static void
bezier(BezierShape &shape,float x0, float y0, float x1, float y1, float x2, float y2, float x3, float y3)
{
//DebugPrint(_T("Bezier creating %.2f %.2f-%.2f %.2f-%.2f %.2f-%.2f %.2f\n"),x0,y0,x1,y1,x2,y2,x3,y3);
if(!curSpline)
curSpline = shape.NewSpline();
int knots = curSpline->KnotCount();
if(knots == 0) {
curSpline->AddKnot(SplineKnot(KTYPE_BEZIER, LTYPE_CURVE, Point3(x0,y0,0.0f), Point3(x0,y0,0.0f), Point3(x1,y1,0.0f)));
curSpline->AddKnot(SplineKnot(KTYPE_BEZIER, LTYPE_CURVE, Point3(x3,y3,0.0f), Point3(x2,y2,0.0f), Point3(x3,y3,0.0f)));
}
else {
// First point of this curve must be the same as the last point on the output curve
assert(curSpline->GetKnotPoint(knots-1) == Point3(x0,y0,0.0f));
curSpline->SetOutVec(knots-1, Point3(x1,y1,0.0f));
if(Point3(x3,y3,0.0f) == curSpline->GetKnotPoint(0)) {
curSpline->SetInVec(0, Point3(x2,y2,0.0f));
curSpline->SetClosed();
//DebugPrint(_T("Bezier autoclosed\n"));
curSpline = NULL;
}
else
curSpline->AddKnot(SplineKnot(KTYPE_BEZIER, LTYPE_CURVE, Point3(x3,y3,0.0f), Point3(x2,y2,0.0f), Point3(x3,y3,0.0f)));
}
}
void EllipseObject::BuildShape(TimeValue t, BezierShape& ashape) {
// Start the validity interval at forever and whittle it down.
ivalid = FOREVER;
float length;
float width;
pblock->GetValue(PB_LENGTH, t, length, ivalid);
pblock->GetValue(PB_WIDTH, t, width, ivalid);
LimitValue( length, MIN_LENGTH, MAX_LENGTH );
LimitValue( width, MIN_WIDTH, MAX_WIDTH );
// Delete the existing shape and create a new spline in it
ashape.NewShape();
// Get parameters from SimpleSpline and place them in the BezierShape
int steps;
BOOL optimize,adaptive;
ipblock->GetValue(IPB_STEPS, t, steps, ivalid);
ipblock->GetValue(IPB_OPTIMIZE, t, optimize, ivalid);
ipblock->GetValue(IPB_ADAPTIVE, t, adaptive, ivalid);
ashape.steps = adaptive ? -1 : steps;
ashape.optimize = optimize;
float radius, xmult, ymult;
if(length < width) {
radius = width;
xmult = 1.0f;
ymult = length / width;
}
else
if(width < length) {
radius = length;
xmult = width / length;
ymult = 1.0f;
}
else {
radius = length;
xmult = ymult = 1.0f;
}
MakeCircle(ashape, radius / 2.0f, xmult, ymult);
ashape.UpdateSels(); // Make sure it readies the selection set info
ashape.InvalidateGeomCache();
}
void DonutObject::BuildShape(TimeValue t, BezierShape& ashape) {
// Start the validity interval at forever and whittle it down.
