From eb91a8a16c7e4f87ab43a7f3496a4acd83380d6e Mon Sep 17 00:00:00 2001
From: Jeremy Hu <huxingyi@msn.com>
Date: Sun, 7 Jul 2019 15:57:58 +0930
Subject: [PATCH] Prepare for cut face offset modifier

---
 src/cutface.cpp                          | 18 ++++-
 src/cutface.h                            |  3 +-
 src/document.cpp                         | 44 ++++++++++++
 src/document.h                           |  3 +
 src/meshgenerator.cpp                    | 29 +++++---
 src/meshgenerator.h                      |  4 +-
 src/meshloader.cpp                       | 17 +++++
 src/meshloader.h                         |  2 +
 src/modelmeshbinder.cpp                  | 63 +++++++++++++----
 src/modelmeshbinder.h                    | 34 +++++----
 src/modelwidget.cpp                      |  1 +
 src/modelwidget.h                        |  1 +
 src/toolmesh.cpp                         | 89 ++++++++++++++++++++++--
 src/toolmesh.h                           | 15 ++--
 thirdparty/nodemesh/nodemesh/builder.cpp |  2 +
 thirdparty/nodemesh/nodemesh/builder.h   |  2 +
 16 files changed, 275 insertions(+), 52 deletions(-)

diff --git a/src/cutface.cpp b/src/cutface.cpp
index a17a394a..e7d93118 100644
--- a/src/cutface.cpp
+++ b/src/cutface.cpp
@@ -72,7 +72,8 @@ void normalizeCutFacePoints(std::vector<QVector2D> *points)
     correctFlippedNormal(points);
 }
 
-void cutFacePointsFromNodes(std::vector<QVector2D> &points, const std::vector<std::tuple<float, float, float>> &nodes, bool isRing)
+void cutFacePointsFromNodes(std::vector<QVector2D> &points, const std::vector<std::tuple<float, float, float, QString>> &nodes, bool isRing,
+    std::vector<QString> *pointsIds)
 {
     if (isRing) {
         if (nodes.size() < 3)
@@ -80,6 +81,11 @@ void cutFacePointsFromNodes(std::vector<QVector2D> &points, const std::vector<st
         for (const auto &it: nodes) {
             points.push_back(QVector2D(std::get<1>(it), std::get<2>(it)));
         }
+        if (nullptr != pointsIds) {
+            for (const auto &it: nodes) {
+                pointsIds->push_back(std::get<3>(it));
+            }
+        }
         normalizeCutFacePoints(&points);
         return;
     }
@@ -117,8 +123,18 @@ void cutFacePointsFromNodes(std::vector<QVector2D> &points, const std::vector<st
     for (const auto &it: cutPoints) {
         points.push_back(it.first);
     }
+    if (nullptr != pointsIds) {
+        for (const auto &it: nodes) {
+            pointsIds->push_back(std::get<3>(it) + QString("/1"));
+        }
+    }
     for (auto it = cutPoints.rbegin(); it != cutPoints.rend(); ++it) {
         points.push_back(it->second);
     }
+    if (nullptr != pointsIds) {
+        for (auto it = nodes.rbegin(); it != nodes.rend(); ++it) {
+            pointsIds->push_back(std::get<3>(*it) + QString("/2"));
+        }
+    }
     normalizeCutFacePoints(&points);
 }
diff --git a/src/cutface.h b/src/cutface.h
index 03854fbd..e87d2a0a 100644
--- a/src/cutface.h
+++ b/src/cutface.h
@@ -97,6 +97,7 @@ std::vector<QVector2D> CutFaceToPoints(CutFace cutFace)                     \
 }
 
 void normalizeCutFacePoints(std::vector<QVector2D> *points);
-void cutFacePointsFromNodes(std::vector<QVector2D> &points, const std::vector<std::tuple<float, float, float>> &nodes, bool isRing=false);
+void cutFacePointsFromNodes(std::vector<QVector2D> &points, const std::vector<std::tuple<float, float, float, QString>> &nodes, bool isRing=false,
+    std::vector<QString> *pointsIds=nullptr);
 
