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// TnzCore includes
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#include "tmeshimage.h"
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#include "tgl.h"
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#include "tundo.h"
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// TnzExt includes
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#include "ext/plasticdeformerstorage.h"
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// tcg includes
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#include "tcg/tcg_macros.h"
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#include "tcg/tcg_point_ops.h"
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#include "tcg/tcg_function_types.h"
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// boost includes
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#include <boost unordered_set.hpp=""></boost>
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#include <boost unordered_map.hpp=""></boost>
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using namespace tcg::bgl;
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#include <boost breadth_first_search.hpp="" graph=""></boost>
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// STD includes
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#include <stack></stack>
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#include "plastictool.h"
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using namespace PlasticToolLocals;
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//****************************************************************************************
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//    Local namespace  stuff
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//****************************************************************************************
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namespace {
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typedef PlasticTool::MeshIndex MeshIndex;
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typedef TTextureMesh::vertex_type vertex_type;
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typedef TTextureMesh::edge_type edge_type;
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typedef TTextureMesh::face_type face_type;
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//------------------------------------------------------------------------
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bool borderEdge(const TTextureMesh &mesh, int e) {
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  return (mesh.edge(e).facesCount() < 2);
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}
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bool borderVertex(const TTextureMesh &mesh, int v) {
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  const TTextureVertex &vx = mesh.vertex(v);
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  tcg::vertex_traits<ttexturevertex>::edges_const_iterator et,</ttexturevertex>
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      eEnd(vx.edgesEnd());
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  for (et = vx.edgesBegin(); et != eEnd; ++et) {
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    if (borderEdge(mesh, *et)) return true;
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  }
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  return false;
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}
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//============================================================================
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bool testSwapEdge(const TTextureMesh &mesh, int e) {
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  return (mesh.edge(e).facesCount() == 2);
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}
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//------------------------------------------------------------------------
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bool testCollapseEdge(const TTextureMesh &mesh, int e) {
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  struct Locals {
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    const TTextureMesh &m_mesh;
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    int m_e;
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    const TTextureMesh::edge_type &m_ed;
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    bool testTrianglesCount() {
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      // There must be at least one remanining triangle
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      return (m_mesh.facesCount() > m_ed.facesCount());
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    }
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    bool testBoundary() {
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      // Must not join two non-adjacent boundary vertices
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      return (!borderVertex(m_mesh, m_ed.vertex(0)) ||
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              !borderVertex(m_mesh, m_ed.vertex(1)) || borderEdge(m_mesh, m_e));
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    }
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    bool testAdjacency() {
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      // See TriMesh<>::collapseEdge()
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      // Retrieve allowed adjacent vertices
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      int f, fCount = m_ed.facesCount();
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      int allowedV[6], *avt, *avEnd = allowedV + 3 * fCount;
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      for (f = 0, avt = allowedV; f != fCount; ++f, avt += 3)
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        m_mesh.faceVertices(m_ed.face(f), avt[0], avt[1], avt[2]);
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      // Test adjacent vertices
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      int v0 = m_ed.vertex(0), v1 = m_ed.vertex(1);
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      const vertex_type &vx0 = m_mesh.vertex(v0);
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      tcg::vertex_traits<vertex_type>::edges_const_iterator et,</vertex_type>
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          eEnd = vx0.edgesEnd();
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      for (et = vx0.edgesBegin(); et != eEnd; ++et) {
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        int otherV = m_mesh.edge(*et).otherVertex(v0);
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        if (m_mesh.edgeInciding(v1, otherV) >= 0) {
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          // Adjacent vertex - must be found in the allowed list
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          if (std::find(allowedV, avEnd, otherV) == avEnd) return false;
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        }
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      }
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      return true;
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    }
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  } locals = {mesh, e, mesh.edge(e)};
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  return (locals.testTrianglesCount() && locals.testBoundary() &&
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          locals.testAdjacency());
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}
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}  // namespace
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//****************************************************************************************
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//    PlasticToolLocals  stuff
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//****************************************************************************************
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namespace PlasticToolLocals {
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struct Closer {
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  const TTextureMesh &m_mesh;
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  TPointD m_pos;
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  double dist2(const TTextureMesh::vertex_type &a) {
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    return tcg::point_ops::dist2<tpointd>(a.P(), m_pos);</tpointd>
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  }
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  double dist2(const TTextureMesh::edge_type &a) {
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    const TTextureMesh::vertex_type &avx0 = m_mesh.vertex(a.vertex(0)),
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                                    &avx1 = m_mesh.vertex(a.vertex(1));
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    return sq(tcg::point_ops::segDist<tpointd>(avx0.P(), avx1.P(), m_pos));</tpointd>
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  }
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  bool operator()(const TTextureMesh::vertex_type &a,
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                  const TTextureMesh::vertex_type &b) {
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    return (dist2(a) < dist2(b));
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  }
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  bool operator()(const TTextureMesh::edge_type &a,
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                  const TTextureMesh::edge_type &b) {
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    return (dist2(a) < dist2(b));
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  }
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};
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//==============================================================================
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static std::pair<double, int=""> closestVertex(const TTextureMesh &mesh,</double,>
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                                            const TPointD &pos) {
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  Closer closer = {mesh, pos};
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  int vIdx      = int(
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      std::min_element(mesh.vertices().begin(), mesh.vertices().end(), closer)
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          .index());
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  return std::make_pair(closer.dist2(mesh.vertex(vIdx)), vIdx);
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}
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//------------------------------------------------------------------------
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static std::pair<double, int=""> closestEdge(const TTextureMesh &mesh,</double,>
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                                          const TPointD &pos) {
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  Closer closer = {mesh, pos};
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  int eIdx =
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      int(std::min_element(mesh.edges().begin(), mesh.edges().end(), closer)
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              .index());
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  return std::make_pair(closer.dist2(mesh.edge(eIdx)), eIdx);
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}
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//------------------------------------------------------------------------
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std::pair<double, meshindex=""> closestVertex(const TMeshImage &mi,</double,>
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                                           const TPointD &pos) {
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  std::pair<double, meshindex=""> closest((std::numeric_limits<double>::max)(),</double></double,>
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                                       MeshIndex());
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  const TMeshImage::meshes_container &meshes = mi.meshes();
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  TMeshImage::meshes_container::const_iterator mt, mEnd = meshes.end();
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  for (mt = meshes.begin(); mt != mEnd; ++mt) {
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    const std::pair<double, int=""> &candidateIdx = closestVertex(**mt, pos);</double,>
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    std::pair<double, meshindex=""> candidate(</double,>
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        candidateIdx.first,
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        MeshIndex(mt - meshes.begin(), candidateIdx.second));
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    if (candidate < closest) closest = candidate;
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  }
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  return closest;
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}
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//------------------------------------------------------------------------
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std::pair<double, meshindex=""> closestEdge(const TMeshImage &mi,</double,>
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                                         const TPointD &pos) {
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  std::pair<double, meshindex=""> closest((std::numeric_limits<double>::max)(),</double></double,>
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                                       MeshIndex());
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  const TMeshImage::meshes_container &meshes = mi.meshes();
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  TMeshImage::meshes_container::const_iterator mt, mEnd = meshes.end();
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  for (mt = meshes.begin(); mt != mEnd; ++mt) {
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    const std::pair<double, int=""> &candidateIdx = closestEdge(**mt, pos);</double,>
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    std::pair<double, meshindex=""> candidate(</double,>
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        candidateIdx.first,
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        MeshIndex(mt - meshes.begin(), candidateIdx.second));
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    if (candidate < closest) closest = candidate;
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  }
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  return closest;
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}
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}  // namespace
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//****************************************************************************************
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//    Cut Mesh  operation
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//****************************************************************************************
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namespace {
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struct EdgeCut {
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  int m_vIdx;  //!< Vertex index to cut from.
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  int m_eIdx;  //!< Edge index to cut.
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  EdgeCut(int vIdx, int eIdx) : m_vIdx(vIdx), m_eIdx(eIdx) {}
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};
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struct VertexOccurrence {
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  int m_count;               //!< Number of times a vertex occurs.
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  int m_adjacentEdgeIdx[2];  //!< Edge indexes of which a vertex is endpoint.