ivalid = FOREVER;
float radius1;
float radius2;
pblock->GetValue(PB_RADIUS1, t, radius1, ivalid);
if(mPipe)
{
float thickness;
pblock->GetValue(PB_THICKNESS, t, thickness, ivalid);
radius2 = radius1-thickness;
}
else
{
pblock->GetValue(PB_RADIUS2, t, radius2, ivalid);
}
LimitValue( radius1, MIN_RADIUS, MAX_RADIUS );
LimitValue( radius2, MIN_RADIUS, MAX_RADIUS );
ashape.NewShape();
// Get parameters from SimpleSpline and place them in the BezierShape
int steps;
BOOL optimize,adaptive;
ipblock->GetValue(IPB_STEPS, t, steps, ivalid);
ipblock->GetValue(IPB_OPTIMIZE, t, optimize, ivalid);
ipblock->GetValue(IPB_ADAPTIVE, t, adaptive, ivalid);
ashape.steps = adaptive ? -1 : steps;
ashape.optimize = optimize;
MakeCircle(ashape,radius1);
MakeCircle(ashape,radius2);
ashape.UpdateSels(); // Make sure it readies the selection set info
ashape.InvalidateGeomCache();
}
static void MakeCircle(BezierShape& ashape, float radius) {
float vector = CIRCLE_VECTOR_LENGTH * radius;
// Delete all points in the existing spline
Spline3D *spline = ashape.NewSpline();
// Now add all the necessary points
for(int ix=0; ix<4; ++ix) {
float angle = 6.2831853f * (float)ix / 4.0f;
float sinfac = (float)sin(angle), cosfac = (float)cos(angle);
Point3 p(cosfac * radius, sinfac * radius, 0.0f);
Point3 rotvec = Point3(sinfac * vector, -cosfac * vector, 0.0f);
spline->AddKnot(SplineKnot(KTYPE_BEZIER,LTYPE_CURVE,p,p + rotvec,p - rotvec));
}
spline->SetClosed();
spline->ComputeBezPoints();
}
BOOL TrueTypeImport::BuildCharacter(UINT index, float height, BezierShape &shape, float &width, int fontShapeVersion) {
assert(hFont);
if(!hFont)
return 0;
// Set up for the font and release it when this function returns
FontReady fontRdy(hFont);
// allocate space for the bitmap/outline
GLYPHMETRICS gm;
// init it to prevent UMR in GetGlyphOutline
gm.gmBlackBoxX =
gm.gmBlackBoxY =
gm.gmptGlyphOrigin.x =
gm.gmptGlyphOrigin.y =
gm.gmCellIncX =
gm.gmCellIncY = 0;
// Give it an identity matrix
MAT2 mat;
IdentityMat(&mat);
// get unicode outline
DWORD size= GetGlyphOutlineW(fontRdy.hdc, index, GGO_GLYPH_INDEX|GGO_NATIVE, &gm, 0, NULL, &mat);
if(size != GDI_ERROR && size > 0) {
GenericAlloc mem(size);
if(!mem.ptr)
goto failure;
// get unicode outline
if ((GetGlyphOutlineW(fontRdy.hdc, index, GGO_GLYPH_INDEX|GGO_NATIVE, &gm, size, mem.ptr, &mat)) != size)
goto failure;
curSpline = NULL; // reset the current spline pointer
if(!CreateCharacterShape((TTPOLYGONHEADER *)mem.ptr, size, shape, fontShapeVersion))
goto failure;
// Make sure the height matches the request
float scaleFactor = height / 1000.0f;
Matrix3 tm = ScaleMatrix(Point3(scaleFactor, scaleFactor, 0.0f));
shape.Transform(tm);
width = float(gm.gmCellIncX) * scaleFactor;
return TRUE;
}
// Character wasn't found!
failure:
width = 0.0f;
return FALSE;
}
void RectangleObject::BuildShape(TimeValue t, BezierShape& ashape) {
// Start the validity interval at forever and whittle it down.
ivalid = FOREVER;
float length,fillet;
float width;
pblock->GetValue(PB_LENGTH, t, length, ivalid);
pblock->GetValue(PB_WIDTH, t, width, ivalid);
pblock->GetValue(PB_FILLET, t, fillet, ivalid);
LimitValue( length, MIN_LENGTH, MAX_LENGTH );
LimitValue( width, MIN_WIDTH, MAX_WIDTH );
LimitValue( fillet, MIN_WIDTH, MAX_WIDTH );
// Delete the existing shape and create a new spline in it
ashape.NewShape();
// Get parameters from SimpleSpline and place them in the BezierShape
int steps;
BOOL optimize,adaptive;
ipblock->GetValue(IPB_STEPS, t, steps, ivalid);
ipblock->GetValue(IPB_OPTIMIZE, t, optimize, ivalid);
ipblock->GetValue(IPB_ADAPTIVE, t, adaptive, ivalid);
ashape.steps = adaptive ? -1 : steps;
ashape.optimize = optimize;
Spline3D *spline = ashape.NewSpline();
// Now add all the necessary points
// We'll add 'em as auto corners initially, have the spline package compute some vectors (because
// I'm basically lazy and it does a great job, besides) then turn 'em into bezier corners!