 #endif
diff --git a/src/document.cpp b/src/document.cpp
index 5e9eb8ec..612eccca 100644
--- a/src/document.cpp
+++ b/src/document.cpp
@@ -35,6 +35,8 @@ Document::Document() :
     m_isResultMeshObsolete(false),
     m_meshGenerator(nullptr),
     m_resultMesh(nullptr),
+    m_resultMeshCutFaceTransforms(nullptr),
+    m_resultMeshNodesCutFaces(nullptr),
     m_isMeshGenerationSucceed(true),
     m_batchChangeRefCount(0),
     m_currentOutcome(nullptr),
@@ -80,6 +82,8 @@ void Document::applyPreferenceFlatShadingChange()
 Document::~Document()
 {
     delete m_resultMesh;
+    delete m_resultMeshCutFaceTransforms;
+    delete m_resultMeshNodesCutFaces;
     delete m_postProcessedOutcome;
     delete textureGuideImage;
     delete textureImage;
@@ -1516,6 +1520,14 @@ void Document::meshReady()
     delete m_resultMesh;
     m_resultMesh = resultMesh;
     
+    delete m_resultMeshCutFaceTransforms;
+    m_resultMeshCutFaceTransforms = m_meshGenerator->takeCutFaceTransforms();
+    
+    delete m_resultMeshNodesCutFaces;
+    m_resultMeshNodesCutFaces = m_meshGenerator->takeNodesCutFaces();
+    
+    //addToolToMesh(m_resultMesh);
+    
     m_isMeshGenerationSucceed = isSucceed;
     
     delete m_currentOutcome;
@@ -1540,6 +1552,36 @@ void Document::meshReady()
     }
 }
 
+//void Document::addToolToMesh(MeshLoader *mesh)
+//{
+//    if (nullptr == mesh)
+//        return;
+//
+//    if (nullptr == m_resultMeshCutFaceTransforms ||
+//            nullptr == m_resultMeshNodesCutFaces ||
+//            m_resultMeshCutFaceTransforms->empty() ||
+//            m_resultMeshNodesCutFaces->empty())
+//        return;
+//
+//    ToolMesh toolMesh;
+//    for (const auto &transformIt: *m_resultMeshCutFaceTransforms) {
+//        const auto &nodeId = transformIt.first;
+//        const auto &transform = transformIt.second;
+//        qDebug() << "nodeId:" << nodeId;
+//        for (const auto &cutFaceIt: (*m_resultMeshNodesCutFaces)[nodeId]) {
+//            const auto &cutFaceId = cutFaceIt.first;
+//            const auto &cutFace2d = cutFaceIt.second;
+//            QVector3D position = transform.translation + transform.rotation * (transform.uFactor * cutFace2d.x() + transform.vFactor * cutFace2d.y());
+//            qDebug() << "cutFaceId:" << cutFaceId;
+//            toolMesh.addNode(nodeId.toString() + cutFaceId, position);
+//        }
+//    }
+//    toolMesh.generate();
+//    int shaderVertexCount = 0;
+//    ShaderVertex *shaderVertices = toolMesh.takeShaderVertices(&shaderVertexCount);
+//    mesh->updateTool(shaderVertices, shaderVertexCount);
+//}
+
 bool Document::isPostProcessResultObsolete() const
 {
     return m_isPostProcessResultObsolete;
@@ -1668,6 +1710,8 @@ void Document::textureReady()
     delete m_resultTextureMesh;
     m_resultTextureMesh = m_textureGenerator->takeResultMesh();
     
+    //addToolToMesh(m_resultTextureMesh);
+    
     m_textureImageUpdateVersion++;
     
     delete m_textureGenerator;
diff --git a/src/document.h b/src/document.h
index 03d08ed0..3cdeffd8 100644
--- a/src/document.h
+++ b/src/document.h
@@ -651,10 +651,13 @@ private:
     void markAllDirty();
     void removeRigResults();
     void updateLinkedPart(QUuid oldPartId, QUuid newPartId);
+    //void addToolToMesh(MeshLoader *mesh);
 private: // need initialize
     bool m_isResultMeshObsolete;
     MeshGenerator *m_meshGenerator;
     MeshLoader *m_resultMesh;
+    std::map<QUuid, nodemesh::Builder::CutFaceTransform> *m_resultMeshCutFaceTransforms;
+    std::map<QUuid, std::map<QString, QVector2D>> *m_resultMeshNodesCutFaces;
     bool m_isMeshGenerationSucceed;
     int m_batchChangeRefCount;
     Outcome *m_currentOutcome;
diff --git a/src/meshgenerator.cpp b/src/meshgenerator.cpp
index b360593f..9548da91 100644
--- a/src/meshgenerator.cpp
+++ b/src/meshgenerator.cpp
@@ -69,7 +69,7 @@ std::map<QUuid, nodemesh::Builder::CutFaceTransform> *MeshGenerator::takeCutFace
     return cutFaceTransforms;
 }
 
