Exemplo n.º 1
0
void CrossSectionMouseProc::DrawCrossing(HWND hWnd)
	{
	if (mShapeData == NULL) return;

	BezierShape *shape = mShapeData->TempData(es)->GetShape(ip->GetTime());
	if (shape == NULL) return;

	int polys = mSelectedSplines.Count();
	if (polys <= 0) return;

	Spline3D *spline = shape->GetSpline(mSelectedSplines[polys-1]);
	int knots = spline->KnotCount();
	Point3 p(0.0f, 0.0f, 0.0f);
	IPoint3 sp;

	ViewExp *vpt = ip->GetViewport(hWnd);
	GraphicsWindow *gw = vpt->getGW();
	ip->ReleaseViewport(vpt);
	gw->setTransform(mObjToWorldTM);

	HDC hdc = GetDC(hWnd);
	SetROP2(hdc, R2_XORPEN);
	SetBkMode(hdc, TRANSPARENT);
	SelectObject(hdc,CreatePen(PS_DOT, 0, ComputeViewportXORDrawColor()));
	for (int i = 0, j = 0; i < 2 && i <= j; i++, j += (knots-1)) {
		if (knots > i) p = spline->GetKnotPoint(j);
		gw->wTransPoint(&p, &sp);
		MoveToEx(hdc,sp.x,sp.y,NULL);
		LineTo(hdc,mMouse.x,mMouse.y);
		}
	DeleteObject(SelectObject(hdc,GetStockObject(BLACK_PEN)));
	ReleaseDC(hWnd, hdc);
	}
Exemplo n.º 2
0
bool AlembicCurves::Save(double time, bool bLastFrame)
{
    ESS_PROFILE_FUNC();

    //TimeValue ticks = GET_MAX_INTERFACE()->GetTime();
    TimeValue ticks = GetTimeValueFromFrame(time);
	Object *obj = mMaxNode->EvalWorldState(ticks).obj;
	if(mNumSamples == 0){
		bForever = CheckIfObjIsValidForever(obj, ticks);
	}
	else{
		bool bNewForever = CheckIfObjIsValidForever(obj, ticks);
		if(bForever && bNewForever != bForever){
			ESS_LOG_INFO( "bForever has changed" );
		}
	}

	SaveMetaData(mMaxNode, this);

    // check if the spline is animated
    if(mNumSamples > 0) 
    {
        if(bForever)
        {
            return true;
        }
    }

    AbcG::OCurvesSchema::Sample curvesSample;

	std::vector<AbcA::int32_t> nbVertices;
    std::vector<Point3> vertices;
    std::vector<float> knotVector;
    std::vector<Abc::uint16_t> orders;

    if(obj->ClassID() == EDITABLE_SURF_CLASS_ID){

       NURBSSet nurbsSet;   
       BOOL success = GetNURBSSet(obj, ticks, nurbsSet, TRUE);   

       AbcG::CurvePeriodicity cPeriod = AbcG::kNonPeriodic;
       AbcG::CurveType cType = AbcG::kCubic;
       AbcG::BasisType cBasis = AbcG::kNoBasis;

       int n = nurbsSet.GetNumObjects();
       for(int i=0; i<n; i++){
          NURBSObject* pObject = nurbsSet.GetNURBSObject((int)i);

          //NURBSType type = pObject->GetType();
          if(!pObject){
             continue;
          }

          if( pObject->GetKind() == kNURBSCurve ){
             NURBSCurve* pNurbsCurve = (NURBSCurve*)pObject;

             int degree;
             int numCVs;
             NURBSCVTab cvs;
			 int numKnots;
		     NURBSKnotTab knots;
             pNurbsCurve->GetNURBSData(ticks, degree, numCVs, cvs, numKnots, knots);

             orders.push_back(degree+1);

             const int cvsCount = cvs.Count();
             const int knotCount = knots.Count();

             for(int j=0; j<cvs.Count(); j++){
                NURBSControlVertex cv = cvs[j];
                double x, y, z;
                cv.GetPosition(ticks, x, y, z);
                vertices.push_back( Point3((float)x, (float)y, (float)z) );
             }

             nbVertices.push_back(cvsCount);

