static
bool
_GetLightingParam(
const MIntArray& intValues,
const MFloatArray& floatValues,
GfVec4f& paramValue)
{
bool gotParamValue = false;
if (intValues.length() >= 3) {
paramValue[0] = intValues[0];
paramValue[1] = intValues[1];
paramValue[2] = intValues[2];
if (intValues.length() > 3) {
paramValue[3] = intValues[3];
}
gotParamValue = true;
} else if (floatValues.length() >= 3) {
paramValue[0] = floatValues[0];
paramValue[1] = floatValues[1];
paramValue[2] = floatValues[2];
if (floatValues.length() > 3) {
paramValue[3] = floatValues[3];
}
gotParamValue = true;
}
return gotParamValue;
}
// #### buildUVList
//
// Face-varying data expects a list of per-face per-vertex
// floats. This method reads the UVs from the mesh and
// concatenates them into such a list.
//
MStatus
OsdMeshData::buildUVList( MFnMesh& meshFn, std::vector<float>& uvList )
{
MStatus status = MS::kSuccess;
MItMeshPolygon polyIt( _meshDagPath );
MFloatArray uArray;
MFloatArray vArray;
// If user hasn't given us a UV set, use the current one
MString *uvSetPtr=NULL;
if ( _uvSet.numChars() > 0 ) {
if (uvSetNameIsValid(meshFn, _uvSet)) {
uvSetPtr = &_uvSet;
}
else {
MGlobal::displayWarning(MString("OpenSubdivShader: uvSet \""+_uvSet+"\" does not exist."));
}
} else {
uvSetPtr = NULL;
}
// pull UVs from Maya mesh
status = meshFn.getUVs( uArray, vArray, uvSetPtr );
MCHECK_RETURN(status, "OpenSubdivShader: Error reading UVs");
if ( uArray.length() == 0 || vArray.length() == 0 )
{
MGlobal::displayWarning("OpenSubdivShader: Mesh has no UVs");
return MS::kFailure;
}
// list of UV values
uvList.clear();
uvList.resize( meshFn.numFaceVertices()*2 );
int uvListIdx = 0;
// for each face-vertex copy UVs into list, adjusting for renderman orientation
for ( polyIt.reset(); !polyIt.isDone(); polyIt.next() )
{
int faceIdx = polyIt.index();
unsigned int numPolyVerts = polyIt.polygonVertexCount();
for ( unsigned int faceVertIdx = 0;
faceVertIdx < numPolyVerts;
faceVertIdx++ )
{
int uvIdx;
polyIt.getUVIndex( faceVertIdx, uvIdx, uvSetPtr );
// convert maya UV orientation to renderman orientation
uvList[ uvListIdx++ ] = uArray[ uvIdx ];
uvList[ uvListIdx++ ] = 1.0f - vArray[ uvIdx ];
}
}
return status;
}
unsigned int peltOverlap::checkCrossingEdges(
MFloatArray &face1Orig,
MFloatArray &face1Vec,
MFloatArray &face2Orig,
MFloatArray &face2Vec
)
// Check if there are crossing edges between two faces. Return true
// if there are crossing edges and false otherwise. A face is represented
// by a series of edges(rays), i.e.
// faceOrig[] = {orig1u, orig1v, orig2u, orig2v, ... }
// faceVec[] = {vec1u, vec1v, vec2u, vec2v, ... }
{
unsigned int face1Size = face1Orig.length();
unsigned int face2Size = face2Orig.length();
for (unsigned int i = 0; i < face1Size; i += 2) {
float o1x = face1Orig[i];
float o1y = face1Orig[i+1];
float v1x = face1Vec[i];
float v1y = face1Vec[i+1];
float n1x = v1y;
float n1y = -v1x;
for (unsigned int j = 0; j < face2Size; j += 2) {
// Given ray1(O1, V1) and ray2(O2, V2)
// Normal of ray1 is (V1.y, V1.x)
float o2x = face2Orig[j];
float o2y = face2Orig[j+1];
float v2x = face2Vec[j];
float v2y = face2Vec[j+1];
float n2x = v2y;
float n2y = -v2x;
// Find t for ray2
// t = [(o1x-o2x)n1x + (o1y-o2y)n1y] / (v2x * n1x + v2y * n1y)
float denum = v2x * n1x + v2y * n1y;
// Edges are parallel if denum is close to 0.
if (fabs(denum) < 0.000001f) continue;
float t2 = ((o1x-o2x)* n1x + (o1y-o2y) * n1y) / denum;
if (t2 < 0.00001f || t2 > 0.99999f) continue;
// Find t for ray1
// t = [(o2x-o1x)n2x + (o2y-o1y)n2y] / (v1x * n2x + v1y * n2y)
denum = v1x * n2x + v1y * n2y;
// Edges are parallel if denum is close to 0.
if (fabs(denum) < 0.000001f) continue;
float t1 = ((o2x-o1x)* n2x + (o2y-o1y) * n2y) / denum;
// Edges intersect
if (t1 > 0.00001f && t1 < 0.99999f) return 1;
}
}
return 0;
}
// uScale and vScale switched because first edge pointing in v direction
void copy_patch_uvs(int &kV, int &kHE, MFloatArray &u_src, MFloatArray &v_src, MIntArray &uvIdx_src, MFloatArray &u_dst, MFloatArray &v_dst, float vScale, float uScale, MFloatArray &sc_u_dst, MFloatArray &sc_v_dst, MIntArray &uvIdx_dst, float lineThickness)
{
int nHE = uvIdx_src.length();
for (int k=0; k<nHE; k++)
{
uvIdx_dst[kHE] = kV + uvIdx_src[k]; // offset by beginning of this block of UVs
kHE++;
}
// float offset_u = (uScale - 1) * 0.5*lineThickness;
// float offset_v = (vScale - 1) * 0.5*lineThickness;
lineThickness = 0.5 * lineThickness;
float offset_u = lineThickness * (uScale - 1.0)/(uScale - 2*lineThickness);
float offset_v = lineThickness * (vScale - 1.0)/(vScale - 2*lineThickness);
int nV = u_src.length();
for (int k=0; k<nV; k++)
{
u_dst[kV] = u_src[k] * (1.0 - 2.0*offset_u) + offset_u;
v_dst[kV] = v_src[k] * (1.0 - 2.0*offset_v) + offset_v;
sc_u_dst[kV] = uScale * u_src[k];
sc_v_dst[kV] = vScale * v_src[k];
kV++;
}
}
float peltOverlap::area(const MFloatArray &orig)
{
float sum = 0.f;
unsigned int num = orig.length() / 2;
for (unsigned int i = 0; i < num; i++) {
unsigned int idx = 2 * i;
unsigned int idy = (i + 1 ) % num;
idy = 2 * idy + 1;
unsigned int idy2 = (i + num - 1) % num;
idy2 = 2 * idy2 + 1;
sum += orig[idx] * (orig[idy] - orig[idy2]);
}
return fabs(sum) * 0.5f;
}
MStatus
XmlCacheFormat::writeFloatArray( const MFloatArray& array )
{
int size = array.length();
assert(size != 0);
writeXmlTagValue(sizeTag,size);
startXmlBlock( floatArrayTag );
for(int i = 0; i < size; i++)
{
writeXmlValue(array[i]);
}
endXmlBlock();
return MS::kSuccess;
}
static
bool
_GetLightingParam(
const MIntArray& intValues,
const MFloatArray& floatValues,
float& paramValue)
{
bool gotParamValue = false;
if (floatValues.length() > 0) {
paramValue = floatValues[0];
gotParamValue = true;
}
return gotParamValue;
}
static
bool
_GetLightingParam(
const MIntArray& intValues,
const MFloatArray& floatValues,
bool& paramValue)
{
bool gotParamValue = false;
if (intValues.length() > 0) {
paramValue = (intValues[0] == 1);
gotParamValue = true;
} else if (floatValues.length() > 0) {
paramValue = GfIsClose(floatValues[0], 1.0f, 1e-5);
gotParamValue = true;
}
return gotParamValue;
}
MStatus ColorSplineParameterHandler<S>::doSetValue( IECore::ConstParameterPtr parameter, MPlug &plug ) const
{
assert( parameter );
typename IECore::TypedParameter< S >::ConstPtr p = IECore::runTimeCast<const IECore::TypedParameter< S > >( parameter );
if( !p )
{
return MS::kFailure;
}
MRampAttribute fnRAttr( plug );
if ( !fnRAttr.isColorRamp() )
{
return MS::kFailure;
}
const S &spline = p->getTypedValue();
MStatus s;
MIntArray indicesToReuse;
plug.getExistingArrayAttributeIndices( indicesToReuse, &s );
assert( s );
int nextNewLogicalIndex = 0;
if( indicesToReuse.length() )
{
nextNewLogicalIndex = 1 + *std::max_element( MArrayIter<MIntArray>::begin( indicesToReuse ), MArrayIter<MIntArray>::end( indicesToReuse ) );
}
assert( indicesToReuse.length() == fnRAttr.getNumEntries() );
size_t pointsSizeMinus2 = spline.points.size() - 2;
unsigned pointIndex = 0;
unsigned numExpectedPoints = 0;
for ( typename S::PointContainer::const_iterator it = spline.points.begin(); it != spline.points.end(); ++it, ++pointIndex )
{
// we commonly double up the endpoints on cortex splines to force interpolation to the end.