-std::map<QUuid, std::map<QString, std::tuple<float, float, float>>> *MeshGenerator::takeNodesCutFaces()
+std::map<QUuid, std::map<QString, QVector2D>> *MeshGenerator::takeNodesCutFaces()
 {
     auto nodesCutFaces = m_nodesCutFaces;
     m_nodesCutFaces = nullptr;
@@ -190,11 +190,12 @@ nodemesh::Combiner::Mesh *MeshGenerator::combinePartMesh(const QString &partIdSt
     auto target = PartTargetFromString(valueOfKeyInMapOrEmpty(part, "target").toUtf8().constData());
     auto base = PartBaseFromString(valueOfKeyInMapOrEmpty(part, "base").toUtf8().constData());
     
-    std::map<QString, std::tuple<float, float, float>> cutFaceNodeMap;
+    std::map<QString, QVector2D> cutTemplateMapByName;
     std::vector<QVector2D> cutTemplate;
     QString cutFaceString = valueOfKeyInMapOrEmpty(part, "cutFace");
     QUuid cutFaceLinkedPartId = QUuid(cutFaceString);
     if (!cutFaceLinkedPartId.isNull()) {
+        std::map<QString, std::tuple<float, float, float>> cutFaceNodeMap;
         auto findCutFaceLinkedPart = m_snapshot->parts.find(cutFaceString);
         if (findCutFaceLinkedPart == m_snapshot->parts.end()) {
             qDebug() << "Find cut face linked part failed:" << cutFaceString;
@@ -275,7 +276,7 @@ nodemesh::Combiner::Mesh *MeshGenerator::combinePartMesh(const QString &partIdSt
                 endPointNodeIdString = endpointNodes[0].first;
             }
             // Loop all linked nodes
-            std::vector<std::tuple<float, float, float>> cutFaceNodes;
+            std::vector<std::tuple<float, float, float, QString>> cutFaceNodes;
             std::set<QString> cutFaceVisitedNodeIds;
             std::function<void (const QString &)> loopNodeLink;
             loopNodeLink = [&](const QString &fromNodeIdString) {
@@ -285,7 +286,10 @@ nodemesh::Combiner::Mesh *MeshGenerator::combinePartMesh(const QString &partIdSt
                 if (cutFaceVisitedNodeIds.find(fromNodeIdString) != cutFaceVisitedNodeIds.end())
                     return;
                 cutFaceVisitedNodeIds.insert(fromNodeIdString);
-                cutFaceNodes.push_back(findCutFaceNode->second);
+                cutFaceNodes.push_back({std::get<0>(findCutFaceNode->second),
+                    std::get<1>(findCutFaceNode->second),
+                    std::get<2>(findCutFaceNode->second),
+                    fromNodeIdString});
                 auto findNeighbor = cutFaceNodeLinkMap.find(fromNodeIdString);
                 if (findNeighbor == cutFaceNodeLinkMap.end())
                     return;
@@ -300,12 +304,20 @@ nodemesh::Combiner::Mesh *MeshGenerator::combinePartMesh(const QString &partIdSt
                 loopNodeLink(endPointNodeIdString);
             }
             // Fetch points from linked nodes
-            cutFacePointsFromNodes(cutTemplate, cutFaceNodes, isRing);
+            std::vector<QString> cutTemplateNames;
+            cutFacePointsFromNodes(cutTemplate, cutFaceNodes, isRing, &cutTemplateNames);
+            for (size_t i = 0; i < cutTemplateNames.size(); ++i) {
+                cutTemplateMapByName.insert({cutTemplateNames[i], cutTemplate[i]});
+            }
         }
     }
     if (cutTemplate.size() < 3) {
         CutFace cutFace = CutFaceFromString(cutFaceString.toUtf8().constData());
         cutTemplate = CutFaceToPoints(cutFace);
+        cutTemplateMapByName.clear();
+        for (size_t i = 0; i < cutTemplate.size(); ++i) {
+            cutTemplateMapByName.insert({cutFaceString + "/" + QString::number(i + 1), cutTemplate[i]});
+        }
     }
     if (chamfered)
         nodemesh::chamferFace2D(&cutTemplate);
@@ -494,10 +506,11 @@ nodemesh::Combiner::Mesh *MeshGenerator::combinePartMesh(const QString &partIdSt
             continue;
         const QString &nodeIdString = nodeIndexToIdStringMap[node.originNodeIndex];
         const nodemesh::Builder::CutFaceTransform *cutFaceTransform = builder->nodeAdjustableCutFaceTransform(builderNodeIndices[i]);
-        if (nullptr != cutFaceTransform) {
+        if (nullptr != cutFaceTransform &&
+                PartTarget::Model == target) {
             QUuid nodeId = QUuid(nodeIdString);
             m_cutFaceTransforms->insert({nodeId, *cutFaceTransform});
-            m_nodesCutFaces->insert({nodeId, cutFaceNodeMap});
+            m_nodesCutFaces->insert({nodeId, cutTemplateMapByName});
         }
     }
     
