int
APITestUtil::MakeTestCVSurface(NURBSSet &nset, Matrix3 mat, BOOL rigid)
{
NURBSCVSurface *s = new NURBSCVSurface();
s->SetRigid(rigid);
s->SetName(GetString(IDS_CV_SURFACE));
s->SetNumCVs(4, 4);
s->SetUOrder(4);
s->SetVOrder(4);
s->SetNumUKnots(8);
s->SetNumVKnots(8);
for (int k = 0; k < 4; k++) {
s->SetUKnot(k, 0.0);
s->SetVKnot(k, 0.0);
s->SetUKnot(k+4, 1.0);
s->SetVKnot(k+4, 1.0);
}
NURBSControlVertex cv;
for (int u = 0; u < 4; u++) {
float up = 100.0f * ((float)u/3.0f);
for (int v = 0; v < 4; v++) {
float vp = 100.0f * ((float)v/3.0f);
cv.SetPosition(0, mat * Point3(-150.0f + up, -100.0f + vp, 0.0f));
TCHAR name[20];
_stprintf(name, _T("%s[%d,%d]"), GetString(IDS_CV), u, v);
cv.SetName(name);
s->SetCV(u, v, cv);
}
}
return nset.AppendObject(s);
}
static void
AddObjectsForBreakTests(NURBSSet &nset, int &c1, int &s1)
{
NURBSCVCurve *c = new NURBSCVCurve();
c->SetName(GetString(IDS_BREAK_CURVE));
c->SetNumCVs(4);
c->SetOrder(4);
c->SetNumKnots(8);
for (int k = 0; k < 4; k++) {
c->SetKnot(k, 0.0);
c->SetKnot(k+4, 1.0);
}
NURBSControlVertex cv;
cv.SetPosition(0, Point3(200, 0, 50));
c->SetCV(0, cv);
cv.SetPosition(0, Point3(300, 0, 50));
c->SetCV(1, cv);
cv.SetPosition(0, Point3(300, -100, 50));
c->SetCV(2, cv);
cv.SetPosition(0, Point3(200, -100, 50));
c->SetCV(3, cv);
c1 = nset.AppendObject(c);
NURBSCVSurface *s = new NURBSCVSurface();
s->SetName(GetString(IDS_BREAK_SURFACE));
s->SetNumCVs(4, 4);
s->SetUOrder(4);
s->SetVOrder(4);
s->SetNumUKnots(8);
s->SetNumVKnots(8);
for (k = 0; k < 4; k++) {
s->SetUKnot(k, 0.0);
s->SetVKnot(k, 0.0);
s->SetUKnot(k+4, 1.0);
s->SetVKnot(k+4, 1.0);
}
for (int u = 0; u < 4; u++) {
float up = 100.0f * ((float)u/3.0f);
for (int v = 0; v < 4; v++) {
float vp = 100.0f * ((float)v/3.0f);
cv.SetPosition(0, Point3(-150.0f + up, -100.0f + vp, -200.0f));
s->SetCV(u, v, cv);
}
}
s1 = nset.AppendObject(s);
}
Object*
BuildNURBSPrism(float side1, float side2, float side3, float height, int genUVs)
{
float s13len=side1*side3;
float theta = (float)acos((side2*side2 - side1*side1 - side3*side3)/(-2.0f*s13len));
int prism_faces[5][4] = {{0, 1, 2, 2}, // bottom
{1, 0, 4, 3}, // front
{2, 1, 5, 4}, // left
{0, 2, 3, 5}, // right
{4, 3, 5, 5}};// top
Point3 prism_verts[6] ={Point3(0.0f, 0.0f, 0.0f),
Point3(side1, 0.0f, 0.0f),
Point3(side3*(float)cos(theta), side3*(float)sin(theta), 0.0f),