// maya does this implicitly, so we skip duplicated endpoints when passing the splines into maya.
// this avoids users having to be responsible for managing the duplicates, and gives them some consistency
// with the splines they edit elsewhere in maya.
if( ( pointIndex==1 && *it == *spline.points.begin() ) || ( pointIndex==pointsSizeMinus2 && *it == *spline.points.rbegin() ) )
{
continue;
}
MPlug pointPlug;
if( indicesToReuse.length() )
{
pointPlug = plug.elementByLogicalIndex( indicesToReuse[0] );
indicesToReuse.remove( 0 );
}
else
{
pointPlug = plug.elementByLogicalIndex( nextNewLogicalIndex++ );
}
s = pointPlug.child( 0 ).setValue( it->first ); assert( s );
MPlug colorPlug = pointPlug.child( 1 );
colorPlug.child( 0 ).setValue( it->second[0] );
colorPlug.child( 1 ).setValue( it->second[1] );
colorPlug.child( 2 ).setValue( it->second[2] );
// hardcoding interpolation of 3 (spline) because the MRampAttribute::MInterpolation enum values don't actually
// correspond to the necessary plug values at all.
s = pointPlug.child( 2 ).setValue( 3 ); assert( s );
numExpectedPoints++;
}
// delete any of the original indices which we didn't reuse. we can't use MRampAttribute::deleteEntries
// here as it's utterly unreliable.
if( indicesToReuse.length() )
{
MString plugName = plug.name();
MObject node = plug.node();
MFnDagNode fnDAGN( node );
if( fnDAGN.hasObj( node ) )
{
plugName = fnDAGN.fullPathName() + "." + plug.partialName();
}
for( unsigned i=0; i<indicesToReuse.length(); i++ )
{
// using mel because there's no equivalant api method as far as i know.
MString command = "removeMultiInstance -b true \"" + plugName + "[" + indicesToReuse[i] + "]\"";
s = MGlobal::executeCommand( command );
assert( s );
if( !s )
{
return s;
}
}
}
#ifndef NDEBUG
{
assert( fnRAttr.getNumEntries() == numExpectedPoints );
MIntArray indices;
MFloatArray positions;
MColorArray colors;
MIntArray interps;
fnRAttr.getEntries( indices, positions, colors, interps, &s );
assert( s );
assert( numExpectedPoints == positions.length() );
assert( numExpectedPoints == colors.length() );
assert( numExpectedPoints == interps.length() );
assert( numExpectedPoints == indices.length() );
for ( unsigned i = 0; i < positions.length(); i++ )
{
float position = positions[ i ];
const MVector color( colors[ i ][ 0 ], colors[ i ][ 1 ], colors[ i ][ 2 ] );
bool found = false;
for ( typename S::PointContainer::const_iterator it = spline.points.begin(); it != spline.points.end() && !found; ++it )
{
MVector color2( it->second[0], it->second[1], it->second[2] );
if ( fabs( it->first - position ) < 1.e-3f && ( color2 - color ).length() < 1.e-3f )
{
found = true;
}
}
assert( found );
}
}
#endif
return MS::kSuccess;
}
PXR_NAMESPACE_OPEN_SCOPE
bool
MayaMeshWriter::_GetMeshUVSetData(
const MFnMesh& mesh,
const MString& uvSetName,
VtArray<GfVec2f>* uvArray,
TfToken* interpolation,
VtArray<int>* assignmentIndices)
{
MStatus status;
// Sanity check first to make sure this UV set even has assigned values
// before we attempt to do anything with the data.
MIntArray uvCounts, uvIds;
status = mesh.getAssignedUVs(uvCounts, uvIds, &uvSetName);
if (status != MS::kSuccess) {
return false;
}
if (uvCounts.length() == 0 || uvIds.length() == 0) {
return false;
}
// using itFV.getUV() does not always give us the right answer, so
// instead, we have to use itFV.getUVIndex() and use that to index into the
// UV set.
MFloatArray uArray;
MFloatArray vArray;
mesh.getUVs(uArray, vArray, &uvSetName);
if (uArray.length() != vArray.length()) {
return false;
}
// We'll populate the assignment indices for every face vertex, but we'll
// only push values into the data if the face vertex has a value. All face
// vertices are initially unassigned/unauthored.
const unsigned int numFaceVertices = mesh.numFaceVertices(&status);
uvArray->clear();
assignmentIndices->assign((size_t)numFaceVertices, -1);
*interpolation = UsdGeomTokens->faceVarying;
MItMeshFaceVertex itFV(mesh.object());
unsigned int fvi = 0;
for (itFV.reset(); !itFV.isDone(); itFV.next(), ++fvi) {
if (!itFV.hasUVs(uvSetName)) {
// No UVs for this faceVertex, so leave it unassigned.