             //skip the first and last entry because Maya and XSI use this format
             for(int j=1; j<knots.Count()-1; j++){
                knotVector.push_back((float)knots[j]);
             }

             if(i == 0){
                if(pNurbsCurve->IsClosed()){
                   cPeriod = AbcG::kPeriodic;
                }  
             }
             else{
                if(pNurbsCurve->IsClosed()){
                   if(cPeriod != AbcG::kPeriodic){
                      ESS_LOG_WARNING("Mixed curve wrap types not supported.");
                   }
                }
                else{
                   if(cPeriod != AbcG::kNonPeriodic){
                      ESS_LOG_WARNING("Mixed curve wrap types not supported.");
                   }
                }
             }

          }
          
       }
       

       curvesSample.setType(cType);
       curvesSample.setWrap(cPeriod);
       curvesSample.setBasis(cBasis);
    }
    else
    {
          BezierShape beziershape;
          PolyShape polyShape;
          bool bBezier = false;

          // Get a pointer to the spline shpae
          ShapeObject *pShapeObject = NULL;
          if (obj->IsShapeObject())
          {
              pShapeObject = reinterpret_cast<ShapeObject *>(obj);
          }
          else
          {
              return false;
          }

          // Determine if we are a bezier shape
          if (pShapeObject->CanMakeBezier())
          {
              pShapeObject->MakeBezier(ticks, beziershape);
              bBezier = true;
          }
          else
          {
              pShapeObject->MakePolyShape(ticks, polyShape);
              bBezier = false;
          }

          // Get the control points

          //std::vector<Point3> inTangents;
	      //std::vector<Point3> outTangents;
          if (bBezier)
          {
              int oldVerticesCount = (int)vertices.size();
              for (int i = 0; i < beziershape.SplineCount(); i += 1)
              {
                  Spline3D *pSpline = beziershape.GetSpline(i);
                  int knots = pSpline->KnotCount();
                  for(int ix = 0; ix < knots; ++ix) 
                  {
                      Point3 in = pSpline->GetInVec(ix);
                      Point3 p = pSpline->GetKnotPoint(ix);
                      Point3 out = pSpline->GetOutVec(ix);

                      vertices.push_back( p );
				      //inTangents.push_back( in );
				      //outTangents.push_back( out );
                  }

                  int nNumVerticesAdded = (int)vertices.size() - oldVerticesCount;
                  nbVertices.push_back( nNumVerticesAdded );
                  oldVerticesCount = (int)vertices.size();
              }
          }
          else
          {
              for (int i = 0; i < polyShape.numLines; i += 1)
              {
                  PolyLine &refLine = polyShape.lines[i];
                  nbVertices.push_back(refLine.numPts);
                  for (int j = 0; j < refLine.numPts; j += 1)
                  {
                      Point3 p = refLine.pts[j].p;
                      vertices.push_back(p);
                  }
              }
          }

          // set the type + wrapping
	      curvesSample.setType(bBezier ? AbcG::kCubic : AbcG::kLinear);
          curvesSample.setWrap(pShapeObject->CurveClosed(ticks, 0) ? AbcG::kPeriodic : AbcG::kNonPeriodic);
          curvesSample.setBasis(AbcG::kNoBasis);
    }

    if(nbVertices.size() == 0 || vertices.size() == 0){
       ESS_LOG_WARNING("No curve data to export.");
       return false;
    }
 

    const int vertCount = (int)vertices.size();

    // prepare the bounding box
    Abc::Box3d bbox;

    // allocate the points and normals
    std::vector<Abc::V3f> posVec(vertCount);
    Matrix3 wm = mMaxNode->GetObjTMAfterWSM(ticks);

    for(int i=0;i<vertCount;i++)
    {
        posVec[i] = ConvertMaxPointToAlembicPoint(vertices[i] );
        bbox.extendBy(posVec[i]);

        // Set the archive bounding box
        if (mJob)
        {
            Point3 worldMaxPoint = wm * vertices[i];
            Abc::V3f alembicWorldPoint = ConvertMaxPointToAlembicPoint(worldMaxPoint);
            mJob->GetArchiveBBox().extendBy(alembicWorldPoint);
        }
    }

    if(knotVector.size() > 0 && orders.size() > 0){
       if(!mKnotVectorProperty.valid()){
          mKnotVectorProperty = Abc::OFloatArrayProperty(mCurvesSchema.getArbGeomParams(), ".knot_vector", mCurvesSchema.getMetaData(), mJob->GetAnimatedTs() );
       }
       mKnotVectorProperty.set(Abc::FloatArraySample(knotVector));

       if(!mOrdersProperty.valid()){
          mOrdersProperty = Abc::OUInt16ArrayProperty(mCurvesSchema.getArbGeomParams(), ".orders", mCurvesSchema.getMetaData(), mJob->GetAnimatedTs() );
       }
       mOrdersProperty.set(Abc::UInt16ArraySample(orders));
    }