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};
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//============================================================================
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bool buildEdgeCuts(const TMeshImage &mi,
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                   const PlasticTool::MeshSelection &edgesSelection,
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                   int &meshIdx, std::vector<edgecut> &edgeCuts) {</edgecut>
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  typedef PlasticTool::MeshSelection::objects_container edges_container;
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  typedef PlasticTool::MeshIndex MeshIndex;
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  typedef boost::unordered_map<int, vertexoccurrence=""> VertexOccurrencesMap;</int,>
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  struct locals {
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    static bool differentMesh(const MeshIndex &a, const MeshIndex &b) {
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      return (a.m_meshIdx != b.m_meshIdx);
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    }
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    static int testSingleMesh(const edges_container &edges) {
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      assert(!edges.empty());
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      return (std::find_if(edges.begin(), edges.end(),
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                           tcg::bind2nd(&differentMesh, edges.front())) ==
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              edges.end())
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                 ? edges.front().m_meshIdx
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                 : -1;
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    }
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    static bool testNoBoundaryEdge(const TTextureMesh &mesh,
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                                   const edges_container &edges) {
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      edges_container::const_iterator et, eEnd = edges.end();
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      for (et = edges.begin(); et != eEnd; ++et)
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        if (::borderEdge(mesh, et->m_idx)) return false;
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      return true;
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    }
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    static bool buildVertexOccurrences(
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        const TTextureMesh &mesh, const edges_container &edges,
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        VertexOccurrencesMap &vertexOccurrences) {
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      // Calculate vertex occurrences as edge endpoints
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      edges_container::const_iterator et, eEnd = edges.end();
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      for (et = edges.begin(); et != eEnd; ++et) {
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        const edge_type &ed = mesh.edge(et->m_idx);
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        int v0 = ed.vertex(0), v1 = ed.vertex(1);
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        VertexOccurrence &vo0 = vertexOccurrences[v0],
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                         &vo1 = vertexOccurrences[v1];
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        if (vo0.m_count > 1 || vo1.m_count > 1) return false;
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        vo0.m_adjacentEdgeIdx[vo0.m_count++] =
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            vo1.m_adjacentEdgeIdx[vo1.m_count++] = et->m_idx;
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      }
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      return true;
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    }
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    static bool buildEdgeCuts(const TTextureMesh &mesh,
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                              const edges_container &edges,
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                              std::vector<edgecut> &edgeCuts) {</edgecut>
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      VertexOccurrencesMap vertexOccurrences;
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      if (!buildVertexOccurrences(mesh, edges, vertexOccurrences)) return false;
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      // Build endpoints (exactly 2)
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      int endPoints[2];
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      int epCount = 0;
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      VertexOccurrencesMap::iterator ot, oEnd = vertexOccurrences.end();
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      for (ot = vertexOccurrences.begin(); ot != oEnd; ++ot) {
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        if (ot->second.m_count == 1) {
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          if (epCount > 1) return false;
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          endPoints[epCount++] = ot->first;
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        }
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      }
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      if (epCount != 2) return false;
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      // Pick the first endpoint on the boundary, if any (otherwise, just pick
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      // one)
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      int *ept, *epEnd = endPoints + 2;
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      ept = std::find_if(endPoints, epEnd, tcg::bind1st(&borderVertex, mesh));
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      if (ept == epEnd) {
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        // There is no boundary endpoint
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        if (edges.size() < 2)  // We should not cut the mesh on a
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          return false;        // single edge - no vertex to duplicate!
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        ept = endPoints;
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      }
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      // Build the edge cuts list, expanding the edges selection from
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      // the chosen endpoint
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      edgeCuts.push_back(EdgeCut(  // Build the first EdgeCut separately
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          *ept, vertexOccurrences[*ept].m_adjacentEdgeIdx[0]));
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      int e, eCount = int(edges.size());  // Build the remaining ones
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      for (e = 1; e != eCount; ++e) {
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        const EdgeCut &lastCut = edgeCuts.back();
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        int vIdx = mesh.edge(lastCut.m_eIdx).otherVertex(lastCut.m_vIdx);
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        const int(&adjEdges)[2] = vertexOccurrences[vIdx].m_adjacentEdgeIdx;
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        int eIdx = (adjEdges[0] == lastCut.m_eIdx) ? adjEdges[1] : adjEdges[0];
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        edgeCuts.push_back(EdgeCut(vIdx, eIdx));
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      }
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      return true;
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    }
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  };
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  const edges_container &edges = edgesSelection.objects();
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  // Trivial early bailouts
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  if (edges.empty()) return false;
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  // Selected edges must lie on the same mesh
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  meshIdx = locals::testSingleMesh(edges);
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  if (meshIdx < 0) return false;
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  const TTextureMesh &mesh = *mi.meshes()[meshIdx];
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  // No selected edge must be on the boundary
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  return (locals::testNoBoundaryEdge(mesh, edges) &&
Shinya Kitaoka 120a6e
          locals::buildEdgeCuts(mesh, edges, edgeCuts));
Shinya Kitaoka 120a6e
}
Toshihiro Shimizu 890ddd
Shinya Kitaoka 120a6e
//------------------------------------------------------------------------
Shinya Kitaoka 120a6e
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inline bool testCutMesh(const TMeshImage &mi,
Shinya Kitaoka 120a6e
                        const PlasticTool::MeshSelection &edgesSelection) {
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  std::vector<edgecut> edgeCuts;</edgecut>
Shinya Kitaoka 120a6e
  int meshIdx;
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  return buildEdgeCuts(mi, edgesSelection, meshIdx, edgeCuts);
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}
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//------------------------------------------------------------------------
Shinya Kitaoka 120a6e
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void slitMesh(TTextureMesh &mesh,
Shinya Kitaoka 120a6e
              int e)  //! Opens a slit along the specified edge index.
Shinya Kitaoka 120a6e
{
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  TTextureMesh::edge_type &ed = mesh.edge(e);
Shinya Kitaoka 120a6e
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  assert(ed.facesCount() == 2);
Toshihiro Shimizu 890ddd
Shinya Kitaoka 120a6e
  // Duplicate the edge and pass one face to the duplicate
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  TTextureMesh::edge_type edDup(ed.vertex(0), ed.vertex(1));
Toshihiro Shimizu 890ddd
Shinya Kitaoka 120a6e
  int f = ed.face(1);
Toshihiro Shimizu 890ddd
Shinya Kitaoka 120a6e
  edDup.addFace(f);
Shinya Kitaoka 120a6e
  ed.eraseFace(ed.facesBegin() + 1);
Toshihiro Shimizu 890ddd
Shinya Kitaoka 120a6e
  int eDup = mesh.addEdge(edDup);
Toshihiro Shimizu 890ddd
Shinya Kitaoka 120a6e
  // Alter the face to host the duplicate
Shinya Kitaoka 120a6e
  TTextureMesh::face_type &fc = mesh.face(f);
Shinya Kitaoka 120a6e
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  (fc.edge(0) == e)
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      ? fc.setEdge(0, eDup)
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      : (fc.edge(1) == e) ? fc.setEdge(1, eDup) : fc.setEdge(2, eDup);
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}
Toshihiro Shimizu 890ddd
Shinya Kitaoka 120a6e
//------------------------------------------------------------------------
Shinya Kitaoka 120a6e
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/*!
Shinya Kitaoka 120a6e
  \brief    Duplicates a mesh edge-vertex pair (the 'cut') and separates their
Shinya Kitaoka 120a6e
            connections to adjacent mesh primitives.
Toshihiro Shimizu 890ddd
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  \remark   The starting vertex is supposed to be on the mesh boundary.
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  \remark   Edges with a single neighbouring face can be duplicated, too.
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*/
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void cutEdge(TTextureMesh &mesh, const EdgeCut &edgeCut) {
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  struct locals {
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    static void transferEdge(TTextureMesh &mesh, int e, int vFrom, int vTo) {
Shinya Kitaoka 120a6e
      edge_type &ed = mesh.edge(e);
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      vertex_type &vxFrom = mesh.vertex(vFrom), &vxTo = mesh.vertex(vTo);
Shinya Kitaoka 120a6e
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      (ed.vertex(0) == vFrom) ? ed.setVertex(0, vTo) : ed.setVertex(1, vTo);
Shinya Kitaoka 120a6e
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      vxTo.addEdge(e);
Shinya Kitaoka 120a6e
      vxFrom.eraseEdge(
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          std::find(vxFrom.edges().begin(), vxFrom.edges().end(), e));
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    }
Shinya Kitaoka 120a6e
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    static void transferFace(TTextureMesh &mesh, int eFrom, int eTo) {
Shinya Kitaoka 120a6e
      edge_type &edFrom = mesh.edge(eFrom), &edTo = mesh.edge(eTo);
Shinya Kitaoka 120a6e
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      int f = mesh.edge(eFrom).face(1);
Shinya Kitaoka 120a6e
      {
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        face_type &fc = mesh.face(f);
Shinya Kitaoka 120a6e
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        (fc.edge(0) == eFrom)
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            ? fc.setEdge(0, eTo)
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            : (fc.edge(1) == eFrom) ? fc.setEdge(1, eTo) : fc.setEdge(2, eTo);
Shinya Kitaoka 120a6e
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        edTo.addFace(f);
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        edFrom.eraseFace(edFrom.facesBegin() + 1);
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      }
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    }
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  };  // locals
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  int vOrig = edgeCut.m_vIdx, eOrig = edgeCut.m_eIdx;
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  // Create a new vertex at the same position of the original
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  int vDup = mesh.addVertex(vertex_type(mesh.vertex(vOrig).P()));
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  int e = eOrig;
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  if (mesh.edge(e).facesCount() == 2) {
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    // Duplicate the cut edge
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    e = mesh.addEdge(edge_type(vDup, mesh.edge(eOrig).otherVertex(vOrig)));
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    // Transfer one face from the original to the duplicate
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    locals::transferFace(mesh, eOrig, e);
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  } else {
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    // Transfer the original edge to the duplicate vertex
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    locals::transferEdge(mesh, eOrig, vOrig, vDup);
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  }
Shinya Kitaoka 120a6e
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  // Edges adjacent to the original vertex that are also adjacent
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  // to the transferred face above must be transferred too
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  int f = mesh.edge(e).face(0);
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  while (f >= 0) {
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    // Retrieve the next edge to transfer
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    int otherE = mesh.otherFaceEdge(f, mesh.edge(e).otherVertex(vDup));
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    // NOTE: Not "mesh.edgeInciding(vOrig, mesh.otherFaceVertex(f, e))" in the
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    // calculation
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    //       of otherE. This is required since by transferring each edge at a
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    //       time,
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    //       we're 'breaking' faces up - f is adjacent to both vOrig AND vDup!