continue;
}
int uvIndex;
itFV.getUVIndex(uvIndex, &uvSetName);
if (uvIndex < 0 || static_cast<size_t>(uvIndex) >= uArray.length()) {
return false;
}
GfVec2f value(uArray[uvIndex], vArray[uvIndex]);
uvArray->push_back(value);
(*assignmentIndices)[fvi] = uvArray->size() - 1;
}
PxrUsdMayaUtil::MergeEquivalentIndexedValues(uvArray,
assignmentIndices);
PxrUsdMayaUtil::CompressFaceVaryingPrimvarIndices(mesh,
interpolation,
assignmentIndices);
return true;
}
MStatus exportJointClusterData::doIt( const MArgList& args )
//
// Process the command
// 1. parse the args
// 2. find the jointClusters in the scene
// 3. iterate over their members, writing their weight data out to file
//
{
// parse args to get the file name from the command-line
//
MStatus stat = parseArgs(args);
if (stat != MS::kSuccess) {
return stat;
}
// count the processed jointClusters
//
unsigned int jcCount = 0;
// Iterate through graph and search for jointCluster nodes
//
MItDependencyNodes iter( MFn::kJointCluster);
for ( ; !iter.isDone(); iter.next() ) {
MObject object = iter.item();
MFnWeightGeometryFilter jointCluster(object);
// get the joint driving this cluster
//
MObject joint = jointForCluster(object);
if (joint.isNull()) {
displayError("Joint is not attached to cluster.");
continue;
}
MObject deformSet = jointCluster.deformerSet(&stat);
CheckError(stat,"Error getting deformer set.");
MFnSet setFn(deformSet, &stat); //need the fn to get the members
CheckError(stat,"Error getting deformer set fn.");
MSelectionList clusterSetList;
//get all the members
//
stat = setFn.getMembers(clusterSetList, true);
CheckError(stat,"Could not make member list with getMembers.");
// print out the name of joint and the number of associated skins
//
MFnDependencyNode fnJoint(joint);
fprintf(file,"%s %u\n",fnJoint.name().asChar(),
clusterSetList.length());
for (unsigned int kk = 0; kk < clusterSetList.length(); ++kk) {
MDagPath skinpath;
MObject components;
MFloatArray weights;
clusterSetList.getDagPath(kk,skinpath,components);
jointCluster.getWeights(skinpath,components,weights);
// print out the path name of the skin & the weight count
//
fprintf(file,
"%s %u\n",skinpath.partialPathName().asChar(),
weights.length());
// loop through the components and print their index and weight
//
unsigned counter =0;
MItGeometry gIter(skinpath,components);
for (/* nothing */ ; !gIter.isDone() &&
counter < weights.length(); gIter.next()) {
fprintf(file,"%d %f\n",gIter.index(),weights[counter]);
counter++;
}
}
jcCount++;
}
fclose(file);
if (0 == jcCount) {
displayError("No jointClusters found in this scene.");
return MS::kFailure;
}
return MS::kSuccess;
}
void MayaObject::getMeshData(MPointArray& points, MFloatVectorArray& normals, MFloatArray& uArray, MFloatArray& vArray, MIntArray& triPointIndices, MIntArray& triNormalIndices, MIntArray& triUvIndices, MIntArray& triMatIndices)
{
MStatus stat;
MObject meshObject = this->mobject;
MMeshSmoothOptions options;
MFnMesh tmpMesh(this->mobject, &stat);
MFnMeshData meshData;
MObject dataObject;
MObject smoothedObj;
// create smooth mesh if needed
if (tmpMesh.findPlug("displaySmoothMesh").asBool())
{
stat = tmpMesh.getSmoothMeshDisplayOptions(options);
if (stat)
{
if (!tmpMesh.findPlug("useSmoothPreviewForRender", false, &stat).asBool())
{
//Logging::debug(MString("useSmoothPreviewForRender turned off"));
int smoothLevel = tmpMesh.findPlug("renderSmoothLevel", false, &stat).asInt();
options.setDivisions(smoothLevel);
}
if (options.divisions() > 0)
{
dataObject = meshData.create();
smoothedObj = tmpMesh.generateSmoothMesh(dataObject, &options, &stat);
if (stat)
{
meshObject = smoothedObj;
}
}
}
}
MFnMesh meshFn(meshObject, &stat);
CHECK_MSTATUS(stat);
MItMeshPolygon faceIt(meshObject, &stat);
CHECK_MSTATUS(stat);
meshFn.getPoints(points);
meshFn.getNormals(normals, MSpace::kObject);
meshFn.getUVs(uArray, vArray);
uint numVertices = points.length();
uint numNormals = normals.length();
uint numUvs = uArray.length();
//Logging::debug(MString("numVertices ") + numVertices);
//Logging::debug(MString("numNormals ") + numNormals);
//Logging::debug(MString("numUvs ") + numUvs);
// some meshes may have no uv's
// to avoid problems I add a default uv coordinate
if (numUvs == 0)
{
Logging::warning(MString("Object has no uv's: ") + this->shortName);
uArray.append(0.0);
vArray.append(0.0);
}
for (uint nid = 0; nid < numNormals; nid++)
{
if (normals[nid].length() < 0.1f)
Logging::warning(MString("Malformed normal in ") + this->shortName);
}
MPointArray triPoints;
MIntArray triVtxIds;
MIntArray faceVtxIds;
MIntArray faceNormalIds;
for (faceIt.reset(); !faceIt.isDone(); faceIt.next())
{
int faceId = faceIt.index();
int numTris;
faceIt.numTriangles(numTris);
faceIt.getVertices(faceVtxIds);
int perFaceShadingGroup = 0;
if (this->perFaceAssignments.length() > 0)
perFaceShadingGroup = this->perFaceAssignments[faceId];
MIntArray faceUVIndices;
faceNormalIds.clear();
for (uint vtxId = 0; vtxId < faceVtxIds.length(); vtxId++)
{
faceNormalIds.append(faceIt.normalIndex(vtxId));
int uvIndex;
if (numUvs == 0)
{
faceUVIndices.append(0);
}
else{
faceIt.getUVIndex(vtxId, uvIndex);
//if (uvIndex > uArray.length())
// Logging::info(MString("-----------------> UV Problem!!! uvIndex ") + uvIndex + " > uvArray in object " + this->shortName);
faceUVIndices.append(uvIndex);
}
}
for (int triId = 0; triId < numTris; triId++)
{
int faceRelIds[3];
faceIt.getTriangle(triId, triPoints, triVtxIds);
for (uint triVtxId = 0; triVtxId < 3; triVtxId++)
{
for (uint faceVtxId = 0; faceVtxId < faceVtxIds.length(); faceVtxId++)
{
if (faceVtxIds[faceVtxId] == triVtxIds[triVtxId])
{
faceRelIds[triVtxId] = faceVtxId;
}
}
}
uint vtxId0 = faceVtxIds[faceRelIds[0]];
uint vtxId1 = faceVtxIds[faceRelIds[1]];
uint vtxId2 = faceVtxIds[faceRelIds[2]];
uint normalId0 = faceNormalIds[faceRelIds[0]];
uint normalId1 = faceNormalIds[faceRelIds[1]];
uint normalId2 = faceNormalIds[faceRelIds[2]];
uint uvId0 = faceUVIndices[faceRelIds[0]];
uint uvId1 = faceUVIndices[faceRelIds[1]];
uint uvId2 = faceUVIndices[faceRelIds[2]];
triPointIndices.append(vtxId0);
triPointIndices.append(vtxId1);
triPointIndices.append(vtxId2);
triNormalIndices.append(normalId0);
triNormalIndices.append(normalId1);
triNormalIndices.append(normalId2);
triUvIndices.append(uvId0);
triUvIndices.append(uvId1);
triUvIndices.append(uvId2);
triMatIndices.append(perFaceShadingGroup);
//Logging::debug(MString("vtxIds ") + vtxId0 + " " + vtxId1 + " " + vtxId2);
//Logging::debug(MString("nIds ") + normalId0 + " " + normalId1 + " " + normalId2);
//Logging::debug(MString("uvIds ") + uvId0 + " " + uvId1 + " " + uvId2);
}
}
}
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;
}
MStatus Molecule3Cmd::redoIt()
{
MStatus stat;
MDagPath dagPath;
MFnMesh meshFn;
// Create a ball
int nBallPolys;
MPointArray ballVerts;
MIntArray ballPolyCounts;