Point3(0.0f, 0.0f, height),
Point3(side1, 0.0f, height),
Point3(side3*(float)cos(theta), side3*(float)sin(theta), height)};
NURBSSet nset;
for (int face = 0; face < 5; face++) {
Point3 bl = prism_verts[prism_faces[face][0]];
Point3 br = prism_verts[prism_faces[face][1]];
Point3 tl = prism_verts[prism_faces[face][2]];
Point3 tr = prism_verts[prism_faces[face][3]];
NURBSCVSurface *surf = new NURBSCVSurface();
nset.AppendObject(surf);
surf->SetUOrder(4);
surf->SetVOrder(4);
surf->SetNumCVs(4, 4);
surf->SetNumUKnots(8);
surf->SetNumVKnots(8);
Point3 top, bot;
for (int r = 0; r < 4; r++) {
top = tl + (((float)r/3.0f) * (tr - tl));
bot = bl + (((float)r/3.0f) * (br - bl));
for (int c = 0; c < 4; c++) {
NURBSControlVertex ncv;
ncv.SetPosition(0, bot + (((float)c/3.0f) * (top - bot)));
ncv.SetWeight(0, 1.0f);
surf->SetCV(r, c, ncv);
}
}
for (int k = 0; k < 4; k++) {
surf->SetUKnot(k, 0.0);
surf->SetVKnot(k, 0.0);
surf->SetUKnot(k + 4, 1.0);
surf->SetVKnot(k + 4, 1.0);
}
surf->Renderable(TRUE);
surf->SetGenerateUVs(genUVs);
if (height > 0.0f)
surf->FlipNormals(TRUE);
else
surf->FlipNormals(FALSE);
float sum = side1 + side2 + side3;
float s1 = side1/sum;
float s3 = 1.0f - side3/sum;
switch(face) {
case 0:
surf->SetTextureUVs(0, 0, Point2(0.5f, 0.0f));
surf->SetTextureUVs(0, 1, Point2(0.5f, 0.0f));
surf->SetTextureUVs(0, 2, Point2(1.0f, 1.0f));
surf->SetTextureUVs(0, 3, Point2(0.0f, 1.0f));
break;
case 1:
surf->SetTextureUVs(0, 0, Point2(s1, 1.0f));
surf->SetTextureUVs(0, 1, Point2(0.0f, 1.0f));
surf->SetTextureUVs(0, 2, Point2(s1, 0.0f));
surf->SetTextureUVs(0, 3, Point2(0.0f, 0.0f));
break;
case 2:
surf->SetTextureUVs(0, 0, Point2(s3, 1.0f));
surf->SetTextureUVs(0, 1, Point2(s1, 1.0f));
surf->SetTextureUVs(0, 2, Point2(s3, 0.0f));
surf->SetTextureUVs(0, 3, Point2(s1, 0.0f));
break;
case 3:
surf->SetTextureUVs(0, 0, Point2(1.0f, 1.0f));
surf->SetTextureUVs(0, 1, Point2(s3, 1.0f));
surf->SetTextureUVs(0, 2, Point2(1.0f, 0.0f));
surf->SetTextureUVs(0, 3, Point2(s3, 0.0f));
break;
case 4:
surf->SetTextureUVs(0, 0, Point2(0.5f, 1.0f));
surf->SetTextureUVs(0, 1, Point2(0.5f, 1.0f));
surf->SetTextureUVs(0, 2, Point2(1.0f, 0.0f));
surf->SetTextureUVs(0, 3, Point2(0.0f, 0.0f));
break;
}
TCHAR bname[80];
_stprintf(bname, _T("%s%02d"), GetString(IDS_CT_SURF), face);
surf->SetName(bname);
}
#define F(s1, s2, s1r, s1c, s2r, s2c) \
fuse.mSurf1 = (s1); \
fuse.mSurf2 = (s2); \
fuse.mRow1 = (s1r); \
fuse.mCol1 = (s1c); \
fuse.mRow2 = (s2r); \
fuse.mCol2 = (s2c); \
nset.mSurfFuse.Append(1, &fuse);
NURBSFuseSurfaceCV fuse;
// Bottom(0) to Front (1)
F(0, 1, 3, 0, 0, 0);
F(0, 1, 2, 0, 1, 0);
F(0, 1, 1, 0, 2, 0);
F(0, 1, 0, 0, 3, 0);
// Bottom(0) to Left (2)
F(0, 2, 3, 0, 3, 0);
F(0, 2, 3, 1, 2, 0);
F(0, 2, 3, 2, 1, 0);
F(0, 2, 3, 3, 0, 0);
// Bottom(0) to Right (3)
F(0, 3, 0, 0, 0, 0);
F(0, 3, 0, 1, 1, 0);
F(0, 3, 0, 2, 2, 0);
F(0, 3, 0, 3, 3, 0);
// Top(4) to Front (1)
F(4, 1, 3, 0, 3, 3);
F(4, 1, 2, 0, 2, 3);
F(4, 1, 1, 0, 1, 3);
F(4, 1, 0, 0, 0, 3);
// Top(4) to Left (2)
F(4, 2, 0, 0, 3, 3);
F(4, 2, 0, 1, 2, 3);
F(4, 2, 0, 2, 1, 3);
F(4, 2, 0, 3, 0, 3);
// Top(4) to Right (3)
F(4, 3, 3, 0, 0, 3);
F(4, 3, 3, 1, 1, 3);
F(4, 3, 3, 2, 2, 3);
F(4, 3, 3, 3, 3, 3);
// Front(1) to Left (2)
F(1, 2, 0, 1, 3, 1);
F(1, 2, 0, 2, 3, 2);
// Left(2) to Right (3)
F(2, 3, 0, 1, 3, 1);
F(2, 3, 0, 2, 3, 2);
// Right(3) to Front (1)
F(3, 1, 0, 1, 3, 1);
F(3, 1, 0, 2, 3, 2);
// Fuse the triangles together
for (int i = 1; i < 4; i++) {
F(0, 0, 0, 3, i, 3);
F(4, 4, 0, 3, i, 3);
}
Matrix3 mat;
mat.IdentityMatrix();
Object *obj = CreateNURBSObject(NULL, &nset, mat);
return obj;
}
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;
}
Object*
BuildNURBSPyramid(float width, float depth, float height, int genUVs)
{
int pyramid_faces[5][4] = { {0, 1, 2, 3}, // bottom
{2, 3, 4, 4}, // back
{1, 0, 4, 4}, // front
{3, 1, 4, 4}, // left
{0, 2, 4, 4}};// right
Point3 pyramid_verts[5] = { Point3(-0.5, -0.5, 0.0),
Point3( 0.5, -0.5, 0.0),
Point3(-0.5, 0.5, 0.0),
Point3( 0.5, 0.5, 0.0),
Point3( 0.0, 0.0, 1.0)};
NURBSSet nset;
for (int face = 0; face < 5; face++) {
Point3 bl = pyramid_verts[pyramid_faces[face][0]];
Point3 br = pyramid_verts[pyramid_faces[face][1]];
Point3 tl = pyramid_verts[pyramid_faces[face][2]];
Point3 tr = pyramid_verts[pyramid_faces[face][3]];
Matrix3 size;
size.IdentityMatrix();
Point3 lwh(width, depth, height);
size.Scale(lwh);
bl = bl * size;
br = br * size;
tl = tl * size;
tr = tr * size;
NURBSCVSurface *surf = new NURBSCVSurface();
nset.AppendObject(surf);
surf->SetUOrder(4);
surf->SetVOrder(4);
surf->SetNumCVs(4, 4);
surf->SetNumUKnots(8);
surf->SetNumVKnots(8);
Point3 top, bot;
for (int r = 0; r < 4; r++) {
top = tl + (((float)r/3.0f) * (tr - tl));
bot = bl + (((float)r/3.0f) * (br - bl));
for (int c = 0; c < 4; c++) {
NURBSControlVertex ncv;
ncv.SetPosition(0, bot + (((float)c/3.0f) * (top - bot)));
ncv.SetWeight(0, 1.0f);
surf->SetCV(r, c, ncv);
}
}
for (int k = 0; k < 4; k++) {
surf->SetUKnot(k, 0.0);
surf->SetVKnot(k, 0.0);
surf->SetUKnot(k + 4, 1.0);
surf->SetVKnot(k + 4, 1.0);
}
surf->Renderable(TRUE);
surf->SetGenerateUVs(genUVs);
if (height > 0.0f)
surf->FlipNormals(TRUE);
else
surf->FlipNormals(FALSE);
switch(face) {
case 0: // bottom
surf->SetTextureUVs(0, 0, Point2(1.0f, 0.0f));
surf->SetTextureUVs(0, 1, Point2(0.0f, 0.0f));
surf->SetTextureUVs(0, 2, Point2(1.0f, 1.0f));
surf->SetTextureUVs(0, 3, Point2(0.0f, 1.0f));
break;
default: // sides
surf->SetTextureUVs(0, 0, Point2(0.5f, 1.0f));
surf->SetTextureUVs(0, 1, Point2(0.5f, 1.0f));
surf->SetTextureUVs(0, 2, Point2(0.0f, 0.0f));
surf->SetTextureUVs(0, 3, Point2(1.0f, 0.0f));
break;
}
TCHAR bname[80];
_stprintf(bname, _T("%s%02d"), GetString(IDS_CT_SURF), face);
surf->SetName(bname);
}
#define F(s1, s2, s1r, s1c, s2r, s2c) \
fuse.mSurf1 = (s1); \
fuse.mSurf2 = (s2); \
fuse.mRow1 = (s1r); \
fuse.mCol1 = (s1c); \
fuse.mRow2 = (s2r); \
fuse.mCol2 = (s2c); \
nset.mSurfFuse.Append(1, &fuse);
NURBSFuseSurfaceCV fuse;
// Fuse the degenerate peaks
for (int i = 1; i < 5; i++) {
for (int j = 1; j < 4; j++) {
F(i, i, 0, 3, j, 3);
}
}
// Fuse the peaks together
F(1, 2, 0, 3, 0, 3);
F(1, 3, 0, 3, 0, 3);
F(1, 4, 0, 3, 0, 3);
// Bottom(0) to Back (1)
F(0, 1, 3, 3, 3, 0);
F(0, 1, 2, 3, 2, 0);
F(0, 1, 1, 3, 1, 0);
F(0, 1, 0, 3, 0, 0);
// Bottom(0) to Front (2)
F(0, 2, 0, 0, 3, 0);
F(0, 2, 1, 0, 2, 0);
F(0, 2, 2, 0, 1, 0);
F(0, 2, 3, 0, 0, 0);
// Bottom(0) to Left (3)
F(0, 3, 3, 0, 3, 0);
F(0, 3, 3, 1, 2, 0);
F(0, 3, 3, 2, 1, 0);
F(0, 3, 3, 3, 0, 0);
// Bottom(0) to Right (4)
F(0, 4, 0, 0, 0, 0);
F(0, 4, 0, 1, 1, 0);
F(0, 4, 0, 2, 2, 0);
F(0, 4, 0, 3, 3, 0);
// Front (2) to Right (4)
F(2, 4, 3, 1, 0, 1);
F(2, 4, 3, 2, 0, 2);
// Right (4) to Back (1)
F(4, 1, 3, 1, 0, 1);
F(4, 1, 3, 2, 0, 2);
// Back (1) to Left (3)
F(1, 3, 3, 1, 0, 1);
F(1, 3, 3, 2, 0, 2);
// Left (3) to Front (2)
F(3, 2, 3, 1, 0, 1);
F(3, 2, 3, 2, 0, 2);
Matrix3 mat;
mat.IdentityMatrix();
Object *obj = CreateNURBSObject(NULL, &nset, mat);
return obj;
}