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    //
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    //       The chosen calculation, instead, just asks for the one edge which
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    //       does
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    //       not have a specific vertex in common to the 2 other edges in the
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    //       face.
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    locals::transferEdge(mesh, otherE, vOrig, vDup);
Shinya Kitaoka 120a6e
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    // Update e and f
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    e = otherE;
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    f = mesh.edge(otherE).otherFace(f);
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  }
Toshihiro Shimizu 890ddd
}
Toshihiro Shimizu 890ddd
Toshihiro Shimizu 890ddd
//------------------------------------------------------------------------
Toshihiro Shimizu 890ddd
}
Shinya Kitaoka 120a6e
namespace locals_ {      // Need to use a named namespace due to
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                         // a known gcc 4.2 bug with compiler-generated
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struct VertexesRecorder  // copy constructors.
Shinya Kitaoka 120a6e
{
Shinya Kitaoka 120a6e
  boost::unordered_set<int> &m_examinedVertexes;</int>
Toshihiro Shimizu 890ddd
Toshihiro Shimizu 890ddd
public:
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  typedef boost::on_examine_vertex event_filter;
Toshihiro Shimizu 890ddd
Toshihiro Shimizu 890ddd
public:
Shinya Kitaoka 120a6e
  VertexesRecorder(boost::unordered_set<int> &examinedVertexes)</int>
Shinya Kitaoka 120a6e
      : m_examinedVertexes(examinedVertexes) {}
Toshihiro Shimizu 890ddd
Shinya Kitaoka 120a6e
  void operator()(int v, const TTextureMesh &) { m_examinedVertexes.insert(v); }
Toshihiro Shimizu 890ddd
};
Toshihiro Shimizu 890ddd
}
Shinya Kitaoka 120a6e
namespace {  //
Toshihiro Shimizu 890ddd
Shinya Kitaoka 120a6e
void splitUnconnectedMesh(TMeshImage &mi, int meshIdx) {
Shinya Kitaoka 120a6e
  struct locals {
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    static void buildConnectedComponent(const TTextureMesh &mesh,
Shinya Kitaoka 120a6e
                                        boost::unordered_set<int> &vertexes) {</int>
Shinya Kitaoka 120a6e
      // Prepare BFS algorithm
otakuto e28b5e
      std::unique_ptr<uchar[]> colorMapP(new UCHAR[mesh.vertices().nodesCount()]());</uchar[]>
Shinya Kitaoka 120a6e
Shinya Kitaoka 120a6e
      locals_::VertexesRecorder vertexesRecorder(vertexes);
Shinya Kitaoka 120a6e
      std::stack<int> verticesQueue;</int>
Shinya Kitaoka 120a6e
Shinya Kitaoka 120a6e
      // Launch it
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      boost::breadth_first_visit(
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          mesh, int(mesh.vertices().begin().index()), verticesQueue,
Shinya Kitaoka 120a6e
          boost::make_bfs_visitor(vertexesRecorder), colorMapP.get());
Shinya Kitaoka 120a6e
    }
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  };  // locals
Shinya Kitaoka 120a6e
Shinya Kitaoka 120a6e
  // Retrieve the list of vertexes in the first connected component
Shinya Kitaoka 120a6e
  TTextureMesh &origMesh = *mi.meshes()[meshIdx];
Shinya Kitaoka 120a6e
Shinya Kitaoka 120a6e
  boost::unordered_set<int> firstComponent;</int>
Shinya Kitaoka 120a6e
  locals::buildConnectedComponent(origMesh, firstComponent);
Shinya Kitaoka 120a6e
Shinya Kitaoka 120a6e
  if (firstComponent.size() == origMesh.verticesCount()) return;
Shinya Kitaoka 120a6e
Shinya Kitaoka 120a6e
  // There are (exactly) 2 connected components. Just duplicate the mesh
Shinya Kitaoka 120a6e
  // and keep/delete found vertexes.
Shinya Kitaoka 120a6e
  TTextureMeshP dupMeshPtr(new TTextureMesh(origMesh));
Shinya Kitaoka 120a6e
  TTextureMesh &dupMesh = *dupMeshPtr;
Shinya Kitaoka 120a6e
Shinya Kitaoka 120a6e
  TTextureMesh::vertices_container &vertices = origMesh.vertices();
Shinya Kitaoka 120a6e
Shinya Kitaoka 120a6e
  TTextureMesh::vertices_container::iterator vt, vEnd = vertices.end();
Shinya Kitaoka 120a6e
  for (vt = vertices.begin(); vt != vEnd;) {
Shinya Kitaoka 120a6e
    int v = int(vt.index());
Shinya Kitaoka 120a6e
    ++vt;
Shinya Kitaoka 120a6e
Shinya Kitaoka 120a6e
    if (firstComponent.count(v))
Shinya Kitaoka 120a6e
      dupMesh.removeVertex(v);
Shinya Kitaoka 120a6e
    else
Shinya Kitaoka 120a6e
      origMesh.removeVertex(v);
Shinya Kitaoka 120a6e
  }
Shinya Kitaoka 120a6e
Shinya Kitaoka 120a6e
  dupMesh.squeeze();
Shinya Kitaoka 120a6e
  origMesh.squeeze();
Shinya Kitaoka 120a6e
Shinya Kitaoka 120a6e
  mi.meshes().push_back(dupMeshPtr);
Toshihiro Shimizu 890ddd
}
Toshihiro Shimizu 890ddd
Toshihiro Shimizu 890ddd
//------------------------------------------------------------------------
Toshihiro Shimizu 890ddd
Shinya Kitaoka 120a6e
void splitMesh(TMeshImage &mi, int meshIdx, int lastBoundaryVertex) {
Shinya Kitaoka 120a6e
  // Retrieve a cutting edge with a single adjacent face - cutting that
Shinya Kitaoka 120a6e
  // will just duplicate the vertex and separate the mesh in 2 connected
Shinya Kitaoka 120a6e
  // components
Shinya Kitaoka 120a6e
  TTextureMesh &mesh = *mi.meshes()[meshIdx];
Toshihiro Shimizu 890ddd
Shinya Kitaoka 120a6e
  int e;
Shinya Kitaoka 120a6e
  {
Shinya Kitaoka 120a6e
    const vertex_type &lbVx = mesh.vertex(lastBoundaryVertex);
Toshihiro Shimizu 890ddd
Shinya Kitaoka 120a6e
    vertex_type::edges_const_iterator et = std::find_if(
Shinya Kitaoka 120a6e
        lbVx.edgesBegin(), lbVx.edgesEnd(), tcg::bind1st(&borderEdge, mesh));
Shinya Kitaoka 120a6e
    assert(et != lbVx.edgesEnd());
Toshihiro Shimizu 890ddd
Shinya Kitaoka 120a6e
    e = *et;
Shinya Kitaoka 120a6e
  }
Toshihiro Shimizu 890ddd
Shinya Kitaoka 120a6e
  cutEdge(mesh, EdgeCut(lastBoundaryVertex, e));
Toshihiro Shimizu 890ddd
Shinya Kitaoka 120a6e
  // At this point, separate the 2 resulting connected components
Shinya Kitaoka 120a6e
  // in 2 separate meshes (if necessary)
Shinya Kitaoka 120a6e
  splitUnconnectedMesh(mi, meshIdx);
Toshihiro Shimizu 890ddd
}
Toshihiro Shimizu 890ddd
Toshihiro Shimizu 890ddd
//------------------------------------------------------------------------
Toshihiro Shimizu 890ddd
Shinya Kitaoka 120a6e
bool cutMesh(TMeshImage &mi, const PlasticTool::MeshSelection &edgesSelection) {
Shinya Kitaoka 120a6e
  struct locals {
Shinya Kitaoka 120a6e
    static int lastVertex(const TTextureMesh &mesh,
Shinya Kitaoka 120a6e
                          const std::vector<edgecut> &edgeCuts) {</edgecut>
Shinya Kitaoka 120a6e
      return mesh.edge(edgeCuts.back().m_eIdx)
Shinya Kitaoka 120a6e
          .otherVertex(edgeCuts.back().m_vIdx);
Shinya Kitaoka 120a6e
    }
Toshihiro Shimizu 890ddd
Shinya Kitaoka 120a6e
    static int lastBoundaryVertex(const TTextureMesh &mesh,
Shinya Kitaoka 120a6e
                                  const std::vector<edgecut> &edgeCuts) {</edgecut>
Shinya Kitaoka 120a6e
      int v = lastVertex(mesh, edgeCuts);
Shinya Kitaoka 120a6e
      return ::borderVertex(mesh, v) ? v : -1;
Shinya Kitaoka 120a6e
    }
Toshihiro Shimizu 890ddd
Shinya Kitaoka 120a6e
  };  // locals
Toshihiro Shimizu 890ddd
Shinya Kitaoka 120a6e
  std::vector<edgecut> edgeCuts;</edgecut>
Shinya Kitaoka 120a6e
  int meshIdx;
Toshihiro Shimizu 890ddd
Shinya Kitaoka 120a6e
  if (!::buildEdgeCuts(mi, edgesSelection, meshIdx, edgeCuts)) return false;
Toshihiro Shimizu 890ddd
Shinya Kitaoka 120a6e
  TTextureMesh &mesh = *mi.meshes()[meshIdx];
Toshihiro Shimizu 890ddd
Shinya Kitaoka 120a6e
  int lastBoundaryVertex = locals::lastBoundaryVertex(mesh, edgeCuts);
Toshihiro Shimizu 890ddd
Shinya Kitaoka 120a6e
  // Slit the mesh on the first edge, in case the cuts do not start
Shinya Kitaoka 120a6e
  // on the mesh boundary
Shinya Kitaoka 120a6e
  std::vector<edgecut>::iterator ecBegin = edgeCuts.begin();</edgecut>
Toshihiro Shimizu 890ddd
Shinya Kitaoka 120a6e
  if (!::borderVertex(mesh, ecBegin->m_vIdx)) {
Shinya Kitaoka 120a6e
    ::slitMesh(mesh, ecBegin->m_eIdx);
Shinya Kitaoka 120a6e
    ++ecBegin;
Shinya Kitaoka 120a6e
  }
Toshihiro Shimizu 890ddd
Shinya Kitaoka 120a6e