MIntArray ballPolyConnects;
MFloatArray ballUCoords;
MFloatArray ballVCoords;
MIntArray ballFvUVIDs;
genBall( MPoint::origin, ballRodRatio * radius.value(), segs, nBallPolys,
ballVerts, ballPolyCounts, ballPolyConnects,
true, ballUCoords, ballVCoords, ballFvUVIDs );
unsigned int i, j, vertOffset;
MPointArray meshVerts;
MPoint p0, p1;
MObject objTransform;
// Setup for rods
int nRodPolys;
MPointArray rodVerts;
MIntArray rodPolyCounts;
MIntArray rodPolyConnects;
MFloatArray rodUCoords;
MFloatArray rodVCoords;
MIntArray rodFvUVIDs;
// Setup for newMesh
int nNewPolys;
MPointArray newVerts;
MIntArray newPolyCounts;
MIntArray newPolyConnects;
MFloatArray newUCoords;
MFloatArray newVCoords;
MIntArray newFvUVIDs;
int uvOffset;
MDagModifier dagMod;
MFnDagNode dagFn;
objTransforms.clear();
// Iterate over the meshes
unsigned int mi;
for( mi=0; mi < selMeshes.length(); mi++ )
{
dagPath = selMeshes[mi];
meshFn.setObject( dagPath );
uvOffset = 0;
nNewPolys = 0;
newVerts.clear();
newPolyCounts.clear();
newPolyConnects.clear();
newUCoords.clear();
newVCoords.clear();
newFvUVIDs.clear();
// Generate balls
meshFn.getPoints( meshVerts, MSpace::kWorld );
for( i=0; i < meshVerts.length(); i++ )
{
vertOffset = newVerts.length();
// Add the ball to the new mesh
nNewPolys += nBallPolys;
// Move the ball vertices to the mesh vertex. Add it to the newMesh
for( j=0; j < ballVerts.length(); j++ )
newVerts.append( meshVerts[i] + ballVerts[j] );
for( j=0; j < ballPolyCounts.length(); j++ )
newPolyCounts.append( ballPolyCounts[j] );
for( j=0; j < ballPolyConnects.length(); j++ )
newPolyConnects.append( vertOffset + ballPolyConnects[j] );
// Only add the uv coordinates once, since they are shared
// by all balls
if( i == 0 )
{
for( j=0; j < ballUCoords.length(); j++ )
{
newUCoords.append( ballUCoords[j] );
newVCoords.append( ballVCoords[j] );
}
}
for( j=0; j < ballFvUVIDs.length(); j++ )
{
newFvUVIDs.append( uvOffset + ballFvUVIDs[j] );
}
}
uvOffset = newUCoords.length();
// Generate rods
int nRods = 0;
MItMeshEdge edgeIter( dagPath );
for( ; !edgeIter.isDone(); edgeIter.next(), nRods++ )
{
p0 = edgeIter.point( 0, MSpace::kWorld );
p1 = edgeIter.point( 1, MSpace::kWorld );
// N.B. Generate the uv coordinates only once since they
// are referenced by all rods
genRod( p0, p1,
radius.value(), segs, nRodPolys,
rodVerts, rodPolyCounts, rodPolyConnects,
nRods == 0, rodUCoords, rodVCoords,
rodFvUVIDs );
vertOffset = newVerts.length();
// Add the rod to the mesh
nNewPolys += nRodPolys;
for( i=0; i < rodVerts.length(); i++ )
newVerts.append( rodVerts[i] );
for( i=0; i < rodPolyCounts.length(); i++ )
newPolyCounts.append( rodPolyCounts[i] );
for( i=0; i < rodPolyConnects.length(); i++ )
newPolyConnects.append( vertOffset + rodPolyConnects[i] );
// First rod
if( nRods == 0 )
{
// Add rod's uv coordinates to the list
for( i=0; i < rodUCoords.length(); i++ )
{
newUCoords.append( rodUCoords[i] );
newVCoords.append( rodVCoords[i] );
}
}
// Set the face-vertex-uvIDs
for( i=0; i < rodFvUVIDs.length(); i++ )
{
newFvUVIDs.append( uvOffset + rodFvUVIDs[i] );
}
}
objTransform = meshFn.create( newVerts.length(), nNewPolys, newVerts,
newPolyCounts, newPolyConnects,
newUCoords, newVCoords,
MObject::kNullObj, &stat );
if( !stat )
{
MGlobal::displayError( MString( "Unable to create mesh: " ) + stat.errorString() );
return stat;
}
objTransforms.append( objTransform );
meshFn.assignUVs( newPolyCounts, newFvUVIDs );
meshFn.updateSurface();
// Rename transform node
dagFn.setObject( objTransform );
dagFn.setName( "molecule" );
// Put mesh into the initial shading group
dagMod.commandToExecute( MString( "sets -e -fe initialShadingGroup " ) + meshFn.name() );
}
// Select all the newly created molecule meshes
MString cmd( "select -r" );
for( i=0; i < objTransforms.length(); i++ )
{
dagFn.setObject( objTransforms[i] );
cmd += " " + dagFn.name();
}
dagMod.commandToExecute( cmd );
return dagMod.doIt();
}
MStatus sgBulgeDeformer::deform(MDataBlock& dataBlock, MItGeometry& iter, const MMatrix& mtx, unsigned int index)
{
MStatus status;
float bulgeWeight = dataBlock.inputValue(aBulgeWeight).asFloat();
double bulgeRadius = dataBlock.inputValue(aBulgeRadius).asDouble();
MArrayDataHandle hArrInputs = dataBlock.inputArrayValue(aBulgeInputs);
MPointArray allPositions;
iter.allPositions(allPositions);
if (mem_resetElements)
{
unsigned int elementCount = hArrInputs.elementCount();
mem_meshInfosInner.resize(mem_maxLogicalIndex);
mem_meshInfosOuter.resize(mem_maxLogicalIndex);
for (unsigned int i = 0; i < elementCount; i++, hArrInputs.next())
{
MDataHandle hInput = hArrInputs.inputValue();
MDataHandle hMatrix = hInput.child(aMatrix);
MDataHandle hMesh = hInput.child(aMesh);
MMatrix mtxMesh = hMatrix.asMatrix();
MObject oMesh = hMesh.asMesh();
MFnMeshData meshDataInner, meshDataOuter;
MObject oMeshInner = meshDataInner.create();
MObject oMeshOuter = meshDataOuter.create();
MFnMesh fnMesh;
fnMesh.copy(oMesh, oMeshInner);
fnMesh.copy(oMesh, oMeshOuter);
sgMeshInfo* newMeshInfoInner = new sgMeshInfo(oMeshInner, hMatrix.asMatrix());
sgMeshInfo* newMeshInfoOuter = new sgMeshInfo(oMeshOuter, hMatrix.asMatrix());
mem_meshInfosInner[hArrInputs.elementIndex()] = newMeshInfoInner;
mem_meshInfosOuter[hArrInputs.elementIndex()] = newMeshInfoOuter;
}
}
for (unsigned int i = 0; i < elementCount; i++)
{
mem_meshInfosInner[i]->setBulge(bulgeWeight, MSpace::kWorld );
}
MFloatArray weightList;
weightList.setLength(allPositions.length());
for (unsigned int i = 0; i < weightList.length(); i++)
weightList[i] = 0.0f;
MMatrixArray inputMeshMatrixInverses;
inputMeshMatrixInverses.setLength(elementCount);
for (unsigned int i = 0; i < elementCount; i++)
{
inputMeshMatrixInverses[i] = mem_meshInfosInner[i]->matrix();
}
for (unsigned int i = 0; i < allPositions.length(); i++)
{
float resultWeight = 0;
for (unsigned int infoIndex = 0; infoIndex < elementCount; infoIndex++)
{
MPoint localPoint = allPositions[i] * mtx* inputMeshMatrixInverses[infoIndex];
MPoint innerPoint = mem_meshInfosInner[infoIndex]->getClosestPoint(localPoint);
MPoint outerPoint = mem_meshInfosOuter[infoIndex]->getClosestPoint(localPoint);
MVector innerVector = innerPoint - localPoint;
MVector outerVector = outerPoint - localPoint;
if (innerVector * outerVector < 0)
{
double innerLength = innerVector.length();
double outerLength = outerVector.length();
double allLength = innerLength + outerLength;
float numerator = float( innerLength * outerLength );
float denominator = float( pow(allLength / 2.0, 2) );
resultWeight = numerator / denominator;
}
}
weightList[i] = resultWeight;
}
for (unsigned int i = 0; i < allPositions.length(); i++)
{
allPositions[i] += weightList[i] * MVector(0, 1, 0);
}
iter.setAllPositions(allPositions);
return MS::kSuccess;
}
// h�mta all n�dv�ndig data och l�gger det i ett MeshData-objekt, som senare anv�nds vid exportering.
