreviewWidget::SetCamera(lcCamera* Camera) // called by lcModel::DeleteModel()
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{
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if (!mCamera || !mCamera->IsSimple())
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mCamera = new lcCamera(true);
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mCamera->CopyPosition(Camera);
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}
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lcModel* lcPreviewWidget::GetActiveModel() const
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{
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return mModel;
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}
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void lcPreviewWidget::ZoomExtents()
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{
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lcModel* ActiveModel = GetActiveModel();
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if (ActiveModel) {
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ActiveModel->ZoomExtents(mCamera, float(mWidth) / float(mHeight));
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Redraw();
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}
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}
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lcMatrix44 lcPreviewWidget::GetProjectionMatrix() const
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{
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float AspectRatio = (float)mWidth / (float)mHeight;
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if (mCamera->IsOrtho())
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{
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float OrthoHeight = mCamera->GetOrthoHeight() / 2.0f;
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float OrthoWidth = OrthoHeight * AspectRatio;
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return lcMatrix44Ortho(-OrthoWidth, OrthoWidth, -OrthoHeight, OrthoHeight, mCamera->m_zNear, mCamera->m_zFar * 4);
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}
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else
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return lcMatrix44Perspective(mCamera->m_fovy, AspectRatio, mCamera->m_zNear, mCamera->m_zFar);
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}
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void lcPreviewWidget::StartOrbitTracking() // called by viewSphere
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{
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mTrackTool = LC_TRACKTOOL_ORBIT_XY;
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OnUpdateCursor();
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OnButtonDown(lcTrackButton::Left);
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}
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void lcPreviewWidget::SetViewpoint(const lcVector3& Position)
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{
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if (!mCamera || !mCamera->IsSimple())
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{
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lcCamera* OldCamera = mCamera;
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mCamera = new lcCamera(true);
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if (OldCamera)
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mCamera->CopySettings(OldCamera);
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}
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mCamera->SetViewpoint(Position);
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Redraw();
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}
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void lcPreviewWidget::DrawViewport()
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{
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mContext->SetWorldMatrix(lcMatrix44Identity());
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mContext->SetViewMatrix(lcMatrix44Translation(lcVector3(0.375, 0.375, 0.0)));
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mContext->SetProjectionMatrix(lcMatrix44Ortho(0.0f, mWidth, 0.0f, mHeight, -1.0f, 1.0f));
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mContext->SetDepthWrite(false);
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glDisable(GL_DEPTH_TEST);
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if (true/*we have an active view*/)
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{
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mContext->SetMaterial(lcMaterialType::UnlitColor);
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mContext->SetColor(lcVector4FromColor(lcGetPreferences().mPreviewActiveColor));
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float Verts[8] = { 0.0f, 0.0f, mWidth - 1.0f, 0.0f, mWidth - 1.0f, mHeight - 1.0f, 0.0f, mHeight - 1.0f };
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mContext->SetVertexBufferPointer(Verts);
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mContext->SetVertexFormatPosition(2);
