/*
* get maya poly mesh data
*/
bool liqRibMeshData::getMayaData( MObject mesh, bool useNormals )
{
bool ret = true;
// LIQDEBUGPRINTF( "-> mesh getMayaData (useNormals = %s )\n", ( ( useNormals )? "Yes" : "No" ) );
MFnMesh fnMesh( mesh );
objDagPath = fnMesh.dagPath();
MStatus astatus;
name = fnMesh.name();
longName = fnMesh.fullPathName();
numPoints = fnMesh.numVertices();
numFaces = fnMesh.numPolygons();
if ( useNormals ) numNormals = fnMesh.numNormals();
if ( numPoints < 1 )
{
liquidMessage( "Could not export degenerate mesh " + longName, messageInfo );
return false;
}
// UV sets -------------------
//
//const unsigned numSTs( fnMesh.numUVs() );
const unsigned numUVSets( fnMesh.numUVSets() );
MString currentUVSetName;
fnMesh.getCurrentUVSetName( currentUVSetName );
MStringArray extraUVSetNames;
MStringArray UVSetNames;
fnMesh.getUVSetNames( UVSetNames );
for ( unsigned i( 0 ); i < numUVSets ; i++ )
if ( UVSetNames[i] != currentUVSetName )
extraUVSetNames.append( UVSetNames[i] );
const unsigned numFaceVertices( fnMesh.numFaceVertices() );
unsigned face ( 0 );
unsigned faceVertex ( 0 );
unsigned count;
unsigned vertex;
unsigned normal;
float S;
float T;
MPoint point;
liqTokenPointer pointsPointerPair;
liqTokenPointer normalsPointerPair;
liqTokenPointer pFaceVertexSPointer;
liqTokenPointer pFaceVertexTPointer;
// Allocate memory and tokens
nverts = shared_array< RtInt >( new RtInt[ numFaces ] );
verts = shared_array< RtInt >( new RtInt[ numFaceVertices ] );
pointsPointerPair.set( "P", rPoint, numPoints );
pointsPointerPair.setDetailType( rVertex );
if ( useNormals )
{
if ( numNormals == numPoints )
{
normalsPointerPair.set( "N", rNormal, numPoints );
normalsPointerPair.setDetailType( rVertex );
}
else
{
normalsPointerPair.set( "N", rNormal, numFaceVertices );
normalsPointerPair.setDetailType( rFaceVarying );
}
}
// uv
std::vector<liqTokenPointer> UVSetsArray;
UVSetsArray.reserve( 1 + extraUVSetNames.length() );
liqTokenPointer currentUVSetUPtr;
liqTokenPointer currentUVSetVPtr;
liqTokenPointer currentUVSetNamePtr;
liqTokenPointer extraUVSetsUPtr;
liqTokenPointer extraUVSetsVPtr;
liqTokenPointer extraUVSetsNamePtr;
if ( liqglo_outputMeshAsRMSArrays )
{
currentUVSetUPtr.set( "s", rFloat, numFaceVertices );
currentUVSetUPtr.setDetailType( rFaceVarying );
currentUVSetVPtr.set( "t", rFloat, numFaceVertices );
currentUVSetVPtr.setDetailType( rFaceVarying );
currentUVSetNamePtr.set( "currentUVSet", rString, 1 );
currentUVSetNamePtr.setDetailType( rConstant );
if ( numUVSets > 1 )
{
extraUVSetsUPtr.set( "u_uvSet", rFloat, numFaceVertices, numUVSets-1 );
extraUVSetsUPtr.setDetailType( rFaceVarying );
extraUVSetsVPtr.set( "v_uvSet", rFloat, numFaceVertices, numUVSets-1 );
extraUVSetsVPtr.setDetailType( rFaceVarying );
extraUVSetsNamePtr.set( "extraUVSets", rString, numUVSets-1 );
extraUVSetsNamePtr.setDetailType( rConstant );
}
}
else
{
if ( numUVSets > 0 )
{
liqTokenPointer pFaceVertexPointerPair;
pFaceVertexPointerPair.set( "st", rFloat, numFaceVertices, 2 );
pFaceVertexPointerPair.setDetailType( rFaceVarying );
UVSetsArray.push_back( pFaceVertexPointerPair );
for ( unsigned j( 0 ); j < extraUVSetNames.length() ; j++ )
{
liqTokenPointer pFaceVertexPointerPair;
pFaceVertexPointerPair.set( extraUVSetNames[j].asChar(), rFloat, numFaceVertices, 2 );
pFaceVertexPointerPair.setDetailType( rFaceVarying );
UVSetsArray.push_back( pFaceVertexPointerPair );
}
if ( liqglo_outputMeshUVs )
{
