std::auto_ptr< Accessor > AdskSceneMetadataCmd::getAccessorForScene( MString scenePath )
{
// This string gets populated with errors by the Metadata library when they occur
std::string errors;
std::string stdScenePath( scenePath.asChar() );
std::auto_ptr< Accessor > accessor( Accessor::accessorByExtension( stdScenePath ) );
if ( NULL == accessor.get() )
{
MStatus resStatus;
MString errorString = MStringResource::getString( rAccessorNotFoundError, resStatus );
errorString.format( errorString, scenePath );
displayError( errorString );
return std::auto_ptr< Accessor >();
}
// Optimization: only read the scene associations.
std::set< std::string > wantedAssociations;
wantedAssociations.insert( AccessorMaya::getSceneAssociationsName() );
if ( !accessor->read( stdScenePath,
NULL, // read all the structures
&wantedAssociations,
errors ) )
{
MStatus resStatus;
MString errorString = MStringResource::getString( rCannotReadFileError, resStatus );
errorString.format( errorString, scenePath, errors.c_str() );
displayError( errorString );
return std::auto_ptr< Accessor >();
}
return accessor;
}
//======================================================================
//
// Do the command in query mode. It only does one thing, print the Stream,
// Channel, Associations, and Structure formats available.
//
MStatus exportMetadataCmd::doQuery()
{
assert( fSerializer );
MStatus status = MS::kSuccess;
std::set<const adsk::Data::StreamSerializer*>::iterator sFmtIt;
for( sFmtIt = adsk::Data::StreamSerializer::allFormats().begin();
sFmtIt != adsk::Data::StreamSerializer::allFormats().end(); sFmtIt++ )
{
const adsk::Data::StreamSerializer* fmt = *sFmtIt;
MString fmtMsg( MStringResource::getString(kExportMetadataFormatType, status) );
MString fmtType( "Stream" );
MString fmtName( fmt->formatType() );
MString msg;
msg.format( fmtMsg, fmtType, fmtName );
appendToResult( msg );
}
std::set<const adsk::Data::ChannelSerializer*>::iterator cFmtIt;
for( cFmtIt = adsk::Data::ChannelSerializer::allFormats().begin();
cFmtIt != adsk::Data::ChannelSerializer::allFormats().end(); cFmtIt++ )
{
const adsk::Data::ChannelSerializer* fmt = *cFmtIt;
MString fmtMsg( MStringResource::getString(kExportMetadataFormatType, status) );
MString fmtType( "Channel" );
MString fmtName( fmt->formatType() );
MString msg;
msg.format( fmtMsg, fmtType, fmtName );
appendToResult( msg );
}
std::set<const adsk::Data::AssociationsSerializer*>::iterator aFmtIt;
for( aFmtIt = adsk::Data::AssociationsSerializer::allFormats().begin();
aFmtIt != adsk::Data::AssociationsSerializer::allFormats().end(); aFmtIt++ )
{
const adsk::Data::AssociationsSerializer* fmt = *aFmtIt;
MString fmtMsg( MStringResource::getString(kExportMetadataFormatType, status) );
MString fmtType( "Associations" );
MString fmtName( fmt->formatType() );
MString msg;
msg.format( fmtMsg, fmtType, fmtName );
appendToResult( msg );
}
std::set<const adsk::Data::StructureSerializer*>::iterator fmtIt;
for( fmtIt = adsk::Data::StructureSerializer::allFormats().begin();
fmtIt != adsk::Data::StructureSerializer::allFormats().end(); fmtIt++ )
{
const adsk::Data::StructureSerializer* fmt = *fmtIt;
MString fmtMsg( MStringResource::getString(kExportMetadataFormatType, status) );
MString fmtType( "Structure" );
MString fmtName( fmt->formatType() );
MString msg;
msg.format( fmtMsg, fmtType, fmtName );
appendToResult( msg );
}
return status;
}
//======================================================================
//
// Check the parsed arguments and do/undo/redo the command as appropriate
//
MStatus importMetadataCmd::checkArgs(MArgDatabase& argsDb)
{
MStatus status = metadataBase::checkArgs( argsDb );
if( status != MS::kSuccess ) return status;
//----------------------------------------
// -string flag
//
// If specified then the -file flag is not allowed.
//
fStringFlag.parse(argsDb, flagString);
if( fStringFlag.isSet() )
{
if( fFile )
{
MString fmt = MStringResource::getString(kFileIgnored, status);
MString msg;
msg.format( fmt, flagString );
displayWarning( msg );
}
if( !fStringFlag.isModeValid(fMode) )
{
MString fmt = MStringResource::getString(kOnlyCreateModeMsg, status);
MString msg;
msg.format( fmt, flagString );
displayError(msg);
return MS::kFailure;
}
if( ! fStringFlag.isArgValid() )
{
MString errMsg( MStringResource::getString(kInvalidString, status) );
displayError( errMsg );
return MS::kFailure;
}
fString = fStringFlag.arg();
}
else if( ! fFile )
{
MString fmt = MStringResource::getString(kFileOrStringNeeded, status);
MString msg;
msg.format( fmt, flagString );
displayError( msg );
return MS::kFailure;
}
else if( ! fFile->exists() )
{
MString fmt = MStringResource::getString(kFileNotFound, status);
MString msg;
msg.format( fmt, fFileFlag.arg().asChar() );
displayError(msg);
status = MS::kNotFound;
}
return status;
}
MString hwApiTextureTestStrings::getString(const MStringResourceId &stringId, float arg1, float arg2, float arg3, float arg4)
{
MString string;
MString arg1String; arg1String += arg1;
MString arg2String; arg2String += arg2;
MString arg3String; arg3String += arg3;
MString arg4String; arg4String += arg4;
string.format( hwApiTextureTestStrings::getString( stringId ), arg1String, arg2String, arg3String, arg4String );
return string;
}
void MVGMesh::setIsActive(const bool isActive) const
{
MStatus status;
// Check is flag exists
MFnMesh fn(_dagpath);
MPlug mvgPlug = fn.findPlug(_MVG, false, &status);
if(!status && !isActive)
return;
if(!status && isActive)
{
// Create MayaMVG attribute
MDagModifier dagModifier;
MFnNumericAttribute nAttr;
MObject mvgAttr = nAttr.create(_MVG, "mvg", MFnNumericData::kBoolean);
status = dagModifier.addAttribute(_object, mvgAttr);
CHECK(status)
dagModifier.doIt();
mvgPlug = fn.findPlug(_MVG, false, &status);
}
status = mvgPlug.setValue(isActive);
CHECK(status)
if(isActive)
{
status = MGlobal::executePythonCommand("from mayaMVG import scale");
CHECK(status)
MString cmd;
// Retrieve transform node
cmd.format("scale.getParent(\"^1s\")", _dagpath.fullPathName());
MString transform;
status = MGlobal::executePythonCommand(cmd, transform);
// Freeze transform mesh
cmd.format("makeIdentity -apply true \"^1s\"", transform);
status = MGlobal::executeCommand(cmd);
CHECK(status)
// Lock node
cmd.format("scale.lockNode(\"^1s\", True)", transform);
status = MGlobal::executePythonCommand(cmd);
CHECK(status)
}
else
{
MStatus AbcImport::doIt(const MArgList & args)
{
MStatus status;
MArgParser argData(syntax(), args, &status);
MString filename("");
MString connectRootNodes("");
MString filterString("");
MString excludeFilterString("");
MObject reparentObj = MObject::kNullObj;
bool swap = false;
bool createIfNotFound = false;
bool removeIfNoUpdate = false;
bool debugOn = false;
if (argData.isFlagSet("help"))
{
MGlobal::displayInfo(usage);
return status;
}
if (argData.isFlagSet("debug"))
debugOn = true;
if (argData.isFlagSet("reparent"))
{
MString parent("");
MDagPath reparentDagPath;
status = argData.getFlagArgument("reparent", 0, parent);
if (status == MS::kSuccess
&& getDagPathByName(parent, reparentDagPath) == MS::kSuccess)
{
reparentObj = reparentDagPath.node();
}
else
{
MString theWarning = parent;
theWarning += MString(" is not a valid DagPath");
printWarning(theWarning);
}
}
if (!argData.isFlagSet("connect") && argData.isFlagSet("mode"))
{
MString modeStr;
argData.getFlagArgument("mode", 0, modeStr);
if (modeStr == "replace")
deleteCurrentSelection();
else if (modeStr == "open")
{
MFileIO fileIo;
fileIo.newFile(true);
}
}
else if (argData.isFlagSet("connect"))
{
swap = true;
argData.getFlagArgument("connect", 0, connectRootNodes);
if (argData.isFlagSet("createIfNotFound"))
{
createIfNotFound = true;
}
if (argData.isFlagSet("removeIfNoUpdate"))
removeIfNoUpdate = true;
}
if (argData.isFlagSet("filterObjects"))
{
argData.getFlagArgument("filterObjects", 0, filterString);
}
if (argData.isFlagSet("excludeFilterObjects"))
{
argData.getFlagArgument("excludeFilterObjects", 0, excludeFilterString);
}
// if the flag isn't specified we'll only do stuff marked with the Maya
// meta data
bool recreateColorSets = false;
if (argData.isFlagSet("recreateAllColorSets"))
{
recreateColorSets = true;
}
status = argData.getCommandArgument(0, filename);
MString abcNodeName;
if (status == MS::kSuccess)
{
{
MString fileRule, expandName;
MString alembicFileRule = "alembicCache";
MString alembicFilePath = "cache/alembic";
MString queryFileRuleCmd;
queryFileRuleCmd.format("workspace -q -fre \"^1s\"",
alembicFileRule);
MString queryFolderCmd;
queryFolderCmd.format("workspace -en `workspace -q -fre \"^1s\"`",
alembicFileRule);
// query the file rule for alembic cache
MGlobal::executeCommand(queryFileRuleCmd, fileRule);
if (fileRule.length() > 0)
{
// we have alembic file rule, query the folder
MGlobal::executeCommand(queryFolderCmd, expandName);
}
// resolve the expanded file rule
if (expandName.length() == 0)
{
expandName = alembicFilePath;
}
// get the path to the alembic file rule
MFileObject directory;
directory.setRawFullName(expandName);
MString directoryName = directory.resolvedFullName();
// resolve the relative path
MFileObject absoluteFile;
absoluteFile.setRawFullName(filename);
absoluteFile.setResolveMethod(MFileObject::kInputFile);
#if MAYA_API_VERSION < 201300
if (absoluteFile.resolvedFullName() !=
absoluteFile.expandedFullName())
{
#else
if (!MFileObject::isAbsolutePath(filename)) {
#endif
// this is a relative path
MString absoluteFileName = directoryName + "/" + filename;
absoluteFile.setRawFullName(absoluteFileName);
filename = absoluteFile.resolvedFullName();
}
else
{
filename = absoluteFile.resolvedFullName();
}
}
MFileObject fileObj;
status = fileObj.setRawFullName(filename);
if (status == MS::kSuccess && fileObj.exists())
{
ArgData inputData(filename, debugOn, reparentObj,
swap, connectRootNodes, createIfNotFound, removeIfNoUpdate,
recreateColorSets, filterString, excludeFilterString);
abcNodeName = createScene(inputData);
if (inputData.mSequenceStartTime != inputData.mSequenceEndTime &&
inputData.mSequenceStartTime != -DBL_MAX &&
inputData.mSequenceEndTime != DBL_MAX)
{
if (argData.isFlagSet("fitTimeRange"))
{
MTime sec(1.0, MTime::kSeconds);
setPlayback(
inputData.mSequenceStartTime * sec.as(MTime::uiUnit()),
inputData.mSequenceEndTime * sec.as(MTime::uiUnit()) );
}
if (argData.isFlagSet("setToStartFrame"))
{
MTime sec(1.0, MTime::kSeconds);
MGlobal::viewFrame( inputData.mSequenceStartTime *
sec.as(MTime::uiUnit()) );
}
}
}
else
{
MString theError("In AbcImport::doIt(), ");
theError += filename;
theError += MString(" doesn't exist");
printError(theError);
}
}
MPxCommand::setResult(abcNodeName);
return status;
}
depthShaderOverride::depthShaderOverride(const MObject& obj)
: MPxSurfaceShadingNodeOverride(obj)
, fFragmentName("")
{
// Define fragments needed for VP2 version of shader, this could also be
// defined in a separate XML file
//
// Define the input and output parameter names to match the input and
// output attribute names so that the values are automatically populated
// on the shader.