  // Cut edges, in the order specified by edgeCuts
Shinya Kitaoka 120a6e
  std::for_each(ecBegin, edgeCuts.end(), tcg::bind1st(&cutEdge, mesh));
Toshihiro Shimizu 890ddd
Shinya Kitaoka 120a6e
  // Finally, the mesh could have been split in 2 - we need to separate
Shinya Kitaoka 120a6e
  // the pieces if needed
Shinya Kitaoka 120a6e
  if (lastBoundaryVertex >= 0) splitMesh(mi, meshIdx, lastBoundaryVertex);
Toshihiro Shimizu 890ddd
Shinya Kitaoka 120a6e
  return true;
Toshihiro Shimizu 890ddd
}
Toshihiro Shimizu 890ddd
Shinya Kitaoka 120a6e
}  // namespace
Toshihiro Shimizu 890ddd
Toshihiro Shimizu 890ddd
//****************************************************************************************
Toshihiro Shimizu 890ddd
//    Undo  definitions
Toshihiro Shimizu 890ddd
//****************************************************************************************
Toshihiro Shimizu 890ddd
Shinya Kitaoka 120a6e
namespace {
Toshihiro Shimizu 890ddd
Shinya Kitaoka d1f6c4
class MoveVertexUndo_Mesh final : public TUndo {
Shinya Kitaoka 120a6e
  int m_row, m_col;  //!< Xsheet coordinates
Toshihiro Shimizu 890ddd
Shinya Kitaoka 120a6e
  std::vector<meshindex> m_vIdxs;     //!< Moved vertices</meshindex>
Shinya Kitaoka 120a6e
  std::vector<tpointd> m_origVxsPos;  //!< Original vertex positions</tpointd>
Shinya Kitaoka 120a6e
  TPointD m_posShift;                 //!< Vertex positions shift
Toshihiro Shimizu 890ddd
Toshihiro Shimizu 890ddd
public:
Shinya Kitaoka 120a6e
  MoveVertexUndo_Mesh(const std::vector<meshindex> &vIdxs,</meshindex>
Shinya Kitaoka 120a6e
                      const std::vector<tpointd> &origVxsPos,</tpointd>
Shinya Kitaoka 120a6e
                      const TPointD &posShift)
Shinya Kitaoka 120a6e
      : m_row(::row())
Shinya Kitaoka 120a6e
      , m_col(::column())
Shinya Kitaoka 120a6e
      , m_vIdxs(vIdxs)
Shinya Kitaoka 120a6e
      , m_origVxsPos(origVxsPos)
Shinya Kitaoka 120a6e
      , m_posShift(posShift) {
Shinya Kitaoka 120a6e
    assert(m_vIdxs.size() == m_origVxsPos.size());
Shinya Kitaoka 120a6e
  }
Shinya Kitaoka 120a6e
Shinya Kitaoka 473e70
  int getSize() const override {
Shinya Kitaoka 120a6e
    return int(sizeof(*this) +
Shinya Kitaoka 120a6e
               m_vIdxs.size() * (sizeof(int) + 2 * sizeof(TPointD)));
Shinya Kitaoka 120a6e
  }
Shinya Kitaoka 120a6e
Shinya Kitaoka 473e70
  void redo() const override {
Shinya Kitaoka 120a6e
    PlasticTool::TemporaryActivation tempActivate(m_row, m_col);
Shinya Kitaoka 120a6e
Shinya Kitaoka 120a6e
    l_plasticTool.setMeshVertexesSelection(m_vIdxs);
Shinya Kitaoka 120a6e
    l_plasticTool.moveVertex_mesh(m_origVxsPos, m_posShift);
Shinya Kitaoka 120a6e
Shinya Kitaoka 120a6e
    l_plasticTool.invalidate();
Shinya Kitaoka 120a6e
    l_plasticTool
Shinya Kitaoka 120a6e
        .notifyImageChanged();  // IMPORTANT: In particular, sets the level's
Shinya Kitaoka 120a6e
  }                             //            dirty flag, so Toonz knows it has
Shinya Kitaoka 120a6e
                                //            to be saved!
Shinya Kitaoka 473e70
  void undo() const override {
Shinya Kitaoka 120a6e
    PlasticTool::TemporaryActivation tempActivate(m_row, m_col);
Shinya Kitaoka 120a6e
Shinya Kitaoka 120a6e
    l_plasticTool.setMeshVertexesSelection(m_vIdxs);
Shinya Kitaoka 120a6e
    l_plasticTool.moveVertex_mesh(m_origVxsPos, TPointD());
Shinya Kitaoka 120a6e
Shinya Kitaoka 120a6e
    l_plasticTool.invalidate();
Shinya Kitaoka 120a6e
    l_plasticTool.notifyImageChanged();
Shinya Kitaoka 120a6e
  }
Toshihiro Shimizu 890ddd
};
Toshihiro Shimizu 890ddd
Toshihiro Shimizu 890ddd
//==============================================================================
Toshihiro Shimizu 890ddd
Shinya Kitaoka d1f6c4
class SwapEdgeUndo final : public TUndo {
Shinya Kitaoka 120a6e
  int m_row, m_col;             //!< Xsheet coordinates
Shinya Kitaoka 120a6e
  mutable MeshIndex m_edgeIdx;  //!< Edge index
Toshihiro Shimizu 890ddd
Toshihiro Shimizu 890ddd
public:
Shinya Kitaoka 120a6e
  SwapEdgeUndo(const MeshIndex &edgeIdx)
Shinya Kitaoka 120a6e
      : m_row(::row()), m_col(::column()), m_edgeIdx(edgeIdx) {}
Toshihiro Shimizu 890ddd
Shinya Kitaoka 473e70
  int getSize() const override { return sizeof(*this); }
Toshihiro Shimizu 890ddd
Shinya Kitaoka 473e70
  void redo() const override {
Shinya Kitaoka 120a6e
    PlasticTool::TemporaryActivation tempActivate(m_row, m_col);
Toshihiro Shimizu 890ddd
Shinya Kitaoka 120a6e
    const TMeshImageP &mi = TMeshImageP(TTool::getImage(true));
Shinya Kitaoka 120a6e
    assert(mi);
Toshihiro Shimizu 890ddd
Shinya Kitaoka 120a6e
    // Perform swap
Shinya Kitaoka 120a6e
    TTextureMesh &mesh = *mi->meshes()[m_edgeIdx.m_meshIdx];
Toshihiro Shimizu 890ddd
Shinya Kitaoka 120a6e
    m_edgeIdx.m_idx = mesh.swapEdge(m_edgeIdx.m_idx);
Shinya Kitaoka 120a6e
    assert(m_edgeIdx.m_idx >= 0);
Toshihiro Shimizu 890ddd
Shinya Kitaoka 120a6e
    // Invalidate any deformer associated with mi
Shinya Kitaoka 120a6e
    PlasticDeformerStorage::instance()->releaseMeshData(mi.getPointer());
Toshihiro Shimizu 890ddd
Shinya Kitaoka 120a6e
    // Update tool selection
Shinya Kitaoka 120a6e
    l_plasticTool.setMeshEdgesSelection(m_edgeIdx);
Toshihiro Shimizu 890ddd
Shinya Kitaoka 120a6e
    l_plasticTool.invalidate();
Shinya Kitaoka 120a6e
    l_plasticTool.notifyImageChanged();
Shinya Kitaoka 120a6e
  }
Toshihiro Shimizu 890ddd
Shinya Kitaoka 473e70
  void undo() const override { redo(); }  // Operation is idempotent (indices
Shinya Kitaoka 38fd86
                                          // are perfectly restored, too)
Toshihiro Shimizu 890ddd
};
Toshihiro Shimizu 890ddd
Toshihiro Shimizu 890ddd
//==============================================================================
Toshihiro Shimizu 890ddd
Shinya Kitaoka 120a6e
class TTextureMeshUndo : public TUndo {
Toshihiro Shimizu 890ddd
protected:
Shinya Kitaoka 120a6e
  int m_row, m_col;  //!< Xsheet coordinates
Toshihiro Shimizu 890ddd
Shinya Kitaoka 120a6e
  int m_meshIdx;  //!< Mesh index in the image at stored xsheet coords
Shinya Kitaoka 120a6e
  mutable TTextureMesh m_origMesh;  //!< Copy of the original mesh
Toshihiro Shimizu 890ddd
Toshihiro Shimizu 890ddd
public:
Shinya Kitaoka 120a6e
  TTextureMeshUndo(int meshIdx)
Shinya Kitaoka 120a6e
      : m_row(::row()), m_col(::column()), m_meshIdx(meshIdx) {}
Toshihiro Shimizu 890ddd
Shinya Kitaoka 120a6e
  // Let's say 1MB each - storing the mesh is costly
Shinya Kitaoka 473e70
  int getSize() const override { return 1 << 20; }
Toshihiro Shimizu 890ddd
Shinya Kitaoka 120a6e
  TMeshImageP getMeshImage() const {
Shinya Kitaoka 120a6e
    const TMeshImageP &mi = TMeshImageP(TTool::getImage(true));
Shinya Kitaoka 120a6e
    assert(mi);
Toshihiro Shimizu 890ddd
Shinya Kitaoka 120a6e
    return mi;
Shinya Kitaoka 120a6e
  }
Toshihiro Shimizu 890ddd
};
Toshihiro Shimizu 890ddd
Toshihiro Shimizu 890ddd
//==============================================================================
Toshihiro Shimizu 890ddd
Shinya Kitaoka d1f6c4
class CollapseEdgeUndo final : public TTextureMeshUndo {
Shinya Kitaoka 120a6e
  int m_eIdx;  //!< Collapsed edge index
Toshihiro Shimizu 890ddd
Toshihiro Shimizu 890ddd
public:
Shinya Kitaoka 120a6e
  CollapseEdgeUndo(const MeshIndex &edgeIdx)
Shinya Kitaoka 120a6e
      : TTextureMeshUndo(edgeIdx.m_meshIdx), m_eIdx(edgeIdx.m_idx) {}
Toshihiro Shimizu 890ddd
Shinya Kitaoka 473e70
  void redo() const override {
Shinya Kitaoka 120a6e
    PlasticTool::TemporaryActivation tempActivate(m_row, m_col);
Toshihiro Shimizu 890ddd
Shinya Kitaoka 120a6e
    const TMeshImageP &mi = getMeshImage();
Toshihiro Shimizu 890ddd
Shinya Kitaoka 120a6e
    // Store the original mesh
Shinya Kitaoka 120a6e
    TTextureMesh &mesh = *mi->meshes()[m_meshIdx];
Shinya Kitaoka 120a6e
    m_origMesh         = mesh;
Toshihiro Shimizu 890ddd
Shinya Kitaoka 120a6e
    // Collapse
Shinya Kitaoka 120a6e
    mesh.collapseEdge(m_eIdx);
Shinya Kitaoka 120a6e
    mesh.squeeze();
Toshihiro Shimizu 890ddd
Shinya Kitaoka 120a6e
    // Invalidate any cached deformer associated with the modified mesh image
Shinya Kitaoka 120a6e
    PlasticDeformerStorage::instance()->releaseMeshData(mi.getPointer());
Toshihiro Shimizu 890ddd
Shinya Kitaoka 120a6e
    // Refresh the tool
Shinya Kitaoka 120a6e
    l_plasticTool.clearMeshSelections();
Toshihiro Shimizu 890ddd
Shinya Kitaoka 120a6e