    // store the bbox
    curvesSample.setSelfBounds(bbox);
	mCurvesSchema.getChildBoundsProperty().set(bbox);

 
    Abc::Int32ArraySample nbVerticesSample(&nbVertices.front(),nbVertices.size());
    curvesSample.setCurvesNumVertices(nbVerticesSample);


 
    // allocate for the points and normals
    Abc::P3fArraySample posSample(&posVec.front(),posVec.size());
	curvesSample.setPositions(posSample);


    mCurvesSchema.set(curvesSample);

   mNumSamples++;

   return true;
}
Exemplo n.º 3
0
void SWrapMod::ModifyObject(
		TimeValue t, ModContext &mc, ObjectState *os, INode *node)
{	SWrapObject *obj = (SWrapObject *)GetWSMObject(t);
	INode *pnode;
	TriObject *towrapOb=NULL;Object *pobj=NULL;
	if (obj) pnode=obj->custnode;
	if (obj && nodeRef && pnode) 
	{	Interval valid = FOREVER;
		if (!obj->cmValid.InInterval(t))
		{   pobj = pnode->EvalWorldState(t).obj;
			obj->cmValid=pobj->ObjectValidity(t);
			Matrix3 tm=pnode->GetObjectTM(t,&(obj->cmValid));
			TriObject *wrapOb=IsUseable(pobj,t);
			if (wrapOb)
			{ if (obj->cmesh) delete obj->cmesh; 
			  obj->cmesh=new Mesh;
			   obj->cmesh->DeepCopy(&wrapOb->GetMesh(),
			     PART_GEOM|SELECT_CHANNEL|PART_SUBSEL_TYPE|PART_TOPO|TM_CHANNEL);
			   for (int ic=0;ic<obj->cmesh->getNumVerts();ic++)
			     obj->cmesh->verts[ic]=obj->cmesh->verts[ic]*tm;
			  GetVFLst(obj->cmesh,&obj->vnorms,&obj->fnorms);
			  if (wrapOb!=pobj) wrapOb->DeleteThis();
			}
 		}
		if (!obj->cmesh) return;
		if ((obj->cmesh->getNumVerts()==0)||(obj->cmesh->getNumFaces()==0)) 
			return;		 
//		Matrix3 invtm=Inverse(obj->tm);
		valid=obj->cmValid;
		Matrix3 ctm;
		ctm = nodeRef->GetNodeTM(t,&valid);
		Ray ray;
		Point3 v=-ctm.GetRow(2);
//		Matrix3 nooff=invtm;nooff.NoTrans();
		ray.dir=v;//*nooff;
		int selverts;
		float kdef,standoff;
		obj->pblock->GetValue(PB_USESELVERTS,t,selverts,valid);
		obj->pblock->GetValue(PB_KIDEFAULT,t,kdef,valid);
		obj->pblock->GetValue(PB_STANDOFF,t,standoff,valid);
		BezierShape stowrapOb;
		int found=0;
		Matrix3 towtm(1);
		if (os->GetTM()) 
			towtm=*(os->GetTM());
		Matrix3 invtowtm=Inverse(towtm);
		Point3 vert;
		Class_ID cid=os->obj->ClassID(),es=EDITABLE_SURF_CLASS_ID,efp=FITPOINT_PLANE_CLASS_ID,ecv=EDITABLE_CVCURVE_CLASS_ID,ecfp=EDITABLE_FPCURVE_CLASS_ID;
		if (((cid==EDITABLE_SURF_CLASS_ID)||(cid==FITPOINT_PLANE_CLASS_ID))||((cid==EDITABLE_CVCURVE_CLASS_ID)||(cid==EDITABLE_FPCURVE_CLASS_ID)))
		{ Object* nurbobj=os->obj;
		  int num=nurbobj->NumPoints();
		  for (int i=0;i<num;i++)
		  {	vert=DoIntersect(nurbobj->GetPoint(i)*towtm,ray,obj->cmesh,kdef,standoff,&found,v,obj->vnorms,obj->fnorms); 
		    nurbobj->SetPoint(i,(vert*invtowtm));
		  }
		}
#ifndef NO_PATCHES
		else if (os->obj->IsSubClassOf(patchObjectClassID))
		{ PatchObject* patchob=(PatchObject *)os->obj;
		  PatchMesh *pm=&(patchob->patch);