@@ -993,7 +1006,7 @@ void MeshGenerator::generate()
     
     m_outcome = new Outcome;
     m_cutFaceTransforms = new std::map<QUuid, nodemesh::Builder::CutFaceTransform>;
-    m_nodesCutFaces = new std::map<QUuid, std::map<QString, std::tuple<float, float, float>>>;
+    m_nodesCutFaces = new std::map<QUuid, std::map<QString, QVector2D>>;
     
     bool needDeleteCacheContext = false;
     if (nullptr == m_cacheContext) {
diff --git a/src/meshgenerator.h b/src/meshgenerator.h
index 7b25a892..89528f69 100644
--- a/src/meshgenerator.h
+++ b/src/meshgenerator.h
@@ -61,7 +61,7 @@ public:
     const std::set<QUuid> &generatedPreviewPartIds();
     Outcome *takeOutcome();
     std::map<QUuid, nodemesh::Builder::CutFaceTransform> *takeCutFaceTransforms();
-    std::map<QUuid, std::map<QString, std::tuple<float, float, float>>> *takeNodesCutFaces();
+    std::map<QUuid, std::map<QString, QVector2D>> *takeNodesCutFaces();
     void generate();
     void setGeneratedCacheContext(GeneratedCacheContext *cacheContext);
     void setSmoothShadingThresholdAngleDegrees(float degrees);
@@ -90,7 +90,7 @@ private:
     bool m_cacheEnabled = false;
     float m_smoothShadingThresholdAngleDegrees = 60;
     std::map<QUuid, nodemesh::Builder::CutFaceTransform> *m_cutFaceTransforms = nullptr;
-    std::map<QUuid, std::map<QString, std::tuple<float, float, float>>> *m_nodesCutFaces = nullptr;
+    std::map<QUuid, std::map<QString, QVector2D>> *m_nodesCutFaces = nullptr;
     
     void collectParts();
     bool checkIsComponentDirty(const QString &componentIdString);
diff --git a/src/meshloader.cpp b/src/meshloader.cpp
index d28561d6..8debbde5 100644
--- a/src/meshloader.cpp
+++ b/src/meshloader.cpp
@@ -31,6 +31,13 @@ MeshLoader::MeshLoader(const MeshLoader &mesh) :
         for (int i = 0; i < mesh.m_edgeVertexCount; i++)
             this->m_edgeVertices[i] = mesh.m_edgeVertices[i];
     }
+    if (nullptr != mesh.m_toolVertices &&
+            mesh.m_toolVertexCount > 0) {
+        this->m_toolVertices = new ShaderVertex[mesh.m_toolVertexCount];
+        this->m_toolVertexCount = mesh.m_toolVertexCount;
+        for (int i = 0; i < mesh.m_toolVertexCount; i++)
+            this->m_toolVertices[i] = mesh.m_toolVertices[i];
+    }
     if (nullptr != mesh.m_textureImage) {
         this->m_textureImage = new QImage(*mesh.m_textureImage);
     }
@@ -332,3 +339,13 @@ void MeshLoader::exportAsObj(const QString &filename)
         exportAsObj(&stream);
     }
 }
+
+void MeshLoader::updateTool(ShaderVertex *toolVertices, int vertexNum)
+{
+    delete[] m_toolVertices;
+    m_toolVertices = nullptr;
+    m_toolVertexCount = 0;
+    
+    m_toolVertices = toolVertices;
+    m_toolVertexCount = vertexNum;
+}
diff --git a/src/meshloader.h b/src/meshloader.h
index 2ab9fee5..3ef9a1a1 100644
--- a/src/meshloader.h
+++ b/src/meshloader.h
@@ -8,6 +8,7 @@
 #include <QTextStream>
 #include "outcome.h"
 #include "shadervertex.h"
+#include "toolmesh.h"
 