    l_plasticTool.invalidate();
Shinya Kitaoka 120a6e
    l_plasticTool.notifyImageChanged();
Shinya Kitaoka 120a6e
  }
Toshihiro Shimizu 890ddd
Shinya Kitaoka 473e70
  void undo() const override {
Shinya Kitaoka 120a6e
    PlasticTool::TemporaryActivation tempActivate(m_row, m_col);
Toshihiro Shimizu 890ddd
Shinya Kitaoka 120a6e
    const TMeshImageP &mi = getMeshImage();
Toshihiro Shimizu 890ddd
Shinya Kitaoka 120a6e
    // Restore the original mesh
Shinya Kitaoka 120a6e
    TTextureMesh &mesh = *mi->meshes()[m_meshIdx];
Shinya Kitaoka 120a6e
    mesh               = m_origMesh;
Toshihiro Shimizu 890ddd
Shinya Kitaoka 120a6e
    PlasticDeformerStorage::instance()->releaseMeshData(mi.getPointer());
Toshihiro Shimizu 890ddd
Shinya Kitaoka 120a6e
    // Restore selection
Shinya Kitaoka 120a6e
    l_plasticTool.setMeshEdgesSelection(MeshIndex(m_meshIdx, m_eIdx));
Toshihiro Shimizu 890ddd
Shinya Kitaoka 120a6e
    l_plasticTool.invalidate();
Shinya Kitaoka 120a6e
    l_plasticTool.notifyImageChanged();
Shinya Kitaoka 120a6e
  }
Toshihiro Shimizu 890ddd
};
Toshihiro Shimizu 890ddd
Toshihiro Shimizu 890ddd
//==============================================================================
Toshihiro Shimizu 890ddd
Shinya Kitaoka d1f6c4
class SplitEdgeUndo final : public TTextureMeshUndo {
Shinya Kitaoka 120a6e
  int m_eIdx;  //!< Split edge index
Toshihiro Shimizu 890ddd
Toshihiro Shimizu 890ddd
public:
Shinya Kitaoka 120a6e
  SplitEdgeUndo(const MeshIndex &edgeIdx)
Shinya Kitaoka 120a6e
      : TTextureMeshUndo(edgeIdx.m_meshIdx), m_eIdx(edgeIdx.m_idx) {}
Toshihiro Shimizu 890ddd
Shinya Kitaoka 473e70
  void redo() const override {
Shinya Kitaoka 120a6e
    PlasticTool::TemporaryActivation tempActivate(m_row, m_col);
Toshihiro Shimizu 890ddd
Shinya Kitaoka 120a6e
    const TMeshImageP &mi = getMeshImage();
Toshihiro Shimizu 890ddd
Shinya Kitaoka 120a6e
    // Store the original mesh
Shinya Kitaoka 120a6e
    TTextureMesh &mesh = *mi->meshes()[m_meshIdx];
Shinya Kitaoka 120a6e
    m_origMesh         = mesh;
Toshihiro Shimizu 890ddd
Shinya Kitaoka 120a6e
    // Split
Shinya Kitaoka 120a6e
    mesh.splitEdge(m_eIdx);
Shinya Kitaoka 120a6e
    // mesh.squeeze();                                                     //
Shinya Kitaoka 120a6e
    // There should be no need to squeeze
Toshihiro Shimizu 890ddd
Shinya Kitaoka 120a6e
    assert(mesh.vertices().size() == mesh.vertices().nodesCount());  //
Shinya Kitaoka 120a6e
    assert(mesh.edges().size() == mesh.edges().nodesCount());        //
Shinya Kitaoka 120a6e
    assert(mesh.faces().size() == mesh.faces().nodesCount());        //
Toshihiro Shimizu 890ddd
Shinya Kitaoka 120a6e
    PlasticDeformerStorage::instance()->releaseMeshData(mi.getPointer());
Toshihiro Shimizu 890ddd
Shinya Kitaoka 120a6e
    l_plasticTool.clearMeshSelections();
Toshihiro Shimizu 890ddd
Shinya Kitaoka 120a6e
    l_plasticTool.invalidate();
Shinya Kitaoka 120a6e
    l_plasticTool.notifyImageChanged();
Shinya Kitaoka 120a6e
  }
Toshihiro Shimizu 890ddd
Shinya Kitaoka 473e70
  void undo() const override {
Shinya Kitaoka 120a6e
    PlasticTool::TemporaryActivation tempActivate(m_row, m_col);
Toshihiro Shimizu 890ddd
Shinya Kitaoka 120a6e
    const TMeshImageP &mi = getMeshImage();
Toshihiro Shimizu 890ddd
Shinya Kitaoka 120a6e
    // Restore the original mesh
Shinya Kitaoka 120a6e
    TTextureMesh &mesh = *mi->meshes()[m_meshIdx];
Shinya Kitaoka 120a6e
    mesh               = m_origMesh;
Toshihiro Shimizu 890ddd
Shinya Kitaoka 120a6e
    PlasticDeformerStorage::instance()->releaseMeshData(mi.getPointer());
Toshihiro Shimizu 890ddd
Shinya Kitaoka 120a6e
    // Restore selection
Shinya Kitaoka 120a6e
    l_plasticTool.setMeshEdgesSelection(MeshIndex(m_meshIdx, m_eIdx));
Toshihiro Shimizu 890ddd
Shinya Kitaoka 120a6e
    l_plasticTool.invalidate();
Shinya Kitaoka 120a6e
    l_plasticTool.notifyImageChanged();
Shinya Kitaoka 120a6e
  }
Toshihiro Shimizu 890ddd
};
Toshihiro Shimizu 890ddd
Toshihiro Shimizu 890ddd
//==============================================================================
Toshihiro Shimizu 890ddd
Shinya Kitaoka d1f6c4
class CutEdgesUndo final : public TUndo {
Shinya Kitaoka 120a6e
  int m_row, m_col;         //!< Xsheet coordinates
Shinya Kitaoka 120a6e
  TMeshImageP m_origImage;  //!< Clone of the original image
Toshihiro Shimizu 890ddd
Shinya Kitaoka 120a6e
  PlasticTool::MeshSelection m_edgesSelection;  //!< Selection to operate on
Toshihiro Shimizu 890ddd
Toshihiro Shimizu 890ddd
public:
Shinya Kitaoka 120a6e
  CutEdgesUndo(const PlasticTool::MeshSelection &edgesSelection)
Shinya Kitaoka 120a6e
      : m_row(::row())
Shinya Kitaoka 120a6e
      , m_col(::column())
Shinya Kitaoka 120a6e
      , m_origImage(TTool::getImage(false)->cloneImage())
Shinya Kitaoka 120a6e
      , m_edgesSelection(edgesSelection) {}
Toshihiro Shimizu 890ddd
Shinya Kitaoka 473e70
  int getSize() const override { return 1 << 20; }
Toshihiro Shimizu 890ddd
Shinya Kitaoka 120a6e
  bool do_() const {
Shinya Kitaoka 120a6e
    TMeshImageP mi = TTool::getImage(true);
Toshihiro Shimizu 890ddd
Shinya Kitaoka 120a6e
    if (::cutMesh(*mi, m_edgesSelection)) {
Shinya Kitaoka 120a6e
      PlasticDeformerStorage::instance()->releaseMeshData(mi.getPointer());
Toshihiro Shimizu 890ddd
Shinya Kitaoka 120a6e
      l_plasticTool.clearMeshSelections();
Toshihiro Shimizu 890ddd
Shinya Kitaoka 120a6e
      l_plasticTool.invalidate();
Shinya Kitaoka 120a6e
      l_plasticTool.notifyImageChanged();
Toshihiro Shimizu 890ddd
Shinya Kitaoka 120a6e
      return true;
Shinya Kitaoka 120a6e
    }
Toshihiro Shimizu 890ddd
Shinya Kitaoka 120a6e
    return false;
Shinya Kitaoka 120a6e
  }
Toshihiro Shimizu 890ddd
Shinya Kitaoka 473e70
  void redo() const override {
Shinya Kitaoka 120a6e
    PlasticTool::TemporaryActivation tempActivate(m_row, m_col);
Toshihiro Shimizu 890ddd
Shinya Kitaoka 120a6e
    bool ret = do_();
Shinya Kitaoka 120a6e
    (void)ret;
Shinya Kitaoka 120a6e
    assert(ret);
Shinya Kitaoka 120a6e
  }
Toshihiro Shimizu 890ddd
Shinya Kitaoka 473e70
  void undo() const override {
Shinya Kitaoka 120a6e
    PlasticTool::TemporaryActivation tempActivate(m_row, m_col);
Toshihiro Shimizu 890ddd
Shinya Kitaoka 120a6e
    TMeshImageP mi = TTool::getImage(true);
Toshihiro Shimizu 890ddd
Shinya Kitaoka 120a6e
    // Restore the original image
Shinya Kitaoka 120a6e
    *mi = *m_origImage;
Toshihiro Shimizu 890ddd
Shinya Kitaoka 120a6e
    PlasticDeformerStorage::instance()->releaseMeshData(mi.getPointer());
Toshihiro Shimizu 890ddd
Shinya Kitaoka 120a6e
    // Restore selection
Shinya Kitaoka 120a6e
    l_plasticTool.setMeshEdgesSelection(m_edgesSelection);
Toshihiro Shimizu 890ddd
Shinya Kitaoka 120a6e
    l_plasticTool.invalidate();
Shinya Kitaoka 120a6e
    l_plasticTool.notifyImageChanged();
Shinya Kitaoka 120a6e
  }
Toshihiro Shimizu 890ddd
};
Toshihiro Shimizu 890ddd
Shinya Kitaoka 120a6e
}  // namespace
Toshihiro Shimizu 890ddd
Toshihiro Shimizu 890ddd
//****************************************************************************************
Toshihiro Shimizu 890ddd
//    PlasticTool  functions
Toshihiro Shimizu 890ddd
//****************************************************************************************
Toshihiro Shimizu 890ddd
Shinya Kitaoka 120a6e
void PlasticTool::storeMeshImage() {
Shinya Kitaoka 120a6e
  TMeshImageP mi = getImage(false);
Toshihiro Shimizu 890ddd
Shinya Kitaoka 120a6e
  if (mi != m_mi) {
Shinya Kitaoka 120a6e
    m_mi = mi;
Shinya Kitaoka 120a6e
    clearMeshSelections();
Shinya Kitaoka 120a6e
  }
Toshihiro Shimizu 890ddd
}
Toshihiro Shimizu 890ddd
Toshihiro Shimizu 890ddd
//------------------------------------------------------------------------
Toshihiro Shimizu 890ddd
Shinya Kitaoka 120a6e
void PlasticTool::setMeshSelection(MeshSelection &target,
Shinya Kitaoka 120a6e
                                   const MeshSelection &newSel) {
Shinya Kitaoka 120a6e
  if (newSel.isEmpty()) {
Shinya Kitaoka 120a6e
    target.selectNone();
Shinya Kitaoka 120a6e
    target.makeNotCurrent();
Toshihiro Shimizu 890ddd
Shinya Kitaoka 120a6e
    return;
Shinya Kitaoka 120a6e
  }
Toshihiro Shimizu 890ddd
Shinya Kitaoka 120a6e
  target.setObjects(newSel.objects());
Toshihiro Shimizu 890ddd
Shinya Kitaoka 120a6e
  target.notifyView();
Shinya Kitaoka 120a6e
  target.makeCurrent();
Toshihiro Shimizu 890ddd
}