// Match MTOR, which also outputs face-varying STs as well for some reason - Paul
// not anymore - Philippe
pFaceVertexSPointer.set( "u", rFloat, numFaceVertices );
pFaceVertexSPointer.setDetailType( rFaceVarying );
pFaceVertexTPointer.set( "v", rFloat, numFaceVertices );
pFaceVertexTPointer.setDetailType( rFaceVarying );
}
}
}
vertexParam = pointsPointerPair.getTokenFloatArray();
MFloatVectorArray normals;
// Read the mesh normals from Maya
if ( useNormals )
{
normalParam = normalsPointerPair.getTokenFloatArray();
fnMesh.getNormals( normals );
}
for ( MItMeshPolygon polyIt ( mesh ); polyIt.isDone() == false ; polyIt.next() )
{
count = polyIt.polygonVertexCount();
nverts[face] = count;
unsigned j, i = count;
// printf("poly count = %d\n", count );
while ( i )
{
--i;
vertex = polyIt.vertexIndex( i );
verts[faceVertex] = vertex;
point = polyIt.point( i, MSpace::kObject );
pointsPointerPair.setTokenFloat( vertex, point.x, point.y, point.z );
if ( useNormals )
{
normal = polyIt.normalIndex( i );
if ( numNormals == numPoints )
normalsPointerPair.setTokenFloat( vertex, normals[normal].x, normals[normal].y, normals[normal].z );
else
normalsPointerPair.setTokenFloat( faceVertex, normals[normal].x, normals[normal].y, normals[normal].z );
}
if ( liqglo_outputMeshAsRMSArrays )
{
for ( j = 0 ; j < numUVSets ; j++ )
{
if ( j == 0)
{
MString uvSetName = currentUVSetName;
// set uvSet name
currentUVSetNamePtr.setTokenString( 0, currentUVSetName.asChar() );
// set uv values
fnMesh.getPolygonUV( face, i, S, T, &uvSetName );
currentUVSetUPtr.setTokenFloat( faceVertex, S );
currentUVSetVPtr.setTokenFloat( faceVertex, 1-T );
}
else
{
MString uvSetName = extraUVSetNames[j-1];
// set uvSet name
extraUVSetsNamePtr.setTokenString( j-1, extraUVSetNames[j-1].asChar() );
// set uv values
fnMesh.getPolygonUV( face, i, S, T, &uvSetName );
extraUVSetsUPtr.setTokenFloat( (numFaceVertices*(j-1)) + faceVertex, S );
extraUVSetsVPtr.setTokenFloat( (numFaceVertices*(j-1)) + faceVertex, 1-T );
}
}
}
else
{
if ( numUVSets )
{
for( j = 0; j < numUVSets; j++ )
{
MString uvSetName = ( j == 0 )? currentUVSetName: extraUVSetNames[ j - 1 ] ;
fnMesh.getPolygonUV( face, i, S, T, &uvSetName );
UVSetsArray[j].setTokenFloat( faceVertex, 0, S );
UVSetsArray[j].setTokenFloat( faceVertex, 1, 1 - T );
//printf("V%d %s : %f %f => %f %f \n", i, uvSetName.asChar(), S, T, S, 1-T);
if ( liqglo_outputMeshUVs && j==0)
{
// Match MTOR, which always outputs face-varying STs as well for some reason - Paul
pFaceVertexSPointer.setTokenFloat( faceVertex, S );
pFaceVertexTPointer.setTokenFloat( faceVertex, 1 - T );
}
}
}
}
++faceVertex;
}
++face;
}
// Add tokens to array and clean up after
tokenPointerArray.push_back( pointsPointerPair );
if ( useNormals )
tokenPointerArray.push_back( normalsPointerPair );
if ( liqglo_outputMeshAsRMSArrays )
{
tokenPointerArray.push_back( currentUVSetNamePtr );
tokenPointerArray.push_back( currentUVSetUPtr );
tokenPointerArray.push_back( currentUVSetVPtr );
if ( numUVSets > 1 )
{
tokenPointerArray.push_back( extraUVSetsNamePtr );
tokenPointerArray.push_back( extraUVSetsUPtr );
tokenPointerArray.push_back( extraUVSetsVPtr );
}
}
else
{
if ( UVSetsArray.size() )
tokenPointerArray.insert( tokenPointerArray.end(), UVSetsArray.begin(), UVSetsArray.end() );
if ( liqglo_outputMeshUVs )
{
tokenPointerArray.push_back( pFaceVertexSPointer );
tokenPointerArray.push_back( pFaceVertexTPointer );
}
}
return ret;
}
/** Create a RIB compatible representation of a Maya polygon mesh.