 struct TriangulatedFace
 {
@@ -52,6 +53,7 @@ public:
     static float m_defaultRoughness;
     void exportAsObj(const QString &filename);
     void exportAsObj(QTextStream *textStream);
+    void updateTool(ShaderVertex *toolVertices, int vertexNum);
 private:
     ShaderVertex *m_triangleVertices = nullptr;
     int m_triangleVertexCount = 0;
diff --git a/src/modelmeshbinder.cpp b/src/modelmeshbinder.cpp
index 44644da0..f8bbc2cb 100644
--- a/src/modelmeshbinder.cpp
+++ b/src/modelmeshbinder.cpp
@@ -8,21 +8,8 @@
 #include "modelmeshbinder.h"
 #include "ds3file.h"
 
-ModelMeshBinder::ModelMeshBinder() :
-    m_mesh(nullptr),
-    m_newMesh(nullptr),
-    m_renderTriangleVertexCount(0),
-    m_renderEdgeVertexCount(0),
-    m_newMeshComing(false),
-    m_showWireframes(false),
-    m_hasTexture(false),
-    m_texture(nullptr),
-    m_hasNormalMap(false),
-    m_normalMap(nullptr),
-    m_hasMetalnessMap(false),
-    m_hasRoughnessMap(false),
-    m_hasAmbientOcclusionMap(false),
-    m_metalnessRoughnessAmbientOcclusionMap(nullptr)
+ModelMeshBinder::ModelMeshBinder(bool toolEnabled) :
+    m_toolEnabled(toolEnabled)
 {
 }
 
@@ -49,6 +36,8 @@ void ModelMeshBinder::initialize()
 {
     m_vaoTriangle.create();
     m_vaoEdge.create();
+    if (m_toolEnabled)
+        m_vaoTool.create();
 }
 
 void ModelMeshBinder::paint(ModelShaderProgram *program)
@@ -142,9 +131,37 @@ void ModelMeshBinder::paint(ModelShaderProgram *program)
                     f->glVertexAttribPointer(6, 3, GL_FLOAT, GL_FALSE, sizeof(ShaderVertex), reinterpret_cast<void *>(13 * sizeof(GLfloat)));
                     m_vboEdge.release();
                 }
+                if (m_toolEnabled) {
+                    QOpenGLVertexArrayObject::Binder vaoBinder(&m_vaoTool);
+                    if (m_vboTool.isCreated())
+                        m_vboTool.destroy();
+                    m_vboTool.create();
+                    m_vboTool.bind();
+                    m_vboTool.allocate(m_mesh->toolVertices(), m_mesh->toolVertexCount() * sizeof(ShaderVertex));
+                    m_renderToolVertexCount = m_mesh->toolVertexCount();
+                    QOpenGLFunctions *f = QOpenGLContext::currentContext()->functions();
+                    f->glEnableVertexAttribArray(0);
+                    f->glEnableVertexAttribArray(1);
+                    f->glEnableVertexAttribArray(2);
+                    f->glEnableVertexAttribArray(3);
+                    f->glEnableVertexAttribArray(4);
+                    f->glEnableVertexAttribArray(5);
+                    f->glEnableVertexAttribArray(6);
+                    f->glVertexAttribPointer(0, 3, GL_FLOAT, GL_FALSE, sizeof(ShaderVertex), 0);
+                    f->glVertexAttribPointer(1, 3, GL_FLOAT, GL_FALSE, sizeof(ShaderVertex), reinterpret_cast<void *>(3 * sizeof(GLfloat)));
+                    f->glVertexAttribPointer(2, 3, GL_FLOAT, GL_FALSE, sizeof(ShaderVertex), reinterpret_cast<void *>(6 * sizeof(GLfloat)));
+                    f->glVertexAttribPointer(3, 2, GL_FLOAT, GL_FALSE, sizeof(ShaderVertex), reinterpret_cast<void *>(9 * sizeof(GLfloat)));
+                    f->glVertexAttribPointer(4, 1, GL_FLOAT, GL_FALSE, sizeof(ShaderVertex), reinterpret_cast<void *>(11 * sizeof(GLfloat)));
+                    f->glVertexAttribPointer(5, 1, GL_FLOAT, GL_FALSE, sizeof(ShaderVertex), reinterpret_cast<void *>(12 * sizeof(GLfloat)));
+                    f->glVertexAttribPointer(6, 3, GL_FLOAT, GL_FALSE, sizeof(ShaderVertex), reinterpret_cast<void *>(13 * sizeof(GLfloat)));
+                    m_vboTool.release();
+                } else {
+                    m_renderToolVertexCount = 0;
+                }
             } else {
                 m_renderTriangleVertexCount = 0;
                 m_renderEdgeVertexCount = 0;
+                m_renderToolVertexCount = 0;
             }
         }
     }
@@ -190,6 +207,18 @@ void ModelMeshBinder::paint(ModelShaderProgram *program)
         program->setUniformValue(program->ambientOcclusionMapEnabledLoc(), m_hasAmbientOcclusionMap ? 1 : 0);
         f->glDrawArrays(GL_TRIANGLES, 0, m_renderTriangleVertexCount);
     }
+    if (m_toolEnabled) {
+        if (m_renderToolVertexCount > 0) {
+            QOpenGLVertexArrayObject::Binder vaoBinder(&m_vaoTool);
+            QOpenGLFunctions *f = QOpenGLContext::currentContext()->functions();
+            program->setUniformValue(program->textureEnabledLoc(), 0);
+            program->setUniformValue(program->normalMapEnabledLoc(), 0);
+            program->setUniformValue(program->metalnessMapEnabledLoc(), 0);
+            program->setUniformValue(program->roughnessMapEnabledLoc(), 0);
+            program->setUniformValue(program->ambientOcclusionMapEnabledLoc(), 0);
+            f->glDrawArrays(GL_TRIANGLES, 0, m_renderToolVertexCount);
+        }
+    }
 }
 