bool Exporter::ExtractMeshData(MFnMesh &mesh, UINT index)
{
MeshData mesh_data;
MFloatPointArray points;
MFloatVectorArray normals;
MSpace::Space world_space = MSpace::kTransform;
// DAG-path
mesh_data.mesh_path = mesh.dagPath();
// namn och id
mesh_data.name = mesh.name();
mesh_data.id = index;
std::string name = mesh.partialPathName().asChar();
if (!strcmp(name.substr(0, 5).c_str(), "Blend")){
return true;
}
// triangulera meshen innan man h�mtar punkterna
MString command = "polyTriangulate -ch 1 " + mesh_data.name;
if (!MGlobal::executeCommand(command))
{
return false;
}
// h�mta icke-indexerade vertexpunkter
if (!mesh.getPoints(points, world_space))
{
return false;
}
for (int i = 0; i < points.length(); i++){
point temppoints = { points[i].x, points[i].y, points[i].z };
vec3 temppurepoints = { points[i].x, points[i].y, points[i].z };
mesh_data.points.push_back(temppoints);
mesh_data.purepoints.push_back(temppurepoints);
}
// h�mta icke-indexerade normaler
if (!mesh.getNormals(normals, world_space))
{
return false;
}
for (int i = 0; i < normals.length(); i++){
vec3 tempnormals = { normals[i].x, normals[i].y, normals[i].z };
mesh_data.normals.push_back(tempnormals);
}
//variabler f�r att mellanlagra uvdata och tangenter/bitangenter
MStringArray uvSets;
mesh.getUVSetNames(uvSets);
uvSet tempUVSet;
MFloatArray Us;
MFloatArray Vs;
vec2 UVs;
// iterera �ver uvsets och ta ut koordinater, tangenter och bitangenter
for (int i = 0; i < uvSets.length(); i++)
{
MString currentSet = uvSets[i];
mesh.getUVs(Us, Vs, ¤tSet);
for (int a = 0; a < Us.length(); a++){
UVs.u = Us[a];
UVs.v = Vs[a];
//1-Vs in order to get correct UV angles
tempUVSet.UVs.push_back(UVs);
}
mesh.getTangents(tempUVSet.tangents, world_space, ¤tSet);
mesh.getBinormals(tempUVSet.binormals, world_space, ¤tSet);
mesh_data.uvSets.push_back(tempUVSet);
}
//itererar �ver trianglar och returnerar ID:n f�r associerade vertiser, normaler och uvset
MItMeshPolygon itFaces(mesh.dagPath());
while (!itFaces.isDone()) {
face tempface;
// printf("%d", itFaces.vertexIndex(0));
// printf(" %d", itFaces.vertexIndex(1));
// printf(" %d\n", itFaces.vertexIndex(2));
int vc = itFaces.polygonVertexCount();
for (int i = 0; i < vc; ++i) {
tempface.verts[i].pointID = itFaces.vertexIndex(i);
tempface.verts[i].normalID = itFaces.normalIndex(i);
for (int k = 0; k < uvSets.length(); ++k) {
int temptexCoordsID;
itFaces.getUVIndex(i, temptexCoordsID, &uvSets[k]);
tempface.verts[i].texCoordsID.push_back(temptexCoordsID);
}
}
mesh_data.faces.push_back(tempface);
itFaces.next();
}
// l�gg till mesh_data i scen-datan
scene_.meshes.push_back(mesh_data);
return true;
}
MStatus TransferUV::redoIt()
{
MStatus status;
MFnMesh sourceFnMesh(sourceDagPath);
MFnMesh targetFnMesh(targetDagPath);
// Get current UV sets and keep them to switch back to them at the last
MString currentSourceUVSet = sourceFnMesh.currentUVSetName();
MString currentTargetUVSet = targetFnMesh.currentUVSetName();
// Switch to uv sets specified in flags before starting transfer process
// This is required because MFnMesh does not work properly with
// "Non-current" UV sets
sourceFnMesh.setCurrentUVSetName(sourceUvSet);
targetFnMesh.setCurrentUVSetName(targetUvSet);
MString* sourceUvSetPtr = &sourceUvSet;
MString* targetUvSetPtr = &targetUvSet;
MFloatArray sourceUarray;
MFloatArray sourceVarray;
MIntArray sourceUvCounts;
MIntArray sourceUvIds;
// Get mesh information for each
status = sourceFnMesh.getUVs(sourceUarray, sourceVarray, sourceUvSetPtr);
if (status != MS::kSuccess) {
MGlobal::displayError("Failed to get source UVs");
CHECK_MSTATUS_AND_RETURN_IT(status);
}
status = targetFnMesh.getUVs(originalUarray, originalVarray, targetUvSetPtr);
if (status != MS::kSuccess) {
MGlobal::displayError("Failed to get original UVs");
CHECK_MSTATUS_AND_RETURN_IT(status);
}
status = sourceFnMesh.getAssignedUVs(sourceUvCounts, sourceUvIds, sourceUvSetPtr);
if (status != MS::kSuccess) {
MGlobal::displayError("Failed to get source assigned UVs");
CHECK_MSTATUS_AND_RETURN_IT(status);
}
status = targetFnMesh.getAssignedUVs(originalUvCounts, originalUvIds, targetUvSetPtr);
if (status != MS::kSuccess) {
MGlobal::displayError("Failed to get original assigned UVs");
CHECK_MSTATUS_AND_RETURN_IT(status);
}
// Resize source uv array so it becomes same size as number of targets uv
unsigned int targetNumUVs = targetFnMesh.numUVs();
if (targetNumUVs > sourceUarray.length()) {
sourceUarray.setLength(targetNumUVs);
sourceVarray.setLength(targetNumUVs);
}
status = targetFnMesh.setUVs(sourceUarray, sourceVarray, targetUvSetPtr);
if (MS::kSuccess != status) {
MGlobal::displayError("Failed to set source UVs");
return status;
}
status = targetFnMesh.assignUVs(sourceUvCounts, sourceUvIds, targetUvSetPtr);
if (MS::kSuccess != status) {
MGlobal::displayError("Failed to assign source UVs");
return status;
}
// Switch back to originals
sourceFnMesh.setCurrentUVSetName(currentSourceUVSet);
targetFnMesh.setCurrentUVSetName(currentTargetUVSet);
return MS::kSuccess;
}
void NifMeshExporterSkyrim::ExportMesh( MObject dagNode ) {
//out << "NifTranslator::ExportMesh {";
ComplexShape cs;
MStatus stat;
MObject mesh;
//Find Mesh child of given transform object
MFnDagNode nodeFn(dagNode);
cs.SetName(this->translatorUtils->MakeNifName(nodeFn.name()));
for (int i = 0; i != nodeFn.childCount(); ++i) {
// get a handle to the child
if (nodeFn.child(i).hasFn(MFn::kMesh)) {
MFnMesh tempFn(nodeFn.child(i));
//No history items
if (!tempFn.isIntermediateObject()) {
//out << "Found a mesh child." << endl;
mesh = nodeFn.child(i);
break;
}
}
}
MFnMesh visibleMeshFn(mesh, &stat);
if (stat != MS::kSuccess) {
//out << stat.errorString().asChar() << endl;
throw runtime_error("Failed to create visibleMeshFn.");
}
//out << visibleMeshFn.name().asChar() << ") {" << endl;
MFnMesh meshFn;
MObject dataObj;
MPlugArray inMeshPlugArray;
MPlug childPlug;
MPlug geomPlug;
MPlug inputPlug;
// this will hold the returned vertex positions
MPointArray vts;
//For now always use the visible mesh
meshFn.setObject(mesh);
//out << "Use the function set to get the points" << endl;
// use the function set to get the points
stat = meshFn.getPoints(vts);
if (stat != MS::kSuccess) {
//out << stat.errorString().asChar() << endl;
throw runtime_error("Failed to get points.");
}
//Maya won't store any information about objects with no vertices. Just skip it.
