Add wrap button to enable use controlled convex hull generation for part.

This feature could be useful to generate complex mesh as part.

docs/shortcuts.rst

@@ -66,6 +66,8 @@ Keyboard
 +----------------------+--------------------------------------------------------------------------+
 | U                    | Toggle Part End Roundable                                                |
 +----------------------+--------------------------------------------------------------------------+
+| W                    | Toggle Part Wrap Status: (W)rap using Convex hull/Normal                 |
++----------------------+--------------------------------------------------------------------------+
 | TAB                  | Swith the Selected Nodes to Different Profile (Main / Side)              |
 +----------------------+--------------------------------------------------------------------------+
 

src/meshgenerator.cpp

@@ -196,6 +196,7 @@ void *MeshGenerator::combinePartMesh(QString partId)
     bool isDisabled = isTrueValueString(valueOfKeyInMapOrEmpty(part, "disabled"));
     bool xMirrored = isTrueValueString(valueOfKeyInMapOrEmpty(part, "xMirrored"));
     bool subdived = isTrueValueString(valueOfKeyInMapOrEmpty(part, "subdived"));
+    bool wrapped = isTrueValueString(valueOfKeyInMapOrEmpty(part, "wrapped"));
     int bmeshId = meshlite_bmesh_create(m_meshliteContext);
     if (subdived)
         meshlite_bmesh_set_cut_subdiv_count(m_meshliteContext, bmeshId, 1);
@@ -288,14 +289,21 @@ void *MeshGenerator::combinePartMesh(QString partId)
     if (!bmeshToNodeIdMap.empty()) {
         meshId = meshlite_bmesh_generate_mesh(m_meshliteContext, bmeshId);
         loadVertexSources(m_meshliteContext, meshId, partIdNotAsString, bmeshToNodeIdMap, cacheBmeshVertices);
-        resultMesh = convertToCombinableMesh(m_meshliteContext, meshlite_triangulate(m_meshliteContext, meshId));
+        if (wrapped)
+            resultMesh = convertToCombinableConvexHullMesh(m_meshliteContext, meshId);
+        else
+            resultMesh = convertToCombinableMesh(m_meshliteContext, meshlite_triangulate(m_meshliteContext, meshId));
     }
     
     if (nullptr != resultMesh) {
         if (xMirrored) {
             int xMirroredMeshId = meshlite_mirror_in_x(m_meshliteContext, meshId, 0);
             loadVertexSources(m_meshliteContext, xMirroredMeshId, mirroredPartIdNotAsString, bmeshToNodeIdMap, cacheBmeshVertices);
-            void *mirroredMesh = convertToCombinableMesh(m_meshliteContext, meshlite_triangulate(m_meshliteContext, xMirroredMeshId));
+            void *mirroredMesh = nullptr;
+            if (wrapped)
+                mirroredMesh = convertToCombinableConvexHullMesh(m_meshliteContext, xMirroredMeshId);
+            else
+                mirroredMesh = convertToCombinableMesh(m_meshliteContext, meshlite_triangulate(m_meshliteContext, xMirroredMeshId));
             if (nullptr != mirroredMesh) {
                 void *newResultMesh = unionCombinableMeshs(resultMesh, mirroredMesh);
                 deleteCombinableMesh(mirroredMesh);

src/meshutil.cpp

@@ -23,6 +23,7 @@
 #include <CGAL/Polygon_mesh_processing/remesh.h>
 #include <CGAL/subdivision_method_3.h>
 #include <CGAL/Simple_cartesian.h>
+#include <CGAL/convex_hull_3.h>
 
 typedef CGAL::Exact_predicates_exact_constructions_kernel ExactKernel;
 typedef CGAL::Simple_cartesian<double> SimpleKernel;
@@ -132,6 +133,34 @@ int makeMeshliteMeshFromCgal(void *meshlite, typename CGAL::Surface_mesh<typenam
     return meshId;
 }
 