//
// Define a separate fragment for computing the camera space position so
// that the operation can be done in the vertex shader rather than the
// pixel shader. Then connect the two fragments together in a graph.
static const MString sFragmentName("depthShaderPluginFragment");
static const char* sFragmentBody =
"<fragment uiName=\"depthShaderPluginFragment\" name=\"depthShaderPluginFragment\" type=\"plumbing\" class=\"ShadeFragment\" version=\"1.0\">"
" <description><![CDATA[Depth shader fragment]]></description>"
" <properties>"
" <float name=\"depthValue\" />"
" <float3 name=\"color\" />"
" <float3 name=\"colorFar\" />"
" <float name=\"near\" />"
" <float name=\"far\" />"
" </properties>"
" <values>"
" <float name=\"depthValue\" value=\"0.0\" />"
" <float3 name=\"color\" value=\"0.0,1.0,0.0\" />"
" <float3 name=\"colorFar\" value=\"0.0,0.0,1.0\" />"
" <float name=\"near\" value=\"0.0\" />"
" <float name=\"far\" value=\"2.0\" />"
" </values>"
" <outputs>"
" <float3 name=\"outColor\" />"
" </outputs>"
" <implementation>"
" <implementation render=\"OGSRenderer\" language=\"Cg\" lang_version=\"2.1\">"
" <function_name val=\"depthShaderPluginFragment\" />"
" <source><![CDATA["
"float3 depthShaderPluginFragment(float depthValue, float3 cNear, float3 cFar, float nearClip, float farClip) \n"
"{ \n"
" float ratio = (farClip + depthValue)/(farClip - nearClip); \n"
" return cNear*ratio + cFar*(1.0f - ratio); \n"
"} \n]]>"
" </source>"
" </implementation>"
" <implementation render=\"OGSRenderer\" language=\"HLSL\" lang_version=\"11.0\">"
" <function_name val=\"depthShaderPluginFragment\" />"
" <source><![CDATA["
"float3 depthShaderPluginFragment(float depthValue, float3 cNear, float3 cFar, float nearClip, float farClip) \n"
"{ \n"
" float ratio = (farClip + depthValue)/(farClip - nearClip); \n"
" return cNear*ratio + cFar*(1.0f - ratio); \n"
"} \n]]>"
" </source>"
" </implementation>"
" <implementation render=\"OGSRenderer\" language=\"GLSL\" lang_version=\"3.0\">"
" <function_name val=\"depthShaderPluginFragment\" />"
" <source><![CDATA["
"vec3 depthShaderPluginFragment(float depthValue, vec3 cNear, vec3 cFar, float nearClip, float farClip) \n"
"{ \n"
" float ratio = (farClip + depthValue)/(farClip - nearClip); \n"
" return cNear*ratio + cFar*(1.0f - ratio); \n"
"} \n]]>"
" </source>"
" </implementation>"
" </implementation>"
"</fragment>";
static const MString sVertexFragmentName("depthShaderPluginInterpolantFragment");
static const char* sVertexFragmentBody =
"<fragment uiName=\"depthShaderPluginInterpolantFragment\" name=\"depthShaderPluginInterpolantFragment\" type=\"interpolant\" class=\"ShadeFragment\" version=\"1.0\">"
" <description><![CDATA[Depth shader vertex fragment]]></description>"
" <properties>"
" <float3 name=\"Pm\" semantic=\"Pm\" flags=\"varyingInputParam\" />"
" <float4x4 name=\"worldViewProj\" semantic=\"worldviewprojection\" />"
" </properties>"
" <values>"
" </values>"
" <outputs>"
" <float name=\"outDepthValue\" ^1s/>"
" </outputs>"
" <implementation>"
" <implementation render=\"OGSRenderer\" language=\"Cg\" lang_version=\"2.1\">"
" <function_name val=\"depthShaderPluginInterpolantFragment\" />"
" <source><![CDATA["
"float depthShaderPluginInterpolantFragment(float depthValue) \n"
"{ \n"
" return depthValue; \n"
"} \n]]>"
" </source>"
" <vertex_source><![CDATA["
"float idepthShaderPluginInterpolantFragment(float3 Pm, float4x4 worldViewProj) \n"
"{ \n"
" float4 pCamera = mul(worldViewProj, float4(Pm, 1.0f)); \n"
" return (pCamera.z - pCamera.w*2.0f); \n"
"} \n]]>"
" </vertex_source>"
" </implementation>"
" <implementation render=\"OGSRenderer\" language=\"HLSL\" lang_version=\"11.0\">"
" <function_name val=\"depthShaderPluginInterpolantFragment\" />"
" <source><![CDATA["
"float depthShaderPluginInterpolantFragment(float depthValue) \n"
"{ \n"
" return depthValue; \n"
"} \n]]>"
" </source>"
" <vertex_source><![CDATA["
"float idepthShaderPluginInterpolantFragment(float3 Pm, float4x4 worldViewProj) \n"
"{ \n"
" float4 pCamera = mul(float4(Pm, 1.0f), worldViewProj); \n"
" return (pCamera.z - pCamera.w*2.0f); \n"
"} \n]]>"
" </vertex_source>"
" </implementation>"
" <implementation render=\"OGSRenderer\" language=\"GLSL\" lang_version=\"3.0\">"
" <function_name val=\"depthShaderPluginInterpolantFragment\" />"
" <source><![CDATA["
"float depthShaderPluginInterpolantFragment(float depthValue) \n"
"{ \n"
" return depthValue; \n"
"} \n]]>"
" </source>"
" <vertex_source><![CDATA["
"float idepthShaderPluginInterpolantFragment(vec3 Pm, mat4 worldViewProj) \n"
"{ \n"
" vec4 pCamera = worldViewProj * vec4(Pm, 1.0f); \n"
" return (pCamera.z - pCamera.w*2.0f); \n"
"} \n]]>"
" </vertex_source>"
" </implementation>"
" </implementation>"
"</fragment>";
static const MString sFragmentGraphName("depthShaderPluginGraph");
static const char* sFragmentGraphBody =
"<fragment_graph name=\"depthShaderPluginGraph\" ref=\"depthShaderPluginGraph\" class=\"FragmentGraph\" version=\"1.0\">"
" <fragments>"
" <fragment_ref name=\"depthShaderPluginFragment\" ref=\"depthShaderPluginFragment\" />"
" <fragment_ref name=\"depthShaderPluginInterpolantFragment\" ref=\"depthShaderPluginInterpolantFragment\" />"
" </fragments>"
" <connections>"
" <connect from=\"depthShaderPluginInterpolantFragment.outDepthValue\" to=\"depthShaderPluginFragment.depthValue\" />"
" </connections>"
" <properties>"
" <float3 name=\"Pm\" ref=\"depthShaderPluginInterpolantFragment.Pm\" semantic=\"Pm\" flags=\"varyingInputParam\" />"
" <float4x4 name=\"worldViewProj\" ref=\"depthShaderPluginInterpolantFragment.worldViewProj\" semantic=\"worldviewprojection\" />"
" <float3 name=\"color\" ref=\"depthShaderPluginFragment.color\" />"
" <float3 name=\"colorFar\" ref=\"depthShaderPluginFragment.colorFar\" />"
" <float name=\"near\" ref=\"depthShaderPluginFragment.near\" />"
" <float name=\"far\" ref=\"depthShaderPluginFragment.far\" />"
" </properties>"
" <values>"
" <float3 name=\"color\" value=\"0.0,1.0,0.0\" />"
" <float3 name=\"colorFar\" value=\"0.0,0.0,1.0\" />"
" <float name=\"near\" value=\"0.0\" />"
" <float name=\"far\" value=\"2.0\" />"
" </values>"
" <outputs>"
" <float3 name=\"outColor\" ref=\"depthShaderPluginFragment.outColor\" />"
" </outputs>"
"</fragment_graph>";
// Register fragments with the manager if needed
MHWRender::MRenderer* theRenderer = MHWRender::MRenderer::theRenderer();
if (theRenderer)
{
MHWRender::MFragmentManager* fragmentMgr =
theRenderer->getFragmentManager();
if (fragmentMgr)
{
// Add fragments if needed
bool fragAdded = fragmentMgr->hasFragment(sFragmentName);
bool vertFragAdded = fragmentMgr->hasFragment(sVertexFragmentName);
bool graphAdded = fragmentMgr->hasFragment(sFragmentGraphName);
if (!fragAdded)
{
fragAdded = (sFragmentName == fragmentMgr->addShadeFragmentFromBuffer(sFragmentBody, false));
}
if (!vertFragAdded)
{
// In DirectX, need to specify a semantic for the output of the vertex shader
MString vertBody;
if (theRenderer->drawAPI() == MHWRender::kDirectX11)
{
vertBody.format(MString(sVertexFragmentBody), MString("semantic=\"extraDepth\" "));
}
else
{
vertBody.format(MString(sVertexFragmentBody), MString(" "));
}
vertFragAdded = (sVertexFragmentName == fragmentMgr->addShadeFragmentFromBuffer(vertBody.asChar(), false));
}
if (!graphAdded)
{
graphAdded = (sFragmentGraphName == fragmentMgr->addFragmentGraphFromBuffer(sFragmentGraphBody));
}
// If we have them all, use the final graph for the override
if (fragAdded && vertFragAdded && graphAdded)
{
fFragmentName = sFragmentGraphName;
}
}
}
}
MString hwApiTextureTestStrings::getString(const MStringResourceId &stringId, const MString& arg1, const MString& arg2)
{
MString string;
string.format( hwApiTextureTestStrings::getString( stringId ), arg1, arg2 );
return string;
}
//======================================================================
//
// Do the import in create mode. The metadata will be retrieved from the
// file or string and imported onto the selected object(s) presuming the
// specified format. Successful execution will see the imported metadata on
// the object(s), returning the names of the newly created or modified streams
// in the format OBJECT/CHANNEL_TYPE/STREAM
//
// The previously existing metadata is preserved for later undo.