*/
liqRibMeshData::liqRibMeshData( MObject mesh )
: numFaces( 0 ),
numPoints ( 0 ),
numNormals ( 0 ),
nverts(),
verts(),
vertexParam(NULL),
normalParam(NULL)
{
CM_TRACE_FUNC("liqRibMeshData::liqRibMeshData("<<MFnDagNode(mesh).fullPathName().asChar()<<")");
unsigned int i;
unsigned int j;
areaLight = false;
LIQDEBUGPRINTF( "-> creating mesh\n" );
MFnMesh fnMesh( mesh );
objDagPath = fnMesh.dagPath();
MStatus astatus;
name = fnMesh.name();
areaLight =( liquidGetPlugValue( fnMesh, "areaIntensity", areaIntensity, astatus ) == MS::kSuccess )? true : false ;
if ( areaLight )
{
MDagPath meshDagPath;
meshDagPath = fnMesh.dagPath();
MTransformationMatrix worldMatrix = meshDagPath.inclusiveMatrix();
MMatrix worldMatrixM = worldMatrix.asMatrix();
worldMatrixM.get( transformationMatrix );
}
numPoints = fnMesh.numVertices();
numNormals = fnMesh.numNormals();
// UV sets -------------------
//
//const unsigned numSTs( fnMesh.numUVs() );
const unsigned numUVSets( fnMesh.numUVSets() );
MString currentUVSetName;
MStringArray extraUVSetNames;
fnMesh.getCurrentUVSetName( currentUVSetName );
{
MStringArray UVSetNames;
fnMesh.getUVSetNames( UVSetNames );
for ( unsigned i( 0 ); i<numUVSets; i++ )
if ( UVSetNames[i] != currentUVSetName )
extraUVSetNames.append( UVSetNames[i] );
}
numFaces = fnMesh.numPolygons();
const unsigned numFaceVertices( fnMesh.numFaceVertices() );
if ( numPoints < 1 )
{
// MGlobal::displayInfo( MString( "fnMesh: " ) + fnMesh.name() );
// cerr << "Liquid : Could not export degenerate mesh '"<< fnMesh.fullPathName( &astatus ).asChar() << "'" << endl << flush;
return;
}
unsigned face = 0;
unsigned faceVertex = 0;
unsigned count;
unsigned vertex;
unsigned normal;
float S;
float T;
MPoint point;
liqTokenPointer pointsPointerPair;
liqTokenPointer normalsPointerPair;
liqTokenPointer pFaceVertexSPointer;
liqTokenPointer pFaceVertexTPointer;
// Allocate memory and tokens
numFaces = numFaces;
nverts = shared_array< liqInt >( new liqInt[ numFaces ] );
verts = shared_array< liqInt >( new liqInt[ numFaceVertices ] );
pointsPointerPair.set( "P", rPoint, numPoints );
pointsPointerPair.setDetailType( rVertex );
if ( numNormals == numPoints )
{
normalsPointerPair.set( "N", rNormal, numPoints );
normalsPointerPair.setDetailType( rVertex );
}
else
{
normalsPointerPair.set( "N", rNormal, numFaceVertices );
normalsPointerPair.setDetailType( rFaceVarying );
}
// uv
std::vector<liqTokenPointer> UVSetsArray;
UVSetsArray.reserve( 1 + extraUVSetNames.length() );
liqTokenPointer currentUVSetUPtr;