float l2 = length / 2.0f;
float w2 = width / 2.0f;
Point3 p = Point3(w2, l2, 0.0f);
int pts=4;
if (fillet>0)
{ pts=8;
float cf=fillet*CIRCLE_VECTOR_LENGTH;
Point3 wvec=Point3(fillet,0.0f,0.0f),lvec=Point3(0.0f,fillet,0.0f);
Point3 cwvec=Point3(cf,0.0f,0.0f),clvec=Point3(0.0f,cf,0.0f);
Point3 p3=p-lvec,p2;
spline->AddKnot(SplineKnot(KTYPE_BEZIER,LTYPE_CURVE,p3,p3-clvec,p3+clvec));
p=p-wvec;
spline->AddKnot(SplineKnot(KTYPE_BEZIER,LTYPE_CURVE,p,p+cwvec,p-cwvec));
p=Point3(-w2,l2,0.0f);p2=p+wvec;
spline->AddKnot(SplineKnot(KTYPE_BEZIER,LTYPE_CURVE,p2,p2+cwvec,p2-cwvec));
p=p-lvec;
spline->AddKnot(SplineKnot(KTYPE_BEZIER,LTYPE_CURVE,p,p+clvec,p-clvec));
p=Point3(-w2,-l2,0.0f);p3=p+lvec;
spline->AddKnot(SplineKnot(KTYPE_BEZIER,LTYPE_CURVE,p3,p3+clvec,p3-clvec));
p=p+wvec;
spline->AddKnot(SplineKnot(KTYPE_BEZIER,LTYPE_CURVE,p,p-cwvec,p+cwvec));
p = Point3(w2, -l2, 0.0f);p3=p-wvec;
spline->AddKnot(SplineKnot(KTYPE_BEZIER,LTYPE_CURVE,p3,p3-cwvec,p3+cwvec));
p=p+lvec;
spline->AddKnot(SplineKnot(KTYPE_BEZIER,LTYPE_CURVE,p,p-clvec,p+clvec));
spline->SetClosed();
spline->ComputeBezPoints();
}
else
{spline->AddKnot(SplineKnot(KTYPE_CORNER,LTYPE_CURVE,p,p,p));
p = Point3(-w2, l2, 0.0f);
spline->AddKnot(SplineKnot(KTYPE_CORNER,LTYPE_CURVE,p,p,p));
p = Point3(-w2, -l2, 0.0f);
spline->AddKnot(SplineKnot(KTYPE_CORNER,LTYPE_CURVE,p,p,p));
p = Point3(w2, -l2, 0.0f);
spline->AddKnot(SplineKnot(KTYPE_CORNER,LTYPE_CURVE,p,p,p));
spline->SetClosed();
spline->ComputeBezPoints();
for(int i = 0; i < 4; ++i)
spline->SetKnotType(i, KTYPE_BEZIER_CORNER);
}
spline->SetClosed();
spline->ComputeBezPoints();
for(int i = 0; i < pts; ++i)
spline->SetKnotType(i, KTYPE_BEZIER_CORNER);
ashape.UpdateSels(); // Make sure it readies the selection set info
ashape.InvalidateGeomCache();
}
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;
}
int CrossSectionMouseProc::proc(
HWND hwnd,
int msg,
int point,
int flags,
IPoint2 m )
{
ViewExp *vpt = NULL;
HitRecord *rec = NULL;
int res = TRUE;
switch ( msg ) {
case MOUSE_ABORT:
if (mCreating) {
if (mCrossingDrawn)
DrawCrossing(hwnd); // erase the previous line
mCreating = false;
es->EndCrossSection(mSelectedSplines.Count() > 1 ? TRUE : FALSE);
}
res = FALSE;
break;
case MOUSE_PROPCLICK:
ip->SetStdCommandMode(CID_OBJMOVE);
res = FALSE;
break;
case MOUSE_POINT:
vpt = ip->GetViewport(hwnd);
if((rec = HitTest(vpt,&m,HITTYPE_POINT,0)) != NULL) {
ShapeHitData *hit = ((ShapeHitData *)rec->hitData);
int poly = hit->poly;
mObjToWorldTM = rec->nodeRef->GetObjectTM(ip->GetTime());
if (!mCreating) {
if (!es->StartCrossSection(&mShapeData))
return CREATE_ABORT;
mCreating = true;
mSelectedSplines.ZeroCount();
BezierShape *shape = mShapeData->TempData(es)->GetShape(ip->GetTime());
mPolys = (shape == NULL) ? 0 : shape->SplineCount();
}
mSelectedSplines.Append(1, &poly, 1);
es->DoCrossSection(mShapeData, mSelectedSplines);
mMouse = m;
mCrossingDrawn = false;
}
ip->ReleaseViewport(vpt);
if (!mCreating) res = FALSE;
break;
case MOUSE_MOVE:
if (mCreating) {
if (mCrossingDrawn)
DrawCrossing(hwnd); // erase the previous line
mMouse = m;
DrawCrossing(hwnd);
mCrossingDrawn = true;
}
// continue to the next case to set cursor.
case MOUSE_FREEMOVE:
vpt = ip->GetViewport(hwnd);
if ( HitTest(vpt,&m,HITTYPE_POINT,HIT_ABORTONHIT) )
SetCursor(GetTransformCursor());
else
SetCursor(LoadCursor(NULL,IDC_ARROW));
ip->ReleaseViewport(vpt);
break;
}
return res;
}
void ExtrudeMod::BuildPatchFromShape(TimeValue t,ModContext &mc, ObjectState * os, PatchMesh &pmesh) {
ShapeObject *shape = (ShapeObject *)os->obj;
float amount;
int levels,capStart,capEnd,capType;
pblock->GetValue(PB_AMOUNT,t,amount,FOREVER);
pblock->GetValue(PB_SEGS,t,levels,FOREVER);
if (levels<1) levels = 1;
pblock->GetValue(PB_CAPSTART,t,capStart,FOREVER);
pblock->GetValue(PB_CAPEND,t,capEnd,FOREVER);
pblock->GetValue(PB_CAPTYPE,t,capType,FOREVER);
BOOL texturing;
pblock->GetValue(PB_MAPPING, TimeValue(0), texturing, FOREVER);
BOOL genMatIDs;
pblock->GetValue(PB_GEN_MATIDS, TimeValue(0), genMatIDs, FOREVER);
BOOL useShapeIDs;
pblock->GetValue(PB_USE_SHAPEIDS, TimeValue(0), useShapeIDs, FOREVER);
BOOL smooth;
pblock->GetValue(PB_SMOOTH, TimeValue(0), smooth, FOREVER);
LimitValue(amount, -1000000.0f, 1000000.0f);
// Get the basic dimension stuff
float zSize = (float)fabs(amount);
float baseZ = 0.0f;
if(amount < 0.0f)
baseZ = amount;
// If the shape can convert itself to a BezierShape, have it do so!
BezierShape bShape;
if(shape->CanMakeBezier())
shape->MakeBezier(t, bShape);
else {
PolyShape pShape;
shape->MakePolyShape(t, pShape);
bShape = pShape; // UGH -- Convert it from a PolyShape -- not good!