 void ModelMeshBinder::cleanup()
@@ -198,6 +227,10 @@ void ModelMeshBinder::cleanup()
         m_vboTriangle.destroy();
     if (m_vboEdge.isCreated())
         m_vboEdge.destroy();
+    if (m_toolEnabled) {
+        if (m_vboTool.isCreated())
+            m_vboTool.destroy();
+    }
     delete m_texture;
     m_texture = nullptr;
     delete m_normalMap;
diff --git a/src/modelmeshbinder.h b/src/modelmeshbinder.h
index b0c58326..64cdc2f0 100644
--- a/src/modelmeshbinder.h
+++ b/src/modelmeshbinder.h
@@ -11,7 +11,7 @@
 class ModelMeshBinder
 {
 public:
-    ModelMeshBinder();
+    ModelMeshBinder(bool toolEnabled=false);
     ~ModelMeshBinder();
     void updateMesh(MeshLoader *mesh);
     void initialize();
@@ -21,25 +21,29 @@ public:
     void hideWireframes();
     bool isWireframesVisible();
 private:
-    MeshLoader *m_mesh;
-    MeshLoader *m_newMesh;
-    int m_renderTriangleVertexCount;
-    int m_renderEdgeVertexCount;
-    bool m_newMeshComing;
-    bool m_showWireframes;
-    bool m_hasTexture;
-    QOpenGLTexture *m_texture;
-    bool m_hasNormalMap;
-    QOpenGLTexture *m_normalMap;
-    bool m_hasMetalnessMap;
-    bool m_hasRoughnessMap;
-    bool m_hasAmbientOcclusionMap;
-    QOpenGLTexture *m_metalnessRoughnessAmbientOcclusionMap;
+    MeshLoader *m_mesh = nullptr;
+    MeshLoader *m_newMesh = nullptr;
+    int m_renderTriangleVertexCount = 0;
+    int m_renderEdgeVertexCount = 0;
+    int m_renderToolVertexCount = 0;
+    bool m_newMeshComing = false;
+    bool m_showWireframes = false;
+    bool m_hasTexture = false;
+    QOpenGLTexture *m_texture = nullptr;
+    bool m_hasNormalMap = false;
+    QOpenGLTexture *m_normalMap = nullptr;
+    bool m_hasMetalnessMap = false;
+    bool m_hasRoughnessMap = false;
+    bool m_hasAmbientOcclusionMap = false;
+    QOpenGLTexture *m_metalnessRoughnessAmbientOcclusionMap = nullptr;
+    bool m_toolEnabled = false;
 private:
     QOpenGLVertexArrayObject m_vaoTriangle;
     QOpenGLBuffer m_vboTriangle;
     QOpenGLVertexArrayObject m_vaoEdge;
     QOpenGLBuffer m_vboEdge;
+    QOpenGLVertexArrayObject m_vaoTool;
+    QOpenGLBuffer m_vboTool;
     QMutex m_meshMutex;
     QMutex m_newMeshMutex;
 };
diff --git a/src/modelwidget.cpp b/src/modelwidget.cpp
index 09d752ca..d6d431a9 100644
--- a/src/modelwidget.cpp
+++ b/src/modelwidget.cpp
@@ -3,6 +3,7 @@
 #include <QCoreApplication>
 #include <QGuiApplication>
 #include <math.h>
+#include <QVector4D>
 #include "modelwidget.h"
 #include "util.h"
 
