const MIntArray MVGMesh::getFaceVertices(const int faceId)
{
MStatus status;
MItMeshPolygon faceIter(_object);
int prev;
status = faceIter.setIndex(faceId, prev);
CHECK(status);
MIntArray vertices;
status = faceIter.getVertices(vertices);
CHECK(status);
return vertices;
}
// virtual
bool MayaMeshWriter::writeMeshAttrs(const UsdTimeCode &usdTime, UsdGeomMesh &primSchema)
{
MStatus status = MS::kSuccess;
// Write parent class attrs
writeTransformAttrs(usdTime, primSchema);
// Return if usdTime does not match if shape is animated
if (usdTime.IsDefault() == isShapeAnimated() ) {
// skip shape as the usdTime does not match if shape isAnimated value
return true;
}
MFnMesh lMesh( getDagPath(), &status );
if ( !status )
{
MGlobal::displayError( "MFnMesh() failed for MayaMeshWriter" );
return false;
}
unsigned int numVertices = lMesh.numVertices();
unsigned int numPolygons = lMesh.numPolygons();
// Set mesh attrs ==========
// Get points
// TODO: Use memcpy()
const float* mayaRawPoints = lMesh.getRawPoints(&status);
VtArray<GfVec3f> points(numVertices);
for (unsigned int i = 0; i < numVertices; i++) {
unsigned int floatIndex = i*3;
points[i].Set(mayaRawPoints[floatIndex],
mayaRawPoints[floatIndex+1],
mayaRawPoints[floatIndex+2]);
}
primSchema.GetPointsAttr().Set(points, usdTime); // ANIMATED
// Compute the extent using the raw points
VtArray<GfVec3f> extent(2);
UsdGeomPointBased::ComputeExtent(points, &extent);
primSchema.CreateExtentAttr().Set(extent, usdTime);
// Get faceVertexIndices
unsigned int numFaceVertices = lMesh.numFaceVertices(&status);
VtArray<int> faceVertexCounts(numPolygons);
VtArray<int> faceVertexIndices(numFaceVertices);
MIntArray mayaFaceVertexIndices; // used in loop below
unsigned int curFaceVertexIndex = 0;
for (unsigned int i = 0; i < numPolygons; i++) {
lMesh.getPolygonVertices(i, mayaFaceVertexIndices);
faceVertexCounts[i] = mayaFaceVertexIndices.length();
for (unsigned int j=0; j < mayaFaceVertexIndices.length(); j++) {
faceVertexIndices[ curFaceVertexIndex ] = mayaFaceVertexIndices[j]; // push_back
curFaceVertexIndex++;
}
}
primSchema.GetFaceVertexCountsAttr().Set(faceVertexCounts); // not animatable
primSchema.GetFaceVertexIndicesAttr().Set(faceVertexIndices); // not animatable
// Read usdSdScheme attribute. If not set, we default to defaultMeshScheme
// flag that can be user defined and initialized to catmullClark
TfToken sdScheme = PxrUsdMayaMeshUtil::getSubdivScheme(lMesh, getArgs().defaultMeshScheme);
primSchema.CreateSubdivisionSchemeAttr(VtValue(sdScheme), true);
// Polygonal Mesh Case
if (sdScheme==UsdGeomTokens->none) {
// Support for standard USD bool and with Mojito bool tag
TfToken normalInterp=PxrUsdMayaMeshUtil::getEmitNormals(lMesh, UsdGeomTokens->none);
if (normalInterp==UsdGeomTokens->faceVarying) {
// Get References to members of meshData object
MFloatVectorArray normalArray;
MFloatVectorArray vertexNormalArray;
lMesh.getNormals(normalArray, MSpace::kObject);
// Iterate through each face in the mesh.
vertexNormalArray.setLength(lMesh.numFaceVertices());
VtArray<GfVec3f> meshNormals(lMesh.numFaceVertices());
size_t faceVertIdx = 0;
for (MItMeshPolygon faceIter(getDagPath()); !faceIter.isDone(); faceIter.next()) {
// Iterate through each face-vertex.
for (size_t locVertIdx = 0; locVertIdx < faceIter.polygonVertexCount();
++locVertIdx, ++faceVertIdx) {
int index=faceIter.normalIndex(locVertIdx);
for (int j=0;j<3;j++) {
meshNormals[faceVertIdx][j]=normalArray[index][j];
}
}
}
primSchema.GetNormalsAttr().Set(meshNormals, usdTime);
primSchema.SetNormalsInterpolation(normalInterp);
}
} else {
TfToken sdInterpBound = PxrUsdMayaMeshUtil::getSubdivInterpBoundary(
lMesh, UsdGeomTokens->edgeAndCorner);
primSchema.CreateInterpolateBoundaryAttr(VtValue(sdInterpBound), true);
TfToken sdFVInterpBound = PxrUsdMayaMeshUtil::getSubdivFVInterpBoundary(
lMesh);
primSchema.CreateFaceVaryingLinearInterpolationAttr(
VtValue(sdFVInterpBound), true);
assignSubDivTagsToUSDPrim( lMesh, primSchema);
}
// Holes - we treat InvisibleFaces as holes
MUintArray mayaHoles = lMesh.getInvisibleFaces();
if (mayaHoles.length() > 0) {
VtArray<int> subdHoles(mayaHoles.length());
for (unsigned int i=0; i < mayaHoles.length(); i++) {
subdHoles[i] = mayaHoles[i];
}
// not animatable in Maya, so we'll set default only
primSchema.GetHoleIndicesAttr().Set(subdHoles);
}
// == Write UVSets as Vec2f Primvars
MStringArray uvSetNames;
if (getArgs().exportMeshUVs) {
status = lMesh.getUVSetNames(uvSetNames);
}
for (unsigned int i=0; i < uvSetNames.length(); i++) {
// Initialize the VtArray to the max possible size (facevarying)
VtArray<GfVec2f> uvValues(numFaceVertices);
TfToken interpolation=TfToken();
// Gather UV data and interpolation into a Vec2f VtArray and try to compress if possible
if (_GetMeshUVSetData(lMesh, uvSetNames[i], &uvValues, &interpolation) == MS::kSuccess) {
// XXX:bug 118447
// We should be able to configure the UV map name that triggers this
// behavior, and the name to which it exports.
// The UV Set "map1" is renamed st. This is a Pixar/USD convention
TfToken setName(uvSetNames[i].asChar());
if (setName == "map1") setName=UsdUtilsGetPrimaryUVSetName();
// Create the primvar and set the values
UsdGeomPrimvar uvSet =
primSchema.CreatePrimvar(setName, SdfValueTypeNames->Float2Array, interpolation);
uvSet.Set( uvValues ); // not animatable
}
}
// == Gather ColorSets
MStringArray colorSetNames;
if (getArgs().exportColorSets) {
status = lMesh.getColorSetNames(colorSetNames);
}
// shaderColor is used in our pipeline as displayColor.
// shaderColor is used to fill faces where the colorset is not assigned
MColorArray shaderColors;
MObjectArray shaderObjs;
VtArray<GfVec3f> shadersRGBData;
TfToken shadersRGBInterp;
VtArray<float> shadersAlphaData;
TfToken shadersAlphaInterp;
// If exportDisplayColor is set to true or we have color sets,
// gather color & opacity from the shader including per face
// assignment. Color set require this to initialize unauthored/unpainted faces
if (getArgs().exportDisplayColor or colorSetNames.length()>0) {
PxrUsdMayaUtil::GetLinearShaderColor(lMesh, numPolygons,
&shadersRGBData, &shadersRGBInterp,
&shadersAlphaData, &shadersAlphaInterp);
}
for (unsigned int i=0; i < colorSetNames.length(); i++) {
bool isDisplayColor=false;
if (colorSetNames[i]=="displayColor") {
if (not getArgs().exportDisplayColor)
continue;
isDisplayColor=true;
}
if (colorSetNames[i]=="displayOpacity") {
MGlobal::displayWarning("displayOpacity on mesh:" + lMesh.fullPathName() +
" is a reserved PrimVar name in USD. Skipping...");
continue;
}
VtArray<GfVec3f> RGBData;
TfToken RGBInterp;
VtArray<GfVec4f> RGBAData;
TfToken RGBAInterp;
VtArray<float> AlphaData;
TfToken AlphaInterp;
MFnMesh::MColorRepresentation colorSetRep;
bool clamped=false;
// If displayColor uses shaderValues for non authored areas
// and allow RGB and Alpha to have different interpolation
// For all other colorSets the non authored values are set
// to (1,1,1,1) and RGB and Alpha will have the same interplation
// since they will be emitted as a Vec4f
if (not _GetMeshColorSetData( lMesh, colorSetNames[i],
isDisplayColor,
shadersRGBData, shadersAlphaData,
&RGBData, &RGBInterp,
&RGBAData, &RGBAInterp,
&AlphaData, &AlphaInterp,
&colorSetRep, &clamped)) {
MGlobal::displayWarning("Unable to retrieve colorSet data: " +
colorSetNames[i] + " on mesh: "+ lMesh.fullPathName() + ". Skipping...");
continue;
}
if (isDisplayColor) {
// We tag the resulting displayColor/displayOpacity primvar as