//
MStatus importMetadataCmd::doCreate()
{
assert( fSerializer );
std::string errors;
Associations* associationsRead = (Associations*)0;
MStatus status;
if( fString.length() > 0 )
{
std::stringstream inStream( fString.asChar() );
associationsRead = fSerializer->read( inStream, errors );
if( ! associationsRead )
{
MString fmt = MStringResource::getString(kImportMetadataStringReadFailed, status);
MString msg;
MString err( errors.c_str() );
msg.format( fmt, err );
displayError(msg);
return MS::kFailure;
}
}
else if( fFile )
{
std::ifstream inStream( fFile->resolvedFullName().asChar() );
associationsRead = fSerializer->read( inStream, errors );
inStream.close();
if( ! associationsRead )
{
MString fmt = MStringResource::getString(kImportMetadataFileReadFailed, status);
MString msg;
MString err( errors.c_str() );
msg.format( fmt, fFile->resolvedFullName(), err );
displayError(msg);
return MS::kFailure;
}
}
else
{
// This isn't a recoverable error since this situation should have
// been reported in the arg checking. Just assert and fail
// immediately.
assert( fFile );
return MS::kFailure;
}
// Should have already handled this
assert( associationsRead );
MString resultFmt = MStringResource::getString(kImportMetadataResult, status);
for( unsigned int i=0; i<fObjects.length(); ++i )
{
MFnDependencyNode node( fObjects[i], &status );
// Should have filtered out non-objects already but check anyway
if( MS::kSuccess != status ) continue;
displayInfo( node.name(&status) );
fDGModifier.setMetadata( fObjects[i], *associationsRead );
if( MS::kSuccess == fDGModifier.doIt() )
{
for( unsigned int c=0; c<associationsRead->channelCount(); ++c )
{
adsk::Data::Channel channel = associationsRead->channelAt(c);
MString cName( channel.name().c_str() );
for( unsigned int s=0; s<channel.dataStreamCount(); ++s )
{
adsk::Data::Stream* cStream = channel.dataStream(s);
if( cStream )
{
MString sName( cStream->name().c_str() );
MString msg;
msg.format( resultFmt, node.name(), cName, sName );
appendToResult( msg );
}
}
}
}
else
{
MString fmt = MStringResource::getString(kImportMetadataSetMetadataFailed, status);
MString msg;
msg.format( fmt, node.name() );
displayError( msg );
status = MS::kFailure;
}
}
return status;
}
MStatus AbcExport::doIt(const MArgList & args)
{
try
{
MStatus status;
MTime oldCurTime = MAnimControl::currentTime();
MArgParser argData(syntax(), args, &status);
if (argData.isFlagSet("help"))
{
MGlobal::displayInfo(util::getHelpText());
return MS::kSuccess;
}
bool verbose = argData.isFlagSet("verbose");
// If skipFrame is true, when going through the playback range of the
// scene, as much frames are skipped when possible. This could cause
// a problem for, time dependent solutions like
// particle system / hair simulation
bool skipFrame = true;
if (argData.isFlagSet("dontSkipUnwrittenFrames"))
skipFrame = false;
double startEvaluationTime = DBL_MAX;
if (argData.isFlagSet("preRollStartFrame"))
{
double startAt = 0.0;
argData.getFlagArgument("preRollStartFrame", 0, startAt);
startEvaluationTime = startAt;
}
unsigned int jobSize = argData.numberOfFlagUses("jobArg");
if (jobSize == 0)
return status;
// the frame range we will be iterating over for all jobs,
// includes frames which are not skipped and the startAt offset
std::set<double> allFrameRange;
// this will eventually hold only the animated jobs.
// its a list because we will be removing jobs from it
std::list < AbcWriteJobPtr > jobList;
for (unsigned int jobIndex = 0; jobIndex < jobSize; jobIndex++)
{
JobArgs jobArgs;
MArgList jobArgList;
argData.getFlagArgumentList("jobArg", jobIndex, jobArgList);
MString jobArgsStr = jobArgList.asString(0);
MStringArray jobArgsArray;
{
// parse the job arguments
// e.g. -perFrameCallbackMel "print \"something\"" will be splitted to
// [0] -perFrameCallbackMel
// [1] print "something"
enum State {
kArgument, // parsing an argument (not quoted)
kDoubleQuotedString, // parsing a double quoted string
kSingleQuotedString, // parsing a single quoted string
};
State state = kArgument;
MString stringBuffer;
for (unsigned int charIdx = 0; charIdx < jobArgsStr.numChars();
charIdx++)
{
MString ch = jobArgsStr.substringW(charIdx, charIdx);
switch (state)
{
case kArgument:
if (ch == " ")
{
// space terminates the current argument
if (stringBuffer.length() > 0) {
jobArgsArray.append(stringBuffer);
stringBuffer.clear();
}
// goto another argument
state = kArgument;
}
else if (ch == "\"")
{
if (stringBuffer.length() > 0)
{
// double quote is part of the argument
stringBuffer += ch;
}
else
{
// goto double quoted string
state = kDoubleQuotedString;
}
}
else if (ch == "'")
{
if (stringBuffer.length() > 0)
{
// single quote is part of the argument
stringBuffer += ch;
}
else
{
// goto single quoted string
state = kSingleQuotedString;
}
}
else
{
stringBuffer += ch;
}
break;
case kDoubleQuotedString:
// double quote terminates the current string
if (ch == "\"")
{
jobArgsArray.append(stringBuffer);
stringBuffer.clear();
state = kArgument;
}
else if (ch == "\\")
{
// escaped character
MString nextCh = (++charIdx < jobArgsStr.numChars())
? jobArgsStr.substringW(charIdx, charIdx) : "\\";
if (nextCh == "n") stringBuffer += "\n";
else if (nextCh == "t") stringBuffer += "\t";
else if (nextCh == "r") stringBuffer += "\r";
else if (nextCh == "\\") stringBuffer += "\\";
else if (nextCh == "'") stringBuffer += "'";
else if (nextCh == "\"") stringBuffer += "\"";
else stringBuffer += nextCh;
}
else
{
stringBuffer += ch;
}
break;
case kSingleQuotedString:
// single quote terminates the current string
if (ch == "'")
{
jobArgsArray.append(stringBuffer);
stringBuffer.clear();
state = kArgument;
}
else if (ch == "\\")
{
// escaped character
MString nextCh = (++charIdx < jobArgsStr.numChars())
? jobArgsStr.substringW(charIdx, charIdx) : "\\";
if (nextCh == "n") stringBuffer += "\n";
else if (nextCh == "t") stringBuffer += "\t";
else if (nextCh == "r") stringBuffer += "\r";
else if (nextCh == "\\") stringBuffer += "\\";
else if (nextCh == "'") stringBuffer += "'";
else if (nextCh == "\"") stringBuffer += "\"";
else stringBuffer += nextCh;
}
else
{
stringBuffer += ch;
}
break;
}
}
// the rest of the argument
if (stringBuffer.length() > 0)
{
jobArgsArray.append(stringBuffer);
}
}
// the frame range within this job
std::vector< FrameRangeArgs > frameRanges(1);
frameRanges.back().startTime = oldCurTime.value();
frameRanges.back().endTime = oldCurTime.value();
frameRanges.back().strideTime = 1.0;
bool hasRange = false;
bool hasRoot = false;
bool sampleGeo = true; // whether or not to subsample geometry
std::string fileName;
bool asOgawa = true;
unsigned int numJobArgs = jobArgsArray.length();
for (unsigned int i = 0; i < numJobArgs; ++i)
{
MString arg = jobArgsArray[i];
arg.toLowerCase();
if (arg == "-f" || arg == "-file")
{
if (i+1 >= numJobArgs)
{
MGlobal::displayError("File incorrectly specified.");
return MS::kFailure;
}
fileName = jobArgsArray[++i].asChar();
}
else if (arg == "-fr" || arg == "-framerange")
{
if (i+2 >= numJobArgs || !jobArgsArray[i+1].isDouble() ||
!jobArgsArray[i+2].isDouble())
{
MGlobal::displayError("Frame Range incorrectly specified.");
return MS::kFailure;
}
// this is not the first -frameRange argument, we are going
// to add one more frame range to the frame range array.