}
//DebugPrint(_T("Extrude organizing shape\n"));
ShapeHierarchy hier;
bShape.OrganizeCurves(t, &hier);
// Need to flip the reversed polys...
bShape.Reverse(hier.reverse);
// ...and tell the hierarchy they're no longer reversed!
hier.reverse.ClearAll();
// Our shapes are now organized for patch-making -- Let's do the sides!
int polys = bShape.splineCount;
int poly, knot;
int levelVerts = 0, levelVecs = 0, levelPatches = 0, nverts = 0, nvecs = 0, npatches = 0;
int TVlevels = levels + 1, levelTVerts = 0, ntverts = 0, ntpatches = 0;
BOOL anyClosed = FALSE;
for(poly = 0; poly < polys; ++poly) {
Spline3D *spline = bShape.splines[poly];
if(!spline->KnotCount())
continue;
if(spline->Closed())
anyClosed = TRUE;
levelVerts += spline->KnotCount();
levelTVerts += (spline->Segments() + 1);
levelVecs += (spline->Segments() * 2);
levelPatches += spline->Segments();
}
nverts = levelVerts * (levels + 1);
npatches = levelPatches * levels;
nvecs = (levelVecs * (levels + 1)) + levels * levelVerts * 2 + npatches * 4;
if(texturing) {
ntverts = levelTVerts * TVlevels;
ntpatches = npatches;
}
pmesh.setNumVerts(nverts);
pmesh.setNumVecs(nvecs);
pmesh.setNumPatches(npatches);
pmesh.setNumTVerts(ntverts);
pmesh.setNumTVPatches(ntpatches);
// Create the vertices!
int vert = 0;
int level;
Point3 offset1, offset2;
for(poly = 0; poly < polys; ++poly) {
Spline3D *spline = bShape.splines[poly];
if(!spline->KnotCount())
continue;
int knots = spline->KnotCount();
for(level = 0; level <= levels; ++level) {
Point3 offset = Point3(0.0f, 0.0f, baseZ + (float)level / (float)levels * zSize);
if(level == 0)
offset1 = offset;
else
if(level == levels)
offset2 = offset;
for(knot = 0; knot < knots; ++knot) {
Point3 p = spline->GetKnotPoint(knot);
pmesh.setVert(vert++, p + offset);
}
}
}
assert(vert == nverts);
BOOL usePhysUVs = GetUsePhysicalScaleUVs();
// Maybe create the texture vertices
if(texturing) {
int tvert = 0;
int level;
for(poly = 0; poly < polys; ++poly) {
Spline3D *spline = bShape.splines[poly];
if(!spline->KnotCount())
continue;
// Make it a polyline
PolyLine pline;
spline->MakePolyLine(pline, 10);
int knots = spline->KnotCount();
for(level = 0; level < TVlevels; ++level) {
float tV = (float)level / (float)(TVlevels - 1);
float vScale = usePhysUVs ? amount : 1.0f;
int lverts = pline.numPts;
int tp = 0;
int texPts = spline->Segments() + 1;
float cumLen = 0.0f;
float totLen = pline.CurveLength();
float uScale = usePhysUVs ? totLen : 1.0f;
Point3 prevPt = pline.pts[0].p;
int plix = 0;
while(tp < texPts) {
Point3 &pt = pline[plix].p;
cumLen += Length(pt - prevPt);
prevPt = pt;
if(pline[plix].flags & POLYPT_KNOT) {
float tU;
if(tp == (texPts - 1))
tU = 1.0f;
else
tU = cumLen / totLen;
pmesh.setTVert(tvert++, UVVert(uScale*tU, vScale*tV, 0.0f));
tp++;
}
plix = (plix + 1) % pline.numPts;
}
}
}
assert(tvert == ntverts);
}
// Create the vectors!
int seg;
int vec = 0;
for(poly = 0; poly < polys; ++poly) {
Spline3D *spline = bShape.splines[poly];
if(!spline->KnotCount())
continue;
int segs = spline->Segments();
int knots = spline->KnotCount();
// First, the vectors on each level
for(level = 0; level <= levels; ++level) {
Point3 offset = Point3(0.0f, 0.0f, baseZ + (float)level / (float)levels * zSize);
for(seg = 0; seg < segs; ++seg) {
int seg2 = (seg + 1) % knots;
if(spline->GetLineType(seg) == LTYPE_CURVE) {
Point3 p = spline->GetOutVec(seg);
pmesh.setVec(vec++, p + offset);
p = spline->GetInVec(seg2);
pmesh.setVec(vec++, p + offset);
}
else {
Point3 p = spline->InterpBezier3D(seg, 0.333333f);
pmesh.setVec(vec++, p + offset);
p = spline->InterpBezier3D(seg, 0.666666f);
pmesh.setVec(vec++, p + offset);
}
}
}
// Now, the vectors between the levels
int baseVec = vec;
for(level = 0; level < levels; ++level) {
Point3 offsetA = Point3(0.0f, 0.0f, baseZ + (float)level / (float)levels * zSize);
Point3 offsetB = Point3(0.0f, 0.0f, baseZ + (float)(level + 1) / (float)levels * zSize);
Point3 offset1 = offsetA + (offsetB - offsetA) * 0.333333333f;
Point3 offset2 = offsetA + (offsetB - offsetA) * 0.666666666f;
for(knot = 0; knot < knots; ++knot) {
Point3 p = spline->GetKnotPoint(knot);
pmesh.setVec(vec++, p + offset1);
pmesh.setVec(vec++, p + offset2);
}
}
}
// Create the patches!
int np = 0;
int baseVert = 0;
int baseVec = 0;
for(poly = 0; poly < polys; ++poly) {
Spline3D *spline = bShape.splines[poly];
if(!spline->KnotCount())
continue;
int knots = spline->KnotCount();
int segs = spline->Segments();
int baseVec1 = baseVec; // Base vector index for this level
int baseVec2 = baseVec + segs * 2 * (levels + 1); // Base vector index for between levels
for(level = 0; level < levels; ++level) {
int sm = 0;
BOOL firstSmooth = (spline->GetLineType(0) == LTYPE_CURVE && spline->GetLineType(segs-1) == LTYPE_CURVE && (spline->GetKnotType(0) == KTYPE_AUTO || spline->GetKnotType(0) == KTYPE_BEZIER)) ? TRUE : FALSE;
for(seg = 0; seg < segs; ++seg, vec += 4) {
int prevseg = (seg + segs - 1) % segs;
int seg2 = (seg + 1) % knots;
int a,b,c,d,ab,ba,bc,cb,cd,dc,da,ad;
MtlID mtl = useShapeIDs ? spline->GetMatID(seg) : 2;
a = baseVert + seg;
b = baseVert + seg2;
c = b + knots;
d = a + knots;
ab = baseVec1 + seg * 2;
ba = ab + 1;
bc = baseVec2 + seg2 * 2;
cb = bc + 1;
cd = ba + (segs * 2);
dc = ab + (segs * 2);
da = baseVec2 + seg * 2 + 1;
ad = da - 1;
//DebugPrint(_T("Making patch %d: %d (%d %d) %d (%d %d) %d (%d %d) %d (%d %d)\n"),np, a, ab, ba, b, bc, cb, c, cd, dc, d, da, ad);
// If the vertex is not smooth, go to the next group!
if(seg > 0 && !(spline->GetLineType(prevseg) == LTYPE_CURVE && spline->GetLineType(seg) == LTYPE_CURVE && (spline->GetKnotType(seg) == KTYPE_AUTO || spline->GetKnotType(seg) == KTYPE_BEZIER))) {
sm++;
if(sm > 2)
sm = 1;
}
DWORD smoothGroup = 1 << sm;
if(seg == segs - 1 && firstSmooth) {
smoothGroup |= 1;
}
pmesh.MakeQuadPatch(np, a, ab, ba, b, bc, cb, c, cd, dc, d, da, ad, vec, vec+1, vec+2, vec+3, smooth ? smoothGroup : 0);
pmesh.setPatchMtlIndex(np++, genMatIDs ? mtl : 0);
}
baseVert += knots;
baseVec1 += (segs * 2);
baseVec2 += (knots * 2);
}
baseVert += knots;
baseVec += (segs * 2 * (levels + 1) + knots * 2 * levels);
}
assert(vec == nvecs);
assert(np == npatches);
// Maybe create the texture patches!