+template <class Kernel>
+ExactMesh *makeCgalConvexHullMeshFromMeshlite(void *meshlite, int meshId)
+{
+    typename CGAL::Surface_mesh<typename Kernel::Point_3> *mesh = new typename CGAL::Surface_mesh<typename Kernel::Point_3>;
+    int vertexCount = meshlite_get_vertex_count(meshlite, meshId);
+    float *vertexPositions = new float[vertexCount * 3];
+    int vertexArrayLen = meshlite_get_vertex_position_array(meshlite, meshId, vertexPositions, vertexCount * 3);
+    int offset = 0;
+    assert(vertexArrayLen == vertexCount * 3);
+    std::vector<typename Kernel::Point_3> points;
+    for (int i = 0; i < vertexCount; i++) {
+        float x = vertexPositions[offset + 0];
+        float y = vertexPositions[offset + 1];
+        float z = vertexPositions[offset + 2];
+        if (std::isnan(x) || std::isinf(x))
+            x = 0;
+        if (std::isnan(y) || std::isinf(y))
+            y = 0;
+        if (std::isnan(z) || std::isinf(z))
+            z = 0;
+        points.push_back(typename Kernel::Point_3(x, y, z));
+        offset += 3;
+    }
+    delete[] vertexPositions;
+    CGAL::convex_hull_3(points.begin(), points.end(), *mesh);
+    return mesh;
+}
+
 ExactMesh *unionCgalMeshs(ExactMesh *first, ExactMesh *second)
 {
     ExactMesh *mesh = new ExactMesh;
@@ -315,3 +344,8 @@ void *cloneCombinableMesh(void *mesh)
     return (void *)new ExactMesh(*(ExactMesh *)mesh);
 }
 
+void *convertToCombinableConvexHullMesh(void *meshliteContext, int meshId)
+{
+    ExactMesh *mesh = makeCgalConvexHullMeshFromMeshlite<ExactKernel>(meshliteContext, meshId);
+    return (void *)mesh;
+}

src/meshutil.h

@@ -15,5 +15,6 @@ void *diffCombinableMeshs(void *first, void *second);
 int convertFromCombinableMesh(void *meshliteContext, void *mesh);
 void deleteCombinableMesh(void *mesh);
 void *cloneCombinableMesh(void *mesh);
+void *convertToCombinableConvexHullMesh(void *meshliteContext, int meshId);
 
 #endif

src/skeletondocument.cpp

@@ -661,6 +661,7 @@ void SkeletonDocument::toSnapshot(SkeletonSnapshot *snapshot, const std::set<QUu
         part["xMirrored"] = partIt.second.xMirrored ? "true" : "false";
         part["zMirrored"] = partIt.second.zMirrored ? "true" : "false";
         part["rounded"] = partIt.second.rounded ? "true" : "false";
+        part["wrapped"] = partIt.second.wrapped ? "true" : "false";
         part["dirty"] = partIt.second.dirty ? "true" : "false";
         if (partIt.second.hasColor)
             part["color"] = partIt.second.color.name();
@@ -777,6 +778,7 @@ void SkeletonDocument::addFromSnapshot(const SkeletonSnapshot &snapshot)
         part.xMirrored = isTrueValueString(valueOfKeyInMapOrEmpty(partKv.second, "xMirrored"));
         part.zMirrored = isTrueValueString(valueOfKeyInMapOrEmpty(partKv.second, "zMirrored"));
         part.rounded = isTrueValueString(valueOfKeyInMapOrEmpty(partKv.second, "rounded"));
+        part.wrapped = isTrueValueString(valueOfKeyInMapOrEmpty(partKv.second, "wrapped"));
         if (isTrueValueString(valueOfKeyInMapOrEmpty(partKv.second, "inverse")))
             inversePartIds.insert(part.id);
         const auto &colorIt = partKv.second.find("color");
@@ -1733,6 +1735,21 @@ void SkeletonDocument::setPartRoundState(QUuid partId, bool rounded)
     emit skeletonChanged();
 }
 
+void SkeletonDocument::setPartWrapState(QUuid partId, bool wrapped)
+{
+    auto part = partMap.find(partId);
+    if (part == partMap.end()) {
+        qDebug() << "Part not found:" << partId;
+        return;
+    }
+    if (part->second.wrapped == wrapped)
+        return;
+    part->second.wrapped = wrapped;
+    part->second.dirty = true;
+    emit partWrapStateChanged(partId);
+    emit skeletonChanged();
+}
+
 void SkeletonDocument::setPartColorState(QUuid partId, bool hasColor, QColor color)
 {
     auto part = partMap.find(partId);