if (vts.length() == 0) {
MGlobal::displayWarning("An object in this scene has no vertices. Nothing will be exported.");
return;
}
vector<WeightedVertex> nif_vts(vts.length());
for (int i = 0; i != vts.length(); ++i) {
nif_vts[i].position.x = float(vts[i].x);
nif_vts[i].position.y = float(vts[i].y);
nif_vts[i].position.z = float(vts[i].z);
}
//Set vertex info later since it includes skin weights
//cs.SetVertices( nif_vts );
//out << "Use the function set to get the colors" << endl;
MColorArray myColors;
meshFn.getFaceVertexColors(myColors);
//out << "Prepare NIF color vector" << endl;
vector<Color4> niColors(myColors.length());
for (unsigned int i = 0; i < myColors.length(); ++i) {
niColors[i] = Color4(myColors[i].r, myColors[i].g, myColors[i].b, myColors[i].a);
}
cs.SetColors(niColors);
// this will hold the returned vertex positions
MFloatVectorArray nmls;
//out << "Use the function set to get the normals" << endl;
// use the function set to get the normals
stat = meshFn.getNormals(nmls, MSpace::kTransform);
if (stat != MS::kSuccess) {
//out << stat.errorString().asChar() << endl;
throw runtime_error("Failed to get normals");
}
//out << "Prepare NIF normal vector" << endl;
vector<Vector3> nif_nmls(nmls.length());
for (int i = 0; i != nmls.length(); ++i) {
nif_nmls[i].x = float(nmls[i].x);
nif_nmls[i].y = float(nmls[i].y);
nif_nmls[i].z = float(nmls[i].z);
}
cs.SetNormals(nif_nmls);
//out << "Use the function set to get the UV set names" << endl;
MStringArray uvSetNames;
MString baseUVSet;
MFloatArray myUCoords;
MFloatArray myVCoords;
bool has_uvs = false;
// get the names of the uv sets on the mesh
meshFn.getUVSetNames(uvSetNames);
vector<TexCoordSet> nif_uvs;
//Record assotiation between name and uv set index for later
map<string, int> uvSetNums;
int set_num = 0;
for (unsigned int i = 0; i < uvSetNames.length(); ++i) {
if (meshFn.numUVs(uvSetNames[i]) > 0) {
TexType tt;
string set_name = uvSetNames[i].asChar();
if (set_name == "base" || set_name == "map1") {
tt = BASE_MAP;
}
else if (set_name == "dark") {
tt = DARK_MAP;
}
else if (set_name == "detail") {
tt = DETAIL_MAP;
}
else if (set_name == "gloss") {
tt = GLOSS_MAP;
}
else if (set_name == "glow") {
tt = GLOW_MAP;
}
else if (set_name == "bump") {
tt = BUMP_MAP;
}
else if (set_name == "decal0") {
tt = DECAL_0_MAP;
}
else if (set_name == "decal1") {
tt = DECAL_1_MAP;
}
else {
tt = BASE_MAP;
}
//Record the assotiation
uvSetNums[set_name] = set_num;
//Get the UVs
meshFn.getUVs(myUCoords, myVCoords, &uvSetNames[i]);
//Make sure this set actually has some UVs in it. Maya sometimes returns empty UV sets.
if (myUCoords.length() == 0) {
continue;
}
//Store the data
TexCoordSet tcs;
tcs.texType = tt;
tcs.texCoords.resize(myUCoords.length());
for (unsigned int j = 0; j < myUCoords.length(); ++j) {
tcs.texCoords[j].u = myUCoords[j];
//Flip the V coords
tcs.texCoords[j].v = 1.0f - myVCoords[j];
}
nif_uvs.push_back(tcs);
baseUVSet = uvSetNames[i];
has_uvs = true;
set_num++;
}
}
cs.SetTexCoordSets(nif_uvs);
// this will hold references to the shaders used on the meshes
MObjectArray Shaders;
// this is used to hold indices to the materials returned in the object array
MIntArray FaceIndices;
//out << "Get the connected shaders" << endl;
// get the shaders used by the i'th mesh instance
// Assume this is not instanced for now
// TODO support instancing properly
stat = visibleMeshFn.getConnectedShaders(0, Shaders, FaceIndices);
if (stat != MS::kSuccess) {
//out << stat.errorString().asChar() << endl;
throw runtime_error("Failed to get connected shader list.");
}
vector<ComplexFace> nif_faces;
//Add shaders to propGroup array
vector< vector<NiPropertyRef> > propGroups;
for (unsigned int shader_num = 0; shader_num < Shaders.length(); ++shader_num) {
//Maya sometimes lists shaders that are not actually attached to any face. Disregard them.
bool shader_is_used = false;
for (size_t f = 0; f < FaceIndices.length(); ++f) {
if (FaceIndices[f] == shader_num) {
shader_is_used = true;
break;
}
}
if (shader_is_used == false) {
//Shader isn't actually used, so continue to the next one.
continue;
}
//out << "Found attached shader: ";
//Attach all properties previously associated with this shader to
//this NiTriShape
MFnDependencyNode fnDep(Shaders[shader_num]);
//Find the shader that this shading group connects to
MPlug p = fnDep.findPlug("surfaceShader");
MPlugArray plugs;
p.connectedTo(plugs, true, false);
for (unsigned int i = 0; i < plugs.length(); ++i) {
if (plugs[i].node().hasFn(MFn::kLambert)) {
fnDep.setObject(plugs[i].node());
break;
}
}
//out << fnDep.name().asChar() << endl;
vector<NiPropertyRef> niProps = this->translatorData->shaders[fnDep.name().asChar()];
propGroups.push_back(niProps);
}
cs.SetPropGroups(propGroups);
//out << "Export vertex and normal data" << endl;
// attach an iterator to the mesh
MItMeshPolygon itPoly(mesh, &stat);
if (stat != MS::kSuccess) {
throw runtime_error("Failed to create polygon iterator.");
}
// Create a list of faces with vertex IDs, and duplicate normals so they have the same ID
for (; !itPoly.isDone(); itPoly.next()) {
int poly_vert_count = itPoly.polygonVertexCount(&stat);
if (stat != MS::kSuccess) {
throw runtime_error("Failed to get vertex count.");
}
//Ignore polygons with less than 3 vertices
if (poly_vert_count < 3) {
continue;
}
ComplexFace cf;
//Assume all faces use material 0 for now
cf.propGroupIndex = 0;
for (int i = 0; i < poly_vert_count; ++i) {
ComplexPoint cp;
cp.vertexIndex = itPoly.vertexIndex(i);
cp.normalIndex = itPoly.normalIndex(i);
if (niColors.size() > 0) {
int color_index;
stat = meshFn.getFaceVertexColorIndex(itPoly.index(), i, color_index);
if (stat != MS::kSuccess) {
//out << stat.errorString().asChar() << endl;
throw runtime_error("Failed to get vertex color.");
}
cp.colorIndex = color_index;
}
//Get the UV set names used by this particular vertex
MStringArray vertUvSetNames;
itPoly.getUVSetNames(vertUvSetNames);
for (unsigned int j = 0; j < vertUvSetNames.length(); ++j) {
TexCoordIndex tci;
tci.texCoordSetIndex = uvSetNums[vertUvSetNames[j].asChar()];
int uv_index;
itPoly.getUVIndex(i, uv_index, &vertUvSetNames[j]);
tci.texCoordIndex = uv_index;
cp.texCoordIndices.push_back(tci);
}
cf.points.push_back(cp);
}
nif_faces.push_back(cf);
}
//Set shader/face association
if (nif_faces.size() != FaceIndices.length()) {
throw runtime_error("Num faces found do not match num faces reported.");
}
for (unsigned int face_index = 0; face_index < nif_faces.size(); ++face_index) {
nif_faces[face_index].propGroupIndex = FaceIndices[face_index];
}
cs.SetFaces(nif_faces);
//--Skin Processing--//
//Look up any skin clusters
if (this->translatorData->meshClusters.find(visibleMeshFn.fullPathName().asChar()) != this->translatorData->meshClusters.end()) {
const vector<MObject> & clusters = this->translatorData->meshClusters[visibleMeshFn.fullPathName().asChar()];
if (clusters.size() > 1) {
throw runtime_error("Objects with multiple skin clusters affecting them are not currently supported. Try deleting the history and re-binding them.");
}
vector<MObject>::const_iterator cluster = clusters.begin();
if (cluster->isNull() != true) {
MFnSkinCluster clusterFn(*cluster);
//out << "Processing skin..." << endl;
//Get path to visible mesh
MDagPath meshPath;
visibleMeshFn.getPath(meshPath);
//out << "Getting a list of all verticies in this mesh" << endl;
//Get a list of all vertices in this mesh
MFnSingleIndexedComponent compFn;
MObject vertices = compFn.create(MFn::kMeshVertComponent);
MItGeometry gIt(meshPath);
MIntArray vertex_indices(gIt.count());
for (int vert_index = 0; vert_index < gIt.count(); ++vert_index) {
vertex_indices[vert_index] = vert_index;
}
compFn.addElements(vertex_indices);
//out << "Getting Influences" << endl;
//Get influences
MDagPathArray myBones;
clusterFn.influenceObjects(myBones, &stat);
//out << "Creating a list of NiNodeRefs of influences." << endl;
//Create list of NiNodeRefs of influences
vector<NiNodeRef> niBones(myBones.length());
for (unsigned int bone_index = 0; bone_index < niBones.size(); ++bone_index) {
const char* boneName = myBones[bone_index].fullPathName().asChar();
if (this->translatorData->nodes.find(myBones[bone_index].fullPathName().asChar()) == this->translatorData->nodes.end()) {
//There is a problem; one of the joints was not exported. Abort.