diff --git a/src/modelwidget.h b/src/modelwidget.h
index e37d345b..e5d2e970 100644
--- a/src/modelwidget.h
+++ b/src/modelwidget.h
@@ -7,6 +7,7 @@
 #include <QMatrix4x4>
 #include <QMutex>
 #include <QRubberBand>
+#include <QVector2D>
 #include "meshloader.h"
 #include "modelshaderprogram.h"
 #include "modelmeshbinder.h"
diff --git a/src/toolmesh.cpp b/src/toolmesh.cpp
index 14ae39b9..d9fe1a7a 100644
--- a/src/toolmesh.cpp
+++ b/src/toolmesh.cpp
@@ -1,17 +1,96 @@
 #include "toolmesh.h"
+#include "theme.h"
 
-void ToolMesh::addNode(const QVector3D &position, float radius, const QMatrix4x4 &transform)
+const std::vector<QVector3D> ToolMesh::m_predefinedPoints = {
+    QVector3D(1.000000, 1.000000, -1.000000),
+    QVector3D(1.000000, -1.000000, -1.000000),
+    QVector3D(1.000000, 1.000000, 1.000000),
+    QVector3D(1.000000, -1.000000, 1.000000),
+    QVector3D(-1.000000, 1.000000, -1.000000),
+    QVector3D(-1.000000, -1.000000, -1.000000),
+    QVector3D(-1.000000, 1.000000, 1.000000),
+    QVector3D(-1.000000, -1.000000, 1.000000),
+};
+
+const std::vector<QVector3D> ToolMesh::m_predefinedNormals = {
+    QVector3D(0.0000, 1.0000, 0.0000),
+    QVector3D(0.0000, 0.0000, 1.0000),
+    QVector3D(-1.0000, 0.0000, 0.0000),
+    QVector3D(0.0000, -1.0000, 0.0000),
+    QVector3D(1.0000, 0.0000, 0.0000),
+    QVector3D(0.0000, 0.0000, -1.0000),
+};
+
+ToolMesh::~ToolMesh()
 {
-    m_nodes.push_back({position, radius, transform});
+}
+
+void ToolMesh::addNode(const QString &nodeId, const QVector3D &position)
+{
+    m_nodes.insert({nodeId, {position}});
+}
+
+void ToolMesh::fillCube(std::vector<ShaderVertex> *vertices, const QVector3D &position)
+{
+    auto addTriangle = [&](const std::vector<size_t> &indices, int normalIndex) {
+        for (const auto &index: indices) {
+            ShaderVertex vertex;
+            memset(&vertex, 0, sizeof(ShaderVertex));
+            
+            const auto &transformedPosition = position + m_predefinedPoints[index - 1] * 0.003;
+            const auto &transformedNormal = m_predefinedNormals[normalIndex - 1];
+            
+            vertex.posX = transformedPosition.x();
+            vertex.posY = transformedPosition.y();
+            vertex.posZ = transformedPosition.z();
+            
+            vertex.normX = transformedNormal.x();
+            vertex.normY = transformedNormal.y();
+            vertex.normZ = transformedNormal.z();
+            
+            vertex.colorR = Theme::green.redF();
+            vertex.colorG = Theme::green.greenF();
+            vertex.colorB = Theme::green.blueF();
+            
+            vertices->push_back(vertex);
+        }
+    };
+    
+    addTriangle({5, 3, 1}, 1);
+    addTriangle({3, 8, 4}, 2);
+    addTriangle({7, 6, 8}, 3);
+    addTriangle({2, 8, 6}, 4);
+    addTriangle({1, 4, 2}, 5);
+    addTriangle({5, 2, 6}, 6);
+    addTriangle({5, 7, 3}, 1);
+    addTriangle({3, 7, 8}, 2);
+    addTriangle({7, 5, 6}, 3);
+    addTriangle({2, 4, 8}, 4);
+    addTriangle({1, 3, 4}, 5);
+    addTriangle({5, 1, 2}, 6);
 }
 