src/skeletondocument.h

@@ -87,6 +87,7 @@ public:
     QUuid componentId;
     std::vector<QUuid> nodeIds;
     bool dirty;
+    bool wrapped;
     SkeletonPart(const QUuid &withId=QUuid()) :
         visible(true),
         locked(false),
@@ -99,7 +100,8 @@ public:
         rounded(false),
         color(Theme::white),
         hasColor(false),
-        dirty(true)
+        dirty(true),
+        wrapped(false)
     {
         id = withId.isNull() ? QUuid::createUuid() : withId;
     }
@@ -148,6 +150,7 @@ public:
         rounded = other.rounded;
         color = other.color;
         hasColor = other.hasColor;
+        wrapped = other.wrapped;
         componentId = other.componentId;
     }
 };
@@ -328,6 +331,7 @@ signals:
     void partDeformWidthChanged(QUuid partId);
     void partRoundStateChanged(QUuid partId);
     void partColorStateChanged(QUuid partId);
+    void partWrapStateChanged(QUuid partId);
     void componentInverseStateChanged(QUuid partId);
     void cleanup();
     void originChanged();
@@ -425,6 +429,7 @@ public slots:
     void setPartDeformWidth(QUuid partId, float width);
     void setPartRoundState(QUuid partId, bool rounded);
     void setPartColorState(QUuid partId, bool hasColor, QColor color);
+    void setPartWrapState(QUuid partId, bool wrapped);
     void setComponentInverseState(QUuid componentId, bool inverse);
     void moveComponentUp(QUuid componentId);
     void moveComponentDown(QUuid componentId);

src/skeletondocumentwindow.cpp

@@ -547,6 +547,7 @@ SkeletonDocumentWindow::SkeletonDocumentWindow() :
     connect(graphicsWidget, &SkeletonGraphicsWidget::setPartDisableState, m_document, &SkeletonDocument::setPartDisableState);
     connect(graphicsWidget, &SkeletonGraphicsWidget::setPartXmirrorState, m_document, &SkeletonDocument::setPartXmirrorState);
     connect(graphicsWidget, &SkeletonGraphicsWidget::setPartRoundState, m_document, &SkeletonDocument::setPartRoundState);
+    connect(graphicsWidget, &SkeletonGraphicsWidget::setPartWrapState, m_document, &SkeletonDocument::setPartWrapState);
 
     connect(graphicsWidget, &SkeletonGraphicsWidget::setXlockState, m_document, &SkeletonDocument::setXlockState);
     connect(graphicsWidget, &SkeletonGraphicsWidget::setYlockState, m_document, &SkeletonDocument::setYlockState);
@@ -614,6 +615,7 @@ SkeletonDocumentWindow::SkeletonDocumentWindow() :
     connect(m_document, &SkeletonDocument::partDeformThicknessChanged, partTreeWidget, &SkeletonPartTreeWidget::partDeformChanged);
     connect(m_document, &SkeletonDocument::partDeformWidthChanged, partTreeWidget, &SkeletonPartTreeWidget::partDeformChanged);
     connect(m_document, &SkeletonDocument::partRoundStateChanged, partTreeWidget, &SkeletonPartTreeWidget::partRoundStateChanged);
+    connect(m_document, &SkeletonDocument::partWrapStateChanged, partTreeWidget, &SkeletonPartTreeWidget::partWrapStateChanged);
     connect(m_document, &SkeletonDocument::partColorStateChanged, partTreeWidget, &SkeletonPartTreeWidget::partColorStateChanged);
     connect(m_document, &SkeletonDocument::partRemoved, partTreeWidget, &SkeletonPartTreeWidget::partRemoved);
     connect(m_document, &SkeletonDocument::cleanup, partTreeWidget, &SkeletonPartTreeWidget::removeAllContent);

src/skeletongraphicswidget.cpp

@@ -1502,6 +1502,14 @@ bool SkeletonGraphicsWidget::keyPress(QKeyEvent *event)
             emit groupOperationAdded();
             return true;
         }
+    } else if (event->key() == Qt::Key_W) {
+        if (SkeletonDocumentEditMode::Select == m_document->editMode && !m_lastCheckedPart.isNull()) {
+            const SkeletonPart *part = m_document->findPart(m_lastCheckedPart);
+            bool partWrapped = part && part->wrapped;
+            emit setPartWrapState(m_lastCheckedPart, !partWrapped);
+            emit groupOperationAdded();
+            return true;
+        }
     }
     return false;
 }

src/skeletongraphicswidget.h

@@ -379,6 +379,7 @@ signals:
     void setPartDisableState(QUuid partId, bool disabled);
     void setPartXmirrorState(QUuid partId, bool mirrored);
     void setPartRoundState(QUuid partId, bool rounded);
+    void setPartWrapState(QUuid partId, bool wrapped);
     void setXlockState(bool locked);
     void setYlockState(bool locked);
     void setZlockState(bool locked);

src/skeletonparttreewidget.cpp

@@ -561,6 +561,17 @@ void SkeletonPartTreeWidget::partRoundStateChanged(QUuid partId)
     widget->updateRoundButton();
 }
 