throw runtime_error("One of the joints necessary to export a bound skin was not exported.");
}
niBones[bone_index] = this->translatorData->nodes[myBones[bone_index].fullPathName().asChar()];
}
//out << "Getting weights from Maya" << endl;
//Get weights from Maya
MDoubleArray myWeights;
unsigned int bone_count = myBones.length();
stat = clusterFn.getWeights(meshPath, vertices, myWeights, bone_count);
if (stat != MS::kSuccess) {
//out << stat.errorString().asChar() << endl;
throw runtime_error("Failed to get vertex weights.");
}
//out << "Setting skin influence list in ComplexShape" << endl;
//Set skin information in ComplexShape
cs.SetSkinInfluences(niBones);
//out << "Adding weights to ComplexShape vertices" << endl;
//out << "Number of weights: " << myWeights.length() << endl;
//out << "Number of bones: " << myBones.length() << endl;
//out << "Number of Maya vertices: " << gIt.count() << endl;
//out << "Number of NIF vertices: " << int(nif_vts.size()) << endl;
unsigned int weight_index = 0;
SkinInfluence sk;
for (unsigned int vert_index = 0; vert_index < nif_vts.size(); ++vert_index) {
for (unsigned int bone_index = 0; bone_index < myBones.length(); ++bone_index) {
//out << "vert_index: " << vert_index << " bone_index: " << bone_index << " weight_index: " << weight_index << endl;
// Only bother with weights that are significant
if (myWeights[weight_index] > 0.0f) {
sk.influenceIndex = bone_index;
sk.weight = float(myWeights[weight_index]);
nif_vts[vert_index].weights.push_back(sk);
}
++weight_index;
}
}
}
MPlugArray connected_dismember_plugs;
MObjectArray dismember_nodes;
meshFn.findPlug("message").connectedTo(connected_dismember_plugs, false, true);
bool has_valid_dismemember_partitions = true;
int faces_count = cs.GetFaces().size();
int current_face_index;
vector<BodyPartList> body_parts_list;
vector<uint> dismember_faces(faces_count, 0);
for (int x = 0; x < connected_dismember_plugs.length(); x++) {
MFnDependencyNode dependency_node(connected_dismember_plugs[x].node());
if (dependency_node.typeName() == "nifDismemberPartition") {
dismember_nodes.append(dependency_node.object());
}
}
if (dismember_nodes.length() == 0) {
has_valid_dismemember_partitions = false;
}
else {
int blind_data_id;
int blind_data_value;
MStatus status;
MPlug target_faces_plug;
MItMeshPolygon it_polygons(meshFn.object());
MString mel_command;
MStringArray current_body_parts_flags;
MFnDependencyNode current_dismember_node;
MFnDependencyNode current_blind_data_node;
//Naive sort here, there is no reason and is extremely undesirable and not recommended to have more
//than 10-20 dismember partitions out of many reasons, so it's okay here
//as it makes the code easier to understand
vector<int> dismember_nodes_id(dismember_nodes.length(), -1);
for (int x = 0; x < dismember_nodes.length(); x++) {
current_dismember_node.setObject(dismember_nodes[x]);
connected_dismember_plugs.clear();
current_dismember_node.findPlug("targetFaces").connectedTo(connected_dismember_plugs, true, false);
if (connected_dismember_plugs.length() == 0) {
has_valid_dismemember_partitions = false;
break;
}
current_blind_data_node.setObject(connected_dismember_plugs[0].node());
dismember_nodes_id[x] = current_blind_data_node.findPlug("typeId").asInt();
}
for (int x = 0; x < dismember_nodes.length() - 1; x++) {
for (int y = x + 1; y < dismember_nodes.length(); y++) {
if (dismember_nodes_id[x] > dismember_nodes_id[y]) {
MObject aux = dismember_nodes[x];
blind_data_id = dismember_nodes_id[x];
dismember_nodes[x] = dismember_nodes[y];
dismember_nodes_id[x] = dismember_nodes_id[y];
dismember_nodes[y] = aux;
dismember_nodes_id[y] = blind_data_id;
}
}
}
for (int x = 0; x < dismember_nodes.length(); x++) {
current_dismember_node.setObject(dismember_nodes[x]);
target_faces_plug = current_dismember_node.findPlug("targetFaces");
connected_dismember_plugs.clear();
target_faces_plug.connectedTo(connected_dismember_plugs, true, false);
if (connected_dismember_plugs.length() > 0) {
current_blind_data_node.setObject(connected_dismember_plugs[0].node());
current_face_index = 0;
blind_data_id = current_blind_data_node.findPlug("typeId").asInt();
for (it_polygons.reset(); !it_polygons.isDone(); it_polygons.next()) {
if (it_polygons.polygonVertexCount() >= 3) {
status = meshFn.getIntBlindData(it_polygons.index(), MFn::Type::kMeshPolygonComponent, blind_data_id, "dismemberValue", blind_data_value);
if (status == MStatus::kSuccess && blind_data_value == 1 &&
meshFn.hasBlindDataComponentId(it_polygons.index(), MFn::Type::kMeshPolygonComponent, blind_data_id)) {
dismember_faces[current_face_index] = x;
}
current_face_index++;
}
}
}
else {
has_valid_dismemember_partitions = false;
break;
}
mel_command = "getAttr ";
mel_command += current_dismember_node.name();
mel_command += ".bodyPartsFlags";
status = MGlobal::executeCommand(mel_command, current_body_parts_flags);
BSDismemberBodyPartType body_part_type = NifDismemberPartition::stringArrayToBodyPartType(current_body_parts_flags);
current_body_parts_flags.clear();
mel_command = "getAttr ";
mel_command += current_dismember_node.name();
mel_command += ".partsFlags";
status = MGlobal::executeCommand(mel_command, current_body_parts_flags);
BSPartFlag part_type = NifDismemberPartition::stringArrayToPart(current_body_parts_flags);
current_body_parts_flags.clear();
BodyPartList body_part;
body_part.bodyPart = body_part_type;
body_part.partFlag = part_type;
body_parts_list.push_back(body_part);
}
}
if (has_valid_dismemember_partitions == false) {
MGlobal::displayWarning("No proper dismember partitions, generating default ones for " + meshFn.name());
for (int x = 0; x < dismember_faces.size(); x++) {
dismember_faces[x] = 0;
}
BodyPartList body_part;
body_part.bodyPart = (BSDismemberBodyPartType)0;
body_part.partFlag = (BSPartFlag)(PF_EDITOR_VISIBLE | PF_START_NET_BONESET);
body_parts_list.clear();
body_parts_list.push_back(body_part);
}
cs.SetDismemberPartitionsBodyParts(body_parts_list);
cs.SetDismemberPartitionsFaces(dismember_faces);
}
//out << "Setting vertex info" << endl;
//Set vertex info now that any skins have been processed
cs.SetVertices(nif_vts);
//ComplexShape is now complete, so split it
//Get parent
NiNodeRef parNode = this->translatorUtils->GetDAGParent(dagNode);
Matrix44 transform = Matrix44::IDENTITY;
vector<NiNodeRef> influences = cs.GetSkinInfluences();
if (influences.size() > 0) {
//This is a skin, so we use the common ancestor of all influences
//as the parent
vector<NiAVObjectRef> objects;
for (size_t i = 0; i < influences.size(); ++i) {
objects.push_back(StaticCast<NiAVObject>(influences[i]));
}
//Get world transform of existing parent
Matrix44 oldParWorld = parNode->GetWorldTransform();
//Set new parent node
parNode = FindCommonAncestor(objects);
transform = oldParWorld * parNode->GetWorldTransform().Inverse();
}
//Get transform using temporary NiAVObject
NiAVObjectRef tempAV = new NiAVObject;
this->nodeExporter->ExportAV(tempAV, dagNode);
NiAVObjectRef avObj;
if (this->translatorOptions->exportTangentSpace == "falloutskyrimtangentspace") {
//out << "Split ComplexShape from " << meshFn.name().asChar() << endl;
avObj = cs.Split(parNode, tempAV->GetLocalTransform() * transform, this->translatorOptions->exportBonesPerSkinPartition,
this->translatorOptions->exportAsTriStrips, true, this->translatorOptions->exportMinimumVertexWeight, 16);
}
else {
avObj = cs.Split(parNode, tempAV->GetLocalTransform() * transform, this->translatorOptions->exportBonesPerSkinPartition,
this->translatorOptions->exportAsTriStrips, false, this->translatorOptions->exportMinimumVertexWeight);
}
//out << "Get the NiAVObject portion of the root of the split" <<endl;
//Get the NiAVObject portion of the root of the split
avObj->SetName(tempAV->GetName());
avObj->SetVisibility(tempAV->GetVisibility());
avObj->SetFlags(tempAV->GetFlags());
//If polygon mesh is hidden, hide tri_shape
MPlug vis = visibleMeshFn.findPlug(MString("visibility"));
bool visibility;
vis.getValue(visibility);
NiNodeRef splitRoot = DynamicCast<NiNode>(avObj);
if (splitRoot != NULL) {
//Root is a NiNode with NiTriBasedGeom children.