if (hasRange)
{
frameRanges.push_back(FrameRangeArgs());
}
hasRange = true;
frameRanges.back().startTime = jobArgsArray[++i].asDouble();
frameRanges.back().endTime = jobArgsArray[++i].asDouble();
// make sure start frame is smaller or equal to endTime
if (frameRanges.back().startTime > frameRanges.back().endTime)
{
std::swap(frameRanges.back().startTime,
frameRanges.back().endTime);
}
}
else if (arg == "-frs" || arg == "-framerelativesample")
{
if (i+1 >= numJobArgs || !jobArgsArray[i+1].isDouble())
{
MGlobal::displayError(
"Frame Relative Sample incorrectly specified.");
return MS::kFailure;
}
frameRanges.back().shutterSamples.insert(
jobArgsArray[++i].asDouble());
}
else if (arg == "-nn" || arg == "-nonormals")
{
jobArgs.noNormals = true;
}
else if (arg == "-pr" || arg == "-preroll")
{
frameRanges.back().preRoll = true;
}
else if (arg == "-ro" || arg == "-renderableonly")
{
jobArgs.excludeInvisible = true;
}
else if (arg == "-s" || arg == "-step")
{
if (i+1 >= numJobArgs || !jobArgsArray[i+1].isDouble())
{
MGlobal::displayError("Step incorrectly specified.");
return MS::kFailure;
}
frameRanges.back().strideTime = jobArgsArray[++i].asDouble();
}
else if (arg == "-sl" || arg == "-selection")
{
jobArgs.useSelectionList = true;
}
else if (arg == "-sn" || arg == "-stripnamespaces")
{
if (i+1 >= numJobArgs || !jobArgsArray[i+1].isUnsigned())
{
// the strip all namespaces case
// so we pick a very LARGE number
jobArgs.stripNamespace = 0xffffffff;
}
else
{
jobArgs.stripNamespace = jobArgsArray[++i].asUnsigned();
}
}
else if (arg == "-uv" || arg == "-uvwrite")
{
jobArgs.writeUVs = true;
}
else if (arg == "-wcs" || arg == "-writecolorsets")
{
jobArgs.writeColorSets = true;
}
else if (arg == "-wfs" || arg == "-writefacesets")
{
jobArgs.writeFaceSets = true;
}
else if (arg == "-wfg" || arg == "-wholeframegeo")
{
sampleGeo = false;
}
else if (arg == "-ws" || arg == "-worldspace")
{
jobArgs.worldSpace = true;
}
else if (arg == "-wuvs" || arg == "-writeuvsets")
{
jobArgs.writeUVSets = true;
}
else if (arg == "-wv" || arg == "-writevisibility")
{
jobArgs.writeVisibility = true;
}
else if (arg == "-as" || arg == "-autosubd")
{
jobArgs.autoSubd = true;
}
else if (arg == "-mfc" || arg == "-melperframecallback")
{
if (i+1 >= numJobArgs)
{
MGlobal::displayError(
"melPerFrameCallback incorrectly specified.");
return MS::kFailure;
}
jobArgs.melPerFrameCallback = jobArgsArray[++i].asChar();
}
else if (arg == "-pfc" || arg == "-pythonperframecallback")
{
if (i+1 >= numJobArgs)
{
MGlobal::displayError(
"pythonPerFrameCallback incorrectly specified.");
return MS::kFailure;
}
jobArgs.pythonPerFrameCallback = jobArgsArray[++i].asChar();
}
else if (arg == "-mpc" || arg == "-melpostjobcallback")
{
if (i+1 >= numJobArgs)
{
MGlobal::displayError(
"melPostJobCallback incorrectly specified.");
return MS::kFailure;
}
jobArgs.melPostCallback = jobArgsArray[++i].asChar();
}
else if (arg == "-ppc" || arg == "-pythonpostjobcallback")
{
if (i+1 >= numJobArgs)
{
MGlobal::displayError(
"pythonPostJobCallback incorrectly specified.");
return MS::kFailure;
}
jobArgs.pythonPostCallback = jobArgsArray[++i].asChar();
}
// geomArbParams - attribute filtering stuff
else if (arg == "-atp" || arg == "-attrprefix")
{
if (i+1 >= numJobArgs)
{
MGlobal::displayError(
"attrPrefix incorrectly specified.");
return MS::kFailure;
}
jobArgs.prefixFilters.push_back(jobArgsArray[++i].asChar());
}
else if (arg == "-a" || arg == "-attr")
{
if (i+1 >= numJobArgs)
{
MGlobal::displayError(
"attr incorrectly specified.");
return MS::kFailure;
}
jobArgs.attribs.insert(jobArgsArray[++i].asChar());
}
// userProperties - attribute filtering stuff
else if (arg == "-uatp" || arg == "-userattrprefix")
{
if (i+1 >= numJobArgs)
{
MGlobal::displayError(
"userAttrPrefix incorrectly specified.");
return MS::kFailure;
}
jobArgs.userPrefixFilters.push_back(jobArgsArray[++i].asChar());
}
else if (arg == "-u" || arg == "-userattr")
{
if (i+1 >= numJobArgs)
{
MGlobal::displayError(
"userAttr incorrectly specified.");
return MS::kFailure;
}
jobArgs.userAttribs.insert(jobArgsArray[++i].asChar());
}
else if (arg == "-rt" || arg == "-root")
{
if (i+1 >= numJobArgs)
{
MGlobal::displayError(
"root incorrectly specified.");
return MS::kFailure;
}
hasRoot = true;
MString root = jobArgsArray[++i];
MSelectionList sel;
if (sel.add(root) != MS::kSuccess)
{
MString warn = root;
warn += " could not be select, skipping.";
MGlobal::displayWarning(warn);
continue;
}
unsigned int numRoots = sel.length();
for (unsigned int j = 0; j < numRoots; ++j)
{
MDagPath path;
if (sel.getDagPath(j, path) != MS::kSuccess)
{
MString warn = path.fullPathName();
warn += " (part of ";
warn += root;
warn += " ) not a DAG Node, skipping.";
MGlobal::displayWarning(warn);
continue;
}
jobArgs.dagPaths.insert(path);
}
}
else if (arg == "-ef" || arg == "-eulerfilter")
{
jobArgs.filterEulerRotations = true;
}
else if (arg == "-df" || arg == "-dataformat")
{
if (i+1 >= numJobArgs)
{
MGlobal::displayError(
"dataFormat incorrectly specified.");
return MS::kFailure;
}
MString dataFormat = jobArgsArray[++i];
dataFormat.toLowerCase();
if (dataFormat == "hdf")
{
asOgawa = false;
}
else if (dataFormat == "ogawa")
{
asOgawa = true;
}
}
else
{
MString warn = "Ignoring unsupported flag: ";
warn += jobArgsArray[i];
MGlobal::displayWarning(warn);
}
} // for i
if (fileName == "")
{
MString error = "-file not specified.";
MGlobal::displayError(error);
return MS::kFailure;
}
{
MString fileRule, expandName;
MString alembicFileRule = "alembicCache";
MString alembicFilePath = "cache/alembic";
MString queryFileRuleCmd;
queryFileRuleCmd.format("workspace -q -fre \"^1s\"",
alembicFileRule);
MString queryFolderCmd;
queryFolderCmd.format("workspace -en `workspace -q -fre \"^1s\"`",
alembicFileRule);
// query the file rule for alembic cache
MGlobal::executeCommand(queryFileRuleCmd, fileRule);
if (fileRule.length() > 0)
{
// we have alembic file rule, query the folder
MGlobal::executeCommand(queryFolderCmd, expandName);
}
else
{
// alembic file rule does not exist, create it
MString addFileRuleCmd;
addFileRuleCmd.format("workspace -fr \"^1s\" \"^2s\"",
alembicFileRule, alembicFilePath);
MGlobal::executeCommand(addFileRuleCmd);
// save the workspace. maya may discard file rules on exit
MGlobal::executeCommand("workspace -s");
// query the folder
MGlobal::executeCommand(queryFolderCmd, expandName);
}
// resolve the expanded file rule
if (expandName.length() == 0)
{
expandName = alembicFilePath;
}
// get the path to the alembic file rule
MFileObject directory;
directory.setRawFullName(expandName);
MString directoryName = directory.resolvedFullName();
// make sure the cache folder exists
if (!directory.exists())
{
// create the cache folder
MString createFolderCmd;
createFolderCmd.format("sysFile -md \"^1s\"", directoryName);
MGlobal::executeCommand(createFolderCmd);
}
// resolve the relative path
MFileObject absoluteFile;
absoluteFile.setRawFullName(fileName.c_str());
#if MAYA_API_VERSION < 201300
if (absoluteFile.resolvedFullName() !=
absoluteFile.expandedFullName())
{
#else
if (!MFileObject::isAbsolutePath(fileName.c_str())) {
#endif
// this is a relative path
MString absoluteFileName = directoryName + "/" +
fileName.c_str();
absoluteFile.setRawFullName(absoluteFileName);
fileName = absoluteFile.resolvedFullName().asChar();
}
else
{
fileName = absoluteFile.resolvedFullName().asChar();
}
// check the path must exist before writing
MFileObject absoluteFilePath;
absoluteFilePath.setRawFullName(absoluteFile.path());
if (!absoluteFilePath.exists()) {
MString error;
error.format("Path ^1s does not exist!", absoluteFilePath.resolvedFullName());
MGlobal::displayError(error);
return MS::kFailure;
}
// check the file is used by any AlembicNode in the scene
MItDependencyNodes dgIter(MFn::kPluginDependNode);
for (; !dgIter.isDone(); dgIter.next()) {
MFnDependencyNode alembicNode(dgIter.thisNode());
if (alembicNode.typeName() != "AlembicNode") {
continue;
}
MPlug abcFilePlug = alembicNode.findPlug("abc_File");
if (abcFilePlug.isNull()) {
continue;
}
MFileObject alembicFile;
alembicFile.setRawFullName(abcFilePlug.asString());
if (!alembicFile.exists()) {
continue;
}
if (alembicFile.resolvedFullName() == absoluteFile.resolvedFullName()) {
MString error = "Can't export to an Alembic file which is in use.";
MGlobal::displayError(error);
return MS::kFailure;
}
}
std::ofstream ofs(fileName.c_str());
if (!ofs.is_open()) {
MString error = MString("Can't write to file: ") + fileName.c_str();
MGlobal::displayError(error);
return MS::kFailure;
}
ofs.close();
}
// if -frameRelativeSample argument is not specified for a frame range,
// we are assuming a -frameRelativeSample 0.0
for (std::vector<FrameRangeArgs>::iterator range =
frameRanges.begin(); range != frameRanges.end(); ++range)