Toshihiro Shimizu 890ddd
Toshihiro Shimizu 890ddd
//------------------------------------------------------------------------
Toshihiro Shimizu 890ddd
Shinya Kitaoka 120a6e
void PlasticTool::toggleMeshSelection(MeshSelection &target,
Shinya Kitaoka 120a6e
                                      const MeshSelection &addition) {
Shinya Kitaoka 120a6e
  typedef MeshSelection::objects_container objects_container;
Shinya Kitaoka 120a6e
Shinya Kitaoka 120a6e
  const objects_container &storedIdxs = target.objects();
Shinya Kitaoka 120a6e
  const objects_container &addedIdxs  = addition.objects();
Shinya Kitaoka 120a6e
Shinya Kitaoka 120a6e
  // Build new selection
Shinya Kitaoka 120a6e
  objects_container selectedIdxs;
Shinya Kitaoka 120a6e
Shinya Kitaoka 120a6e
  if (target.contains(addition)) {
Shinya Kitaoka 120a6e
    std::set_difference(storedIdxs.begin(), storedIdxs.end(), addedIdxs.begin(),
Shinya Kitaoka 120a6e
                        addedIdxs.end(), std::back_inserter(selectedIdxs));
Shinya Kitaoka 120a6e
  } else {
Shinya Kitaoka 120a6e
    std::set_union(storedIdxs.begin(), storedIdxs.end(), addedIdxs.begin(),
Shinya Kitaoka 120a6e
                   addedIdxs.end(), std::back_inserter(selectedIdxs));
Shinya Kitaoka 120a6e
  }
Shinya Kitaoka 120a6e
Shinya Kitaoka 120a6e
  setMeshSelection(target, selectedIdxs);
Toshihiro Shimizu 890ddd
}
Toshihiro Shimizu 890ddd
Toshihiro Shimizu 890ddd
//------------------------------------------------------------------------
Toshihiro Shimizu 890ddd
Shinya Kitaoka 120a6e
void PlasticTool::clearMeshSelections() {
Shinya Kitaoka 120a6e
  m_mvHigh = m_meHigh = MeshIndex();
Toshihiro Shimizu 890ddd
Shinya Kitaoka 120a6e
  m_mvSel.selectNone();
Shinya Kitaoka 120a6e
  m_mvSel.makeNotCurrent();
Toshihiro Shimizu 890ddd
Shinya Kitaoka 120a6e
  m_meSel.selectNone();
Shinya Kitaoka 120a6e
  m_meSel.makeNotCurrent();
Toshihiro Shimizu 890ddd
}
Toshihiro Shimizu 890ddd
Toshihiro Shimizu 890ddd
//------------------------------------------------------------------------
Toshihiro Shimizu 890ddd
Shinya Kitaoka 120a6e
void PlasticTool::setMeshVertexesSelection(const MeshSelection &vSel) {
Shinya Kitaoka 120a6e
  setMeshSelection(m_meSel, MeshSelection()), setMeshSelection(m_mvSel, vSel);
Toshihiro Shimizu 890ddd
}
Toshihiro Shimizu 890ddd
Toshihiro Shimizu 890ddd
//------------------------------------------------------------------------
Toshihiro Shimizu 890ddd
Shinya Kitaoka 120a6e
void PlasticTool::toggleMeshVertexesSelection(const MeshSelection &vSel) {
Shinya Kitaoka 120a6e
  setMeshSelection(m_meSel, MeshSelection()),
Shinya Kitaoka 120a6e
      toggleMeshSelection(m_mvSel, vSel);
Toshihiro Shimizu 890ddd
}
Toshihiro Shimizu 890ddd
Toshihiro Shimizu 890ddd
//------------------------------------------------------------------------
Toshihiro Shimizu 890ddd
Shinya Kitaoka 120a6e
void PlasticTool::setMeshEdgesSelection(const MeshSelection &eSel) {
Shinya Kitaoka 120a6e
  setMeshSelection(m_meSel, eSel), setMeshSelection(m_mvSel, MeshSelection());
Toshihiro Shimizu 890ddd
}
Toshihiro Shimizu 890ddd
Toshihiro Shimizu 890ddd
//------------------------------------------------------------------------
Toshihiro Shimizu 890ddd
Shinya Kitaoka 120a6e
void PlasticTool::toggleMeshEdgesSelection(const MeshSelection &eSel) {
Shinya Kitaoka 120a6e
  toggleMeshSelection(m_meSel, eSel),
Shinya Kitaoka 120a6e
      setMeshSelection(m_mvSel, MeshSelection());
Toshihiro Shimizu 890ddd
}
Toshihiro Shimizu 890ddd
Toshihiro Shimizu 890ddd
//------------------------------------------------------------------------
Toshihiro Shimizu 890ddd
Shinya Kitaoka 120a6e
void PlasticTool::mouseMove_mesh(const TPointD &pos, const TMouseEvent &me) {
Shinya Kitaoka 120a6e
  // Track mouse position
Shinya Kitaoka 120a6e
  m_pos = pos;  // Needs to be done now - ensures m_pos is valid
Toshihiro Shimizu 890ddd
Shinya Kitaoka 120a6e
  m_mvHigh = MeshIndex();  // Reset highlighted primitives
Toshihiro Shimizu 890ddd
Shinya Kitaoka 120a6e
  if (m_mi) {
Shinya Kitaoka 120a6e
    // Look for nearest primitive
Shinya Kitaoka 120a6e
    std::pair<double, meshindex=""> closestVertex = ::closestVertex(*m_mi, pos),</double,>
Shinya Kitaoka 120a6e
                                 closestEdge = ::closestEdge(*m_mi, pos);
Toshihiro Shimizu 890ddd
Shinya Kitaoka 120a6e
    // Discriminate on fixed metric
Shinya Kitaoka 120a6e
    const double hDistSq = sq(getPixelSize() * MESH_HIGHLIGHT_DISTANCE);
Toshihiro Shimizu 890ddd
Shinya Kitaoka 120a6e
    m_mvHigh = m_meHigh = MeshIndex();
Toshihiro Shimizu 890ddd
Shinya Kitaoka 120a6e
    if (closestEdge.first < hDistSq) m_meHigh = closestEdge.second;
Toshihiro Shimizu 890ddd
Shinya Kitaoka 120a6e
    if (closestVertex.first < hDistSq)
Shinya Kitaoka 120a6e
      m_mvHigh = closestVertex.second, m_meHigh = MeshIndex();
Shinya Kitaoka 120a6e
  }
Toshihiro Shimizu 890ddd
Shinya Kitaoka 120a6e
  assert(!(m_mvHigh &&
Shinya Kitaoka 120a6e
           m_meHigh));  // Vertex and edge highlights are mutually exclusive
Toshihiro Shimizu 890ddd
Shinya Kitaoka 120a6e
  invalidate();
Toshihiro Shimizu 890ddd
}
Toshihiro Shimizu 890ddd
Toshihiro Shimizu 890ddd
//------------------------------------------------------------------------
Toshihiro Shimizu 890ddd
Shinya Kitaoka 120a6e
void PlasticTool::leftButtonDown_mesh(const TPointD &pos,
Shinya Kitaoka 120a6e
                                      const TMouseEvent &me) {
Shinya Kitaoka 120a6e
  struct Locals {
Shinya Kitaoka 120a6e
    PlasticTool *m_this;
Shinya Kitaoka 120a6e
Shinya Kitaoka 120a6e
    void updateSelection(MeshSelection &sel, const MeshIndex &idx,
Shinya Kitaoka 120a6e
                         const TMouseEvent &me) {
Shinya Kitaoka 120a6e
      if (idx) {
Shinya Kitaoka 120a6e
        MeshSelection newSel(idx);
Shinya Kitaoka 120a6e
Shinya Kitaoka 120a6e
        if (me.isCtrlPressed())
Shinya Kitaoka 120a6e
          m_this->toggleMeshSelection(sel, newSel);
Shinya Kitaoka 120a6e
        else if (!sel.contains(newSel))
Shinya Kitaoka 120a6e
          m_this->setMeshSelection(sel, newSel);
Shinya Kitaoka 120a6e
      } else
Shinya Kitaoka 120a6e
        m_this->setMeshSelection(sel, MeshSelection());
Shinya Kitaoka 120a6e
    }
Shinya Kitaoka 120a6e
  } locals = {this};
Shinya Kitaoka 120a6e
Shinya Kitaoka 120a6e
  // Track mouse position
Shinya Kitaoka 120a6e
  m_pressedPos = m_pos = pos;
Shinya Kitaoka 120a6e
Shinya Kitaoka 120a6e
  // Update selection
Shinya Kitaoka 120a6e
  locals.updateSelection(m_mvSel, m_mvHigh, me);
Shinya Kitaoka 120a6e
  locals.updateSelection(m_meSel, m_meHigh, me);
Shinya Kitaoka 120a6e
Shinya Kitaoka 120a6e
  // Store original vertex positions
Shinya Kitaoka 120a6e
  if (!m_mvSel.isEmpty()) {
otakuto e347ad
    std::vector<tpointd> v;</tpointd>
otakuto e347ad
    for (auto const &e : m_mvSel.objects()) {
otakuto e347ad
      v.push_back(m_mi->meshes()[e.m_meshIdx]->vertex(e.m_idx).P());
otakuto e347ad
    }
otakuto e347ad
    m_pressedVxsPos = std::move(v);
Shinya Kitaoka 120a6e
  }
Shinya Kitaoka 120a6e
Shinya Kitaoka 120a6e
  // Redraw selections
Shinya Kitaoka 120a6e
  invalidate();
Toshihiro Shimizu 890ddd
}
Toshihiro Shimizu 890ddd
Toshihiro Shimizu 890ddd
//------------------------------------------------------------------------
Toshihiro Shimizu 890ddd
Shinya Kitaoka 120a6e
void PlasticTool::leftButtonDrag_mesh(const TPointD &pos,
Shinya Kitaoka 120a6e
                                      const TMouseEvent &me) {
Shinya Kitaoka 120a6e
  // Track mouse position
Shinya Kitaoka 120a6e
  m_pos = pos;
Toshihiro Shimizu 890ddd
Shinya Kitaoka 120a6e
  if (!m_mvSel.isEmpty()) {
Shinya Kitaoka 120a6e
    moveVertex_mesh(m_pressedVxsPos, pos - m_pressedPos);
Shinya Kitaoka 120a6e
    invalidate();
Shinya Kitaoka 120a6e
  }
Toshihiro Shimizu 890ddd
}
Toshihiro Shimizu 890ddd
Toshihiro Shimizu 890ddd
//------------------------------------------------------------------------
Toshihiro Shimizu 890ddd
Shinya Kitaoka 120a6e
void PlasticTool::leftButtonUp_mesh(const TPointD &pos, const TMouseEvent &me) {
Shinya Kitaoka 120a6e
  // Track mouse position
Shinya Kitaoka 120a6e
  m_pos = pos;
Toshihiro Shimizu 890ddd
Shinya Kitaoka 120a6e
  if (m_dragged && !m_mvSel.isEmpty()) {
Shinya Kitaoka 120a6e
    TUndoManager::manager()->add(new MoveVertexUndo_Mesh(
Shinya Kitaoka 120a6e
        m_mvSel.objects(), m_pressedVxsPos, pos - m_pressedPos));