liqTokenPointer currentUVSetVPtr;
liqTokenPointer currentUVSetNamePtr;
liqTokenPointer extraUVSetsUPtr;
liqTokenPointer extraUVSetsVPtr;
liqTokenPointer extraUVSetsNamePtr;
if(liqglo.liqglo_outputMeshAsRMSArrays)
{
currentUVSetUPtr.set( "s", rFloat, numFaceVertices );
currentUVSetUPtr.setDetailType( rFaceVarying );
currentUVSetVPtr.set( "t", rFloat, numFaceVertices );
currentUVSetVPtr.setDetailType( rFaceVarying );
currentUVSetNamePtr.set( "currentUVSet", rString, 1 );
currentUVSetNamePtr.setDetailType( rConstant );
if( numUVSets > 1 )
{
extraUVSetsUPtr.set( "u_uvSet", rFloat, numFaceVertices, numUVSets-1 );
extraUVSetsUPtr.setDetailType( rFaceVarying );
extraUVSetsVPtr.set( "v_uvSet", rFloat, numFaceVertices, numUVSets-1 );
extraUVSetsVPtr.setDetailType( rFaceVarying );
extraUVSetsNamePtr.set( "extraUVSets", rString, numUVSets-1 );
extraUVSetsNamePtr.setDetailType( rConstant );
}
}
else
{
if ( numUVSets > 0 )
{
liqTokenPointer pFaceVertexPointerPair;
pFaceVertexPointerPair.set( "st", rFloat, numFaceVertices, 2 );
pFaceVertexPointerPair.setDetailType( rFaceVarying );
UVSetsArray.push_back( pFaceVertexPointerPair );
for ( unsigned j( 0 ); j<extraUVSetNames.length(); j++)
{
liqTokenPointer pFaceVertexPointerPair;
pFaceVertexPointerPair.set( extraUVSetNames[j].asChar(), rFloat, numFaceVertices, 2 );
pFaceVertexPointerPair.setDetailType( rFaceVarying );
UVSetsArray.push_back( pFaceVertexPointerPair );
}
if( liqglo.liqglo_outputMeshUVs )
{
// Match MTOR, which also outputs face-varying STs as well for some reason - Paul
// not anymore - Philippe
pFaceVertexSPointer.set( "u", rFloat, numFaceVertices );
pFaceVertexSPointer.setDetailType( rFaceVarying );
pFaceVertexTPointer.set( "v", rFloat, numFaceVertices );
pFaceVertexTPointer.setDetailType( rFaceVarying );
}
}
}
vertexParam = pointsPointerPair.getTokenFloatArray();
normalParam = normalsPointerPair.getTokenFloatArray();
// Read the mesh from Maya
MFloatVectorArray normals;
fnMesh.getNormals( normals );
for ( MItMeshPolygon polyIt ( mesh ); polyIt.isDone() == false; polyIt.next() )
{
count = polyIt.polygonVertexCount();
nverts[face] = count;
for( i=0; i<count; i++ ) // boucle sur les vertex de la face
{
vertex = polyIt.vertexIndex( i );
verts[faceVertex] = vertex;
point = polyIt.point( i, MSpace::kObject );
pointsPointerPair.setTokenFloat( vertex, point.x, point.y, point.z );
normal = polyIt.normalIndex( i );
if( numNormals == numPoints )
normalsPointerPair.setTokenFloat( vertex, normals[normal].x, normals[normal].y, normals[normal].z );