if(texturing) {
int ntp = 0;
int baseTVert = 0;
for(poly = 0; poly < polys; ++poly) {
Spline3D *spline = bShape.splines[poly];
if(!spline->KnotCount())
continue;
int pknots = spline->Segments() + 1;
int pverts = pknots * TVlevels;
int segs = spline->Segments();
for(level = 0; level < levels; ++level) {
for(seg = 0; seg < segs; ++seg) {
int prevseg = (seg + segs - 1) % segs;
int seg2 = seg + 1;
int a,b,c,d;
a = baseTVert + seg;
b = baseTVert + seg2;
c = b + pknots;
d = a + pknots;
TVPatch &tp = pmesh.getTVPatch(ntp++);
tp.setTVerts(a, b, c, d);
}
baseTVert += pknots;
}
baseTVert += pknots;
}
assert(ntp == ntpatches);
}
// If capping, do it!
if(anyClosed && (capStart || capEnd)) {
PatchCapInfo capInfo;
bShape.MakeCap(t, capInfo);
// Build information for capping
PatchCapper capper(bShape);
if(capStart) {
vert = 0;
int baseVec = 0;
for(poly = 0; poly < polys; ++poly) {
Spline3D *spline = bShape.splines[poly];
if(!spline->KnotCount())
continue;
PatchCapPoly &capline = capper[poly];
int lverts = spline->KnotCount();
for(int v = 0; v < lverts; ++v)
capline.SetVert(v, vert++); // Gives this vert's location in the mesh!
vert += lverts * levels;
vec = baseVec;
int lvecs = spline->Segments() * 2;
for(int v = 0; v < lvecs; ++v)
capline.SetVec(v, vec++); // Gives this vec's location in the mesh!
baseVec += lvecs * (levels + 1) + spline->KnotCount() * levels * 2;
}
// Create a work matrix for capping
Matrix3 mat = TransMatrix(offset1);
int oldPatches = pmesh.numPatches;
capper.CapPatchMesh(pmesh, capInfo, TRUE, 16, &mat, genMatIDs ? -1 : 0);
// If texturing, create the texture patches and vertices
if(texturing)
MakePatchCapTexture(pmesh, Inverse(mat), oldPatches, pmesh.numPatches, usePhysUVs);
}
if(capEnd) {
int baseVert = 0;
int baseVec = 0;
for(poly = 0; poly < polys; ++poly) {
Spline3D *spline = bShape.splines[poly];
if(!spline->KnotCount())
continue;
PatchCapPoly &capline = capper[poly];
int lverts = spline->KnotCount();
int vert = baseVert + lverts * levels;
for(int v = 0; v < lverts; ++v)
capline.SetVert(v, vert++); // Gives this vert's location in the mesh!
baseVert += lverts * (levels + 1);
int lvecs = spline->Segments()*2;
int vec = baseVec + lvecs * levels;
for(int v = 0; v < lvecs; ++v)
capline.SetVec(v, vec++); // Gives this vec's location in the mesh!
baseVec += lvecs * (levels + 1) + spline->KnotCount() * levels * 2;
}
// Create a work matrix for grid capping
Matrix3 mat = TransMatrix(offset2);
int oldPatches = pmesh.numPatches;
capper.CapPatchMesh(pmesh, capInfo, FALSE, 16, &mat, genMatIDs ? -1 : 0);
// If texturing, create the texture patches and vertices
if(texturing)
MakePatchCapTexture(pmesh, Inverse(mat), oldPatches, pmesh.numPatches, usePhysUVs);
}
}
//watje new mapping
if(texturing)
{
if (ver < 4)
{
for (int i = 0; i < pmesh.numPatches; i++)
pmesh.patches[i].flags |= PATCH_LINEARMAPPING;
}
}
// Ready the patch representation!
if( !pmesh.buildLinkages() )
{
assert(0);
}
pmesh.computeInteriors();
}
BOOL TrueTypeImport::CreateCharacterShape(LPTTPOLYGONHEADER lpHeader, int size, BezierShape &shape, int fontShapeVersion) {
LPTTPOLYGONHEADER lpStart;
LPTTPOLYCURVE lpCurve;
WORD i = 0;
POINTFX work;
//DebugPrint(_T("Start of letter\n"));
lpStart = lpHeader;
while ((DWORD_PTR)lpHeader < (DWORD_PTR)(((LPSTR)lpStart) + size)) {
if (lpHeader->dwType == TT_POLYGON_TYPE) {
// Get to first curve.