Toshihiro Shimizu 890ddd
Shinya Kitaoka 120a6e
    invalidate();
Shinya Kitaoka 120a6e
    notifyImageChanged();  // Sets the level's dirty flag      -.-'
Shinya Kitaoka 120a6e
  }
Toshihiro Shimizu 890ddd
}
Toshihiro Shimizu 890ddd
Toshihiro Shimizu 890ddd
//------------------------------------------------------------------------
Toshihiro Shimizu 890ddd
Shinya Kitaoka 120a6e
void PlasticTool::addContextMenuActions_mesh(QMenu *menu) {
Shinya Kitaoka 120a6e
  bool ret = true;
Shinya Kitaoka 120a6e
Shinya Kitaoka 120a6e
  if (!m_meSel.isEmpty()) {
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    if (m_meSel.hasSingleObject()) {
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      const MeshIndex &mIdx    = m_meSel.objects().front();
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      const TTextureMesh &mesh = *m_mi->meshes()[mIdx.m_meshIdx];
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      if (::testSwapEdge(mesh, mIdx.m_idx)) {
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        QAction *swapEdge = menu->addAction(tr("Swap Edge"));
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        ret = ret && connect(swapEdge, SIGNAL(triggered()), &l_plasticTool,
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                             SLOT(swapEdge_mesh_undo()));
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      }
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      if (::testCollapseEdge(mesh, mIdx.m_idx)) {
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        QAction *collapseEdge = menu->addAction(tr("Collapse Edge"));
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        ret = ret && connect(collapseEdge, SIGNAL(triggered()), &l_plasticTool,
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                             SLOT(collapseEdge_mesh_undo()));
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      }
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      QAction *splitEdge = menu->addAction(tr("Split Edge"));
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      ret = ret && connect(splitEdge, SIGNAL(triggered()), &l_plasticTool,
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                           SLOT(splitEdge_mesh_undo()));
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    }
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    if (::testCutMesh(*m_mi, m_meSel)) {
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      QAction *cutEdges = menu->addAction(tr("Cut Mesh"));
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      ret = ret && connect(cutEdges, SIGNAL(triggered()), &l_plasticTool,
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                           SLOT(cutEdges_mesh_undo()));
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    }
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    menu->addSeparator();
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  }
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  assert(ret);
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}
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//------------------------------------------------------------------------
Toshihiro Shimizu 890ddd
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void PlasticTool::moveVertex_mesh(const std::vector<tpointd> &origVxsPos,</tpointd>
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                                  const TPointD &posShift) {
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  if (m_mvSel.isEmpty() || !m_mi) return;
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  assert(origVxsPos.size() == m_mvSel.objects().size());
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  // Move selected vertices
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  TMeshImageP mi = getImage(true);
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  assert(m_mi == mi);
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  int v, vCount = int(m_mvSel.objects().size());
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  for (v = 0; v != vCount; ++v) {
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    const MeshIndex &meshIndex = m_mvSel.objects()[v];
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    TTextureMesh &mesh               = *mi->meshes()[meshIndex.m_meshIdx];
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    mesh.vertex(meshIndex.m_idx).P() = origVxsPos[v] + posShift;
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  }
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  // Mesh must be recompiled
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  PlasticDeformerStorage::instance()->invalidateMeshImage(
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      mi.getPointer(), PlasticDeformerStorage::MESH);
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}
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//------------------------------------------------------------------------
Toshihiro Shimizu 890ddd
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void PlasticTool::swapEdge_mesh_undo() {
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  if (!(m_mi && m_meSel.hasSingleObject())) return;
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  // Test current edge swapability
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  {
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    const MeshIndex &eIdx    = m_meSel.objects().front();
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    const TTextureMesh &mesh = *m_mi->meshes()[eIdx.m_meshIdx];
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    if (!::testSwapEdge(mesh, eIdx.m_idx)) return;
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  }
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  // Perform operation
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  std::unique_ptr<tundo> undo(new SwapEdgeUndo(m_meSel.objects().front()));</tundo>
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  undo->redo();
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  TUndoManager::manager()->add(undo.release());
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}
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//------------------------------------------------------------------------
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void PlasticTool::collapseEdge_mesh_undo() {
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  if (!(m_mi && m_meSel.hasSingleObject())) return;
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  // Test collapsibility of current edge
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  {
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    const MeshIndex &eIdx    = m_meSel.objects().front();
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    const TTextureMesh &mesh = *m_mi->meshes()[eIdx.m_meshIdx];
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    if (!::testCollapseEdge(mesh, eIdx.m_idx)) return;
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  }
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  // Perform operation
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  std::unique_ptr<tundo> undo(new CollapseEdgeUndo(m_meSel.objects().front()));</tundo>
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  undo->redo();
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  TUndoManager::manager()->add(undo.release());
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}
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//------------------------------------------------------------------------
Toshihiro Shimizu 890ddd
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void PlasticTool::splitEdge_mesh_undo() {
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  if (!(m_mi && m_meSel.hasSingleObject())) return;
Toshihiro Shimizu 890ddd
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  std::unique_ptr<tundo> undo(new SplitEdgeUndo(m_meSel.objects().front()));</tundo>
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  undo->redo();
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  TUndoManager::manager()->add(undo.release());
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}