// authored to make sure we reconstruct the colorset on import
// The RGB is also convererted From DisplayToLinear
_setDisplayPrimVar( primSchema, colorSetRep,
RGBData, RGBInterp,
AlphaData, AlphaInterp,
clamped, true);
} else {
TfToken colorSetNameToken = TfToken(
PxrUsdMayaUtil::SanitizeColorSetName(
std::string(colorSetNames[i].asChar())));
if (colorSetRep == MFnMesh::kAlpha) {
_createAlphaPrimVar(primSchema, colorSetNameToken,
AlphaData, AlphaInterp, clamped);
} else if (colorSetRep == MFnMesh::kRGB) {
_createRGBPrimVar(primSchema, colorSetNameToken,
RGBData, RGBInterp, clamped);
} else if (colorSetRep == MFnMesh::kRGBA) {
_createRGBAPrimVar(primSchema, colorSetNameToken,
RGBAData, RGBAInterp, clamped);
}
}
}
// Set displayColor and displayOpacity only if they are NOT authored already
// Since this primvar will come from the shader and not a colorset,
// we are not adding the clamp attribute as custom data
// If a displayColor/displayOpacity is added, it's not considered authored
// we don't need to reconstruct this as a colorset since it orgininated
// from bound shader[s], so the authored flag is set to false
// Given that this RGB is for display, we do DisplayToLinear conversion
if (getArgs().exportDisplayColor) {
_setDisplayPrimVar( primSchema, MFnMesh::kRGBA,
shadersRGBData, shadersRGBInterp,
shadersAlphaData, shadersAlphaInterp,
false, false);
}
return true;
}
MStatus Mesh::load(MDagPath& meshDag,MDagPath *pDagPath)
{
MStatus stat;
std::vector<MFloatArray> weights;
std::vector<MIntArray> Ids;
std::vector<MIntArray> jointIds;
unsigned int numJoints = 0;
std::vector<vertexInfo> vertices;
MFloatPointArray points;
MFloatVectorArray normals;
if (!meshDag.hasFn(MFn::kMesh))
return MS::kFailure;
MFnMesh mesh(meshDag);
/*{
mesh.getPoints(points,MSpace::kWorld);
MPoint pos;
mesh.getPoint(1,pos,MSpace::kWorld);
for(unsigned i = 0;i < points.length();i++)
{
MFloatPoint fp = points[i];
float x = fp.x;
float y = fp.y;
float z = fp.z;
fp = fp;
}
}*/
int numVertices = mesh.numVertices();
vertices.resize(numVertices);
weights.resize(numVertices);
Ids.resize(numVertices);
jointIds.resize(numVertices);
// 获取UV坐标集的名称
MStringArray uvsets;
int numUVSets = mesh.numUVSets();
if (numUVSets > 0)
{
stat = mesh.getUVSetNames(uvsets);
if (MS::kSuccess != stat)
{
std::cout << "Error retrieving UV sets names\n";
return MS::kFailure;
}
}
// 保存UV集信息
for (int i=m_uvsets.size(); i<uvsets.length(); i++)
{
uvset uv;
uv.size = 2;
uv.name = uvsets[i].asChar();
m_uvsets.push_back(uv);
}
MStringArray colorSetsNameArray;
m_colorSets.clear();
int numColorSets = mesh.numColorSets();
if (numColorSets > 0)
{
mesh.getColorSetNames(colorSetsNameArray);
}
for (int i = 0; i != colorSetsNameArray.length(); ++i)
{
std::string name = colorSetsNameArray[i].asChar();
m_colorSets.push_back(name);
}
// 检查法线是否反
bool opposite = false;
mesh.findPlug("opposite",true).getValue(opposite);
// get connected skin cluster (if present)
bool foundSkinCluster = false;
MItDependencyNodes kDepNodeIt( MFn::kSkinClusterFilter );
for( ;!kDepNodeIt.isDone() && !foundSkinCluster; kDepNodeIt.next())
{
MObject kObject = kDepNodeIt.item();
m_pSkinCluster = new MFnSkinCluster(kObject);
unsigned int uiNumGeometries = m_pSkinCluster->numOutputConnections();
for(unsigned int uiGeometry = 0; uiGeometry < uiNumGeometries; ++uiGeometry )
{
unsigned int uiIndex = m_pSkinCluster->indexForOutputConnection(uiGeometry);
MObject kOutputObject = m_pSkinCluster->outputShapeAtIndex(uiIndex);
if(kOutputObject == mesh.object())
{
foundSkinCluster = true;
}
else
{
delete m_pSkinCluster;
m_pSkinCluster = NULL;
}
}
// load connected skeleton (if present)
if (m_pSkinCluster)
{
if (!m_pSkeleton)
m_pSkeleton = new skeleton();
stat = m_pSkeleton->load(m_pSkinCluster);
if (MS::kSuccess != stat)
std::cout << "Error loading skeleton data\n";
}
else
{
// breakable;
}
}
// get connected shaders
MObjectArray shaders;
MIntArray shaderPolygonMapping;
stat = mesh.getConnectedShaders(0,shaders,shaderPolygonMapping);
if (MS::kSuccess != stat)
{
std::cout << "Error getting connected shaders\n";
return MS::kFailure;
}
if (shaders.length() <= 0)
{
std::cout << "No connected shaders, skipping mesh\n";
return MS::kFailure;
}
// create a series of arrays of faces for each different submesh
std::vector<faceArray> polygonSets;
polygonSets.resize(shaders.length());
// Get faces data
// prepare vertex table
for (int i=0; i<vertices.size(); i++)
vertices[i].next = -2;
//get vertex positions from mesh data
mesh.getPoints(points,MSpace::kWorld);
mesh.getNormals(normals,MSpace::kWorld);
//get list of vertex weights
if (m_pSkinCluster)
{
MItGeometry iterGeom(meshDag);
for (int i=0; !iterGeom.isDone(); iterGeom.next(), i++)
{
weights[i].clear();
Ids[i].clear();
MObject component = iterGeom.component();
MFloatArray vertexWeights;
stat=m_pSkinCluster->getWeights(meshDag,component,vertexWeights,numJoints);
int nWeights = vertexWeights.length();
for(int j = 0;j<nWeights;j++)
{
if(vertexWeights[j] >= 0.00001f || vertexWeights[j] <= -0.00001f )
{
// 记录该节点j
Ids[i].append(j);
weights[i].append(vertexWeights[j]);
}
}
//weights[i]= vertexWeights;
if (MS::kSuccess != stat)
{
std::cout << "Error retrieving vertex weights\n";
}
// get ids for the joints
if (m_pSkeleton)
{
jointIds[i].clear();
if(weights[i].length() > 0 )
{
MDagPathArray influenceObjs;
m_pSkinCluster->influenceObjects(influenceObjs,&stat);
if (MS::kSuccess != stat)
{
std::cout << "Error retrieving influence objects for given skin cluster\n";
}
jointIds[i].setLength(weights[i].length());
for (int j=0; j<jointIds[i].length(); j++)
{
bool foundJoint = false;
for (int k=0; k<m_pSkeleton->getJoints().size() && !foundJoint; k++)
{
if (influenceObjs[Ids[i][j]].partialPathName() == m_pSkeleton->getJoints()[k].name)
{
foundJoint=true;
jointIds[i][j] = m_pSkeleton->getJoints()[k].id;
}
}
}
}
}
}
}
// create an iterator to go through mesh polygons
if (mesh.numPolygons() > 0)
{
const char *name = mesh.name().asChar();
MItMeshPolygon faceIter(mesh.object(),&stat);
if (MS::kSuccess != stat)
{
std::cout << "Error accessing mesh polygons\n";
return MS::kFailure;
}
// iterate over mesh polygons
for (; !faceIter.isDone(); faceIter.next())
{
int numTris=0;
faceIter.numTriangles(numTris);
// for every triangle composing current polygon extract triangle info
for (int iTris=0; iTris<numTris; iTris++)
{
MPointArray triPoints;
MIntArray tempTriVertexIdx,triVertexIdx;
int idx;
// create a new face to store triangle info
face newFace;
// extract triangle vertex indices
faceIter.getTriangle(iTris,triPoints,tempTriVertexIdx);
// convert indices to face-relative indices
MIntArray polyIndices;
faceIter.getVertices(polyIndices);
unsigned int iPoly, iObj;
for (iObj=0; iObj < tempTriVertexIdx.length(); ++iObj)
{
// iPoly is face-relative vertex index
for (iPoly=0; iPoly < polyIndices.length(); ++iPoly)
{
if (tempTriVertexIdx[iObj] == polyIndices[iPoly])
{
triVertexIdx.append(iPoly);
break;
}
}
}
// iterate over triangle's vertices
for (int i=0; i<3; i++)
{
bool different = true;
int vtxIdx = faceIter.vertexIndex(triVertexIdx[i]);
int nrmIdx = faceIter.normalIndex(triVertexIdx[i]);
// get vertex color
MColor color;
if (faceIter.hasColor(triVertexIdx[i]))
{
//This method gets the average color of the all the vertices in this face
stat = faceIter.getColor(color,triVertexIdx[i]);
if (MS::kSuccess != stat)
{
color = MColor(1,1,1,1);
}
if (color.r > 1)
color.r = 1;
if (color.g > 1)
color.g = 1;
if (color.b > 1)
color.b = 1;
if (color.a > 1)
color.a = 1;
}
else
{