else
normalsPointerPair.setTokenFloat( faceVertex, normals[normal].x, normals[normal].y, normals[normal].z );
if( liqglo.liqglo_outputMeshAsRMSArrays )
{
for( j=0; j<numUVSets; j++ )
{
if(j==0)
{
MString uvSetName = currentUVSetName;
// set uvSet name
currentUVSetNamePtr.setTokenString( 0, currentUVSetName.asChar() );
// set uv values
fnMesh.getPolygonUV( face, i, S, T, &uvSetName );
currentUVSetUPtr.setTokenFloat( faceVertex, S );
currentUVSetVPtr.setTokenFloat( faceVertex, 1-T );
}
else
{
MString uvSetName = extraUVSetNames[j-1];
// set uvSet name
extraUVSetsNamePtr.setTokenString( j-1, extraUVSetNames[j-1].asChar() );
// set uv values
fnMesh.getPolygonUV( face, i, S, T, &uvSetName );
extraUVSetsUPtr.setTokenFloat( (numFaceVertices*(j-1)) + faceVertex, S );
extraUVSetsVPtr.setTokenFloat( (numFaceVertices*(j-1)) + faceVertex, 1-T );
}
}
}
else
{
if ( numUVSets )
{
for( j=0; j<numUVSets; j++ )
{
MString uvSetName;
if(j==0)
{
uvSetName = currentUVSetName;
}
else
{
uvSetName = extraUVSetNames[j-1];
}
fnMesh.getPolygonUV( face, i, S, T, &uvSetName );
UVSetsArray[j].setTokenFloat( faceVertex, 0, S );
UVSetsArray[j].setTokenFloat( faceVertex, 1, 1-T );
//printf("V%d %s : %f %f => %f %f \n", i, uvSetName.asChar(), S, T, S, 1-T);
if( liqglo.liqglo_outputMeshUVs && j==0)
{
// Match MTOR, which always outputs face-varying STs as well for some reason - Paul
pFaceVertexSPointer.setTokenFloat( faceVertex, S );
pFaceVertexTPointer.setTokenFloat( faceVertex, 1-T );
}
}
}
}
// printf( "[%d] faceVertex = %d vertex = %d\n", i, faceVertex, vertex );
++faceVertex;
}
++face;
}
// Add tokens to array and clean up after
tokenPointerArray.push_back( pointsPointerPair );
tokenPointerArray.push_back( normalsPointerPair );
if(liqglo.liqglo_outputMeshAsRMSArrays)
{
tokenPointerArray.push_back( currentUVSetNamePtr );
tokenPointerArray.push_back( currentUVSetUPtr );
tokenPointerArray.push_back( currentUVSetVPtr );
if( numUVSets > 1 )
{
tokenPointerArray.push_back( extraUVSetsNamePtr );
tokenPointerArray.push_back( extraUVSetsUPtr );
tokenPointerArray.push_back( extraUVSetsVPtr );
}
}
else
{
if( UVSetsArray.size() )
tokenPointerArray.insert( tokenPointerArray.end(), UVSetsArray.begin(), UVSetsArray.end() );
if( liqglo.liqglo_outputMeshUVs )
{
tokenPointerArray.push_back( pFaceVertexSPointer );
tokenPointerArray.push_back( pFaceVertexTPointer );
}
}
addAdditionalSurfaceParameters( mesh );
}
/** Create a RIB compatible subdivision surface representation using a Maya polygon mesh.