lpCurve = (LPTTPOLYCURVE) (lpHeader + 1);
// iFirstCurve = cTotal;
//DebugPrint(_T("Poly start\n"));
while ((DWORD_PTR)lpCurve < (DWORD_PTR)(((LPSTR)lpHeader) + lpHeader->cb)) {
if (lpCurve->wType == TT_PRIM_LINE) {
work = *(LPPOINTFX)((LPSTR)lpCurve - sizeof(POINTFX));
Point3 p0(FloatFromFixed(work.x), FloatFromFixed(work.y), 0.0f);
for (i = 0; i < lpCurve->cpfx; i++) {
work = lpCurve->apfx[i];
Point3 p1(FloatFromFixed(work.x), FloatFromFixed(work.y), 0.0f);
bezier(shape, p0.x, p0.y, p0.x, p0.y, p1.x, p1.y, p1.x, p1.y);
p0 = p1;
}
}
else
if (lpCurve->wType == TT_PRIM_QSPLINE) {
//**********************************************
// Format assumption:
// The bytes immediately preceding a POLYCURVE
// structure contain a valid POINTFX.
//
// If this is first curve, this points to the
// pfxStart of the POLYGONHEADER.
// Otherwise, this points to the last point of
// the previous POLYCURVE.
//
// In either case, this is representative of the
// previous curve's last point.
//**********************************************
work = *(LPPOINTFX)((LPSTR)lpCurve - sizeof(POINTFX));
Point3 p0(FloatFromFixed(work.x), FloatFromFixed(work.y), 0.0f);
Point3 p1, p2, p3, pa, pb;
for (i = 0; i < lpCurve->cpfx;) {
// This point is off the curve -- Hold onto it
work = lpCurve->apfx[i++];
pa = Point3(FloatFromFixed(work.x), FloatFromFixed(work.y), 0.0f);
// Calculate the C point.
if (i == (lpCurve->cpfx - 1)) {
// It's the last point, and therefore on the curve.
// We need to compute the bezier handles between it and p0...
work = lpCurve->apfx[i++];
p3 = Point3(FloatFromFixed(work.x), FloatFromFixed(work.y), 0.0f);
}
else {
// It's not the last point -- Need to compute midpoint to get
// a point on the curve
work = lpCurve->apfx[i]; // Don't inc i -- We'll use it next time around!
Point3 pb(FloatFromFixed(work.x), FloatFromFixed(work.y), 0.0f);
p3 = (pa + pb) / 2.0f;
}
// Also compute the appropriate handles...
if(fontShapeVersion == 1) { // Release 1.x-compatible
p1 = (p0 + pa) / 2.0f;
p2 = (pa + p3) / 2.0f;
}
else{
p1 = (p0 + 2.0f * pa) / 3.0f; // Release 2
p2 = (p3 + 2.0f * pa) / 3.0f;
}
// Let's add it to the output bezier!
bezier(shape, p0.x, p0.y, p1.x, p1.y, p2.x, p2.y, p3.x, p3.y);
// New A point for next slice of spline.
p0 = p3;
}
}
else
; // error, error, error
// Move on to next curve.
lpCurve = (LPTTPOLYCURVE)&(lpCurve->apfx[i]);
}
//DebugPrint(_T("Poly end\n"));
if(curSpline) {
curSpline->SetClosed();
curSpline = NULL;
}
// Move on to next polygon.
lpHeader = (LPTTPOLYGONHEADER)(((LPSTR)lpHeader) + lpHeader->cb);
}
else
; // error, error, error
}
//DebugPrint(_T("End of letter\n"));
// Make sure any splines are closed and reset
if(curSpline) {
curSpline->SetClosed();
curSpline = NULL;
}
// Update the selection set info -- Just to be safe
shape.UpdateSels();
return TRUE;
}
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);
}
}