color = MColor(1,1,1,1);
}
if (vertices[vtxIdx].next == -2) // first time we encounter a vertex in this position
{
// save vertex position
points[vtxIdx].cartesianize();
vertices[vtxIdx].pointIdx = vtxIdx;
// save vertex normal
vertices[vtxIdx].normalIdx = nrmIdx;
// save vertex colour
vertices[vtxIdx].r = color.r;
vertices[vtxIdx].g = color.g;
vertices[vtxIdx].b = color.b;
vertices[vtxIdx].a = color.a;
// save vertex texture coordinates
vertices[vtxIdx].u.resize(uvsets.length());
vertices[vtxIdx].v.resize(uvsets.length());
// save vbas
vertices[vtxIdx].vba.resize(weights[vtxIdx].length());
for (int j=0; j<weights[vtxIdx].length(); j++)
{
vertices[vtxIdx].vba[j] = (weights[vtxIdx])[j];
}
// save joint ids
vertices[vtxIdx].jointIds.resize(jointIds[vtxIdx].length());
for (int j=0; j<jointIds[vtxIdx].length(); j++)
{
vertices[vtxIdx].jointIds[j] = (jointIds[vtxIdx])[j];
}
// save uv sets data
for (int j=0; j<uvsets.length(); j++)
{
float2 uv;
stat = faceIter.getUV(triVertexIdx[i],uv,&uvsets[j]);
if (MS::kSuccess != stat)
{
uv[0] = 0;
uv[1] = 0;
}
vertices[vtxIdx].u[j] = uv[0];
vertices[vtxIdx].v[j] = (-1)*(uv[1]-1);
}
// save vertex index in face info
newFace.v[i] = vtxIdx;
// update value of index to next vertex info (-1 means nothing next)
vertices[vtxIdx].next = -1;
}
else // already found at least 1 vertex in this position
{
// check if a vertex with same attributes has been saved already
for (int k=vtxIdx; k!=-1 && different; k=vertices[k].next)
{
different = false;
MFloatVector n1 = normals[vertices[k].normalIdx];
MFloatVector n2 = normals[nrmIdx];
if (n1.x!=n2.x || n1.y!=n2.y || n1.z!=n2.z)
{
different = true;
}
if (vertices[k].r!=color.r || vertices[k].g!=color.g || vertices[k].b!= color.b || vertices[k].a!=color.a)
{
different = true;
}
for (int j=0; j<uvsets.length(); j++)
{
float2 uv;
stat = faceIter.getUV(triVertexIdx[i],uv,&uvsets[j]);
if (MS::kSuccess != stat)
{
uv[0] = 0;
uv[1] = 0;
}
uv[1] = (-1)*(uv[1]-1);
if (vertices[k].u[j]!=uv[0] || vertices[k].v[j]!=uv[1])
{
different = true;
}
}
idx = k;
}
// if no identical vertex has been saved, then save the vertex info
if (different)
{
vertexInfo vtx;
// save vertex position
vtx.pointIdx = vtxIdx;
// save vertex normal
vtx.normalIdx = nrmIdx;
// save vertex colour
vtx.r = color.r;
vtx.g = color.g;
vtx.b = color.b;
vtx.a = color.a;
// save vertex vba
vtx.vba.resize(weights[vtxIdx].length());
for (int j=0; j<weights[vtxIdx].length(); j++)
{
vtx.vba[j] = (weights[vtxIdx])[j];
}
// save joint ids
vtx.jointIds.resize(jointIds[vtxIdx].length());
for (int j=0; j<jointIds[vtxIdx].length(); j++)
{
vtx.jointIds[j] = (jointIds[vtxIdx])[j];
}
// save vertex texture coordinates
vtx.u.resize(uvsets.length());
vtx.v.resize(uvsets.length());
for (int j=0; j<uvsets.length(); j++)
{
float2 uv;
stat = faceIter.getUV(triVertexIdx[i],uv,&uvsets[j]);
if (MS::kSuccess != stat)
{
uv[0] = 0;
uv[1] = 0;
}
vtx.u[j] = uv[0];
vtx.v[j] = (-1)*(uv[1]-1);
}
vtx.next = -1;
vertices.push_back(vtx);
// save vertex index in face info
newFace.v[i] = vertices.size()-1;
vertices[idx].next = vertices.size()-1;
}
else
{
newFace.v[i] = idx;
}
}
} // end iteration of triangle vertices
// add face info to the array corresponding to the submesh it belongs
// skip faces with no shaders assigned
if (shaderPolygonMapping[faceIter.index()] >= 0)
polygonSets[shaderPolygonMapping[faceIter.index()]].push_back(newFace);
} // end iteration of triangles
}
}
std::cout << "done reading mesh triangles\n";
// create a submesh for every different shader linked to the mesh
unsigned shaderLength = shaders.length();
for (int i=0; i<shaderLength; i++)
{
// check if the submesh has at least 1 triangle
if (polygonSets[i].size() > 0)
{
//create new submesh
SubMesh* pSubmesh = new SubMesh();
const char *nm = mesh.name().asChar();
const char *nm1 = mesh.partialPathName().asChar();
const char *nm2 = mesh.parentNamespace().asChar();
const char *nm3 = mesh.fullPathName().asChar();
const char *nm4 = meshDag.fullPathName().asChar();
pSubmesh->m_name = meshDag.partialPathName();
if(pDagPath)
pSubmesh->m_name = pDagPath->partialPathName();
const char *szName = pSubmesh->m_name.asChar();
if(shaderLength > 1)
{
char a[256];
sprintf(a,"%d",i);
pSubmesh->m_name += a;
}
OutputDebugString(pSubmesh->m_name.asChar());
OutputDebugString("\n");
//OutputDebugString(szName);
//OutputDebugString("\n");
//load linked shader
stat = pSubmesh->loadMaterial(shaders[i],uvsets);
if (stat != MS::kSuccess)
{
MFnDependencyNode shadingGroup(shaders[i]);
std::cout << "Error loading submesh linked to shader " << shadingGroup.name().asChar() << "\n";
return MS::kFailure;
}
//load vertex and face data
stat = pSubmesh->load(polygonSets[i],vertices,points,normals,opposite);
//add submesh to current mesh
m_submeshes.push_back(pSubmesh);
}
}
return MS::kSuccess;
}
void VMesh::save(const char* filename, int isStart)
{
MStatus status;
MFnMesh meshFn(pgrow, &status );
MItMeshPolygon faceIter( pgrow, &status );
MItMeshVertex vertIter(pgrow, &status);
int m_n_triangle=0, m_n_vertex=0;
MIntArray m_vertex_id;
MFloatArray facevarying_s, facevarying_t;
MPointArray m_vertex_p;
MVectorArray m_vertex_n, m_vertex_t;
meshFn.getPoints(m_vertex_p, MSpace::kWorld);
float auv[2];
faceIter.reset();
for( ; !faceIter.isDone(); faceIter.next() )
{
MIntArray vexlist;
faceIter.getVertices ( vexlist );
m_n_triangle += vexlist.length() - 2;
for( unsigned int i=1; i < vexlist.length()-1; i++ )
{
m_vertex_id.append(vexlist[0]);
m_vertex_id.append(vexlist[i]);
m_vertex_id.append(vexlist[i+1]);
faceIter.getUV(0, auv);
facevarying_s.append(auv[0]);
facevarying_t.append(auv[1]);
faceIter.getUV(i, auv);
facevarying_s.append(auv[0]);
facevarying_t.append(auv[1]);
faceIter.getUV(i+1, auv);
facevarying_s.append(auv[0]);
facevarying_t.append(auv[1]);
}
}
XYZ* pbinormal = new XYZ[meshFn.numVertices()];
XYZ* pv = new XYZ[meshFn.numVertices()];
float* pscale = new float[meshFn.numVertices()];
float* curlarray = new float[meshFn.numVertices()];
float* widtharray = new float[meshFn.numVertices()];
float* densityarray = new float[meshFn.numVertices()];
MVector tnor, tang, ttang, binormal, dir, hair_up, hair_v;
MPoint tpos;
MColor Cscale, Cerect, Crotate, Cstiff, Ccurl, Cwidth, Cdensity;
float rot;
MATRIX44F hair_space, hair_space_inv;
MString setScale("fb_scale");
MString setErect("fb_erect");
MString setRotate("fb_rotate");
MString setStiff("fb_stiffness");
MString setCurl("fb_curl");
MString setWidth("fb_width");
MString setDensity("fb_density");
MIntArray conn_face;
XYZ dP;
vertIter.reset();
for( int i=0; !vertIter.isDone(); vertIter.next(), i++ )
{
vertIter.getConnectedFaces(conn_face);
vertIter.getNormal(tnor, MSpace::kWorld);
tnor.normalize();
m_vertex_n.append(tnor);
vertIter.getColor(Cscale, &setScale);
vertIter.getColor(Cerect, &setErect);
vertIter.getColor(Crotate, &setRotate);
vertIter.getColor(Cstiff, &setStiff);
vertIter.getColor(Ccurl, &setCurl);
vertIter.getColor(Cwidth, &setWidth);
vertIter.getColor(Cdensity, &setDensity);
if(Cstiff.r < 0.1) Cstiff.r = 0.1;
tang = MVector(0,0,0);
for(int j=0; j<conn_face.length(); j++)
{
meshFn.getFaceVertexTangent (conn_face[j], i, ttang, MSpace::kWorld);
ttang.normalize();
tang += ttang;
}
tang /= conn_face.length();
conn_face.clear();
tang.normalize();
tang = tnor^tang;
tang.normalize();
binormal = tnor^tang;
if(Crotate.r<0.5)
{
rot = (0.5 - Crotate.r)*2;
tang = tang + (binormal-tang)*rot;
tang.normalize();
binormal = tnor^tang;
}
else
{
rot = (Crotate.r-0.5)*2;
tang = tang + (binormal*-1-tang)*rot;