{
if (range->shutterSamples.empty())
range->shutterSamples.insert(0.0);
}
if (jobArgs.prefixFilters.empty())
{
jobArgs.prefixFilters.push_back("ABC_");
}
// the list of frame ranges for sampling
std::vector<FrameRangeArgs> sampleRanges;
std::vector<FrameRangeArgs> preRollRanges;
for (std::vector<FrameRangeArgs>::const_iterator range =
frameRanges.begin(); range != frameRanges.end(); ++range)
{
if (range->preRoll)
preRollRanges.push_back(*range);
else
sampleRanges.push_back(*range);
}
// the list of frames written into the abc file
std::set<double> geoSamples;
std::set<double> transSamples;
for (std::vector<FrameRangeArgs>::const_iterator range =
sampleRanges.begin(); range != sampleRanges.end(); ++range)
{
for (double frame = range->startTime;
frame <= range->endTime;
frame += range->strideTime)
{
for (std::set<double>::const_iterator shutter =
range->shutterSamples.begin();
shutter != range->shutterSamples.end(); ++shutter)
{
double curFrame = *shutter + frame;
if (!sampleGeo)
{
double intFrame = (double)(int)(
curFrame >= 0 ? curFrame + .5 : curFrame - .5);
// only insert samples that are close to being an integer
if (fabs(curFrame - intFrame) < 1e-4)
{
geoSamples.insert(curFrame);
}
}
else
{
geoSamples.insert(curFrame);
}
transSamples.insert(curFrame);
}
}
if (geoSamples.empty())
{
geoSamples.insert(range->startTime);
}
if (transSamples.empty())
{
transSamples.insert(range->startTime);
}
}
bool isAcyclic = false;
if (sampleRanges.empty())
{
// no frame ranges or all frame ranges are pre-roll ranges
hasRange = false;
geoSamples.insert(frameRanges.back().startTime);
transSamples.insert(frameRanges.back().startTime);
}
else
{
// check if the time range is even (cyclic)
// otherwise, we will use acyclic
// sub frames pattern
std::vector<double> pattern(
sampleRanges.begin()->shutterSamples.begin(),
sampleRanges.begin()->shutterSamples.end());
std::transform(pattern.begin(), pattern.end(), pattern.begin(),
std::bind2nd(std::plus<double>(),
sampleRanges.begin()->startTime));
// check the frames against the pattern
std::vector<double> timeSamples(
transSamples.begin(), transSamples.end());
for (size_t i = 0; i < timeSamples.size(); i++)
{
// next pattern
if (i % pattern.size() == 0 && i / pattern.size() > 0)
{
std::transform(pattern.begin(), pattern.end(),
pattern.begin(), std::bind2nd(std::plus<double>(),
sampleRanges.begin()->strideTime));
}
// pattern mismatch, we use acyclic time sampling type
if (timeSamples[i] != pattern[i % pattern.size()])
{
isAcyclic = true;
break;
}
}
}
// the list of frames to pre-roll
std::set<double> preRollSamples;
for (std::vector<FrameRangeArgs>::const_iterator range =
preRollRanges.begin(); range != preRollRanges.end(); ++range)
{
for (double frame = range->startTime;
frame <= range->endTime;
frame += range->strideTime)
{
for (std::set<double>::const_iterator shutter =
range->shutterSamples.begin();
shutter != range->shutterSamples.end(); ++shutter)
{
double curFrame = *shutter + frame;
preRollSamples.insert(curFrame);
}
}
if (preRollSamples.empty())
{
preRollSamples.insert(range->startTime);
}
}
if (jobArgs.dagPaths.size() > 1)
{
// check for validity of the DagPath relationships complexity : n^2
util::ShapeSet::const_iterator m, n;
util::ShapeSet::const_iterator end = jobArgs.dagPaths.end();
for (m = jobArgs.dagPaths.begin(); m != end; )
{
MDagPath path1 = *m;
m++;
for (n = m; n != end; n++)
{
MDagPath path2 = *n;
if (util::isAncestorDescendentRelationship(path1,path2))
{
MString errorMsg = path1.fullPathName();
errorMsg += " and ";
errorMsg += path2.fullPathName();
errorMsg += " have an ancestor relationship.";
MGlobal::displayError(errorMsg);
return MS::kFailure;
}
} // for n
} // for m
}
// no root is specified, and we aren't using a selection
// so we'll try to translate the whole Maya scene by using all
// children of the world as roots.
else if (!hasRoot && !jobArgs.useSelectionList)
{
MSelectionList sel;
#if MAYA_API_VERSION >= 201100
sel.add("|*", true);
#else
// older versions of Maya will not be able to find top level nodes
// within namespaces
sel.add("|*");
#endif
unsigned int numRoots = sel.length();
for (unsigned int i = 0; i < numRoots; ++i)
{
MDagPath path;
sel.getDagPath(i, path);
jobArgs.dagPaths.insert(path);
}
}
else if (hasRoot && jobArgs.dagPaths.empty())
{
MString errorMsg = "No valid root nodes were specified.";
MGlobal::displayError(errorMsg);
return MS::kFailure;
}
else if (jobArgs.useSelectionList)
{
MSelectionList activeList;
MGlobal::getActiveSelectionList(activeList);
if (activeList.length() == 0)
{
MString errorMsg =
"-selection specified but nothing is actively selected.";
MGlobal::displayError(errorMsg);
return MS::kFailure;
}
}
AbcA::TimeSamplingPtr transTime, geoTime;
if (hasRange)
{
if (isAcyclic)
{
// acyclic, uneven time sampling
// e.g. [0.8, 1, 1.2], [2.8, 3, 3.2], .. not continuous
// [0.8, 1, 1.2], [1.7, 2, 2.3], .. shutter different
std::vector<double> samples(
transSamples.begin(), transSamples.end());
std::transform(samples.begin(), samples.end(), samples.begin(),
std::bind2nd(std::multiplies<double>(), util::spf()));
transTime.reset(new AbcA::TimeSampling(AbcA::TimeSamplingType(
AbcA::TimeSamplingType::kAcyclic), samples));
}
else
{
// cyclic, even time sampling between time periods
// e.g. [0.8, 1, 1.2], [1.8, 2, 2.2], ...
std::vector<double> samples;
double startTime = sampleRanges[0].startTime;
double strideTime = sampleRanges[0].strideTime;
for (std::set<double>::const_iterator shutter =
sampleRanges[0].shutterSamples.begin();
shutter != sampleRanges[0].shutterSamples.end();
++shutter)
{
samples.push_back((startTime + *shutter) * util::spf());
}
if (samples.size() > 1)
{
Alembic::Util::uint32_t numSamples =
static_cast<Alembic::Util::uint32_t>(samples.size());
transTime.reset(
new AbcA::TimeSampling(AbcA::TimeSamplingType(
numSamples, strideTime * util::spf()), samples));
}
// uniform sampling
else
{
transTime.reset(new AbcA::TimeSampling(
strideTime * util::spf(), samples[0]));
}
}
}
else
{
// time ranges are not specified
transTime.reset(new AbcA::TimeSampling());
}
if (sampleGeo || !hasRange)
{
geoTime = transTime;
}
else
{
// sampling geo on whole frames
if (isAcyclic)
{
// acyclic, uneven time sampling
std::vector<double> samples(
geoSamples.begin(), geoSamples.end());
// one more sample for setup()
if (*transSamples.begin() != *geoSamples.begin())
samples.insert(samples.begin(), *transSamples.begin());
std::transform(samples.begin(), samples.end(), samples.begin(),
std::bind2nd(std::multiplies<double>(), util::spf()));
geoTime.reset(new AbcA::TimeSampling(AbcA::TimeSamplingType(
AbcA::TimeSamplingType::kAcyclic), samples));
}
else
{
double geoStride = sampleRanges[0].strideTime;
if (geoStride < 1.0)
geoStride = 1.0;
double geoStart = *geoSamples.begin() * util::spf();
geoTime.reset(new AbcA::TimeSampling(
geoStride * util::spf(), geoStart));
}
}
AbcWriteJobPtr job(new AbcWriteJob(fileName.c_str(), asOgawa,
transSamples, transTime, geoSamples, geoTime, jobArgs));
jobList.push_front(job);
// make sure we add additional whole frames, if we arent skipping
// the inbetween ones
if (!skipFrame && !allFrameRange.empty())
{
double localMin = *(transSamples.begin());
std::set<double>::iterator last = transSamples.end();
last--;
double localMax = *last;
double globalMin = *(allFrameRange.begin());
last = allFrameRange.end();
last--;
double globalMax = *last;
// if the min of our current frame range is beyond
// what we know about, pad a few more frames
if (localMin > globalMax)
{
for (double f = globalMax; f < localMin; f++)
{
allFrameRange.insert(f);
}
}
// if the max of our current frame range is beyond
// what we know about, pad a few more frames
if (localMax < globalMin)
{
for (double f = localMax; f < globalMin; f++)
{
allFrameRange.insert(f);
}
}
}
// right now we just copy over the translation samples since
// they are guaranteed to contain all the geometry samples
allFrameRange.insert(transSamples.begin(), transSamples.end());
// copy over the pre-roll samples
allFrameRange.insert(preRollSamples.begin(), preRollSamples.end());
}
// add extra evaluation run up, if necessary
if (startEvaluationTime != DBL_MAX && !allFrameRange.empty())
{
double firstFrame = *allFrameRange.begin();
for (double f = startEvaluationTime; f < firstFrame; ++f)
{
allFrameRange.insert(f);
}
}
std::set<double>::iterator it = allFrameRange.begin();
std::set<double>::iterator itEnd = allFrameRange.end();
MComputation computation;
computation.beginComputation();
// loop through every frame in the list, if a job has that frame in it's
// list of transform or shape frames, then it will write out data and
// call the perFrameCallback, if that frame is also the last one it has
// to work on then it will also call the postCallback.