*/
liqRibSubdivisionData::liqRibSubdivisionData( MObject mesh )
: numFaces( 0 ),
numPoints ( 0 ),
nverts(),
verts(),
vertexParam( NULL ),
interpolateBoundary( 0 ),
uvDetail( rFaceVarying ),
trueFacevarying( false )
{
CM_TRACE_FUNC("liqRibSubdivisionData::liqRibSubdivisionData("<<MFnDagNode(mesh).fullPathName()<<")");
LIQDEBUGPRINTF( "-> creating subdivision surface\n" );
MFnMesh fnMesh( mesh );
name = fnMesh.name();
longName = fnMesh.fullPathName();
checkExtraTags( mesh );
numPoints = fnMesh.numVertices();
// UV sets -----------------
//
const unsigned numSTs = fnMesh.numUVs();
const unsigned numUVSets = fnMesh.numUVSets();
MString currentUVSetName;
MStringArray extraUVSetNames;
fnMesh.getCurrentUVSetName( currentUVSetName );
MStringArray UVSetNames;
fnMesh.getUVSetNames( UVSetNames );
for ( unsigned i( 0 ); i < numUVSets; i++ )
if( UVSetNames[i] != currentUVSetName )
extraUVSetNames.append( UVSetNames[i] );
numFaces = fnMesh.numPolygons();
const unsigned numFaceVertices( fnMesh.numFaceVertices() );
unsigned face( 0 );
unsigned faceVertex( 0 );
unsigned count;
unsigned vertex;
float S;
float T;
MPoint point;
liqTokenPointer pointsPointerPair;
liqTokenPointer pFaceVertexSPointer;
liqTokenPointer pFaceVertexTPointer;
// Allocate memory and tokens
nverts = shared_array< RtInt >( new RtInt[ numFaces ] );
verts = shared_array< RtInt >( new RtInt[ numFaceVertices ] );
pointsPointerPair.set( "P", rPoint, numPoints );
pointsPointerPair.setDetailType( rVertex );
std::vector<liqTokenPointer> UVSetsArray;
UVSetsArray.reserve( 1 + extraUVSetNames.length() );
if( numSTs > 0 )
{
liqTokenPointer pFaceVertexPointerPair;
pFaceVertexPointerPair.set( "st", rFloat, numFaceVertices, 2 );
pFaceVertexPointerPair.setDetailType( uvDetail );
UVSetsArray.push_back( pFaceVertexPointerPair );
for ( unsigned j( 0 ); j<extraUVSetNames.length(); j++)
{
liqTokenPointer pFaceVertexPointerPair;
pFaceVertexPointerPair.set( extraUVSetNames[j].asChar(), rFloat, numFaceVertices, 2 );
pFaceVertexPointerPair.setDetailType( uvDetail );
UVSetsArray.push_back( pFaceVertexPointerPair );
}
if( liqglo.liqglo_outputMeshUVs )
{
// Match MTOR, which also outputs face-varying STs as well for some reason - Paul
// not anymore - Philippe
pFaceVertexSPointer.set( "u", rFloat, numFaceVertices );
pFaceVertexSPointer.setDetailType( uvDetail );
pFaceVertexTPointer.set( "v", rFloat, numFaceVertices );
pFaceVertexTPointer.setDetailType( uvDetail );
}
}
vertexParam = pointsPointerPair.getTokenFloatArray();
// Read the mesh from Maya
for ( MItMeshPolygon polyIt ( mesh ); polyIt.isDone() == false; polyIt.next() )
{
count = polyIt.polygonVertexCount();
nverts[face] = count;
unsigned i = count;
while( i )
{
--i;
vertex = polyIt.vertexIndex( i );
verts[faceVertex] = vertex;
point = polyIt.point( i, MSpace::kObject );
pointsPointerPair.setTokenFloat( vertex, point.x, point.y, point.z );
if( UVSetsArray.size() )
{
fnMesh.getPolygonUV( face, i, S, T );
UVSetsArray[0].setTokenFloat( faceVertex, 0, S );
UVSetsArray[0].setTokenFloat( faceVertex, 1, 1 - T );
for ( unsigned j( 1 ); j<=extraUVSetNames.length(); j++ )
{
fnMesh.getPolygonUV( face, i, S, T, &extraUVSetNames[j] );
UVSetsArray[j].setTokenFloat( faceVertex, 0, S );
UVSetsArray[j].setTokenFloat( faceVertex, 1, 1 - T );
}
if( liqglo.liqglo_outputMeshUVs )
{
// Match MTOR, which always outputs face-varying STs as well for some reason - Paul
pFaceVertexSPointer.setTokenFloat( faceVertex, S );
pFaceVertexTPointer.setTokenFloat( faceVertex, 1 - T );
}
}
++faceVertex;
}
++face;
}
// Add tokens to array and clean up after
tokenPointerArray.push_back( pointsPointerPair );
if( UVSetsArray.size() )
tokenPointerArray.insert( tokenPointerArray.end(), UVSetsArray.begin(), UVSetsArray.end() );
if( liqglo.liqglo_outputMeshUVs )
{
assert( !pFaceVertexSPointer );
tokenPointerArray.push_back( pFaceVertexSPointer );
assert( !pFaceVertexTPointer );
tokenPointerArray.push_back( pFaceVertexTPointer );
}
addAdditionalSurfaceParameters( mesh );
}