vector<NiAVObjectRef> children = splitRoot->GetChildren();
for (unsigned c = 0; c < children.size(); ++c) {
//Set the default collision propogation flag to "use triangles"
children[c]->SetFlags(2);
// Make the mesh invisible if necessary
if (visibility == false) {
children[c]->SetVisibility(false);
}
}
}
else {
//Root must be a NiTriBasedGeom. Make it invisible if necessary
if (visibility == false) {
avObj->SetVisibility(false);
}
}
}
// Maps vertex points in uv coordinates (uPoints and vPoints) onto plane and creates a new mesh
// Only works with planes with the local normal along the y-axis for now (default Maya polyplane)
MStatus SplitFromImage::addPlaneSubMesh(MObject &object, MFloatArray uPoints, MFloatArray vPoints, const MFnMesh &planeMesh) {
if(uPoints.length() != vPoints.length())
return MS::kFailure;
MPointArray planePoints;
MIntArray planeVertexCount;
MIntArray planeVertexList;
planeMesh.getPoints(planePoints);
planeMesh.getVertices(planeVertexCount, planeVertexList);
cout << "planeVertexCount: " << planeVertexCount.length() << endl;
cout << "planeVertexList: " << planeVertexList.length() << endl;
double minX, minZ, maxX, maxZ;
minX = minZ = 100000;
maxX = maxZ = -100000;
// Find min and max points of the plane
for(unsigned int i = 0; i < planePoints.length(); i++) {
double x = planePoints[i].x;
double z = planePoints[i].z;
if(planePoints[i].x < minX)
minX = x;
if(planePoints[i].x > maxX)
maxX = x;
if(planePoints[i].z < minZ)
minZ = x;
if(planePoints[i].z > maxZ)
maxZ = z;
}
// Set plane's corner pos and width and height
double planeX = minX;
double planeY = minZ;
double planeWidth = maxX - minX;
double planeHeight = maxZ - minZ;
// Prepare stuff for MFnMesh
int numVertices = uPoints.length();
int numPolygons = 1;
MPointArray pointArray;
int polygon_counts[1] = {numVertices};
MIntArray polygonCounts(polygon_counts, 1);
int *polygon_connects = new int[numVertices];
for(int i = 0; i < numVertices; i++) {
polygon_connects[i] = i;
MPoint point(planeX + planeWidth * uPoints[i], 0, planeY + planeHeight * vPoints[i]);
pointArray.append(point);
}
MIntArray polygonConnects(polygon_connects, numVertices);
delete[] polygon_connects;
// cout << "numVertices: " << numVertices << endl
// << "numPolygons: " << numPolygons << endl
// << "pointArray: " << pointArray << endl
// << "polygonCounts: " << polygonCounts << endl
// << "polygonConnects: " << polygonConnects << endl
// << "planeX: " << planeX << endl
// << "planeY: " << planeY << endl
// << "planeWidth: " << planeWidth << endl
// << "planeHeight: " << planeHeight << endl;
for (int i = 0; i < vPoints.length(); i++){
vPoints[i] = 1.0 - vPoints[i];
}
MFnMesh mesh;
object = mesh.create(numVertices, numPolygons, pointArray, polygonCounts, polygonConnects, uPoints, vPoints);
mesh.assignUVs(polygonCounts, polygonConnects);
return MS::kSuccess;
}
// -------------------------------------------
// set the sampling function from the UI/command line.
// Returns validity of the function
bool AnimationHelper::setSamplingFunction ( const MFloatArray& function )
{
std::vector<SamplingInterval> parsedFunction;
// Order and parse the given floats as a function
uint elementCount = function.length();
if ( elementCount > 1 && elementCount % 3 != 0 ) return false;
if ( elementCount == 0 )
{
generateSamplingFunction();
return true;
}
else if ( elementCount == 1 )
{
SamplingInterval interval;
interval.start = ( float ) animationStartTime().as ( MTime::kSeconds );
interval.end = ( float ) animationEndTime().as ( MTime::kSeconds );
interval.period = function[0];
parsedFunction.push_back ( interval );
}
else
{
uint intervalCount = elementCount / 3;
parsedFunction.resize ( intervalCount );
for ( uint i = 0; i < intervalCount; ++i )
{
SamplingInterval& interval = parsedFunction[i];
interval.start = function[i * 3];
interval.end = function[i * 3 + 1];
interval.period = function[i * 3 + 2];
}
}
// Check for a valid sampling function
uint parsedFunctionSize = ( uint ) parsedFunction.size();
for ( uint i = 0; i < parsedFunctionSize; ++i )
{
SamplingInterval& interval = parsedFunction[i];
if ( interval.end <= interval.start ) return false;
if ( interval.period > interval.end - interval.start ) return false;
if ( i > 0 && parsedFunction[i - 1].end > interval.start ) return false;
if ( interval.period <= 0.0f ) return false;
}
// Gather the sampling times
mSamplingTimes.clear();
float previousTime = ( float ) animationStartTime().as ( MTime::kSeconds );
float previousPeriodTakenRatio = 1.0f;
for ( std::vector<SamplingInterval>::iterator it = parsedFunction.begin(); it != parsedFunction.end(); ++it )
{
SamplingInterval& interval = ( *it );
float time = interval.start;
if ( time == previousTime )
{
// Continuity in the sampling, calculate overlap start time
time = time + ( 1.0f - previousPeriodTakenRatio ) * interval.period;
}
for ( ; time <= interval.end - interval.period + FLT_TOLERANCE; time += interval.period )
{
mSamplingTimes.push_back ( time );
}
mSamplingTimes.push_back ( time );
previousTime = interval.end;
previousPeriodTakenRatio = ( interval.end - time ) / interval.period;
}
return true;
}