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//------------------------------------------------------------------------
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void PlasticTool::cutEdges_mesh_undo() {
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  if (!m_mi) return;
Toshihiro Shimizu 890ddd
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  std::unique_ptr<cutedgesundo> undo(new CutEdgesUndo(m_meSel.objects()));</cutedgesundo>
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  if (undo->do_()) TUndoManager::manager()->add(undo.release());
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}
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//------------------------------------------------------------------------
Toshihiro Shimizu 890ddd
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void PlasticTool::draw_mesh() {
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  struct Locals {
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    PlasticTool *m_this;
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    double m_pixelSize;
Toshihiro Shimizu 890ddd
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    void drawLine(const TPointD &a, const TPointD &b) {
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      glVertex2d(a.x, a.y);
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      glVertex2d(b.x, b.y);
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    }
Toshihiro Shimizu 890ddd
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    void drawVertexSelections() {
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      typedef MeshSelection::objects_container objects_container;
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      const objects_container &objects = m_this->m_mvSel.objects();
Toshihiro Shimizu 890ddd
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      glColor3ub(255, 0, 0);  // Red
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      glLineWidth(1.0f);
Toshihiro Shimizu 890ddd
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      const double hSize = MESH_SELECTED_HANDLE_SIZE * m_pixelSize;
Toshihiro Shimizu 890ddd
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      objects_container::const_iterator vt, vEnd = objects.end();
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      for (vt = objects.begin(); vt != vEnd; ++vt) {
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        const TTextureVertex &vx =
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            m_this->m_mi->meshes()[vt->m_meshIdx]->vertex(vt->m_idx);
Toshihiro Shimizu 890ddd
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        ::drawFullSquare(vx.P(), hSize);
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      }
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    }
Toshihiro Shimizu 890ddd
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    void drawEdgeSelections() {
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      typedef MeshSelection::objects_container objects_container;
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      const objects_container &objects = m_this->m_meSel.objects();
Toshihiro Shimizu 890ddd
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      glColor3ub(0, 0, 255);  // Blue
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      glLineWidth(2.0f);
Toshihiro Shimizu 890ddd
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      glBegin(GL_LINES);
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      objects_container::const_iterator et, eEnd = objects.end();
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      for (et = objects.begin(); et != eEnd; ++et) {
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        const TTextureVertex
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            &vx0 =
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                m_this->m_mi->meshes()[et->m_meshIdx]->edgeVertex(et->m_idx, 0),
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            &vx1 =
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                m_this->m_mi->meshes()[et->m_meshIdx]->edgeVertex(et->m_idx, 1);
Toshihiro Shimizu 890ddd
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        drawLine(vx0.P(), vx1.P());
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      }
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      glEnd();
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    }
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    void drawVertexHighlights() {
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      if (m_this->m_mvHigh) {
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        const MeshIndex &vHigh = m_this->m_mvHigh;
Toshihiro Shimizu 890ddd
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        const TTextureMesh::vertex_type &vx =
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            m_this->m_mi->meshes()[vHigh.m_meshIdx]->vertex(vHigh.m_idx);
Toshihiro Shimizu 890ddd
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        glColor3ub(255, 0, 0);  // Red
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        glLineWidth(1.0f);
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        const double hSize = MESH_HIGHLIGHTED_HANDLE_SIZE * m_pixelSize;
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        ::drawSquare(vx.P(), hSize);
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      }
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    }
Toshihiro Shimizu 890ddd
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    void drawEdgeHighlights() {
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      if (m_this->m_meHigh) {
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        const MeshIndex &eHigh = m_this->m_meHigh;
Toshihiro Shimizu 890ddd
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        const TTextureMesh::vertex_type
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            &vx0 = m_this->m_mi->meshes()[eHigh.m_meshIdx]->edgeVertex(
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                eHigh.m_idx, 0),
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            &vx1 = m_this->m_mi->meshes()[eHigh.m_meshIdx]->edgeVertex(
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                eHigh.m_idx, 1);
Toshihiro Shimizu 890ddd
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        {
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          glPushAttrib(GL_LINE_BIT);
Toshihiro Shimizu 890ddd
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          glEnable(GL_LINE_STIPPLE);
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          glLineStipple(1, 0xCCCC);
Toshihiro Shimizu 890ddd
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          glColor3ub(0, 0, 255);  // Blue
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          glLineWidth(1.0f);
Toshihiro Shimizu 890ddd
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          glBegin(GL_LINES);
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          drawLine(vx0.P(), vx1.P());
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          glEnd();
Toshihiro Shimizu 890ddd
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          glPopAttrib();
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        }
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      }
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    }
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  } locals = {this, getPixelSize()};
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  // The selected mesh image is already drawn by the stage
Toshihiro Shimizu 890ddd
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  // Draw additional overlays
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  if (m_mi) {
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    locals.drawVertexSelections();
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    locals.drawEdgeSelections();
Toshihiro Shimizu 890ddd
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    locals.drawVertexHighlights();
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    locals.drawEdgeHighlights();
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  }
Toshihiro Shimizu 890ddd
}