 void ToolMesh::generate()
 {
-    // TODO:
+    for (const auto &node: m_nodes) {
+        fillCube(&m_nodesVertices[node.first], node.second.position);
+    }
 }
 
 ShaderVertex *ToolMesh::takeShaderVertices(int *shaderVertexCount)
 {
-    // TODO:
-    return nullptr;
+    int vertexCount = m_nodesVertices.size() * 12 * 3;
+    ShaderVertex *shaderVertices = new ShaderVertex[vertexCount];
+    if (nullptr != shaderVertexCount)
+        *shaderVertexCount = vertexCount;
+    int vertexIndex = 0;
+    for (const auto &nodeIt: m_nodesVertices) {
+        for (const auto &vertexIt: nodeIt.second) {
+            Q_ASSERT(vertexIndex < vertexCount);
+            ShaderVertex *dest = &shaderVertices[vertexIndex++];
+            *dest = vertexIt;
+        }
+    }
+    Q_ASSERT(vertexIndex == vertexCount);
+    return shaderVertices;
 }
diff --git a/src/toolmesh.h b/src/toolmesh.h
index 9e3851be..ecf150ff 100644
--- a/src/toolmesh.h
+++ b/src/toolmesh.h
@@ -3,12 +3,14 @@
 #include <QVector3D>
 #include <QMatrix4x4>
 #include <vector>
+#include <map>
 #include "shadervertex.h"
 
 class ToolMesh
 {
 public:
-    void addNode(const QVector3D &position, float radius, const QMatrix4x4 &transform);
+    ~ToolMesh();
+    void addNode(const QString &nodeId, const QVector3D &position);
     void generate();
     ShaderVertex *takeShaderVertices(int *shaderVertexCount);
     
@@ -16,12 +18,15 @@ private:
     struct Node
     {
         QVector3D position;
-        float radius;
-        QMatrix4x4 transform;
     };
 
-    std::vector<Node> m_nodes;
-    ShaderVertex *m_shaderVertices = nullptr;
+    std::map<QString, Node> m_nodes;
+    std::map<QString, std::vector<ShaderVertex>> m_nodesVertices;
+    
+    static const std::vector<QVector3D> m_predefinedPoints;
+    static const std::vector<QVector3D> m_predefinedNormals;
+    
+    void fillCube(std::vector<ShaderVertex> *vertices, const QVector3D &position);
 };
 
 #endif
diff --git a/thirdparty/nodemesh/nodemesh/builder.cpp b/thirdparty/nodemesh/nodemesh/builder.cpp
index ef03bd0e..d742b7ee 100644
--- a/thirdparty/nodemesh/nodemesh/builder.cpp
+++ b/thirdparty/nodemesh/nodemesh/builder.cpp
@@ -711,6 +711,8 @@ void Builder::makeCut(const QVector3D &position,
     auto uFactor = u * radius;
     auto vFactor = v * radius;
     if (nullptr != cutFaceTransform) {
+        cutFaceTransform->scale = radius;
+        cutFaceTransform->translation = position;
         cutFaceTransform->uFactor = uFactor;
         cutFaceTransform->vFactor = vFactor;
     }
diff --git a/thirdparty/nodemesh/nodemesh/builder.h b/thirdparty/nodemesh/nodemesh/builder.h
index 746595d2..62cf1e11 100644
--- a/thirdparty/nodemesh/nodemesh/builder.h
+++ b/thirdparty/nodemesh/nodemesh/builder.h
@@ -15,6 +15,8 @@ class Builder
 public:
     struct CutFaceTransform
     {
+        QVector3D translation;
+        float scale;
         QMatrix4x4 rotation;
         QVector3D uFactor;
         QVector3D vFactor;