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mContext->DrawPrimitives(GL_LINE_LOOP, 0, 4);
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}
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mContext->SetDepthWrite(true);
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glEnable(GL_DEPTH_TEST);
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}
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void lcPreviewWidget::DrawAxes()
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{
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// glClear(GL_DEPTH_BUFFER_BIT);
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const float Verts[28 * 3] =
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{
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0.00f, 0.00f, 0.00f, 20.00f, 0.00f, 0.00f, 12.00f, 3.00f, 0.00f, 12.00f, 2.12f, 2.12f,
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12.00f, 0.00f, 3.00f, 12.00f, -2.12f, 2.12f, 12.00f, -3.00f, 0.00f, 12.00f, -2.12f, -2.12f,
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12.00f, 0.00f, -3.00f, 12.00f, 2.12f, -2.12f, 0.00f, 20.00f, 0.00f, 3.00f, 12.00f, 0.00f,
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2.12f, 12.00f, 2.12f, 0.00f, 12.00f, 3.00f, -2.12f, 12.00f, 2.12f, -3.00f, 12.00f, 0.00f,
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-2.12f, 12.00f, -2.12f, 0.00f, 12.00f, -3.00f, 2.12f, 12.00f, -2.12f, 0.00f, 0.00f, 20.00f,
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0.00f, 3.00f, 12.00f, 2.12f, 2.12f, 12.00f, 3.00f, 0.00f, 12.00f, 2.12f, -2.12f, 12.00f,
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0.00f, -3.00f, 12.00f, -2.12f, -2.12f, 12.00f, -3.00f, 0.00f, 12.00f, -2.12f, 2.12f, 12.00f,
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};
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const GLushort Indices[78] =
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{
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0, 1, 0, 10, 0, 19,
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1, 2, 3, 1, 3, 4, 1, 4, 5, 1, 5, 6, 1, 6, 7, 1, 7, 8, 1, 8, 9, 1, 9, 2,
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10, 11, 12, 10, 12, 13, 10, 13, 14, 10, 14, 15, 10, 15, 16, 10, 16, 17, 10, 17, 18, 10, 18, 11,
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19, 20, 21, 19, 21, 22, 19, 22, 23, 19, 23, 24, 19, 24, 25, 19, 25, 26, 19, 26, 27, 19, 27, 20
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};
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lcMatrix44 TranslationMatrix = lcMatrix44Translation(lcVector3(30.375f, 30.375f, 0.0f));
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lcMatrix44 WorldViewMatrix = mCamera->mWorldView;
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WorldViewMatrix.SetTranslation(lcVector3(0, 0, 0));
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mContext->SetMaterial(lcMaterialType::UnlitColor);
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mContext->SetWorldMatrix(lcMatrix44Identity());
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mContext->SetViewMatrix(lcMul(WorldViewMatrix, TranslationMatrix));
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mContext->SetProjectionMatrix(lcMatrix44Ortho(0, mWidth, 0, mHeight, -50, 50));
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mContext->SetVertexBufferPointer(Verts);
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mContext->SetVertexFormatPosition(3);
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mContext->SetIndexBufferPointer(Indices);
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mContext->SetColor(0.0f, 0.0f, 0.0f, 1.0f);
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mContext->DrawIndexedPrimitives(GL_LINES, 6, GL_UNSIGNED_SHORT, 0);
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mContext->SetColor(0.8f, 0.0f, 0.0f, 1.0f);
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mContext->DrawIndexedPrimitives(GL_TRIANGLES, 24, GL_UNSIGNED_SHORT, 6 * 2);
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mContext->SetColor(0.0f, 0.8f, 0.0f, 1.0f);
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mContext->DrawIndexedPrimitives(GL_TRIANGLES, 24, GL_UNSIGNED_SHORT, (6 + 24) * 2);
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mContext->SetColor(0.0f, 0.0f, 0.8f, 1.0f);
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mContext->DrawIndexedPrimitives(GL_TRIANGLES, 24, GL_UNSIGNED_SHORT, (6 + 48) * 2);
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mContext->SetMaterial(lcMaterialType::UnlitTextureModulate);
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mContext->SetViewMatrix(TranslationMatrix);
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mContext->BindTexture2D(gTexFont.GetTexture());
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glEnable(GL_BLEND);
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float TextBuffer[6 * 5 * 3];
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/*** Native viewer camera globe mod, switch Y and Z axis with -Y(LC -Z) in the up direction ***/
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lcVector3 PosX = lcMul30(lcVector3(25.0f, 0.0f, 0.0f), WorldViewMatrix);
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gTexFont.GetGlyphTriangles(PosX.x, PosX.y, PosX.z, 'X', TextBuffer);
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lcVector3 PosY = lcMul30(lcVector3(0.0f, 25.0f, 0.0f), WorldViewMatrix);
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gTexFont.GetGlyphTriangles(PosY.x, PosY.y, PosY.z, 'Z', TextBuffer + 5 * 6);
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lcVector3 PosZ = lcMul30(lcVector3(0.0f, 0.0f, 25.0f), WorldViewMatrix);
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gTexFont.GetGlyphTriangles(PosZ.x, PosZ.y, PosZ.z, 'Y', TextBuffer + 5 * 6 * 2);
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/*** Camera globe mod end ***/
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mContext->SetVertexBufferPointer(TextBuffer);
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mContext->SetVertexFormat(0, 3, 0, 2, 0, false);
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mContext->SetColor(lcVector4FromColor(lcGetPreferences().mAxesColor));
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mContext->DrawPrimitives(GL_TRIANGLES, 0, 6 * 3);
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glDisable(GL_BLEND);
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}
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lcTool lcPreviewWidget::GetCurrentTool() const
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{
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const lcTool ToolFromTrackTool[] =
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{
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LC_TOOL_SELECT, // LC_TRACKTOOL_NONE
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LC_TOOL_PAN, // LC_TRACKTOOL_PAN
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LC_TOOL_ROTATE_VIEW, // LC_TRACKTOOL_ORBIT_XY
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};
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return ToolFromTrackTool[mTrackTool];
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}
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void lcPreviewWidget::StartTracking(lcTrackButton TrackButton)
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{
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mTrackButton = TrackButton;
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mTrackUpdated = false;
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mMouseDownX = mInputState.x;
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mMouseDownY = mInputState.y;
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lcTool Tool = GetCurrentTool(); // Either LC_TRACKTOOL_NONE (LC_TOOL_SELECT) or LC_TRACKTOOL_ORBIT_XY (LC_TOOL_ROTATE_VIEW)
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lcModel* ActiveModel = GetActiveModel();
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switch (Tool)
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{
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case LC_TOOL_SELECT:
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break;
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case LC_TOOL_PAN:
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case LC_TOOL_ROTATE_VIEW:
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ActiveModel->BeginMouseTool();
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break;
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case LC_NUM_TOOLS:
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default:
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break;
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}
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OnUpdateCursor();
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}
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void lcPreviewWidget::StopTracking(bool Accept)
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{
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if (mTrackButton == lcTrackButton::None)
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return;
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lcTool Tool = GetCurrentTool(); // Either LC_TRACKTOOL_NONE (LC_TOOL_SELECT) or LC_TRACKTOOL_ORBIT_XY (LC_TOOL_ROTATE_VIEW)
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lcModel* ActiveModel = GetActiveModel();
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switch (Tool)
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{
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case LC_TOOL_SELECT:
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break;
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case LC_TOOL_PAN:
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case LC_TOOL_ROTATE_VIEW:
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ActiveModel->EndMouseTool(Tool, Accept);
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break;
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case LC_NUM_TOOLS:
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default:
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break;
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}
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mTrackButton = lcTrackButton::None;
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mTrackTool = LC_TRACKTOOL_NONE;
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OnUpdateCursor();
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}
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void lcPreviewWidget::OnButtonDown(lcTrackButton TrackButton)
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{
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switch (mTrackTool)
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{
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case LC_TRACKTOOL_NONE:
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break;
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case LC_TRACKTOOL_PAN:
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StartTracking(TrackButton);
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break;
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case LC_TRACKTOOL_ORBIT_XY:
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StartTracking(TrackButton);
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break;
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case LC_TRACKTOOL_COUNT:
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break;
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}
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}
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lcCursor lcPreviewWidget::GetCursor() const
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{
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const lcCursor CursorFromTrackTool[] =
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{
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lcCursor::Select, // LC_TRACKTOOL_NONE
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lcCursor::Pan, // LC_TRACKTOOL_PAN
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lcCursor::RotateView, // LC_TRACKTOOL_ORBIT_XY
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};
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static_assert(LC_ARRAY_COUNT(CursorFromTrackTool) == LC_TRACKTOOL_COUNT, "Tracktool array size mismatch.");
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if (mTrackTool >= 0 && mTrackTool < LC_ARRAY_COUNT(CursorFromTrackTool))
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return CursorFromTrackTool[mTrackTool];
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return lcCursor::Select;
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}
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void lcPreviewWidget::OnInitialUpdate()
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{
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MakeCurrent();
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mContext->SetDefaultState();
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}
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void lcPreviewWidget::OnDraw()
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{
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if (!mModel)
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return;
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lcPreferences& Preferences = lcGetPreferences();
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const bool DrawInterface = mWidget != nullptr;
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mScene.SetAllowLOD(Preferences.mAllowLOD && mWidget != nullptr);
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mScene.SetLODDistance(Preferences.mMeshLODDistance);
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mScene.Begin(mCamera->mWorldView);
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mScene.SetDrawInterface(DrawInterface);
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mModel->GetScene(mScene, mCamera, false /*HighlightNewParts*/, false/*mFadeSteps*/);
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mScene.End();
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mContext->SetDefaultState();
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mContext->SetViewport(0, 0, mWidth, mHeight);
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mModel->DrawBackground(this);
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mContext->SetProjectionMatrix(GetProjectionMatrix());
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mContext->SetLineWidth(Preferences.mLineWidth);
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mScene.Draw(mContext);
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if (DrawInterface)
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{
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mContext->SetLineWidth(1.0f);
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if (Preferences.mDrawPreviewAxis)
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DrawAxes();
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if (Preferences.mDrawPreviewViewSphere)
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mViewSphere.Draw();
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DrawViewport();
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}
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mContext->ClearResources();
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}
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void lcPreviewWidget::OnUpdateCursor()
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{
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SetCursor(GetCursor());
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}
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|
||||
void lcPreviewWidget::OnLeftButtonDown()
|
||||
{
|
||||
if (mTrackButton != lcTrackButton::None)
|
||||
{
|
||||
StopTracking(false);
|
||||
return;
|
||||
}
|
||||
|
||||
if (mViewSphere.OnLeftButtonDown())
|
||||
return;
|
||||
|
||||
lcTrackTool OverrideTool = LC_TRACKTOOL_ORBIT_XY;
|
||||
|
||||
if (OverrideTool != LC_TRACKTOOL_NONE)
|
||||
{
|
||||
mTrackTool = OverrideTool;
|
||||
OnUpdateCursor();
|
||||
}
|
||||
|
||||
OnButtonDown(lcTrackButton::Left);
|
||||
}
|
||||
|
||||
void lcPreviewWidget::OnLeftButtonUp()
|
||||
{
|
||||
StopTracking(mTrackButton == lcTrackButton::Left);
|
||||
|
||||
if (mViewSphere.OnLeftButtonUp()) {
|
||||
ZoomExtents();
|
||||
return;
|
||||
}
|
||||
}
|
||||
|
||||
void lcPreviewWidget::OnMiddleButtonDown()
|
||||
{
|
||||
if (mTrackButton != lcTrackButton::None)
|
||||
{
|
||||
StopTracking(false);
|
||||
return;
|
||||
}
|
||||
|
||||
#if (QT_VERSION >= QT_VERSION_CHECK(4, 7, 0))
|
||||
lcTrackTool OverrideTool = LC_TRACKTOOL_NONE;
|
||||
|
||||
if (OverrideTool != LC_TRACKTOOL_NONE)
|
||||
{
|
||||
mTrackTool = OverrideTool;
|
||||
OnUpdateCursor();
|
||||
}
|
||||
#endif
|
||||
OnButtonDown(lcTrackButton::Middle);
|
||||
}
|
||||
|
||||
void lcPreviewWidget::OnMiddleButtonUp()
|
||||
{
|
||||
StopTracking(mTrackButton == lcTrackButton::Middle);
|
||||
}
|
||||
|
||||
void lcPreviewWidget::OnLeftButtonDoubleClick()
|
||||
{
|
||||
ZoomExtents();
|
||||
Redraw();
|
||||
}
|
||||
|
||||
void lcPreviewWidget::OnRightButtonDown()
|
||||
{
|
||||
if (mTrackButton != lcTrackButton::None)
|
||||
{
|
||||
StopTracking(false);
|
||||
return;
|
||||
}
|
||||
|
||||
lcTrackTool OverrideTool = LC_TRACKTOOL_PAN;
|
||||
|
||||
if (OverrideTool != LC_TRACKTOOL_NONE)
|
||||
{
|
||||
mTrackTool = OverrideTool;
|
||||
OnUpdateCursor();
|
||||
}
|
||||
|
||||
OnButtonDown(lcTrackButton::Middle);
|
||||
}
|
||||
|
||||
void lcPreviewWidget::OnRightButtonUp()
|
||||
{
|
||||
if (mTrackButton != lcTrackButton::None)
|
||||
StopTracking(mTrackButton == lcTrackButton::Right);
|
||||
}
|
||||
|
||||
void lcPreviewWidget::OnMouseMove()
|
||||
{
|
||||
lcModel* ActiveModel = GetActiveModel();
|
||||
|
||||
if (!ActiveModel)
|
||||
return;
|
||||
|
||||
if (mTrackButton == lcTrackButton::None)
|
||||
{
|
||||
if (mViewSphere.OnMouseMove())
|
||||
{
|
||||
lcTrackTool NewTrackTool = mViewSphere.IsDragging() ? LC_TRACKTOOL_ORBIT_XY : LC_TRACKTOOL_NONE;
|
||||
|
||||
if (NewTrackTool != mTrackTool)
|
||||
{
|
||||
mTrackTool = NewTrackTool;
|
||||
OnUpdateCursor();
|
||||
}
|
||||
|
||||
return;
|
||||
}
|
||||
|
||||
return;
|
||||
}
|
||||
|
||||
mTrackUpdated = true;
|
||||
const float MouseSensitivity = 0.5f / (21.0f - lcGetPreferences().mMouseSensitivity);
|
||||
|
||||
switch (mTrackTool)
|
||||
{
|
||||
case LC_TRACKTOOL_NONE:
|
||||
break;
|
||||
|
||||
case LC_TRACKTOOL_PAN:
|
||||
{
|
||||
lcVector3 Points[4] =
|
||||
{
|
||||
lcVector3((float)mInputState.x, (float)mInputState.y, 0.0f),
|
||||
lcVector3((float)mInputState.x, (float)mInputState.y, 1.0f),
|
||||
lcVector3(mMouseDownX, mMouseDownY, 0.0f),
|
||||
lcVector3(mMouseDownX, mMouseDownY, 1.0f)
|
||||
};
|
||||
|
||||
UnprojectPoints(Points, 4);
|
||||
|
||||
const lcVector3& CurrentStart = Points[0];
|
||||
const lcVector3& CurrentEnd = Points[1];
|
||||
const lcVector3& MouseDownStart = Points[2];
|
||||
const lcVector3& MouseDownEnd = Points[3];
|
||||
lcVector3 Center = ActiveModel->GetSelectionOrModelCenter();
|
||||
|
||||
lcVector3 PlaneNormal(mCamera->mPosition - mCamera->mTargetPosition);
|
||||
lcVector4 Plane(PlaneNormal, -lcDot(PlaneNormal, Center));
|
||||
lcVector3 Intersection, MoveStart;
|
||||
|
||||
if (!lcLineSegmentPlaneIntersection(&Intersection, CurrentStart, CurrentEnd, Plane) || !lcLineSegmentPlaneIntersection(&MoveStart, MouseDownStart, MouseDownEnd, Plane))
|
||||
{
|
||||
Center = MouseDownStart + lcNormalize(MouseDownEnd - MouseDownStart) * 10.0f;
|
||||
Plane = lcVector4(PlaneNormal, -lcDot(PlaneNormal, Center));
|
||||
|
||||
if (!lcLineSegmentPlaneIntersection(&Intersection, CurrentStart, CurrentEnd, Plane) || !lcLineSegmentPlaneIntersection(&MoveStart, MouseDownStart, MouseDownEnd, Plane))
|
||||
break;
|
||||
}
|
||||
|
||||
ActiveModel->UpdatePanTool(mCamera, MoveStart - Intersection);
|
||||
Redraw();
|
||||
}
|
||||
break;
|
||||
|
||||
case LC_TRACKTOOL_ORBIT_XY:
|
||||
ActiveModel->UpdateOrbitTool(mCamera, 0.1f * MouseSensitivity * (mInputState.x - mMouseDownX), 0.1f * MouseSensitivity * (mInputState.y - mMouseDownY));
|
||||
Redraw();
|
||||
break;
|
||||
|
||||
case LC_TRACKTOOL_COUNT:
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
void lcPreviewWidget::OnMouseWheel(float Direction)
|
||||
{
|
||||
mModel->Zoom(mCamera, (int)(((mInputState.Modifiers & Qt::ControlModifier) ? 100 : 10) * Direction));
|
||||
Redraw();
|
||||
}
|
||||
Reference in New Issue
Block a user