tang.normalize();
binormal = tnor^tang;
}
pbinormal[i] = XYZ(binormal.x, binormal.y, binormal.z);
pscale[i] = Cscale.r * m_scale;
dir = tang + (tnor - tang)*Cerect.r;
dir.normalize();
m_vertex_t.append(dir);
hair_up = dir^binormal;
//pup[i] = XYZ(hair_up.x, hair_up.y, hair_up.z);
hair_space.setIdentity();
hair_space.setOrientations(XYZ(binormal.x, binormal.y, binormal.z), XYZ(hair_up.x, hair_up.y, hair_up.z), XYZ(dir.x, dir.y, dir.z));
hair_space.setTranslation(XYZ(m_vertex_p[i].x, m_vertex_p[i].y, m_vertex_p[i].z));
hair_space_inv = hair_space;
hair_space_inv.inverse();
hair_v = getVelocity(i);
dP = XYZ(hair_v.x, hair_v.y, hair_v.z);
hair_space_inv.transformAsNormal(dP);
if(dP.y<0) dP.y = 0;
dP *= m_wind/Cstiff.r;
pv[i] = dP;
curlarray[i] = Ccurl.r;
widtharray[i] = Cwidth.r;
densityarray[i] = Cdensity.r;
}
m_n_vertex = meshFn.numVertices();
FXMLTriangleMap fmap;
fmap.beginMap(filename);
// write vertex id
string static_path(filename);
zGlobal::cutByFirstDot(static_path);
static_path.append(".hbs");
if(isStart == 1)
{
fmap.staticBegin(static_path.c_str(), m_n_triangle);
int* id_list = new int[m_n_triangle*3];
for(int i=0; i<m_n_triangle*3; i++) id_list[i] = m_vertex_id[i];
fmap.addVertexId(m_n_triangle*3, id_list);
delete[] id_list;
float* sarray = new float[m_n_triangle*3];
float* tarray = new float[m_n_triangle*3];
for(int i=0; i<m_n_triangle*3; i++)
{
sarray[i] = facevarying_s[i];
tarray[i] = facevarying_t[i];
}
fmap.addStaticFloatArray("root_s", m_n_triangle*3, sarray);
fmap.addStaticFloatArray("root_t", m_n_triangle*3, tarray);
delete[] sarray;
delete[] tarray;
XYZ* recpref = new XYZ[m_n_vertex];
for(int i=0; i<m_n_vertex; i++) recpref[i] = XYZ(m_vertex_p[i].x, m_vertex_p[i].y, m_vertex_p[i].z);
fmap.addPref(m_n_vertex, recpref);
delete[] recpref;
fmap.addStaticFloatArray("scale", m_n_vertex, pscale);
fmap.addStaticFloatArray("curl", m_n_vertex, curlarray);
fmap.addStaticFloatArray("width", m_n_vertex, widtharray);
fmap.addStaticFloatArray("density", m_n_vertex, densityarray);
fmap.staticEnd();
}
else
{
fmap.staticBeginNoWrite(static_path.c_str(), m_n_triangle);
fmap.addVertexId(m_n_triangle*3);
fmap.addStaticFloatArray("root_s", m_n_triangle*3);
fmap.addStaticFloatArray("root_t", m_n_triangle*3);
fmap.addPref(m_n_vertex);
fmap.addStaticFloatArray("scale", m_n_vertex);
fmap.addStaticFloatArray("curl", m_n_vertex);
fmap.addStaticFloatArray("width", m_n_vertex);
fmap.addStaticFloatArray("density", m_n_vertex);
fmap.staticEndNoWrite();
}
delete[] curlarray;
delete[] widtharray;
delete[] densityarray;
// write vertex p
string dynamic_path(filename);
zGlobal::cutByLastDot(dynamic_path);
dynamic_path.append(".hbd");
fmap.dynamicBegin(dynamic_path.c_str());
XYZ* recp = new XYZ[m_n_vertex];
for(int i=0; i<m_n_vertex; i++) recp[i] = XYZ(m_vertex_p[i].x, m_vertex_p[i].y, m_vertex_p[i].z);
fmap.addP(m_n_vertex, recp);
delete[] recp;
// write vertex n
XYZ* recn = new XYZ[m_n_vertex];
for(int i=0; i<m_n_vertex; i++) recn[i] = XYZ(m_vertex_n[i].x, m_vertex_n[i].y, m_vertex_n[i].z);
fmap.addN(m_n_vertex, recn);
delete[] recn;
// write veretx tangent
XYZ* rect = new XYZ[m_n_vertex];
for(int i=0; i<m_n_vertex; i++) rect[i] = XYZ(m_vertex_t[i].x, m_vertex_t[i].y, m_vertex_t[i].z);
fmap.addDynamicVectorArray("direction", m_n_vertex, rect);
delete[] rect;
// write vertex binormal
fmap.addDynamicVectorArray("binormal", m_n_vertex, pbinormal);
delete[] pbinormal;
// write vertex up
// fmap.addDynamicVectorArray("up", m_n_vertex, pup);
// delete[] pup;
// write vertex wind
fmap.addDynamicVectorArray("wind", m_n_vertex, pv);
delete[] pv;
// write bound box
MPoint corner_l, corner_h;
getBBox(corner_l, corner_h);
fmap.addBBox(corner_l.x, corner_l.y, corner_l.z, corner_h.x, corner_h.y, corner_h.z);
fmap.dynamicEnd();
fmap.endMap(filename);
char info[256];
sprintf(info, "hairBase writes %s", filename);
MGlobal::displayInfo ( info );
m_vertex_id.clear();
m_vertex_p.clear();
m_vertex_n.clear();
m_vertex_t.clear();
delete[] pscale;
}
MObject VMesh::createFeather()
{
MStatus stat;
MFnMeshData dataCreator;
MObject outMeshData = dataCreator.create(&stat);
int numVertex = 0;
int numPolygon = 0;
MPointArray vertexArray;
MFloatArray uArray, vArray;
MIntArray polygonCounts, polygonConnects, polygonUVs;
MFnMesh meshFn(pgrow, &stat);
MItMeshVertex vertIter(pgrow, &stat);
MItMeshPolygon faceIter(pgrow, &stat);
MPoint S;
MVector N, tang, ttang, binormal, dir, hair_up;
MColor Cscale, Cerect, Crotate, Ccurl, Cwidth;
float rot, lengreal;
MATRIX44F hair_space;
MString setScale("fb_scale");
MString setErect("fb_erect");
MString setRotate("fb_rotate");
MString setCurl("fb_curl");
MString setWidth("fb_width");
MIntArray conn_face;
for( int i=0; !vertIter.isDone(); vertIter.next(), i++ )
{
if(vertIter.onBoundary()) continue;
vertIter.getNormal(N, MSpace::kWorld);
N.normalize();
vertIter.getColor(Cscale, &setScale);
vertIter.getColor(Cerect, &setErect);
vertIter.getColor(Crotate, &setRotate);
vertIter.getColor(Ccurl, &setCurl);
vertIter.getColor(Cwidth, &setWidth);
vertIter.getConnectedFaces(conn_face);
tang = MVector(0,0,0);
for(int j=0; j<conn_face.length(); j++)
{
meshFn.getFaceVertexTangent (conn_face[j], i, ttang, MSpace::kWorld);
ttang.normalize();
tang += ttang;
}
tang /= conn_face.length();
conn_face.clear();
tang.normalize();
tang = N^tang;
tang.normalize();
binormal = N^tang;
if(Crotate.r<0.5)
{
rot = (0.5 - Crotate.r)*2;
tang = tang + (binormal-tang)*rot;
tang.normalize();
binormal = N^tang;
}
else
{
rot = (Crotate.r-0.5)*2;
tang = tang + (binormal*-1-tang)*rot;
tang.normalize();
binormal = N^tang;
}
dir = tang + (N - tang)*Cerect.r;
dir.normalize();
//S = S+dir*Cscale.r*m_scale;
//glVertex3f(S.x, S.y, S.z);
hair_up = dir^binormal;
hair_space.setIdentity();
hair_space.setOrientations(XYZ(binormal.x, binormal.y, binormal.z), XYZ(hair_up.x, hair_up.y, hair_up.z), XYZ(dir.x, dir.y, dir.z));
S = vertIter.position(MSpace::kWorld);
hair_space.setTranslation(XYZ(S.x, S.y, S.z));
lengreal = Cscale.r*m_scale;
fb->create(lengreal, 0, lengreal*(Ccurl.r-0.5)*2);
XYZ pw;
MPoint pvx;
MPoint pright = S + binormal*Cwidth.r*m_width*lengreal;
MPoint pleft = S - binormal*Cwidth.r*m_width*lengreal;
MPoint phit;
int polyhit;
meshFn.getClosestPoint (pright, phit, MSpace::kObject, &polyhit);
MVector topright = phit - S;
topright.normalize();
topright *= Cwidth.r*m_width*lengreal;
meshFn.getClosestPoint (pleft, phit, MSpace::kObject, &polyhit);
MVector topleft = phit - S;
topleft.normalize();
topleft *= Cwidth.r*m_width*lengreal;
//tws_binormal = binormal*cos(0.2) + hair_up*sin(0.2);
for(int j=0; j<NUMBENDSEG+1; j++)
{
fb->getPoint(j, pw);
hair_space.transform(pw);
pvx = MPoint(pw.x, pw.y, pw.z) + topleft;//- tws_binormal*Cwidth.r*m_width*lengreal;
vertexArray.append(pvx);
pvx = MPoint(pw.x, pw.y, pw.z);
vertexArray.append(pvx);
pvx = MPoint(pw.x, pw.y, pw.z) + topright;//tws_binormal*Cwidth.r*m_width*lengreal;
vertexArray.append(pvx);
uArray.append(0.0);
vArray.append((float)j/NUMBENDSEG);
uArray.append(0.5);
vArray.append((float)j/NUMBENDSEG);
uArray.append(1.0);
vArray.append((float)j/NUMBENDSEG);
}
for(int j=0; j<NUMBENDSEG; j++)
{
polygonConnects.append(j*3 + numVertex);
polygonConnects.append(j*3+3 + numVertex);
polygonConnects.append(j*3+4 + numVertex);
polygonConnects.append(j*3+1 + numVertex);
polygonCounts.append(4);
polygonConnects.append(j*3+1 + numVertex);
polygonConnects.append(j*3+4 + numVertex);
polygonConnects.append(j*3+5 + numVertex);
polygonConnects.append(j*3+2 + numVertex);
polygonCounts.append(4);