		  int nv=pm->getNumVerts();
		  BitArray sel = pm->VertSel();
		  for (int i=0;i<nv;i++)
		  { if (!selverts||sel[i])
			{ vert=DoIntersect(pm->getVert(i).p*towtm,ray,obj->cmesh,kdef,standoff,&found,v,obj->vnorms,obj->fnorms); 
		      vert=vert*invtowtm;
		      pm->setVert(i,vert);
			}
		  }
/*		  pm->buildLinkages();
		  pm->computeInteriors();
		  pm->InvalidateGeomCache();*/
		}
#endif // NO_PATCHES
		else if (towrapOb=IsUseable(os->obj,t))
		{	Point3 tvector;
			float dist;
			float *vssel = NULL;
		  if (selverts) 
			  vssel = towrapOb->GetMesh().getVSelectionWeights();
		  for (int i=0;i<towrapOb->GetMesh().getNumVerts();i++)
		  { 
				if ((!selverts)||(towrapOb->GetMesh().vertSel[i])
							   ||(vssel&&vssel[i]))
				{
					vert = DoIntersect(towrapOb->GetMesh().verts[i]*towtm,ray,obj->cmesh,kdef,standoff,&found,v,obj->vnorms,obj->fnorms); 
					vert = vert*invtowtm;
					if (vssel&&vssel[i])
					{
						tvector = vert - towrapOb->GetMesh().verts[i];
						dist = Length(tvector);
						if ((float)fabs(dist) > EPSILON)
							tvector = tvector/dist;
						else
							tvector = Zero;
						vert = towrapOb->GetMesh().verts[i] + dist*vssel[i]*tvector;
					}
					towrapOb->GetMesh().verts[i] = vert;
				}
		  }
		  if (towrapOb!=os->obj) 
			  towrapOb->DeleteThis();
		}
		else if((os->obj->IsSubClassOf(splineShapeClassID))||(os->obj->CanConvertToType(splineShapeClassID))) 
		{ SplineShape *attSplShape = (SplineShape *)os->obj->ConvertToType(t,splineShapeClassID);
		if (attSplShape) 
		{ stowrapOb=attSplShape->shape;
		  for (int poly=0; poly<stowrapOb.splineCount; ++poly)
		  { Spline3D *spline = stowrapOb.GetSpline(poly);
			int verts = spline->Verts();
			int knots = spline->KnotCount();
			BitArray sel = stowrapOb.VertexTempSel(poly);
			Point3 cknot,cknot2;
			{ for(int k=0; k<knots; ++k) 
			  {	int vert = k * 3 + 1;
				if (!selverts||sel[vert])  
				{ cknot=DoIntersect(spline->GetKnotPoint(k)*towtm,ray,obj->cmesh,kdef,standoff,&found,v,obj->vnorms,obj->fnorms);
				  attSplShape->shape.SetVert(poly,vert,cknot*invtowtm);
				  if (found)
				  { int knotType = spline->GetKnotType(k);
				    if(knotType & KTYPE_BEZIER) 
				    { cknot2= DoIntersect(spline->GetInVec(k)*towtm,ray,obj->cmesh,kdef,standoff,&found,v,obj->vnorms,obj->fnorms);
					attSplShape->shape.SetVert(poly,vert-1,(found?cknot2:cknot)*invtowtm);
				  	  cknot2= DoIntersect(spline->GetOutVec(k)*towtm,ray,obj->cmesh,kdef,standoff,&found,v,obj->vnorms,obj->fnorms);
					  attSplShape->shape.SetVert(poly,vert+1,(found?cknot2:cknot)*invtowtm);
					}
				  }
				}
			  }
			}
		  }
		  if (attSplShape!=os->obj) attSplShape->DeleteThis();
		}
	  }
//	os->obj->PointsWereChanged();
	os->obj->UpdateValidity(GEOM_CHAN_NUM,valid);	
//	NotifyDependents(FOREVER, PART_ALL, REFMSG_CHANGE);

  }
}