// If it doesn't have this frame, then it does nothing
for (; it != itEnd; it++)
{
if (verbose)
{
double frame = *it;
MString info;
info = frame;
MGlobal::displayInfo(info);
}
MGlobal::viewFrame(*it);
std::list< AbcWriteJobPtr >::iterator j = jobList.begin();
std::list< AbcWriteJobPtr >::iterator jend = jobList.end();
while (j != jend)
{
if (computation.isInterruptRequested())
return MS::kFailure;
bool lastFrame = (*j)->eval(*it);
if (lastFrame)
{
j = jobList.erase(j);
}
else
j++;
}
}
computation.endComputation();
// set the time back
MGlobal::viewFrame(oldCurTime);
return MS::kSuccess;
}
catch (Alembic::Util::Exception & e)
{
MString theError("Alembic Exception encountered: ");
theError += e.what();
MGlobal::displayError(theError);
return MS::kFailure;
}
catch (std::exception & e)
{
MString theError("std::exception encountered: ");
theError += e.what();
MGlobal::displayError(theError);
return MS::kFailure;
}
}
MStatus initializePlugin(
MObject obj) {
MStatus status;
MFnPlugin plugin(obj, "Pixar", "1.0", "Any");
// we use lambdas to pass in MCreatorFunctions into the various Maya registration
// functions so that we can specify the static data that the registered
// shape/data/node should be using.
status = plugin.registerData(
_data.stageData.typeName,
_data.stageData.typeId,
[]() {
return UsdMayaStageData::creator(_data.stageData);
});
CHECK_MSTATUS(status);
status = plugin.registerShape(
_data.proxyShape.typeName,
_data.proxyShape.typeId,
[]() {
return UsdMayaProxyShape::creator(_data.proxyShape);
},
[]() {
return UsdMayaProxyShape::initialize(
&(_data.proxyShape));
},
UsdMayaProxyShapeUI::creator,
&UsdMayaProxyDrawOverride::sm_drawDbClassification);
CHECK_MSTATUS(status);
status = plugin.registerNode(
_data.referenceAssembly.typeName,
_data.referenceAssembly.typeId,
[]() {
return UsdMayaReferenceAssembly::creator(
_data.referenceAssembly);
},
[]() {
return UsdMayaReferenceAssembly::initialize(
&(_data.referenceAssembly));
},
MPxNode::kAssembly,
&UsdMayaReferenceAssembly::_classification);
CHECK_MSTATUS(status);
status =
MHWRender::MDrawRegistry::registerDrawOverrideCreator(
UsdMayaProxyDrawOverride::sm_drawDbClassification,
UsdMayaProxyDrawOverride::sm_drawRegistrantId,
UsdMayaProxyDrawOverride::Creator);
CHECK_MSTATUS(status);
status = MGlobal::sourceFile("usdMaya.mel");
CHECK_MSTATUS(status);
// Set the label for the assembly node type so that it appears correctly
// in the 'Create -> Scene Assembly' menu.
const MString assemblyTypeLabel("UsdReferenceAssembly");
MString setLabelCmd;
status = setLabelCmd.format("assembly -e -type ^1s -label ^2s",
_data.referenceAssembly.typeName,
assemblyTypeLabel);
CHECK_MSTATUS(status);
status = MGlobal::executeCommand(setLabelCmd);
CHECK_MSTATUS(status);
// Procs stored in usdMaya.mel
// Add assembly callbacks for accessing data without creating an MPxAssembly instance
status = MGlobal::executeCommand("assembly -e -repTypeLabelProc usdMaya_UsdMayaReferenceAssembly_repTypeLabel -type " + _data.referenceAssembly.typeName);
CHECK_MSTATUS(status);
status = MGlobal::executeCommand("assembly -e -listRepTypesProc usdMaya_UsdMayaReferenceAssembly_listRepTypes -type " + _data.referenceAssembly.typeName);
CHECK_MSTATUS(status);
// Attribute Editor Templates
// XXX: The try/except here is temporary until we change the Pixar-internal
// package name to match the external package name.
MString attribEditorCmd(
"try:\n"
" from pxr.UsdMaya import AEpxrUsdReferenceAssemblyTemplate\n"
"except ImportError:\n"
" from pixar.UsdMaya import AEpxrUsdReferenceAssemblyTemplate\n"
"AEpxrUsdReferenceAssemblyTemplate.addMelFunctionStubs()");
status = MGlobal::executePythonCommand(attribEditorCmd);
CHECK_MSTATUS(status);
status = plugin.registerCommand("usdExport",
usdExport::creator,
usdExport::createSyntax );
if (!status) {
status.perror("registerCommand usdExport");
}
status = plugin.registerCommand("usdImport",
[]() {
return usdImport::creator(_data.referenceAssembly.typeName.asChar(),
_data.proxyShape.typeName.asChar());
},
usdImport::createSyntax );
if (!status) {
status.perror("registerCommand usdImport");
}
status = plugin.registerCommand("usdListShadingModes",
usdListShadingModes::creator,
usdListShadingModes::createSyntax);
if (!status) {
status.perror("registerCommand usdListShadingModes");
}
status = plugin.registerFileTranslator("pxrUsdImport",
"",
[]() {
return usdTranslatorImport::creator(
_data.referenceAssembly.typeName.asChar(),
_data.proxyShape.typeName.asChar());
},
"usdTranslatorImport", // options script name
const_cast<char*>(usdTranslatorImportDefaults),
false);
if (!status) {
status.perror("pxrUsd: unable to register USD Import translator.");
}
status = plugin.registerFileTranslator("pxrUsdExport",
"",
usdTranslatorExport::creator,
"usdTranslatorExport", // options script name
const_cast<char*>(usdTranslatorExportDefaults),
true);
if (!status) {
status.perror("pxrUsd: unable to register USD Export translator.");
}
return status;
}
void MayaTransformWriter::write()
{
size_t numSamples = mAnimChanList.size();
if (numSamples > 0)
{
std::vector < AnimChan >::iterator it, itEnd;
for (it = mAnimChanList.begin(), itEnd = mAnimChanList.end();
it != itEnd; ++it)
{
double val = it->asDouble();
if (it->scale == -std::numeric_limits<double>::infinity())
val = util::inverseScale(val);
else if (it->scale != 1.0)
val *= it->scale;
mSample[it->opNum].setChannelValue(it->channelNum, val);
}
if (!mInheritsPlug.isNull())
{
mSample.setInheritsXforms(mInheritsPlug.asBool());
}
if (mFilterEulerRotations)
{
double xx(0), yy(0), zz(0);
if (getSampledRotation(mSample, mJointOrientOpIndex, xx, yy, zz))
{
MEulerRotation filteredEuler(xx, yy, zz, mPrevJointOrientSolution.order);
filteredEuler.setToClosestSolution(mPrevJointOrientSolution);
// update sample with new solution
setSampledRotation(mSample, mJointOrientOpIndex, filteredEuler.x, filteredEuler.y, filteredEuler.z);
mPrevJointOrientSolution = filteredEuler;
}
if (getSampledRotation(mSample, mRotateOpIndex, xx, yy, zz))
{
MEulerRotation filteredEuler(xx, yy, zz, mPrevRotateSolution.order);
filteredEuler.setToClosestSolution(mPrevRotateSolution);
#ifdef _DEBUG
if (mVerbose)
{
MString str;
MStringArray args(7,"");
unsigned int i = 0;
i=0;
args[i++] = mName;
args[i++].set(mPrevRotateSolution[0]);
args[i++].set(mPrevRotateSolution[1]);
args[i++].set(mPrevRotateSolution[2]);
args[i++].set(Alembic::AbcGeom::RadiansToDegrees(mPrevRotateSolution[0]));
args[i++].set(Alembic::AbcGeom::RadiansToDegrees(mPrevRotateSolution[1]));
args[i++].set(Alembic::AbcGeom::RadiansToDegrees(mPrevRotateSolution[2]));
str.format("^1s: previous rotation radians(^2s, ^3s, ^4s) degrees(^5s, ^6s, ^7s)",args);
MGlobal::displayInfo( str );
MEulerRotation currentEuler(xx, yy, zz, mPrevRotateSolution.order);
i=0;
args[i++] = mName;
args[i++].set(currentEuler[0]);
args[i++].set(currentEuler[1]);
args[i++].set(currentEuler[2]);
args[i++].set(Alembic::AbcGeom::RadiansToDegrees(currentEuler[0]));
args[i++].set(Alembic::AbcGeom::RadiansToDegrees(currentEuler[1]));
args[i++].set(Alembic::AbcGeom::RadiansToDegrees(currentEuler[2]));
str.format("^1s: current rotation radians(^2s, ^3s, ^4s) degrees(^5s, ^6s, ^7s)",args);
MGlobal::displayInfo( str );
i=0;
args[i++] = mName;
args[i++].set(filteredEuler[0]);
args[i++].set(filteredEuler[1]);
args[i++].set(filteredEuler[2]);
args[i++].set(Alembic::AbcGeom::RadiansToDegrees(filteredEuler[0]));
args[i++].set(Alembic::AbcGeom::RadiansToDegrees(filteredEuler[1]));
args[i++].set(Alembic::AbcGeom::RadiansToDegrees(filteredEuler[2]));
str.format("^1s: filtered rotation radians(^2s, ^3s, ^4s) degrees(^5s, ^6s, ^7s)",args);
MGlobal::displayInfo( str );
}
#endif
// update sample with new solution
setSampledRotation(mSample, mRotateOpIndex, filteredEuler.x, filteredEuler.y, filteredEuler.z);
mPrevRotateSolution = filteredEuler;
}
if (getSampledRotation(mSample, mRotateAxisOpIndex, xx, yy, zz))
{
MEulerRotation filteredEuler(xx, yy, zz, mPrevRotateAxisSolution.order);
filteredEuler.setToClosestSolution(mPrevRotateAxisSolution);
// update sample with new solution
setSampledRotation(mSample, mRotateAxisOpIndex, filteredEuler.x, filteredEuler.y, filteredEuler.z);
mPrevRotateAxisSolution = filteredEuler;
}
}
mSchema.set(mSample);
}
}
MStatus AdskSceneMetadataCmd::setMetadata( MString scenePath )
{
// This string gets populated with errors by the Metadata library when they occur
std::string errors;
// Retrieve the accessor
std::auto_ptr< Accessor > accessor( getAccessorForScene( scenePath ) );
if ( NULL == accessor.get() )
{
setResult( false );
return MS::kFailure;
}
// Retrieve the accessor
Associations associations;
if ( MS::kSuccess != getSceneAssociations(*(accessor.get()), associations) )
{
setResult( false );
return MS::kFailure;
}
// Is our structure registered yet?
Structure *structure = NULL;
for ( Structure::ListIterator itrStructList = Structure::allStructures().begin(); itrStructList != Structure::allStructures().end(); ++itrStructList )
{
if ( std::string((*itrStructList)->name()) == std::string(gStructureName) )
{
structure = *itrStructList;
break;
}
}
if ( NULL == structure )
{
// Register our structure since it is not registered yet.
structure = Structure::create();
structure->setName( gStructureName );
structure->addMember( Member::kString, 1, gMemberName );
Structure::registerStructure( *structure );
}
// Make sure our structure is known by the accessor
const Accessor::StructureSet &accessorStructures = accessor->structures();
if ( accessorStructures.find( structure ) == accessorStructures.end() )
{
// Build a new structure set from the existing one
Accessor::StructureSet updatedStructures = accessorStructures;
// Add our structure to it
updatedStructures.insert( structure );
// Assign the new structure set
accessor->setStructures( updatedStructures );
}
// Retrieve or create the specified channel
std::string channelName( fChannelName.arg().asChar() );
Channel channel = associations.channel( channelName );
// Create the stream
Stream stream( *structure, std::string( gStreamName ) );
// Set the stream in the channel
channel.setDataStream( stream );
// Create an handle to the data itself
Handle handle( *structure );
// Set our string
std::string dataString( fData.arg().asChar() );
if ( 0 != handle.fromStr( dataString, 0, errors ) )
{
MStatus resStatus;
MString errorString = MStringResource::getString( rSetDataOnChannelError, resStatus );
errorString.format( errorString, fChannelName.arg(), errors.c_str() );
displayError( errorString );
setResult( false );
return MS::kFailure;
}
// Set the handle in the stream
stream.setElement( 0, handle );
// Write the new scene file metadata
if ( !accessor->write( errors ) )
{
MStatus resStatus;
MString errorString = MStringResource::getString( rWriteMetadataError, resStatus );
displayError( errorString );
setResult( false );
return MS::kFailure;
}
// true is success;
setResult( true );
return MS::kSuccess;
}
MStatus AdskSceneMetadataCmd::getMetadata( MString scenePath )
{
// This string gets populated with errors by the Metadata library when they occur
std::string errors;
// Retrieve the accessor
std::auto_ptr< Accessor > accessor( getAccessorForScene( scenePath ) );
if ( NULL == accessor.get() )
{
return MS::kFailure;
}
// Retrieve the scene associations
Associations associations;
if ( MS::kSuccess != getSceneAssociations(*(accessor.get()), associations) )
{
return MS::kFailure;
}
// Look for the specified channel
std::string channelName( fChannelName.arg().asChar() );
Channel *channel = associations.findChannel( channelName );
if ( NULL == channel )
{
// The specified channel was not found in the metadata.
// There is simply no metadata of interest in that scene file
setResult( "" );
return MS::kSuccess;
}
// There should only be one stream in our metadata. Make sure there is at least one
if ( 0 == channel->dataStreamCount() )
{
MStatus resStatus;
MString errorString = MStringResource::getString( rMissingStreamInChannelError, resStatus );
errorString.format( errorString, fChannelName.arg() );
displayError( errorString );
return MS::kFailure;
}
Stream *stream = channel->dataStream( 0 );
// There should only be one element in the stream. Make sure there is at least one
if ( 0 == stream->elementCount() )
{
MStatus resStatus;
MString errorString = MStringResource::getString( rMissingElementInStreamError, resStatus );
errorString.format( errorString, fChannelName.arg() );
displayError( errorString );
return MS::kFailure;
}
Handle handle = stream->element( 0 );
// Position the handle on our data of interest
if ( false == handle.setPositionByMemberName( gMemberName ) )
{
MStatus resStatus;
MString errorString = MStringResource::getString( rMissingMemberInElementError, resStatus );
errorString.format( errorString, gMemberName, fChannelName.arg() );
displayError( errorString );
return MS::kFailure;
}
if ( Member::kString != handle.dataType() )
{
MStatus resStatus;
MString errorString = MStringResource::getString( rInvalidMemberDataTypeError, resStatus );
errorString.format( errorString, fChannelName.arg() );
displayError( errorString );
return MS::kFailure;
}
char **strings = handle.asString();
setResult( strings[0] );
return MS::kSuccess;
}
MayaMeshWriter::MayaMeshWriter(MDagPath & iDag,
Alembic::Abc::OObject & iParent, Alembic::Util::uint32_t iTimeIndex,
const JobArgs & iArgs, GetMembersMap& gmMap, util::InstanceRecorder& instanceRecorder)
: mNoNormals(iArgs.noNormals),
mWriteUVs(iArgs.writeUVs),
mWriteColorSets(iArgs.writeColorSets),
mIsGeometryAnimated(false),
mDagPath(iDag)
{
MStatus status = MS::kSuccess;
MFnMesh lMesh( mDagPath, &status );
if ( !status )
{
MGlobal::displayError( "MFnMesh() failed for MayaMeshWriter" );
}
// intermediate objects aren't translated
MObject surface = iDag.node();
if (iTimeIndex != 0 && util::isAnimated(surface))
mIsGeometryAnimated = true;
std::vector<float> uvs;
std::vector<Alembic::Util::uint32_t> indices;
MString name = lMesh.name();
name = util::stripNamespaces(name, iArgs.stripNamespace);
// check to see if this poly has been tagged as a SubD
MPlug plug = lMesh.findPlug("SubDivisionMesh");
if ( !plug.isNull() && plug.asBool() )
{
Alembic::AbcGeom::OSubD obj(iParent, name.asChar(), iTimeIndex);
instanceRecorder.recordMaster(iDag,obj);
mSubDSchema = obj.getSchema();
Alembic::AbcGeom::OV2fGeomParam::Sample uvSamp;
if ( mWriteUVs )
{
getUVs(uvs, indices);
if (!uvs.empty())
{
uvSamp.setScope( Alembic::AbcGeom::kFacevaryingScope );
uvSamp.setVals(Alembic::AbcGeom::V2fArraySample(
(const Imath::V2f *) &uvs.front(), uvs.size() / 2));
if (!indices.empty())
{
uvSamp.setIndices(Alembic::Abc::UInt32ArraySample(
&indices.front(), indices.size()));
}
}
}
Alembic::Abc::OCompoundProperty cp;
Alembic::Abc::OCompoundProperty up;
if (AttributesWriter::hasAnyAttr(lMesh, iArgs))
{
cp = mSubDSchema.getArbGeomParams();
up = mSubDSchema.getUserProperties();
}
mAttrs = AttributesWriterPtr(new AttributesWriter(cp, up, obj, lMesh,
iTimeIndex, iArgs));
writeSubD(uvSamp);
}
else
{
Alembic::AbcGeom::OPolyMesh obj(iParent, name.asChar(), iTimeIndex);
instanceRecorder.recordMaster(iDag,obj);
mPolySchema = obj.getSchema();
Alembic::AbcGeom::OV2fGeomParam::Sample uvSamp;
if ( mWriteUVs )
{
getUVs(uvs, indices);
if (!uvs.empty())
{
uvSamp.setScope( Alembic::AbcGeom::kFacevaryingScope );
uvSamp.setVals(Alembic::AbcGeom::V2fArraySample(
(const Imath::V2f *) &uvs.front(), uvs.size() / 2));
if (!indices.empty())
{
uvSamp.setIndices(Alembic::Abc::UInt32ArraySample(
&indices.front(), indices.size()));
}
}
}
Alembic::Abc::OCompoundProperty cp;
Alembic::Abc::OCompoundProperty up;
if (AttributesWriter::hasAnyAttr(lMesh, iArgs))
{
cp = mPolySchema.getArbGeomParams();
up = mPolySchema.getUserProperties();
}
// set the rest of the props and write to the writer node
mAttrs = AttributesWriterPtr(new AttributesWriter(cp, up, obj, lMesh,
iTimeIndex, iArgs));
writePoly(uvSamp);
}
if (mWriteColorSets)
{
MStringArray colorSetNames;
lMesh.getColorSetNames(colorSetNames);
if (colorSetNames.length() > 0)
{
// Create the color sets compound prop
Alembic::Abc::OCompoundProperty arbParams;
if (mPolySchema)
{
arbParams = mPolySchema.getArbGeomParams();
}
else
{
arbParams = mSubDSchema.getArbGeomParams();
}
std::string currentColorSet = lMesh.currentColorSetName().asChar();
for (unsigned int i=0; i < colorSetNames.length(); ++i)
{
// Create an array property for each color set
std::string colorSetPropName = colorSetNames[i].asChar();
Alembic::AbcCoreAbstract::MetaData md;
if (currentColorSet == colorSetPropName)
{
md.set("mayaColorSet", "1");
}
else
{
md.set("mayaColorSet", "0");
}
if (lMesh.getColorRepresentation(colorSetNames[i]) ==
MFnMesh::kRGB)
{
Alembic::AbcGeom::OC3fGeomParam colorProp(arbParams,
colorSetPropName, true,
Alembic::AbcGeom::kFacevaryingScope, 1, iTimeIndex, md);
mRGBParams.push_back(colorProp);
}
else
{
Alembic::AbcGeom::OC4fGeomParam colorProp(arbParams,
colorSetPropName, true,
Alembic::AbcGeom::kFacevaryingScope, 1, iTimeIndex, md);
mRGBAParams.push_back(colorProp);
}
}
writeColor();
}
}
// write out facesets
if(!iArgs.writeFaceSets)
return;
// get the connected shading engines
MObjectArray connSGObjs (getOutConnectedSG(mDagPath));
const unsigned int sgCount = connSGObjs.length();
for (unsigned int i = 0; i < sgCount; ++i)
{
MObject connSGObj, compObj;
connSGObj = connSGObjs[i];
MFnDependencyNode fnDepNode(connSGObj);
MString connSgObjName = fnDepNode.name();
// retrive the component MObject
status = getSetComponents(mDagPath, connSGObj, gmMap, compObj);
if (status != MS::kSuccess)
{
MFnDependencyNode fnDepNode(connSGObj);
MString message;
message.format("Could not retrive face indices from set ^1s.", connSgObjName);
MGlobal::displayError(message);
continue;
}
// retrieve the face indices
MIntArray indices;
MFnSingleIndexedComponent compFn;
compFn.setObject(compObj);
compFn.getElements(indices);
const unsigned int numData = indices.length();
// encountered the whole object mapping. skip it.
if (numData == 0)
continue;
std::vector<Alembic::Util::int32_t> faceIndices(numData);
for (unsigned int j = 0; j < numData; ++j)
{
faceIndices[j] = indices[j];
}
connSgObjName = util::stripNamespaces(connSgObjName,
iArgs.stripNamespace);
Alembic::AbcGeom::OFaceSet faceSet;
std::string faceSetName(connSgObjName.asChar());
if (mPolySchema)
{
if (mPolySchema.hasFaceSet(faceSetName))
{
faceSet = mPolySchema.getFaceSet(faceSetName);
}
else
{
faceSet = mPolySchema.createFaceSet(faceSetName);
}
}
else
{
if (mSubDSchema.hasFaceSet(faceSetName))
{
faceSet = mSubDSchema.getFaceSet(faceSetName);
}
else
{
faceSet = mSubDSchema.createFaceSet(faceSetName);
}
}
Alembic::AbcGeom::OFaceSetSchema::Sample samp;
samp.setFaces(Alembic::Abc::Int32ArraySample(faceIndices));
Alembic::AbcGeom::OFaceSetSchema faceSetSchema = faceSet.getSchema();
faceSetSchema.set(samp);
faceSetSchema.setFaceExclusivity(Alembic::AbcGeom::kFaceSetExclusive);
MFnDependencyNode iNode(connSGObj);
Alembic::Abc::OCompoundProperty cp;
Alembic::Abc::OCompoundProperty up;
if (AttributesWriter::hasAnyAttr(iNode, iArgs))
{
cp = faceSetSchema.getArbGeomParams();
up = faceSetSchema.getUserProperties();
}
AttributesWriter attrWriter(cp, up, faceSet, iNode, iTimeIndex, iArgs);
attrWriter.write();
}
}
MStatus closestPointOnCurveCommand::redoIt()
{
// DOUBLE-CHECK TO MAKE SURE THERE'S A SPECIFIED OBJECT TO EVALUATE ON:
if (sList.length() == 0)
{
MStatus stat;
MString msg = MStringResource::getString(kNoValidObject, stat);
displayError(msg);
return MStatus::kFailure;
}
// RETRIEVE THE SPECIFIED OBJECT AS A DAGPATH:
MDagPath curveDagPath;
sList.getDagPath(0, curveDagPath);
// CHECK FOR INVALID NODE-TYPE INPUT WHEN SPECIFIED/SELECTED NODE IS *NOT* A "CURVE" NOR "CURVE TRANSFORM":
if (!curveDagPath.node().hasFn(MFn::kNurbsCurve) && !(curveDagPath.node().hasFn(MFn::kTransform) && curveDagPath.hasFn(MFn::kNurbsCurve)))
{
MStatus stat;
MString msg;
// Use format to place variable string into message
MString msgFmt = MStringResource::getString(kInvalidType, stat);
MStringArray selectionStrings;
sList.getSelectionStrings(0, selectionStrings);
msg.format(msgFmt, selectionStrings[0]);
displayError(msg);
return MStatus::kFailure;
}
// WHEN COMMAND *NOT* IN "QUERY MODE" (I.E. "CREATION MODE"), CREATE AND CONNECT A "closestPointOnCurve" NODE AND RETURN ITS NODE NAME:
if (!queryFlagSet)
{
// CREATE THE NODE:
MFnDependencyNode depNodeFn;
if (closestPointOnCurveNodeName == "")
depNodeFn.create("closestPointOnCurve");
else
depNodeFn.create("closestPointOnCurve", closestPointOnCurveNodeName);
closestPointOnCurveNodeName = depNodeFn.name();
// SET THE ".inPosition" ATTRIBUTE, IF SPECIFIED IN THE COMMAND:
if (inPositionFlagSet)
{
MPlug inPositionXPlug = depNodeFn.findPlug("inPositionX");
inPositionXPlug.setValue(inPosition.x);
MPlug inPositionYPlug = depNodeFn.findPlug("inPositionY");
inPositionYPlug.setValue(inPosition.y);
MPlug inPositionZPlug = depNodeFn.findPlug("inPositionZ");
inPositionZPlug.setValue(inPosition.z);
}
// MAKE SOME ADJUSTMENTS WHEN THE SPECIFIED NODE IS A "TRANSFORM" OF A CURVE SHAPE:
unsigned instanceNumber=0;
if (curveDagPath.node().hasFn(MFn::kTransform))
{
// EXTEND THE DAGPATH TO ITS CURVE "SHAPE" NODE:
curveDagPath.extendToShape();
// TRANSFORMS ARE *NOT* NECESSARILY THE "FIRST" INSTANCE TRANSFORM OF A CURVE SHAPE:
instanceNumber = curveDagPath.instanceNumber();
}
// CONNECT THE NODES:
MPlug worldCurvePlug, inCurvePlug;
inCurvePlug = depNodeFn.findPlug("inCurve");
depNodeFn.setObject(curveDagPath.node());
worldCurvePlug = depNodeFn.findPlug("worldSpace");
worldCurvePlug = worldCurvePlug.elementByLogicalIndex(instanceNumber);
MDGModifier dgModifier;
dgModifier.connect(worldCurvePlug, inCurvePlug);
dgModifier.doIt();
// SET COMMAND RESULT TO BE NEW NODE'S NAME, AND RETURN:
setResult(closestPointOnCurveNodeName);
return MStatus::kSuccess;
}
// OTHERWISE, WE'RE IN THE COMMAND'S "QUERY MODE":
else
{
// COMPUTE THE CLOSEST POSITION, NORMAL, TANGENT, PARAMETER-U AND DISTANCE, USING THE *FIRST* INSTANCE TRANSFORM WHEN CURVE IS SPECIFIED AS A "SHAPE":
MPoint position;
MVector normal, tangent;
double paramU, distance;
closestTangentUAndDistance(curveDagPath, inPosition, position, normal, tangent, paramU, distance);
// WHEN NO QUERYABLE FLAG IS SPECIFIED, INDICATE AN ERROR:
if (!positionFlagSet && !normalFlagSet && !tangentFlagSet && !paramUFlagSet && !distanceFlagSet)
{
MStatus stat;
MString msg = MStringResource::getString(kNoQueryFlag, stat);
displayError(msg);
return MStatus::kFailure;
}
// WHEN JUST THE "DISTANCE" IS QUERIED, RETURN A SINGLE "FLOAT" INSTEAD OF AN ENTIRE FLOAT ARRAY FROM THE COMMAND:
else if (distanceFlagSet && !(positionFlagSet || normalFlagSet || tangentFlagSet || paramUFlagSet))
setResult(distance);
// WHEN JUST THE "PARAMETER-U" IS QUERIED, RETURN A SINGLE "FLOAT" INSTEAD OF AN ENTIRE FLOAT ARRAY FROM THE COMMAND:
else if (paramUFlagSet && !(positionFlagSet || normalFlagSet || tangentFlagSet || distanceFlagSet))
setResult(paramU);
// OTHERWISE, SET THE RETURN VALUE OF THE COMMAND'S RESULT TO A "COMPOSITE ARRAY OF FLOATS":
else
{
// HOLDS FLOAT ARRAY RESULT:
MDoubleArray floatArrayResult;
// APPEND THE RESULTS OF THE CLOSEST POSITION, NORMAL, TANGENT, PARAMETER-U AND DISTANCE VALUES TO THE FLOAT ARRAY RESULT:
if (positionFlagSet)
{
floatArrayResult.append(position.x);
floatArrayResult.append(position.y);
floatArrayResult.append(position.z);
}
if (normalFlagSet)
{
floatArrayResult.append(normal.x);
floatArrayResult.append(normal.y);
floatArrayResult.append(normal.z);
}
if (tangentFlagSet)
{
floatArrayResult.append(tangent.x);
floatArrayResult.append(tangent.y);
floatArrayResult.append(tangent.z);
}
if (paramUFlagSet)
floatArrayResult.append(paramU);
if (distanceFlagSet)
floatArrayResult.append(distance);
// FINALLY, SET THE COMMAND'S RESULT:
setResult(floatArrayResult);
}
return MStatus::kSuccess;
}
}