polygonUVs.append(j*3 + numVertex);
polygonUVs.append(j*3+3 + numVertex);
polygonUVs.append(j*3+4 + numVertex);
polygonUVs.append(j*3+1 + numVertex);
polygonUVs.append(j*3+1 + numVertex);
polygonUVs.append(j*3+4 + numVertex);
polygonUVs.append(j*3+5 + numVertex);
polygonUVs.append(j*3+2 + numVertex);
}
numVertex += (NUMBENDSEG+1)*3;
numPolygon += NUMBENDSEG*2;
}
MIntArray connvert;
int idxpre;
float averg_scale, averg_erect, averg_rotate, averg_curl, averg_width;
for( int i=0; !faceIter.isDone(); faceIter.next(), i++ )
{
if(faceIter.onBoundary()) continue;
faceIter.getNormal(N, MSpace::kWorld);
N.normalize();
faceIter.getVertices(connvert);
averg_scale=averg_erect=averg_rotate=averg_curl=0;
for(int j=0; j<connvert.length(); j++)
{
vertIter.setIndex(connvert[j], idxpre);
vertIter.getColor(Cscale, &setScale);
vertIter.getColor(Cerect, &setErect);
vertIter.getColor(Crotate, &setRotate);
vertIter.getColor(Ccurl, &setCurl);
vertIter.getColor(Cwidth, &setWidth);
averg_scale += Cscale.r;
averg_erect += Cerect.r;
averg_rotate += Crotate.r;
averg_curl += Ccurl.r;
averg_width += Cwidth.r;
}
averg_scale /= connvert.length();
averg_erect /= connvert.length();
averg_rotate /= connvert.length();
averg_curl /= connvert.length();
averg_width /= connvert.length();
tang = MVector(0,0,0);
for(int j=0; j<connvert.length(); j++)
{
meshFn.getFaceVertexTangent (i, connvert[j], ttang, MSpace::kWorld);
ttang.normalize();
tang += ttang;
}
//tang /= conn_face.length();
connvert.clear();
tang.normalize();
tang = N^tang;
tang.normalize();
binormal = N^tang;
if(averg_rotate<0.5)
{
rot = (0.5 - averg_rotate)*2;
tang = tang + (binormal-tang)*rot;
tang.normalize();
binormal = N^tang;
}
else
{
rot = (averg_rotate-0.5)*2;
tang = tang + (binormal*-1-tang)*rot;
tang.normalize();
binormal = N^tang;
}
dir = tang + (N - tang)*averg_erect;
dir.normalize();
//S = S+dir*Cscale.r*m_scale;
//glVertex3f(S.x, S.y, S.z);
hair_up = dir^binormal;
hair_space.setIdentity();
hair_space.setOrientations(XYZ(binormal.x, binormal.y, binormal.z), XYZ(hair_up.x, hair_up.y, hair_up.z), XYZ(dir.x, dir.y, dir.z));
S = faceIter.center(MSpace::kWorld);
hair_space.setTranslation(XYZ(S.x, S.y, S.z));
lengreal = Cscale.r*m_scale;
fb->create(lengreal, 0, lengreal*(averg_curl-0.5)*2);
MPoint pright = S + binormal*Cwidth.r*m_width*lengreal;
MPoint pleft = S - binormal*Cwidth.r*m_width*lengreal;
XYZ pw;
MPoint pvx;
MPoint phit;
int polyhit;
meshFn.getClosestPoint (pright, phit, MSpace::kObject, &polyhit);
MVector topright = phit - S;
topright.normalize();
topright *= Cwidth.r*m_width*lengreal;
meshFn.getClosestPoint (pleft, phit, MSpace::kObject, &polyhit);
MVector topleft = phit - S;
topleft.normalize();
topleft *= Cwidth.r*m_width*lengreal;
//tws_binormal = binormal*cos(0.2) + hair_up*sin(0.2);
for(int j=0; j<NUMBENDSEG+1; j++)
{
fb->getPoint(j, pw);
hair_space.transform(pw);
pvx = MPoint(pw.x, pw.y, pw.z) + topleft;//- tws_binormal*averg_width*m_width*lengreal;
vertexArray.append(pvx);
pvx = MPoint(pw.x, pw.y, pw.z);
vertexArray.append(pvx);
pvx = MPoint(pw.x, pw.y, pw.z) + topright;//tws_binormal*averg_width*m_width*lengreal;
vertexArray.append(pvx);
uArray.append(0.0);
vArray.append((float)j/NUMBENDSEG);
uArray.append(0.5);
vArray.append((float)j/NUMBENDSEG);
uArray.append(1.0);
vArray.append((float)j/NUMBENDSEG);
}
for(int j=0; j<NUMBENDSEG; j++)
{
polygonConnects.append(j*3 + numVertex);
polygonConnects.append(j*3+3 + numVertex);
polygonConnects.append(j*3+4 + numVertex);
polygonConnects.append(j*3+1 + numVertex);
polygonCounts.append(4);
polygonConnects.append(j*3+1 + numVertex);
polygonConnects.append(j*3+4 + numVertex);
polygonConnects.append(j*3+5 + numVertex);
polygonConnects.append(j*3+2 + numVertex);
polygonCounts.append(4);
polygonUVs.append(j*3 + numVertex);
polygonUVs.append(j*3+3 + numVertex);
polygonUVs.append(j*3+4 + numVertex);
polygonUVs.append(j*3+1 + numVertex);
polygonUVs.append(j*3+1 + numVertex);
polygonUVs.append(j*3+4 + numVertex);
polygonUVs.append(j*3+5 + numVertex);
polygonUVs.append(j*3+2 + numVertex);
}
numVertex += (NUMBENDSEG+1)*3;
numPolygon += NUMBENDSEG*2;
}
MFnMesh meshCreateFn;
meshCreateFn.create( numVertex, numPolygon, vertexArray, polygonCounts, polygonConnects, outMeshData, &stat );
meshCreateFn.setUVs ( uArray, vArray );
meshCreateFn.assignUVs ( polygonCounts, polygonUVs );
return outMeshData;
}
// write a normal mesh
//
MStatus vxCache::writeMesh(const char* filename, MDagPath meshDag, const MObject& meshObj)
{
struct meshInfo mesh;
MString uvset("map1");
MStatus status;
MFnMesh meshFn(meshDag, &status );
MItMeshPolygon faceIter( meshDag, MObject::kNullObj, &status );
MItMeshVertex vertIter(meshDag, MObject::kNullObj, &status);
MItMeshEdge edgeIter(meshDag, MObject::kNullObj, &status);
mesh.numPolygons = meshFn.numPolygons();
mesh.numVertices = meshFn.numVertices();
mesh.numFaceVertices = meshFn.numFaceVertices();
mesh.numUVs = meshFn.numUVs(uvset, &status);
mesh.skip_interreflection = mesh.skip_scattering = 0;
//if(zWorks::hasNamedAttribute(meshObj, "_prt_ig_intr") == 1) mesh.skip_interreflection = 1;
//if(zWorks::hasNamedAttribute(meshObj, "_prt_ig_scat") == 1) mesh.skip_scattering = 1;
//zWorks::displayIntParam("N Face", mesh.numPolygons);
//zWorks::displayIntParam("N Vertex", mesh.numVertices);
//zWorks::displayIntParam("N Facevertex", mesh.numFaceVertices);
//zWorks::displayIntParam("N UV", mesh.numUVs);
int *fcbuf = new int[mesh.numPolygons];
faceIter.reset();
for( ; !faceIter.isDone(); faceIter.next() )
{
fcbuf[ faceIter.index() ] = faceIter.polygonVertexCount();
}
int* vertex_id = new int[mesh.numFaceVertices];
int* uv_id = new int[mesh.numFaceVertices];
// output face loop
int acc = 0;
faceIter.reset();
for( ; !faceIter.isDone(); faceIter.next() )
{
MIntArray vexlist;
faceIter.getVertices ( vexlist );
for( unsigned int i=0; i < vexlist.length(); i++ )
{
vertex_id[acc] = vexlist[i];
faceIter.getUVIndex ( i, uv_id[acc] );
acc++;
}
}
// output vertices
MPointArray pArray;
if(worldSpace) meshFn.getPoints ( pArray, MSpace::kWorld);
else meshFn.getPoints ( pArray, MSpace::kObject );
XYZ *pbuf = new XYZ[pArray.length()];
for( unsigned int i=0; i<pArray.length(); i++)
{
pbuf[i].x = pArray[i].x;
pbuf[i].y = pArray[i].y;
pbuf[i].z= pArray[i].z;
}
//output texture coordinate
MFloatArray uArray, vArray;
meshFn.getUVs ( uArray, vArray, &uvset );
double* ubuf = new double[mesh.numUVs];
double* vbuf = new double[mesh.numUVs];
for( unsigned int i=0; i<uArray.length(); i++)
{
ubuf[i] = uArray[i];
vbuf[i] = vArray[i];
}
/*
XYZ *norbuf = new XYZ[mesh.numVertices];
vertIter.reset();
MVector tnor;
for( unsigned int i=0; !vertIter.isDone(); vertIter.next(), i++ )
{
if(worldSpace) vertIter.getNormal(tnor, MSpace::kWorld);
else vertIter.getNormal(tnor, MSpace::kObject);
tnor.normalize();
norbuf[i].x = tnor.x;
norbuf[i].y = tnor.y;
norbuf[i].z = tnor.z;
}
MStatus hasAttr;
MString sColorSet("set_prt_attr");
meshFn.numColors( sColorSet, &hasAttr );
XYZ *colbuf = new XYZ[mesh.numVertices];
vertIter.reset();
if(hasAttr)
{
MColor col;
for( unsigned int i=0; !vertIter.isDone(); vertIter.next(), i++ )
{
MIntArray conn_face;
vertIter.getConnectedFaces(conn_face);
vertIter.getColor(col, conn_face[0], &sColorSet);
colbuf[i].x = col.r;
colbuf[i].y = col.g;
colbuf[i].z = col.b;
}
}
else
{
for( unsigned int i=0; i<vertIter.count(); i++ ) colbuf[i] = XYZ(1.0f);
}
vertIter.reset();
XYZ *vsbuf = new XYZ[mesh.numVertices];
for( unsigned int i=0; !vertIter.isDone(); vertIter.next(), i++ )
{
MIntArray conn_face, conn_edge;