+void SkeletonPartTreeWidget::partWrapStateChanged(QUuid partId)
+{
+    auto item = m_partItemMap.find(partId);
+    if (item == m_partItemMap.end()) {
+        qDebug() << "Part item not found:" << partId;
+        return;
+    }
+    SkeletonPartWidget *widget = (SkeletonPartWidget *)itemWidget(item->second, 0);
+    widget->updateWrapButton();
+}
+
 void SkeletonPartTreeWidget::partColorStateChanged(QUuid partId)
 {
     auto item = m_partItemMap.find(partId);

src/skeletonparttreewidget.h

@@ -53,6 +53,7 @@ public slots:
     void partXmirrorStateChanged(QUuid partId);
     void partDeformChanged(QUuid partId);
     void partRoundStateChanged(QUuid partId);
+    void partWrapStateChanged(QUuid partId);
     void partColorStateChanged(QUuid partId);
     void partChecked(QUuid partId);
     void partUnchecked(QUuid partId);

src/skeletonpartwidget.cpp

@@ -48,6 +48,10 @@ SkeletonPartWidget::SkeletonPartWidget(const SkeletonDocument *document, QUuid p
     m_colorButton->setSizePolicy(retainSizePolicy);
     initButton(m_colorButton);
     
+    m_wrapButton = new QPushButton;
+    m_wrapButton->setSizePolicy(retainSizePolicy);
+    initButton(m_wrapButton);
+    
     m_previewLabel = new QLabel;
     m_previewLabel->setFixedSize(Theme::previewImageSize, Theme::previewImageSize);
     
@@ -68,9 +72,9 @@ SkeletonPartWidget::SkeletonPartWidget(const SkeletonDocument *document, QUuid p
     toolsLayout->setContentsMargins(0, 0, 5, 0);
     int row = 0;
     int col = 0;
-    toolsLayout->addWidget(m_visibleButton, row, col++, Qt::AlignBottom);
     toolsLayout->addWidget(m_lockButton, row, col++, Qt::AlignBottom);
     toolsLayout->addWidget(m_disableButton, row, col++, Qt::AlignBottom);
+    toolsLayout->addWidget(m_wrapButton, row, col++, Qt::AlignBottom);
     toolsLayout->addWidget(m_colorButton, row, col++, Qt::AlignBottom);
     row++;
     col = 0;
@@ -79,17 +83,21 @@ SkeletonPartWidget::SkeletonPartWidget(const SkeletonDocument *document, QUuid p
     toolsLayout->addWidget(m_xMirrorButton, row, col++, Qt::AlignTop);
     toolsLayout->addWidget(m_roundButton, row, col++, Qt::AlignTop);
     
+    m_visibleButton->setContentsMargins(0, 0, 0, 0);
+    
     QHBoxLayout *previewAndToolsLayout = new QHBoxLayout;
     previewAndToolsLayout->setSpacing(0);
     previewAndToolsLayout->setContentsMargins(0, 0, 0, 0);
+    previewAndToolsLayout->addWidget(m_visibleButton);
     previewAndToolsLayout->addWidget(m_previewLabel);
     previewAndToolsLayout->addLayout(toolsLayout);
     previewAndToolsLayout->setStretch(0, 0);
     previewAndToolsLayout->setStretch(1, 0);
+    previewAndToolsLayout->setStretch(2, 1);
     