vertIter.getConnectedFaces(conn_face);
vertIter.getConnectedEdges(conn_edge);
MPoint Q;
for(unsigned j=0; j<conn_face.length(); j++)
{
int pre_id;
faceIter.setIndex(conn_face[j],pre_id);
Q += faceIter.center(MSpace::kWorld);
}
Q = Q/(double)conn_face.length();
MPoint R;
for(unsigned j=0; j<conn_edge.length(); j++)
{
int pre_id;
edgeIter.setIndex(conn_edge[j], pre_id);
R += edgeIter.center(MSpace::kWorld);
}
R = R/(double)conn_edge.length();
MPoint S = vertIter.position(MSpace::kWorld);
int nv = conn_edge.length();
MPoint nS = (Q + R*2 + S*(nv-3))/nv;
vsbuf[i].x = nS.x;
vsbuf[i].y = nS.y;
vsbuf[i].z = nS.z;
}
XYZ *tangbuf = new XYZ[mesh.numVertices];
vertIter.reset();
for( unsigned int i=0; !vertIter.isDone(); vertIter.next(), i++ )
{
MIntArray conn_face;
MVector tang(0,0,0);
vertIter.getConnectedFaces(conn_face);
//for(int j = 0; j<conn_face.length(); j++)
{
MVector ttang;
meshFn.getFaceVertexTangent (conn_face[0], i, ttang, MSpace::kWorld, &uvset);
tang += ttang;
}
tang.normalize();
tangbuf[i].x = tang.x;
tangbuf[i].y = tang.y;
tangbuf[i].z = tang.z;
tangbuf[i] = norbuf[i].cross(tangbuf[i]);
tangbuf[i].normalize();
}
*/
FMCFMesh fmesh;
fmesh.save(mesh.numVertices,
mesh.numFaceVertices,
mesh.numPolygons,
mesh.numUVs,
mesh.skip_interreflection,
mesh.skip_scattering,
fcbuf,
vertex_id,
uv_id,
pbuf,
//vsbuf,
//norbuf,
//tangbuf,
//colbuf,
ubuf,
vbuf,
filename);
delete[] fcbuf;
delete[] vertex_id;
delete[] uv_id;
delete[] pbuf;
//delete[] vsbuf;
//delete[] norbuf;
//delete[] tangbuf;
//delete[] colbuf;
delete[] ubuf;
delete[] vbuf;
return MS::kSuccess;
}
void getPointAndNormal(MDagPath meshDagPath, int faceIndex, bool relative, double parameterU, double parameterV, MPoint &point, MVector &normal, MObject theMesh)
{
// CREATE FACE ITERATOR, AND SET ITS INDEX TO THAT OF THE SPECIFIED FACE:
MItMeshPolygon faceIter(meshDagPath);
if (theMesh!=MObject::kNullObj)
faceIter.reset(theMesh);
int dummyIndex;
faceIter.setIndex(faceIndex, dummyIndex);
// WHEN "RELATIVE" MODE IS SPECIFIED, CALCULATE THE *ABSOLUTE* UV'S FROM THE SPECIFIED FACE AND "RELATIVE" UV'S:
float u, v;
if (relative)
{
MFloatArray uArray, vArray;
faceIter.getUVs(uArray, vArray);
float minU=999999, minV=999999, maxU=0, maxV=0;
for (unsigned i=0; i<uArray.length(); i++)
{
minU = (uArray[i] < minU) ? uArray[i] : minU;
minV = (vArray[i] < minV) ? vArray[i] : minV;
maxU = (uArray[i] > maxU) ? uArray[i] : maxU;
maxV = (vArray[i] > maxV) ? vArray[i] : maxV;
}
u = minU + (float)parameterU * (maxU - minU);
v = minV + (float)parameterV * (maxV - minV);
}
// OTHERWISE, JUST TAKE THE ABSOLUTE UV'S TO BE THE ONES SPECIFIED:
else
{
u = (float)parameterU;
v = (float)parameterV;
}
// FIND THE WORLDSPACE COORDINATE AT THE SPECIFIED UV:
float2 UV;
UV[0] = u;
UV[1] = v;
faceIter.getPointAtUV(point, UV, MSpace::kWorld);
// FIND THE NORMAL AT THE SPECIFIED UV:
MFnMesh meshFn(meshDagPath);
if (theMesh!=MObject::kNullObj)
meshFn.setObject(theMesh);
meshFn.getClosestNormal(point, normal, MSpace::kWorld);
}
void ExportACache::save(const char* filename, int frameNumber, char bfirst)
{
MStatus status;
FXMLScene xml_f;
xml_f.begin(filename, frameNumber, bfirst);
for(unsigned it=0; it<m_mesh_list.length(); it++) {
m_mesh_list[it].extendToShape();
MString surface = m_mesh_list[it].partialPathName();
AHelper::validateFilePath(surface);
MFnDependencyNode fnode(m_mesh_list[it].node());
MString smsg("prtMsg");
MStatus hasMsg;
MPlug pmsg = fnode.findPlug( smsg, 1, &hasMsg );
char bNoChange = 0;
if(hasMsg) {
MObject oattrib;
AHelper::getConnectedNode(oattrib, pmsg);
fnode.setObject(oattrib);
bool iattr = 0;
AHelper::getBoolAttributeByName(fnode, "noChange", iattr);
if(iattr) bNoChange = 1;
}
xml_f.meshBegin(surface.asChar(), bNoChange);
MFnMesh meshFn(m_mesh_list[it], &status );
MItMeshPolygon faceIter(m_mesh_list[it], MObject::kNullObj, &status );
MItMeshVertex vertIter(m_mesh_list[it], MObject::kNullObj, &status);
MItMeshEdge edgeIter(m_mesh_list[it], MObject::kNullObj, &status);
int n_tri = 0;
float f_area = 0;
double area;
faceIter.reset();
for( ; !faceIter.isDone(); faceIter.next() ) {
MIntArray vexlist;
faceIter.getVertices ( vexlist );
n_tri += vexlist.length() - 2;
faceIter.getArea( area, MSpace::kWorld );
f_area += (float)area;
}
xml_f.triangleInfo(n_tri, f_area);
float avg_grid = sqrt(f_area/n_tri)/2;
double light_intensity = 1.0;
if(hasMsg) {
MObject oattrib;
AHelper::getConnectedNode(oattrib, pmsg);
fnode.setObject(oattrib);
bool iattr = 0;
AHelper::getBoolAttributeByName(fnode, "noChange", iattr);
if(iattr) xml_f.addAttribute("noChange", 1);
AHelper::getBoolAttributeByName(fnode, "skipIndirect", iattr);
if(iattr) xml_f.addAttribute("skipIndirect", 1);
iattr = 0;
AHelper::getBoolAttributeByName(fnode, "skipScatter", iattr);
if(iattr) xml_f.addAttribute("skipScatter", 1);
iattr = 0;
AHelper::getBoolAttributeByName(fnode, "skipBackscatter", iattr);
if(iattr) xml_f.addAttribute("skipBackscatter", 1);
iattr = 0;
AHelper::getBoolAttributeByName(fnode, "asLightsource", iattr);
if(iattr) xml_f.addAttribute("asLightsource", 1);
iattr = 0;
AHelper::getBoolAttributeByName(fnode, "asGhost", iattr);
if(iattr) xml_f.addAttribute("invisible", 1);
iattr = 0;
AHelper::getBoolAttributeByName(fnode, "castNoShadow", iattr);
if(iattr) xml_f.addAttribute("noShadow", 1);
double td;
if(AHelper::getDoubleAttributeByName(fnode, "lightIntensity", td)) light_intensity = td;
fnode.setObject(m_mesh_list[it].node());
}
xml_f.staticBegin();
int n_poly = meshFn.numPolygons();
int n_vert = meshFn.numVertices();
int* polycount = new int[n_poly];
faceIter.reset();
for( ; !faceIter.isDone(); faceIter.next() ) polycount[ faceIter.index() ] = faceIter.polygonVertexCount();
xml_f.addFaceCount(n_poly, polycount);
delete[] polycount;
int n_facevertex = meshFn.numFaceVertices();
int* polyconnect = new int[n_facevertex];
int acc = 0;
faceIter.reset();
for( ; !faceIter.isDone(); faceIter.next() )
{
MIntArray vexlist;
faceIter.getVertices ( vexlist );
for( int i=vexlist.length()-1; i >=0; i-- )
{
polyconnect[acc] = vexlist[i];
acc++;
}
}
xml_f.addFaceConnection(n_facevertex, polyconnect);
delete[] polyconnect;
int* triconnect = new int[3*n_tri];
acc = 0;
faceIter.reset();
for( ; !faceIter.isDone(); faceIter.next() )
{
MIntArray vexlist;
faceIter.getVertices ( vexlist );
for( int i=vexlist.length()-2; i >0; i-- )
{
triconnect[acc] = vexlist[vexlist.length()-1];
acc++;
triconnect[acc] = vexlist[i];
acc++;
triconnect[acc] = vexlist[i-1];
acc++;
}
}
xml_f.addTriangleConnection(3*n_tri, triconnect);
delete[] triconnect;
if(meshFn.numUVSets() > 0)
{
MStringArray setNames;
meshFn.getUVSetNames(setNames);
for(unsigned i=0; i< setNames.length(); i++)
{
float* scoord = new float[n_facevertex];
float* tcoord = new float[n_facevertex];
acc = 0;
faceIter.reset();
MFloatArray uarray, varray;
if(faceIter.hasUVs (setNames[i], &status))
{
for( ; !faceIter.isDone(); faceIter.next() )
{
faceIter.getUVs ( uarray, varray, &setNames[i] );
for( int j=uarray.length()-1; j >=0 ; j-- )
{
scoord[acc] = uarray[j];
tcoord[acc] = 1.0 - varray[j];
acc++;
}
}
if(setNames[i] == "map1")
{
xml_f.uvSetBegin(setNames[i].asChar());
xml_f.addS("facevarying float s", meshFn.numFaceVertices(), scoord);
xml_f.addT("facevarying float t", meshFn.numFaceVertices(), tcoord);
xml_f.uvSetEnd();
}
else
{
xml_f.uvSetBegin(setNames[i].asChar());
std::string paramname("facevarying float u_");
paramname.append(setNames[i].asChar());
xml_f.addS(paramname.c_str(), meshFn.numFaceVertices(), scoord);
paramname = "facevarying float v_";
paramname.append(setNames[i].asChar());
xml_f.addT(paramname.c_str(), meshFn.numFaceVertices(), tcoord);
xml_f.uvSetEnd();
}
}
else MGlobal::displayWarning(MString("Skip empty uv set: ") + setNames[i]);
delete[] scoord;
delete[] tcoord;
}
}
MStringArray colorSetNames;
meshFn.getColorSetNames (colorSetNames);
for(unsigned int i=0; i<colorSetNames.length(); i++)
{
MStatus hasColor;
XYZ *colors = new XYZ[n_vert];
vertIter.reset();
MString aset = colorSetNames[i];
MColor col;
for( unsigned int i=0; !vertIter.isDone(); vertIter.next(), i++ ) {
MIntArray conn_face;
vertIter.getConnectedFaces(conn_face);
vertIter.getColor(col, conn_face[0], &aset);
colors[i].x = col.r*light_intensity;
colors[i].y = col.g*light_intensity;
colors[i].z = col.b*light_intensity;
}
xml_f.addVertexColor(aset.asChar(), n_vert, colors);
delete[] colors;
}
//if(!bNoChange) {
//}
MPointArray p_vert;
meshFn.getPoints ( p_vert, MSpace::kWorld );
MPoint corner_l(10e6, 10e6, 10e6);
MPoint corner_h(-10e6, -10e6, -10e6);
for( unsigned int i=0; i<p_vert.length(); i++) {
if( p_vert[i].x < corner_l.x ) corner_l.x = p_vert[i].x;
if( p_vert[i].y < corner_l.y ) corner_l.y = p_vert[i].y;
if( p_vert[i].z < corner_l.z ) corner_l.z = p_vert[i].z;
if( p_vert[i].x > corner_h.x ) corner_h.x = p_vert[i].x;
if( p_vert[i].y > corner_h.y ) corner_h.y = p_vert[i].y;
if( p_vert[i].z > corner_h.z ) corner_h.z = p_vert[i].z;
}
XYZ *cv = new XYZ[n_vert];
for( unsigned int i=0; i<p_vert.length(); i++)
{
cv[i].x = p_vert[i].x;
cv[i].y = p_vert[i].y;
cv[i].z= p_vert[i].z;
}
//if(!bNoChange)
//else
xml_f.addStaticP(n_vert, cv);
XYZ *nor = new XYZ[n_vert];
XYZ *tang = new XYZ[n_vert];
vertIter.reset();
MVector vnor;
for( unsigned int i=0; !vertIter.isDone(); vertIter.next(), i++ )
{
vertIter.getNormal(vnor, MSpace::kWorld);
vnor.normalize();
nor[i].x = vnor.x;
nor[i].y = vnor.y;
nor[i].z = vnor.z;
}
MString uvset("map1");
vertIter.reset();
for( unsigned int i=0; !vertIter.isDone(); vertIter.next(), i++ )
{
MIntArray conn_face;
vertIter.getConnectedFaces(conn_face);
MVector ctang(0,0,0);
MVector ttang;
for(unsigned j = 0; j<conn_face.length(); j++)
{
meshFn.getFaceVertexTangent (conn_face[j], i, ttang, MSpace::kWorld, &uvset);
ttang.normalize();
ctang += ttang;
}
ctang.normalize();
tang[i].x = ctang.x;
tang[i].y = ctang.y;
tang[i].z = ctang.z;
tang[i] = nor[i].cross(tang[i]);
tang[i].normalize();
}
//if(!bNoChange)
//else
xml_f.addStaticN(n_vert, nor);
//xml_f.addTangent(n_vert, tang);
// export per-vertex thickness
float* vgrd = new float[n_vert];
int pidx;
vertIter.reset();
for( unsigned int i=0; !vertIter.isDone(); vertIter.next(), i++ ) {
MIntArray connfaces;
vertIter.getConnectedFaces( connfaces );
float connarea = 0;
for(unsigned j=0; j<connfaces.length(); j++)
{
faceIter.setIndex(connfaces[j], pidx);
faceIter.getArea(area, MSpace::kWorld );
connarea += (float)area/faceIter.polygonVertexCount();
}
vgrd[i] = sqrt(connarea)/2;
if(vgrd[i] > avg_grid) vgrd[i] = avg_grid;
}
//if(!bNoChange)
//else
xml_f.addStaticGridSize(n_vert, vgrd);
//
//else
xml_f.staticEnd();
if(!bNoChange) {
xml_f.dynamicBegin();
xml_f.addP(n_vert, cv);
xml_f.addN(n_vert, nor);
xml_f.addGridSize(n_vert, vgrd);
xml_f.dynamicEnd();
}
delete[] cv;
delete[] tang;
delete[] nor;
delete[] vgrd;
xml_f.addBBox(corner_l.x, corner_l.y, corner_l.z, corner_h.x, corner_h.y, corner_h.z);
xml_f.meshEnd(bNoChange);
}
/* disable nurbs for now
float aspace[4][4];
for(unsigned it=0; it<m_nurbs_list.length(); it++) {
MVector scale = AHelper::getTransformWorldNoScale(m_nurbs_list[it].fullPathName(), aspace);
MString surfacename = m_nurbs_list[it].fullPathName();
AHelper::validateFilePath(surfacename);
xml_f.transformBegin(surfacename.asChar(), aspace);
xml_f.addScale(scale.x, scale.y, scale.z);
m_nurbs_list[it].extendToShape();
surfacename = m_nurbs_list[it].fullPathName();
AHelper::validateFilePath(surfacename);
MFnNurbsSurface fsurface(m_nurbs_list[it]);
int degreeU = fsurface.degreeU();
int degreeV = fsurface.degreeV();
int formU, formV;
if(fsurface.formInU() == MFnNurbsSurface::kOpen ) formU = 0;
else if(fsurface.formInU() == MFnNurbsSurface::kClosed ) formU = 1;
else formU = 2;
if(fsurface.formInV() == MFnNurbsSurface::kOpen ) formV = 0;
else if(fsurface.formInV() == MFnNurbsSurface::kClosed ) formV = 1;
else formV = 2;
xml_f.nurbssurfaceBegin(surfacename.asChar(), degreeU, degreeV, formU, formV);
xml_f.staticBegin();
MPointArray p_cvs;
fsurface.getCVs( p_cvs, MSpace::kObject );
unsigned n_cvs = p_cvs.length();
XYZ *cv = new XYZ[n_cvs];
for(unsigned i=0; i<n_cvs; i++) {
cv[i].x = p_cvs[i].x;
cv[i].y = p_cvs[i].y;
cv[i].z= p_cvs[i].z;
}
xml_f.addStaticVec("cvs", n_cvs, cv);
delete[] cv;
MDoubleArray knotu, knotv;
fsurface.getKnotsInU(knotu);
fsurface.getKnotsInV(knotv);
unsigned n_ku = knotu.length();
unsigned n_kv = knotv.length();
float *ku = new float[n_ku];
for(unsigned i=0; i<n_ku; i++) ku[i] = knotu[i];
float *kv = new float[n_kv];
for(unsigned i=0; i<n_kv; i++) kv[i] = knotv[i];
xml_f.addStaticFloat("knotu", n_ku, ku);
xml_f.addStaticFloat("knotv", n_kv, kv);
delete[] ku;
delete[] kv;
xml_f.staticEnd();
xml_f.nurbssurfaceEnd();
xml_f.transformEnd();
}
*/
xml_f.cameraBegin("backscat_camera", m_space);
xml_f.cameraEnd();
xml_f.cameraBegin("eye_camera", m_eye);
p_eye.extendToShape();
MFnCamera feye(p_eye);
xml_f.addAttribute("focal_length", (float)feye.focalLength());
xml_f.addAttribute("horizontal_film_aperture", (float)feye.horizontalFilmAperture());
xml_f.addAttribute("vertical_film_aperture", (float)feye.verticalFilmAperture());
xml_f.addAttribute("near_clipping_plane", (float)feye.nearClippingPlane());
xml_f.addAttribute("far_clipping_plane", (float)feye.farClippingPlane());
xml_f.cameraEnd();
xml_f.end(filename);
}
bool tm_polyExtract::extractFaces_Func( MSelectionList &selectionList, MStringArray &node_names)
{
MStatus status;
MObject meshObj;
status = selectionList.getDependNode( 0, meshObj);
if(!status){MGlobal::displayError("tm_polyExtract::extractFaces_Func: Can't find object !");return false;}
MFnMesh meshFn( meshObj, &status);
if(!status){MGlobal::displayError("tm_polyExtract::extractFaces_Func: Non mesh object founded !");return false;}
MDagPath meshDagPath_first, meshDagPath;
selectionList.getDagPath( 0, meshDagPath_first);
MObject multiFaceComponent;
MIntArray inputFacesArray;
inputFacesArray.clear();
inputFacesArray.setSizeIncrement( 4096);
MFnComponentListData compListFn;
compListFn.create();
for (MItSelectionList faceComponentIter(selectionList, MFn::kMeshPolygonComponent); !faceComponentIter.isDone(); faceComponentIter.next())
{
faceComponentIter.getDagPath(meshDagPath, multiFaceComponent);
if(!(meshDagPath_first == meshDagPath))
{
MGlobal::displayError("tm_polyExtract::extractFaces_Func: Different meshes faces founded !");
return false;
}
if (!multiFaceComponent.isNull())
{
for (MItMeshPolygon faceIter(meshDagPath, multiFaceComponent); !faceIter.isDone(); faceIter.next())
{
int faceIndex = faceIter.index();
#ifdef _DEBUG
infoMStr += faceIndex;
infoMStr += " ";
#endif
inputFacesArray.append( faceIndex);
compListFn.add( multiFaceComponent );
}
}
}
if( inputFacesArray.length() == 0)
{
MGlobal::displayError("tm_polyExtract::extractFaces_Func: No faces founded !");
return false;
}
#ifdef _DEBUG
MGlobal::displayInfo( infoMStr);
#endif
meshFn.setObject( meshDagPath_first);
meshObj = meshFn.object();
// MDagModifier dagModifier;
MFnDagNode meshDagNodeFn;
MFnDependencyNode depNodeFn;
meshDagNodeFn.setObject( meshDagPath_first);
MString meshName = meshDagNodeFn.name();
MObject outMesh_attrObject = meshDagNodeFn.attribute( "outMesh");
// ----------------------------------- duplicate shape
MObject duplicated_meshObjectA;
MObject duplicated_meshObjectB;
MObject inMesh_attrObjectA;
MObject inMesh_attrObjectB;
/*
MStringArray commandResult;
MSelectionList selList;
MGlobal::executeCommand( "duplicate " + meshDagNodeFn.name(), commandResult, 1, 1);
selList.add( commandResult[0]);
selList.getDependNode( 0, duplicated_meshObjectA);
meshDagNodeFn.setObject( duplicated_meshObjectA);
meshDagNodeFn.setName( meshName + "_tA");
duplicated_meshObjectA = meshDagNodeFn.child(0);
meshDagNodeFn.setObject( duplicated_meshObjectA);
meshDagNodeFn.setName( meshName + "_sA");
inMesh_attrObjectA = meshDagNodeFn.attribute( "inMesh");
meshDagNodeFn.setObject( meshDagPath_first);
selList.clear();
MGlobal::executeCommand( "duplicate " + meshDagNodeFn.name(), commandResult, 1, 1);
selList.add( commandResult[0]);
selList.getDependNode( 0, duplicated_meshObjectB);
meshDagNodeFn.setObject( duplicated_meshObjectB);
meshDagNodeFn.setName( meshName + "_tB");
duplicated_meshObjectB = meshDagNodeFn.child(0);
meshDagNodeFn.setObject( duplicated_meshObjectB);
meshDagNodeFn.setName( meshName + "_sB");
inMesh_attrObjectB = meshDagNodeFn.attribute( "inMesh");
*/
duplicated_meshObjectA = meshDagNodeFn.duplicate();
meshDagNodeFn.setObject( duplicated_meshObjectA);
meshDagNodeFn.setName( meshName + "_tA");
duplicated_meshObjectA = meshDagNodeFn.child(0);
meshDagNodeFn.setObject( duplicated_meshObjectA);
meshDagNodeFn.setName( meshName + "_sA");
inMesh_attrObjectA = meshDagNodeFn.attribute( "inMesh");
meshDagNodeFn.setObject( meshDagPath_first);
duplicated_meshObjectB = meshDagNodeFn.duplicate();
meshDagNodeFn.setObject( duplicated_meshObjectB);
meshDagNodeFn.setName( meshName + "_tB");
duplicated_meshObjectB = meshDagNodeFn.child(0);
meshDagNodeFn.setObject( duplicated_meshObjectB);
meshDagNodeFn.setName( meshName + "_sB");
inMesh_attrObjectB = meshDagNodeFn.attribute( "inMesh");
// ----------------------------------- create node deleteComponent
MDGModifier dgModifier;
MObject deleteComponent_nodeObjectA = dgModifier.createNode( MString("deleteComponent"));
depNodeFn.setObject( deleteComponent_nodeObjectA );
MObject deleteComponent_attrObjectA( depNodeFn.attribute( "deleteComponents" ));
MObject inputGeometry_attrObjectA( depNodeFn.attribute( "inputGeometry" ));
MObject outputGeometry_attrObjectA( depNodeFn.attribute( "outputGeometry" ));
dgModifier.doIt();
depNodeFn.setName( "dfA_" + meshName);
node_names.append( depNodeFn.name());
MObject deleteComponent_nodeObjectB = dgModifier.createNode( MString("deleteComponent"));
depNodeFn.setObject( deleteComponent_nodeObjectB );
MObject deleteComponent_attrObjectB( depNodeFn.attribute( "deleteComponents" ));
MObject inputGeometry_attrObjectB( depNodeFn.attribute( "inputGeometry" ));
MObject outputGeometry_attrObjectB( depNodeFn.attribute( "outputGeometry" ));
dgModifier.doIt();
depNodeFn.setName( "dfB_" + meshName);
node_names.append( depNodeFn.name());
// ----------------------------------- set attribute deleteComponent.deleteComponents
MObject componentList_object = compListFn.object();
MPlug deleteComponents_plugA( deleteComponent_nodeObjectA, deleteComponent_attrObjectA );
status = deleteComponents_plugA.setValue( componentList_object );
MIntArray invertedFaces;
int numPolygons = meshFn.numPolygons();
invertedFaces.setLength( numPolygons - inputFacesArray.length());
int selFace = 0;
int invFace = 0;
for( int f = 0; f < numPolygons; f++)
{
if( f == inputFacesArray[selFace])
selFace++;
else
invertedFaces[invFace++] = f;
}
MFnSingleIndexedComponent singleIndexedComponentFn( meshObj);
singleIndexedComponentFn.create( MFn::kMeshPolygonComponent);
singleIndexedComponentFn.addElements( invertedFaces);
compListFn.clear();
compListFn.create();
componentList_object = singleIndexedComponentFn.object();
compListFn.add( componentList_object);
componentList_object = compListFn.object();
MPlug deleteComponents_plugB( deleteComponent_nodeObjectB, deleteComponent_attrObjectB );
status = deleteComponents_plugB.setValue( componentList_object );
// ------------------------------------- connecting plugs
/**/
dgModifier.connect(
meshObj, outMesh_attrObject,
deleteComponent_nodeObjectA, inputGeometry_attrObjectA
);
dgModifier.connect(
deleteComponent_nodeObjectA, outputGeometry_attrObjectA,
duplicated_meshObjectA, inMesh_attrObjectA
);
dgModifier.connect(
meshObj, outMesh_attrObject,
deleteComponent_nodeObjectB, inputGeometry_attrObjectB
);
dgModifier.connect(
deleteComponent_nodeObjectB, outputGeometry_attrObjectB,
duplicated_meshObjectB, inMesh_attrObjectB
);
dgModifier.doIt();
// ---------------------------------- assigning shading group
/**/
meshDagNodeFn.setObject( meshDagPath_first);
MObject instObjGroups_attrObject = meshDagNodeFn.attribute( "instObjGroups");
MPlug instObjGroups_plug( meshObj, instObjGroups_attrObject);
instObjGroups_plug = instObjGroups_plug.elementByPhysicalIndex(0);
MPlugArray instObjGroups_plug_connectionsArray;
instObjGroups_plug.connectedTo( instObjGroups_plug_connectionsArray, false, true);
if( instObjGroups_plug_connectionsArray.length() > 0)
{
MPlug dagSetMembers_plug = instObjGroups_plug_connectionsArray[0];
MObject shadingSetNode_object = dagSetMembers_plug.node();
MFnSet setFn( shadingSetNode_object);
setFn.addMember( duplicated_meshObjectA);
setFn.addMember( duplicated_meshObjectB);
//depNodeFn.setObject(shadingSetNode_object);
//MGlobal::displayInfo( depNodeFn.name());
}
// ------------------------------------------------------------
return true;
}
MStatus meshInfo5::doIt( const MArgList& args )
{
MStatus stat = MS::kSuccess;
MSelectionList selection;
MGlobal::getActiveSelectionList( selection );
MDagPath dagPath;
MObject component;
unsigned int i, nVerts;
int fIndex, vIndex, fvIndex;
MVector fNormal, vNormal, fvNormal;
MString txt;
MItSelectionList iter( selection );
for ( ; !iter.isDone(); iter.next() )
{
iter.getDagPath( dagPath, component );
MFnMesh meshFn( dagPath );
// This handles whole mesh selections and mesh-face component selections
MItMeshPolygon faceIter( dagPath, component, &stat );
if( stat == MS::kSuccess )
{
txt += MString( "Object: " ) + dagPath.fullPathName() + "\n";
for( ; !faceIter.isDone(); faceIter.next() )
{
nVerts = faceIter.polygonVertexCount();
for( i=0; i < nVerts; i++ )
{
fvIndex = i;
fIndex = faceIter.index();
vIndex = faceIter.vertexIndex( i );
faceIter.getNormal( fNormal );
meshFn.getVertexNormal( vIndex, vNormal );
faceIter.getNormal( fvIndex, fvNormal );
addData( txt, fIndex, vIndex, fvIndex, fNormal, vNormal, fvNormal );
}
}
}
else
{
// This handles mesh-vertex component selections
MItMeshVertex vertIter( dagPath, component, &stat );
if( stat == MS::kSuccess )
{
txt += MString( "Object: " ) + dagPath.fullPathName() + "\n";
MIntArray faceIds;
MIntArray vertIds;
for( ; !vertIter.isDone(); vertIter.next() )
{
vIndex = vertIter.index();
vertIter.getNormal( vNormal );
vertIter.getConnectedFaces( faceIds );
for( i=0; i < faceIds.length(); i++ )
{
fIndex = faceIds[i];
meshFn.getPolygonNormal( fIndex, fNormal );
meshFn.getFaceVertexNormal( fIndex, vIndex, fvNormal );
meshFn.getPolygonVertices( fIndex, vertIds );
for( fvIndex=0; fvIndex < int(vertIds.length()); fvIndex++ )
{
if( vertIds[fvIndex] == vIndex )
break;
}
addData( txt, fIndex, vIndex, fvIndex, fNormal, vNormal, fvNormal );
}
}
}
}
}
MGlobal::displayInfo( txt );
return MS::kSuccess;
}