     QWidget *backgroundWidget = new QWidget;
     backgroundWidget->setSizePolicy(QSizePolicy::Minimum, QSizePolicy::Minimum);
-    backgroundWidget->setFixedSize(Theme::previewImageSize + Theme::miniIconSize * 4 + 5, Theme::previewImageSize);
+    backgroundWidget->setFixedSize(preferredSize().width(), Theme::previewImageSize);
     backgroundWidget->setObjectName("background");
     m_backgroundWidget = backgroundWidget;
     backgroundWidget->setLayout(previewAndToolsLayout);
@@ -119,6 +127,7 @@ SkeletonPartWidget::SkeletonPartWidget(const SkeletonDocument *document, QUuid p
     connect(this, &SkeletonPartWidget::setPartDeformThickness, m_document, &SkeletonDocument::setPartDeformThickness);
     connect(this, &SkeletonPartWidget::setPartDeformWidth, m_document, &SkeletonDocument::setPartDeformWidth);
     connect(this, &SkeletonPartWidget::setPartRoundState, m_document, &SkeletonDocument::setPartRoundState);
+    connect(this, &SkeletonPartWidget::setPartWrapState, m_document, &SkeletonDocument::setPartWrapState);
     connect(this, &SkeletonPartWidget::setPartColorState, m_document, &SkeletonDocument::setPartColorState);
     connect(this, &SkeletonPartWidget::checkPart, m_document, &SkeletonDocument::checkPart);
     connect(this, &SkeletonPartWidget::enableBackgroundBlur, m_document, &SkeletonDocument::enableBackgroundBlur);
@@ -202,6 +211,16 @@ SkeletonPartWidget::SkeletonPartWidget(const SkeletonDocument *document, QUuid p
         showColorSettingPopup(mapFromGlobal(QCursor::pos()));
     });
     
+    connect(m_wrapButton, &QPushButton::clicked, [=]() {
+        const SkeletonPart *part = m_document->findPart(m_partId);
+        if (!part) {
+            qDebug() << "Part not found:" << m_partId;
+            return;
+        }
+        emit setPartWrapState(m_partId, !part->wrapped);
+        emit groupOperationAdded();
+    });
+    
     setSizePolicy(QSizePolicy::Minimum, QSizePolicy::Minimum);
     setFixedSize(preferredSize());
     
@@ -210,7 +229,7 @@ SkeletonPartWidget::SkeletonPartWidget(const SkeletonDocument *document, QUuid p
 
 QSize SkeletonPartWidget::preferredSize()
 {
-    return QSize(Theme::previewImageSize + Theme::miniIconSize * 4 + 5 + 2, Theme::previewImageSize + 6);
+    return QSize(Theme::miniIconSize + Theme::previewImageSize + Theme::miniIconSize * 4 + 5 + 2, Theme::previewImageSize + 6);
 }
 
 void SkeletonPartWidget::updateAllButtons()
@@ -223,6 +242,7 @@ void SkeletonPartWidget::updateAllButtons()
     updateDeformButton();
     updateRoundButton();
     updateColorButton();
+    updateWrapButton();
 }
 
 void SkeletonPartWidget::updateCheckedState(bool checked)
@@ -505,15 +525,21 @@ void SkeletonPartWidget::updateColorButton()
         updateButton(m_colorButton, QChar(fa::eyedropper), false);
 }
 
+void SkeletonPartWidget::updateWrapButton()
+{
+    const SkeletonPart *part = m_document->findPart(m_partId);
+    if (!part) {
+        qDebug() << "Part not found:" << m_partId;
+        return;
+    }
+    if (part->wrapped)
+        updateButton(m_wrapButton, QChar(fa::cube), true);
+    else
+        updateButton(m_wrapButton, QChar(fa::cube), false);
+}
+
 void SkeletonPartWidget::reload()
 {
     updatePreview();
-    updateLockButton();
-    updateVisibleButton();
-    updateSubdivButton();
-    updateDisableButton();
-    updateXmirrorButton();
-    updateDeformButton();
-    updateRoundButton();
-    updateColorButton();
+    updateAllButtons();
 }

src/skeletonpartwidget.h

@@ -19,7 +19,7 @@ signals:
     void setPartDeformWidth(QUuid partId, float width);
     void setPartRoundState(QUuid partId, bool rounded);
     void setPartColorState(QUuid partId, bool hasColor, QColor color);
-    void setPartInverseState(QUuid partId, bool inverse);
+    void setPartWrapState(QUuid partId, bool wrapped);
     void movePartUp(QUuid partId);
     void movePartDown(QUuid partId);
     void movePartToTop(QUuid partId);
@@ -41,6 +41,7 @@ public:
     void updateDeformButton();
     void updateRoundButton();
     void updateColorButton();
+    void updateWrapButton();
     void updateCheckedState(bool checked);
     static QSize preferredSize();
 protected:
@@ -62,6 +63,7 @@ private:
     QPushButton *m_deformButton;
     QPushButton *m_roundButton;
     QPushButton *m_colorButton;
+    QPushButton *m_wrapButton;
     QLabel *m_nameLabel;
     QWidget *m_backgroundWidget;
 private: